From 3073403f5899492a5352f4af7634a57bbe9a17bd Mon Sep 17 00:00:00 2001
From: Nico <Nico>
Date: Thu, 1 Jan 2026 22:55:39 -0800
Subject: [PATCH 1/7] wip

---
 .copilotignore                                |  91 +++
 .github/copilot-instructions.md               | 197 ++++++
 IMAGE_STORAGE_IMPLEMENTATION.md               | 110 +++
 backend/controllers/lists.controller.js       |  32 +-
 backend/middleware/image.js                   |  48 ++
 backend/migrations/add_image_columns.sql      |  20 +
 backend/models/list.model.js                  |  62 +-
 backend/package-lock.json                     | 636 +++++++++++++++++-
 backend/package.json                          |   4 +-
 backend/routes/list.routes.js                 |   4 +-
 dev-rebuild.sh                                |   8 +
 docker-compose.dev.yml                        |   8 +-
 frontend/src/api/list.js                      |  34 +-
 frontend/src/components/AddImageModal.jsx     |  99 +++
 frontend/src/components/AddItemForm.jsx       |  60 ++
 frontend/src/components/ConfirmBuyModal.jsx   |  67 ++
 frontend/src/components/ErrorMessage.jsx      |   7 +
 .../src/components/FloatingActionButton.jsx   |   7 +
 frontend/src/components/FormInput.jsx         |  21 +
 frontend/src/components/GroceryListItem.jsx   | 100 +++
 frontend/src/components/ImageModal.jsx        |  27 +
 frontend/src/components/ImageUploadModal.jsx  | 102 +++
 frontend/src/components/SimilarItemModal.jsx  |  29 +
 frontend/src/components/SortDropdown.jsx      |  10 +
 frontend/src/components/UserRoleCard.jsx      |  21 +
 frontend/src/pages/AdminPanel.jsx             |  28 +-
 frontend/src/pages/GroceryList.jsx            | 281 +++++---
 frontend/src/pages/Login.jsx                  |  29 +-
 frontend/src/pages/Register.jsx               |  44 +-
 frontend/src/styles/AddImageModal.css         | 176 +++++
 frontend/src/styles/ConfirmBuyModal.css       | 158 +++++
 frontend/src/styles/GroceryList.css           | 150 ++++-
 frontend/src/styles/ImageModal.css            |  99 +++
 frontend/src/styles/ImageUploadModal.css      | 203 ++++++
 frontend/src/styles/Login.css                 |  34 +
 frontend/src/styles/SimilarItemModal.css      | 115 ++++
 frontend/src/styles/UserRoleCard.css          |  40 ++
 frontend/src/utils/stringSimilarity.js        |  68 ++
 package-lock.json                             |   9 +-
 39 files changed, 3043 insertions(+), 195 deletions(-)
 create mode 100644 .copilotignore
 create mode 100644 .github/copilot-instructions.md
 create mode 100644 IMAGE_STORAGE_IMPLEMENTATION.md
 create mode 100644 backend/middleware/image.js
 create mode 100644 backend/migrations/add_image_columns.sql
 create mode 100644 dev-rebuild.sh
 create mode 100644 frontend/src/components/AddImageModal.jsx
 create mode 100644 frontend/src/components/AddItemForm.jsx
 create mode 100644 frontend/src/components/ConfirmBuyModal.jsx
 create mode 100644 frontend/src/components/ErrorMessage.jsx
 create mode 100644 frontend/src/components/FloatingActionButton.jsx
 create mode 100644 frontend/src/components/FormInput.jsx
 create mode 100644 frontend/src/components/GroceryListItem.jsx
 create mode 100644 frontend/src/components/ImageModal.jsx
 create mode 100644 frontend/src/components/ImageUploadModal.jsx
 create mode 100644 frontend/src/components/SimilarItemModal.jsx
 create mode 100644 frontend/src/components/SortDropdown.jsx
 create mode 100644 frontend/src/components/UserRoleCard.jsx
 create mode 100644 frontend/src/styles/AddImageModal.css
 create mode 100644 frontend/src/styles/ConfirmBuyModal.css
 create mode 100644 frontend/src/styles/ImageModal.css
 create mode 100644 frontend/src/styles/ImageUploadModal.css
 create mode 100644 frontend/src/styles/SimilarItemModal.css
 create mode 100644 frontend/src/styles/UserRoleCard.css
 create mode 100644 frontend/src/utils/stringSimilarity.js

diff --git a/.copilotignore b/.copilotignore
new file mode 100644
index 0000000..ec6897f
--- /dev/null
+++ b/.copilotignore
@@ -0,0 +1,91 @@
+# Environment files
+.env
+.env.*
+.env.local
+.env.development
+.env.production
+.env.test
+
+# Dependencies
+node_modules/
+vendor/
+bower_components/
+
+# Build outputs
+dist/
+build/
+.next/
+out/
+.nuxt/
+.cache/
+.parcel-cache/
+.vite/
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# Database files
+*.sqlite
+*.sqlite3
+*.db
+
+# Secrets and credentials
+*.key
+*.pem
+*.cert
+*.crt
+secrets.json
+credentials.json
+
+# Coverage reports
+coverage/
+.nyc_output/
+*.lcov
+
+# Test artifacts
+__tests__/__snapshots__/
+.pytest_cache/
+.jest/
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# CI/CD workflows
+.github/workflows/
+.gitea/workflows/
+
+# Compiled files
+*.pyc
+*.pyo
+*.pyd
+__pycache__/
+*.so
+*.dll
+*.dylib
+*.exe
+
+# Package manager files
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
+
+# Docker
+docker-compose.override.yml
+
+# Large data files
+*.csv
+*.xlsx
+*.zip
+*.tar.gz
+*.rar
diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
new file mode 100644
index 0000000..996b319
--- /dev/null
+++ b/.github/copilot-instructions.md
@@ -0,0 +1,197 @@
+# Costco Grocery List - AI Agent Instructions
+
+## Architecture Overview
+
+This is a full-stack grocery list management app with **role-based access control (RBAC)**:
+- **Backend**: Node.js + Express + PostgreSQL (port 5000)
+- **Frontend**: React 19 + TypeScript + Vite (port 3000/5173)
+- **Deployment**: Docker Compose with separate dev/prod configurations
+
+### Key Design Patterns
+
+**Three-tier RBAC system** (`viewer`, `editor`, `admin`):
+- `viewer`: Read-only access to grocery lists
+- `editor`: Can add items and mark as bought
+- `admin`: Full user management via admin panel
+- Roles defined in [backend/models/user.model.js](backend/models/user.model.js) and mirrored in [frontend/src/constants/roles.js](frontend/src/constants/roles.js)
+
+**Middleware chain pattern** for protected routes:
+```javascript
+router.post("/add", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), controller.addItem);
+```
+- `auth` middleware extracts JWT from `Authorization: Bearer <token>` header
+- `requireRole` checks if user's role matches allowed roles
+- See [backend/routes/list.routes.js](backend/routes/list.routes.js) for examples
+
+**Frontend route protection**:
+- `<PrivateRoute>`: Requires authentication, redirects to `/login` if no token
+- `<RoleGuard allowed={[ROLES.ADMIN]}>`: Requires specific role(s), redirects to `/` if unauthorized
+- Example in [frontend/src/App.jsx](frontend/src/App.jsx)
+
+## Database Schema
+
+**PostgreSQL server runs externally** - not in Docker Compose. Connection configured in [backend/.env](backend/.env) via standard environment variables.
+
+**Tables** (inferred from models, no formal migrations):
+- **users**: `id`, `username`, `password` (bcrypt hashed), `name`, `role`
+- **grocery_list**: `id`, `item_name`, `quantity`, `bought`, `added_by`
+- **grocery_history**: Junction table tracking which users added which items
+
+**Important patterns**:
+- No migration system - schema changes are manual SQL
+- Items use case-insensitive matching (`ILIKE`) to prevent duplicates
+- JOINs with `ARRAY_AGG` for multi-contributor queries (see [backend/models/list.model.js](backend/models/list.model.js))
+
+## Development Workflow
+
+### Local Development
+```bash
+# Start all services with hot-reload against LOCAL database
+docker-compose -f docker-compose.dev.yml up
+
+# Backend runs nodemon (watches backend/*.js)
+# Frontend runs Vite dev server with HMR on port 3000
+```
+
+**Key dev setup details**:
+- Volume mounts preserve `node_modules` in containers while syncing source code
+- Backend uses `Dockerfile` (standard) with `npm run dev` override
+- Frontend uses `Dockerfile.dev` with `CHOKIDAR_USEPOLLING=true` for file watching
+- Both connect to **external PostgreSQL server** (configured in `backend/.env`)
+- No database container in compose - DB is managed separately
+
+### Production Build
+```bash
+# Local production build (for testing)
+docker-compose -f docker-compose.prod.yml up --build
+
+# Actual production uses pre-built images
+docker-compose up  # Pulls from private registry
+```
+
+### CI/CD Pipeline (Gitea Actions)
+
+See [.gitea/workflows/deploy.yml](.gitea/workflows/deploy.yml) for full workflow:
+
+**Build stage** (on push to `main`):
+1. Run backend tests (`npm test --if-present`)
+2. Build backend image with tags: `:latest` and `:<commit-sha>`
+3. Build frontend image with tags: `:latest` and `:<commit-sha>`
+4. Push both images to private registry
+
+**Deploy stage**:
+1. SSH to production server
+2. Upload `docker-compose.yml` to deployment directory
+3. Pull latest images and restart containers with `docker compose up -d`
+4. Prune old images
+
+**Notify stage**:
+- Sends deployment status via webhook
+
+**Required secrets**:
+- `REGISTRY_USER`, `REGISTRY_PASS`: Docker registry credentials
+- `DEPLOY_HOST`, `DEPLOY_USER`, `DEPLOY_KEY`: SSH deployment credentials
+
+### Backend Scripts
+- `npm run dev`: Start with nodemon
+- `npm run build`: esbuild compilation + copy public assets to `dist/`
+- `npm test`: Run Jest tests (currently no tests exist)
+
+### Frontend Scripts
+- `npm run dev`: Vite dev server (port 5173)
+- `npm run build`: TypeScript compilation + Vite production build
+
+### Docker Configurations
+
+**docker-compose.yml** (production):
+- Pulls pre-built images from private registry
+- Backend on port 5000, frontend on port 3000 (nginx serves on port 80)
+- Requires `backend.env` and `frontend.env` files
+
+**docker-compose.dev.yml** (local development):
+- Builds images locally from Dockerfile/Dockerfile.dev
+- Volume mounts for hot-reload: `./backend:/app` and `./frontend:/app`
+- Named volumes preserve `node_modules` between rebuilds
+- Backend uses `backend/.env` directly
+- Frontend uses `Dockerfile.dev` with polling enabled for cross-platform compatibility
+
+**docker-compose.prod.yml** (local production testing):
+- Builds images locally using production Dockerfiles
+- Backend: Standard Node.js server
+- Frontend: Multi-stage build with nginx serving static files
+
+## Configuration & Environment
+
+**Backend** ([backend/.env](backend/.env)):
+- Database connection variables (host, user, password, database name)
+- `JWT_SECRET`: Token signing key
+- `ALLOWED_ORIGINS`: Comma-separated CORS whitelist (supports static origins + `192.168.*.*` IP ranges)
+- `PORT`: Server port (default 5000)
+
+**Frontend** (environment variables):
+- `VITE_API_URL`: Backend base URL
+
+**Config accessed via**:
+- Backend: `process.env.VAR_NAME`
+- Frontend: `import.meta.env.VITE_VAR_NAME` (see [frontend/src/config.ts](frontend/src/config.ts))
+
+## Authentication Flow
+
+1. User logs in → backend returns `{token, role, username}` ([backend/controllers/auth.controller.js](backend/controllers/auth.controller.js))
+2. Frontend stores in `localStorage` and `AuthContext` ([frontend/src/context/AuthContext.jsx](frontend/src/context/AuthContext.jsx))
+3. Axios interceptor auto-attaches `Authorization: Bearer <token>` header ([frontend/src/api/axios.js](frontend/src/api/axios.js))
+4. Backend validates JWT on protected routes ([backend/middleware/auth.js](backend/middleware/auth.js))
+5. On 401 "Invalid or expired token" response, frontend clears storage and redirects to login
+
+## Critical Conventions
+
+### Security Practices
+- **Never expose credentials**: Do not hardcode or document actual values for `JWT_SECRET`, database passwords, API keys, or any sensitive configuration
+- **No infrastructure details**: Avoid documenting specific IP addresses, domain names, deployment paths, or server locations in code or documentation
+- **Environment variables**: Reference `.env` files conceptually - never include actual contents
+- **Secrets in CI/CD**: Document that secrets are required, not their values
+- **Code review**: Scan all changes for accidentally committed credentials before pushing
+
+### Backend
+- **No SQL injection**: Always use parameterized queries (`$1`, `$2`, etc.) with [backend/db/pool.js](backend/db/pool.js)
+- **Password hashing**: Use `bcryptjs` for hashing (see [backend/controllers/auth.controller.js](backend/controllers/auth.controller.js))
+- **CORS**: Dynamic origin validation in [backend/app.js](backend/app.js) allows configured origins + local IPs
+- **Error responses**: Return JSON with `{message: "..."}` structure
+
+### Frontend
+- **Mixed JSX/TSX**: Some components are `.jsx` (JavaScript), others `.tsx` (TypeScript) - maintain existing file extensions
+- **API calls**: Use centralized `api` instance from [frontend/src/api/axios.js](frontend/src/api/axios.js), not raw axios
+- **Role checks**: Access role from `AuthContext`, compare with constants from [frontend/src/constants/roles.js](frontend/src/constants/roles.js)
+- **Navigation**: Use React Router's `<Navigate>` for redirects, not `window.location` (except in interceptor)
+
+## Common Tasks
+
+**Add a new protected route**:
+1. Backend: Add route with `auth` + `requireRole(...)` middleware
+2. Frontend: Add route in [frontend/src/App.jsx](frontend/src/App.jsx) wrapped in `<PrivateRoute>` and/or `<RoleGuard>`
+
+**Access user info in backend controller**:
+```javascript
+const { id, role } = req.user; // Set by auth middleware
+```
+
+**Query grocery items with contributors**:
+Use the JOIN pattern in [backend/models/list.model.js](backend/models/list.model.js) - aggregates user names via `grocery_history` table.
+
+## Testing
+
+**Backend**:
+- Jest configured at root level ([package.json](package.json))
+- Currently **no test files exist** - testing infrastructure needs development
+- CI/CD runs `npm test --if-present` but will pass if no tests found
+- Focus area: API endpoint testing (use `supertest` with Express)
+
+**Frontend**:
+- ESLint only (see [frontend/eslint.config.js](frontend/eslint.config.js))
+- No test runner configured
+- Manual testing workflow in use
+
+**To add backend tests**:
+1. Create `backend/__tests__/` directory
+2. Use Jest + Supertest pattern for API tests
+3. Mock database calls or use test database
diff --git a/IMAGE_STORAGE_IMPLEMENTATION.md b/IMAGE_STORAGE_IMPLEMENTATION.md
new file mode 100644
index 0000000..7c99fc7
--- /dev/null
+++ b/IMAGE_STORAGE_IMPLEMENTATION.md
@@ -0,0 +1,110 @@
+# Image Storage Implementation - Complete
+
+## ✅ Implementation Summary
+
+Successfully implemented BYTEA-based image storage for verification purposes in the grocery list app.
+
+## 🗃️ Database Changes
+
+**Run this SQL on your PostgreSQL database:**
+```sql
+ALTER TABLE grocery_list 
+ADD COLUMN item_image BYTEA,
+ADD COLUMN image_mime_type VARCHAR(50);
+
+CREATE INDEX idx_grocery_list_has_image ON grocery_list ((item_image IS NOT NULL));
+```
+
+Location: `backend/migrations/add_image_columns.sql`
+
+## 🔧 Backend Changes
+
+### New Dependencies
+- **multer**: Handles file uploads
+- **sharp**: Compresses and resizes images to 800x800px, JPEG quality 85
+
+### Files Created/Modified
+1. **`backend/middleware/image.js`** - Image upload and processing middleware
+2. **`backend/models/list.model.js`** - Updated to handle image storage/retrieval
+3. **`backend/controllers/lists.controller.js`** - Modified to accept image uploads
+4. **`backend/routes/list.routes.js`** - Added multer middleware to `/add` endpoint
+
+### Image Processing
+- Maximum size: 10MB upload
+- Auto-resized to: 800x800px (fit inside, no enlargement)
+- Compression: JPEG quality 85
+- Estimated size: 300-500KB per image
+
+## 🎨 Frontend Changes
+
+### New Components
+1. **`ImageModal.jsx`** - Click-to-enlarge modal with animations
+2. **`ImageModal.css`** - Responsive modal styling
+
+### Files Modified
+1. **`AddItemForm.jsx`** - Added image upload with preview
+2. **`GroceryListItem.jsx`** - Shows images, click to enlarge
+3. **`GroceryList.css`** - Styling for image upload and display
+4. **`api/list.js`** - Updated to send FormData with images
+5. **`pages/GroceryList.jsx`** - Pass image file to addItem
+
+### Features
+- **Image upload** with live preview before submitting
+- **Remove image** button on preview
+- **Click to enlarge** any item image
+- **Responsive modal** with close on ESC or background click
+- **Placeholder** shows 📦 emoji for items without images
+- **Visual feedback** - images have blue border, hover effects
+
+## 🚀 How to Use
+
+### 1. Run Database Migration
+Connect to your PostgreSQL server and run the SQL in `backend/migrations/add_image_columns.sql`
+
+### 2. Restart Backend
+```bash
+docker-compose -f docker-compose.dev.yml restart backend
+```
+
+### 3. Test the Feature
+1. Navigate to the grocery list
+2. Click the "+" button to add an item
+3. Fill in item name and quantity
+4. Click "📷 Add Image (Optional)"
+5. Select an image (will be automatically compressed)
+6. Preview shows before submitting
+7. Click "Add Item"
+8. The item now displays with the image
+9. Click the image to view full-size in modal
+
+## 📊 Storage Estimates
+
+With 14GB allocated:
+- **500 items** × 500KB = 250MB
+- **1000 items** × 500KB = 500MB
+- **2000 items** × 500KB = 1GB
+
+You have plenty of headroom!
+
+## 🔒 Security Features
+
+- File type validation (images only)
+- File size limit (10MB max)
+- Auto-compression prevents oversized files
+- RBAC enforced (editor/admin only can upload)
+
+## 🎯 Next Steps (Optional Enhancements)
+
+1. **Bulk upload** - Add multiple images at once
+2. **Image cropping** - Let users crop before upload
+3. **Default images** - Library of pre-set grocery item icons
+4. **Image search** - Find items by image similarity
+5. **Delete image** - Remove image from existing item
+
+## 📝 Notes
+
+- Images are stored as base64 in database responses
+- Browser handles base64 → image display automatically
+- Modal closes on ESC key or clicking outside
+- Images maintain aspect ratio when displayed
+- Compression happens server-side (user doesn't wait)
diff --git a/backend/controllers/lists.controller.js b/backend/controllers/lists.controller.js
index 3667c2d..ad109f2 100644
--- a/backend/controllers/lists.controller.js
+++ b/backend/controllers/lists.controller.js
@@ -15,17 +15,23 @@ exports.getItemByName = async (req, res) => {
 
 exports.addItem = async (req, res) => {
   const { itemName, quantity } = req.body;
+  const userId = req.user.id;
 
-  const id = await List.addOrUpdateItem(itemName, quantity);
+  // Get processed image if uploaded
+  const imageBuffer = req.processedImage?.buffer || null;
+  const mimeType = req.processedImage?.mimeType || null;
 
-  await List.addHistoryRecord(id, quantity);
+  const id = await List.addOrUpdateItem(itemName, quantity, userId, imageBuffer, mimeType);
 
-  res.json({ message: "Item added/updated" });
+  await List.addHistoryRecord(id, quantity, userId);
+
+  res.json({ message: "Item added/updated", addedBy: userId });
 };
 
 
 exports.markBought = async (req, res) => {
-  await List.setBought(req.body.id);
+  const userId = req.user.id;
+  await List.setBought(req.body.id, userId);
   res.json({ message: "Item marked bought" });
 };
 
@@ -34,4 +40,22 @@ exports.getSuggestions = async (req, res) => {
   const { query } = req.query || "";
   const suggestions = await List.getSuggestions(query);
   res.json(suggestions);
+};
+
+exports.updateItemImage = async (req, res) => {
+  const { id, itemName, quantity } = req.body;
+  const userId = req.user.id;
+
+  // Get processed image
+  const imageBuffer = req.processedImage?.buffer || null;
+  const mimeType = req.processedImage?.mimeType || null;
+
+  if (!imageBuffer) {
+    return res.status(400).json({ message: "No image provided" });
+  }
+
+  // Update the item with new image
+  await List.addOrUpdateItem(itemName, quantity, userId, imageBuffer, mimeType);
+
+  res.json({ message: "Image updated successfully" });
 };
\ No newline at end of file
diff --git a/backend/middleware/image.js b/backend/middleware/image.js
new file mode 100644
index 0000000..522ceee
--- /dev/null
+++ b/backend/middleware/image.js
@@ -0,0 +1,48 @@
+const multer = require("multer");
+const sharp = require("sharp");
+
+// Configure multer for memory storage (we'll process before saving to DB)
+const upload = multer({
+  storage: multer.memoryStorage(),
+  limits: {
+    fileSize: 10 * 1024 * 1024, // 10MB max file size
+  },
+  fileFilter: (req, file, cb) => {
+    // Only accept images
+    if (file.mimetype.startsWith("image/")) {
+      cb(null, true);
+    } else {
+      cb(new Error("Only image files are allowed"), false);
+    }
+  },
+});
+
+// Middleware to process and compress images
+const processImage = async (req, res, next) => {
+  if (!req.file) {
+    return next();
+  }
+
+  try {
+    // Compress and resize image to 800x800px, JPEG quality 85
+    const processedBuffer = await sharp(req.file.buffer)
+      .resize(800, 800, {
+        fit: "inside",
+        withoutEnlargement: true,
+      })
+      .jpeg({ quality: 85 })
+      .toBuffer();
+
+    // Attach processed image to request
+    req.processedImage = {
+      buffer: processedBuffer,
+      mimeType: "image/jpeg",
+    };
+
+    next();
+  } catch (error) {
+    res.status(400).json({ message: "Error processing image: " + error.message });
+  }
+};
+
+module.exports = { upload, processImage };
diff --git a/backend/migrations/add_image_columns.sql b/backend/migrations/add_image_columns.sql
new file mode 100644
index 0000000..6f5a061
--- /dev/null
+++ b/backend/migrations/add_image_columns.sql
@@ -0,0 +1,20 @@
+# Database Migration: Add Image Support
+
+Run these SQL commands on your PostgreSQL database:
+
+```sql
+-- Add image columns to grocery_list table
+ALTER TABLE grocery_list 
+ADD COLUMN item_image BYTEA,
+ADD COLUMN image_mime_type VARCHAR(50);
+
+-- Optional: Add index for faster queries when filtering by items with images
+CREATE INDEX idx_grocery_list_has_image ON grocery_list ((item_image IS NOT NULL));
+```
+
+## To Verify:
+```sql
+\d grocery_list
+```
+
+You should see the new columns `item_image` and `image_mime_type`.
diff --git a/backend/models/list.model.js b/backend/models/list.model.js
index 328b383..ebd4d71 100644
--- a/backend/models/list.model.js
+++ b/backend/models/list.model.js
@@ -3,7 +3,21 @@ const pool = require("../db/pool");
 
 exports.getUnboughtItems = async () => {
   const result = await pool.query(
-    "SELECT * FROM grocery_list WHERE bought = FALSE ORDER BY id ASC"
+    `SELECT 
+      gl.id, 
+      gl.item_name, 
+      gl.quantity, 
+      gl.bought,
+      ENCODE(gl.item_image, 'base64') as item_image,
+      gl.image_mime_type,
+      ARRAY_AGG(DISTINCT COALESCE(gh_user.name, creator.name)) FILTER (WHERE COALESCE(gh_user.name, creator.name) IS NOT NULL) as added_by_users
+    FROM grocery_list gl
+    LEFT JOIN users creator ON gl.added_by = creator.id
+    LEFT JOIN grocery_history gh ON gl.id = gh.list_item_id
+    LEFT JOIN users gh_user ON gh.added_by = gh_user.id
+    WHERE gl.bought = FALSE
+    GROUP BY gl.id, gl.item_name, gl.quantity, gl.bought, gl.item_image, gl.image_mime_type
+    ORDER BY gl.id ASC`
   );
   return result.rows;
 };
@@ -18,43 +32,57 @@ exports.getItemByName = async (itemName) => {
 };
 
 
-exports.addOrUpdateItem = async (itemName, quantity) => {
+exports.addOrUpdateItem = async (itemName, quantity, userId, imageBuffer = null, mimeType = null) => {
   const result = await pool.query(
     "SELECT id, bought FROM grocery_list WHERE item_name ILIKE $1",
     [itemName]
   );
 
   if (result.rowCount > 0) {
-    await pool.query(
-      `UPDATE grocery_list 
-      SET quantity = $1, 
-        bought = FALSE 
-      WHERE id = $2`,
-      [quantity, result.rows[0].id]
-    );
+    // Update existing item
+    if (imageBuffer && mimeType) {
+      await pool.query(
+        `UPDATE grocery_list 
+        SET quantity = $1, 
+          bought = FALSE,
+          item_image = $3,
+          image_mime_type = $4
+        WHERE id = $2`,
+        [quantity, result.rows[0].id, imageBuffer, mimeType]
+      );
+    } else {
+      await pool.query(
+        `UPDATE grocery_list 
+        SET quantity = $1, 
+          bought = FALSE 
+        WHERE id = $2`,
+        [quantity, result.rows[0].id]
+      );
+    }
     return result.rows[0].id;
   } else {
+    // Insert new item
     const insert = await pool.query(
       `INSERT INTO grocery_list 
-      (item_name, quantity) 
-      VALUES ($1, $2) RETURNING id`,
-      [itemName, quantity]
+      (item_name, quantity, added_by, item_image, image_mime_type) 
+      VALUES ($1, $2, $3, $4, $5) RETURNING id`,
+      [itemName, quantity, userId, imageBuffer, mimeType]
     );
     return insert.rows[0].id;
   }
 };
 
 
-exports.setBought = async (id) => {
+exports.setBought = async (id, userId) => {
   await pool.query("UPDATE grocery_list SET bought = TRUE WHERE id = $1", [id]);
 };
 
 
-exports.addHistoryRecord = async (itemId, quantity) => {
+exports.addHistoryRecord = async (itemId, quantity, userId) => {
   await pool.query(
-    `INSERT INTO grocery_history (list_item_id, quantity, added_on)
-     VALUES ($1, $2, NOW())`,
-    [itemId, quantity]
+    `INSERT INTO grocery_history (list_item_id, quantity, added_by, added_on)
+     VALUES ($1, $2, $3, NOW())`,
+    [itemId, quantity, userId]
   );
 };
 
diff --git a/backend/package-lock.json b/backend/package-lock.json
index f25dc1b..bd00905 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -10,7 +10,9 @@
         "dotenv": "^17.2.3",
         "express": "^5.1.0",
         "jsonwebtoken": "^9.0.2",
-        "pg": "^8.16.0"
+        "multer": "^2.0.2",
+        "pg": "^8.16.0",
+        "sharp": "^0.34.5"
       },
       "devDependencies": {
         "cpx": "^1.5.0",
@@ -19,6 +21,15 @@
         "rimraf": "^6.0.1"
       }
     },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.7.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.7.1.tgz",
+      "integrity": "sha512-PVtJr5CmLwYAU9PZDMITZoR5iAOShYREoR45EyyLrbntV50mdePTgUn4AmOw90Ifcj+x2kRjdzr1HP3RrNiHGA==",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.25.5",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.5.tgz",
@@ -419,6 +430,446 @@
         "node": ">=18"
       }
     },
+    "node_modules/@img/colour": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@img/colour/-/colour-1.0.0.tgz",
+      "integrity": "sha512-A5P/LfWGFSl6nsckYtjw9da+19jB8hkJ6ACTGcDfEJ0aE+l2n2El7dsVM7UVHZQ9s2lmYMWlrS21YLy2IR1LUw==",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@img/sharp-darwin-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.34.5.tgz",
+      "integrity": "sha512-imtQ3WMJXbMY4fxb/Ndp6HBTNVtWCUI0WdobyheGf5+ad6xX8VIDO8u2xE4qc/fr08CKG/7dDseFtn6M6g/r3w==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-darwin-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-darwin-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.34.5.tgz",
+      "integrity": "sha512-YNEFAF/4KQ/PeW0N+r+aVVsoIY0/qxxikF2SWdp+NRkmMB7y9LBZAVqQ4yhGCm/H3H270OSykqmQMKLBhBJDEw==",
+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-darwin-x64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-libvips-darwin-arm64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-arm64/-/sharp-libvips-darwin-arm64-1.2.4.tgz",
+      "integrity": "sha512-zqjjo7RatFfFoP0MkQ51jfuFZBnVE2pRiaydKJ1G/rHZvnsrHAOcQALIi9sA5co5xenQdTugCvtb1cuf78Vf4g==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-darwin-x64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-x64/-/sharp-libvips-darwin-x64-1.2.4.tgz",
+      "integrity": "sha512-1IOd5xfVhlGwX+zXv2N93k0yMONvUlANylbJw1eTah8K/Jtpi15KC+WSiaX/nBmbm2HxRM1gZ0nSdjSsrZbGKg==",
+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linux-arm": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm/-/sharp-libvips-linux-arm-1.2.4.tgz",
+      "integrity": "sha512-bFI7xcKFELdiNCVov8e44Ia4u2byA+l3XtsAj+Q8tfCwO6BQ8iDojYdvoPMqsKDkuoOo+X6HZA0s0q11ANMQ8A==",
+      "cpu": [
+        "arm"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linux-arm64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm64/-/sharp-libvips-linux-arm64-1.2.4.tgz",
+      "integrity": "sha512-excjX8DfsIcJ10x1Kzr4RcWe1edC9PquDRRPx3YVCvQv+U5p7Yin2s32ftzikXojb1PIFc/9Mt28/y+iRklkrw==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linux-ppc64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-ppc64/-/sharp-libvips-linux-ppc64-1.2.4.tgz",
+      "integrity": "sha512-FMuvGijLDYG6lW+b/UvyilUWu5Ayu+3r2d1S8notiGCIyYU/76eig1UfMmkZ7vwgOrzKzlQbFSuQfgm7GYUPpA==",
+      "cpu": [
+        "ppc64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linux-riscv64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-riscv64/-/sharp-libvips-linux-riscv64-1.2.4.tgz",
+      "integrity": "sha512-oVDbcR4zUC0ce82teubSm+x6ETixtKZBh/qbREIOcI3cULzDyb18Sr/Wcyx7NRQeQzOiHTNbZFF1UwPS2scyGA==",
+      "cpu": [
+        "riscv64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linux-s390x": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-s390x/-/sharp-libvips-linux-s390x-1.2.4.tgz",
+      "integrity": "sha512-qmp9VrzgPgMoGZyPvrQHqk02uyjA0/QrTO26Tqk6l4ZV0MPWIW6LTkqOIov+J1yEu7MbFQaDpwdwJKhbJvuRxQ==",
+      "cpu": [
+        "s390x"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linux-x64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-x64/-/sharp-libvips-linux-x64-1.2.4.tgz",
+      "integrity": "sha512-tJxiiLsmHc9Ax1bz3oaOYBURTXGIRDODBqhveVHonrHJ9/+k89qbLl0bcJns+e4t4rvaNBxaEZsFtSfAdquPrw==",
+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linuxmusl-arm64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linuxmusl-arm64/-/sharp-libvips-linuxmusl-arm64-1.2.4.tgz",
+      "integrity": "sha512-FVQHuwx1IIuNow9QAbYUzJ+En8KcVm9Lk5+uGUQJHaZmMECZmOlix9HnH7n1TRkXMS0pGxIJokIVB9SuqZGGXw==",
+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-libvips-linuxmusl-x64": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linuxmusl-x64/-/sharp-libvips-linuxmusl-x64-1.2.4.tgz",
+      "integrity": "sha512-+LpyBk7L44ZIXwz/VYfglaX/okxezESc6UxDSoyo2Ks6Jxc4Y7sGjpgU9s4PMgqgjj1gZCylTieNamqA1MF7Dg==",
+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-linux-arm": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linux-arm/-/sharp-linux-arm-0.34.5.tgz",
+      "integrity": "sha512-9dLqsvwtg1uuXBGZKsxem9595+ujv0sJ6Vi8wcTANSFpwV/GONat5eCkzQo/1O6zRIkh0m/8+5BjrRr7jDUSZw==",
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+        "arm"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linux-arm": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-linux-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linux-arm64/-/sharp-linux-arm64-0.34.5.tgz",
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+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linux-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-linux-ppc64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linux-ppc64/-/sharp-linux-ppc64-0.34.5.tgz",
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+      "cpu": [
+        "ppc64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linux-ppc64": "1.2.4"
+      }
+    },
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+      ],
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+      ],
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+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
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+        "s390x"
+      ],
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+        "linux"
+      ],
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+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
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+        "@img/sharp-libvips-linux-s390x": "1.2.4"
+      }
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+      "version": "0.34.5",
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+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linux-x64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-linuxmusl-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linuxmusl-arm64/-/sharp-linuxmusl-arm64-0.34.5.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-linuxmusl-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linuxmusl-x64/-/sharp-linuxmusl-x64-0.34.5.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-wasm32": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-wasm32/-/sharp-wasm32-0.34.5.tgz",
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+        "wasm32"
+      ],
+      "optional": true,
+      "dependencies": {
+        "@emnapi/runtime": "^1.7.0"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-arm64/-/sharp-win32-arm64-0.34.5.tgz",
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+        "arm64"
+      ],
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
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+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
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+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-ia32/-/sharp-win32-ia32-0.34.5.tgz",
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+        "ia32"
+      ],
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+      "os": [
+        "win32"
+      ],
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+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
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+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-x64/-/sharp-win32-x64-0.34.5.tgz",
+      "integrity": "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw==",
+      "cpu": [
+        "x64"
+      ],
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
@@ -482,6 +933,11 @@
         "normalize-path": "^2.0.0"
       }
     },
+    "node_modules/append-field": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz",
+      "integrity": "sha512-klpgFSWLW1ZEs8svjfb7g4qWY0YS5imI82dTg+QahUvJ8YqAY0P10Uk8tTyh9ZGuYEZEMaeJYCF5BFuX552hsw=="
+    },
     "node_modules/arr-diff": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-2.0.0.tgz",
@@ -684,6 +1140,22 @@
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
       "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
     },
+    "node_modules/buffer-from": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
+      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ=="
+    },
+    "node_modules/busboy": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/busboy/-/busboy-1.6.0.tgz",
+      "integrity": "sha512-8SFQbg/0hQ9xy3UNTB0YEnsNBbWfhf7RtnzpL7TkBiTBRfrQ9Fxcnz7VJsleJpyp6rVLvXiuORqjlHi5q+PYuA==",
+      "dependencies": {
+        "streamsearch": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=10.16.0"
+      }
+    },
     "node_modules/bytes": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -862,6 +1334,33 @@
       "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
       "dev": true
     },
+    "node_modules/concat-stream": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-2.0.0.tgz",
+      "integrity": "sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==",
+      "engines": [
+        "node >= 6.0"
+      ],
+      "dependencies": {
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.0.2",
+        "typedarray": "^0.0.6"
+      }
+    },
+    "node_modules/concat-stream/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/content-disposition": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.0.0.tgz",
@@ -1023,6 +1522,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/detect-libc": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
+      "integrity": "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/dotenv": {
       "version": "17.2.3",
       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.2.3.tgz",
@@ -2138,7 +2645,6 @@
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
       "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
-      "dev": true,
       "funding": {
         "url": "https://github.com/sponsors/ljharb"
       }
@@ -2181,7 +2687,6 @@
       "version": "0.5.6",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
       "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
-      "dev": true,
       "dependencies": {
         "minimist": "^1.2.6"
       },
@@ -2194,6 +2699,62 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
     },
+    "node_modules/multer": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/multer/-/multer-2.0.2.tgz",
+      "integrity": "sha512-u7f2xaZ/UG8oLXHvtF/oWTRvT44p9ecwBBqTwgJVq0+4BW1g8OW01TyMEGWBHbyMOYVHXslaut7qEQ1meATXgw==",
+      "dependencies": {
+        "append-field": "^1.0.0",
+        "busboy": "^1.6.0",
+        "concat-stream": "^2.0.0",
+        "mkdirp": "^0.5.6",
+        "object-assign": "^4.1.1",
+        "type-is": "^1.6.18",
+        "xtend": "^4.0.2"
+      },
+      "engines": {
+        "node": ">= 10.16.0"
+      }
+    },
+    "node_modules/multer/node_modules/media-typer": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
+      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/multer/node_modules/type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "dependencies": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/nan": {
       "version": "2.22.2",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.22.2.tgz",
@@ -3503,6 +4064,49 @@
       "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
       "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
     },
+    "node_modules/sharp": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.5.tgz",
+      "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "@img/colour": "^1.0.0",
+        "detect-libc": "^2.1.2",
+        "semver": "^7.7.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.34.5",
+        "@img/sharp-darwin-x64": "0.34.5",
+        "@img/sharp-libvips-darwin-arm64": "1.2.4",
+        "@img/sharp-libvips-darwin-x64": "1.2.4",
+        "@img/sharp-libvips-linux-arm": "1.2.4",
+        "@img/sharp-libvips-linux-arm64": "1.2.4",
+        "@img/sharp-libvips-linux-ppc64": "1.2.4",
+        "@img/sharp-libvips-linux-riscv64": "1.2.4",
+        "@img/sharp-libvips-linux-s390x": "1.2.4",
+        "@img/sharp-libvips-linux-x64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4",
+        "@img/sharp-linux-arm": "0.34.5",
+        "@img/sharp-linux-arm64": "0.34.5",
+        "@img/sharp-linux-ppc64": "0.34.5",
+        "@img/sharp-linux-riscv64": "0.34.5",
+        "@img/sharp-linux-s390x": "0.34.5",
+        "@img/sharp-linux-x64": "0.34.5",
+        "@img/sharp-linuxmusl-arm64": "0.34.5",
+        "@img/sharp-linuxmusl-x64": "0.34.5",
+        "@img/sharp-wasm32": "0.34.5",
+        "@img/sharp-win32-arm64": "0.34.5",
+        "@img/sharp-win32-ia32": "0.34.5",
+        "@img/sharp-win32-x64": "0.34.5"
+      }
+    },
     "node_modules/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -3842,11 +4446,18 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/streamsearch": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-1.1.0.tgz",
+      "integrity": "sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
     "node_modules/string_decoder": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
       "dependencies": {
         "safe-buffer": "~5.1.0"
       }
@@ -3854,8 +4465,7 @@
     "node_modules/string_decoder/node_modules/safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-      "dev": true
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "node_modules/string-width": {
       "version": "5.1.2",
@@ -4055,6 +4665,12 @@
         "nodetouch": "bin/nodetouch.js"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "optional": true
+    },
     "node_modules/type-is": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.1.tgz",
@@ -4068,6 +4684,11 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
+    },
     "node_modules/undefsafe": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
@@ -4173,8 +4794,7 @@
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
-      "dev": true
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
     },
     "node_modules/vary": {
       "version": "1.1.2",
diff --git a/backend/package.json b/backend/package.json
index bb5ca49..5ba58c5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -5,7 +5,9 @@
     "dotenv": "^17.2.3",
     "express": "^5.1.0",
     "jsonwebtoken": "^9.0.2",
-    "pg": "^8.16.0"
+    "multer": "^2.0.2",
+    "pg": "^8.16.0",
+    "sharp": "^0.34.5"
   },
   "devDependencies": {
     "cpx": "^1.5.0",
diff --git a/backend/routes/list.routes.js b/backend/routes/list.routes.js
index 63e6026..a9f65e1 100644
--- a/backend/routes/list.routes.js
+++ b/backend/routes/list.routes.js
@@ -4,6 +4,7 @@ const auth = require("../middleware/auth");
 const requireRole = require("../middleware/rbac");
 const { ROLES } = require("../models/user.model");
 const User = require("../models/user.model");
+const { upload, processImage } = require("../middleware/image");
 
 
 
@@ -12,7 +13,8 @@ router.get("/item-by-name", auth, requireRole(...Object.values(ROLES)), controll
 router.get("/suggest", auth, requireRole(...Object.values(ROLES)), controller.getSuggestions);
 
 
-router.post("/add", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), controller.addItem);
+router.post("/add", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), upload.single("image"), processImage, controller.addItem);
+router.post("/update-image", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), upload.single("image"), processImage, controller.updateItemImage);
 router.post("/mark-bought", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), controller.markBought);
 
 
diff --git a/dev-rebuild.sh b/dev-rebuild.sh
new file mode 100644
index 0000000..8bab805
--- /dev/null
+++ b/dev-rebuild.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+# Quick script to rebuild Docker Compose dev environment
+
+echo "Stopping containers and removing volumes..."
+docker-compose -f docker-compose.dev.yml down -v
+
+echo "Rebuilding and starting containers..."
+docker-compose -f docker-compose.dev.yml up --build
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index de6750f..5982a4b 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -7,7 +7,7 @@ services:
       - NODE_ENV=development
     volumes:
       - ./frontend:/app
-      - /app/node_modules
+      - frontend_node_modules:/app/node_modules
     ports:
       - "3000:5173"
     depends_on:
@@ -21,9 +21,13 @@ services:
     command: npm run dev
     volumes:
       - ./backend:/app
-      - /app/node_modules
+      - backend_node_modules:/app/node_modules
     ports:
       - "5000:5000"
     env_file:
       - ./backend/.env
     restart: always
+
+volumes:
+  frontend_node_modules:
+  backend_node_modules:
diff --git a/frontend/src/api/list.js b/frontend/src/api/list.js
index 675a82e..e48e575 100644
--- a/frontend/src/api/list.js
+++ b/frontend/src/api/list.js
@@ -2,6 +2,36 @@ import api from "./axios";
 
 export const getList = () => api.get("/list");
 export const getItemByName = (itemName) => api.get("/list/item-by-name", { params: { itemName: itemName } });
-export const addItem = (itemName, quantity) => api.post("/list/add", { itemName, quantity });
+
+export const addItem = (itemName, quantity, imageFile = null) => {
+  const formData = new FormData();
+  formData.append("itemName", itemName);
+  formData.append("quantity", quantity);
+
+  if (imageFile) {
+    formData.append("image", imageFile);
+  }
+
+  return api.post("/list/add", formData, {
+    headers: {
+      "Content-Type": "multipart/form-data",
+    },
+  });
+};
+
 export const markBought = (id) => api.post("/list/mark-bought", { id });
-export const getSuggestions = (query) => api.get("/list/suggest", { params: { query: query } });
\ No newline at end of file
+export const getSuggestions = (query) => api.get("/list/suggest", { params: { query: query } });
+
+export const updateItemImage = (id, itemName, quantity, imageFile) => {
+  const formData = new FormData();
+  formData.append("id", id);
+  formData.append("itemName", itemName);
+  formData.append("quantity", quantity);
+  formData.append("image", imageFile);
+
+  return api.post("/list/update-image", formData, {
+    headers: {
+      "Content-Type": "multipart/form-data",
+    },
+  });
+};
\ No newline at end of file
diff --git a/frontend/src/components/AddImageModal.jsx b/frontend/src/components/AddImageModal.jsx
new file mode 100644
index 0000000..39ab266
--- /dev/null
+++ b/frontend/src/components/AddImageModal.jsx
@@ -0,0 +1,99 @@
+import { useRef, useState } from "react";
+import "../styles/AddImageModal.css";
+
+export default function AddImageModal({ itemName, onClose, onAddImage }) {
+  const [selectedImage, setSelectedImage] = useState(null);
+  const [imagePreview, setImagePreview] = useState(null);
+  const cameraInputRef = useRef(null);
+  const galleryInputRef = useRef(null);
+
+  const handleFileSelect = (e) => {
+    const file = e.target.files[0];
+    if (file) {
+      setSelectedImage(file);
+      const reader = new FileReader();
+      reader.onloadend = () => {
+        setImagePreview(reader.result);
+      };
+      reader.readAsDataURL(file);
+    }
+  };
+
+  const handleCameraClick = () => {
+    cameraInputRef.current?.click();
+  };
+
+  const handleGalleryClick = () => {
+    galleryInputRef.current?.click();
+  };
+
+  const handleConfirm = () => {
+    if (selectedImage) {
+      onAddImage(selectedImage);
+    }
+  };
+
+  const removeImage = () => {
+    setSelectedImage(null);
+    setImagePreview(null);
+  };
+
+  return (
+    <div className="add-image-modal-overlay" onClick={onClose}>
+      <div className="add-image-modal" onClick={(e) => e.stopPropagation()}>
+        <h2>Add Image</h2>
+        <p className="add-image-subtitle">
+          There's no image for <strong>"{itemName}"</strong> yet. Add a new image?
+        </p>
+
+        {!imagePreview ? (
+          <div className="add-image-options">
+            <button onClick={handleCameraClick} className="add-image-option-btn camera">
+              📷 Use Camera
+            </button>
+            <button onClick={handleGalleryClick} className="add-image-option-btn gallery">
+              🖼️ Choose from Gallery
+            </button>
+          </div>
+        ) : (
+          <div className="add-image-preview-container">
+            <div className="add-image-preview">
+              <img src={imagePreview} alt="Preview" />
+              <button type="button" onClick={removeImage} className="add-image-remove">
+                ×
+              </button>
+            </div>
+          </div>
+        )}
+
+        <input
+          ref={cameraInputRef}
+          type="file"
+          accept="image/*"
+          capture="environment"
+          onChange={handleFileSelect}
+          style={{ display: "none" }}
+        />
+
+        <input
+          ref={galleryInputRef}
+          type="file"
+          accept="image/*"
+          onChange={handleFileSelect}
+          style={{ display: "none" }}
+        />
+
+        <div className="add-image-actions">
+          <button onClick={onClose} className="add-image-cancel">
+            Cancel
+          </button>
+          {imagePreview && (
+            <button onClick={handleConfirm} className="add-image-confirm">
+              Add Image
+            </button>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/AddItemForm.jsx b/frontend/src/components/AddItemForm.jsx
new file mode 100644
index 0000000..10e76a7
--- /dev/null
+++ b/frontend/src/components/AddItemForm.jsx
@@ -0,0 +1,60 @@
+import { useState } from "react";
+import SuggestionList from "./SuggestionList";
+
+export default function AddItemForm({ onAdd, onSuggest, suggestions, buttonText = "Add Item" }) {
+  const [itemName, setItemName] = useState("");
+  const [quantity, setQuantity] = useState(1);
+  const [showSuggestions, setShowSuggestions] = useState(false);
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    if (!itemName.trim()) return;
+
+    onAdd(itemName, quantity);
+    setItemName("");
+    setQuantity(1);
+  };
+
+  const handleInputChange = (text) => {
+    setItemName(text);
+    onSuggest(text);
+  };
+
+  const handleSuggestionSelect = (suggestion) => {
+    setItemName(suggestion);
+    setShowSuggestions(false);
+  };
+
+  return (
+    <form onSubmit={handleSubmit}>
+      <input
+        type="text"
+        className="glist-input"
+        placeholder="Item name"
+        value={itemName}
+        onChange={(e) => handleInputChange(e.target.value)}
+        onBlur={() => setTimeout(() => setShowSuggestions(false), 150)}
+        onClick={() => setShowSuggestions(true)}
+      />
+
+      {showSuggestions && suggestions.length > 0 && (
+        <SuggestionList
+          suggestions={suggestions}
+          onSelect={handleSuggestionSelect}
+        />
+      )}
+
+      <input
+        type="number"
+        min="1"
+        className="glist-input"
+        value={quantity}
+        onChange={(e) => setQuantity(Number(e.target.value))}
+      />
+
+      <button type="submit" className="glist-btn">
+        {buttonText}
+      </button>
+    </form>
+  );
+}
diff --git a/frontend/src/components/ConfirmBuyModal.jsx b/frontend/src/components/ConfirmBuyModal.jsx
new file mode 100644
index 0000000..3e9c7f6
--- /dev/null
+++ b/frontend/src/components/ConfirmBuyModal.jsx
@@ -0,0 +1,67 @@
+import { useState } from "react";
+import "../styles/ConfirmBuyModal.css";
+
+export default function ConfirmBuyModal({ item, onConfirm, onCancel }) {
+  const [quantity, setQuantity] = useState(item.quantity);
+  const maxQuantity = item.quantity;
+
+  const handleIncrement = () => {
+    if (quantity < maxQuantity) {
+      setQuantity(prev => prev + 1);
+    }
+  };
+
+  const handleDecrement = () => {
+    if (quantity > 1) {
+      setQuantity(prev => prev - 1);
+    }
+  };
+
+  const handleConfirm = () => {
+    onConfirm(quantity);
+  };
+
+  return (
+    <div className="confirm-buy-modal-overlay" onClick={onCancel}>
+      <div className="confirm-buy-modal" onClick={(e) => e.stopPropagation()}>
+        <h2>Mark as Bought</h2>
+        <p className="confirm-buy-item-name">"{item.item_name}"</p>
+
+        <div className="confirm-buy-quantity-section">
+          <p className="confirm-buy-label">Quantity to buy:</p>
+          <div className="confirm-buy-counter">
+            <button
+              onClick={handleDecrement}
+              className="confirm-buy-counter-btn"
+              disabled={quantity <= 1}
+            >
+              −
+            </button>
+            <input
+              type="number"
+              value={quantity}
+              readOnly
+              className="confirm-buy-counter-display"
+            />
+            <button
+              onClick={handleIncrement}
+              className="confirm-buy-counter-btn"
+              disabled={quantity >= maxQuantity}
+            >
+              +
+            </button>
+          </div>
+        </div>
+
+        <div className="confirm-buy-actions">
+          <button onClick={onCancel} className="confirm-buy-cancel">
+            Cancel
+          </button>
+          <button onClick={handleConfirm} className="confirm-buy-confirm">
+            Mark as Bought
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/ErrorMessage.jsx b/frontend/src/components/ErrorMessage.jsx
new file mode 100644
index 0000000..00e981b
--- /dev/null
+++ b/frontend/src/components/ErrorMessage.jsx
@@ -0,0 +1,7 @@
+export default function ErrorMessage({ message, type = "error" }) {
+  if (!message) return null;
+
+  const className = type === "success" ? "success-message" : "error-message";
+
+  return <p className={className}>{message}</p>;
+}
diff --git a/frontend/src/components/FloatingActionButton.jsx b/frontend/src/components/FloatingActionButton.jsx
new file mode 100644
index 0000000..7f5d359
--- /dev/null
+++ b/frontend/src/components/FloatingActionButton.jsx
@@ -0,0 +1,7 @@
+export default function FloatingActionButton({ isOpen, onClick }) {
+  return (
+    <button className="glist-fab" onClick={onClick}>
+      {isOpen ? "−" : "+"}
+    </button>
+  );
+}
diff --git a/frontend/src/components/FormInput.jsx b/frontend/src/components/FormInput.jsx
new file mode 100644
index 0000000..8081902
--- /dev/null
+++ b/frontend/src/components/FormInput.jsx
@@ -0,0 +1,21 @@
+export default function FormInput({
+  type = "text",
+  placeholder,
+  value,
+  onChange,
+  onKeyUp,
+  required = false,
+  className = "",
+}) {
+  return (
+    <input
+      type={type}
+      placeholder={placeholder}
+      value={value}
+      onChange={onChange}
+      onKeyUp={onKeyUp}
+      required={required}
+      className={className}
+    />
+  );
+}
diff --git a/frontend/src/components/GroceryListItem.jsx b/frontend/src/components/GroceryListItem.jsx
new file mode 100644
index 0000000..537217f
--- /dev/null
+++ b/frontend/src/components/GroceryListItem.jsx
@@ -0,0 +1,100 @@
+import { useState } from "react";
+import AddImageModal from "./AddImageModal";
+import ConfirmBuyModal from "./ConfirmBuyModal";
+import ImageModal from "./ImageModal";
+
+export default function GroceryListItem({ item, onClick, onImageAdded }) {
+  const [showModal, setShowModal] = useState(false);
+  const [showAddImageModal, setShowAddImageModal] = useState(false);
+  const [showConfirmBuyModal, setShowConfirmBuyModal] = useState(false);
+
+  const handleItemClick = () => {
+    setShowConfirmBuyModal(true);
+  };
+
+  const handleConfirmBuy = (quantity) => {
+    if (onClick) {
+      onClick(quantity);
+    }
+    setShowConfirmBuyModal(false);
+  };
+
+  const handleCancelBuy = () => {
+    setShowConfirmBuyModal(false);
+  };
+
+  const handleImageClick = (e) => {
+    e.stopPropagation(); // Prevent triggering the bought action
+    if (item.item_image) {
+      setShowModal(true);
+    } else {
+      setShowAddImageModal(true);
+    }
+  };
+
+  const handleAddImage = async (imageFile) => {
+    if (onImageAdded) {
+      await onImageAdded(item.id, item.item_name, item.quantity, imageFile);
+    }
+    setShowAddImageModal(false);
+  };
+
+  const imageUrl = item.item_image && item.image_mime_type
+    ? `data:${item.image_mime_type};base64,${item.item_image}`
+    : null;
+
+  return (
+    <>
+      <li className="glist-li" onClick={handleItemClick}>
+        <div className="glist-item-layout">
+          <div
+            className={`glist-item-image ${item.item_image ? "has-image" : ""}`}
+            onClick={handleImageClick}
+            style={{ cursor: "pointer" }}
+          >
+            {item.item_image ? (
+              <img src={imageUrl} alt={item.item_name} />
+            ) : (
+              <span>📦</span>
+            )}
+            <span className="glist-item-quantity">x{item.quantity}</span>
+          </div>
+          <div className="glist-item-content">
+            <div className="glist-item-header">
+              <span className="glist-item-name">{item.item_name}</span>
+            </div>
+            {item.added_by_users && item.added_by_users.length > 0 && (
+              <div className="glist-item-users">
+                {item.added_by_users.join(", ")}
+              </div>
+            )}
+          </div>
+        </div>
+      </li>
+
+      {showModal && (
+        <ImageModal
+          imageUrl={imageUrl}
+          itemName={item.item_name}
+          onClose={() => setShowModal(false)}
+        />
+      )}
+
+      {showAddImageModal && (
+        <AddImageModal
+          itemName={item.item_name}
+          onClose={() => setShowAddImageModal(false)}
+          onAddImage={handleAddImage}
+        />
+      )}
+
+      {showConfirmBuyModal && (
+        <ConfirmBuyModal
+          item={item}
+          onConfirm={handleConfirmBuy}
+          onCancel={handleCancelBuy}
+        />
+      )}
+    </>
+  );
+}
diff --git a/frontend/src/components/ImageModal.jsx b/frontend/src/components/ImageModal.jsx
new file mode 100644
index 0000000..913dd42
--- /dev/null
+++ b/frontend/src/components/ImageModal.jsx
@@ -0,0 +1,27 @@
+import { useEffect } from "react";
+import "../styles/ImageModal.css";
+
+export default function ImageModal({ imageUrl, itemName, onClose }) {
+  useEffect(() => {
+    // Close modal on Escape key
+    const handleEscape = (e) => {
+      if (e.key === "Escape") onClose();
+    };
+    document.addEventListener("keydown", handleEscape);
+    return () => document.removeEventListener("keydown", handleEscape);
+  }, [onClose]);
+
+  if (!imageUrl) return null;
+
+  return (
+    <div className="image-modal-overlay" onClick={onClose}>
+      <div className="image-modal-content" onClick={(e) => e.stopPropagation()}>
+        <button className="image-modal-close" onClick={onClose}>
+          ×
+        </button>
+        <img src={imageUrl} alt={itemName} className="image-modal-img" />
+        <p className="image-modal-caption">{itemName}</p>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/ImageUploadModal.jsx b/frontend/src/components/ImageUploadModal.jsx
new file mode 100644
index 0000000..99c7ca9
--- /dev/null
+++ b/frontend/src/components/ImageUploadModal.jsx
@@ -0,0 +1,102 @@
+import { useRef, useState } from "react";
+import "../styles/ImageUploadModal.css";
+
+export default function ImageUploadModal({ itemName, onConfirm, onSkip, onCancel }) {
+  const [selectedImage, setSelectedImage] = useState(null);
+  const [imagePreview, setImagePreview] = useState(null);
+  const cameraInputRef = useRef(null);
+  const galleryInputRef = useRef(null);
+
+  const handleImageChange = (e) => {
+    const file = e.target.files[0];
+    if (file) {
+      setSelectedImage(file);
+      const reader = new FileReader();
+      reader.onloadend = () => {
+        setImagePreview(reader.result);
+      };
+      reader.readAsDataURL(file);
+    }
+  };
+
+  const removeImage = () => {
+    setSelectedImage(null);
+    setImagePreview(null);
+  };
+
+  const handleConfirm = () => {
+    onConfirm(selectedImage);
+  };
+
+  const handleCancel = () => {
+    if (onCancel) {
+      onCancel();
+    }
+  };
+
+  const handleCameraClick = () => {
+    cameraInputRef.current?.click();
+  };
+
+  const handleGalleryClick = () => {
+    galleryInputRef.current?.click();
+  };
+
+  return (
+    <div className="image-upload-modal-overlay" onClick={handleCancel}>
+      <div className="image-upload-modal" onClick={(e) => e.stopPropagation()}>
+        <h2>Add Image for "{itemName}"</h2>
+        <p className="image-upload-subtitle">This is a new item. Would you like to add a verification image?</p>
+
+        <div className="image-upload-content">
+          {!imagePreview ? (
+            <div className="image-upload-options">
+              <button onClick={handleCameraClick} className="image-upload-option-btn camera">
+                📷 Use Camera
+              </button>
+              <button onClick={handleGalleryClick} className="image-upload-option-btn gallery">
+                🖼️ Choose from Gallery
+              </button>
+            </div>
+          ) : (
+            <div className="modal-image-preview">
+              <img src={imagePreview} alt="Preview" />
+              <button type="button" onClick={removeImage} className="modal-remove-image">
+                ×
+              </button>
+            </div>
+          )}
+        </div>
+
+        <input
+          ref={cameraInputRef}
+          type="file"
+          accept="image/*"
+          capture="environment"
+          onChange={handleImageChange}
+          style={{ display: "none" }}
+        />
+
+        <input
+          ref={galleryInputRef}
+          type="file"
+          accept="image/*"
+          onChange={handleImageChange}
+          style={{ display: "none" }}
+        />
+
+        <div className="image-upload-actions">
+          <button onClick={handleCancel} className="image-upload-cancel">
+            Cancel
+          </button>
+          <button onClick={onSkip} className="image-upload-skip">
+            Skip
+          </button>
+          <button onClick={handleConfirm} className="image-upload-confirm" disabled={!selectedImage}>
+            {selectedImage ? "Add with Image" : "Select an Image"}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/SimilarItemModal.jsx b/frontend/src/components/SimilarItemModal.jsx
new file mode 100644
index 0000000..2c4ed71
--- /dev/null
+++ b/frontend/src/components/SimilarItemModal.jsx
@@ -0,0 +1,29 @@
+import "../styles/SimilarItemModal.css";
+
+export default function SimilarItemModal({ originalName, suggestedName, onCancel, onNo, onYes }) {
+  return (
+    <div className="similar-item-modal-overlay" onClick={onCancel}>
+      <div className="similar-item-modal" onClick={(e) => e.stopPropagation()}>
+        <h2>Similar Item Found</h2>
+        <p className="similar-item-question">
+          Do you mean <strong>"{suggestedName}"</strong>?
+        </p>
+        <p className="similar-item-clarification">
+          You entered: "{originalName}"
+        </p>
+
+        <div className="similar-item-actions">
+          <button onClick={onCancel} className="similar-item-cancel">
+            Cancel
+          </button>
+          <button onClick={onNo} className="similar-item-no">
+            No, Create New
+          </button>
+          <button onClick={onYes} className="similar-item-yes">
+            Yes, Use Suggestion
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/SortDropdown.jsx b/frontend/src/components/SortDropdown.jsx
new file mode 100644
index 0000000..65f171e
--- /dev/null
+++ b/frontend/src/components/SortDropdown.jsx
@@ -0,0 +1,10 @@
+export default function SortDropdown({ value, onChange }) {
+  return (
+    <select value={value} onChange={(e) => onChange(e.target.value)} className="glist-sort">
+      <option value="az">A → Z</option>
+      <option value="za">Z → A</option>
+      <option value="qty-high">Quantity: High → Low</option>
+      <option value="qty-low">Quantity: Low → High</option>
+    </select>
+  );
+}
diff --git a/frontend/src/components/UserRoleCard.jsx b/frontend/src/components/UserRoleCard.jsx
new file mode 100644
index 0000000..0bb24dd
--- /dev/null
+++ b/frontend/src/components/UserRoleCard.jsx
@@ -0,0 +1,21 @@
+import { ROLES } from "../constants/roles";
+
+export default function UserRoleCard({ user, onRoleChange }) {
+  return (
+    <div className="user-card">
+      <div className="user-info">
+        <strong>{user.name}</strong>
+        <span className="user-username">@{user.username}</span>
+      </div>
+      <select
+        onChange={(e) => onRoleChange(user.id, e.target.value)}
+        value={user.role}
+        className="role-select"
+      >
+        <option value={ROLES.VIEWER}>Viewer</option>
+        <option value={ROLES.EDITOR}>Editor</option>
+        <option value={ROLES.ADMIN}>Admin</option>
+      </select>
+    </div>
+  );
+}
diff --git a/frontend/src/pages/AdminPanel.jsx b/frontend/src/pages/AdminPanel.jsx
index 0bbd540..ecbd806 100644
--- a/frontend/src/pages/AdminPanel.jsx
+++ b/frontend/src/pages/AdminPanel.jsx
@@ -1,13 +1,13 @@
 import { useEffect, useState } from "react";
 import { getAllUsers, updateRole } from "../api/users";
-import { ROLES } from "../constants/roles";
+import UserRoleCard from "../components/UserRoleCard";
+import "../styles/UserRoleCard.css";
 
 export default function AdminPanel() {
   const [users, setUsers] = useState([]);
 
   async function loadUsers() {
     const allUsers = await getAllUsers();
-    console.log(allUsers);
     setUsers(allUsers.data);
   }
 
@@ -22,19 +22,17 @@ export default function AdminPanel() {
   }
 
   return (
-    <div>
+    <div style={{ padding: "2rem" }}>
       <h1>Admin Panel</h1>
-      {users.map((user) => (
-        <div key={user.id}>
-          <strong>{user.username}</strong> - {user.role}
-          <select onChange={(e) => changeRole(user.id, e.target.value)} value={user.role}>
-            <option value={ROLES.VIEWER}>Viewer</option>
-            <option value={ROLES.EDITOR}>Editor</option>
-            <option value={ROLES.ADMIN}>Admin</option>
-          </select>
-        </div>
-      ))
-      }
-    </div >
+      <div style={{ marginTop: "2rem" }}>
+        {users.map((user) => (
+          <UserRoleCard
+            key={user.id}
+            user={user}
+            onRoleChange={changeRole}
+          />
+        ))}
+      </div>
+    </div>
   )
 }
\ No newline at end of file
diff --git a/frontend/src/pages/GroceryList.jsx b/frontend/src/pages/GroceryList.jsx
index e4ae9c0..420c6b5 100644
--- a/frontend/src/pages/GroceryList.jsx
+++ b/frontend/src/pages/GroceryList.jsx
@@ -1,28 +1,35 @@
 import { useContext, useEffect, useState } from "react";
-import { addItem, getItemByName, getList, getSuggestions, markBought } from "../api/list";
+import { addItem, getItemByName, getList, getSuggestions, markBought, updateItemImage } from "../api/list";
+import AddItemForm from "../components/AddItemForm";
+import FloatingActionButton from "../components/FloatingActionButton";
+import GroceryListItem from "../components/GroceryListItem";
+import ImageUploadModal from "../components/ImageUploadModal";
+import SimilarItemModal from "../components/SimilarItemModal";
+import SortDropdown from "../components/SortDropdown";
 import { ROLES } from "../constants/roles";
 import { AuthContext } from "../context/AuthContext";
 import "../styles/GroceryList.css";
+import { findSimilarItems } from "../utils/stringSimilarity";
 
 export default function GroceryList() {
-  const { role, username } = useContext(AuthContext);
+  const { role } = useContext(AuthContext);
 
   const [items, setItems] = useState([]);
   const [sortedItems, setSortedItems] = useState([]);
-
   const [sortMode, setSortMode] = useState("az");
-
-  const [showSuggestions, setShowSuggestions] = useState(false);
-  const [itemName, setItemName] = useState("");
-  const [quantity, setQuantity] = useState(1);
   const [suggestions, setSuggestions] = useState([]);
-
-  const [showAddForm, setShowAddForm] = useState(true);
+  const [showAddForm, setShowAddForm] = useState(false);
   const [loading, setLoading] = useState(true);
+  const [buttonText, setButtonText] = useState("Add Item");
+  const [pendingItem, setPendingItem] = useState(null);
+  const [showImageModal, setShowImageModal] = useState(false);
+  const [showSimilarModal, setShowSimilarModal] = useState(false);
+  const [similarItemSuggestion, setSimilarItemSuggestion] = useState(null);
 
   const loadItems = async () => {
     setLoading(true);
     const res = await getList();
+    console.log(res.data);
     setItems(res.data);
     setLoading(false);
   };
@@ -34,29 +41,38 @@ export default function GroceryList() {
   useEffect(() => {
     let sorted = [...items];
 
-    if (sortMode === "az")
-      sorted.sort((a, b) => a.item_name.localeCompare(b.item_name));
-
-    if (sortMode === "za")
-      sorted.sort((a, b) => b.item_name.localeCompare(a.item_name));
-
-    if (sortMode === "qty-high")
-      sorted.sort((a, b) => b.quantity - a.quantity);
-
-    if (sortMode === "qty-low")
-      sorted.sort((a, b) => a.quantity - b.quantity);
+    if (sortMode === "az") sorted.sort((a, b) => a.item_name.localeCompare(b.item_name));
+    if (sortMode === "za") sorted.sort((a, b) => b.item_name.localeCompare(a.item_name));
+    if (sortMode === "qty-high") sorted.sort((a, b) => b.quantity - a.quantity);
+    if (sortMode === "qty-low") sorted.sort((a, b) => a.quantity - b.quantity);
 
     setSortedItems(sorted);
   }, [items, sortMode]);
 
   const handleSuggest = async (text) => {
-    setItemName(text);
-
     if (!text.trim()) {
       setSuggestions([]);
+      setButtonText("Add Item");
       return;
     }
 
+    // Check if exact match exists (case-insensitive)
+    const lowerText = text.toLowerCase().trim();
+    const exactMatch = items.find(item => item.item_name.toLowerCase() === lowerText);
+
+    if (exactMatch) {
+      setButtonText("Add Item");
+    } else {
+      // Check for similar items (80% match)
+      const similar = findSimilarItems(text, items, 80);
+      if (similar.length > 0) {
+        // Show suggestion in button but allow creation
+        setButtonText("Create and Add Item");
+      } else {
+        setButtonText("Create and Add Item");
+      }
+    }
+
     try {
       let suggestions = await getSuggestions(text);
       suggestions = suggestions.data.map(s => s.item_name);
@@ -66,40 +82,126 @@ export default function GroceryList() {
     }
   };
 
-  const handleAdd = async (e) => {
-    e.preventDefault();
+  const handleAdd = async (itemName, quantity) => {
     if (!itemName.trim()) return;
-    let newQuantity = quantity;
 
-    const item = await getItemByName(itemName);
-    if (item.data && item.data.bought === false) {
-      console.log("Item exists:", item.data);
-      let currentQuantity = item.data.quantity;
+    const lowerItemName = itemName.toLowerCase().trim();
+
+    // Check for 80% similar items
+    const similar = findSimilarItems(itemName, items, 80);
+    if (similar.length > 0) {
+      // Show modal and wait for user decision
+      setSimilarItemSuggestion({ originalName: itemName, suggestedItem: similar[0], quantity });
+      setShowSimilarModal(true);
+      return;
+    }
+
+    // Continue with normal flow
+    await processItemAddition(itemName, quantity);
+  };
+
+  const processItemAddition = async (itemName, quantity) => {
+
+    // Check if item exists in database (case-insensitive)
+    let existingItem = null;
+    try {
+      const response = await getItemByName(itemName);
+      existingItem = response.data;
+    } catch {
+      existingItem = null;
+    }
+
+    if (existingItem && existingItem.bought === false) {
+      // Item exists and is unbought - update quantity
+      const currentQuantity = existingItem.quantity;
+      const newQuantity = currentQuantity + quantity;
       const yes = window.confirm(
-        `Item "${itemName}" already exists in the list. Do you want to update its quantity from ${currentQuantity} to ${currentQuantity + newQuantity}?`
+        `Item "${itemName}" already exists in the list. Do you want to update its quantity from ${currentQuantity} to ${newQuantity}?`
       );
       if (!yes) return;
 
-      newQuantity += currentQuantity;
+      await addItem(itemName, newQuantity, null);
+      setSuggestions([]);
+      setButtonText("Add Item");
+      loadItems();
+    } else if (existingItem) {
+      // Item exists in database (was previously bought) - just add quantity
+      await addItem(itemName, quantity, null);
+      setSuggestions([]);
+      setButtonText("Add Item");
+      loadItems();
+    } else {
+      // NEW ITEM - show image upload modal
+      setPendingItem({ itemName, quantity });
+      setShowImageModal(true);
     }
+  };
 
-    await addItem(itemName, newQuantity);
+  const handleSimilarCancel = () => {
+    setShowSimilarModal(false);
+    setSimilarItemSuggestion(null);
+  };
 
-    setItemName("");
-    setQuantity(1);
+  const handleSimilarNo = async () => {
+    if (!similarItemSuggestion) return;
+    setShowSimilarModal(false);
+    // Create new item with original name
+    await processItemAddition(similarItemSuggestion.originalName, similarItemSuggestion.quantity);
+    setSimilarItemSuggestion(null);
+  };
+
+  const handleSimilarYes = async () => {
+    if (!similarItemSuggestion) return;
+    setShowSimilarModal(false);
+    // Use suggested item name
+    await processItemAddition(similarItemSuggestion.suggestedItem.item_name, similarItemSuggestion.quantity);
+    setSimilarItemSuggestion(null);
+  };
+
+  const handleImageConfirm = async (imageFile) => {
+    if (!pendingItem) return;
+
+    await addItem(pendingItem.itemName, pendingItem.quantity, imageFile);
+    setShowImageModal(false);
+    setPendingItem(null);
     setSuggestions([]);
-
+    setButtonText("Add Item");
     loadItems();
   };
 
-  const handleBought = async (id) => {
-    const yes = window.confirm("Mark this item as bought?");
-    if (!yes) return;
+  const handleImageSkip = async () => {
+    if (!pendingItem) return;
 
+    await addItem(pendingItem.itemName, pendingItem.quantity, null);
+    setShowImageModal(false);
+    setPendingItem(null);
+    setSuggestions([]);
+    setButtonText("Add Item");
+    loadItems();
+  };
+
+  const handleImageCancel = () => {
+    setShowImageModal(false);
+    setPendingItem(null);
+    setSuggestions([]);
+    setButtonText("Add Item");
+  };
+
+  const handleBought = async (id, quantity) => {
     await markBought(id);
     loadItems();
   };
 
+  const handleImageAdded = async (id, itemName, quantity, imageFile) => {
+    try {
+      await updateItemImage(id, itemName, quantity, imageFile);
+      loadItems(); // Reload to show new image
+    } catch (error) {
+      console.error("Failed to add image:", error);
+      alert("Failed to add image. Please try again.");
+    }
+  };
+
   if (loading) return <p>Loading...</p>;
 
   return (
@@ -107,86 +209,57 @@ export default function GroceryList() {
       <div className="glist-container">
         <h1 className="glist-title">Costco Grocery List</h1>
 
-        {/* Sorting dropdown */}
-        <select
-          value={sortMode}
-          onChange={(e) => setSortMode(e.target.value)}
-          className="glist-sort"
-        >
-          <option value="az">A → Z</option>
-          <option value="za">Z → A</option>
-          <option value="qty-high">Quantity: High → Low</option>
-          <option value="qty-low">Quantity: Low → High</option>
-        </select>
+        <SortDropdown value={sortMode} onChange={setSortMode} />
 
-        {/* Add Item form (editor/admin only) */}
         {[ROLES.ADMIN, ROLES.EDITOR].includes(role) && showAddForm && (
-          <>
-            <input
-              type="text"
-              className="glist-input"
-              placeholder="Item name"
-              value={itemName}
-              onChange={(e) => handleSuggest(e.target.value)}
-              onBlur={() => setTimeout(() => setShowSuggestions(false), 150)}
-              onClick={() => setShowSuggestions(true)}
-            />
-
-            {showSuggestions && suggestions.length > 0 && (
-              <ul className="glist-suggest-box">
-                {suggestions.map((s, i) => (
-                  <li
-                    key={i}
-                    className="glist-suggest-item"
-                    onClick={() => {
-                      setItemName(s);
-                      setSuggestions([]);
-                    }}
-                  >
-                    {s}
-                  </li>
-                ))}
-              </ul>
-            )}
-
-            <input
-              type="number"
-              min="1"
-              className="glist-input"
-              value={quantity}
-              onChange={(e) => setQuantity(Number(e.target.value))}
-            />
-
-            <button className="glist-btn" onClick={handleAdd}>
-              Add Item
-            </button>
-          </>
+          <AddItemForm
+            onAdd={handleAdd}
+            onSuggest={handleSuggest}
+            suggestions={suggestions}
+            buttonText={buttonText}
+          />
         )}
 
-        {/* Grocery list */}
         <ul className="glist-ul">
           {sortedItems.map((item) => (
-            <li
+            <GroceryListItem
               key={item.id}
-              className="glist-li"
-              onClick={() =>
-                [ROLES.ADMIN, ROLES.EDITOR].includes(role) && handleBought(item.id)
+              item={item}
+              onClick={(quantity) =>
+                [ROLES.ADMIN, ROLES.EDITOR].includes(role) && handleBought(item.id, quantity)
               }
-            >
-              {item.item_name} ({item.quantity})
-            </li>
+              onImageAdded={
+                [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleImageAdded : null
+              }
+            />
           ))}
         </ul>
       </div>
 
-      {/* Floating Button (editor/admin only) */}
       {[ROLES.ADMIN, ROLES.EDITOR].includes(role) && (
-        <button
-          className="glist-fab"
+        <FloatingActionButton
+          isOpen={showAddForm}
           onClick={() => setShowAddForm(!showAddForm)}
-        >
-          {showAddForm ? "−" : "+"}
-        </button>
+        />
+      )}
+
+      {showImageModal && pendingItem && (
+        <ImageUploadModal
+          itemName={pendingItem.itemName}
+          onConfirm={handleImageConfirm}
+          onSkip={handleImageSkip}
+          onCancel={handleImageCancel}
+        />
+      )}
+
+      {showSimilarModal && similarItemSuggestion && (
+        <SimilarItemModal
+          originalName={similarItemSuggestion.originalName}
+          suggestedName={similarItemSuggestion.suggestedItem.item_name}
+          onCancel={handleSimilarCancel}
+          onNo={handleSimilarNo}
+          onYes={handleSimilarYes}
+        />
       )}
     </div>
   );
diff --git a/frontend/src/pages/Login.jsx b/frontend/src/pages/Login.jsx
index 64feb16..7768c49 100644
--- a/frontend/src/pages/Login.jsx
+++ b/frontend/src/pages/Login.jsx
@@ -1,6 +1,8 @@
 import { useContext, useState } from "react";
 import { Link } from "react-router-dom";
 import { loginRequest } from "../api/auth";
+import ErrorMessage from "../components/ErrorMessage";
+import FormInput from "../components/FormInput";
 import { AuthContext } from "../context/AuthContext";
 import "../styles/Login.css";
 
@@ -8,6 +10,7 @@ export default function Login() {
   const { login } = useContext(AuthContext);
   const [username, setUsername] = useState("");
   const [password, setPassword] = useState("");
+  const [showPassword, setShowPassword] = useState(false);
   const [error, setError] = useState("");
 
   const submit = async (e) => {
@@ -28,22 +31,32 @@ export default function Login() {
       <div className="login-box">
         <h1 className="login-title">Login</h1>
 
-        {error && <p className="login-error">{error}</p>}
+        <ErrorMessage message={error} />
 
         <form onSubmit={submit}>
-          <input
+          <FormInput
             type="text"
             className="login-input"
             placeholder="Username"
             onChange={(e) => setUsername(e.target.value)}
           />
 
-          <input
-            type="password"
-            className="login-input"
-            placeholder="Password"
-            onChange={(e) => setPassword(e.target.value)}
-          />
+          <div className="login-password-wrapper">
+            <FormInput
+              type={showPassword ? "text" : "password"}
+              className="login-input"
+              placeholder="Password"
+              onChange={(e) => setPassword(e.target.value)}
+            />
+            <button
+              type="button"
+              className="login-password-toggle"
+              onClick={() => setShowPassword(!showPassword)}
+              aria-label="Toggle password visibility"
+            >
+              {showPassword ? "👀" : "🙈"}
+            </button>
+          </div>
 
           <button type="submit" className="login-button">Login</button>
         </form>
diff --git a/frontend/src/pages/Register.jsx b/frontend/src/pages/Register.jsx
index 3d46424..6f42f9e 100644
--- a/frontend/src/pages/Register.jsx
+++ b/frontend/src/pages/Register.jsx
@@ -2,8 +2,9 @@ import { useContext, useEffect, useState } from "react";
 import { Link, useNavigate } from "react-router-dom";
 import { loginRequest, registerRequest } from "../api/auth";
 import { checkIfUserExists } from "../api/users";
+import ErrorMessage from "../components/ErrorMessage";
+import FormInput from "../components/FormInput";
 import { AuthContext } from "../context/AuthContext";
-
 import "../styles/Register.css";
 
 export default function Register() {
@@ -19,25 +20,25 @@ export default function Register() {
   const [error, setError] = useState("");
   const [success, setSuccess] = useState("");
 
+  useEffect(() => {
+    checkIfUserExistsHandler();
+  }, [username]);
 
-  useEffect(() => { checkIfUserExistsHandler(); }, [username]);
   async function checkIfUserExistsHandler() {
     setUserExists((await checkIfUserExists(username)).data);
   }
 
-  useEffect(() => { setError(userExists ? `Username '${username}' already taken` : ""); }, [userExists]);
+  useEffect(() => {
+    setError(userExists ? `Username '${username}' already taken` : "");
+  }, [userExists]);
 
   useEffect(() => {
-    setPasswordMatches(
-      !password ||
-      !confirm ||
-      password === confirm
-    );
+    setPasswordMatches(!password || !confirm || password === confirm);
   }, [password, confirm]);
 
-  useEffect(() => { setError(passwordMatches ? "" : "Passwords are not matching"); }, [passwordMatches]);
-
-
+  useEffect(() => {
+    setError(passwordMatches ? "" : "Passwords are not matching");
+  }, [passwordMatches]);
 
   const submit = async (e) => {
     e.preventDefault();
@@ -46,51 +47,46 @@ export default function Register() {
 
     try {
       await registerRequest(username, password, name);
-      console.log("Registered user:", username);
       const data = await loginRequest(username, password);
-      console.log(data);
       login(data);
-      setSuccess("Account created! Redirecting the grocery list...");
+      setSuccess("Account created! Redirecting to the grocery list...");
       setTimeout(() => navigate("/"), 2000);
     } catch (err) {
       setError(err.response?.data?.message || "Registration failed");
-      setTimeout(() => {
-        setError("");
-      }, 1000);
+      setTimeout(() => setError(""), 1000);
     }
   };
 
-
   return (
     <div className="register-container">
       <h1>Register</h1>
 
-      {<p className="error-message">{error}</p>}
-      {success && <p className="success-message">{success}</p>}
+      <ErrorMessage message={error} />
+      <ErrorMessage message={success} type="success" />
 
       <form className="register-form" onSubmit={submit}>
-        <input
+        <FormInput
           type="text"
           placeholder="Name"
           onChange={(e) => setName(e.target.value)}
           required
         />
 
-        <input
+        <FormInput
           type="text"
           placeholder="Username"
           onKeyUp={(e) => setUsername(e.target.value)}
           required
         />
 
-        <input
+        <FormInput
           type="password"
           placeholder="Password"
           onChange={(e) => setPassword(e.target.value)}
           required
         />
 
-        <input
+        <FormInput
           type="password"
           placeholder="Confirm Password"
           onChange={(e) => setConfirm(e.target.value)}
diff --git a/frontend/src/styles/AddImageModal.css b/frontend/src/styles/AddImageModal.css
new file mode 100644
index 0000000..4a34dc5
--- /dev/null
+++ b/frontend/src/styles/AddImageModal.css
@@ -0,0 +1,176 @@
+.add-image-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.add-image-modal {
+  background: white;
+  padding: 2em;
+  border-radius: 12px;
+  max-width: 500px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.add-image-modal h2 {
+  margin: 0 0 0.5em 0;
+  font-size: 1.5em;
+  color: #333;
+  text-align: center;
+}
+
+.add-image-subtitle {
+  margin: 0 0 1.5em 0;
+  color: #666;
+  font-size: 0.95em;
+  text-align: center;
+}
+
+.add-image-subtitle strong {
+  color: #007bff;
+}
+
+.add-image-options {
+  display: flex;
+  flex-direction: column;
+  gap: 1em;
+  margin: 2em 0;
+}
+
+.add-image-option-btn {
+  padding: 1.2em;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  background: white;
+  font-size: 1.1em;
+  cursor: pointer;
+  transition: all 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5em;
+}
+
+.add-image-option-btn:hover {
+  border-color: #007bff;
+  background: #f8f9fa;
+  transform: translateY(-2px);
+  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
+}
+
+.add-image-option-btn.camera {
+  color: #007bff;
+}
+
+.add-image-option-btn.gallery {
+  color: #28a745;
+}
+
+.add-image-preview-container {
+  margin: 1.5em 0;
+  display: flex;
+  justify-content: center;
+}
+
+.add-image-preview {
+  position: relative;
+  width: 250px;
+  height: 250px;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  overflow: hidden;
+}
+
+.add-image-preview img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.add-image-remove {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  background: rgba(255, 0, 0, 0.8);
+  color: white;
+  border: none;
+  border-radius: 50%;
+  width: 30px;
+  height: 30px;
+  font-size: 1.5em;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  line-height: 1;
+  padding: 0;
+}
+
+.add-image-remove:hover {
+  background: rgba(255, 0, 0, 1);
+}
+
+.add-image-actions {
+  display: flex;
+  gap: 1em;
+  margin-top: 1.5em;
+}
+
+.add-image-cancel,
+.add-image-confirm {
+  flex: 1;
+  padding: 0.8em;
+  border: none;
+  border-radius: 6px;
+  font-size: 1em;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.add-image-cancel {
+  background: #f0f0f0;
+  color: #333;
+}
+
+.add-image-cancel:hover {
+  background: #e0e0e0;
+}
+
+.add-image-confirm {
+  background: #28a745;
+  color: white;
+}
+
+.add-image-confirm:hover {
+  background: #218838;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
diff --git a/frontend/src/styles/ConfirmBuyModal.css b/frontend/src/styles/ConfirmBuyModal.css
new file mode 100644
index 0000000..2a4adc9
--- /dev/null
+++ b/frontend/src/styles/ConfirmBuyModal.css
@@ -0,0 +1,158 @@
+.confirm-buy-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.confirm-buy-modal {
+  background: white;
+  padding: 2em;
+  border-radius: 12px;
+  max-width: 450px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.confirm-buy-modal h2 {
+  margin: 0 0 0.5em 0;
+  font-size: 1.5em;
+  color: #333;
+  text-align: center;
+}
+
+.confirm-buy-item-name {
+  margin: 0 0 1.5em 0;
+  font-size: 1.1em;
+  color: #007bff;
+  font-weight: 600;
+  text-align: center;
+}
+
+.confirm-buy-quantity-section {
+  margin: 2em 0;
+}
+
+.confirm-buy-label {
+  margin: 0 0 1em 0;
+  font-size: 1em;
+  color: #555;
+  text-align: center;
+}
+
+.confirm-buy-counter {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 1em;
+}
+
+.confirm-buy-counter-btn {
+  width: 50px;
+  height: 50px;
+  border: 2px solid #007bff;
+  border-radius: 8px;
+  background: white;
+  color: #007bff;
+  font-size: 1.8em;
+  font-weight: bold;
+  cursor: pointer;
+  transition: all 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  line-height: 1;
+  padding: 0;
+}
+
+.confirm-buy-counter-btn:hover:not(:disabled) {
+  background: #007bff;
+  color: white;
+}
+
+.confirm-buy-counter-btn:disabled {
+  border-color: #ccc;
+  color: #ccc;
+  cursor: not-allowed;
+}
+
+.confirm-buy-counter-display {
+  width: 80px;
+  height: 50px;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  text-align: center;
+  font-size: 1.5em;
+  font-weight: bold;
+  color: #333;
+  background: #f8f9fa;
+}
+
+.confirm-buy-counter-display:focus {
+  outline: none;
+  border-color: #007bff;
+}
+
+.confirm-buy-actions {
+  display: flex;
+  gap: 1em;
+  margin-top: 2em;
+}
+
+.confirm-buy-cancel,
+.confirm-buy-confirm {
+  flex: 1;
+  padding: 0.9em;
+  border: none;
+  border-radius: 8px;
+  font-size: 1em;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.confirm-buy-cancel {
+  background: #f0f0f0;
+  color: #333;
+}
+
+.confirm-buy-cancel:hover {
+  background: #e0e0e0;
+}
+
+.confirm-buy-confirm {
+  background: #28a745;
+  color: white;
+}
+
+.confirm-buy-confirm:hover {
+  background: #218838;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
diff --git a/frontend/src/styles/GroceryList.css b/frontend/src/styles/GroceryList.css
index f168931..59b9abc 100644
--- a/frontend/src/styles/GroceryList.css
+++ b/frontend/src/styles/GroceryList.css
@@ -81,15 +81,99 @@
 }
 
 .glist-li {
-  padding: 0.7em;
-  background: #e9ecef;
-  border-radius: 5px;
-  margin-bottom: 0.6em;
+  background: #fff;
+  border: 1px solid #e0e0e0;
+  border-radius: 8px;
+  margin-bottom: 0.8em;
   cursor: pointer;
+  transition: box-shadow 0.2s, transform 0.2s;
+  overflow: hidden;
 }
 
 .glist-li:hover {
-  background: #dee2e6;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+  transform: translateY(-2px);
+}
+
+.glist-item-layout {
+  display: flex;
+  gap: 1em;
+  padding: 0em;
+  align-items: center;
+}
+
+.glist-item-image {
+  width: 80px;
+  height: 80px;
+  min-width: 80px;
+  background: #f5f5f5;
+  border: 2px solid #e0e0e0;
+  border-radius: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 2em;
+  color: #ccc;
+  overflow: hidden;
+  position: relative;
+}
+
+.glist-item-image.has-image {
+  border-color: #007bff;
+  background: #fff;
+}
+
+.glist-item-image img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.glist-item-image.has-image:hover {
+  opacity: 0.8;
+  box-shadow: 0 0 8px rgba(0, 123, 255, 0.3);
+}
+
+.glist-item-content {
+  display: flex;
+  flex-direction: column;
+  gap: 0.4em;
+  flex: 1;
+  min-width: 0;
+}
+
+.glist-item-header {
+  display: flex;
+  align-items: baseline;
+  gap: 0.5em;
+  flex-wrap: wrap;
+}
+
+.glist-item-name {
+  font-weight: 600;
+  font-size: 1.1em;
+  color: #333;
+}
+
+.glist-item-quantity {
+  position: absolute;
+  top: 0;
+  right: 0;
+  background: rgba(0, 123, 255, 0.9);
+  color: white;
+  font-weight: 700;
+  font-size: 0.3em;
+  padding: 0.2em 0.4em;
+  border-radius: 0 6px 0 4px;
+  min-width: 20%;
+  text-align: center;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
+}
+
+.glist-item-users {
+  font-size: 0.9em;
+  color: #888;
+  font-style: italic;
 }
 
 /* Sorting dropdown */
@@ -101,6 +185,62 @@
   border-radius: 4px;
 }
 
+/* Image upload */
+.glist-image-upload {
+  margin: 0.5em 0;
+}
+
+.glist-image-label {
+  display: block;
+  padding: 0.6em;
+  background: #f0f0f0;
+  border: 2px dashed #ccc;
+  border-radius: 4px;
+  text-align: center;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.glist-image-label:hover {
+  background: #e8e8e8;
+  border-color: #007bff;
+}
+
+.glist-image-preview {
+  position: relative;
+  margin-top: 0.5em;
+  display: inline-block;
+}
+
+.glist-image-preview img {
+  max-width: 150px;
+  max-height: 150px;
+  border-radius: 8px;
+  border: 2px solid #ddd;
+}
+
+.glist-remove-image {
+  position: absolute;
+  top: -8px;
+  right: -8px;
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+  background: #ff4444;
+  color: white;
+  border: 2px solid white;
+  font-size: 1.2rem;
+  line-height: 1;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.glist-remove-image:hover {
+  background: #cc0000;
+}
+
 /* Floating Action Button (FAB) */
 .glist-fab {
   position: fixed;
diff --git a/frontend/src/styles/ImageModal.css b/frontend/src/styles/ImageModal.css
new file mode 100644
index 0000000..ae7b414
--- /dev/null
+++ b/frontend/src/styles/ImageModal.css
@@ -0,0 +1,99 @@
+.image-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.9);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  padding: 2rem;
+  animation: fadeIn 0.2s ease;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+.image-modal-content {
+  position: relative;
+  max-width: 90vw;
+  max-height: 90vh;
+  background: white;
+  border-radius: 12px;
+  padding: 1rem;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease;
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(50px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
+
+.image-modal-close {
+  position: absolute;
+  top: -15px;
+  right: -15px;
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  background: #ff4444;
+  color: white;
+  border: 3px solid white;
+  font-size: 1.5rem;
+  line-height: 1;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1001;
+  transition: background 0.2s;
+}
+
+.image-modal-close:hover {
+  background: #cc0000;
+}
+
+.image-modal-img {
+  max-width: 100%;
+  max-height: 70vh;
+  object-fit: contain;
+  display: block;
+  border-radius: 8px;
+}
+
+.image-modal-caption {
+  text-align: center;
+  margin-top: 1rem;
+  font-size: 1.2rem;
+  font-weight: 600;
+  color: #333;
+}
+
+@media (max-width: 768px) {
+  .image-modal-overlay {
+    padding: 1rem;
+  }
+
+  .image-modal-img {
+    max-height: 60vh;
+  }
+
+  .image-modal-caption {
+    font-size: 1rem;
+  }
+}
diff --git a/frontend/src/styles/ImageUploadModal.css b/frontend/src/styles/ImageUploadModal.css
new file mode 100644
index 0000000..c528556
--- /dev/null
+++ b/frontend/src/styles/ImageUploadModal.css
@@ -0,0 +1,203 @@
+.image-upload-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.image-upload-modal {
+  background: white;
+  padding: 2em;
+  border-radius: 12px;
+  max-width: 500px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.image-upload-modal h2 {
+  margin: 0 0 0.5em 0;
+  font-size: 1.5em;
+  color: #333;
+}
+
+.image-upload-subtitle {
+  margin: 0 0 1.5em 0;
+  color: #666;
+  font-size: 0.95em;
+}
+
+.image-upload-content {
+  margin: 1.5em 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 1em;
+}
+
+.image-upload-options {
+  display: flex;
+  flex-direction: column;
+  gap: 1em;
+  width: 100%;
+  margin: 1em 0;
+}
+
+.image-upload-option-btn {
+  padding: 1.2em;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  background: white;
+  font-size: 1.1em;
+  cursor: pointer;
+  transition: all 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5em;
+}
+
+.image-upload-option-btn:hover {
+  border-color: #007bff;
+  background: #f8f9fa;
+  transform: translateY(-2px);
+  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
+}
+
+.image-upload-option-btn.camera {
+  color: #007bff;
+}
+
+.image-upload-option-btn.gallery {
+  color: #28a745;
+}
+
+.image-upload-button {
+  display: inline-block;
+  padding: 0.8em 1.5em;
+  background: #007bff;
+  color: white;
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 1em;
+  transition: background 0.2s;
+}
+
+.image-upload-button:hover {
+  background: #0056b3;
+}
+
+.modal-image-preview {
+  position: relative;
+  width: 200px;
+  height: 200px;
+  border: 2px solid #ddd;
+  border-radius: 8px;
+  overflow: hidden;
+}
+
+.modal-image-preview img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.modal-remove-image {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  background: rgba(255, 0, 0, 0.8);
+  color: white;
+  border: none;
+  border-radius: 50%;
+  width: 30px;
+  height: 30px;
+  font-size: 1.5em;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  line-height: 1;
+  padding: 0;
+}
+
+.modal-remove-image:hover {
+  background: rgba(255, 0, 0, 1);
+}
+
+.image-upload-actions {
+  display: flex;
+  gap: 1em;
+  margin-top: 1.5em;
+}
+
+.image-upload-cancel,
+.image-upload-skip,
+.image-upload-confirm {
+  flex: 1;
+  padding: 0.8em;
+  border: none;
+  border-radius: 6px;
+  font-size: 1em;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.image-upload-cancel {
+  background: #dc3545;
+  color: white;
+}
+
+.image-upload-cancel:hover {
+  background: #c82333;
+}
+
+.image-upload-skip {
+  background: #f0f0f0;
+  color: #333;
+}
+
+.image-upload-skip:hover {
+  background: #e0e0e0;
+}
+
+.image-upload-confirm {
+  background: #28a745;
+  color: white;
+}
+
+.image-upload-confirm:hover:not(:disabled) {
+  background: #218838;
+}
+
+.image-upload-confirm:disabled {
+  background: #ccc;
+  cursor: not-allowed;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
diff --git a/frontend/src/styles/Login.css b/frontend/src/styles/Login.css
index 034b067..df01ebc 100644
--- a/frontend/src/styles/Login.css
+++ b/frontend/src/styles/Login.css
@@ -33,6 +33,40 @@
   border: 1px solid #ccc;
 }
 
+.login-password-wrapper {
+  display: flex;
+  align-items: center;
+  gap: 0.5em;
+  margin: 0.4em 0;
+}
+
+.login-password-wrapper .login-input {
+  flex: 1;
+  width: auto;
+  margin: 0;
+}
+
+.login-password-toggle {
+  background: #f0f0f0;
+  border: 1px solid #ccc;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 1.2em;
+  padding: 0.4em;
+  line-height: 1;
+  opacity: 0.8;
+  transition: all 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 36px;
+}
+
+.login-password-toggle:hover {
+  opacity: 1;
+  background: #e8e8e8;
+}
+
 .login-button {
   width: 100%;
   padding: 0.7em;
diff --git a/frontend/src/styles/SimilarItemModal.css b/frontend/src/styles/SimilarItemModal.css
new file mode 100644
index 0000000..e3930fd
--- /dev/null
+++ b/frontend/src/styles/SimilarItemModal.css
@@ -0,0 +1,115 @@
+.similar-item-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  z-index: 1000;
+  animation: fadeIn 0.2s ease-out;
+}
+
+.similar-item-modal {
+  background: white;
+  padding: 2em;
+  border-radius: 12px;
+  max-width: 500px;
+  width: 90%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
+  animation: slideUp 0.3s ease-out;
+}
+
+.similar-item-modal h2 {
+  margin: 0 0 1em 0;
+  font-size: 1.5em;
+  color: #333;
+  text-align: center;
+}
+
+.similar-item-question {
+  margin: 0 0 0.5em 0;
+  font-size: 1.1em;
+  color: #333;
+  text-align: center;
+}
+
+.similar-item-question strong {
+  color: #007bff;
+}
+
+.similar-item-clarification {
+  margin: 0 0 2em 0;
+  font-size: 0.9em;
+  color: #666;
+  text-align: center;
+  font-style: italic;
+}
+
+.similar-item-actions {
+  display: flex;
+  gap: 0.8em;
+  margin-top: 1.5em;
+}
+
+.similar-item-cancel,
+.similar-item-no,
+.similar-item-yes {
+  flex: 1;
+  padding: 0.8em;
+  border: none;
+  border-radius: 6px;
+  font-size: 1em;
+  cursor: pointer;
+  transition: all 0.2s;
+  font-weight: 500;
+}
+
+.similar-item-cancel {
+  background: #f0f0f0;
+  color: #333;
+}
+
+.similar-item-cancel:hover {
+  background: #e0e0e0;
+}
+
+.similar-item-no {
+  background: #6c757d;
+  color: white;
+}
+
+.similar-item-no:hover {
+  background: #5a6268;
+}
+
+.similar-item-yes {
+  background: #28a745;
+  color: white;
+}
+
+.similar-item-yes:hover {
+  background: #218838;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+  }
+  to {
+    opacity: 1;
+  }
+}
+
+@keyframes slideUp {
+  from {
+    transform: translateY(30px);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
diff --git a/frontend/src/styles/UserRoleCard.css b/frontend/src/styles/UserRoleCard.css
new file mode 100644
index 0000000..eaee92a
--- /dev/null
+++ b/frontend/src/styles/UserRoleCard.css
@@ -0,0 +1,40 @@
+.user-card {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 1rem;
+  margin: 0.5rem 0;
+  background: #f5f5f5;
+  border-radius: 8px;
+  border: 1px solid #ddd;
+}
+
+.user-info {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}
+
+.user-username {
+  color: #666;
+  font-size: 0.9rem;
+}
+
+.role-select {
+  padding: 0.5rem;
+  border-radius: 4px;
+  border: 1px solid #ccc;
+  background: white;
+  cursor: pointer;
+  font-size: 0.9rem;
+}
+
+.role-select:hover {
+  border-color: #007bff;
+}
+
+.role-select:focus {
+  outline: none;
+  border-color: #007bff;
+  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
+}
diff --git a/frontend/src/utils/stringSimilarity.js b/frontend/src/utils/stringSimilarity.js
new file mode 100644
index 0000000..7ec1216
--- /dev/null
+++ b/frontend/src/utils/stringSimilarity.js
@@ -0,0 +1,68 @@
+/**
+ * Calculate Levenshtein distance between two strings
+ * @param {string} str1 - First string
+ * @param {string} str2 - Second string
+ * @returns {number} - Edit distance
+ */
+function levenshteinDistance(str1, str2) {
+  const len1 = str1.length;
+  const len2 = str2.length;
+  const matrix = Array(len1 + 1).fill(null).map(() => Array(len2 + 1).fill(0));
+
+  for (let i = 0; i <= len1; i++) matrix[i][0] = i;
+  for (let j = 0; j <= len2; j++) matrix[0][j] = j;
+
+  for (let i = 1; i <= len1; i++) {
+    for (let j = 1; j <= len2; j++) {
+      const cost = str1[i - 1] === str2[j - 1] ? 0 : 1;
+      matrix[i][j] = Math.min(
+        matrix[i - 1][j] + 1,      // deletion
+        matrix[i][j - 1] + 1,      // insertion
+        matrix[i - 1][j - 1] + cost // substitution
+      );
+    }
+  }
+
+  return matrix[len1][len2];
+}
+
+/**
+ * Calculate similarity percentage between two strings (0-100%)
+ * @param {string} str1 - First string
+ * @param {string} str2 - Second string
+ * @returns {number} - Similarity percentage
+ */
+export function calculateSimilarity(str1, str2) {
+  const lower1 = str1.toLowerCase().trim();
+  const lower2 = str2.toLowerCase().trim();
+
+  if (lower1 === lower2) return 100;
+  if (lower1.length === 0 || lower2.length === 0) return 0;
+
+  const distance = levenshteinDistance(lower1, lower2);
+  const maxLength = Math.max(lower1.length, lower2.length);
+  const similarity = ((maxLength - distance) / maxLength) * 100;
+
+  return Math.round(similarity);
+}
+
+/**
+ * Find items with similarity >= threshold
+ * @param {string} inputName - Item name to check
+ * @param {Array} existingItems - Array of existing items with item_name property
+ * @param {number} threshold - Minimum similarity percentage (default 80)
+ * @returns {Array} - Array of similar items sorted by similarity
+ */
+export function findSimilarItems(inputName, existingItems, threshold = 80) {
+  const similar = [];
+
+  for (const item of existingItems) {
+    const similarity = calculateSimilarity(inputName, item.item_name);
+    if (similarity >= threshold && similarity < 100) {
+      similar.push({ ...item, similarity });
+    }
+  }
+
+  // Sort by similarity descending
+  return similar.sort((a, b) => b.similarity - a.similarity);
+}
diff --git a/package-lock.json b/package-lock.json
index 92ba427..5845a6d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,9 +1,10 @@
 {
-  "name": "costco-grocery-list",
+  "name": "Costco-Grocery-List",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
+      "name": "Costco-Grocery-List",
       "devDependencies": {
         "cross-env": "^10.1.0",
         "jest": "^30.2.0",
@@ -3745,9 +3746,9 @@
       ]
     },
     "node_modules/qs": {
-      "version": "6.14.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
-      "integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
+      "version": "6.14.1",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.1.tgz",
+      "integrity": "sha512-4EK3+xJl8Ts67nLYNwqw/dsFVnCf+qR7RgXSK9jEEm9unao3njwMDdmsdvoKBKHzxd7tCYz5e5M+SnMjdtXGQQ==",
       "dev": true,
       "dependencies": {
         "side-channel": "^1.1.0"
-- 
2.39.5


From 29f64a13d598ffad7ceb6d97d8cfdfcf88fbb0e5 Mon Sep 17 00:00:00 2001
From: Nico <Nico>
Date: Fri, 2 Jan 2026 13:55:54 -0800
Subject: [PATCH 2/7] have backend automatically reload with the addition of
 nodemon.json and within it are watch settings add bought items within grocery
 list page

---
 backend/controllers/lists.controller.js       |  5 +++
 backend/migrations/add_modified_on_column.sql |  8 ++++
 backend/models/list.model.js                  | 41 ++++++++++++++++---
 backend/nodemon.json                          | 16 ++++++++
 backend/routes/list.routes.js                 |  1 +
 frontend/src/api/list.js                      |  1 +
 frontend/src/components/GroceryListItem.jsx   | 22 +++++++++-
 frontend/src/components/ImageModal.jsx        |  5 +--
 frontend/src/pages/GroceryList.jsx            | 31 +++++++++++++-
 frontend/src/styles/GroceryList.css           | 22 +++++++---
 10 files changed, 134 insertions(+), 18 deletions(-)
 create mode 100644 backend/migrations/add_modified_on_column.sql
 create mode 100644 backend/nodemon.json

diff --git a/backend/controllers/lists.controller.js b/backend/controllers/lists.controller.js
index ad109f2..da6316b 100644
--- a/backend/controllers/lists.controller.js
+++ b/backend/controllers/lists.controller.js
@@ -42,6 +42,11 @@ exports.getSuggestions = async (req, res) => {
   res.json(suggestions);
 };
 
+exports.getRecentlyBought = async (req, res) => {
+  const items = await List.getRecentlyBoughtItems();
+  res.json(items);
+};
+
 exports.updateItemImage = async (req, res) => {
   const { id, itemName, quantity } = req.body;
   const userId = req.user.id;
diff --git a/backend/migrations/add_modified_on_column.sql b/backend/migrations/add_modified_on_column.sql
new file mode 100644
index 0000000..2034edc
--- /dev/null
+++ b/backend/migrations/add_modified_on_column.sql
@@ -0,0 +1,8 @@
+-- Add modified_on column to grocery_list table
+ALTER TABLE grocery_list 
+ADD COLUMN modified_on TIMESTAMP DEFAULT NOW();
+
+-- Set modified_on to NOW() for existing records
+UPDATE grocery_list 
+SET modified_on = NOW() 
+WHERE modified_on IS NULL;
diff --git a/backend/models/list.model.js b/backend/models/list.model.js
index ebd4d71..effaf11 100644
--- a/backend/models/list.model.js
+++ b/backend/models/list.model.js
@@ -5,18 +5,19 @@ exports.getUnboughtItems = async () => {
   const result = await pool.query(
     `SELECT 
       gl.id, 
-      gl.item_name, 
+      LOWER(gl.item_name) AS item_name,
       gl.quantity, 
       gl.bought,
       ENCODE(gl.item_image, 'base64') as item_image,
       gl.image_mime_type,
-      ARRAY_AGG(DISTINCT COALESCE(gh_user.name, creator.name)) FILTER (WHERE COALESCE(gh_user.name, creator.name) IS NOT NULL) as added_by_users
+      ARRAY_AGG(DISTINCT COALESCE(gh_user.name, creator.name)) FILTER (WHERE COALESCE(gh_user.name, creator.name) IS NOT NULL) as added_by_users,
+      gl.modified_on as last_added_on
     FROM grocery_list gl
     LEFT JOIN users creator ON gl.added_by = creator.id
     LEFT JOIN grocery_history gh ON gl.id = gh.list_item_id
     LEFT JOIN users gh_user ON gh.added_by = gh_user.id
     WHERE gl.bought = FALSE
-    GROUP BY gl.id, gl.item_name, gl.quantity, gl.bought, gl.item_image, gl.image_mime_type
+    GROUP BY gl.id, gl.item_name, gl.quantity, gl.bought, gl.item_image, gl.image_mime_type, gl.modified_on
     ORDER BY gl.id ASC`
   );
   return result.rows;
@@ -46,7 +47,8 @@ exports.addOrUpdateItem = async (itemName, quantity, userId, imageBuffer = null,
         SET quantity = $1, 
           bought = FALSE,
           item_image = $3,
-          image_mime_type = $4
+          image_mime_type = $4,
+          modified_on = NOW()
         WHERE id = $2`,
         [quantity, result.rows[0].id, imageBuffer, mimeType]
       );
@@ -54,7 +56,8 @@ exports.addOrUpdateItem = async (itemName, quantity, userId, imageBuffer = null,
       await pool.query(
         `UPDATE grocery_list 
         SET quantity = $1, 
-          bought = FALSE 
+          bought = FALSE,
+          modified_on = NOW()
         WHERE id = $2`,
         [quantity, result.rows[0].id]
       );
@@ -74,7 +77,10 @@ exports.addOrUpdateItem = async (itemName, quantity, userId, imageBuffer = null,
 
 
 exports.setBought = async (id, userId) => {
-  await pool.query("UPDATE grocery_list SET bought = TRUE WHERE id = $1", [id]);
+  await pool.query(
+    "UPDATE grocery_list SET bought = TRUE, modified_on = NOW() WHERE id = $1",
+    [id]
+  );
 };
 
 
@@ -99,3 +105,26 @@ exports.getSuggestions = async (query) => {
   return result.rows;
 };
 
+exports.getRecentlyBoughtItems = async () => {
+  const result = await pool.query(
+    `SELECT 
+      gl.id, 
+      LOWER(gl.item_name) AS item_name,
+      gl.quantity, 
+      gl.bought,
+      ENCODE(gl.item_image, 'base64') as item_image,
+      gl.image_mime_type,
+      ARRAY_AGG(DISTINCT COALESCE(gh_user.name, creator.name)) FILTER (WHERE COALESCE(gh_user.name, creator.name) IS NOT NULL) as added_by_users,
+      gl.modified_on as last_added_on
+    FROM grocery_list gl
+    LEFT JOIN users creator ON gl.added_by = creator.id
+    LEFT JOIN grocery_history gh ON gl.id = gh.list_item_id
+    LEFT JOIN users gh_user ON gh.added_by = gh_user.id
+    WHERE gl.bought = TRUE 
+      AND gl.modified_on >= NOW() - INTERVAL '24 hours'
+    GROUP BY gl.id, gl.item_name, gl.quantity, gl.bought, gl.item_image, gl.image_mime_type, gl.modified_on
+    ORDER BY gl.modified_on DESC`
+  );
+  return result.rows;
+};
+
diff --git a/backend/nodemon.json b/backend/nodemon.json
new file mode 100644
index 0000000..dfcea7e
--- /dev/null
+++ b/backend/nodemon.json
@@ -0,0 +1,16 @@
+{
+  "watch": [
+    "**/*.js",
+    ".env"
+  ],
+  "ext": "js,json",
+  "ignore": [
+    "node_modules/**",
+    "dist/**"
+  ],
+  "legacyWatch": true,
+  "verbose": true,
+  "execMap": {
+    "js": "node"
+  }
+}
\ No newline at end of file
diff --git a/backend/routes/list.routes.js b/backend/routes/list.routes.js
index a9f65e1..37d336a 100644
--- a/backend/routes/list.routes.js
+++ b/backend/routes/list.routes.js
@@ -11,6 +11,7 @@ const { upload, processImage } = require("../middleware/image");
 router.get("/", auth, requireRole(...Object.values(ROLES)), controller.getList);
 router.get("/item-by-name", auth, requireRole(...Object.values(ROLES)), controller.getItemByName);
 router.get("/suggest", auth, requireRole(...Object.values(ROLES)), controller.getSuggestions);
+router.get("/recently-bought", auth, requireRole(...Object.values(ROLES)), controller.getRecentlyBought);
 
 
 router.post("/add", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), upload.single("image"), processImage, controller.addItem);
diff --git a/frontend/src/api/list.js b/frontend/src/api/list.js
index e48e575..b247c75 100644
--- a/frontend/src/api/list.js
+++ b/frontend/src/api/list.js
@@ -21,6 +21,7 @@ export const addItem = (itemName, quantity, imageFile = null) => {
 
 export const markBought = (id) => api.post("/list/mark-bought", { id });
 export const getSuggestions = (query) => api.get("/list/suggest", { params: { query: query } });
+export const getRecentlyBought = () => api.get("/list/recently-bought");
 
 export const updateItemImage = (id, itemName, quantity, imageFile) => {
   const formData = new FormData();
diff --git a/frontend/src/components/GroceryListItem.jsx b/frontend/src/components/GroceryListItem.jsx
index 537217f..ed8caa3 100644
--- a/frontend/src/components/GroceryListItem.jsx
+++ b/frontend/src/components/GroceryListItem.jsx
@@ -43,6 +43,25 @@ export default function GroceryListItem({ item, onClick, onImageAdded }) {
     ? `data:${item.image_mime_type};base64,${item.item_image}`
     : null;
 
+  const getTimeAgo = (dateString) => {
+    if (!dateString) return null;
+
+    const addedDate = new Date(dateString);
+    const now = new Date();
+    const diffMs = now - addedDate;
+    const diffDays = Math.floor(diffMs / (1000 * 60 * 60 * 24));
+
+    if (diffDays < 7) {
+      return `${diffDays}d ago`;
+    } else if (diffDays < 30) {
+      const weeks = Math.floor(diffDays / 7);
+      return `${weeks}w ago`;
+    } else {
+      const months = Math.floor(diffDays / 30);
+      return `${months}m ago`;
+    }
+  };
+
   return (
     <>
       <li className="glist-li" onClick={handleItemClick}>
@@ -65,7 +84,8 @@ export default function GroceryListItem({ item, onClick, onImageAdded }) {
             </div>
             {item.added_by_users && item.added_by_users.length > 0 && (
               <div className="glist-item-users">
-                {item.added_by_users.join(", ")}
+                {item.last_added_on && `${getTimeAgo(item.last_added_on)} -- `}
+                {item.added_by_users.join(" • ")}
               </div>
             )}
           </div>
diff --git a/frontend/src/components/ImageModal.jsx b/frontend/src/components/ImageModal.jsx
index 913dd42..2bb4464 100644
--- a/frontend/src/components/ImageModal.jsx
+++ b/frontend/src/components/ImageModal.jsx
@@ -15,10 +15,7 @@ export default function ImageModal({ imageUrl, itemName, onClose }) {
 
   return (
     <div className="image-modal-overlay" onClick={onClose}>
-      <div className="image-modal-content" onClick={(e) => e.stopPropagation()}>
-        <button className="image-modal-close" onClick={onClose}>
-          ×
-        </button>
+      <div className="image-modal-content" onClick={onClose}>
         <img src={imageUrl} alt={itemName} className="image-modal-img" />
         <p className="image-modal-caption">{itemName}</p>
       </div>
diff --git a/frontend/src/pages/GroceryList.jsx b/frontend/src/pages/GroceryList.jsx
index 420c6b5..4ec597f 100644
--- a/frontend/src/pages/GroceryList.jsx
+++ b/frontend/src/pages/GroceryList.jsx
@@ -1,5 +1,5 @@
 import { useContext, useEffect, useState } from "react";
-import { addItem, getItemByName, getList, getSuggestions, markBought, updateItemImage } from "../api/list";
+import { addItem, getItemByName, getList, getRecentlyBought, getSuggestions, markBought, updateItemImage } from "../api/list";
 import AddItemForm from "../components/AddItemForm";
 import FloatingActionButton from "../components/FloatingActionButton";
 import GroceryListItem from "../components/GroceryListItem";
@@ -15,6 +15,7 @@ export default function GroceryList() {
   const { role } = useContext(AuthContext);
 
   const [items, setItems] = useState([]);
+  const [recentlyBoughtItems, setRecentlyBoughtItems] = useState([]);
   const [sortedItems, setSortedItems] = useState([]);
   const [sortMode, setSortMode] = useState("az");
   const [suggestions, setSuggestions] = useState([]);
@@ -34,8 +35,19 @@ export default function GroceryList() {
     setLoading(false);
   };
 
+  const loadRecentlyBought = async () => {
+    try {
+      const res = await getRecentlyBought();
+      setRecentlyBoughtItems(res.data);
+    } catch (error) {
+      console.error("Failed to load recently bought items:", error);
+      setRecentlyBoughtItems([]);
+    }
+  };
+
   useEffect(() => {
     loadItems();
+    loadRecentlyBought();
   }, []);
 
   useEffect(() => {
@@ -190,6 +202,7 @@ export default function GroceryList() {
   const handleBought = async (id, quantity) => {
     await markBought(id);
     loadItems();
+    loadRecentlyBought();
   };
 
   const handleImageAdded = async (id, itemName, quantity, imageFile) => {
@@ -234,6 +247,22 @@ export default function GroceryList() {
             />
           ))}
         </ul>
+
+        {recentlyBoughtItems.length > 0 && (
+          <>
+            <h2 className="glist-section-title">Recently Bought (Last 24 Hours)</h2>
+            <ul className="glist-ul">
+              {recentlyBoughtItems.map((item) => (
+                <GroceryListItem
+                  key={item.id}
+                  item={item}
+                  onClick={null}
+                  onImageAdded={null}
+                />
+              ))}
+            </ul>
+          </>
+        )}
       </div>
 
       {[ROLES.ADMIN, ROLES.EDITOR].includes(role) && (
diff --git a/frontend/src/styles/GroceryList.css b/frontend/src/styles/GroceryList.css
index 59b9abc..803a784 100644
--- a/frontend/src/styles/GroceryList.css
+++ b/frontend/src/styles/GroceryList.css
@@ -21,6 +21,16 @@
   margin-bottom: 0.4em;
 }
 
+.glist-section-title {
+  text-align: center;
+  font-size: 1.2em;
+  margin-top: 2em;
+  margin-bottom: 0.5em;
+  color: #495057;
+  border-top: 2px solid #e0e0e0;
+  padding-top: 1em;
+}
+
 /* Inputs */
 .glist-input {
   font-size: 1em;
@@ -103,9 +113,9 @@
 }
 
 .glist-item-image {
-  width: 80px;
-  height: 80px;
-  min-width: 80px;
+  width: 50px;
+  height: 50px;
+  min-width: 50px;
   background: #f5f5f5;
   border: 2px solid #e0e0e0;
   border-radius: 8px;
@@ -150,8 +160,8 @@
 }
 
 .glist-item-name {
-  font-weight: 600;
-  font-size: 1.1em;
+  font-weight: 800;
+  font-size: 0.8em;
   color: #333;
 }
 
@@ -171,7 +181,7 @@
 }
 
 .glist-item-users {
-  font-size: 0.9em;
+  font-size: 0.7em;
   color: #888;
   font-style: italic;
 }
-- 
2.39.5


From d2824f8aebf82eb15b6e75c649a60f92a6bd19fb Mon Sep 17 00:00:00 2001
From: Nico <Nico>
Date: Fri, 2 Jan 2026 14:27:39 -0800
Subject: [PATCH 3/7] Apply item classification feature

---
 CLASSIFICATION_IMPLEMENTATION.md              | 336 ++++++++++++++++++
 SETUP_CHECKLIST.md                            | 143 ++++++++
 backend/constants/classifications.js          | 133 +++++++
 backend/controllers/lists.controller.js       |  52 +++
 .../create_item_classification_table.sql      |  29 ++
 backend/models/list.model.js                  |  41 +++
 backend/routes/list.routes.js                 |   3 +
 frontend/src/api/list.js                      |   8 +
 .../components/AddItemWithDetailsModal.jsx    | 186 ++++++++++
 frontend/src/components/EditItemModal.jsx     | 164 +++++++++
 frontend/src/components/GroceryListItem.jsx   |  62 +++-
 .../components/ItemClassificationModal.jsx    | 110 ++++++
 frontend/src/constants/classifications.js     | 134 +++++++
 frontend/src/pages/GroceryList.jsx            | 132 +++++--
 .../src/styles/AddItemWithDetailsModal.css    | 218 ++++++++++++
 frontend/src/styles/EditItemModal.css         | 112 ++++++
 .../src/styles/ItemClassificationModal.css    | 102 ++++++
 17 files changed, 1935 insertions(+), 30 deletions(-)
 create mode 100644 CLASSIFICATION_IMPLEMENTATION.md
 create mode 100644 SETUP_CHECKLIST.md
 create mode 100644 backend/constants/classifications.js
 create mode 100644 backend/migrations/create_item_classification_table.sql
 create mode 100644 frontend/src/components/AddItemWithDetailsModal.jsx
 create mode 100644 frontend/src/components/EditItemModal.jsx
 create mode 100644 frontend/src/components/ItemClassificationModal.jsx
 create mode 100644 frontend/src/constants/classifications.js
 create mode 100644 frontend/src/styles/AddItemWithDetailsModal.css
 create mode 100644 frontend/src/styles/EditItemModal.css
 create mode 100644 frontend/src/styles/ItemClassificationModal.css

diff --git a/CLASSIFICATION_IMPLEMENTATION.md b/CLASSIFICATION_IMPLEMENTATION.md
new file mode 100644
index 0000000..3554d60
--- /dev/null
+++ b/CLASSIFICATION_IMPLEMENTATION.md
@@ -0,0 +1,336 @@
+# Item Classification Implementation Guide
+
+## Overview
+This implementation adds a classification system to the grocery app allowing users to categorize items by type, group, and store zone. The system supports both creating new items with classification and editing existing items.
+
+## Database Schema
+
+### New Table: `item_classification`
+```sql
+CREATE TABLE item_classification (
+  id INTEGER PRIMARY KEY REFERENCES grocery_list(id) ON DELETE CASCADE,
+  item_type VARCHAR(50) NOT NULL,
+  item_group VARCHAR(100) NOT NULL,
+  zone VARCHAR(100),
+  confidence DECIMAL(3,2) DEFAULT 1.0,
+  source VARCHAR(20) DEFAULT 'user',
+  created_at TIMESTAMP DEFAULT NOW(),
+  updated_at TIMESTAMP DEFAULT NOW()
+);
+```
+
+**Key Points:**
+- One-to-one relationship with `grocery_list` (id is both PK and FK)
+- Cascade delete ensures classification is removed when item is deleted
+- Classification values are NOT enforced by DB - controlled at app layer
+- `confidence`: 1.0 for user input, lower values reserved for future ML features
+- `source`: 'user', 'ml', or 'default'
+
+## Architecture
+
+### Backend
+
+**Constants** ([backend/constants/classifications.js](backend/constants/classifications.js)):
+- `ITEM_TYPES`: 11 predefined types (produce, meat, dairy, etc.)
+- `ITEM_GROUPS`: Nested object mapping types to their valid groups
+- `ZONES`: 10 Costco store zones
+- Validation helpers: `isValidItemType()`, `isValidItemGroup()`, `isValidZone()`
+
+**Models** ([backend/models/list.model.js](backend/models/list.model.js)):
+- `getClassification(itemId)`: Returns classification for an item or null
+- `upsertClassification(itemId, classification)`: INSERT or UPDATE using ON CONFLICT
+- `updateItem(id, itemName, quantity)`: Update item name/quantity
+
+**Controllers** ([backend/controllers/lists.controller.js](backend/controllers/lists.controller.js)):
+- `getClassification(req, res)`: GET endpoint to fetch classification
+- `updateItemWithClassification(req, res)`: Validates and updates item + classification
+
+**Routes** ([backend/routes/list.routes.js](backend/routes/list.routes.js)):
+- `GET /list/item/:id/classification` - Fetch classification (all roles)
+- `PUT /list/item/:id` - Update item + classification (editor/admin)
+
+### Frontend
+
+**Constants** ([frontend/src/constants/classifications.js](frontend/src/constants/classifications.js)):
+- Mirrors backend constants for UI rendering
+- `getItemTypeLabel()`: Converts type keys to display names
+
+**API Methods** ([frontend/src/api/list.js](frontend/src/api/list.js)):
+- `getClassification(id)`: Fetch classification for item
+- `updateItemWithClassification(id, itemName, quantity, classification)`: Update item
+
+**Components:**
+
+1. **EditItemModal** ([frontend/src/components/EditItemModal.jsx](frontend/src/components/EditItemModal.jsx))
+   - Triggered by long-press (500ms) on any grocery item
+   - Prepopulates with existing item data + classification
+   - Cascading selects: item_type → item_group (filtered) → zone
+   - Validation: Requires item_group if item_type is selected
+   - Upserts classification with confidence=1.0, source='user'
+
+2. **ItemClassificationModal** ([frontend/src/components/ItemClassificationModal.jsx](frontend/src/components/ItemClassificationModal.jsx))
+   - Shown after image upload in new item flow
+   - Required fields: item_type, item_group
+   - Optional: zone
+   - User can skip classification entirely
+
+3. **GroceryListItem** ([frontend/src/components/GroceryListItem.jsx](frontend/src/components/GroceryListItem.jsx))
+   - Long-press detection with 500ms timer
+   - Supports both touch (mobile) and mouse (desktop) events
+   - Cancels long-press if finger/mouse moves >10px
+
+**Main Page** ([frontend/src/pages/GroceryList.jsx](frontend/src/pages/GroceryList.jsx)):
+- Orchestrates all modal flows
+- Add flow: Name → Similar check → Image upload → **Classification** → Save
+- Edit flow: Long-press → Load classification → Edit → Save
+
+## User Flows
+
+### FEATURE 1: Edit Existing Item
+
+**Trigger:** Long-press (500ms) on any item in the list
+
+**Steps:**
+1. User long-presses an item
+2. System fetches existing classification (if any)
+3. EditItemModal opens with prepopulated data
+4. User can edit:
+   - Item name
+   - Quantity
+   - Classification (type, group, zone)
+5. On save:
+   - Updates `grocery_list` if name/quantity changed
+   - UPSERTS `item_classification` if classification provided
+   - Sets confidence=1.0, source='user' for user-edited classification
+
+**Validation:**
+- Item name required
+- Quantity must be ≥ 1
+- If item_type selected, item_group is required
+- item_group options filtered by selected item_type
+
+### FEATURE 2: Add New Item with Classification
+
+**Enhanced flow:**
+1. User enters item name
+2. System checks for similar items (80% threshold)
+3. User confirms/edits name
+4. User uploads image (or skips)
+5. **NEW:** ItemClassificationModal appears
+   - User selects type, group, zone (optional)
+   - Or skips classification
+6. Item saved to `grocery_list`
+7. If classification provided, saved to `item_classification`
+
+## Data Flow Examples
+
+### Adding Item with Classification
+```javascript
+// 1. Add item to grocery_list
+const response = await addItem(itemName, quantity, imageFile);
+
+// 2. Get item ID
+const item = await getItemByName(itemName);
+
+// 3. Add classification
+await updateItemWithClassification(item.id, undefined, undefined, {
+  item_type: 'produce',
+  item_group: 'Fruits',
+  zone: 'Fresh Foods Right'
+});
+```
+
+### Editing Item Classification
+```javascript
+// Update both item data and classification in one call
+await updateItemWithClassification(itemId, newName, newQuantity, {
+  item_type: 'dairy',
+  item_group: 'Cheese',
+  zone: 'Dairy Cooler'
+});
+```
+
+## Backend Request/Response Shapes
+
+### GET /list/item/:id/classification
+**Response:**
+```json
+{
+  "item_type": "produce",
+  "item_group": "Fruits",
+  "zone": "Fresh Foods Right",
+  "confidence": 1.0,
+  "source": "user"
+}
+```
+Or `null` if no classification exists.
+
+### PUT /list/item/:id
+**Request Body:**
+```json
+{
+  "itemName": "Organic Apples",
+  "quantity": 5,
+  "classification": {
+    "item_type": "produce",
+    "item_group": "Organic Produce",
+    "zone": "Fresh Foods Right"
+  }
+}
+```
+
+**Validation:**
+- Validates item_type against allowed values
+- Validates item_group is valid for the selected item_type
+- Validates zone against allowed zones
+- Returns 400 with error message if invalid
+
+**Response:**
+```json
+{
+  "message": "Item updated successfully"
+}
+```
+
+## Setup Instructions
+
+### 1. Run Database Migration
+```bash
+psql -U your_user -d your_database -f backend/migrations/create_item_classification_table.sql
+```
+
+### 2. Restart Backend
+The backend automatically loads the new classification constants and routes.
+
+### 3. Test Flows
+
+**Test Edit:**
+1. Long-press any item in the list
+2. Verify modal opens with item data
+3. Select a type, then a group from filtered list
+4. Save and verify item updates
+
+**Test Add:**
+1. Add a new item
+2. Upload image (or skip)
+3. Verify classification modal appears
+4. Complete classification or skip
+5. Verify item appears in list
+
+## Validation Rules Summary
+
+1. **Item Type → Item Group Dependency**
+   - Must select item_type before item_group becomes available
+   - Item group dropdown shows only groups for selected type
+
+2. **Required Fields**
+   - When creating: item_type and item_group are required
+   - When editing: Classification is optional (can edit name/quantity only)
+
+3. **No Free-Text**
+   - All classification values are select dropdowns
+   - Backend validates against predefined constants
+
+4. **Graceful Handling**
+   - Items without classification display normally
+   - Edit modal works for both classified and unclassified items
+   - Classification is always optional (can be skipped)
+
+## State Management (Frontend)
+
+**GroceryList.jsx state:**
+```javascript
+{
+  showEditModal: false,
+  editingItem: null,  // Item + classification data
+  showClassificationModal: false,
+  classificationPendingItem: {
+    itemName, 
+    quantity, 
+    imageFile
+  }
+}
+```
+
+## Long-Press Implementation Details
+
+**Timing:**
+- Desktop (mouse): 500ms hold
+- Mobile (touch): 500ms hold with <10px movement threshold
+
+**Event Handlers:**
+- `onTouchStart`: Start timer, record position
+- `onTouchMove`: Cancel if movement >10px
+- `onTouchEnd`: Clear timer
+- `onMouseDown`: Start timer
+- `onMouseUp`: Clear timer
+- `onMouseLeave`: Clear timer (prevent stuck state)
+
+## Future Enhancements
+
+1. **ML Predictions**: Use confidence <1.0 and source='ml' for auto-classification
+2. **Bulk Edit**: Select multiple items and apply same classification
+3. **Smart Suggestions**: Learn from user's classification patterns
+4. **Zone Optimization**: Suggest optimal shopping route based on zones
+5. **Analytics**: Most common types/groups, zone coverage
+
+## Troubleshooting
+
+**Issue:** Classification not saving
+- Check browser console for validation errors
+- Verify item_type/item_group combination is valid
+- Ensure item_classification table exists
+
+**Issue:** Long-press not triggering
+- Check that user has editor/admin role
+- Verify onLongPress prop is passed to GroceryListItem
+- Test on both mobile (touch) and desktop (mouse)
+
+**Issue:** Item groups not filtering
+- Verify item_type is selected first
+- Check that ITEM_GROUPS constant has entries for the selected type
+- Ensure state updates are triggering re-render
+
+## Files Modified/Created
+
+### Backend
+- ✅ `backend/constants/classifications.js` (NEW)
+- ✅ `backend/models/list.model.js` (MODIFIED)
+- ✅ `backend/controllers/lists.controller.js` (MODIFIED)
+- ✅ `backend/routes/list.routes.js` (MODIFIED)
+- ✅ `backend/migrations/create_item_classification_table.sql` (NEW)
+
+### Frontend
+- ✅ `frontend/src/constants/classifications.js` (NEW)
+- ✅ `frontend/src/api/list.js` (MODIFIED)
+- ✅ `frontend/src/components/EditItemModal.jsx` (NEW)
+- ✅ `frontend/src/components/ItemClassificationModal.jsx` (NEW)
+- ✅ `frontend/src/components/GroceryListItem.jsx` (MODIFIED)
+- ✅ `frontend/src/pages/GroceryList.jsx` (MODIFIED)
+- ✅ `frontend/src/styles/EditItemModal.css` (NEW)
+- ✅ `frontend/src/styles/ItemClassificationModal.css` (NEW)
+
+## API Summary
+
+| Method | Endpoint | Auth | Description |
+|--------|----------|------|-------------|
+| GET | `/list/item/:id/classification` | All roles | Get item classification |
+| PUT | `/list/item/:id` | Editor/Admin | Update item + classification |
+
+## Database Operations
+
+**Upsert Pattern:**
+```sql
+INSERT INTO item_classification (id, item_type, item_group, zone, confidence, source)
+VALUES ($1, $2, $3, $4, $5, $6)
+ON CONFLICT (id) 
+DO UPDATE SET 
+  item_type = EXCLUDED.item_type,
+  item_group = EXCLUDED.item_group,
+  zone = EXCLUDED.zone,
+  confidence = EXCLUDED.confidence,
+  source = EXCLUDED.source
+RETURNING *;
+```
+
+This ensures we INSERT if no classification exists, or UPDATE if it does.
diff --git a/SETUP_CHECKLIST.md b/SETUP_CHECKLIST.md
new file mode 100644
index 0000000..e97cb54
--- /dev/null
+++ b/SETUP_CHECKLIST.md
@@ -0,0 +1,143 @@
+# Item Classification - Setup Checklist
+
+## 🚀 Quick Start
+
+### Step 1: Run Database Migration
+```bash
+# Connect to your PostgreSQL database and run:
+psql -U your_username -d your_database_name -f backend/migrations/create_item_classification_table.sql
+
+# Or copy-paste the SQL directly into your database client
+```
+
+### Step 2: Restart Docker Containers
+```bash
+# From project root:
+docker-compose -f docker-compose.dev.yml down
+docker-compose -f docker-compose.dev.yml up --build
+```
+
+### Step 3: Test the Features
+
+#### ✅ Test Edit Flow (Long-Press)
+1. Open the app and navigate to your grocery list
+2. **Long-press** (500ms) on any existing item
+3. EditItemModal should open with prepopulated data
+4. Try selecting:
+   - Item Type: "Produce"
+   - Item Group: "Fruits" (filtered by type)
+   - Zone: "Fresh Foods Right" (optional)
+5. Click "Save Changes"
+6. Item should update successfully
+
+#### ✅ Test Add Flow (with Classification)
+1. Click the "+" button to add a new item
+2. Enter item name: "Organic Bananas"
+3. Set quantity: 3
+4. Click "Add Item"
+5. Upload an image (or skip)
+6. **NEW:** ItemClassificationModal appears
+7. Select:
+   - Item Type: "Produce"
+   - Item Group: "Organic Produce"
+   - Zone: "Fresh Foods Right"
+8. Click "Confirm"
+9. Item should appear in list
+
+#### ✅ Test Skip Classification
+1. Add a new item
+2. Upload/skip image
+3. When ItemClassificationModal appears, click "Skip for Now"
+4. Item should be added without classification
+5. Long-press the item to add classification later
+
+## 🐛 Common Issues
+
+### Long-press not working?
+- Make sure you're logged in as editor or admin
+- Try both mobile (touch) and desktop (mouse)
+- Check browser console for errors
+
+### Classification not saving?
+- Verify database migration was successful
+- Check that item_classification table exists
+- Look for validation errors in browser console
+
+### Item groups not showing?
+- Ensure you selected an item type first
+- The groups are filtered by the selected type
+
+## 📊 What Was Implemented
+
+### Backend (Node.js + Express + PostgreSQL)
+- ✅ Classification constants with validation helpers
+- ✅ Database model methods (getClassification, upsertClassification, updateItem)
+- ✅ API endpoints (GET /list/item/:id/classification, PUT /list/item/:id)
+- ✅ Controller with validation logic
+- ✅ Database migration script
+
+### Frontend (React + TypeScript)
+- ✅ Classification constants (mirrored from backend)
+- ✅ EditItemModal component with cascading selects
+- ✅ ItemClassificationModal for new items
+- ✅ Long-press detection (500ms) on GroceryListItem
+- ✅ Enhanced add flow with classification step
+- ✅ API integration methods
+
+## 📝 Key Features
+
+1. **Edit Existing Items**
+   - Long-press any item (bought or unbought)
+   - Edit name, quantity, and classification
+   - Classification is optional
+
+2. **Classify New Items**
+   - After image upload, classification step appears
+   - Can skip classification if desired
+   - Required: item_type and item_group
+   - Optional: zone
+
+3. **Smart Filtering**
+   - Item groups filtered by selected item type
+   - Only valid combinations allowed
+   - No free-text entry
+
+4. **Confidence Tracking**
+   - User-provided: confidence=1.0, source='user'
+   - Ready for future ML features (confidence<1.0, source='ml')
+
+## 📖 Full Documentation
+
+See [CLASSIFICATION_IMPLEMENTATION.md](CLASSIFICATION_IMPLEMENTATION.md) for:
+- Complete architecture details
+- API request/response examples
+- Data flow diagrams
+- Troubleshooting guide
+- Future enhancement ideas
+
+## 🎯 Next Steps
+
+1. Run the database migration (Step 1 above)
+2. Restart your containers (Step 2 above)
+3. Test both flows (Step 3 above)
+4. Optionally: Customize the classification constants in:
+   - `backend/constants/classifications.js`
+   - `frontend/src/constants/classifications.js`
+
+## ⚡ Pro Tips
+
+- **Long-press timing**: 500ms - not too fast, not too slow
+- **Movement threshold**: Keep finger/mouse within 10px to trigger
+- **Desktop testing**: Hold mouse button down for 500ms
+- **Skip button**: Always available - classification is never forced
+- **Edit anytime**: Long-press to edit classification after creation
+
+## 🎨 UI/UX Notes
+
+- **EditItemModal**: Full-screen on mobile, centered card on desktop
+- **ItemClassificationModal**: Appears after image upload (seamless flow)
+- **Long-press**: Provides haptic feedback on supported devices
+- **Validation**: Inline validation with user-friendly error messages
+- **Loading states**: "Saving..." text during API calls
+
+Enjoy your new classification system! 🎉
diff --git a/backend/constants/classifications.js b/backend/constants/classifications.js
new file mode 100644
index 0000000..eacac75
--- /dev/null
+++ b/backend/constants/classifications.js
@@ -0,0 +1,133 @@
+// Backend classification constants (mirror of frontend)
+
+const ITEM_TYPES = {
+  PRODUCE: "produce",
+  MEAT: "meat",
+  DAIRY: "dairy",
+  BAKERY: "bakery",
+  FROZEN: "frozen",
+  PANTRY: "pantry",
+  BEVERAGE: "beverage",
+  SNACK: "snack",
+  HOUSEHOLD: "household",
+  PERSONAL_CARE: "personal_care",
+  OTHER: "other",
+};
+
+const ITEM_GROUPS = {
+  [ITEM_TYPES.PRODUCE]: [
+    "Fruits",
+    "Vegetables",
+    "Salad Mix",
+    "Herbs",
+    "Organic Produce",
+  ],
+  [ITEM_TYPES.MEAT]: [
+    "Beef",
+    "Pork",
+    "Chicken",
+    "Seafood",
+    "Deli Meat",
+    "Prepared Meat",
+  ],
+  [ITEM_TYPES.DAIRY]: [
+    "Milk",
+    "Cheese",
+    "Yogurt",
+    "Butter",
+    "Eggs",
+    "Cream",
+  ],
+  [ITEM_TYPES.BAKERY]: [
+    "Bread",
+    "Rolls",
+    "Pastries",
+    "Cakes",
+    "Bagels",
+    "Tortillas",
+  ],
+  [ITEM_TYPES.FROZEN]: [
+    "Frozen Meals",
+    "Ice Cream",
+    "Frozen Vegetables",
+    "Frozen Meat",
+    "Pizza",
+    "Desserts",
+  ],
+  [ITEM_TYPES.PANTRY]: [
+    "Canned Goods",
+    "Pasta",
+    "Rice",
+    "Cereal",
+    "Condiments",
+    "Spices",
+    "Baking",
+    "Oils",
+  ],
+  [ITEM_TYPES.BEVERAGE]: [
+    "Water",
+    "Soda",
+    "Juice",
+    "Coffee",
+    "Tea",
+    "Alcohol",
+    "Sports Drinks",
+  ],
+  [ITEM_TYPES.SNACK]: [
+    "Chips",
+    "Crackers",
+    "Nuts",
+    "Candy",
+    "Cookies",
+    "Protein Bars",
+  ],
+  [ITEM_TYPES.HOUSEHOLD]: [
+    "Cleaning Supplies",
+    "Paper Products",
+    "Laundry",
+    "Kitchen Items",
+    "Storage",
+  ],
+  [ITEM_TYPES.PERSONAL_CARE]: [
+    "Bath & Body",
+    "Hair Care",
+    "Oral Care",
+    "Skincare",
+    "Health",
+  ],
+  [ITEM_TYPES.OTHER]: [
+    "Miscellaneous",
+  ],
+};
+
+const ZONES = [
+  "Front Entry",
+  "Fresh Foods Right",
+  "Fresh Foods Left",
+  "Center Aisles",
+  "Bakery",
+  "Meat Department",
+  "Dairy Cooler",
+  "Freezer Section",
+  "Back Wall",
+  "Checkout Area",
+];
+
+// Validation helpers
+const isValidItemType = (type) => Object.values(ITEM_TYPES).includes(type);
+
+const isValidItemGroup = (type, group) => {
+  if (!isValidItemType(type)) return false;
+  return ITEM_GROUPS[type]?.includes(group) || false;
+};
+
+const isValidZone = (zone) => ZONES.includes(zone);
+
+module.exports = {
+  ITEM_TYPES,
+  ITEM_GROUPS,
+  ZONES,
+  isValidItemType,
+  isValidItemGroup,
+  isValidZone,
+};
diff --git a/backend/controllers/lists.controller.js b/backend/controllers/lists.controller.js
index da6316b..8f7a4a4 100644
--- a/backend/controllers/lists.controller.js
+++ b/backend/controllers/lists.controller.js
@@ -1,4 +1,5 @@
 const List = require("../models/list.model");
+const { isValidItemType, isValidItemGroup, isValidZone } = require("../constants/classifications");
 
 
 exports.getList = async (req, res) => {
@@ -63,4 +64,55 @@ exports.updateItemImage = async (req, res) => {
   await List.addOrUpdateItem(itemName, quantity, userId, imageBuffer, mimeType);
 
   res.json({ message: "Image updated successfully" });
+};
+
+exports.getClassification = async (req, res) => {
+  const { id } = req.params;
+  const classification = await List.getClassification(id);
+  res.json(classification);
+};
+
+exports.updateItemWithClassification = async (req, res) => {
+  const { id } = req.params;
+  const { itemName, quantity, classification } = req.body;
+  const userId = req.user.id;
+
+  try {
+    // Update item name and quantity if changed
+    if (itemName !== undefined || quantity !== undefined) {
+      await List.updateItem(id, itemName, quantity);
+    }
+
+    // Update classification if provided
+    if (classification) {
+      const { item_type, item_group, zone } = classification;
+
+      // Validate classification data
+      if (item_type && !isValidItemType(item_type)) {
+        return res.status(400).json({ message: "Invalid item_type" });
+      }
+
+      if (item_group && !isValidItemGroup(item_type, item_group)) {
+        return res.status(400).json({ message: "Invalid item_group for selected item_type" });
+      }
+
+      if (zone && !isValidZone(zone)) {
+        return res.status(400).json({ message: "Invalid zone" });
+      }
+
+      // Upsert classification with confidence=1.0 and source='user'
+      await List.upsertClassification(id, {
+        item_type,
+        item_group,
+        zone: zone || null,
+        confidence: 1.0,
+        source: 'user'
+      });
+    }
+
+    res.json({ message: "Item updated successfully" });
+  } catch (error) {
+    console.error("Error updating item with classification:", error);
+    res.status(500).json({ message: "Failed to update item" });
+  }
 };
\ No newline at end of file
diff --git a/backend/migrations/create_item_classification_table.sql b/backend/migrations/create_item_classification_table.sql
new file mode 100644
index 0000000..effc63a
--- /dev/null
+++ b/backend/migrations/create_item_classification_table.sql
@@ -0,0 +1,29 @@
+-- Migration: Create item_classification table
+-- This table stores classification data for items in the grocery_list table
+-- Each row in grocery_list can have ONE corresponding classification row
+
+CREATE TABLE IF NOT EXISTS item_classification (
+  id INTEGER PRIMARY KEY REFERENCES grocery_list(id) ON DELETE CASCADE,
+  item_type VARCHAR(50) NOT NULL,
+  item_group VARCHAR(100) NOT NULL,
+  zone VARCHAR(100),
+  confidence DECIMAL(3,2) DEFAULT 1.0 CHECK (confidence >= 0 AND confidence <= 1),
+  source VARCHAR(20) DEFAULT 'user' CHECK (source IN ('user', 'ml', 'default')),
+  created_at TIMESTAMP DEFAULT NOW(),
+  updated_at TIMESTAMP DEFAULT NOW()
+);
+
+-- Index for faster lookups by type
+CREATE INDEX IF NOT EXISTS idx_item_classification_type ON item_classification(item_type);
+
+-- Index for zone-based queries
+CREATE INDEX IF NOT EXISTS idx_item_classification_zone ON item_classification(zone);
+
+-- Comments
+COMMENT ON TABLE item_classification IS 'Stores classification metadata for grocery list items';
+COMMENT ON COLUMN item_classification.id IS 'Foreign key to grocery_list.id (one-to-one relationship)';
+COMMENT ON COLUMN item_classification.item_type IS 'High-level category (produce, meat, dairy, etc.)';
+COMMENT ON COLUMN item_classification.item_group IS 'Subcategory within item_type (filtered by type)';
+COMMENT ON COLUMN item_classification.zone IS 'Store zone/location (optional)';
+COMMENT ON COLUMN item_classification.confidence IS 'Confidence score 0-1 (1.0 for user-provided, lower for ML-predicted)';
+COMMENT ON COLUMN item_classification.source IS 'Source of classification: user, ml, or default';
diff --git a/backend/models/list.model.js b/backend/models/list.model.js
index effaf11..64a06f6 100644
--- a/backend/models/list.model.js
+++ b/backend/models/list.model.js
@@ -128,3 +128,44 @@ exports.getRecentlyBoughtItems = async () => {
   return result.rows;
 };
 
+// Classification methods
+exports.getClassification = async (itemId) => {
+  const result = await pool.query(
+    `SELECT item_type, item_group, zone, confidence, source
+     FROM item_classification
+     WHERE id = $1`,
+    [itemId]
+  );
+  return result.rows[0] || null;
+};
+
+exports.upsertClassification = async (itemId, classification) => {
+  const { item_type, item_group, zone, confidence, source } = classification;
+
+  const result = await pool.query(
+    `INSERT INTO item_classification (id, item_type, item_group, zone, confidence, source)
+     VALUES ($1, $2, $3, $4, $5, $6)
+     ON CONFLICT (id) 
+     DO UPDATE SET 
+       item_type = EXCLUDED.item_type,
+       item_group = EXCLUDED.item_group,
+       zone = EXCLUDED.zone,
+       confidence = EXCLUDED.confidence,
+       source = EXCLUDED.source
+     RETURNING *`,
+    [itemId, item_type, item_group, zone, confidence, source]
+  );
+  return result.rows[0];
+};
+
+exports.updateItem = async (id, itemName, quantity) => {
+  const result = await pool.query(
+    `UPDATE grocery_list 
+     SET item_name = $2, quantity = $3, modified_on = NOW()
+     WHERE id = $1
+     RETURNING *`,
+    [id, itemName, quantity]
+  );
+  return result.rows[0];
+};
+
diff --git a/backend/routes/list.routes.js b/backend/routes/list.routes.js
index 37d336a..bcd6063 100644
--- a/backend/routes/list.routes.js
+++ b/backend/routes/list.routes.js
@@ -12,11 +12,14 @@ router.get("/", auth, requireRole(...Object.values(ROLES)), controller.getList);
 router.get("/item-by-name", auth, requireRole(...Object.values(ROLES)), controller.getItemByName);
 router.get("/suggest", auth, requireRole(...Object.values(ROLES)), controller.getSuggestions);
 router.get("/recently-bought", auth, requireRole(...Object.values(ROLES)), controller.getRecentlyBought);
+router.get("/item/:id/classification", auth, requireRole(...Object.values(ROLES)), controller.getClassification);
 
 
 router.post("/add", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), upload.single("image"), processImage, controller.addItem);
 router.post("/update-image", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), upload.single("image"), processImage, controller.updateItemImage);
 router.post("/mark-bought", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), controller.markBought);
 
+router.put("/item/:id", auth, requireRole(ROLES.EDITOR, ROLES.ADMIN), controller.updateItemWithClassification);
+
 
 module.exports = router;
diff --git a/frontend/src/api/list.js b/frontend/src/api/list.js
index b247c75..22b8ce6 100644
--- a/frontend/src/api/list.js
+++ b/frontend/src/api/list.js
@@ -18,7 +18,15 @@ export const addItem = (itemName, quantity, imageFile = null) => {
     },
   });
 };
+export const getClassification = (id) => api.get(`/list/item/${id}/classification`);
 
+export const updateItemWithClassification = (id, itemName, quantity, classification) => {
+  return api.put(`/list/item/${id}`, {
+    itemName,
+    quantity,
+    classification
+  });
+};
 export const markBought = (id) => api.post("/list/mark-bought", { id });
 export const getSuggestions = (query) => api.get("/list/suggest", { params: { query: query } });
 export const getRecentlyBought = () => api.get("/list/recently-bought");
diff --git a/frontend/src/components/AddItemWithDetailsModal.jsx b/frontend/src/components/AddItemWithDetailsModal.jsx
new file mode 100644
index 0000000..d078651
--- /dev/null
+++ b/frontend/src/components/AddItemWithDetailsModal.jsx
@@ -0,0 +1,186 @@
+import { useRef, useState } from "react";
+import { ITEM_GROUPS, ITEM_TYPES, ZONES, getItemTypeLabel } from "../constants/classifications";
+import "../styles/AddItemWithDetailsModal.css";
+
+export default function AddItemWithDetailsModal({ itemName, onConfirm, onSkip, onCancel }) {
+  const [selectedImage, setSelectedImage] = useState(null);
+  const [imagePreview, setImagePreview] = useState(null);
+  const [itemType, setItemType] = useState("");
+  const [itemGroup, setItemGroup] = useState("");
+  const [zone, setZone] = useState("");
+
+  const cameraInputRef = useRef(null);
+  const galleryInputRef = useRef(null);
+
+  const handleImageChange = (e) => {
+    const file = e.target.files[0];
+    if (file) {
+      setSelectedImage(file);
+      const reader = new FileReader();
+      reader.onloadend = () => {
+        setImagePreview(reader.result);
+      };
+      reader.readAsDataURL(file);
+    }
+  };
+
+  const removeImage = () => {
+    setSelectedImage(null);
+    setImagePreview(null);
+  };
+
+  const handleItemTypeChange = (e) => {
+    const newType = e.target.value;
+    setItemType(newType);
+    // Reset item group when type changes
+    setItemGroup("");
+  };
+
+  const handleConfirm = () => {
+    // Validate classification if provided
+    if (itemType && !itemGroup) {
+      alert("Please select an item group");
+      return;
+    }
+
+    const classification = itemType ? {
+      item_type: itemType,
+      item_group: itemGroup,
+      zone: zone || null
+    } : null;
+
+    onConfirm(selectedImage, classification);
+  };
+
+  const handleSkip = () => {
+    onSkip();
+  };
+
+  const handleCameraClick = () => {
+    cameraInputRef.current?.click();
+  };
+
+  const handleGalleryClick = () => {
+    galleryInputRef.current?.click();
+  };
+
+  const availableGroups = itemType ? ITEM_GROUPS[itemType] || [] : [];
+
+  return (
+    <div className="add-item-details-overlay" onClick={onCancel}>
+      <div className="add-item-details-modal" onClick={(e) => e.stopPropagation()}>
+        <h2 className="add-item-details-title">Add Details for "{itemName}"</h2>
+        <p className="add-item-details-subtitle">Add an image and classification to help organize your list</p>
+
+        {/* Image Section */}
+        <div className="add-item-details-section">
+          <h3 className="add-item-details-section-title">Item Image (Optional)</h3>
+          <div className="add-item-details-image-content">
+            {!imagePreview ? (
+              <div className="add-item-details-image-options">
+                <button onClick={handleCameraClick} className="add-item-details-image-btn camera">
+                  📷 Use Camera
+                </button>
+                <button onClick={handleGalleryClick} className="add-item-details-image-btn gallery">
+                  🖼️ Choose from Gallery
+                </button>
+              </div>
+            ) : (
+              <div className="add-item-details-image-preview">
+                <img src={imagePreview} alt="Preview" />
+                <button type="button" onClick={removeImage} className="add-item-details-remove-image">
+                  × Remove
+                </button>
+              </div>
+            )}
+          </div>
+
+          <input
+            ref={cameraInputRef}
+            type="file"
+            accept="image/*"
+            capture="environment"
+            onChange={handleImageChange}
+            style={{ display: "none" }}
+          />
+
+          <input
+            ref={galleryInputRef}
+            type="file"
+            accept="image/*"
+            onChange={handleImageChange}
+            style={{ display: "none" }}
+          />
+        </div>
+
+        {/* Classification Section */}
+        <div className="add-item-details-section">
+          <h3 className="add-item-details-section-title">Item Classification (Optional)</h3>
+
+          <div className="add-item-details-field">
+            <label>Item Type</label>
+            <select
+              value={itemType}
+              onChange={handleItemTypeChange}
+              className="add-item-details-select"
+            >
+              <option value="">-- Select Type --</option>
+              {Object.values(ITEM_TYPES).map((type) => (
+                <option key={type} value={type}>
+                  {getItemTypeLabel(type)}
+                </option>
+              ))}
+            </select>
+          </div>
+
+          {itemType && (
+            <div className="add-item-details-field">
+              <label>Item Group</label>
+              <select
+                value={itemGroup}
+                onChange={(e) => setItemGroup(e.target.value)}
+                className="add-item-details-select"
+              >
+                <option value="">-- Select Group --</option>
+                {availableGroups.map((group) => (
+                  <option key={group} value={group}>
+                    {group}
+                  </option>
+                ))}
+              </select>
+            </div>
+          )}
+
+          <div className="add-item-details-field">
+            <label>Store Zone</label>
+            <select
+              value={zone}
+              onChange={(e) => setZone(e.target.value)}
+              className="add-item-details-select"
+            >
+              <option value="">-- Select Zone --</option>
+              {ZONES.map((z) => (
+                <option key={z} value={z}>
+                  {z}
+                </option>
+              ))}
+            </select>
+          </div>
+        </div>
+
+        {/* Actions */}
+        <div className="add-item-details-actions">
+          <button onClick={onCancel} className="add-item-details-btn cancel">
+            Cancel
+          </button>
+          <button onClick={handleSkip} className="add-item-details-btn skip">
+            Skip All
+          </button>
+          <button onClick={handleConfirm} className="add-item-details-btn confirm">
+            Add Item
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/EditItemModal.jsx b/frontend/src/components/EditItemModal.jsx
new file mode 100644
index 0000000..62a8dcd
--- /dev/null
+++ b/frontend/src/components/EditItemModal.jsx
@@ -0,0 +1,164 @@
+import { useEffect, useState } from "react";
+import { ITEM_GROUPS, ITEM_TYPES, ZONES, getItemTypeLabel } from "../constants/classifications";
+import "../styles/EditItemModal.css";
+
+export default function EditItemModal({ item, onSave, onCancel }) {
+  const [itemName, setItemName] = useState(item.item_name || "");
+  const [quantity, setQuantity] = useState(item.quantity || 1);
+  const [itemType, setItemType] = useState("");
+  const [itemGroup, setItemGroup] = useState("");
+  const [zone, setZone] = useState("");
+  const [loading, setLoading] = useState(false);
+
+  // Load existing classification
+  useEffect(() => {
+    if (item.classification) {
+      setItemType(item.classification.item_type || "");
+      setItemGroup(item.classification.item_group || "");
+      setZone(item.classification.zone || "");
+    }
+  }, [item]);
+
+  const handleItemTypeChange = (e) => {
+    const newType = e.target.value;
+    setItemType(newType);
+    // Reset item group when type changes
+    setItemGroup("");
+  };
+
+  const handleSave = async () => {
+    if (!itemName.trim()) {
+      alert("Item name is required");
+      return;
+    }
+
+    if (quantity < 1) {
+      alert("Quantity must be at least 1");
+      return;
+    }
+
+    // If classification fields are filled, validate them
+    if (itemType && !itemGroup) {
+      alert("Please select an item group");
+      return;
+    }
+
+    setLoading(true);
+    try {
+      const classification = itemType ? {
+        item_type: itemType,
+        item_group: itemGroup,
+        zone: zone || null
+      } : null;
+
+      await onSave(item.id, itemName, quantity, classification);
+    } catch (error) {
+      console.error("Failed to save:", error);
+      alert("Failed to save changes");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const availableGroups = itemType ? ITEM_GROUPS[itemType] || [] : [];
+
+  return (
+    <div className="edit-modal-overlay" onClick={onCancel}>
+      <div className="edit-modal-content" onClick={(e) => e.stopPropagation()}>
+        <h2 className="edit-modal-title">Edit Item</h2>
+
+        <div className="edit-modal-field">
+          <label>Item Name</label>
+          <input
+            type="text"
+            value={itemName}
+            onChange={(e) => setItemName(e.target.value)}
+            className="edit-modal-input"
+          />
+        </div>
+
+        <div className="edit-modal-field">
+          <label>Quantity</label>
+          <input
+            type="number"
+            min="1"
+            value={quantity}
+            onChange={(e) => setQuantity(parseInt(e.target.value))}
+            className="edit-modal-input"
+          />
+        </div>
+
+        <div className="edit-modal-divider" />
+
+        <h3 className="edit-modal-subtitle">Item Classification</h3>
+
+        <div className="edit-modal-field">
+          <label>Item Type</label>
+          <select
+            value={itemType}
+            onChange={handleItemTypeChange}
+            className="edit-modal-select"
+          >
+            <option value="">-- Select Type --</option>
+            {Object.values(ITEM_TYPES).map((type) => (
+              <option key={type} value={type}>
+                {getItemTypeLabel(type)}
+              </option>
+            ))}
+          </select>
+        </div>
+
+        {itemType && (
+          <div className="edit-modal-field">
+            <label>Item Group</label>
+            <select
+              value={itemGroup}
+              onChange={(e) => setItemGroup(e.target.value)}
+              className="edit-modal-select"
+            >
+              <option value="">-- Select Group --</option>
+              {availableGroups.map((group) => (
+                <option key={group} value={group}>
+                  {group}
+                </option>
+              ))}
+            </select>
+          </div>
+        )}
+
+        <div className="edit-modal-field">
+          <label>Zone (Optional)</label>
+          <select
+            value={zone}
+            onChange={(e) => setZone(e.target.value)}
+            className="edit-modal-select"
+          >
+            <option value="">-- Select Zone --</option>
+            {ZONES.map((z) => (
+              <option key={z} value={z}>
+                {z}
+              </option>
+            ))}
+          </select>
+        </div>
+
+        <div className="edit-modal-actions">
+          <button
+            className="edit-modal-btn edit-modal-btn-cancel"
+            onClick={onCancel}
+            disabled={loading}
+          >
+            Cancel
+          </button>
+          <button
+            className="edit-modal-btn edit-modal-btn-save"
+            onClick={handleSave}
+            disabled={loading}
+          >
+            {loading ? "Saving..." : "Save Changes"}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/GroceryListItem.jsx b/frontend/src/components/GroceryListItem.jsx
index ed8caa3..7500436 100644
--- a/frontend/src/components/GroceryListItem.jsx
+++ b/frontend/src/components/GroceryListItem.jsx
@@ -1,13 +1,60 @@
-import { useState } from "react";
+import { useRef, useState } from "react";
 import AddImageModal from "./AddImageModal";
 import ConfirmBuyModal from "./ConfirmBuyModal";
 import ImageModal from "./ImageModal";
 
-export default function GroceryListItem({ item, onClick, onImageAdded }) {
+export default function GroceryListItem({ item, onClick, onImageAdded, onLongPress }) {
   const [showModal, setShowModal] = useState(false);
   const [showAddImageModal, setShowAddImageModal] = useState(false);
   const [showConfirmBuyModal, setShowConfirmBuyModal] = useState(false);
 
+  const longPressTimer = useRef(null);
+  const pressStartPos = useRef({ x: 0, y: 0 });
+
+  const handleTouchStart = (e) => {
+    const touch = e.touches[0];
+    pressStartPos.current = { x: touch.clientX, y: touch.clientY };
+
+    longPressTimer.current = setTimeout(() => {
+      if (onLongPress) {
+        onLongPress(item);
+      }
+    }, 500); // 500ms for long press
+  };
+
+  const handleTouchMove = (e) => {
+    // Cancel long press if finger moves too much
+    const touch = e.touches[0];
+    const moveDistance = Math.sqrt(
+      Math.pow(touch.clientX - pressStartPos.current.x, 2) +
+      Math.pow(touch.clientY - pressStartPos.current.y, 2)
+    );
+
+    if (moveDistance > 10) {
+      clearTimeout(longPressTimer.current);
+    }
+  };
+
+  const handleTouchEnd = () => {
+    clearTimeout(longPressTimer.current);
+  };
+
+  const handleMouseDown = () => {
+    longPressTimer.current = setTimeout(() => {
+      if (onLongPress) {
+        onLongPress(item);
+      }
+    }, 500);
+  };
+
+  const handleMouseUp = () => {
+    clearTimeout(longPressTimer.current);
+  };
+
+  const handleMouseLeave = () => {
+    clearTimeout(longPressTimer.current);
+  };
+
   const handleItemClick = () => {
     setShowConfirmBuyModal(true);
   };
@@ -64,7 +111,16 @@ export default function GroceryListItem({ item, onClick, onImageAdded }) {
 
   return (
     <>
-      <li className="glist-li" onClick={handleItemClick}>
+      <li
+        className="glist-li"
+        onClick={handleItemClick}
+        onTouchStart={handleTouchStart}
+        onTouchMove={handleTouchMove}
+        onTouchEnd={handleTouchEnd}
+        onMouseDown={handleMouseDown}
+        onMouseUp={handleMouseUp}
+        onMouseLeave={handleMouseLeave}
+      >
         <div className="glist-item-layout">
           <div
             className={`glist-item-image ${item.item_image ? "has-image" : ""}`}
diff --git a/frontend/src/components/ItemClassificationModal.jsx b/frontend/src/components/ItemClassificationModal.jsx
new file mode 100644
index 0000000..9839134
--- /dev/null
+++ b/frontend/src/components/ItemClassificationModal.jsx
@@ -0,0 +1,110 @@
+import { useState } from "react";
+import { ITEM_GROUPS, ITEM_TYPES, ZONES, getItemTypeLabel } from "../constants/classifications";
+import "../styles/ItemClassificationModal.css";
+
+export default function ItemClassificationModal({ itemName, onConfirm, onSkip }) {
+  const [itemType, setItemType] = useState("");
+  const [itemGroup, setItemGroup] = useState("");
+  const [zone, setZone] = useState("");
+
+  const handleItemTypeChange = (e) => {
+    const newType = e.target.value;
+    setItemType(newType);
+    // Reset item group when type changes
+    setItemGroup("");
+  };
+
+  const handleConfirm = () => {
+    if (!itemType) {
+      alert("Please select an item type");
+      return;
+    }
+
+    if (!itemGroup) {
+      alert("Please select an item group");
+      return;
+    }
+
+    onConfirm({
+      item_type: itemType,
+      item_group: itemGroup,
+      zone: zone || null
+    });
+  };
+
+  const availableGroups = itemType ? ITEM_GROUPS[itemType] || [] : [];
+
+  return (
+    <div className="classification-modal-overlay">
+      <div className="classification-modal-content">
+        <h2 className="classification-modal-title">Classify Item</h2>
+        <p className="classification-modal-subtitle">Help organize "{itemName}" in your list</p>
+
+        <div className="classification-modal-field">
+          <label>Item Type <span className="required">*</span></label>
+          <select
+            value={itemType}
+            onChange={handleItemTypeChange}
+            className="classification-modal-select"
+          >
+            <option value="">-- Select Type --</option>
+            {Object.values(ITEM_TYPES).map((type) => (
+              <option key={type} value={type}>
+                {getItemTypeLabel(type)}
+              </option>
+            ))}
+          </select>
+        </div>
+
+        {itemType && (
+          <div className="classification-modal-field">
+            <label>Item Group <span className="required">*</span></label>
+            <select
+              value={itemGroup}
+              onChange={(e) => setItemGroup(e.target.value)}
+              className="classification-modal-select"
+            >
+              <option value="">-- Select Group --</option>
+              {availableGroups.map((group) => (
+                <option key={group} value={group}>
+                  {group}
+                </option>
+              ))}
+            </select>
+          </div>
+        )}
+
+        <div className="classification-modal-field">
+          <label>Store Zone (Optional)</label>
+          <select
+            value={zone}
+            onChange={(e) => setZone(e.target.value)}
+            className="classification-modal-select"
+          >
+            <option value="">-- Select Zone --</option>
+            {ZONES.map((z) => (
+              <option key={z} value={z}>
+                {z}
+              </option>
+            ))}
+          </select>
+        </div>
+
+        <div className="classification-modal-actions">
+          <button
+            className="classification-modal-btn classification-modal-btn-skip"
+            onClick={onSkip}
+          >
+            Skip for Now
+          </button>
+          <button
+            className="classification-modal-btn classification-modal-btn-confirm"
+            onClick={handleConfirm}
+          >
+            Confirm
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/constants/classifications.js b/frontend/src/constants/classifications.js
new file mode 100644
index 0000000..60e50a8
--- /dev/null
+++ b/frontend/src/constants/classifications.js
@@ -0,0 +1,134 @@
+// Item classification constants - app-level controlled values
+
+export const ITEM_TYPES = {
+  PRODUCE: "produce",
+  MEAT: "meat",
+  DAIRY: "dairy",
+  BAKERY: "bakery",
+  FROZEN: "frozen",
+  PANTRY: "pantry",
+  BEVERAGE: "beverage",
+  SNACK: "snack",
+  HOUSEHOLD: "household",
+  PERSONAL_CARE: "personal_care",
+  OTHER: "other",
+};
+
+// Item groups filtered by item type
+export const ITEM_GROUPS = {
+  [ITEM_TYPES.PRODUCE]: [
+    "Fruits",
+    "Vegetables",
+    "Salad Mix",
+    "Herbs",
+    "Organic Produce",
+  ],
+  [ITEM_TYPES.MEAT]: [
+    "Beef",
+    "Pork",
+    "Chicken",
+    "Seafood",
+    "Deli Meat",
+    "Prepared Meat",
+  ],
+  [ITEM_TYPES.DAIRY]: [
+    "Milk",
+    "Cheese",
+    "Yogurt",
+    "Butter",
+    "Eggs",
+    "Cream",
+  ],
+  [ITEM_TYPES.BAKERY]: [
+    "Bread",
+    "Rolls",
+    "Pastries",
+    "Cakes",
+    "Bagels",
+    "Tortillas",
+  ],
+  [ITEM_TYPES.FROZEN]: [
+    "Frozen Meals",
+    "Ice Cream",
+    "Frozen Vegetables",
+    "Frozen Meat",
+    "Pizza",
+    "Desserts",
+  ],
+  [ITEM_TYPES.PANTRY]: [
+    "Canned Goods",
+    "Pasta",
+    "Rice",
+    "Cereal",
+    "Condiments",
+    "Spices",
+    "Baking",
+    "Oils",
+  ],
+  [ITEM_TYPES.BEVERAGE]: [
+    "Water",
+    "Soda",
+    "Juice",
+    "Coffee",
+    "Tea",
+    "Alcohol",
+    "Sports Drinks",
+  ],
+  [ITEM_TYPES.SNACK]: [
+    "Chips",
+    "Crackers",
+    "Nuts",
+    "Candy",
+    "Cookies",
+    "Protein Bars",
+  ],
+  [ITEM_TYPES.HOUSEHOLD]: [
+    "Cleaning Supplies",
+    "Paper Products",
+    "Laundry",
+    "Kitchen Items",
+    "Storage",
+  ],
+  [ITEM_TYPES.PERSONAL_CARE]: [
+    "Bath & Body",
+    "Hair Care",
+    "Oral Care",
+    "Skincare",
+    "Health",
+  ],
+  [ITEM_TYPES.OTHER]: [
+    "Miscellaneous",
+  ],
+};
+
+// Store zones for Costco layout
+export const ZONES = [
+  "Front Entry",
+  "Fresh Foods Right",
+  "Fresh Foods Left",
+  "Center Aisles",
+  "Bakery",
+  "Meat Department",
+  "Dairy Cooler",
+  "Freezer Section",
+  "Back Wall",
+  "Checkout Area",
+];
+
+// Helper to get display label for item type
+export const getItemTypeLabel = (type) => {
+  const labels = {
+    [ITEM_TYPES.PRODUCE]: "Produce",
+    [ITEM_TYPES.MEAT]: "Meat & Seafood",
+    [ITEM_TYPES.DAIRY]: "Dairy & Eggs",
+    [ITEM_TYPES.BAKERY]: "Bakery",
+    [ITEM_TYPES.FROZEN]: "Frozen",
+    [ITEM_TYPES.PANTRY]: "Pantry & Dry Goods",
+    [ITEM_TYPES.BEVERAGE]: "Beverages",
+    [ITEM_TYPES.SNACK]: "Snacks",
+    [ITEM_TYPES.HOUSEHOLD]: "Household",
+    [ITEM_TYPES.PERSONAL_CARE]: "Personal Care",
+    [ITEM_TYPES.OTHER]: "Other",
+  };
+  return labels[type] || type;
+};
diff --git a/frontend/src/pages/GroceryList.jsx b/frontend/src/pages/GroceryList.jsx
index 4ec597f..cfe72ba 100644
--- a/frontend/src/pages/GroceryList.jsx
+++ b/frontend/src/pages/GroceryList.jsx
@@ -1,9 +1,10 @@
 import { useContext, useEffect, useState } from "react";
-import { addItem, getItemByName, getList, getRecentlyBought, getSuggestions, markBought, updateItemImage } from "../api/list";
+import { addItem, getClassification, getItemByName, getList, getRecentlyBought, getSuggestions, markBought, updateItemImage, updateItemWithClassification } from "../api/list";
 import AddItemForm from "../components/AddItemForm";
+import AddItemWithDetailsModal from "../components/AddItemWithDetailsModal";
+import EditItemModal from "../components/EditItemModal";
 import FloatingActionButton from "../components/FloatingActionButton";
 import GroceryListItem from "../components/GroceryListItem";
-import ImageUploadModal from "../components/ImageUploadModal";
 import SimilarItemModal from "../components/SimilarItemModal";
 import SortDropdown from "../components/SortDropdown";
 import { ROLES } from "../constants/roles";
@@ -23,9 +24,11 @@ export default function GroceryList() {
   const [loading, setLoading] = useState(true);
   const [buttonText, setButtonText] = useState("Add Item");
   const [pendingItem, setPendingItem] = useState(null);
-  const [showImageModal, setShowImageModal] = useState(false);
+  const [showAddDetailsModal, setShowAddDetailsModal] = useState(false);
   const [showSimilarModal, setShowSimilarModal] = useState(false);
   const [similarItemSuggestion, setSimilarItemSuggestion] = useState(null);
+  const [showEditModal, setShowEditModal] = useState(false);
+  const [editingItem, setEditingItem] = useState(null);
 
   const loadItems = async () => {
     setLoading(true);
@@ -143,9 +146,9 @@ export default function GroceryList() {
       setButtonText("Add Item");
       loadItems();
     } else {
-      // NEW ITEM - show image upload modal
+      // NEW ITEM - show combined add details modal
       setPendingItem({ itemName, quantity });
-      setShowImageModal(true);
+      setShowAddDetailsModal(true);
     }
   };
 
@@ -170,35 +173,58 @@ export default function GroceryList() {
     setSimilarItemSuggestion(null);
   };
 
-  const handleImageConfirm = async (imageFile) => {
+  const handleAddDetailsConfirm = async (imageFile, classification) => {
     if (!pendingItem) return;
 
-    await addItem(pendingItem.itemName, pendingItem.quantity, imageFile);
-    setShowImageModal(false);
-    setPendingItem(null);
-    setSuggestions([]);
-    setButtonText("Add Item");
-    loadItems();
+    try {
+      // Add item to grocery_list with image
+      await addItem(pendingItem.itemName, pendingItem.quantity, imageFile);
+
+      // If classification provided, add it
+      if (classification) {
+        const itemResponse = await getItemByName(pendingItem.itemName);
+        const itemId = itemResponse.data.id;
+        await updateItemWithClassification(itemId, undefined, undefined, classification);
+      }
+
+      setShowAddDetailsModal(false);
+      setPendingItem(null);
+      setSuggestions([]);
+      setButtonText("Add Item");
+      loadItems();
+    } catch (error) {
+      console.error("Failed to add item:", error);
+      alert("Failed to add item. Please try again.");
+    }
   };
 
-  const handleImageSkip = async () => {
+  const handleAddDetailsSkip = async () => {
     if (!pendingItem) return;
 
-    await addItem(pendingItem.itemName, pendingItem.quantity, null);
-    setShowImageModal(false);
-    setPendingItem(null);
-    setSuggestions([]);
-    setButtonText("Add Item");
-    loadItems();
+    try {
+      // Add item without image or classification
+      await addItem(pendingItem.itemName, pendingItem.quantity, null);
+
+      setShowAddDetailsModal(false);
+      setPendingItem(null);
+      setSuggestions([]);
+      setButtonText("Add Item");
+      loadItems();
+    } catch (error) {
+      console.error("Failed to add item:", error);
+      alert("Failed to add item. Please try again.");
+    }
   };
 
-  const handleImageCancel = () => {
-    setShowImageModal(false);
+  const handleAddDetailsCancel = () => {
+    setShowAddDetailsModal(false);
     setPendingItem(null);
     setSuggestions([]);
     setButtonText("Add Item");
   };
 
+
+
   const handleBought = async (id, quantity) => {
     await markBought(id);
     loadItems();
@@ -215,6 +241,42 @@ export default function GroceryList() {
     }
   };
 
+  const handleLongPress = async (item) => {
+    if (![ROLES.ADMIN, ROLES.EDITOR].includes(role)) return;
+
+    try {
+      // Fetch existing classification
+      const classificationResponse = await getClassification(item.id);
+      setEditingItem({
+        ...item,
+        classification: classificationResponse.data
+      });
+      setShowEditModal(true);
+    } catch (error) {
+      console.error("Failed to load classification:", error);
+      setEditingItem({ ...item, classification: null });
+      setShowEditModal(true);
+    }
+  };
+
+  const handleEditSave = async (id, itemName, quantity, classification) => {
+    try {
+      await updateItemWithClassification(id, itemName, quantity, classification);
+      setShowEditModal(false);
+      setEditingItem(null);
+      loadItems();
+      loadRecentlyBought();
+    } catch (error) {
+      console.error("Failed to update item:", error);
+      throw error; // Re-throw to let modal handle it
+    }
+  };
+
+  const handleEditCancel = () => {
+    setShowEditModal(false);
+    setEditingItem(null);
+  };
+
   if (loading) return <p>Loading...</p>;
 
   return (
@@ -244,6 +306,9 @@ export default function GroceryList() {
               onImageAdded={
                 [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleImageAdded : null
               }
+              onLongPress={
+                [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleLongPress : null
+              }
             />
           ))}
         </ul>
@@ -257,7 +322,12 @@ export default function GroceryList() {
                   key={item.id}
                   item={item}
                   onClick={null}
-                  onImageAdded={null}
+                  onImageAdded={
+                    [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleImageAdded : null
+                  }
+                  onLongPress={
+                    [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleLongPress : null
+                  }
                 />
               ))}
             </ul>
@@ -272,12 +342,12 @@ export default function GroceryList() {
         />
       )}
 
-      {showImageModal && pendingItem && (
-        <ImageUploadModal
+      {showAddDetailsModal && pendingItem && (
+        <AddItemWithDetailsModal
           itemName={pendingItem.itemName}
-          onConfirm={handleImageConfirm}
-          onSkip={handleImageSkip}
-          onCancel={handleImageCancel}
+          onConfirm={handleAddDetailsConfirm}
+          onSkip={handleAddDetailsSkip}
+          onCancel={handleAddDetailsCancel}
         />
       )}
 
@@ -290,6 +360,14 @@ export default function GroceryList() {
           onYes={handleSimilarYes}
         />
       )}
+
+      {showEditModal && editingItem && (
+        <EditItemModal
+          item={editingItem}
+          onSave={handleEditSave}
+          onCancel={handleEditCancel}
+        />
+      )}
     </div>
   );
 }
diff --git a/frontend/src/styles/AddItemWithDetailsModal.css b/frontend/src/styles/AddItemWithDetailsModal.css
new file mode 100644
index 0000000..f503dec
--- /dev/null
+++ b/frontend/src/styles/AddItemWithDetailsModal.css
@@ -0,0 +1,218 @@
+.add-item-details-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  padding: 1em;
+}
+
+.add-item-details-modal {
+  background: white;
+  border-radius: 12px;
+  padding: 1.5em;
+  max-width: 500px;
+  width: 100%;
+  max-height: 90vh;
+  overflow-y: auto;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
+}
+
+.add-item-details-title {
+  font-size: 1.4em;
+  margin: 0 0 0.3em 0;
+  text-align: center;
+  color: #333;
+}
+
+.add-item-details-subtitle {
+  text-align: center;
+  color: #666;
+  margin: 0 0 1.5em 0;
+  font-size: 0.9em;
+}
+
+.add-item-details-section {
+  margin-bottom: 1.5em;
+  padding-bottom: 1.5em;
+  border-bottom: 1px solid #e0e0e0;
+}
+
+.add-item-details-section:last-of-type {
+  border-bottom: none;
+}
+
+.add-item-details-section-title {
+  font-size: 1.1em;
+  margin: 0 0 1em 0;
+  color: #555;
+  font-weight: 600;
+}
+
+/* Image Upload Section */
+.add-item-details-image-content {
+  min-height: 120px;
+}
+
+.add-item-details-image-options {
+  display: flex;
+  gap: 0.8em;
+  flex-wrap: wrap;
+}
+
+.add-item-details-image-btn {
+  flex: 1;
+  min-width: 140px;
+  padding: 0.8em;
+  font-size: 0.95em;
+  border: 2px solid #007bff;
+  background: white;
+  color: #007bff;
+  border-radius: 8px;
+  cursor: pointer;
+  font-weight: 600;
+  transition: all 0.2s;
+}
+
+.add-item-details-image-btn:hover {
+  background: #007bff;
+  color: white;
+}
+
+.add-item-details-image-preview {
+  position: relative;
+  border-radius: 8px;
+  overflow: hidden;
+  border: 2px solid #e0e0e0;
+}
+
+.add-item-details-image-preview img {
+  width: 100%;
+  height: auto;
+  display: block;
+  max-height: 300px;
+  object-fit: contain;
+}
+
+.add-item-details-remove-image {
+  position: absolute;
+  top: 0.5em;
+  right: 0.5em;
+  background: rgba(220, 53, 69, 0.9);
+  color: white;
+  border: none;
+  border-radius: 6px;
+  padding: 0.4em 0.8em;
+  cursor: pointer;
+  font-weight: 600;
+  font-size: 0.9em;
+  transition: background 0.2s;
+}
+
+.add-item-details-remove-image:hover {
+  background: rgba(220, 53, 69, 1);
+}
+
+/* Classification Section */
+.add-item-details-field {
+  margin-bottom: 1em;
+}
+
+.add-item-details-field label {
+  display: block;
+  margin-bottom: 0.4em;
+  font-weight: 600;
+  color: #333;
+  font-size: 0.9em;
+}
+
+.add-item-details-select {
+  width: 100%;
+  padding: 0.6em;
+  font-size: 1em;
+  border: 1px solid #ccc;
+  border-radius: 6px;
+  box-sizing: border-box;
+  transition: border-color 0.2s;
+  background: white;
+}
+
+.add-item-details-select:focus {
+  outline: none;
+  border-color: #007bff;
+}
+
+/* Actions */
+.add-item-details-actions {
+  display: flex;
+  gap: 0.6em;
+  margin-top: 1.5em;
+  padding-top: 1em;
+  border-top: 1px solid #e0e0e0;
+}
+
+.add-item-details-btn {
+  flex: 1;
+  padding: 0.7em;
+  font-size: 1em;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  font-weight: 600;
+  transition: all 0.2s;
+}
+
+.add-item-details-btn.cancel {
+  background: #6c757d;
+  color: white;
+}
+
+.add-item-details-btn.cancel:hover {
+  background: #5a6268;
+}
+
+.add-item-details-btn.skip {
+  background: #ffc107;
+  color: #333;
+}
+
+.add-item-details-btn.skip:hover {
+  background: #e0a800;
+}
+
+.add-item-details-btn.confirm {
+  background: #007bff;
+  color: white;
+}
+
+.add-item-details-btn.confirm:hover {
+  background: #0056b3;
+}
+
+/* Mobile responsiveness */
+@media (max-width: 480px) {
+  .add-item-details-modal {
+    padding: 1.2em;
+  }
+
+  .add-item-details-title {
+    font-size: 1.2em;
+  }
+
+  .add-item-details-image-options {
+    flex-direction: column;
+  }
+
+  .add-item-details-image-btn {
+    min-width: 100%;
+  }
+
+  .add-item-details-actions {
+    flex-direction: column;
+  }
+}
diff --git a/frontend/src/styles/EditItemModal.css b/frontend/src/styles/EditItemModal.css
new file mode 100644
index 0000000..1f1e2d4
--- /dev/null
+++ b/frontend/src/styles/EditItemModal.css
@@ -0,0 +1,112 @@
+.edit-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  padding: 1em;
+}
+
+.edit-modal-content {
+  background: white;
+  border-radius: 12px;
+  padding: 1.5em;
+  max-width: 480px;
+  width: 100%;
+  max-height: 90vh;
+  overflow-y: auto;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
+}
+
+.edit-modal-title {
+  font-size: 1.5em;
+  margin: 0 0 1em 0;
+  text-align: center;
+  color: #333;
+}
+
+.edit-modal-subtitle {
+  font-size: 1.1em;
+  margin: 0.5em 0 0.8em 0;
+  color: #555;
+}
+
+.edit-modal-field {
+  margin-bottom: 1em;
+}
+
+.edit-modal-field label {
+  display: block;
+  margin-bottom: 0.3em;
+  font-weight: 600;
+  color: #333;
+  font-size: 0.95em;
+}
+
+.edit-modal-input,
+.edit-modal-select {
+  width: 100%;
+  padding: 0.6em;
+  font-size: 1em;
+  border: 1px solid #ccc;
+  border-radius: 6px;
+  box-sizing: border-box;
+  transition: border-color 0.2s;
+}
+
+.edit-modal-input:focus,
+.edit-modal-select:focus {
+  outline: none;
+  border-color: #007bff;
+}
+
+.edit-modal-divider {
+  height: 1px;
+  background: #e0e0e0;
+  margin: 1.5em 0;
+}
+
+.edit-modal-actions {
+  display: flex;
+  gap: 0.8em;
+  margin-top: 1.5em;
+}
+
+.edit-modal-btn {
+  flex: 1;
+  padding: 0.7em;
+  font-size: 1em;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  font-weight: 600;
+  transition: all 0.2s;
+}
+
+.edit-modal-btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+.edit-modal-btn-cancel {
+  background: #6c757d;
+  color: white;
+}
+
+.edit-modal-btn-cancel:hover:not(:disabled) {
+  background: #5a6268;
+}
+
+.edit-modal-btn-save {
+  background: #007bff;
+  color: white;
+}
+
+.edit-modal-btn-save:hover:not(:disabled) {
+  background: #0056b3;
+}
diff --git a/frontend/src/styles/ItemClassificationModal.css b/frontend/src/styles/ItemClassificationModal.css
new file mode 100644
index 0000000..0232ada
--- /dev/null
+++ b/frontend/src/styles/ItemClassificationModal.css
@@ -0,0 +1,102 @@
+.classification-modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.6);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  padding: 1em;
+}
+
+.classification-modal-content {
+  background: white;
+  border-radius: 12px;
+  padding: 1.5em;
+  max-width: 480px;
+  width: 100%;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
+}
+
+.classification-modal-title {
+  font-size: 1.5em;
+  margin: 0 0 0.3em 0;
+  text-align: center;
+  color: #333;
+}
+
+.classification-modal-subtitle {
+  text-align: center;
+  color: #666;
+  margin: 0 0 1.5em 0;
+  font-size: 0.95em;
+}
+
+.classification-modal-field {
+  margin-bottom: 1em;
+}
+
+.classification-modal-field label {
+  display: block;
+  margin-bottom: 0.3em;
+  font-weight: 600;
+  color: #333;
+  font-size: 0.95em;
+}
+
+.classification-modal-field label .required {
+  color: #dc3545;
+}
+
+.classification-modal-select {
+  width: 100%;
+  padding: 0.6em;
+  font-size: 1em;
+  border: 1px solid #ccc;
+  border-radius: 6px;
+  box-sizing: border-box;
+  transition: border-color 0.2s;
+}
+
+.classification-modal-select:focus {
+  outline: none;
+  border-color: #007bff;
+}
+
+.classification-modal-actions {
+  display: flex;
+  gap: 0.8em;
+  margin-top: 1.5em;
+}
+
+.classification-modal-btn {
+  flex: 1;
+  padding: 0.7em;
+  font-size: 1em;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  font-weight: 600;
+  transition: all 0.2s;
+}
+
+.classification-modal-btn-skip {
+  background: #6c757d;
+  color: white;
+}
+
+.classification-modal-btn-skip:hover {
+  background: #5a6268;
+}
+
+.classification-modal-btn-confirm {
+  background: #007bff;
+  color: white;
+}
+
+.classification-modal-btn-confirm:hover {
+  background: #0056b3;
+}
-- 
2.39.5


From 8894cf21ea2dde52d685f7af77236f6dfa0c3197 Mon Sep 17 00:00:00 2001
From: Nico <Nico>
Date: Fri, 2 Jan 2026 14:38:11 -0800
Subject: [PATCH 4/7] remove re-marking bought items as bought

---
 frontend/src/components/GroceryListItem.jsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/frontend/src/components/GroceryListItem.jsx b/frontend/src/components/GroceryListItem.jsx
index 7500436..6e8c02f 100644
--- a/frontend/src/components/GroceryListItem.jsx
+++ b/frontend/src/components/GroceryListItem.jsx
@@ -56,7 +56,9 @@ export default function GroceryListItem({ item, onClick, onImageAdded, onLongPre
   };
 
   const handleItemClick = () => {
-    setShowConfirmBuyModal(true);
+    if (onClick) {
+      setShowConfirmBuyModal(true);
+    }
   };
 
   const handleConfirmBuy = (quantity) => {
-- 
2.39.5


From aee9cd3244426158be41b952168c9b4d2cc19744 Mon Sep 17 00:00:00 2001
From: Nico <Nico>
Date: Fri, 2 Jan 2026 15:33:53 -0800
Subject: [PATCH 5/7] further apply zoning and add ordering by zone feature

---
 backend/constants/classifications.js          |  71 ++++++++++--
 backend/models/list.model.js                  |   8 +-
 .../components/AddItemWithDetailsModal.jsx    |   4 +-
 frontend/src/components/EditItemModal.jsx     |   4 +-
 frontend/src/components/SortDropdown.jsx      |   1 +
 frontend/src/constants/classifications.js     |  71 ++++++++++--
 frontend/src/pages/GroceryList.jsx            | 106 ++++++++++++++----
 frontend/src/styles/GroceryList.css           |  16 +++
 8 files changed, 232 insertions(+), 49 deletions(-)

diff --git a/backend/constants/classifications.js b/backend/constants/classifications.js
index eacac75..f659d76 100644
--- a/backend/constants/classifications.js
+++ b/backend/constants/classifications.js
@@ -100,17 +100,57 @@ const ITEM_GROUPS = {
   ],
 };
 
-const ZONES = [
-  "Front Entry",
-  "Fresh Foods Right",
-  "Fresh Foods Left",
-  "Center Aisles",
-  "Bakery",
-  "Meat Department",
-  "Dairy Cooler",
-  "Freezer Section",
-  "Back Wall",
-  "Checkout Area",
+// Store zones - path-oriented physical shopping areas
+// Applicable to Costco, 99 Ranch, Stater Bros, and similar large grocery stores
+const ZONES = {
+  ENTRANCE: "Entrance & Seasonal",
+  PRODUCE_SECTION: "Produce & Fresh Vegetables",
+  MEAT_SEAFOOD: "Meat & Seafood Counter",
+  DELI_PREPARED: "Deli & Prepared Foods",
+  BAKERY_SECTION: "Bakery",
+  DAIRY_SECTION: "Dairy & Refrigerated",
+  FROZEN_FOODS: "Frozen Foods",
+  DRY_GOODS_CENTER: "Center Aisles (Dry Goods)",
+  BEVERAGES: "Beverages & Water",
+  SNACKS_CANDY: "Snacks & Candy",
+  HOUSEHOLD_CLEANING: "Household & Cleaning",
+  HEALTH_BEAUTY: "Health & Beauty",
+  CHECKOUT_AREA: "Checkout Area",
+};
+
+// Default zone mapping for each item type
+// This determines where items are typically found in the store
+const ITEM_TYPE_TO_ZONE = {
+  [ITEM_TYPES.PRODUCE]: ZONES.PRODUCE_SECTION,
+  [ITEM_TYPES.MEAT]: ZONES.MEAT_SEAFOOD,
+  [ITEM_TYPES.DAIRY]: ZONES.DAIRY_SECTION,
+  [ITEM_TYPES.BAKERY]: ZONES.BAKERY_SECTION,
+  [ITEM_TYPES.FROZEN]: ZONES.FROZEN_FOODS,
+  [ITEM_TYPES.PANTRY]: ZONES.DRY_GOODS_CENTER,
+  [ITEM_TYPES.BEVERAGE]: ZONES.BEVERAGES,
+  [ITEM_TYPES.SNACK]: ZONES.SNACKS_CANDY,
+  [ITEM_TYPES.HOUSEHOLD]: ZONES.HOUSEHOLD_CLEANING,
+  [ITEM_TYPES.PERSONAL_CARE]: ZONES.HEALTH_BEAUTY,
+  [ITEM_TYPES.OTHER]: ZONES.DRY_GOODS_CENTER,
+};
+
+// Optimal walking flow through the store
+// Represents a typical shopping path that minimizes backtracking
+// Start with perimeter (fresh items), then move to center aisles, end at checkout
+const ZONE_FLOW = [
+  ZONES.ENTRANCE,
+  ZONES.PRODUCE_SECTION,
+  ZONES.MEAT_SEAFOOD,
+  ZONES.DELI_PREPARED,
+  ZONES.BAKERY_SECTION,
+  ZONES.DAIRY_SECTION,
+  ZONES.FROZEN_FOODS,
+  ZONES.DRY_GOODS_CENTER,
+  ZONES.BEVERAGES,
+  ZONES.SNACKS_CANDY,
+  ZONES.HOUSEHOLD_CLEANING,
+  ZONES.HEALTH_BEAUTY,
+  ZONES.CHECKOUT_AREA,
 ];
 
 // Validation helpers
@@ -121,13 +161,20 @@ const isValidItemGroup = (type, group) => {
   return ITEM_GROUPS[type]?.includes(group) || false;
 };
 
-const isValidZone = (zone) => ZONES.includes(zone);
+const isValidZone = (zone) => Object.values(ZONES).includes(zone);
+
+const getSuggestedZone = (itemType) => {
+  return ITEM_TYPE_TO_ZONE[itemType] || null;
+};
 
 module.exports = {
   ITEM_TYPES,
   ITEM_GROUPS,
   ZONES,
+  ITEM_TYPE_TO_ZONE,
+  ZONE_FLOW,
   isValidItemType,
   isValidItemGroup,
   isValidZone,
+  getSuggestedZone,
 };
diff --git a/backend/models/list.model.js b/backend/models/list.model.js
index 64a06f6..d3b1f27 100644
--- a/backend/models/list.model.js
+++ b/backend/models/list.model.js
@@ -11,13 +11,17 @@ exports.getUnboughtItems = async () => {
       ENCODE(gl.item_image, 'base64') as item_image,
       gl.image_mime_type,
       ARRAY_AGG(DISTINCT COALESCE(gh_user.name, creator.name)) FILTER (WHERE COALESCE(gh_user.name, creator.name) IS NOT NULL) as added_by_users,
-      gl.modified_on as last_added_on
+      gl.modified_on as last_added_on,
+      ic.item_type,
+      ic.item_group,
+      ic.zone
     FROM grocery_list gl
     LEFT JOIN users creator ON gl.added_by = creator.id
     LEFT JOIN grocery_history gh ON gl.id = gh.list_item_id
     LEFT JOIN users gh_user ON gh.added_by = gh_user.id
+    LEFT JOIN item_classification ic ON gl.id = ic.id
     WHERE gl.bought = FALSE
-    GROUP BY gl.id, gl.item_name, gl.quantity, gl.bought, gl.item_image, gl.image_mime_type, gl.modified_on
+    GROUP BY gl.id, gl.item_name, gl.quantity, gl.bought, gl.item_image, gl.image_mime_type, gl.modified_on, ic.item_type, ic.item_group, ic.zone
     ORDER BY gl.id ASC`
   );
   return result.rows;
diff --git a/frontend/src/components/AddItemWithDetailsModal.jsx b/frontend/src/components/AddItemWithDetailsModal.jsx
index d078651..dc42b30 100644
--- a/frontend/src/components/AddItemWithDetailsModal.jsx
+++ b/frontend/src/components/AddItemWithDetailsModal.jsx
@@ -1,5 +1,5 @@
 import { useRef, useState } from "react";
-import { ITEM_GROUPS, ITEM_TYPES, ZONES, getItemTypeLabel } from "../constants/classifications";
+import { ITEM_GROUPS, ITEM_TYPES, getItemTypeLabel, getZoneValues } from "../constants/classifications";
 import "../styles/AddItemWithDetailsModal.css";
 
 export default function AddItemWithDetailsModal({ itemName, onConfirm, onSkip, onCancel }) {
@@ -159,7 +159,7 @@ export default function AddItemWithDetailsModal({ itemName, onConfirm, onSkip, o
               className="add-item-details-select"
             >
               <option value="">-- Select Zone --</option>
-              {ZONES.map((z) => (
+              {getZoneValues().map((z) => (
                 <option key={z} value={z}>
                   {z}
                 </option>
diff --git a/frontend/src/components/EditItemModal.jsx b/frontend/src/components/EditItemModal.jsx
index 62a8dcd..1f6c113 100644
--- a/frontend/src/components/EditItemModal.jsx
+++ b/frontend/src/components/EditItemModal.jsx
@@ -1,5 +1,5 @@
 import { useEffect, useState } from "react";
-import { ITEM_GROUPS, ITEM_TYPES, ZONES, getItemTypeLabel } from "../constants/classifications";
+import { ITEM_GROUPS, ITEM_TYPES, getItemTypeLabel, getZoneValues } from "../constants/classifications";
 import "../styles/EditItemModal.css";
 
 export default function EditItemModal({ item, onSave, onCancel }) {
@@ -134,7 +134,7 @@ export default function EditItemModal({ item, onSave, onCancel }) {
             className="edit-modal-select"
           >
             <option value="">-- Select Zone --</option>
-            {ZONES.map((z) => (
+            {getZoneValues().map((z) => (
               <option key={z} value={z}>
                 {z}
               </option>
diff --git a/frontend/src/components/SortDropdown.jsx b/frontend/src/components/SortDropdown.jsx
index 65f171e..21e6ad4 100644
--- a/frontend/src/components/SortDropdown.jsx
+++ b/frontend/src/components/SortDropdown.jsx
@@ -5,6 +5,7 @@ export default function SortDropdown({ value, onChange }) {
       <option value="za">Z → A</option>
       <option value="qty-high">Quantity: High → Low</option>
       <option value="qty-low">Quantity: Low → High</option>
+      <option value="zone">By Zone</option>
     </select>
   );
 }
diff --git a/frontend/src/constants/classifications.js b/frontend/src/constants/classifications.js
index 60e50a8..de63521 100644
--- a/frontend/src/constants/classifications.js
+++ b/frontend/src/constants/classifications.js
@@ -101,18 +101,57 @@ export const ITEM_GROUPS = {
   ],
 };
 
-// Store zones for Costco layout
-export const ZONES = [
-  "Front Entry",
-  "Fresh Foods Right",
-  "Fresh Foods Left",
-  "Center Aisles",
-  "Bakery",
-  "Meat Department",
-  "Dairy Cooler",
-  "Freezer Section",
-  "Back Wall",
-  "Checkout Area",
+// Store zones - path-oriented physical shopping areas
+// Applicable to Costco, 99 Ranch, Stater Bros, and similar large grocery stores
+export const ZONES = {
+  ENTRANCE: "Entrance & Seasonal",
+  PRODUCE_SECTION: "Produce & Fresh Vegetables",
+  MEAT_SEAFOOD: "Meat & Seafood Counter",
+  DELI_PREPARED: "Deli & Prepared Foods",
+  BAKERY_SECTION: "Bakery",
+  DAIRY_SECTION: "Dairy & Refrigerated",
+  FROZEN_FOODS: "Frozen Foods",
+  DRY_GOODS_CENTER: "Center Aisles (Dry Goods)",
+  BEVERAGES: "Beverages & Water",
+  SNACKS_CANDY: "Snacks & Candy",
+  HOUSEHOLD_CLEANING: "Household & Cleaning",
+  HEALTH_BEAUTY: "Health & Beauty",
+  CHECKOUT_AREA: "Checkout Area",
+};
+
+// Default zone mapping for each item type
+// This determines where items are typically found in the store
+export const ITEM_TYPE_TO_ZONE = {
+  [ITEM_TYPES.PRODUCE]: ZONES.PRODUCE_SECTION,
+  [ITEM_TYPES.MEAT]: ZONES.MEAT_SEAFOOD,
+  [ITEM_TYPES.DAIRY]: ZONES.DAIRY_SECTION,
+  [ITEM_TYPES.BAKERY]: ZONES.BAKERY_SECTION,
+  [ITEM_TYPES.FROZEN]: ZONES.FROZEN_FOODS,
+  [ITEM_TYPES.PANTRY]: ZONES.DRY_GOODS_CENTER,
+  [ITEM_TYPES.BEVERAGE]: ZONES.BEVERAGES,
+  [ITEM_TYPES.SNACK]: ZONES.SNACKS_CANDY,
+  [ITEM_TYPES.HOUSEHOLD]: ZONES.HOUSEHOLD_CLEANING,
+  [ITEM_TYPES.PERSONAL_CARE]: ZONES.HEALTH_BEAUTY,
+  [ITEM_TYPES.OTHER]: ZONES.DRY_GOODS_CENTER,
+};
+
+// Optimal walking flow through the store
+// Represents a typical shopping path that minimizes backtracking
+// Start with perimeter (fresh items), then move to center aisles, end at checkout
+export const ZONE_FLOW = [
+  ZONES.ENTRANCE,
+  ZONES.PRODUCE_SECTION,
+  ZONES.MEAT_SEAFOOD,
+  ZONES.DELI_PREPARED,
+  ZONES.BAKERY_SECTION,
+  ZONES.DAIRY_SECTION,
+  ZONES.FROZEN_FOODS,
+  ZONES.DRY_GOODS_CENTER,
+  ZONES.BEVERAGES,
+  ZONES.SNACKS_CANDY,
+  ZONES.HOUSEHOLD_CLEANING,
+  ZONES.HEALTH_BEAUTY,
+  ZONES.CHECKOUT_AREA,
 ];
 
 // Helper to get display label for item type
@@ -132,3 +171,11 @@ export const getItemTypeLabel = (type) => {
   };
   return labels[type] || type;
 };
+
+// Helper to get all zone values as array (for dropdowns)
+export const getZoneValues = () => Object.values(ZONES);
+
+// Helper to get suggested zone for an item type
+export const getSuggestedZone = (itemType) => {
+  return ITEM_TYPE_TO_ZONE[itemType] || null;
+};
diff --git a/frontend/src/pages/GroceryList.jsx b/frontend/src/pages/GroceryList.jsx
index cfe72ba..cd7a947 100644
--- a/frontend/src/pages/GroceryList.jsx
+++ b/frontend/src/pages/GroceryList.jsx
@@ -18,7 +18,7 @@ export default function GroceryList() {
   const [items, setItems] = useState([]);
   const [recentlyBoughtItems, setRecentlyBoughtItems] = useState([]);
   const [sortedItems, setSortedItems] = useState([]);
-  const [sortMode, setSortMode] = useState("az");
+  const [sortMode, setSortMode] = useState("zone");
   const [suggestions, setSuggestions] = useState([]);
   const [showAddForm, setShowAddForm] = useState(false);
   const [loading, setLoading] = useState(true);
@@ -60,6 +60,29 @@ export default function GroceryList() {
     if (sortMode === "za") sorted.sort((a, b) => b.item_name.localeCompare(a.item_name));
     if (sortMode === "qty-high") sorted.sort((a, b) => b.quantity - a.quantity);
     if (sortMode === "qty-low") sorted.sort((a, b) => a.quantity - b.quantity);
+    if (sortMode === "zone") {
+      sorted.sort((a, b) => {
+        // Items without classification go to the end
+        if (!a.item_type && b.item_type) return 1;
+        if (a.item_type && !b.item_type) return -1;
+        if (!a.item_type && !b.item_type) return a.item_name.localeCompare(b.item_name);
+
+        // Sort by item_type
+        const typeCompare = (a.item_type || "").localeCompare(b.item_type || "");
+        if (typeCompare !== 0) return typeCompare;
+
+        // Then by item_group
+        const groupCompare = (a.item_group || "").localeCompare(b.item_group || "");
+        if (groupCompare !== 0) return groupCompare;
+
+        // Then by zone
+        const zoneCompare = (a.zone || "").localeCompare(b.zone || "");
+        if (zoneCompare !== 0) return zoneCompare;
+
+        // Finally by name
+        return a.item_name.localeCompare(b.item_name);
+      });
+    }
 
     setSortedItems(sorted);
   }, [items, sortMode]);
@@ -277,6 +300,19 @@ export default function GroceryList() {
     setEditingItem(null);
   };
 
+  // Group items by zone for classification view
+  const groupItemsByZone = (items) => {
+    const groups = {};
+    items.forEach(item => {
+      const zone = item.zone || 'unclassified';
+      if (!groups[zone]) {
+        groups[zone] = [];
+      }
+      groups[zone].push(item);
+    });
+    return groups;
+  };
+
   if (loading) return <p>Loading...</p>;
 
   return (
@@ -295,27 +331,59 @@ export default function GroceryList() {
           />
         )}
 
-        <ul className="glist-ul">
-          {sortedItems.map((item) => (
-            <GroceryListItem
-              key={item.id}
-              item={item}
-              onClick={(quantity) =>
-                [ROLES.ADMIN, ROLES.EDITOR].includes(role) && handleBought(item.id, quantity)
-              }
-              onImageAdded={
-                [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleImageAdded : null
-              }
-              onLongPress={
-                [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleLongPress : null
-              }
-            />
-          ))}
-        </ul>
+        {sortMode === "zone" ? (
+          // Grouped view by zone
+          (() => {
+            const grouped = groupItemsByZone(sortedItems);
+            return Object.keys(grouped).map(zone => (
+              <div key={zone} className="glist-classification-group">
+                <h3 className="glist-classification-header">
+                  {zone === 'unclassified' ? 'Unclassified' : zone}
+                </h3>
+                <ul className="glist-ul">
+                  {grouped[zone].map((item) => (
+                    <GroceryListItem
+                      key={item.id}
+                      item={item}
+                      onClick={(quantity) =>
+                        [ROLES.ADMIN, ROLES.EDITOR].includes(role) && handleBought(item.id, quantity)
+                      }
+                      onImageAdded={
+                        [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleImageAdded : null
+                      }
+                      onLongPress={
+                        [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleLongPress : null
+                      }
+                    />
+                  ))}
+                </ul>
+              </div>
+            ));
+          })()
+        ) : (
+          // Regular flat list view
+          <ul className="glist-ul">
+            {sortedItems.map((item) => (
+              <GroceryListItem
+                key={item.id}
+                item={item}
+                onClick={(quantity) =>
+                  [ROLES.ADMIN, ROLES.EDITOR].includes(role) && handleBought(item.id, quantity)
+                }
+                onImageAdded={
+                  [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleImageAdded : null
+                }
+                onLongPress={
+                  [ROLES.ADMIN, ROLES.EDITOR].includes(role) ? handleLongPress : null
+                }
+              />
+            ))}
+          </ul>
+        )}
 
         {recentlyBoughtItems.length > 0 && (
           <>
-            <h2 className="glist-section-title">Recently Bought (Last 24 Hours)</h2>
+            <h2 className="glist-section-title">Recently Bought (24HR)</h2>
             <ul className="glist-ul">
               {recentlyBoughtItems.map((item) => (
                 <GroceryListItem
diff --git a/frontend/src/styles/GroceryList.css b/frontend/src/styles/GroceryList.css
index 803a784..b07e1f6 100644
--- a/frontend/src/styles/GroceryList.css
+++ b/frontend/src/styles/GroceryList.css
@@ -31,6 +31,22 @@
   padding-top: 1em;
 }
 
+/* Classification Groups */
+.glist-classification-group {
+  margin-bottom: 2em;
+}
+
+.glist-classification-header {
+  font-size: 1.1em;
+  font-weight: 600;
+  color: #007bff;
+  margin: 1em 0 0.5em 0;
+  padding: 0.5em 0.8em;
+  background: #e7f3ff;
+  border-left: 4px solid #007bff;
+  border-radius: 4px;
+}
+
 /* Inputs */
 .glist-input {
   font-size: 1em;
-- 
2.39.5


From aa9e71194cc849e5a97c4ee5f9c7157641d16159 Mon Sep 17 00:00:00 2001
From: Nico <Nico>
Date: Fri, 2 Jan 2026 15:59:01 -0800
Subject: [PATCH 6/7] major refactor and restructure

---
 frontend/COMPONENT_STRUCTURE.md               | 238 +++++++
 frontend/src/App.jsx                          |   2 +-
 .../components/AddItemWithDetailsModal.jsx    | 186 ------
 .../components/{ => common}/ErrorMessage.jsx  |   0
 .../{ => common}/FloatingActionButton.jsx     |   0
 .../src/components/{ => common}/FormInput.jsx |   0
 .../components/{ => common}/SortDropdown.jsx  |   0
 .../components/{ => common}/UserRoleCard.jsx  |   2 +-
 frontend/src/components/common/index.js       |   7 +
 .../components/{ => forms}/AddItemForm.jsx    |   2 +-
 .../forms/ClassificationSection.jsx           |  91 +++
 .../components/forms/ImageUploadSection.jsx   |  77 +++
 frontend/src/components/forms/index.js        |   5 +
 .../components/{ => items}/GroceryItem.tsx    |  46 +-
 .../{ => items}/GroceryListItem.jsx           |   6 +-
 .../components/{ => items}/SuggestionList.tsx |  80 +--
 frontend/src/components/items/index.js        |   5 +
 .../src/components/{ => layout}/AppLayout.jsx |  22 +-
 .../src/components/{ => layout}/Navbar.jsx    |  58 +-
 frontend/src/components/layout/index.js       |   4 +
 .../components/{ => modals}/AddImageModal.jsx |   2 +-
 .../modals/AddItemWithDetailsModal.jsx        |  96 +++
 .../{ => modals}/ConfirmBuyModal.jsx          |   2 +-
 .../components/{ => modals}/EditItemModal.jsx |  73 +-
 .../components/{ => modals}/ImageModal.jsx    |   2 +-
 .../{ => modals}/ImageUploadModal.jsx         |   2 +-
 .../{ => modals}/ItemClassificationModal.jsx  |   2 +-
 .../{ => modals}/SimilarItemModal.jsx         |   2 +-
 frontend/src/components/modals/index.js       |  10 +
 frontend/src/index.css                        |  24 +-
 frontend/src/main.tsx                         |   1 +
 frontend/src/move-components.sh               |  34 +
 frontend/src/move-styles.sh                   |  15 +
 frontend/src/pages/AdminPanel.jsx             |   2 +-
 frontend/src/pages/GroceryList.jsx            |  41 +-
 frontend/src/pages/Login.jsx                  |   6 +-
 frontend/src/pages/Register.jsx               |   6 +-
 frontend/src/styles/THEME_USAGE_EXAMPLES.css  | 130 ++++
 .../AddItemWithDetailsModal.css               |   0
 .../components/ClassificationSection.css      |  44 ++
 .../styles/{ => components}/EditItemModal.css |   0
 .../styles/components/ImageUploadSection.css  |  86 +++
 .../src/styles/{ => components}/Navbar.css    | 116 ++--
 .../src/styles/{ => pages}/GroceryList.css    | 627 +++++++++---------
 frontend/src/styles/{ => pages}/Login.css     |   0
 frontend/src/styles/{ => pages}/Register.css  |   0
 frontend/src/styles/theme.css                 | 268 ++++++++
 47 files changed, 1677 insertions(+), 745 deletions(-)
 create mode 100644 frontend/COMPONENT_STRUCTURE.md
 delete mode 100644 frontend/src/components/AddItemWithDetailsModal.jsx
 rename frontend/src/components/{ => common}/ErrorMessage.jsx (100%)
 rename frontend/src/components/{ => common}/FloatingActionButton.jsx (100%)
 rename frontend/src/components/{ => common}/FormInput.jsx (100%)
 rename frontend/src/components/{ => common}/SortDropdown.jsx (100%)
 rename frontend/src/components/{ => common}/UserRoleCard.jsx (92%)
 create mode 100644 frontend/src/components/common/index.js
 rename frontend/src/components/{ => forms}/AddItemForm.jsx (96%)
 create mode 100644 frontend/src/components/forms/ClassificationSection.jsx
 create mode 100644 frontend/src/components/forms/ImageUploadSection.jsx
 create mode 100644 frontend/src/components/forms/index.js
 rename frontend/src/components/{ => items}/GroceryItem.tsx (95%)
 rename frontend/src/components/{ => items}/GroceryListItem.jsx (96%)
 rename frontend/src/components/{ => items}/SuggestionList.tsx (95%)
 create mode 100644 frontend/src/components/items/index.js
 rename frontend/src/components/{ => layout}/AppLayout.jsx (94%)
 rename frontend/src/components/{ => layout}/Navbar.jsx (85%)
 create mode 100644 frontend/src/components/layout/index.js
 rename frontend/src/components/{ => modals}/AddImageModal.jsx (98%)
 create mode 100644 frontend/src/components/modals/AddItemWithDetailsModal.jsx
 rename frontend/src/components/{ => modals}/ConfirmBuyModal.jsx (97%)
 rename frontend/src/components/{ => modals}/EditItemModal.jsx (59%)
 rename frontend/src/components/{ => modals}/ImageModal.jsx (94%)
 rename frontend/src/components/{ => modals}/ImageUploadModal.jsx (98%)
 rename frontend/src/components/{ => modals}/ItemClassificationModal.jsx (98%)
 rename frontend/src/components/{ => modals}/SimilarItemModal.jsx (95%)
 create mode 100644 frontend/src/components/modals/index.js
 create mode 100644 frontend/src/move-components.sh
 create mode 100644 frontend/src/move-styles.sh
 create mode 100644 frontend/src/styles/THEME_USAGE_EXAMPLES.css
 rename frontend/src/styles/{ => components}/AddItemWithDetailsModal.css (100%)
 create mode 100644 frontend/src/styles/components/ClassificationSection.css
 rename frontend/src/styles/{ => components}/EditItemModal.css (100%)
 create mode 100644 frontend/src/styles/components/ImageUploadSection.css
 rename frontend/src/styles/{ => components}/Navbar.css (93%)
 rename frontend/src/styles/{ => pages}/GroceryList.css (69%)
 rename frontend/src/styles/{ => pages}/Login.css (100%)
 rename frontend/src/styles/{ => pages}/Register.css (100%)
 create mode 100644 frontend/src/styles/theme.css

diff --git a/frontend/COMPONENT_STRUCTURE.md b/frontend/COMPONENT_STRUCTURE.md
new file mode 100644
index 0000000..4fca22d
--- /dev/null
+++ b/frontend/COMPONENT_STRUCTURE.md
@@ -0,0 +1,238 @@
+# Frontend Component Organization
+
+This document describes the organized structure of the frontend codebase, implemented to improve maintainability as the application grows.
+
+## Directory Structure
+
+```
+frontend/src/
+├── api/                    # API client functions
+│   ├── auth.js            # Authentication endpoints
+│   ├── axios.js           # Axios instance with interceptors
+│   ├── list.js            # Grocery list endpoints
+│   └── users.js           # User management endpoints
+│
+├── components/            # React components (organized by function)
+│   ├── common/           # Reusable UI components
+│   │   ├── ErrorMessage.jsx
+│   │   ├── FloatingActionButton.jsx
+│   │   ├── FormInput.jsx
+│   │   ├── SortDropdown.jsx
+│   │   ├── UserRoleCard.jsx
+│   │   └── index.js      # Barrel exports
+│   │
+│   ├── modals/           # All modal/dialog components
+│   │   ├── AddImageModal.jsx
+│   │   ├── AddItemWithDetailsModal.jsx
+│   │   ├── ConfirmBuyModal.jsx
+│   │   ├── EditItemModal.jsx
+│   │   ├── ImageModal.jsx
+│   │   ├── ImageUploadModal.jsx
+│   │   ├── ItemClassificationModal.jsx
+│   │   ├── SimilarItemModal.jsx
+│   │   └── index.js      # Barrel exports
+│   │
+│   ├── forms/            # Form components and input sections
+│   │   ├── AddItemForm.jsx
+│   │   ├── ClassificationSection.jsx
+│   │   ├── ImageUploadSection.jsx
+│   │   └── index.js      # Barrel exports
+│   │
+│   ├── items/            # Item display and list components
+│   │   ├── GroceryItem.tsx
+│   │   ├── GroceryListItem.jsx
+│   │   ├── SuggestionList.tsx
+│   │   └── index.js      # Barrel exports
+│   │
+│   └── layout/           # Layout and navigation components
+│       ├── AppLayout.jsx
+│       ├── Navbar.jsx
+│       └── index.js      # Barrel exports
+│
+├── constants/            # Application constants
+│   ├── classifications.js # Item types, groups, zones
+│   └── roles.js          # User roles (viewer, editor, admin)
+│
+├── context/              # React context providers
+│   └── AuthContext.jsx   # Authentication context
+│
+├── pages/                # Top-level page components
+│   ├── AdminPanel.jsx    # User management dashboard
+│   ├── GroceryList.jsx   # Main grocery list page
+│   ├── Login.jsx         # Login page
+│   └── Register.jsx      # Registration page
+│
+├── styles/               # CSS files (organized by type)
+│   ├── pages/           # Page-specific styles
+│   │   ├── GroceryList.css
+│   │   ├── Login.css
+│   │   └── Register.css
+│   │
+│   ├── components/      # Component-specific styles
+│   │   ├── AddItemWithDetailsModal.css
+│   │   ├── ClassificationSection.css
+│   │   ├── EditItemModal.css
+│   │   ├── ImageUploadSection.css
+│   │   └── Navbar.css
+│   │
+│   ├── theme.css        # **GLOBAL THEME VARIABLES** (colors, spacing, typography)
+│   ├── THEME_USAGE_EXAMPLES.css # Examples of using theme variables
+│   ├── App.css          # Global app styles
+│   └── index.css        # Root styles (uses theme variables)
+│
+├── utils/                # Utility functions
+│   ├── PrivateRoute.jsx  # Authentication guard
+│   ├── RoleGuard.jsx     # Role-based access guard
+│   └── stringSimilarity.js # String matching utilities
+│
+├── App.jsx               # Root app component
+├── main.tsx              # Application entry point
+├── config.ts             # Configuration (API URL)
+└── types.ts              # TypeScript type definitions
+```
+
+## Import Patterns
+
+### Using Barrel Exports (Recommended)
+
+Barrel exports (`index.js` files) allow cleaner imports from component groups:
+
+```javascript
+// ✅ Clean barrel import
+import { FloatingActionButton, SortDropdown } from '../components/common';
+import { EditItemModal, SimilarItemModal } from '../components/modals';
+import { AddItemForm, ClassificationSection } from '../components/forms';
+```
+
+### Direct Imports (Alternative)
+
+You can also import components directly when needed:
+
+```javascript
+// Also valid
+import FloatingActionButton from '../components/common/FloatingActionButton';
+import EditItemModal from '../components/modals/EditItemModal';
+```
+
+## Component Categories
+
+### `common/` - Reusable UI Components
+- **Purpose**: Generic, reusable components used across multiple pages
+- **Examples**: Buttons, dropdowns, form inputs, error messages
+- **Characteristics**: Highly reusable, minimal business logic
+
+### `modals/` - Dialog Components
+- **Purpose**: All modal/dialog/popup components
+- **Examples**: Confirmation dialogs, edit forms, image viewers
+- **Characteristics**: Overlay UI, typically used for focused interactions
+
+### `forms/` - Form Sections
+- **Purpose**: Form-related components and input sections
+- **Examples**: Multi-step forms, reusable form sections
+- **Characteristics**: Handle user input, validation, form state
+
+### `items/` - Item Display Components
+- **Purpose**: Components specific to displaying grocery items
+- **Examples**: Item cards, item lists, suggestion lists
+- **Characteristics**: Domain-specific (grocery items)
+
+### `layout/` - Layout Components
+- **Purpose**: Application structure and navigation
+- **Examples**: Navigation bars, page layouts, wrappers
+- **Characteristics**: Define page structure, persistent UI elements
+
+## Style Organization
+
+### `styles/pages/`
+Page-specific styles that apply to entire page components.
+
+### `styles/components/`
+Component-specific styles for individual reusable components.
+
+## Benefits of This Structure
+
+1. **Scalability**: Easy to add new components without cluttering directories
+2. **Discoverability**: Intuitive naming makes components easy to find
+3. **Maintainability**: Related code is grouped together
+4. **Separation of Concerns**: Clear boundaries between different types of components
+5. **Import Clarity**: Barrel exports reduce import statement complexity
+6. **Team Collaboration**: Clear conventions for where new code should go
+
+## Adding New Components
+
+When adding a new component, ask:
+
+1. **Is it reusable across pages?** → `common/`
+2. **Is it a modal/dialog?** → `modals/`
+3. **Is it form-related?** → `forms/`
+4. **Is it specific to grocery items?** → `items/`
+5. **Does it define page structure?** → `layout/`
+6. **Is it a full page?** → `pages/`
+
+Then:
+1. Create the component in the appropriate subdirectory
+2. Add the component to the subdirectory's `index.js` barrel export
+3. Create corresponding CSS file in `styles/pages/` or `styles/components/`
+
+## Migration Notes
+
+This structure was implemented on January 2, 2026 to organize 20+ components and 10+ CSS files that were previously in flat directories. All import paths have been updated to reflect the new structure.
+
+## Theming System
+
+The application uses a centralized theming system via CSS custom properties (variables) defined in `styles/theme.css`.
+
+### Theme Variables
+
+All design tokens are defined in `theme.css` including:
+
+- **Colors**: Primary, secondary, semantic (success, danger, warning), neutrals
+- **Spacing**: Consistent spacing scale (xs, sm, md, lg, xl, 2xl, 3xl)
+- **Typography**: Font families, sizes, weights, line heights
+- **Borders**: Widths and radius values
+- **Shadows**: Box shadow presets
+- **Transitions**: Timing functions
+- **Z-index**: Layering system for modals, dropdowns, etc.
+
+### Using Theme Variables
+
+```css
+/* Instead of hardcoded values */
+.button-old {
+  background: #007bff;
+  padding: 0.6em 1.2em;
+  border-radius: 4px;
+}
+
+/* Use theme variables */
+.button-new {
+  background: var(--color-primary);
+  padding: var(--button-padding-y) var(--button-padding-x);
+  border-radius: var(--button-border-radius);
+}
+```
+
+### Benefits
+
+1. **Consistency**: All components use the same design tokens
+2. **Maintainability**: Change once in `theme.css`, updates everywhere
+3. **Theme Switching**: Easy to implement dark mode (already scaffolded)
+4. **Scalability**: Add new tokens without touching component styles
+5. **Documentation**: Variable names are self-documenting
+
+### Utility Classes
+
+The theme file includes utility classes for common patterns:
+
+```html
+<!-- Spacing -->
+<div class="mt-3 mb-4 p-2">Content</div>
+
+<!-- Text styling -->
+<span class="text-primary font-weight-bold">Important</span>
+
+<!-- Flexbox -->
+<div class="d-flex justify-between align-center gap-2">Items</div>
+```
+
+See `styles/THEME_USAGE_EXAMPLES.css` for complete examples of refactoring existing CSS to use theme variables.
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index 225c2aa..c248c29 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -7,7 +7,7 @@ import GroceryList from "./pages/GroceryList.jsx";
 import Login from "./pages/Login.jsx";
 import Register from "./pages/Register.jsx";
 
-import AppLayout from "./components/AppLayout.jsx";
+import AppLayout from "./components/layout/AppLayout.jsx";
 import PrivateRoute from "./utils/PrivateRoute.jsx";
 
 import RoleGuard from "./utils/RoleGuard.jsx";
diff --git a/frontend/src/components/AddItemWithDetailsModal.jsx b/frontend/src/components/AddItemWithDetailsModal.jsx
deleted file mode 100644
index dc42b30..0000000
--- a/frontend/src/components/AddItemWithDetailsModal.jsx
+++ /dev/null
@@ -1,186 +0,0 @@
-import { useRef, useState } from "react";
-import { ITEM_GROUPS, ITEM_TYPES, getItemTypeLabel, getZoneValues } from "../constants/classifications";
-import "../styles/AddItemWithDetailsModal.css";
-
-export default function AddItemWithDetailsModal({ itemName, onConfirm, onSkip, onCancel }) {
-  const [selectedImage, setSelectedImage] = useState(null);
-  const [imagePreview, setImagePreview] = useState(null);
-  const [itemType, setItemType] = useState("");
-  const [itemGroup, setItemGroup] = useState("");
-  const [zone, setZone] = useState("");
-
-  const cameraInputRef = useRef(null);
-  const galleryInputRef = useRef(null);
-
-  const handleImageChange = (e) => {
-    const file = e.target.files[0];
-    if (file) {
-      setSelectedImage(file);
-      const reader = new FileReader();
-      reader.onloadend = () => {
-        setImagePreview(reader.result);
-      };
-      reader.readAsDataURL(file);
-    }
-  };
-
-  const removeImage = () => {
-    setSelectedImage(null);
-    setImagePreview(null);
-  };
-
-  const handleItemTypeChange = (e) => {
-    const newType = e.target.value;
-    setItemType(newType);
-    // Reset item group when type changes
-    setItemGroup("");
-  };
-
-  const handleConfirm = () => {
-    // Validate classification if provided
-    if (itemType && !itemGroup) {
-      alert("Please select an item group");
-      return;
-    }
-
-    const classification = itemType ? {
-      item_type: itemType,
-      item_group: itemGroup,
-      zone: zone || null
-    } : null;
-
-    onConfirm(selectedImage, classification);
-  };
-
-  const handleSkip = () => {
-    onSkip();
-  };
-
-  const handleCameraClick = () => {
-    cameraInputRef.current?.click();
-  };
-
-  const handleGalleryClick = () => {
-    galleryInputRef.current?.click();
-  };
-
-  const availableGroups = itemType ? ITEM_GROUPS[itemType] || [] : [];
-
-  return (
-    <div className="add-item-details-overlay" onClick={onCancel}>
-      <div className="add-item-details-modal" onClick={(e) => e.stopPropagation()}>
-        <h2 className="add-item-details-title">Add Details for "{itemName}"</h2>
-        <p className="add-item-details-subtitle">Add an image and classification to help organize your list</p>
-
-        {/* Image Section */}
-        <div className="add-item-details-section">
-          <h3 className="add-item-details-section-title">Item Image (Optional)</h3>
-          <div className="add-item-details-image-content">
-            {!imagePreview ? (
-              <div className="add-item-details-image-options">
-                <button onClick={handleCameraClick} className="add-item-details-image-btn camera">
-                  📷 Use Camera
-                </button>
-                <button onClick={handleGalleryClick} className="add-item-details-image-btn gallery">
-                  🖼️ Choose from Gallery
-                </button>
-              </div>
-            ) : (
-              <div className="add-item-details-image-preview">
-                <img src={imagePreview} alt="Preview" />
-                <button type="button" onClick={removeImage} className="add-item-details-remove-image">
-                  × Remove
-                </button>
-              </div>
-            )}
-          </div>
-
-          <input
-            ref={cameraInputRef}
-            type="file"
-            accept="image/*"
-            capture="environment"
-            onChange={handleImageChange}
-            style={{ display: "none" }}
-          />
-
-          <input
-            ref={galleryInputRef}
-            type="file"
-            accept="image/*"
-            onChange={handleImageChange}
-            style={{ display: "none" }}
-          />
-        </div>
-
-        {/* Classification Section */}
-        <div className="add-item-details-section">
-          <h3 className="add-item-details-section-title">Item Classification (Optional)</h3>
-
-          <div className="add-item-details-field">
-            <label>Item Type</label>
-            <select
-              value={itemType}
-              onChange={handleItemTypeChange}
-              className="add-item-details-select"
-            >
-              <option value="">-- Select Type --</option>
-              {Object.values(ITEM_TYPES).map((type) => (
-                <option key={type} value={type}>
-                  {getItemTypeLabel(type)}
-                </option>
-              ))}
-            </select>
-          </div>
-
-          {itemType && (
-            <div className="add-item-details-field">
-              <label>Item Group</label>
-              <select
-                value={itemGroup}
-                onChange={(e) => setItemGroup(e.target.value)}
-                className="add-item-details-select"
-              >
-                <option value="">-- Select Group --</option>
-                {availableGroups.map((group) => (
-                  <option key={group} value={group}>
-                    {group}
-                  </option>
-                ))}
-              </select>
-            </div>
-          )}
-
-          <div className="add-item-details-field">
-            <label>Store Zone</label>
-            <select
-              value={zone}
-              onChange={(e) => setZone(e.target.value)}
-              className="add-item-details-select"
-            >
-              <option value="">-- Select Zone --</option>
-              {getZoneValues().map((z) => (
-                <option key={z} value={z}>
-                  {z}
-                </option>
-              ))}
-            </select>
-          </div>
-        </div>
-
-        {/* Actions */}
-        <div className="add-item-details-actions">
-          <button onClick={onCancel} className="add-item-details-btn cancel">
-            Cancel
-          </button>
-          <button onClick={handleSkip} className="add-item-details-btn skip">
-            Skip All
-          </button>
-          <button onClick={handleConfirm} className="add-item-details-btn confirm">
-            Add Item
-          </button>
-        </div>
-      </div>
-    </div>
-  );
-}
diff --git a/frontend/src/components/ErrorMessage.jsx b/frontend/src/components/common/ErrorMessage.jsx
similarity index 100%
rename from frontend/src/components/ErrorMessage.jsx
rename to frontend/src/components/common/ErrorMessage.jsx
diff --git a/frontend/src/components/FloatingActionButton.jsx b/frontend/src/components/common/FloatingActionButton.jsx
similarity index 100%
rename from frontend/src/components/FloatingActionButton.jsx
rename to frontend/src/components/common/FloatingActionButton.jsx
diff --git a/frontend/src/components/FormInput.jsx b/frontend/src/components/common/FormInput.jsx
similarity index 100%
rename from frontend/src/components/FormInput.jsx
rename to frontend/src/components/common/FormInput.jsx
diff --git a/frontend/src/components/SortDropdown.jsx b/frontend/src/components/common/SortDropdown.jsx
similarity index 100%
rename from frontend/src/components/SortDropdown.jsx
rename to frontend/src/components/common/SortDropdown.jsx
diff --git a/frontend/src/components/UserRoleCard.jsx b/frontend/src/components/common/UserRoleCard.jsx
similarity index 92%
rename from frontend/src/components/UserRoleCard.jsx
rename to frontend/src/components/common/UserRoleCard.jsx
index 0bb24dd..9a1405b 100644
--- a/frontend/src/components/UserRoleCard.jsx
+++ b/frontend/src/components/common/UserRoleCard.jsx
@@ -1,4 +1,4 @@
-import { ROLES } from "../constants/roles";
+import { ROLES } from "../../constants/roles";
 
 export default function UserRoleCard({ user, onRoleChange }) {
   return (
diff --git a/frontend/src/components/common/index.js b/frontend/src/components/common/index.js
new file mode 100644
index 0000000..0dc675e
--- /dev/null
+++ b/frontend/src/components/common/index.js
@@ -0,0 +1,7 @@
+// Barrel export for common components
+export { default as ErrorMessage } from './ErrorMessage.jsx';
+export { default as FloatingActionButton } from './FloatingActionButton.jsx';
+export { default as FormInput } from './FormInput.jsx';
+export { default as SortDropdown } from './SortDropdown.jsx';
+export { default as UserRoleCard } from './UserRoleCard.jsx';
+
diff --git a/frontend/src/components/AddItemForm.jsx b/frontend/src/components/forms/AddItemForm.jsx
similarity index 96%
rename from frontend/src/components/AddItemForm.jsx
rename to frontend/src/components/forms/AddItemForm.jsx
index 10e76a7..cd26d02 100644
--- a/frontend/src/components/AddItemForm.jsx
+++ b/frontend/src/components/forms/AddItemForm.jsx
@@ -1,5 +1,5 @@
 import { useState } from "react";
-import SuggestionList from "./SuggestionList";
+import SuggestionList from "../items/SuggestionList";
 
 export default function AddItemForm({ onAdd, onSuggest, suggestions, buttonText = "Add Item" }) {
   const [itemName, setItemName] = useState("");
diff --git a/frontend/src/components/forms/ClassificationSection.jsx b/frontend/src/components/forms/ClassificationSection.jsx
new file mode 100644
index 0000000..f701dd2
--- /dev/null
+++ b/frontend/src/components/forms/ClassificationSection.jsx
@@ -0,0 +1,91 @@
+import { ITEM_GROUPS, ITEM_TYPES, getItemTypeLabel, getZoneValues } from "../../constants/classifications";
+import "../../styles/components/ClassificationSection.css";
+
+/**
+ * Reusable classification component with cascading type/group/zone selects
+ * @param {Object} props
+ * @param {string} props.itemType - Selected item type
+ * @param {string} props.itemGroup - Selected item group
+ * @param {string} props.zone - Selected zone
+ * @param {Function} props.onItemTypeChange - Callback for type change (newType)
+ * @param {Function} props.onItemGroupChange - Callback for group change (newGroup)
+ * @param {Function} props.onZoneChange - Callback for zone change (newZone)
+ * @param {string} props.title - Section title (optional)
+ * @param {string} props.fieldClass - CSS class for field containers (optional)
+ * @param {string} props.selectClass - CSS class for select elements (optional)
+ */
+export default function ClassificationSection({
+  itemType,
+  itemGroup,
+  zone,
+  onItemTypeChange,
+  onItemGroupChange,
+  onZoneChange,
+  title = "Item Classification (Optional)",
+  fieldClass = "classification-field",
+  selectClass = "classification-select"
+}) {
+  const availableGroups = itemType ? ITEM_GROUPS[itemType] || [] : [];
+
+  const handleTypeChange = (e) => {
+    const newType = e.target.value;
+    onItemTypeChange(newType);
+    // Parent should reset group when type changes
+  };
+
+  return (
+    <div className="classification-section">
+      <h3 className="classification-title">{title}</h3>
+
+      <div className={fieldClass}>
+        <label>Item Type</label>
+        <select
+          value={itemType}
+          onChange={handleTypeChange}
+          className={selectClass}
+        >
+          <option value="">-- Select Type --</option>
+          {Object.values(ITEM_TYPES).map((type) => (
+            <option key={type} value={type}>
+              {getItemTypeLabel(type)}
+            </option>
+          ))}
+        </select>
+      </div>
+
+      {itemType && (
+        <div className={fieldClass}>
+          <label>Item Group</label>
+          <select
+            value={itemGroup}
+            onChange={(e) => onItemGroupChange(e.target.value)}
+            className={selectClass}
+          >
+            <option value="">-- Select Group --</option>
+            {availableGroups.map((group) => (
+              <option key={group} value={group}>
+                {group}
+              </option>
+            ))}
+          </select>
+        </div>
+      )}
+
+      <div className={fieldClass}>
+        <label>Store Zone</label>
+        <select
+          value={zone}
+          onChange={(e) => onZoneChange(e.target.value)}
+          className={selectClass}
+        >
+          <option value="">-- Select Zone --</option>
+          {getZoneValues().map((z) => (
+            <option key={z} value={z}>
+              {z}
+            </option>
+          ))}
+        </select>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/forms/ImageUploadSection.jsx b/frontend/src/components/forms/ImageUploadSection.jsx
new file mode 100644
index 0000000..1f57a09
--- /dev/null
+++ b/frontend/src/components/forms/ImageUploadSection.jsx
@@ -0,0 +1,77 @@
+import { useRef } from "react";
+import "../../styles/components/ImageUploadSection.css";
+
+/**
+ * Reusable image upload component with camera and gallery options
+ * @param {Object} props
+ * @param {string} props.imagePreview - Base64 preview URL or null
+ * @param {Function} props.onImageChange - Callback when image is selected (file)
+ * @param {Function} props.onImageRemove - Callback to remove image
+ * @param {string} props.title - Section title (optional)
+ */
+export default function ImageUploadSection({
+  imagePreview,
+  onImageChange,
+  onImageRemove,
+  title = "Item Image (Optional)"
+}) {
+  const cameraInputRef = useRef(null);
+  const galleryInputRef = useRef(null);
+
+  const handleFileChange = (e) => {
+    const file = e.target.files[0];
+    if (file) {
+      onImageChange(file);
+    }
+  };
+
+  const handleCameraClick = () => {
+    cameraInputRef.current?.click();
+  };
+
+  const handleGalleryClick = () => {
+    galleryInputRef.current?.click();
+  };
+
+  return (
+    <div className="image-upload-section">
+      <h3 className="image-upload-title">{title}</h3>
+      <div className="image-upload-content">
+        {!imagePreview ? (
+          <div className="image-upload-options">
+            <button onClick={handleCameraClick} className="image-upload-btn camera" type="button">
+              📷 Use Camera
+            </button>
+            <button onClick={handleGalleryClick} className="image-upload-btn gallery" type="button">
+              🖼️ Choose from Gallery
+            </button>
+          </div>
+        ) : (
+          <div className="image-upload-preview">
+            <img src={imagePreview} alt="Preview" />
+            <button type="button" onClick={onImageRemove} className="image-upload-remove">
+              × Remove
+            </button>
+          </div>
+        )}
+      </div>
+
+      <input
+        ref={cameraInputRef}
+        type="file"
+        accept="image/*"
+        capture="environment"
+        onChange={handleFileChange}
+        style={{ display: "none" }}
+      />
+
+      <input
+        ref={galleryInputRef}
+        type="file"
+        accept="image/*"
+        onChange={handleFileChange}
+        style={{ display: "none" }}
+      />
+    </div>
+  );
+}
diff --git a/frontend/src/components/forms/index.js b/frontend/src/components/forms/index.js
new file mode 100644
index 0000000..129ca8f
--- /dev/null
+++ b/frontend/src/components/forms/index.js
@@ -0,0 +1,5 @@
+// Barrel export for form components
+export { default as AddItemForm } from './AddItemForm.jsx';
+export { default as ClassificationSection } from './ClassificationSection.jsx';
+export { default as ImageUploadSection } from './ImageUploadSection.jsx';
+
diff --git a/frontend/src/components/GroceryItem.tsx b/frontend/src/components/items/GroceryItem.tsx
similarity index 95%
rename from frontend/src/components/GroceryItem.tsx
rename to frontend/src/components/items/GroceryItem.tsx
index a352287..7daeba2 100644
--- a/frontend/src/components/GroceryItem.tsx
+++ b/frontend/src/components/items/GroceryItem.tsx
@@ -1,23 +1,23 @@
-import type { GroceryItemType } from "../types";
-
-interface Props {
-  item: GroceryItemType;
-  onClick: (id: number) => void;
-}
-
-export default function GroceryItem({ item, onClick }: Props) {
-  return (
-    <li
-      onClick={() => onClick(item.id)}
-      style={{
-        padding: "0.5em",
-        background: "#e9ecef",
-        marginBottom: "0.5em",
-        borderRadius: "4px",
-        cursor: "pointer",
-      }}
-    >
-      {item.item_name} ({item.quantity})
-    </li>
-  );
-}
+import type { GroceryItemType } from "../types";
+
+interface Props {
+  item: GroceryItemType;
+  onClick: (id: number) => void;
+}
+
+export default function GroceryItem({ item, onClick }: Props) {
+  return (
+    <li
+      onClick={() => onClick(item.id)}
+      style={{
+        padding: "0.5em",
+        background: "#e9ecef",
+        marginBottom: "0.5em",
+        borderRadius: "4px",
+        cursor: "pointer",
+      }}
+    >
+      {item.item_name} ({item.quantity})
+    </li>
+  );
+}
diff --git a/frontend/src/components/GroceryListItem.jsx b/frontend/src/components/items/GroceryListItem.jsx
similarity index 96%
rename from frontend/src/components/GroceryListItem.jsx
rename to frontend/src/components/items/GroceryListItem.jsx
index 6e8c02f..d2417cb 100644
--- a/frontend/src/components/GroceryListItem.jsx
+++ b/frontend/src/components/items/GroceryListItem.jsx
@@ -1,7 +1,7 @@
 import { useRef, useState } from "react";
-import AddImageModal from "./AddImageModal";
-import ConfirmBuyModal from "./ConfirmBuyModal";
-import ImageModal from "./ImageModal";
+import AddImageModal from "../modals/AddImageModal";
+import ConfirmBuyModal from "../modals/ConfirmBuyModal";
+import ImageModal from "../modals/ImageModal";
 
 export default function GroceryListItem({ item, onClick, onImageAdded, onLongPress }) {
   const [showModal, setShowModal] = useState(false);
diff --git a/frontend/src/components/SuggestionList.tsx b/frontend/src/components/items/SuggestionList.tsx
similarity index 95%
rename from frontend/src/components/SuggestionList.tsx
rename to frontend/src/components/items/SuggestionList.tsx
index 51fd676..fc52eaa 100644
--- a/frontend/src/components/SuggestionList.tsx
+++ b/frontend/src/components/items/SuggestionList.tsx
@@ -1,40 +1,40 @@
-interface Props {
-  suggestions: string[];
-  onSelect: (value: string) => void;
-}
-
-export default function SuggestionList({ suggestions, onSelect }: Props) {
-  if (!suggestions.length) return null;
-
-  return (
-    <ul
-      style={{
-        background: "#fff",
-        border: "1px solid #ccc",
-        maxHeight: "150px",
-        overflowY: "auto",
-        position: "absolute",
-        zIndex: 1000,
-        left: "1em",
-        right: "1em",
-        listStyle: "none",
-        padding: 0,
-        margin: 0,
-      }}
-    >
-      {suggestions.map((s) => (
-        <li
-          key={s}
-          onClick={() => onSelect(s)}
-          style={{
-            padding: "0.5em",
-            cursor: "pointer",
-            borderBottom: "1px solid #eee",
-          }}
-        >
-          {s}
-        </li>
-      ))}
-    </ul>
-  );
-}
+interface Props {
+  suggestions: string[];
+  onSelect: (value: string) => void;
+}
+
+export default function SuggestionList({ suggestions, onSelect }: Props) {
+  if (!suggestions.length) return null;
+
+  return (
+    <ul
+      style={{
+        background: "#fff",
+        border: "1px solid #ccc",
+        maxHeight: "150px",
+        overflowY: "auto",
+        position: "absolute",
+        zIndex: 1000,
+        left: "1em",
+        right: "1em",
+        listStyle: "none",
+        padding: 0,
+        margin: 0,
+      }}
+    >
+      {suggestions.map((s) => (
+        <li
+          key={s}
+          onClick={() => onSelect(s)}
+          style={{
+            padding: "0.5em",
+            cursor: "pointer",
+            borderBottom: "1px solid #eee",
+          }}
+        >
+          {s}
+        </li>
+      ))}
+    </ul>
+  );
+}
diff --git a/frontend/src/components/items/index.js b/frontend/src/components/items/index.js
new file mode 100644
index 0000000..f008559
--- /dev/null
+++ b/frontend/src/components/items/index.js
@@ -0,0 +1,5 @@
+// Barrel export for item-related components
+export { default as GroceryItem } from './GroceryItem.tsx';
+export { default as GroceryListItem } from './GroceryListItem.jsx';
+export { default as SuggestionList } from './SuggestionList.tsx';
+
diff --git a/frontend/src/components/AppLayout.jsx b/frontend/src/components/layout/AppLayout.jsx
similarity index 94%
rename from frontend/src/components/AppLayout.jsx
rename to frontend/src/components/layout/AppLayout.jsx
index b2d8b07..028174a 100644
--- a/frontend/src/components/AppLayout.jsx
+++ b/frontend/src/components/layout/AppLayout.jsx
@@ -1,11 +1,11 @@
-import { Outlet } from "react-router-dom";
-import Navbar from "./Navbar";
-
-export default function AppLayout() {
-  return (
-    <div>
-      <Navbar />
-      <Outlet />
-    </div>
-  );
-}
+import { Outlet } from "react-router-dom";
+import Navbar from "./Navbar";
+
+export default function AppLayout() {
+  return (
+    <div>
+      <Navbar />
+      <Outlet />
+    </div>
+  );
+}
diff --git a/frontend/src/components/Navbar.jsx b/frontend/src/components/layout/Navbar.jsx
similarity index 85%
rename from frontend/src/components/Navbar.jsx
rename to frontend/src/components/layout/Navbar.jsx
index c9d6331..b797d77 100644
--- a/frontend/src/components/Navbar.jsx
+++ b/frontend/src/components/layout/Navbar.jsx
@@ -1,30 +1,30 @@
-import "../styles/Navbar.css";
-
-import { useContext } from "react";
-import { Link } from "react-router-dom";
-import { AuthContext } from "../context/AuthContext";
-
-export default function Navbar() {
-  const { role, logout, username } = useContext(AuthContext);
-
-  return (
-    <nav className="navbar">
-      <div className="navbar-links">
-        <Link to="/">Home</Link>
-
-        {role === "admin" && <Link to="/admin">Admin</Link>}
-      </div>
-
-      <div className="navbar-idcard">
-        <div className="navbar-idinfo">
-          <span className="navbar-username">{username}</span>
-          <span className="navbar-role">{role}</span>
-        </div>
-      </div>
-
-      <button className="navbar-logout" onClick={logout}>
-        Logout
-      </button>
-    </nav>
-  );
+import "../../styles/components/Navbar.css";
+
+import { useContext } from "react";
+import { Link } from "react-router-dom";
+import { AuthContext } from "../../context/AuthContext";
+
+export default function Navbar() {
+  const { role, logout, username } = useContext(AuthContext);
+
+  return (
+    <nav className="navbar">
+      <div className="navbar-links">
+        <Link to="/">Home</Link>
+
+        {role === "admin" && <Link to="/admin">Admin</Link>}
+      </div>
+
+      <div className="navbar-idcard">
+        <div className="navbar-idinfo">
+          <span className="navbar-username">{username}</span>
+          <span className="navbar-role">{role}</span>
+        </div>
+      </div>
+
+      <button className="navbar-logout" onClick={logout}>
+        Logout
+      </button>
+    </nav>
+  );
 }
\ No newline at end of file
diff --git a/frontend/src/components/layout/index.js b/frontend/src/components/layout/index.js
new file mode 100644
index 0000000..1e2af60
--- /dev/null
+++ b/frontend/src/components/layout/index.js
@@ -0,0 +1,4 @@
+// Barrel export for layout components
+export { default as AppLayout } from './AppLayout.jsx';
+export { default as Navbar } from './Navbar.jsx';
+
diff --git a/frontend/src/components/AddImageModal.jsx b/frontend/src/components/modals/AddImageModal.jsx
similarity index 98%
rename from frontend/src/components/AddImageModal.jsx
rename to frontend/src/components/modals/AddImageModal.jsx
index 39ab266..a1ac428 100644
--- a/frontend/src/components/AddImageModal.jsx
+++ b/frontend/src/components/modals/AddImageModal.jsx
@@ -1,5 +1,5 @@
 import { useRef, useState } from "react";
-import "../styles/AddImageModal.css";
+import "../../styles/AddImageModal.css";
 
 export default function AddImageModal({ itemName, onClose, onAddImage }) {
   const [selectedImage, setSelectedImage] = useState(null);
diff --git a/frontend/src/components/modals/AddItemWithDetailsModal.jsx b/frontend/src/components/modals/AddItemWithDetailsModal.jsx
new file mode 100644
index 0000000..b9e31fd
--- /dev/null
+++ b/frontend/src/components/modals/AddItemWithDetailsModal.jsx
@@ -0,0 +1,96 @@
+import { useState } from "react";
+import "../../styles/components/AddItemWithDetailsModal.css";
+import ClassificationSection from "../forms/ClassificationSection";
+import ImageUploadSection from "../forms/ImageUploadSection";
+
+export default function AddItemWithDetailsModal({ itemName, onConfirm, onSkip, onCancel }) {
+  const [selectedImage, setSelectedImage] = useState(null);
+  const [imagePreview, setImagePreview] = useState(null);
+  const [itemType, setItemType] = useState("");
+  const [itemGroup, setItemGroup] = useState("");
+  const [zone, setZone] = useState("");
+
+  const handleImageChange = (file) => {
+    setSelectedImage(file);
+    const reader = new FileReader();
+    reader.onloadend = () => {
+      setImagePreview(reader.result);
+    };
+    reader.readAsDataURL(file);
+  };
+
+  const handleImageRemove = () => {
+    setSelectedImage(null);
+    setImagePreview(null);
+  };
+
+  const handleItemTypeChange = (newType) => {
+    setItemType(newType);
+    setItemGroup(""); // Reset group when type changes
+  };
+
+  const handleConfirm = () => {
+    // Validate classification if provided
+    if (itemType && !itemGroup) {
+      alert("Please select an item group");
+      return;
+    }
+
+    const classification = itemType ? {
+      item_type: itemType,
+      item_group: itemGroup,
+      zone: zone || null
+    } : null;
+
+    onConfirm(selectedImage, classification);
+  };
+
+  const handleSkip = () => {
+    onSkip();
+  };
+
+  return (
+    <div className="add-item-details-overlay" onClick={onCancel}>
+      <div className="add-item-details-modal" onClick={(e) => e.stopPropagation()}>
+        <h2 className="add-item-details-title">Add Details for "{itemName}"</h2>
+        <p className="add-item-details-subtitle">Add an image and classification to help organize your list</p>
+
+        {/* Image Section */}
+        <div className="add-item-details-section">
+          <ImageUploadSection
+            imagePreview={imagePreview}
+            onImageChange={handleImageChange}
+            onImageRemove={handleImageRemove}
+          />
+        </div>
+
+        {/* Classification Section */}
+        <div className="add-item-details-section">
+          <ClassificationSection
+            itemType={itemType}
+            itemGroup={itemGroup}
+            zone={zone}
+            onItemTypeChange={handleItemTypeChange}
+            onItemGroupChange={setItemGroup}
+            onZoneChange={setZone}
+            fieldClass="add-item-details-field"
+            selectClass="add-item-details-select"
+          />
+        </div>
+
+        {/* Actions */}
+        <div className="add-item-details-actions">
+          <button onClick={onCancel} className="add-item-details-btn cancel">
+            Cancel
+          </button>
+          <button onClick={handleSkip} className="add-item-details-btn skip">
+            Skip All
+          </button>
+          <button onClick={handleConfirm} className="add-item-details-btn confirm">
+            Add Item
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/frontend/src/components/ConfirmBuyModal.jsx b/frontend/src/components/modals/ConfirmBuyModal.jsx
similarity index 97%
rename from frontend/src/components/ConfirmBuyModal.jsx
rename to frontend/src/components/modals/ConfirmBuyModal.jsx
index 3e9c7f6..e3a0dea 100644
--- a/frontend/src/components/ConfirmBuyModal.jsx
+++ b/frontend/src/components/modals/ConfirmBuyModal.jsx
@@ -1,5 +1,5 @@
 import { useState } from "react";
-import "../styles/ConfirmBuyModal.css";
+import "../../styles/ConfirmBuyModal.css";
 
 export default function ConfirmBuyModal({ item, onConfirm, onCancel }) {
   const [quantity, setQuantity] = useState(item.quantity);
diff --git a/frontend/src/components/EditItemModal.jsx b/frontend/src/components/modals/EditItemModal.jsx
similarity index 59%
rename from frontend/src/components/EditItemModal.jsx
rename to frontend/src/components/modals/EditItemModal.jsx
index 1f6c113..b7b5438 100644
--- a/frontend/src/components/EditItemModal.jsx
+++ b/frontend/src/components/modals/EditItemModal.jsx
@@ -1,6 +1,6 @@
 import { useEffect, useState } from "react";
-import { ITEM_GROUPS, ITEM_TYPES, getItemTypeLabel, getZoneValues } from "../constants/classifications";
-import "../styles/EditItemModal.css";
+import "../../styles/components/EditItemModal.css";
+import ClassificationSection from "../forms/ClassificationSection";
 
 export default function EditItemModal({ item, onSave, onCancel }) {
   const [itemName, setItemName] = useState(item.item_name || "");
@@ -19,11 +19,9 @@ export default function EditItemModal({ item, onSave, onCancel }) {
     }
   }, [item]);
 
-  const handleItemTypeChange = (e) => {
-    const newType = e.target.value;
+  const handleItemTypeChange = (newType) => {
     setItemType(newType);
-    // Reset item group when type changes
-    setItemGroup("");
+    setItemGroup(""); // Reset group when type changes
   };
 
   const handleSave = async () => {
@@ -60,8 +58,6 @@ export default function EditItemModal({ item, onSave, onCancel }) {
     }
   };
 
-  const availableGroups = itemType ? ITEM_GROUPS[itemType] || [] : [];
-
   return (
     <div className="edit-modal-overlay" onClick={onCancel}>
       <div className="edit-modal-content" onClick={(e) => e.stopPropagation()}>
@@ -90,57 +86,16 @@ export default function EditItemModal({ item, onSave, onCancel }) {
 
         <div className="edit-modal-divider" />
 
-        <h3 className="edit-modal-subtitle">Item Classification</h3>
-
-        <div className="edit-modal-field">
-          <label>Item Type</label>
-          <select
-            value={itemType}
-            onChange={handleItemTypeChange}
-            className="edit-modal-select"
-          >
-            <option value="">-- Select Type --</option>
-            {Object.values(ITEM_TYPES).map((type) => (
-              <option key={type} value={type}>
-                {getItemTypeLabel(type)}
-              </option>
-            ))}
-          </select>
-        </div>
-
-        {itemType && (
-          <div className="edit-modal-field">
-            <label>Item Group</label>
-            <select
-              value={itemGroup}
-              onChange={(e) => setItemGroup(e.target.value)}
-              className="edit-modal-select"
-            >
-              <option value="">-- Select Group --</option>
-              {availableGroups.map((group) => (
-                <option key={group} value={group}>
-                  {group}
-                </option>
-              ))}
-            </select>
-          </div>
-        )}
-
-        <div className="edit-modal-field">
-          <label>Zone (Optional)</label>
-          <select
-            value={zone}
-            onChange={(e) => setZone(e.target.value)}
-            className="edit-modal-select"
-          >
-            <option value="">-- Select Zone --</option>
-            {getZoneValues().map((z) => (
-              <option key={z} value={z}>
-                {z}
-              </option>
-            ))}
-          </select>
-        </div>
+        <ClassificationSection
+          itemType={itemType}
+          itemGroup={itemGroup}
+          zone={zone}
+          onItemTypeChange={handleItemTypeChange}
+          onItemGroupChange={setItemGroup}
+          onZoneChange={setZone}
+          fieldClass="edit-modal-field"
+          selectClass="edit-modal-select"
+        />
 
         <div className="edit-modal-actions">
           <button
diff --git a/frontend/src/components/ImageModal.jsx b/frontend/src/components/modals/ImageModal.jsx
similarity index 94%
rename from frontend/src/components/ImageModal.jsx
rename to frontend/src/components/modals/ImageModal.jsx
index 2bb4464..57bc39d 100644
--- a/frontend/src/components/ImageModal.jsx
+++ b/frontend/src/components/modals/ImageModal.jsx
@@ -1,5 +1,5 @@
 import { useEffect } from "react";
-import "../styles/ImageModal.css";
+import "../../styles/ImageModal.css";
 
 export default function ImageModal({ imageUrl, itemName, onClose }) {
   useEffect(() => {
diff --git a/frontend/src/components/ImageUploadModal.jsx b/frontend/src/components/modals/ImageUploadModal.jsx
similarity index 98%
rename from frontend/src/components/ImageUploadModal.jsx
rename to frontend/src/components/modals/ImageUploadModal.jsx
index 99c7ca9..6797409 100644
--- a/frontend/src/components/ImageUploadModal.jsx
+++ b/frontend/src/components/modals/ImageUploadModal.jsx
@@ -1,5 +1,5 @@
 import { useRef, useState } from "react";
-import "../styles/ImageUploadModal.css";
+import "../../styles/ImageUploadModal.css";
 
 export default function ImageUploadModal({ itemName, onConfirm, onSkip, onCancel }) {
   const [selectedImage, setSelectedImage] = useState(null);
diff --git a/frontend/src/components/ItemClassificationModal.jsx b/frontend/src/components/modals/ItemClassificationModal.jsx
similarity index 98%
rename from frontend/src/components/ItemClassificationModal.jsx
rename to frontend/src/components/modals/ItemClassificationModal.jsx
index 9839134..bd2d384 100644
--- a/frontend/src/components/ItemClassificationModal.jsx
+++ b/frontend/src/components/modals/ItemClassificationModal.jsx
@@ -1,6 +1,6 @@
 import { useState } from "react";
+import "../../styles/ItemClassificationModal.css";
 import { ITEM_GROUPS, ITEM_TYPES, ZONES, getItemTypeLabel } from "../constants/classifications";
-import "../styles/ItemClassificationModal.css";
 
 export default function ItemClassificationModal({ itemName, onConfirm, onSkip }) {
   const [itemType, setItemType] = useState("");
diff --git a/frontend/src/components/SimilarItemModal.jsx b/frontend/src/components/modals/SimilarItemModal.jsx
similarity index 95%
rename from frontend/src/components/SimilarItemModal.jsx
rename to frontend/src/components/modals/SimilarItemModal.jsx
index 2c4ed71..7782f62 100644
--- a/frontend/src/components/SimilarItemModal.jsx
+++ b/frontend/src/components/modals/SimilarItemModal.jsx
@@ -1,4 +1,4 @@
-import "../styles/SimilarItemModal.css";
+import "../../styles/SimilarItemModal.css";
 
 export default function SimilarItemModal({ originalName, suggestedName, onCancel, onNo, onYes }) {
   return (
diff --git a/frontend/src/components/modals/index.js b/frontend/src/components/modals/index.js
new file mode 100644
index 0000000..ab72dac
--- /dev/null
+++ b/frontend/src/components/modals/index.js
@@ -0,0 +1,10 @@
+// Barrel export for modal components
+export { default as AddImageModal } from './AddImageModal.jsx';
+export { default as AddItemWithDetailsModal } from './AddItemWithDetailsModal.jsx';
+export { default as ConfirmBuyModal } from './ConfirmBuyModal.jsx';
+export { default as EditItemModal } from './EditItemModal.jsx';
+export { default as ImageModal } from './ImageModal.jsx';
+export { default as ImageUploadModal } from './ImageUploadModal.jsx';
+export { default as ItemClassificationModal } from './ItemClassificationModal.jsx';
+export { default as SimilarItemModal } from './SimilarItemModal.jsx';
+
diff --git a/frontend/src/index.css b/frontend/src/index.css
index 0870011..837761b 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -68,16 +68,32 @@ button:focus-visible {
 } */
 
 
+/**
+ * Global Base Styles
+ * Uses theme variables defined in theme.css
+ */
+
+* {
+  box-sizing: border-box;
+}
+
 body {
-  font-family: Arial, sans-serif;
+  font-family: var(--font-family-base);
+  font-size: var(--font-size-base);
+  line-height: var(--line-height-normal);
+  color: var(--color-text-primary);
+  background: var(--color-bg-body);
   margin: 0;
-  padding: 1em;
-  background: #f8f9fa;
+  padding: var(--spacing-md);
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
 }
 
 .container {
-  max-width: 480px;
+  max-width: var(--container-max-width);
   margin: auto;
+  padding: var(--container-padding);
+}
   background: white;
   padding: 1em;
   border-radius: 8px;
diff --git a/frontend/src/main.tsx b/frontend/src/main.tsx
index 1a03893..e2b0d77 100644
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -2,6 +2,7 @@ import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
 import App from './App.jsx'
 import './index.css'
+import './styles/theme.css'
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
diff --git a/frontend/src/move-components.sh b/frontend/src/move-components.sh
new file mode 100644
index 0000000..b540a83
--- /dev/null
+++ b/frontend/src/move-components.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Move to common/
+mv components/FloatingActionButton.jsx components/common/
+mv components/SortDropdown.jsx components/common/
+mv components/ErrorMessage.jsx components/common/
+mv components/FormInput.jsx components/common/
+mv components/UserRoleCard.jsx components/common/
+
+# Move to modals/
+mv components/AddItemWithDetailsModal.jsx components/modals/
+mv components/EditItemModal.jsx components/modals/
+mv components/SimilarItemModal.jsx components/modals/
+mv components/ConfirmBuyModal.jsx components/modals/
+mv components/ImageModal.jsx components/modals/
+mv components/AddImageModal.jsx components/modals/
+mv components/ImageUploadModal.jsx components/modals/
+mv components/ItemClassificationModal.jsx components/modals/
+
+# Move to forms/
+mv components/AddItemForm.jsx components/forms/
+mv components/ImageUploadSection.jsx components/forms/
+mv components/ClassificationSection.jsx components/forms/
+
+# Move to items/
+mv components/GroceryListItem.jsx components/items/
+mv components/GroceryItem.tsx components/items/
+mv components/SuggestionList.tsx components/items/
+
+# Move to layout/
+mv components/AppLayout.jsx components/layout/
+mv components/Navbar.jsx components/layout/
+
+echo "Components moved successfully!"
diff --git a/frontend/src/move-styles.sh b/frontend/src/move-styles.sh
new file mode 100644
index 0000000..ab65783
--- /dev/null
+++ b/frontend/src/move-styles.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Move page styles
+mv styles/GroceryList.css styles/pages/
+mv styles/Login.css styles/pages/
+mv styles/Register.css styles/pages/
+
+# Move component styles
+mv styles/Navbar.css styles/components/
+mv styles/AddItemWithDetailsModal.css styles/components/
+mv styles/EditItemModal.css styles/components/
+mv styles/ImageUploadSection.css styles/components/
+mv styles/ClassificationSection.css styles/components/
+
+echo "Styles moved successfully!"
diff --git a/frontend/src/pages/AdminPanel.jsx b/frontend/src/pages/AdminPanel.jsx
index ecbd806..b3e391a 100644
--- a/frontend/src/pages/AdminPanel.jsx
+++ b/frontend/src/pages/AdminPanel.jsx
@@ -1,6 +1,6 @@
 import { useEffect, useState } from "react";
 import { getAllUsers, updateRole } from "../api/users";
-import UserRoleCard from "../components/UserRoleCard";
+import UserRoleCard from "../components/common/UserRoleCard";
 import "../styles/UserRoleCard.css";
 
 export default function AdminPanel() {
diff --git a/frontend/src/pages/GroceryList.jsx b/frontend/src/pages/GroceryList.jsx
index cd7a947..1f56af0 100644
--- a/frontend/src/pages/GroceryList.jsx
+++ b/frontend/src/pages/GroceryList.jsx
@@ -1,15 +1,15 @@
 import { useContext, useEffect, useState } from "react";
 import { addItem, getClassification, getItemByName, getList, getRecentlyBought, getSuggestions, markBought, updateItemImage, updateItemWithClassification } from "../api/list";
-import AddItemForm from "../components/AddItemForm";
-import AddItemWithDetailsModal from "../components/AddItemWithDetailsModal";
-import EditItemModal from "../components/EditItemModal";
-import FloatingActionButton from "../components/FloatingActionButton";
-import GroceryListItem from "../components/GroceryListItem";
-import SimilarItemModal from "../components/SimilarItemModal";
-import SortDropdown from "../components/SortDropdown";
+import FloatingActionButton from "../components/common/FloatingActionButton";
+import SortDropdown from "../components/common/SortDropdown";
+import AddItemForm from "../components/forms/AddItemForm";
+import GroceryListItem from "../components/items/GroceryListItem";
+import AddItemWithDetailsModal from "../components/modals/AddItemWithDetailsModal";
+import EditItemModal from "../components/modals/EditItemModal";
+import SimilarItemModal from "../components/modals/SimilarItemModal";
 import { ROLES } from "../constants/roles";
 import { AuthContext } from "../context/AuthContext";
-import "../styles/GroceryList.css";
+import "../styles/pages/GroceryList.css";
 import { findSimilarItems } from "../utils/stringSimilarity";
 
 export default function GroceryList() {
@@ -17,6 +17,7 @@ export default function GroceryList() {
 
   const [items, setItems] = useState([]);
   const [recentlyBoughtItems, setRecentlyBoughtItems] = useState([]);
+  const [recentlyBoughtDisplayCount, setRecentlyBoughtDisplayCount] = useState(10);
   const [sortedItems, setSortedItems] = useState([]);
   const [sortMode, setSortMode] = useState("zone");
   const [suggestions, setSuggestions] = useState([]);
@@ -94,15 +95,18 @@ export default function GroceryList() {
       return;
     }
 
+    // Combine both unbought and recently bought items for similarity checking
+    const allItems = [...items, ...recentlyBoughtItems];
+
     // Check if exact match exists (case-insensitive)
     const lowerText = text.toLowerCase().trim();
-    const exactMatch = items.find(item => item.item_name.toLowerCase() === lowerText);
+    const exactMatch = allItems.find(item => item.item_name.toLowerCase() === lowerText);
 
     if (exactMatch) {
       setButtonText("Add Item");
     } else {
       // Check for similar items (80% match)
-      const similar = findSimilarItems(text, items, 80);
+      const similar = findSimilarItems(text, allItems, 80);
       if (similar.length > 0) {
         // Show suggestion in button but allow creation
         setButtonText("Create and Add Item");
@@ -125,8 +129,11 @@ export default function GroceryList() {
 
     const lowerItemName = itemName.toLowerCase().trim();
 
+    // Combine both unbought and recently bought items for similarity checking
+    const allItems = [...items, ...recentlyBoughtItems];
+
     // Check for 80% similar items
-    const similar = findSimilarItems(itemName, items, 80);
+    const similar = findSimilarItems(itemName, allItems, 80);
     if (similar.length > 0) {
       // Show modal and wait for user decision
       setSimilarItemSuggestion({ originalName: itemName, suggestedItem: similar[0], quantity });
@@ -385,7 +392,7 @@ export default function GroceryList() {
           <>
             <h2 className="glist-section-title">Recently Bought (24HR)</h2>
             <ul className="glist-ul">
-              {recentlyBoughtItems.map((item) => (
+              {recentlyBoughtItems.slice(0, recentlyBoughtDisplayCount).map((item) => (
                 <GroceryListItem
                   key={item.id}
                   item={item}
@@ -399,6 +406,16 @@ export default function GroceryList() {
                 />
               ))}
             </ul>
+            {recentlyBoughtDisplayCount < recentlyBoughtItems.length && (
+              <div style={{ textAlign: 'center', marginTop: '1rem' }}>
+                <button
+                  className="glist-show-more-btn"
+                  onClick={() => setRecentlyBoughtDisplayCount(prev => prev + 10)}
+                >
+                  Show More ({recentlyBoughtItems.length - recentlyBoughtDisplayCount} remaining)
+                </button>
+              </div>
+            )}
           </>
         )}
       </div>
diff --git a/frontend/src/pages/Login.jsx b/frontend/src/pages/Login.jsx
index 7768c49..7a100bc 100644
--- a/frontend/src/pages/Login.jsx
+++ b/frontend/src/pages/Login.jsx
@@ -1,10 +1,10 @@
 import { useContext, useState } from "react";
 import { Link } from "react-router-dom";
 import { loginRequest } from "../api/auth";
-import ErrorMessage from "../components/ErrorMessage";
-import FormInput from "../components/FormInput";
+import ErrorMessage from "../components/common/ErrorMessage";
+import FormInput from "../components/common/FormInput";
 import { AuthContext } from "../context/AuthContext";
-import "../styles/Login.css";
+import "../styles/pages/Login.css";
 
 export default function Login() {
   const { login } = useContext(AuthContext);
diff --git a/frontend/src/pages/Register.jsx b/frontend/src/pages/Register.jsx
index 6f42f9e..f39d20c 100644
--- a/frontend/src/pages/Register.jsx
+++ b/frontend/src/pages/Register.jsx
@@ -2,10 +2,10 @@ import { useContext, useEffect, useState } from "react";
 import { Link, useNavigate } from "react-router-dom";
 import { loginRequest, registerRequest } from "../api/auth";
 import { checkIfUserExists } from "../api/users";
-import ErrorMessage from "../components/ErrorMessage";
-import FormInput from "../components/FormInput";
+import ErrorMessage from "../components/common/ErrorMessage";
+import FormInput from "../components/common/FormInput";
 import { AuthContext } from "../context/AuthContext";
-import "../styles/Register.css";
+import "../styles/pages/Register.css";
 
 export default function Register() {
   const navigate = useNavigate();
diff --git a/frontend/src/styles/THEME_USAGE_EXAMPLES.css b/frontend/src/styles/THEME_USAGE_EXAMPLES.css
new file mode 100644
index 0000000..16d24ea
--- /dev/null
+++ b/frontend/src/styles/THEME_USAGE_EXAMPLES.css
@@ -0,0 +1,130 @@
+/**
+ * Theme Variable Usage Examples
+ * 
+ * This file demonstrates how to refactor existing CSS to use theme variables.
+ * Copy these patterns when updating component styles.
+ */
+
+/* ============================================
+   BEFORE: Hardcoded values
+   ============================================ */
+.button-old {
+  background: #007bff;
+  color: white;
+  padding: 0.6em 1.2em;
+  border-radius: 4px;
+  border: none;
+  font-size: 1em;
+  transition: 0.2s;
+}
+
+.button-old:hover {
+  background: #0056b3;
+}
+
+/* ============================================
+   AFTER: Using theme variables
+   ============================================ */
+.button-new {
+  background: var(--color-primary);
+  color: var(--color-text-inverse);
+  padding: var(--button-padding-y) var(--button-padding-x);
+  border-radius: var(--button-border-radius);
+  border: none;
+  font-size: var(--font-size-base);
+  font-weight: var(--button-font-weight);
+  transition: var(--transition-base);
+  cursor: pointer;
+}
+
+.button-new:hover {
+  background: var(--color-primary-hover);
+}
+
+/* ============================================
+   MORE EXAMPLES
+   ============================================ */
+
+/* Input Field */
+.input-field {
+  padding: var(--input-padding-y) var(--input-padding-x);
+  border: var(--border-width-thin) solid var(--input-border-color);
+  border-radius: var(--input-border-radius);
+  font-size: var(--font-size-base);
+  font-family: var(--font-family-base);
+  transition: var(--transition-base);
+}
+
+.input-field:focus {
+  outline: none;
+  border-color: var(--input-focus-border-color);
+  box-shadow: var(--input-focus-shadow);
+}
+
+/* Card Component */
+.card {
+  background: var(--card-bg);
+  padding: var(--card-padding);
+  border-radius: var(--card-border-radius);
+  box-shadow: var(--card-shadow);
+  margin-bottom: var(--spacing-md);
+}
+
+/* Modal */
+.modal-overlay {
+  background: var(--modal-backdrop-bg);
+  position: fixed;
+  inset: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: var(--z-modal);
+}
+
+.modal-content {
+  background: var(--modal-bg);
+  padding: var(--modal-padding);
+  border-radius: var(--modal-border-radius);
+  max-width: var(--modal-max-width);
+  box-shadow: var(--shadow-xl);
+}
+
+/* Text Styles */
+.heading-primary {
+  font-size: var(--font-size-2xl);
+  font-weight: var(--font-weight-bold);
+  color: var(--color-text-primary);
+  margin-bottom: var(--spacing-md);
+}
+
+.text-muted {
+  color: var(--color-text-secondary);
+  font-size: var(--font-size-sm);
+}
+
+/* Spacing Examples */
+.section {
+  margin-bottom: var(--spacing-xl);
+}
+
+.field-group {
+  margin-bottom: var(--spacing-md);
+}
+
+/* Border Examples */
+.divider {
+  border-bottom: var(--border-width-thin) solid var(--color-border-light);
+  margin: var(--spacing-lg) 0;
+}
+
+/* ============================================
+   BENEFITS OF USING THEME VARIABLES
+   ============================================
+   
+   1. Consistency: All components use the same colors/spacing
+   2. Maintainability: Change once, update everywhere
+   3. Theme switching: Easy to implement dark mode
+   4. Scalability: Add new colors/sizes without touching components
+   5. Documentation: Variable names are self-documenting
+   
+*/
diff --git a/frontend/src/styles/AddItemWithDetailsModal.css b/frontend/src/styles/components/AddItemWithDetailsModal.css
similarity index 100%
rename from frontend/src/styles/AddItemWithDetailsModal.css
rename to frontend/src/styles/components/AddItemWithDetailsModal.css
diff --git a/frontend/src/styles/components/ClassificationSection.css b/frontend/src/styles/components/ClassificationSection.css
new file mode 100644
index 0000000..1b06669
--- /dev/null
+++ b/frontend/src/styles/components/ClassificationSection.css
@@ -0,0 +1,44 @@
+/* Classification Section */
+.classification-section {
+  margin-bottom: 1.5rem;
+}
+
+.classification-title {
+  font-size: 1em;
+  font-weight: 600;
+  margin-bottom: 0.8rem;
+  color: #333;
+}
+
+.classification-field {
+  margin-bottom: 1rem;
+}
+
+.classification-field label {
+  display: block;
+  font-size: 0.9em;
+  font-weight: 500;
+  margin-bottom: 0.4rem;
+  color: #555;
+}
+
+.classification-select {
+  width: 100%;
+  padding: 0.6rem;
+  font-size: 1em;
+  border: 1px solid #ccc;
+  border-radius: 4px;
+  background: white;
+  cursor: pointer;
+  transition: border-color 0.2s;
+}
+
+.classification-select:focus {
+  outline: none;
+  border-color: #007bff;
+  box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
+}
+
+.classification-select:hover {
+  border-color: #999;
+}
diff --git a/frontend/src/styles/EditItemModal.css b/frontend/src/styles/components/EditItemModal.css
similarity index 100%
rename from frontend/src/styles/EditItemModal.css
rename to frontend/src/styles/components/EditItemModal.css
diff --git a/frontend/src/styles/components/ImageUploadSection.css b/frontend/src/styles/components/ImageUploadSection.css
new file mode 100644
index 0000000..79c1378
--- /dev/null
+++ b/frontend/src/styles/components/ImageUploadSection.css
@@ -0,0 +1,86 @@
+/* Image Upload Section */
+.image-upload-section {
+  margin-bottom: 1.5rem;
+}
+
+.image-upload-title {
+  font-size: 1em;
+  font-weight: 600;
+  margin-bottom: 0.8rem;
+  color: #333;
+}
+
+.image-upload-content {
+  border: 2px dashed #ccc;
+  border-radius: 8px;
+  padding: 1rem;
+  background: #f9f9f9;
+}
+
+.image-upload-options {
+  display: flex;
+  flex-direction: column;
+  gap: 0.8rem;
+}
+
+.image-upload-btn {
+  padding: 0.8rem 1rem;
+  font-size: 1em;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  transition: all 0.2s;
+  font-weight: 500;
+}
+
+.image-upload-btn.camera {
+  background: #007bff;
+  color: white;
+}
+
+.image-upload-btn.camera:hover {
+  background: #0056b3;
+}
+
+.image-upload-btn.gallery {
+  background: #6c757d;
+  color: white;
+}
+
+.image-upload-btn.gallery:hover {
+  background: #545b62;
+}
+
+.image-upload-preview {
+  position: relative;
+  max-width: 300px;
+  margin: 0 auto;
+}
+
+.image-upload-preview img {
+  width: 100%;
+  border-radius: 8px;
+  display: block;
+}
+
+.image-upload-remove {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  background: rgba(255, 0, 0, 0.8);
+  color: white;
+  border: none;
+  border-radius: 50%;
+  width: 30px;
+  height: 30px;
+  font-size: 1.2em;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: background 0.2s;
+}
+
+.image-upload-remove:hover {
+  background: rgba(255, 0, 0, 1);
+}
diff --git a/frontend/src/styles/Navbar.css b/frontend/src/styles/components/Navbar.css
similarity index 93%
rename from frontend/src/styles/Navbar.css
rename to frontend/src/styles/components/Navbar.css
index 5bca7aa..30d23a2 100644
--- a/frontend/src/styles/Navbar.css
+++ b/frontend/src/styles/components/Navbar.css
@@ -1,58 +1,58 @@
-.navbar {
-  background: #343a40;
-  color: white;
-  padding: 0.6em 1em;
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  border-radius: 4px;
-  margin-bottom: 1em;
-}
-
-.navbar-links a {
-  color: white;
-  margin-right: 1em;
-  text-decoration: none;
-  font-size: 1.1em;
-}
-
-.navbar-links a:hover {
-  text-decoration: underline;
-}
-
-.navbar-logout {
-  background: #dc3545;
-  color: white;
-  border: none;
-  padding: 0.4em 0.8em;
-  border-radius: 4px;
-  cursor: pointer;
-  width: 100px;
-}
-
-.navbar-idcard {
-  display: flex;
-  align-items: center;
-  align-content: center;
-  margin-right: 1em;
-  padding: 0.3em 0.6em;
-  background: #495057;
-  border-radius: 4px;
-  color: white;
-}
-
-.navbar-idinfo {
-  display: flex;
-  flex-direction: column;
-  line-height: 1.1;
-}
-
-.navbar-username {
-  font-size: 0.95em;
-  font-weight: bold;
-}
-
-.navbar-role {
-  font-size: 0.75em;
-  opacity: 0.8;
-}
+.navbar {
+  background: #343a40;
+  color: white;
+  padding: 0.6em 1em;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  border-radius: 4px;
+  margin-bottom: 1em;
+}
+
+.navbar-links a {
+  color: white;
+  margin-right: 1em;
+  text-decoration: none;
+  font-size: 1.1em;
+}
+
+.navbar-links a:hover {
+  text-decoration: underline;
+}
+
+.navbar-logout {
+  background: #dc3545;
+  color: white;
+  border: none;
+  padding: 0.4em 0.8em;
+  border-radius: 4px;
+  cursor: pointer;
+  width: 100px;
+}
+
+.navbar-idcard {
+  display: flex;
+  align-items: center;
+  align-content: center;
+  margin-right: 1em;
+  padding: 0.3em 0.6em;
+  background: #495057;
+  border-radius: 4px;
+  color: white;
+}
+
+.navbar-idinfo {
+  display: flex;
+  flex-direction: column;
+  line-height: 1.1;
+}
+
+.navbar-username {
+  font-size: 0.95em;
+  font-weight: bold;
+}
+
+.navbar-role {
+  font-size: 0.75em;
+  opacity: 0.8;
+}
diff --git a/frontend/src/styles/GroceryList.css b/frontend/src/styles/pages/GroceryList.css
similarity index 69%
rename from frontend/src/styles/GroceryList.css
rename to frontend/src/styles/pages/GroceryList.css
index b07e1f6..e50c865 100644
--- a/frontend/src/styles/GroceryList.css
+++ b/frontend/src/styles/pages/GroceryList.css
@@ -1,304 +1,323 @@
-/* Container */
-.glist-body {
-  font-family: Arial, sans-serif;
-  padding: 1em;
-  background: #f8f9fa;
-}
-
-.glist-container {
-  max-width: 480px;
-  margin: auto;
-  background: white;
-  padding: 1em;
-  border-radius: 8px;
-  box-shadow: 0 0 10px rgba(0,0,0,0.08);
-}
-
-/* Title */
-.glist-title {
-  text-align: center;
-  font-size: 1.5em;
-  margin-bottom: 0.4em;
-}
-
-.glist-section-title {
-  text-align: center;
-  font-size: 1.2em;
-  margin-top: 2em;
-  margin-bottom: 0.5em;
-  color: #495057;
-  border-top: 2px solid #e0e0e0;
-  padding-top: 1em;
-}
-
-/* Classification Groups */
-.glist-classification-group {
-  margin-bottom: 2em;
-}
-
-.glist-classification-header {
-  font-size: 1.1em;
-  font-weight: 600;
-  color: #007bff;
-  margin: 1em 0 0.5em 0;
-  padding: 0.5em 0.8em;
-  background: #e7f3ff;
-  border-left: 4px solid #007bff;
-  border-radius: 4px;
-}
-
-/* Inputs */
-.glist-input {
-  font-size: 1em;
-  padding: 0.5em;
-  margin: 0.3em 0;
-  width: 100%;
-  box-sizing: border-box;
-}
-
-/* Buttons */
-.glist-btn {
-  font-size: 1em;
-  padding: 0.55em;
-  width: 100%;
-  margin-top: 0.4em;
-  cursor: pointer;
-  border: none;
-  background: #007bff;
-  color: white;
-  border-radius: 4px;
-}
-
-.glist-btn:hover {
-  background: #0067d8;
-}
-
-/* Suggestion dropdown */
-.glist-suggest-box {
-  background: #fff;
-  border: 1px solid #ccc;
-  max-height: 150px;
-  overflow-y: auto;
-  position: absolute;
-  z-index: 999;  
-  border-radius: 8px;
-  box-shadow: 0 0 10px rgba(0,0,0,0.08);
-  padding: 1em;
-  width: calc(100% - 8em);  
-  max-width: 440px;  
-  margin: 0 auto;    
-}
-
-.glist-suggest-item {
-  padding: 0.5em;
-  padding-inline: 2em;
-  cursor: pointer;
-}
-
-.glist-suggest-item:hover {
-  background: #eee;
-}
-
-/* Grocery list items */
-.glist-ul {
-  list-style: none;
-  padding: 0;
-  margin-top: 1em;
-}
-
-.glist-li {
-  background: #fff;
-  border: 1px solid #e0e0e0;
-  border-radius: 8px;
-  margin-bottom: 0.8em;
-  cursor: pointer;
-  transition: box-shadow 0.2s, transform 0.2s;
-  overflow: hidden;
-}
-
-.glist-li:hover {
-  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
-  transform: translateY(-2px);
-}
-
-.glist-item-layout {
-  display: flex;
-  gap: 1em;
-  padding: 0em;
-  align-items: center;
-}
-
-.glist-item-image {
-  width: 50px;
-  height: 50px;
-  min-width: 50px;
-  background: #f5f5f5;
-  border: 2px solid #e0e0e0;
-  border-radius: 8px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  font-size: 2em;
-  color: #ccc;
-  overflow: hidden;
-  position: relative;
-}
-
-.glist-item-image.has-image {
-  border-color: #007bff;
-  background: #fff;
-}
-
-.glist-item-image img {
-  width: 100%;
-  height: 100%;
-  object-fit: cover;
-}
-
-.glist-item-image.has-image:hover {
-  opacity: 0.8;
-  box-shadow: 0 0 8px rgba(0, 123, 255, 0.3);
-}
-
-.glist-item-content {
-  display: flex;
-  flex-direction: column;
-  gap: 0.4em;
-  flex: 1;
-  min-width: 0;
-}
-
-.glist-item-header {
-  display: flex;
-  align-items: baseline;
-  gap: 0.5em;
-  flex-wrap: wrap;
-}
-
-.glist-item-name {
-  font-weight: 800;
-  font-size: 0.8em;
-  color: #333;
-}
-
-.glist-item-quantity {
-  position: absolute;
-  top: 0;
-  right: 0;
-  background: rgba(0, 123, 255, 0.9);
-  color: white;
-  font-weight: 700;
-  font-size: 0.3em;
-  padding: 0.2em 0.4em;
-  border-radius: 0 6px 0 4px;
-  min-width: 20%;
-  text-align: center;
-  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
-}
-
-.glist-item-users {
-  font-size: 0.7em;
-  color: #888;
-  font-style: italic;
-}
-
-/* Sorting dropdown */
-.glist-sort {
-  width: 100%;
-  margin: 0.3em 0;
-  padding: 0.5em;
-  font-size: 1em;
-  border-radius: 4px;
-}
-
-/* Image upload */
-.glist-image-upload {
-  margin: 0.5em 0;
-}
-
-.glist-image-label {
-  display: block;
-  padding: 0.6em;
-  background: #f0f0f0;
-  border: 2px dashed #ccc;
-  border-radius: 4px;
-  text-align: center;
-  cursor: pointer;
-  transition: all 0.2s;
-}
-
-.glist-image-label:hover {
-  background: #e8e8e8;
-  border-color: #007bff;
-}
-
-.glist-image-preview {
-  position: relative;
-  margin-top: 0.5em;
-  display: inline-block;
-}
-
-.glist-image-preview img {
-  max-width: 150px;
-  max-height: 150px;
-  border-radius: 8px;
-  border: 2px solid #ddd;
-}
-
-.glist-remove-image {
-  position: absolute;
-  top: -8px;
-  right: -8px;
-  width: 28px;
-  height: 28px;
-  border-radius: 50%;
-  background: #ff4444;
-  color: white;
-  border: 2px solid white;
-  font-size: 1.2rem;
-  line-height: 1;
-  cursor: pointer;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-}
-
-.glist-remove-image:hover {
-  background: #cc0000;
-}
-
-/* Floating Action Button (FAB) */
-.glist-fab {
-  position: fixed;
-  bottom: 20px;
-  right: 20px;
-  background: #28a745;
-  color: white;
-  border: none;
-  border-radius: 50%;
-  width: 62px;
-  height: 62px;
-  font-size: 2em;
-  line-height: 0;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
-  cursor: pointer;
-}
-
-.glist-fab:hover {
-  background: #218838;
-}
-
-/* Mobile tweaks */
-@media (max-width: 480px) {
-  .glist-container {
-    padding: 1em 0.8em;
-  }
-  
-  .glist-fab {
-    bottom: 16px;
-    right: 16px;
-  }
-}
+/* Container */
+.glist-body {
+  font-family: var(--font-family-base);
+  padding: var(--spacing-md);
+  background: var(--color-bg-body);
+}
+
+.glist-container {
+  max-width: var(--container-max-width);
+  margin: auto;
+  background: var(--color-bg-surface);
+  padding: var(--spacing-md);
+  border-radius: var(--border-radius-lg);
+  box-shadow: var(--shadow-card);
+}
+
+/* Title */
+.glist-title {
+  text-align: center;
+  font-size: var(--font-size-2xl);
+  margin-bottom: var(--spacing-sm);
+}
+
+.glist-section-title {
+  text-align: center;
+  font-size: var(--font-size-xl);
+  margin-top: var(--spacing-xl);
+  margin-bottom: var(--spacing-sm);
+  color: var(--color-gray-700);
+  border-top: var(--border-width-medium) solid var(--color-border-light);
+  padding-top: var(--spacing-md);
+}
+
+/* Classification Groups */
+.glist-classification-group {
+  margin-bottom: var(--spacing-xl);
+}
+
+.glist-classification-header {
+  font-size: var(--font-size-lg);
+  font-weight: var(--font-weight-semibold);
+  color: var(--color-primary);
+  margin: var(--spacing-md) 0 var(--spacing-sm) 0;
+  padding: var(--spacing-sm) var(--spacing-md);
+  background: var(--color-primary-light);
+  border-left: var(--border-width-thick) solid var(--color-primary);
+  border-radius: var(--border-radius-sm);
+}
+
+/* Inputs */
+.glist-input {
+  font-size: 1em;
+  padding: 0.5em;
+  margin: 0.3em 0;
+  width: 100%;
+  box-sizing: border-box;
+}
+
+/* Buttons */
+.glist-btn {
+  font-size: var(--font-size-base);
+  padding: var(--button-padding-y);
+  width: 100%;
+  margin-top: var(--spacing-sm);
+  cursor: pointer;
+  border: none;
+  background: var(--color-primary);
+  color: var(--color-text-inverse);
+  border-radius: var(--button-border-radius);
+  font-weight: var(--button-font-weight);
+  transition: var(--transition-base);
+}
+
+.glist-btn:hover {
+  background: var(--color-primary-dark);
+}
+
+.glist-show-more-btn {
+  font-size: var(--font-size-sm);
+  padding: var(--spacing-sm) var(--spacing-lg);
+  cursor: pointer;
+  border: var(--border-width-thin) solid var(--color-primary);
+  background: var(--color-bg-surface);
+  color: var(--color-primary);
+  border-radius: var(--button-border-radius);
+  transition: var(--transition-base);
+  font-weight: var(--button-font-weight);
+}
+
+.glist-show-more-btn:hover {
+  background: var(--color-primary);
+  color: var(--color-text-inverse);
+}
+
+/* Suggestion dropdown */
+.glist-suggest-box {
+  background: #fff;
+  border: 1px solid #ccc;
+  max-height: 150px;
+  overflow-y: auto;
+  position: absolute;
+  z-index: 999;  
+  border-radius: 8px;
+  box-shadow: 0 0 10px rgba(0,0,0,0.08);
+  padding: 1em;
+  width: calc(100% - 8em);  
+  max-width: 440px;  
+  margin: 0 auto;    
+}
+
+.glist-suggest-item {
+  padding: 0.5em;
+  padding-inline: 2em;
+  cursor: pointer;
+}
+
+.glist-suggest-item:hover {
+  background: #eee;
+}
+
+/* Grocery list items */
+.glist-ul {
+  list-style: none;
+  padding: 0;
+  margin-top: 1em;
+}
+
+.glist-li {
+  background: #fff;
+  border: 1px solid #e0e0e0;
+  border-radius: 8px;
+  margin-bottom: 0.8em;
+  cursor: pointer;
+  transition: box-shadow 0.2s, transform 0.2s;
+  overflow: hidden;
+}
+
+.glist-li:hover {
+  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+  transform: translateY(-2px);
+}
+
+.glist-item-layout {
+  display: flex;
+  gap: 1em;
+  padding: 0em;
+  align-items: center;
+}
+
+.glist-item-image {
+  width: 50px;
+  height: 50px;
+  min-width: 50px;
+  background: #f5f5f5;
+  border: 2px solid #e0e0e0;
+  border-radius: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 2em;
+  color: #ccc;
+  overflow: hidden;
+  position: relative;
+}
+
+.glist-item-image.has-image {
+  border-color: #007bff;
+  background: #fff;
+}
+
+.glist-item-image img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.glist-item-image.has-image:hover {
+  opacity: 0.8;
+  box-shadow: 0 0 8px rgba(0, 123, 255, 0.3);
+}
+
+.glist-item-content {
+  display: flex;
+  flex-direction: column;
+  gap: 0.4em;
+  flex: 1;
+  min-width: 0;
+}
+
+.glist-item-header {
+  display: flex;
+  align-items: baseline;
+  gap: 0.5em;
+  flex-wrap: wrap;
+}
+
+.glist-item-name {
+  font-weight: 800;
+  font-size: 0.8em;
+  color: #333;
+}
+
+.glist-item-quantity {
+  position: absolute;
+  top: 0;
+  right: 0;
+  background: rgba(0, 123, 255, 0.9);
+  color: white;
+  font-weight: 700;
+  font-size: 0.3em;
+  padding: 0.2em 0.4em;
+  border-radius: 0 6px 0 4px;
+  min-width: 20%;
+  text-align: center;
+  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
+}
+
+.glist-item-users {
+  font-size: 0.7em;
+  color: #888;
+  font-style: italic;
+}
+
+/* Sorting dropdown */
+.glist-sort {
+  width: 100%;
+  margin: 0.3em 0;
+  padding: 0.5em;
+  font-size: 1em;
+  border-radius: 4px;
+}
+
+/* Image upload */
+.glist-image-upload {
+  margin: 0.5em 0;
+}
+
+.glist-image-label {
+  display: block;
+  padding: 0.6em;
+  background: #f0f0f0;
+  border: 2px dashed #ccc;
+  border-radius: 4px;
+  text-align: center;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.glist-image-label:hover {
+  background: #e8e8e8;
+  border-color: #007bff;
+}
+
+.glist-image-preview {
+  position: relative;
+  margin-top: 0.5em;
+  display: inline-block;
+}
+
+.glist-image-preview img {
+  max-width: 150px;
+  max-height: 150px;
+  border-radius: 8px;
+  border: 2px solid #ddd;
+}
+
+.glist-remove-image {
+  position: absolute;
+  top: -8px;
+  right: -8px;
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+  background: #ff4444;
+  color: white;
+  border: 2px solid white;
+  font-size: 1.2rem;
+  line-height: 1;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.glist-remove-image:hover {
+  background: #cc0000;
+}
+
+/* Floating Action Button (FAB) */
+.glist-fab {
+  position: fixed;
+  bottom: 20px;
+  right: 20px;
+  background: #28a745;
+  color: white;
+  border: none;
+  border-radius: 50%;
+  width: 62px;
+  height: 62px;
+  font-size: 2em;
+  line-height: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
+  cursor: pointer;
+}
+
+.glist-fab:hover {
+  background: #218838;
+}
+
+/* Mobile tweaks */
+@media (max-width: 480px) {
+  .glist-container {
+    padding: 1em 0.8em;
+  }
+  
+  .glist-fab {
+    bottom: 16px;
+    right: 16px;
+  }
+}
diff --git a/frontend/src/styles/Login.css b/frontend/src/styles/pages/Login.css
similarity index 100%
rename from frontend/src/styles/Login.css
rename to frontend/src/styles/pages/Login.css
diff --git a/frontend/src/styles/Register.css b/frontend/src/styles/pages/Register.css
similarity index 100%
rename from frontend/src/styles/Register.css
rename to frontend/src/styles/pages/Register.css
diff --git a/frontend/src/styles/theme.css b/frontend/src/styles/theme.css
new file mode 100644
index 0000000..a8d4f5c
--- /dev/null
+++ b/frontend/src/styles/theme.css
@@ -0,0 +1,268 @@
+/**
+ * Global Theme Variables
+ * 
+ * This file defines the design system for the entire application.
+ * All colors, spacing, typography, and other design tokens are centralized here.
+ * 
+ * Usage: var(--variable-name)
+ * Example: color: var(--color-primary);
+ */
+
+:root {
+  /* ============================================
+     COLOR PALETTE
+     ============================================ */
+  
+  /* Primary Colors */
+  --color-primary: #007bff;
+  --color-primary-hover: #0056b3;
+  --color-primary-light: #e7f3ff;
+  --color-primary-dark: #0067d8;
+  
+  /* Secondary Colors */
+  --color-secondary: #6c757d;
+  --color-secondary-hover: #545b62;
+  --color-secondary-light: #f8f9fa;
+  
+  /* Semantic Colors */
+  --color-success: #28a745;
+  --color-success-hover: #218838;
+  --color-success-light: #d4edda;
+  
+  --color-danger: #dc3545;
+  --color-danger-hover: #c82333;
+  --color-danger-light: #f8d7da;
+  
+  --color-warning: #ffc107;
+  --color-warning-hover: #e0a800;
+  --color-warning-light: #fff3cd;
+  
+  --color-info: #17a2b8;
+  --color-info-hover: #138496;
+  --color-info-light: #d1ecf1;
+  
+  /* Neutral Colors */
+  --color-white: #ffffff;
+  --color-black: #000000;
+  --color-gray-50: #f9f9f9;
+  --color-gray-100: #f8f9fa;
+  --color-gray-200: #e9ecef;
+  --color-gray-300: #dee2e6;
+  --color-gray-400: #ced4da;
+  --color-gray-500: #adb5bd;
+  --color-gray-600: #6c757d;
+  --color-gray-700: #495057;
+  --color-gray-800: #343a40;
+  --color-gray-900: #212529;
+  
+  /* Text Colors */
+  --color-text-primary: #212529;
+  --color-text-secondary: #6c757d;
+  --color-text-muted: #adb5bd;
+  --color-text-inverse: #ffffff;
+  
+  /* Background Colors */
+  --color-bg-body: #f8f9fa;
+  --color-bg-surface: #ffffff;
+  --color-bg-hover: #f5f5f5;
+  --color-bg-disabled: #e9ecef;
+  
+  /* Border Colors */
+  --color-border-light: #e0e0e0;
+  --color-border-medium: #ccc;
+  --color-border-dark: #999;
+  
+  /* ============================================
+     SPACING
+     ============================================ */
+  --spacing-xs: 0.25rem;    /* 4px */
+  --spacing-sm: 0.5rem;     /* 8px */
+  --spacing-md: 1rem;       /* 16px */
+  --spacing-lg: 1.5rem;     /* 24px */
+  --spacing-xl: 2rem;       /* 32px */
+  --spacing-2xl: 3rem;      /* 48px */
+  --spacing-3xl: 4rem;      /* 64px */
+  
+  /* ============================================
+     TYPOGRAPHY
+     ============================================ */
+  --font-family-base: Arial, sans-serif;
+  --font-family-heading: Arial, sans-serif;
+  --font-family-mono: 'Courier New', monospace;
+  
+  /* Font Sizes */
+  --font-size-xs: 0.75rem;   /* 12px */
+  --font-size-sm: 0.875rem;  /* 14px */
+  --font-size-base: 1rem;    /* 16px */
+  --font-size-lg: 1.125rem;  /* 18px */
+  --font-size-xl: 1.25rem;   /* 20px */
+  --font-size-2xl: 1.5rem;   /* 24px */
+  --font-size-3xl: 2rem;     /* 32px */
+  
+  /* Font Weights */
+  --font-weight-normal: 400;
+  --font-weight-medium: 500;
+  --font-weight-semibold: 600;
+  --font-weight-bold: 700;
+  
+  /* Line Heights */
+  --line-height-tight: 1.2;
+  --line-height-normal: 1.5;
+  --line-height-relaxed: 1.75;
+  
+  /* ============================================
+     BORDERS & RADIUS
+     ============================================ */
+  --border-width-thin: 1px;
+  --border-width-medium: 2px;
+  --border-width-thick: 4px;
+  
+  --border-radius-sm: 4px;
+  --border-radius-md: 6px;
+  --border-radius-lg: 8px;
+  --border-radius-xl: 12px;
+  --border-radius-full: 50%;
+  
+  /* ============================================
+     SHADOWS
+     ============================================ */
+  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
+  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
+  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
+  --shadow-card: 0 0 10px rgba(0, 0, 0, 0.08);
+  
+  /* ============================================
+     TRANSITIONS
+     ============================================ */
+  --transition-fast: 0.15s ease;
+  --transition-base: 0.2s ease;
+  --transition-slow: 0.3s ease;
+  
+  /* ============================================
+     Z-INDEX LAYERS
+     ============================================ */
+  --z-dropdown: 100;
+  --z-sticky: 200;
+  --z-fixed: 300;
+  --z-modal-backdrop: 900;
+  --z-modal: 1000;
+  --z-tooltip: 1100;
+  
+  /* ============================================
+     LAYOUT
+     ============================================ */
+  --container-max-width: 480px;
+  --container-padding: var(--spacing-md);
+  
+  /* ============================================
+     COMPONENT-SPECIFIC
+     ============================================ */
+  
+  /* Buttons */
+  --button-padding-y: 0.6rem;
+  --button-padding-x: 1.5rem;
+  --button-border-radius: var(--border-radius-sm);
+  --button-font-weight: var(--font-weight-medium);
+  
+  /* Inputs */
+  --input-padding-y: 0.6rem;
+  --input-padding-x: 0.75rem;
+  --input-border-color: var(--color-border-medium);
+  --input-border-radius: var(--border-radius-sm);
+  --input-focus-border-color: var(--color-primary);
+  --input-focus-shadow: 0 0 0 2px rgba(0, 123, 255, 0.1);
+  
+  /* Cards */
+  --card-bg: var(--color-bg-surface);
+  --card-padding: var(--spacing-md);
+  --card-border-radius: var(--border-radius-lg);
+  --card-shadow: var(--shadow-card);
+  
+  /* Modals */
+  --modal-backdrop-bg: rgba(0, 0, 0, 0.5);
+  --modal-bg: var(--color-white);
+  --modal-border-radius: var(--border-radius-lg);
+  --modal-padding: var(--spacing-lg);
+  --modal-max-width: 500px;
+}
+
+/* ============================================
+   DARK MODE SUPPORT (Future Implementation)
+   ============================================ */
+@media (prefers-color-scheme: dark) {
+  /* Uncomment to enable dark mode
+  :root {
+    --color-text-primary: #f8f9fa;
+    --color-text-secondary: #adb5bd;
+    --color-bg-body: #212529;
+    --color-bg-surface: #343a40;
+    --color-border-light: #495057;
+    --color-border-medium: #6c757d;
+  }
+  */
+}
+
+/* Manual dark mode class override */
+.dark-mode {
+  --color-text-primary: #f8f9fa;
+  --color-text-secondary: #adb5bd;
+  --color-bg-body: #212529;
+  --color-bg-surface: #343a40;
+  --color-border-light: #495057;
+  --color-border-medium: #6c757d;
+}
+
+/* ============================================
+   UTILITY CLASSES
+   ============================================ */
+
+/* Spacing Utilities */
+.m-0 { margin: 0 !important; }
+.mt-1 { margin-top: var(--spacing-xs) !important; }
+.mt-2 { margin-top: var(--spacing-sm) !important; }
+.mt-3 { margin-top: var(--spacing-md) !important; }
+.mt-4 { margin-top: var(--spacing-lg) !important; }
+
+.mb-1 { margin-bottom: var(--spacing-xs) !important; }
+.mb-2 { margin-bottom: var(--spacing-sm) !important; }
+.mb-3 { margin-bottom: var(--spacing-md) !important; }
+.mb-4 { margin-bottom: var(--spacing-lg) !important; }
+
+.p-0 { padding: 0 !important; }
+.p-1 { padding: var(--spacing-xs) !important; }
+.p-2 { padding: var(--spacing-sm) !important; }
+.p-3 { padding: var(--spacing-md) !important; }
+.p-4 { padding: var(--spacing-lg) !important; }
+
+/* Text Utilities */
+.text-center { text-align: center !important; }
+.text-left { text-align: left !important; }
+.text-right { text-align: right !important; }
+
+.text-primary { color: var(--color-primary) !important; }
+.text-secondary { color: var(--color-text-secondary) !important; }
+.text-muted { color: var(--color-text-muted) !important; }
+.text-danger { color: var(--color-danger) !important; }
+.text-success { color: var(--color-success) !important; }
+
+.font-weight-normal { font-weight: var(--font-weight-normal) !important; }
+.font-weight-medium { font-weight: var(--font-weight-medium) !important; }
+.font-weight-semibold { font-weight: var(--font-weight-semibold) !important; }
+.font-weight-bold { font-weight: var(--font-weight-bold) !important; }
+
+/* Display Utilities */
+.d-none { display: none !important; }
+.d-block { display: block !important; }
+.d-flex { display: flex !important; }
+.d-inline-block { display: inline-block !important; }
+
+/* Flex Utilities */
+.flex-column { flex-direction: column !important; }
+.flex-row { flex-direction: row !important; }
+.justify-center { justify-content: center !important; }
+.justify-between { justify-content: space-between !important; }
+.align-center { align-items: center !important; }
+.gap-1 { gap: var(--spacing-xs) !important; }
+.gap-2 { gap: var(--spacing-sm) !important; }
+.gap-3 { gap: var(--spacing-md) !important; }
-- 
2.39.5


From 0d5316bc27f11df30990ce49d4f94e7a74018841 Mon Sep 17 00:00:00 2001
From: Nico <Nico>
Date: Fri, 2 Jan 2026 17:00:48 -0800
Subject: [PATCH 7/7] fix add item formatting and suggestion loigic

---
 frontend/src/components/forms/AddItemForm.jsx |  95 +++++++---
 .../src/components/items/SuggestionList.tsx   |   7 +-
 frontend/src/pages/GroceryList.jsx            |  37 ++--
 .../src/styles/components/AddItemForm.css     | 172 ++++++++++++++++++
 frontend/src/styles/pages/GroceryList.css     |   4 +-
 frontend/src/styles/theme.css                 |   2 +
 6 files changed, 268 insertions(+), 49 deletions(-)
 create mode 100644 frontend/src/styles/components/AddItemForm.css

diff --git a/frontend/src/components/forms/AddItemForm.jsx b/frontend/src/components/forms/AddItemForm.jsx
index cd26d02..6f889eb 100644
--- a/frontend/src/components/forms/AddItemForm.jsx
+++ b/frontend/src/components/forms/AddItemForm.jsx
@@ -1,7 +1,8 @@
 import { useState } from "react";
+import "../../styles/components/AddItemForm.css";
 import SuggestionList from "../items/SuggestionList";
 
-export default function AddItemForm({ onAdd, onSuggest, suggestions, buttonText = "Add Item" }) {
+export default function AddItemForm({ onAdd, onSuggest, suggestions, buttonText = "Add" }) {
   const [itemName, setItemName] = useState("");
   const [quantity, setQuantity] = useState(1);
   const [showSuggestions, setShowSuggestions] = useState(false);
@@ -23,38 +24,76 @@ export default function AddItemForm({ onAdd, onSuggest, suggestions, buttonText
   const handleSuggestionSelect = (suggestion) => {
     setItemName(suggestion);
     setShowSuggestions(false);
+    onSuggest(suggestion); // Trigger button text update
   };
 
+  const incrementQuantity = () => {
+    setQuantity(prev => prev + 1);
+  };
+
+  const decrementQuantity = () => {
+    setQuantity(prev => Math.max(1, prev - 1));
+  };
+
+  const isDisabled = !itemName.trim();
+
   return (
-    <form onSubmit={handleSubmit}>
-      <input
-        type="text"
-        className="glist-input"
-        placeholder="Item name"
-        value={itemName}
-        onChange={(e) => handleInputChange(e.target.value)}
-        onBlur={() => setTimeout(() => setShowSuggestions(false), 150)}
-        onClick={() => setShowSuggestions(true)}
-      />
+    <div className="add-item-form-container">
+      <form onSubmit={handleSubmit} className="add-item-form">
+        <div className="add-item-form-field">
+          <input
+            type="text"
+            className="add-item-form-input"
+            placeholder="Enter item name"
+            value={itemName}
+            onChange={(e) => handleInputChange(e.target.value)}
+            onBlur={() => setTimeout(() => setShowSuggestions(false), 150)}
+            onClick={() => setShowSuggestions(true)}
+          />
 
-      {showSuggestions && suggestions.length > 0 && (
-        <SuggestionList
-          suggestions={suggestions}
-          onSelect={handleSuggestionSelect}
-        />
-      )}
+          {showSuggestions && suggestions.length > 0 && (
+            <SuggestionList
+              suggestions={suggestions}
+              onSelect={handleSuggestionSelect}
+            />
+          )}
+        </div>
 
-      <input
-        type="number"
-        min="1"
-        className="glist-input"
-        value={quantity}
-        onChange={(e) => setQuantity(Number(e.target.value))}
-      />
+        <div className="add-item-form-actions">
+          <div className="add-item-form-quantity-control">
+            <button
+              type="button"
+              className="quantity-btn quantity-btn-minus"
+              onClick={decrementQuantity}
+              disabled={quantity <= 1}
+            >
+              −
+            </button>
+            <input
+              type="number"
+              min="1"
+              className="add-item-form-quantity-input"
+              value={quantity}
+              readOnly
+            />
+            <button
+              type="button"
+              className="quantity-btn quantity-btn-plus"
+              onClick={incrementQuantity}
+            >
+              +
+            </button>
+          </div>
 
-      <button type="submit" className="glist-btn">
-        {buttonText}
-      </button>
-    </form>
+          <button
+            type="submit"
+            className={`add-item-form-submit ${isDisabled ? 'disabled' : ''}`}
+            disabled={isDisabled}
+          >
+            {buttonText}
+          </button>
+        </div>
+      </form>
+    </div>
   );
 }
diff --git a/frontend/src/components/items/SuggestionList.tsx b/frontend/src/components/items/SuggestionList.tsx
index fc52eaa..d79791a 100644
--- a/frontend/src/components/items/SuggestionList.tsx
+++ b/frontend/src/components/items/SuggestionList.tsx
@@ -1,3 +1,5 @@
+import React from "react";
+
 interface Props {
   suggestions: string[];
   onSelect: (value: string) => void;
@@ -8,15 +10,12 @@ export default function SuggestionList({ suggestions, onSelect }: Props) {
 
   return (
     <ul
+      className="suggestion-list"
       style={{
         background: "#fff",
         border: "1px solid #ccc",
         maxHeight: "150px",
         overflowY: "auto",
-        position: "absolute",
-        zIndex: 1000,
-        left: "1em",
-        right: "1em",
         listStyle: "none",
         padding: 0,
         margin: 0,
diff --git a/frontend/src/pages/GroceryList.jsx b/frontend/src/pages/GroceryList.jsx
index 1f56af0..d1ae55f 100644
--- a/frontend/src/pages/GroceryList.jsx
+++ b/frontend/src/pages/GroceryList.jsx
@@ -21,7 +21,7 @@ export default function GroceryList() {
   const [sortedItems, setSortedItems] = useState([]);
   const [sortMode, setSortMode] = useState("zone");
   const [suggestions, setSuggestions] = useState([]);
-  const [showAddForm, setShowAddForm] = useState(false);
+  const [showAddForm, setShowAddForm] = useState(true);
   const [loading, setLoading] = useState(true);
   const [buttonText, setButtonText] = useState("Add Item");
   const [pendingItem, setPendingItem] = useState(null);
@@ -103,16 +103,9 @@ export default function GroceryList() {
     const exactMatch = allItems.find(item => item.item_name.toLowerCase() === lowerText);
 
     if (exactMatch) {
-      setButtonText("Add Item");
+      setButtonText("Add");
     } else {
-      // Check for similar items (80% match)
-      const similar = findSimilarItems(text, allItems, 80);
-      if (similar.length > 0) {
-        // Show suggestion in button but allow creation
-        setButtonText("Create and Add Item");
-      } else {
-        setButtonText("Create and Add Item");
-      }
+      setButtonText("Create + Add");
     }
 
     try {
@@ -129,10 +122,23 @@ export default function GroceryList() {
 
     const lowerItemName = itemName.toLowerCase().trim();
 
-    // Combine both unbought and recently bought items for similarity checking
-    const allItems = [...items, ...recentlyBoughtItems];
+    // First check if exact item exists in database (case-insensitive)
+    let existingItem = null;
+    try {
+      const response = await getItemByName(itemName);
+      existingItem = response.data;
+    } catch {
+      existingItem = null;
+    }
 
-    // Check for 80% similar items
+    // If exact item exists, skip similarity check and process directly
+    if (existingItem) {
+      await processItemAddition(itemName, quantity);
+      return;
+    }
+
+    // Only check for similar items if exact item doesn't exist
+    const allItems = [...items, ...recentlyBoughtItems];
     const similar = findSimilarItems(itemName, allItems, 80);
     if (similar.length > 0) {
       // Show modal and wait for user decision
@@ -141,7 +147,7 @@ export default function GroceryList() {
       return;
     }
 
-    // Continue with normal flow
+    // Continue with normal flow for new items
     await processItemAddition(itemName, quantity);
   };
 
@@ -327,7 +333,6 @@ export default function GroceryList() {
       <div className="glist-container">
         <h1 className="glist-title">Costco Grocery List</h1>
 
-        <SortDropdown value={sortMode} onChange={setSortMode} />
 
         {[ROLES.ADMIN, ROLES.EDITOR].includes(role) && showAddForm && (
           <AddItemForm
@@ -338,6 +343,8 @@ export default function GroceryList() {
           />
         )}
 
+        <SortDropdown value={sortMode} onChange={setSortMode} />
+
         {sortMode === "zone" ? (
           // Grouped view by zone
           (() => {
diff --git a/frontend/src/styles/components/AddItemForm.css b/frontend/src/styles/components/AddItemForm.css
new file mode 100644
index 0000000..0511311
--- /dev/null
+++ b/frontend/src/styles/components/AddItemForm.css
@@ -0,0 +1,172 @@
+/* Add Item Form Container */
+.add-item-form-container {
+  background: var(--color-bg-surface);
+  padding: var(--spacing-lg);
+  border-radius: var(--border-radius-lg);
+  box-shadow: var(--shadow-md);
+  margin-bottom: var(--spacing-xs);
+  border: var(--border-width-thin) solid var(--color-border-light);
+}
+
+.add-item-form {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-sm);
+}
+
+/* Form Fields */
+.add-item-form-field {
+  display: flex;
+  flex-direction: column;
+  position: relative;
+}
+
+.add-item-form-input {
+  padding: var(--input-padding-y) var(--input-padding-x);
+  border: var(--border-width-thin) solid var(--input-border-color);
+  border-radius: var(--input-border-radius);
+  font-size: var(--font-size-base);
+  font-family: var(--font-family-base);
+  transition: var(--transition-base);
+  width: 100%;
+}
+
+.add-item-form-input:focus {
+  outline: none;
+  border-color: var(--input-focus-border-color);
+  box-shadow: var(--input-focus-shadow);
+}
+
+/* Suggestion List Positioning */
+.add-item-form-field .suggestion-list {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  right: 0;
+  margin-top: var(--spacing-xs);
+  z-index: var(--z-dropdown);
+}
+
+/* Actions Row */
+.add-item-form-actions {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-md);
+}
+
+/* Quantity Control */
+.add-item-form-quantity-control {
+  display: flex;
+  align-items: center;
+  gap: var(--spacing-xs);
+}
+
+.quantity-btn {
+  width: 40px;
+  height: 40px;
+  border: var(--border-width-thin) solid var(--color-border-medium);
+  background: var(--color-bg-surface);
+  color: var(--color-text-primary);
+  border-radius: var(--border-radius-sm);
+  font-size: var(--font-size-xl);
+  font-weight: var(--font-weight-bold);
+  cursor: pointer;
+  transition: var(--transition-base);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0;
+}
+
+.quantity-btn:hover:not(:disabled) {
+  background: var(--color-primary-light);
+  border-color: var(--color-primary);
+  color: var(--color-primary);
+}
+
+.quantity-btn:active:not(:disabled) {
+  transform: scale(0.95);
+}
+
+.quantity-btn:disabled {
+  background: var(--color-bg-disabled);
+  color: var(--color-text-disabled);
+  border-color: var(--color-border-disabled);
+  cursor: not-allowed;
+  opacity: 0.5;
+}
+
+.add-item-form-quantity-input {
+  width: 40px;
+  max-width: 40px;
+  padding: var(--input-padding-y) var(--input-padding-x);
+  border: var(--border-width-thin) solid var(--input-border-color);
+  border-radius: var(--input-border-radius);
+  font-size: var(--font-size-base);
+  font-family: var(--font-family-base);
+  text-align: center;
+  transition: var(--transition-base);
+  -moz-appearance: textfield; /* Remove spinner in Firefox */
+}
+
+/* Remove spinner arrows in Chrome/Safari */
+.add-item-form-quantity-input::-webkit-outer-spin-button,
+.add-item-form-quantity-input::-webkit-inner-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+.add-item-form-quantity-input:focus {
+  outline: none;
+  border-color: var(--input-focus-border-color);
+  box-shadow: var(--input-focus-shadow);
+}
+
+/* Submit Button */
+.add-item-form-submit {
+  height: 40px;
+  padding: 0 var(--spacing-lg);
+  background: var(--color-primary);
+  color: var(--color-text-inverse);
+  border: none;
+  border-radius: var(--button-border-radius);
+  font-size: var(--font-size-base);
+  font-weight: var(--button-font-weight);
+  cursor: pointer;
+  transition: var(--transition-base);
+  margin-top: var(--spacing-sm);
+}
+
+.add-item-form-submit:hover:not(:disabled) {
+  background: var(--color-primary-hover);
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-md);
+}
+
+.add-item-form-submit:active:not(:disabled) {
+  transform: translateY(0);
+}
+
+.add-item-form-submit.disabled,
+.add-item-form-submit:disabled {
+  background: var(--color-bg-disabled);
+  color: var(--color-text-disabled);
+  cursor: not-allowed;
+  opacity: 0.6;
+  box-shadow: none;
+  transform: none;
+}
+
+/* Responsive */
+@media (max-width: 480px) {
+  .add-item-form-container {
+    padding: var(--spacing-md);
+  }
+  
+  .quantity-btn {
+    width: 36px;
+    height: 36px;
+    font-size: var(--font-size-lg);
+  }
+}
diff --git a/frontend/src/styles/pages/GroceryList.css b/frontend/src/styles/pages/GroceryList.css
index e50c865..9748444 100644
--- a/frontend/src/styles/pages/GroceryList.css
+++ b/frontend/src/styles/pages/GroceryList.css
@@ -1,7 +1,7 @@
 /* Container */
 .glist-body {
   font-family: var(--font-family-base);
-  padding: var(--spacing-md);
+  padding: var(--spacing-sm);
   background: var(--color-bg-body);
 }
 
@@ -9,7 +9,7 @@
   max-width: var(--container-max-width);
   margin: auto;
   background: var(--color-bg-surface);
-  padding: var(--spacing-md);
+  padding: var(--spacing-sm);
   border-radius: var(--border-radius-lg);
   box-shadow: var(--shadow-card);
 }
diff --git a/frontend/src/styles/theme.css b/frontend/src/styles/theme.css
index a8d4f5c..97d9cf6 100644
--- a/frontend/src/styles/theme.css
+++ b/frontend/src/styles/theme.css
@@ -60,6 +60,7 @@
   --color-text-secondary: #6c757d;
   --color-text-muted: #adb5bd;
   --color-text-inverse: #ffffff;
+  --color-text-disabled: #6c757d;
   
   /* Background Colors */
   --color-bg-body: #f8f9fa;
@@ -71,6 +72,7 @@
   --color-border-light: #e0e0e0;
   --color-border-medium: #ccc;
   --color-border-dark: #999;
+  --color-border-disabled: #dee2e6;
   
   /* ============================================
      SPACING
-- 
2.39.5