diff --git a/frontend/src/components/common/UserRoleCard.jsx b/frontend/src/components/common/UserRoleCard.jsx
index 9a1405b..4e91bed 100644
--- a/frontend/src/components/common/UserRoleCard.jsx
+++ b/frontend/src/components/common/UserRoleCard.jsx
@@ -2,7 +2,7 @@ import { ROLES } from "../../constants/roles";
 
 export default function UserRoleCard({ user, onRoleChange }) {
   return (
-    <div className="user-card">
+    <div className="card flex-between p-3 my-2 shadow-sm" style={{ transition: 'var(--transition-base)' }}>
       <div className="user-info">
         <strong>{user.name}</strong>
         <span className="user-username">@{user.username}</span>
@@ -10,7 +10,8 @@ export default function UserRoleCard({ user, onRoleChange }) {
       <select
         onChange={(e) => onRoleChange(user.id, e.target.value)}
         value={user.role}
-        className="role-select"
+        className="form-select"
+        style={{ fontSize: 'var(--font-size-sm)' }}
       >
         <option value={ROLES.VIEWER}>Viewer</option>
         <option value={ROLES.EDITOR}>Editor</option>
diff --git a/frontend/src/components/modals/AddImageModal.jsx b/frontend/src/components/modals/AddImageModal.jsx
index a1ac428..c29f0f4 100644
--- a/frontend/src/components/modals/AddImageModal.jsx
+++ b/frontend/src/components/modals/AddImageModal.jsx
@@ -39,11 +39,11 @@ export default function AddImageModal({ itemName, onClose, onAddImage }) {
   };
 
   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?
+    <div className="modal-overlay" onClick={onClose}>
+      <div className="modal" onClick={(e) => e.stopPropagation()}>
+        <h2 className="modal-title">Add Image</h2>
+        <p className="text-center mb-4" style={{ color: 'var(--color-text-secondary)', fontSize: '0.95em' }}>
+          There's no image for <strong className="text-primary">"{itemName}"</strong> yet. Add a new image?
         </p>
 
         {!imagePreview ? (
@@ -83,12 +83,12 @@ export default function AddImageModal({ itemName, onClose, onAddImage }) {
           style={{ display: "none" }}
         />
 
-        <div className="add-image-actions">
-          <button onClick={onClose} className="add-image-cancel">
+        <div className="modal-actions">
+          <button onClick={onClose} className="btn btn-outline flex-1">
             Cancel
           </button>
           {imagePreview && (
-            <button onClick={handleConfirm} className="add-image-confirm">
+            <button onClick={handleConfirm} className="btn btn-success flex-1">
               Add Image
             </button>
           )}
diff --git a/frontend/src/components/modals/ConfirmAddExistingModal.jsx b/frontend/src/components/modals/ConfirmAddExistingModal.jsx
index 4c85d2a..82c7d65 100644
--- a/frontend/src/components/modals/ConfirmAddExistingModal.jsx
+++ b/frontend/src/components/modals/ConfirmAddExistingModal.jsx
@@ -10,13 +10,13 @@ export default function ConfirmAddExistingModal({
   const newQuantity = currentQuantity + addingQuantity;
 
   return (
-    <div className="confirm-add-existing-overlay" onClick={onCancel}>
-      <div className="confirm-add-existing-modal" onClick={(e) => e.stopPropagation()}>
-        <h2 className="confirm-add-existing-title">
-          <strong>{itemName}</strong> is already in your list
+    <div className="modal-overlay" onClick={onCancel}>
+      <div className="modal" onClick={(e) => e.stopPropagation()}>
+        <h2 className="text-center text-xl mb-4">
+          <strong className="text-primary font-semibold">{itemName}</strong> is already in your list
         </h2>
 
-        <div className="confirm-add-existing-content">
+        <div className="mb-4">
           <div className="confirm-add-existing-qty-info">
             <div className="qty-row">
               <span className="qty-label">Current quantity:</span>
@@ -33,11 +33,11 @@ export default function ConfirmAddExistingModal({
           </div>
         </div>
 
-        <div className="confirm-add-existing-actions">
-          <button className="confirm-add-existing-btn cancel" onClick={onCancel}>
+        <div className="modal-actions">
+          <button className="btn btn-outline flex-1" onClick={onCancel}>
             Cancel
           </button>
-          <button className="confirm-add-existing-btn confirm" onClick={onConfirm}>
+          <button className="btn btn-primary flex-1" onClick={onConfirm}>
             Update Quantity
           </button>
         </div>
diff --git a/frontend/src/components/modals/ImageModal.jsx b/frontend/src/components/modals/ImageModal.jsx
index 57bc39d..57cfa76 100644
--- a/frontend/src/components/modals/ImageModal.jsx
+++ b/frontend/src/components/modals/ImageModal.jsx
@@ -17,7 +17,7 @@ export default function ImageModal({ imageUrl, itemName, onClose }) {
     <div className="image-modal-overlay" onClick={onClose}>
       <div className="image-modal-content" onClick={onClose}>
         <img src={imageUrl} alt={itemName} className="image-modal-img" />
-        <p className="image-modal-caption">{itemName}</p>
+        <p className="text-center mt-3 text-lg font-semibold">{itemName}</p>
       </div>
     </div>
   );
diff --git a/frontend/src/components/modals/SimilarItemModal.jsx b/frontend/src/components/modals/SimilarItemModal.jsx
index 7782f62..a1f3f1f 100644
--- a/frontend/src/components/modals/SimilarItemModal.jsx
+++ b/frontend/src/components/modals/SimilarItemModal.jsx
@@ -2,24 +2,24 @@ 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>?
+    <div className="modal-overlay" onClick={onCancel}>
+      <div className="modal" onClick={(e) => e.stopPropagation()}>
+        <h2 className="modal-title">Similar Item Found</h2>
+        <p className="text-center text-lg mb-2">
+          Do you mean <strong className="text-primary">"{suggestedName}"</strong>?
         </p>
-        <p className="similar-item-clarification">
+        <p className="text-center text-sm mb-4" style={{ color: 'var(--color-text-secondary)', fontStyle: 'italic' }}>
           You entered: "{originalName}"
         </p>
 
-        <div className="similar-item-actions">
-          <button onClick={onCancel} className="similar-item-cancel">
+        <div className="modal-actions">
+          <button onClick={onCancel} className="btn btn-outline flex-1">
             Cancel
           </button>
-          <button onClick={onNo} className="similar-item-no">
+          <button onClick={onNo} className="btn btn-secondary flex-1">
             No, Create New
           </button>
-          <button onClick={onYes} className="similar-item-yes">
+          <button onClick={onYes} className="btn btn-success flex-1">
             Yes, Use Suggestion
           </button>
         </div>
diff --git a/frontend/src/main.tsx b/frontend/src/main.tsx
index 7422b5c..3bcb07d 100644
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -3,6 +3,7 @@ import { createRoot } from 'react-dom/client'
 import App from './App'
 import './index.css'
 import './styles/theme.css'
+import './styles/utilities.css'
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
diff --git a/frontend/src/pages/AdminPanel.jsx b/frontend/src/pages/AdminPanel.jsx
index 48f89de..2d26420 100644
--- a/frontend/src/pages/AdminPanel.jsx
+++ b/frontend/src/pages/AdminPanel.jsx
@@ -23,10 +23,10 @@ export default function AdminPanel() {
   }
 
   return (
-    <div className="admin-panel-page">
-      <div className="admin-panel-container">
-        <h1 className="admin-panel-title">Admin Panel</h1>
-        <div className="admin-panel-users">
+    <div className="p-4" style={{ minHeight: '100vh' }}>
+      <div className="card" style={{ maxWidth: '800px', margin: '0 auto' }}>
+        <h1 className="text-center text-3xl font-bold mb-4">Admin Panel</h1>
+        <div className="mt-4">
           {users.map((user) => (
             <UserRoleCard
               key={user.id}
diff --git a/frontend/src/pages/Login.jsx b/frontend/src/pages/Login.jsx
index 7a100bc..796a6d9 100644
--- a/frontend/src/pages/Login.jsx
+++ b/frontend/src/pages/Login.jsx
@@ -27,16 +27,16 @@ export default function Login() {
   };
 
   return (
-    <div className="login-wrapper">
-      <div className="login-box">
-        <h1 className="login-title">Login</h1>
+    <div className="flex-center" style={{ minHeight: '100vh', padding: '1em', background: '#f8f9fa' }}>
+      <div className="card card-elevated" style={{ width: '100%', maxWidth: '360px' }}>
+        <h1 className="text-center text-2xl mb-3">Login</h1>
 
         <ErrorMessage message={error} />
 
         <form onSubmit={submit}>
           <FormInput
             type="text"
-            className="login-input"
+            className="form-input my-2"
             placeholder="Username"
             onChange={(e) => setUsername(e.target.value)}
           />
@@ -44,7 +44,7 @@ export default function Login() {
           <div className="login-password-wrapper">
             <FormInput
               type={showPassword ? "text" : "password"}
-              className="login-input"
+              className="form-input"
               placeholder="Password"
               onChange={(e) => setPassword(e.target.value)}
             />
@@ -58,11 +58,11 @@ export default function Login() {
             </button>
           </div>
 
-          <button type="submit" className="login-button">Login</button>
+          <button type="submit" className="btn btn-primary btn-block mt-2">Login</button>
         </form>
 
-        <p className="login-register">
-          Need an account? <Link to="/register">Register here</Link>
+        <p className="text-center mt-3">
+          Need an account? <Link to="/register" className="text-primary">Register here</Link>
         </p>
       </div>
     </div>
diff --git a/frontend/src/pages/Register.jsx b/frontend/src/pages/Register.jsx
index f39d20c..ed2a9ef 100644
--- a/frontend/src/pages/Register.jsx
+++ b/frontend/src/pages/Register.jsx
@@ -59,7 +59,7 @@ export default function Register() {
 
   return (
     <div className="register-container">
-      <h1>Register</h1>
+      <h1 className="text-center mb-4 text-2xl font-bold">Register</h1>
 
       <ErrorMessage message={error} />
       <ErrorMessage message={success} type="success" />
@@ -67,6 +67,7 @@ export default function Register() {
       <form className="register-form" onSubmit={submit}>
         <FormInput
           type="text"
+          className="form-input"
           placeholder="Name"
           onChange={(e) => setName(e.target.value)}
           required
@@ -74,6 +75,7 @@ export default function Register() {
 
         <FormInput
           type="text"
+          className="form-input"
           placeholder="Username"
           onKeyUp={(e) => setUsername(e.target.value)}
           required
@@ -81,6 +83,7 @@ export default function Register() {
 
         <FormInput
           type="password"
+          className="form-input"
           placeholder="Password"
           onChange={(e) => setPassword(e.target.value)}
           required
@@ -88,18 +91,19 @@ export default function Register() {
 
         <FormInput
           type="password"
+          className="form-input"
           placeholder="Confirm Password"
           onChange={(e) => setConfirm(e.target.value)}
           required
         />
 
-        <button disabled={error !== ""} type="submit">
+        <button disabled={error !== ""} type="submit" className="btn btn-primary btn-block mt-2">
           Create Account
         </button>
       </form>
 
-      <p className="register-link">
-        Already have an account? <Link to="/login">Login here</Link>
+      <p className="text-center mt-3">
+        Already have an account? <Link to="/login" className="text-primary font-semibold">Login here</Link>
       </p>
     </div>
   );
diff --git a/frontend/src/pages/Settings.jsx b/frontend/src/pages/Settings.jsx
index c05c482..d37c29e 100644
--- a/frontend/src/pages/Settings.jsx
+++ b/frontend/src/pages/Settings.jsx
@@ -37,8 +37,8 @@ export default function Settings() {
 
   return (
     <div className="settings-page">
-      <div className="settings-container">
-        <h1 className="settings-title">Settings</h1>
+      <div className="card" style={{ maxWidth: '800px', margin: '0 auto' }}>
+        <h1 className="text-2xl font-semibold mb-4">Settings</h1>
 
         <div className="settings-tabs">
           <button
@@ -65,7 +65,7 @@ export default function Settings() {
           {/* Appearance Tab */}
           {activeTab === "appearance" && (
             <div className="settings-section">
-              <h2 className="settings-section-title">Appearance</h2>
+              <h2 className="text-xl font-semibold mb-4">Appearance</h2>
 
               <div className="settings-group">
                 <label className="settings-label">Theme</label>
@@ -113,14 +113,14 @@ export default function Settings() {
           {/* List Display Tab */}
           {activeTab === "list" && (
             <div className="settings-section">
-              <h2 className="settings-section-title">List Display</h2>
+              <h2 className="text-xl font-semibold mb-4">List Display</h2>
 
               <div className="settings-group">
                 <label className="settings-label">Default Sort Mode</label>
                 <select
                   value={settings.defaultSortMode}
                   onChange={(e) => handleSelectChange("defaultSortMode", e.target.value)}
-                  className="settings-select"
+                  className="form-select mt-2"
                 >
                   <option value="zone">By Zone</option>
                   <option value="az">A → Z</option>
@@ -188,7 +188,7 @@ export default function Settings() {
           {/* Behavior Tab */}
           {activeTab === "behavior" && (
             <div className="settings-section">
-              <h2 className="settings-section-title">Behavior</h2>
+              <h2 className="text-xl font-semibold mb-4">Behavior</h2>
 
               <div className="settings-group">
                 <label className="settings-label">
@@ -239,8 +239,8 @@ export default function Settings() {
           )}
         </div>
 
-        <div className="settings-actions">
-          <button onClick={handleReset} className="settings-btn-reset">
+        <div className="mt-4">
+          <button onClick={handleReset} className="btn btn-outline">
             Reset to Defaults
           </button>
         </div>
diff --git a/frontend/src/styles/AddImageModal.css b/frontend/src/styles/AddImageModal.css
index 49ea8e0..a0608d4 100644
--- a/frontend/src/styles/AddImageModal.css
+++ b/frontend/src/styles/AddImageModal.css
@@ -1,44 +1,4 @@
-.add-image-modal-overlay {
-  position: fixed;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  background: var(--modal-backdrop-bg);
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  z-index: var(--z-modal);
-  animation: fadeIn 0.2s ease-out;
-}
-
-.add-image-modal {
-  background: var(--modal-bg);
-  padding: var(--spacing-xl);
-  border-radius: var(--border-radius-xl);
-  max-width: 500px;
-  width: 90%;
-  box-shadow: var(--shadow-xl);
-  animation: slideUp 0.3s ease-out;
-}
-
-.add-image-modal h2 {
-  margin: 0 0 var(--spacing-sm) 0;
-  font-size: var(--font-size-2xl);
-  color: var(--color-text-primary);
-  text-align: center;
-}
-
-.add-image-subtitle {
-  margin: 0 0 var(--spacing-xl) 0;
-  color: var(--color-text-secondary);
-  font-size: 0.95em;
-  text-align: center;
-}
-
-.add-image-subtitle strong {
-  color: var(--color-primary);
-}
+/* AddImageModal - custom styles for unique components */
 
 .add-image-options {
   display: flex;
@@ -121,58 +81,3 @@
 .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/ImageModal.css b/frontend/src/styles/ImageModal.css
index ae7b414..fe4fbe7 100644
--- a/frontend/src/styles/ImageModal.css
+++ b/frontend/src/styles/ImageModal.css
@@ -1,3 +1,5 @@
+/* ImageModal - specialized full-screen image viewer */
+
 .image-modal-overlay {
   position: fixed;
   top: 0;
@@ -44,30 +46,6 @@
   }
 }
 
-.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;
@@ -76,14 +54,6 @@
   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;
@@ -92,8 +62,5 @@
   .image-modal-img {
     max-height: 60vh;
   }
-
-  .image-modal-caption {
-    font-size: 1rem;
-  }
 }
+
diff --git a/frontend/src/styles/SimilarItemModal.css b/frontend/src/styles/SimilarItemModal.css
index 73c2599..ff34cb2 100644
--- a/frontend/src/styles/SimilarItemModal.css
+++ b/frontend/src/styles/SimilarItemModal.css
@@ -1,115 +1,3 @@
-.similar-item-modal-overlay {
-  position: fixed;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  background: var(--modal-backdrop-bg);
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  z-index: var(--z-modal);
-  animation: fadeIn 0.2s ease-out;
-}
+/* SimilarItemModal - uses utility classes from utilities.css */
+/* No custom styles needed - all handled by utilities */
 
-.similar-item-modal {
-  background: var(--modal-bg);
-  padding: var(--spacing-xl);
-  border-radius: var(--border-radius-xl);
-  max-width: 500px;
-  width: 90%;
-  box-shadow: var(--shadow-xl);
-  animation: slideUp 0.3s ease-out;
-}
-
-.similar-item-modal h2 {
-  margin: 0 0 var(--spacing-md) 0;
-  font-size: var(--font-size-2xl);
-  color: var(--color-text-primary);
-  text-align: center;
-}
-
-.similar-item-question {
-  margin: 0 0 var(--spacing-sm) 0;
-  font-size: var(--font-size-lg);
-  color: var(--color-text-primary);
-  text-align: center;
-}
-
-.similar-item-question strong {
-  color: var(--color-primary);
-}
-
-.similar-item-clarification {
-  margin: 0 0 var(--spacing-xl) 0;
-  font-size: var(--font-size-sm);
-  color: var(--color-text-secondary);
-  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: var(--button-padding-y) var(--button-padding-x);
-  border: none;
-  border-radius: var(--button-border-radius);
-  font-size: var(--font-size-base);
-  cursor: pointer;
-  transition: var(--transition-base);
-  font-weight: var(--button-font-weight);
-}
-
-.similar-item-cancel {
-  background: var(--color-gray-200);
-  color: var(--color-text-primary);
-}
-
-.similar-item-cancel:hover {
-  background: var(--color-gray-300);
-}
-
-.similar-item-no {
-  background: var(--color-secondary);
-  color: var(--color-text-inverse);
-}
-
-.similar-item-no:hover {
-  background: var(--color-secondary-hover);
-}
-
-.similar-item-yes {
-  background: var(--color-success);
-  color: var(--color-text-inverse);
-}
-
-.similar-item-yes:hover {
-  background: var(--color-success-hover);
-}
-
-@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
index b391637..d8aa79f 100644
--- a/frontend/src/styles/UserRoleCard.css
+++ b/frontend/src/styles/UserRoleCard.css
@@ -1,19 +1,4 @@
-.user-card {
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-  padding: var(--spacing-md);
-  margin: var(--spacing-sm) 0;
-  background: var(--color-bg-surface);
-  border-radius: var(--border-radius-lg);
-  border: var(--border-width-thin) solid var(--color-border-light);
-  box-shadow: var(--shadow-sm);
-  transition: var(--transition-base);
-}
-
-.user-card:hover {
-  box-shadow: var(--shadow-md);
-}
+/* UserRoleCard - custom styles only */
 
 .user-info {
   display: flex;
@@ -26,28 +11,3 @@
   font-size: var(--font-size-sm);
 }
 
-.user-info h3 {
-  color: var(--color-text-primary);
-  margin: 0;
-}
-
-.role-select {
-  padding: var(--spacing-sm);
-  border-radius: var(--border-radius-sm);
-  border: var(--border-width-thin) solid var(--input-border-color);
-  background: var(--color-bg-surface);
-  color: var(--color-text-primary);
-  cursor: pointer;
-  font-size: var(--font-size-sm);
-  transition: var(--transition-base);
-}
-
-.role-select:hover {
-  border-color: var(--color-primary);
-}
-
-.role-select:focus {
-  outline: none;
-  border-color: var(--input-focus-border-color);
-  box-shadow: var(--input-focus-shadow);
-}
diff --git a/frontend/src/styles/components/ConfirmAddExistingModal.css b/frontend/src/styles/components/ConfirmAddExistingModal.css
index 93a1082..96033f9 100644
--- a/frontend/src/styles/components/ConfirmAddExistingModal.css
+++ b/frontend/src/styles/components/ConfirmAddExistingModal.css
@@ -1,55 +1,4 @@
-/* Confirm Add Existing Modal */
-.confirm-add-existing-overlay {
-  position: fixed;
-  top: 0;
-  left: 0;
-  right: 0;
-  bottom: 0;
-  background: var(--modal-backdrop-bg);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  z-index: var(--z-modal);
-  padding: var(--spacing-md);
-}
-
-.confirm-add-existing-modal {
-  background: var(--modal-bg);
-  border-radius: var(--modal-border-radius);
-  padding: var(--modal-padding);
-  max-width: 400px;
-  width: 100%;
-  box-shadow: var(--shadow-xl);
-  animation: slideIn 0.2s ease-out;
-}
-
-@keyframes slideIn {
-  from {
-    opacity: 0;
-    transform: translateY(-20px);
-  }
-  to {
-    opacity: 1;
-    transform: translateY(0);
-  }
-}
-
-.confirm-add-existing-title {
-  margin: 0 0 var(--spacing-lg) 0;
-  font-size: var(--font-size-xl);
-  color: var(--color-text-primary);
-  text-align: center;
-  font-weight: var(--font-weight-normal);
-}
-
-.confirm-add-existing-title strong {
-  color: var(--color-primary);
-  font-weight: var(--font-weight-semibold);
-}
-
-.confirm-add-existing-content {
-  margin-bottom: var(--spacing-lg);
-}
+/* ConfirmAddExistingModal - quantity breakdown box */
 
 .confirm-add-existing-qty-info {
   background: var(--color-bg-surface);
@@ -90,55 +39,3 @@
   font-size: var(--font-size-lg);
 }
 
-.confirm-add-existing-actions {
-  display: flex;
-  gap: var(--spacing-md);
-  margin-top: var(--spacing-lg);
-}
-
-.confirm-add-existing-btn {
-  flex: 1;
-  padding: var(--button-padding-y) var(--button-padding-x);
-  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);
-}
-
-.confirm-add-existing-btn.cancel {
-  background: var(--color-bg-surface);
-  color: var(--color-text-primary);
-  border: var(--border-width-thin) solid var(--color-border-medium);
-}
-
-.confirm-add-existing-btn.cancel:hover {
-  background: var(--color-bg-hover);
-  border-color: var(--color-border-dark);
-}
-
-.confirm-add-existing-btn.confirm {
-  background: var(--color-primary);
-  color: var(--color-text-inverse);
-}
-
-.confirm-add-existing-btn.confirm:hover {
-  background: var(--color-primary-hover);
-  transform: translateY(-1px);
-  box-shadow: var(--shadow-md);
-}
-
-.confirm-add-existing-btn.confirm:active {
-  transform: translateY(0);
-}
-
-@media (max-width: 480px) {
-  .confirm-add-existing-modal {
-    max-width: 90%;
-  }
-  
-  .confirm-add-existing-actions {
-    flex-direction: column;
-  }
-}
diff --git a/frontend/src/styles/pages/AdminPanel.css b/frontend/src/styles/pages/AdminPanel.css
index e5bd149..0afe84b 100644
--- a/frontend/src/styles/pages/AdminPanel.css
+++ b/frontend/src/styles/pages/AdminPanel.css
@@ -1,41 +1,9 @@
-/* Admin Panel Page */
-.admin-panel-page {
-  padding: var(--spacing-lg);
-  min-height: 100vh;
-}
+/* Admin Panel - uses utility classes */
+/* Responsive adjustments only */
 
-.admin-panel-container {
-  max-width: 800px;
-  margin: 0 auto;
-  background: var(--color-bg-surface);
-  padding: var(--spacing-xl);
-  border-radius: var(--border-radius-lg);
-  box-shadow: var(--shadow-card);
-}
-
-.admin-panel-title {
-  font-size: var(--font-size-3xl);
-  font-weight: 700;
-  color: var(--color-text-primary);
-  margin: 0 0 var(--spacing-xl) 0;
-  text-align: center;
-}
-
-.admin-panel-users {
-  margin-top: var(--spacing-xl);
-}
-
-/* Mobile Responsive */
 @media (max-width: 768px) {
   .admin-panel-page {
-    padding: var(--spacing-md);
-  }
-
-  .admin-panel-container {
-    padding: var(--spacing-lg);
-  }
-
-  .admin-panel-title {
-    font-size: var(--font-size-2xl);
+    padding: var(--spacing-md) !important;
   }
 }
+
diff --git a/frontend/src/styles/pages/Login.css b/frontend/src/styles/pages/Login.css
index df01ebc..92aa35a 100644
--- a/frontend/src/styles/pages/Login.css
+++ b/frontend/src/styles/pages/Login.css
@@ -1,37 +1,4 @@
-.login-wrapper {
-  font-family: Arial, sans-serif;
-  padding: 1em;
-  background: #f8f9fa;
-  min-height: 100vh;
-
-  display: flex;
-  justify-content: center;
-  align-items: center;
-}
-
-.login-box {
-  width: 100%;
-  max-width: 360px;
-  background: white;
-  padding: 1.5em;
-  border-radius: 8px;
-  box-shadow: 0 0 10px rgba(0,0,0,0.12);
-}
-
-.login-title {
-  text-align: center;
-  font-size: 1.6em;
-  margin-bottom: 1em;
-}
-
-.login-input {
-  width: 100%;
-  padding: 0.6em;
-  margin: 0.4em 0;
-  font-size: 1em;
-  border-radius: 4px;
-  border: 1px solid #ccc;
-}
+/* Login page - custom password toggle only */
 
 .login-password-wrapper {
   display: flex;
@@ -40,7 +7,7 @@
   margin: 0.4em 0;
 }
 
-.login-password-wrapper .login-input {
+.login-password-wrapper .form-input {
   flex: 1;
   width: auto;
   margin: 0;
@@ -67,38 +34,3 @@
   background: #e8e8e8;
 }
 
-.login-button {
-  width: 100%;
-  padding: 0.7em;
-  margin-top: 0.6em;
-  background: #007bff;
-  border: none;
-  color: white;
-  border-radius: 4px;
-  cursor: pointer;
-  font-size: 1em;
-}
-
-.login-button:hover {
-  background: #0068d1;
-}
-
-.login-error {
-  color: red;
-  text-align: center;
-  margin-bottom: 0.6em;
-}
-
-.login-register {
-  text-align: center;
-  margin-top: 1em;
-}
-
-.login-register a {
-  color: #007bff;
-  text-decoration: none;
-}
-
-.login-register a:hover {
-  text-decoration: underline;
-}
diff --git a/frontend/src/styles/pages/Register.css b/frontend/src/styles/pages/Register.css
index 10a57d0..a164ba7 100644
--- a/frontend/src/styles/pages/Register.css
+++ b/frontend/src/styles/pages/Register.css
@@ -1,18 +1,12 @@
+/* Register page - container only */
+
 .register-container {
   max-width: 400px;
   margin: 50px auto;
   padding: 2rem;
   border-radius: 12px;
-  background: #ffffff;
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
-  font-family: Arial, sans-serif;
-}
-
-.register-container h1 {
-  text-align: center;
-  margin-bottom: 1.5rem;
-  font-size: 1.8rem;
-  font-weight: bold;
+  background: var(--color-bg-primary);
+  box-shadow: var(--shadow-lg);
 }
 
 .register-form {
@@ -21,64 +15,3 @@
   gap: 12px;
 }
 
-.register-form input {
-  padding: 12px 14px;
-  border: 1px solid #ccc;
-  border-radius: 8px;
-  font-size: 1rem;
-  outline: none;
-  transition: border-color 0.2s ease;
-}
-
-.register-form input:focus {
-  border-color: #0077ff;
-}
-
-.register-form button {
-  padding: 12px;
-  border: none;
-  background: #0077ff;
-  color: white;
-  font-size: 1rem;
-  border-radius: 8px;
-  cursor: pointer;
-  margin-top: 10px;
-  transition: background 0.2s ease;
-}
-
-.register-form button:hover:not(:disabled) {
-  background: #005fcc;
-}
-
-.register-form button:disabled {
-  background: #a8a8a8;
-  cursor: not-allowed;
-}
-
-.error-message {
-  height: 15px;
-  color: red;
-  text-align: center;
-  margin-bottom: 10px;
-}
-
-.success-message {
-  color: green;
-  text-align: center;
-  margin-bottom: 10px;
-}
-
-.register-link {
-  text-align: center;
-  margin-top: 1rem;
-}
-
-.register-link a {
-  color: #0077ff;
-  text-decoration: none;
-  font-weight: bold;
-}
-
-.register-link a:hover {
-  text-decoration: underline;
-}
diff --git a/frontend/src/styles/pages/Settings.css b/frontend/src/styles/pages/Settings.css
index 364d7a5..0b5abc4 100644
--- a/frontend/src/styles/pages/Settings.css
+++ b/frontend/src/styles/pages/Settings.css
@@ -1,4 +1,4 @@
-/* Settings Page Styles */
+/* Settings Page - custom components only */
 
 .settings-page {
   padding: var(--spacing-lg);
@@ -6,24 +6,7 @@
   margin: 0 auto;
 }
 
-
-.settings-container {
-  background: var(--color-bg-surface);
-  border-radius: var(--border-radius-lg);
-  padding: var(--spacing-xl);
-  box-shadow: var(--shadow-sm);
-}
-
-
-.settings-title {
-  font-size: var(--font-size-2xl);
-  font-weight: 600;
-  color: var(--color-text-primary);
-  margin: 0 0 var(--spacing-xl);
-}
-
-
-/* === Tabs === */
+/* Tabs */
 .settings-tabs {
   display: flex;
   gap: var(--spacing-sm);
@@ -31,7 +14,6 @@
   border-bottom: 2px solid var(--color-border-light);
 }
 
-
 .settings-tab {
   padding: var(--spacing-md) var(--spacing-lg);
   background: none;
@@ -45,30 +27,25 @@
   margin-bottom: -2px;
 }
 
-
 .settings-tab:hover {
   color: var(--color-primary);
   background: var(--color-bg-hover);
 }
 
-
 .settings-tab.active {
   color: var(--color-primary);
   border-bottom-color: var(--color-primary);
 }
 
-
-/* === Content === */
+/* Content */
 .settings-content {
   min-height: 400px;
 }
 
-
 .settings-section {
   animation: fadeIn 0.2s ease-in;
 }
 
-
 @keyframes fadeIn {
   from {
     opacity: 0;
@@ -80,27 +57,16 @@
   }
 }
 
-
-.settings-section-title {
-  font-size: var(--font-size-xl);
-  font-weight: 600;
-  color: var(--color-text-primary);
-  margin: 0 0 var(--spacing-lg);
-}
-
-
 .settings-group {
   margin-bottom: var(--spacing-xl);
   padding-bottom: var(--spacing-xl);
   border-bottom: 1px solid var(--color-border-light);
 }
 
-
 .settings-group:last-child {
   border-bottom: none;
 }
 
-
 .settings-label {
   display: flex;
   align-items: center;
@@ -112,14 +78,12 @@
   cursor: pointer;
 }
 
-
 .settings-label input[type="checkbox"] {
   width: 20px;
   height: 20px;
   cursor: pointer;
 }
 
-
 .settings-description {
   font-size: var(--font-size-sm);
   color: var(--color-text-secondary);
@@ -127,15 +91,13 @@
   line-height: 1.5;
 }
 
-
-/* === Theme Buttons === */
+/* Theme Buttons */
 .settings-theme-options {
   display: flex;
   gap: var(--spacing-md);
   margin-top: var(--spacing-sm);
 }
 
-
 .settings-theme-btn {
   flex: 1;
   padding: var(--spacing-md);
@@ -149,40 +111,18 @@
   transition: all 0.2s;
 }
 
-
 .settings-theme-btn:hover {
   border-color: var(--color-primary);
   background: var(--color-primary-light);
 }
 
-
 .settings-theme-btn.active {
   border-color: var(--color-primary);
   background: var(--color-primary);
   color: var(--color-white);
 }
 
-
-/* === Select & Range === */
-.settings-select {
-  width: 100%;
-  padding: var(--spacing-sm) var(--spacing-md);
-  border: 1px solid var(--color-border-medium);
-  border-radius: var(--border-radius-md);
-  background: var(--color-bg-surface);
-  color: var(--color-text-primary);
-  font-size: var(--font-size-base);
-  cursor: pointer;
-  margin-top: var(--spacing-sm);
-}
-
-
-.settings-select:focus {
-  outline: none;
-  border-color: var(--color-primary);
-}
-
-
+/* Range Slider */
 .settings-range {
   width: 100%;
   height: 6px;
@@ -195,7 +135,6 @@
   -webkit-appearance: none;
 }
 
-
 .settings-range::-webkit-slider-thumb {
   appearance: none;
   -webkit-appearance: none;
@@ -207,13 +146,11 @@
   transition: all 0.2s;
 }
 
-
 .settings-range::-webkit-slider-thumb:hover {
   background: var(--color-primary-hover);
   transform: scale(1.1);
 }
 
-
 .settings-range::-moz-range-thumb {
   width: 20px;
   height: 20px;
@@ -224,51 +161,17 @@
   transition: all 0.2s;
 }
 
-
 .settings-range::-moz-range-thumb:hover {
   background: var(--color-primary-hover);
   transform: scale(1.1);
 }
 
-
-/* === Actions === */
-.settings-actions {
-  margin-top: var(--spacing-2xl);
-  padding-top: var(--spacing-xl);
-  border-top: 2px solid var(--color-border-light);
-  text-align: center;
-}
-
-
-.settings-btn-reset {
-  padding: var(--spacing-md) var(--spacing-xl);
-  border: 2px solid var(--color-danger);
-  background: transparent;
-  color: var(--color-danger);
-  border-radius: var(--border-radius-md);
-  font-size: var(--font-size-base);
-  font-weight: 500;
-  cursor: pointer;
-  transition: all 0.2s;
-}
-
-
-.settings-btn-reset:hover {
-  background: var(--color-danger);
-  color: var(--color-white);
-}
-
-
-/* === Responsive === */
+/* Responsive */
 @media (max-width: 768px) {
   .settings-page {
     padding: var(--spacing-md);
   }
 
-  .settings-container {
-    padding: var(--spacing-lg);
-  }
-
   .settings-tabs {
     flex-wrap: nowrap;
     overflow-x: auto;
@@ -285,13 +188,3 @@
   }
 }
 
-
-@media (max-width: 480px) {
-  .settings-title {
-    font-size: var(--font-size-xl);
-  }
-
-  .settings-container {
-    padding: var(--spacing-md);
-  }
-}
diff --git a/frontend/src/styles/utilities.css b/frontend/src/styles/utilities.css
new file mode 100644
index 0000000..e02a4e4
--- /dev/null
+++ b/frontend/src/styles/utilities.css
@@ -0,0 +1,570 @@
+/**
+ * Reusable Utility Classes
+ * 
+ * Common patterns extracted from component styles.
+ * Import this file after theme.css in main.tsx
+ */
+
+/* ============================================
+   LAYOUT UTILITIES
+   ============================================ */
+
+/* Containers */
+.container {
+  max-width: var(--container-max-width);
+  margin: 0 auto;
+  padding: var(--container-padding);
+}
+
+.container-full {
+  width: 100%;
+  padding: var(--spacing-md);
+}
+
+/* Centering */
+.center-content {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  min-height: 100vh;
+}
+
+.flex-center {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+.flex-between {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.flex-start {
+  display: flex;
+  justify-content: flex-start;
+  align-items: center;
+}
+
+.flex-column {
+  display: flex;
+  flex-direction: column;
+}
+
+.flex-1 {
+  flex: 1;
+}
+
+/* ============================================
+   CARD COMPONENTS
+   ============================================ */
+
+.card {
+  background: var(--color-bg-surface);
+  border-radius: var(--card-border-radius);
+  padding: var(--card-padding);
+  box-shadow: var(--shadow-card);
+}
+
+.card-elevated {
+  background: var(--color-bg-surface);
+  border-radius: var(--card-border-radius);
+  padding: var(--spacing-lg);
+  box-shadow: var(--shadow-lg);
+}
+
+.card-title {
+  font-size: var(--font-size-xl);
+  font-weight: var(--font-weight-semibold);
+  margin-bottom: var(--spacing-md);
+  color: var(--color-text-primary);
+}
+
+/* ============================================
+   BUTTON COMPONENTS
+   ============================================ */
+
+.btn {
+  padding: var(--button-padding-y) var(--button-padding-x);
+  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);
+  text-align: center;
+  display: inline-block;
+}
+
+.btn-primary {
+  background: var(--color-primary);
+  color: var(--color-text-inverse);
+}
+
+.btn-primary:hover:not(:disabled) {
+  background: var(--color-primary-hover);
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-md);
+}
+
+.btn-secondary {
+  background: var(--color-secondary);
+  color: var(--color-text-inverse);
+}
+
+.btn-secondary:hover:not(:disabled) {
+  background: var(--color-secondary-hover);
+}
+
+.btn-danger {
+  background: var(--color-danger);
+  color: var(--color-text-inverse);
+}
+
+.btn-danger:hover:not(:disabled) {
+  background: var(--color-danger-hover);
+}
+
+.btn-success {
+  background: var(--color-success);
+  color: var(--color-text-inverse);
+}
+
+.btn-success:hover:not(:disabled) {
+  background: var(--color-success-hover);
+}
+
+.btn-outline {
+  background: transparent;
+  color: var(--color-primary);
+  border: var(--border-width-thin) solid var(--color-primary);
+}
+
+.btn-outline:hover:not(:disabled) {
+  background: var(--color-primary);
+  color: var(--color-text-inverse);
+}
+
+.btn-ghost {
+  background: var(--color-bg-surface);
+  color: var(--color-text-primary);
+  border: var(--border-width-thin) solid var(--color-border-medium);
+}
+
+.btn-ghost:hover:not(:disabled) {
+  background: var(--color-bg-hover);
+  border-color: var(--color-border-dark);
+}
+
+.btn-sm {
+  padding: var(--spacing-xs) var(--spacing-sm);
+  font-size: var(--font-size-sm);
+}
+
+.btn-lg {
+  padding: var(--spacing-md) var(--spacing-xl);
+  font-size: var(--font-size-lg);
+}
+
+.btn-block {
+  width: 100%;
+  display: block;
+}
+
+.btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+/* ============================================
+   FORM COMPONENTS
+   ============================================ */
+
+.form-group {
+  margin-bottom: var(--spacing-md);
+}
+
+.form-label {
+  display: block;
+  margin-bottom: var(--spacing-xs);
+  font-size: var(--font-size-sm);
+  font-weight: var(--font-weight-medium);
+  color: var(--color-text-primary);
+}
+
+.form-input {
+  width: 100%;
+  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);
+  color: var(--color-text-primary);
+  background: var(--color-bg-surface);
+  transition: var(--transition-base);
+  box-sizing: border-box;
+}
+
+.form-input:focus {
+  outline: none;
+  border-color: var(--input-focus-border-color);
+  box-shadow: var(--input-focus-shadow);
+}
+
+.form-input::placeholder {
+  color: var(--color-text-muted);
+}
+
+.form-select {
+  width: 100%;
+  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);
+  color: var(--color-text-primary);
+  background: var(--color-bg-surface);
+  cursor: pointer;
+  transition: var(--transition-base);
+}
+
+.form-select:focus {
+  outline: none;
+  border-color: var(--input-focus-border-color);
+  box-shadow: var(--input-focus-shadow);
+}
+
+/* ============================================
+   MODAL COMPONENTS
+   ============================================ */
+
+.modal-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: var(--modal-backdrop-bg);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: var(--z-modal);
+  padding: var(--spacing-md);
+}
+
+.modal {
+  background: var(--modal-bg);
+  border-radius: var(--modal-border-radius);
+  padding: var(--modal-padding);
+  max-width: var(--modal-max-width);
+  width: 100%;
+  box-shadow: var(--shadow-xl);
+  animation: modalSlideIn 0.2s ease-out;
+}
+
+@keyframes modalSlideIn {
+  from {
+    opacity: 0;
+    transform: translateY(-20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.modal-header {
+  margin-bottom: var(--spacing-lg);
+}
+
+.modal-title {
+  margin: 0;
+  font-size: var(--font-size-xl);
+  font-weight: var(--font-weight-semibold);
+  color: var(--color-text-primary);
+  text-align: center;
+}
+
+.modal-content {
+  margin-bottom: var(--spacing-lg);
+}
+
+.modal-actions {
+  display: flex;
+  gap: var(--spacing-md);
+  margin-top: var(--spacing-lg);
+}
+
+.modal-actions .btn {
+  flex: 1;
+}
+
+/* ============================================
+   LIST COMPONENTS
+   ============================================ */
+
+.list-unstyled {
+  list-style: none;
+  padding: 0;
+  margin: 0;
+}
+
+.list-item {
+  padding: var(--spacing-md);
+  border: var(--border-width-thin) solid var(--color-border-light);
+  border-radius: var(--border-radius-md);
+  background: var(--color-bg-surface);
+  margin-bottom: var(--spacing-sm);
+  transition: var(--transition-base);
+}
+
+.list-item:hover {
+  background: var(--color-bg-hover);
+  border-color: var(--color-border-medium);
+  transform: translateY(-1px);
+}
+
+.list-item:last-child {
+  margin-bottom: 0;
+}
+
+/* ============================================
+   IMAGE COMPONENTS
+   ============================================ */
+
+.image-placeholder {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: var(--color-bg-surface);
+  border: var(--border-width-medium) dashed var(--color-border-medium);
+  border-radius: var(--border-radius-md);
+  color: var(--color-text-muted);
+  font-size: 2rem;
+}
+
+.image-thumbnail {
+  width: 50px;
+  height: 50px;
+  border-radius: var(--border-radius-md);
+  object-fit: cover;
+  border: var(--border-width-thin) solid var(--color-border-light);
+}
+
+/* ============================================
+   BADGE COMPONENTS
+   ============================================ */
+
+.badge {
+  display: inline-block;
+  padding: var(--spacing-xs) var(--spacing-sm);
+  border-radius: var(--border-radius-full);
+  font-size: var(--font-size-xs);
+  font-weight: var(--font-weight-medium);
+  line-height: 1;
+}
+
+.badge-primary {
+  background: var(--color-primary-light);
+  color: var(--color-primary);
+}
+
+.badge-success {
+  background: var(--color-success-light);
+  color: var(--color-success);
+}
+
+.badge-danger {
+  background: var(--color-danger-light);
+  color: var(--color-danger);
+}
+
+.badge-warning {
+  background: var(--color-warning-light);
+  color: var(--color-warning);
+}
+
+.badge-secondary {
+  background: var(--color-secondary-light);
+  color: var(--color-secondary);
+}
+
+/* ============================================
+   DIVIDER
+   ============================================ */
+
+.divider {
+  border: none;
+  border-top: var(--border-width-thin) solid var(--color-border-light);
+  margin: var(--spacing-lg) 0;
+}
+
+.divider-thick {
+  border-top-width: var(--border-width-medium);
+}
+
+/* ============================================
+   SPACING HELPERS
+   ============================================ */
+
+.mt-0 { margin-top: 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-0 { margin-bottom: 0 !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; }
+
+.ml-auto { margin-left: auto !important; }
+.mr-auto { margin-right: auto !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; }
+
+.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
+.px-1 { padding-left: var(--spacing-xs) !important; padding-right: var(--spacing-xs) !important; }
+.px-2 { padding-left: var(--spacing-sm) !important; padding-right: var(--spacing-sm) !important; }
+.px-3 { padding-left: var(--spacing-md) !important; padding-right: var(--spacing-md) !important; }
+.px-4 { padding-left: var(--spacing-lg) !important; padding-right: var(--spacing-lg) !important; }
+
+.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
+.py-1 { padding-top: var(--spacing-xs) !important; padding-bottom: var(--spacing-xs) !important; }
+.py-2 { padding-top: var(--spacing-sm) !important; padding-bottom: var(--spacing-sm) !important; }
+.py-3 { padding-top: var(--spacing-md) !important; padding-bottom: var(--spacing-md) !important; }
+.py-4 { padding-top: var(--spacing-lg) !important; padding-bottom: var(--spacing-lg) !important; }
+
+/* ============================================
+   TEXT UTILITIES
+   ============================================ */
+
+.text-xs { font-size: var(--font-size-xs) !important; }
+.text-sm { font-size: var(--font-size-sm) !important; }
+.text-base { font-size: var(--font-size-base) !important; }
+.text-lg { font-size: var(--font-size-lg) !important; }
+.text-xl { font-size: var(--font-size-xl) !important; }
+.text-2xl { font-size: var(--font-size-2xl) !important; }
+
+.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; }
+.text-warning { color: var(--color-warning) !important; }
+
+.font-normal { font-weight: var(--font-weight-normal) !important; }
+.font-medium { font-weight: var(--font-weight-medium) !important; }
+.font-semibold { font-weight: var(--font-weight-semibold) !important; }
+.font-bold { font-weight: var(--font-weight-bold) !important; }
+
+.text-uppercase { text-transform: uppercase !important; }
+.text-lowercase { text-transform: lowercase !important; }
+.text-capitalize { text-transform: capitalize !important; }
+
+.text-truncate {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+/* ============================================
+   DISPLAY & VISIBILITY
+   ============================================ */
+
+.d-none { display: none !important; }
+.d-block { display: block !important; }
+.d-inline { display: inline !important; }
+.d-inline-block { display: inline-block !important; }
+.d-flex { display: flex !important; }
+.d-grid { display: grid !important; }
+
+.hidden { visibility: hidden !important; }
+.visible { visibility: visible !important; }
+
+/* ============================================
+   BORDER UTILITIES
+   ============================================ */
+
+.border { border: var(--border-width-thin) solid var(--color-border-light) !important; }
+.border-0 { border: none !important; }
+.border-top { border-top: var(--border-width-thin) solid var(--color-border-light) !important; }
+.border-bottom { border-bottom: var(--border-width-thin) solid var(--color-border-light) !important; }
+
+.rounded { border-radius: var(--border-radius-md) !important; }
+.rounded-sm { border-radius: var(--border-radius-sm) !important; }
+.rounded-lg { border-radius: var(--border-radius-lg) !important; }
+.rounded-full { border-radius: var(--border-radius-full) !important; }
+
+/* ============================================
+   SHADOW UTILITIES
+   ============================================ */
+
+.shadow-none { box-shadow: none !important; }
+.shadow-sm { box-shadow: var(--shadow-sm) !important; }
+.shadow { box-shadow: var(--shadow-md) !important; }
+.shadow-lg { box-shadow: var(--shadow-lg) !important; }
+.shadow-xl { box-shadow: var(--shadow-xl) !important; }
+
+/* ============================================
+   INTERACTION
+   ============================================ */
+
+.cursor-pointer { cursor: pointer !important; }
+.cursor-not-allowed { cursor: not-allowed !important; }
+.cursor-default { cursor: default !important; }
+
+.pointer-events-none { pointer-events: none !important; }
+.user-select-none { user-select: none !important; }
+
+/* ============================================
+   POSITION
+   ============================================ */
+
+.position-relative { position: relative !important; }
+.position-absolute { position: absolute !important; }
+.position-fixed { position: fixed !important; }
+.position-sticky { position: sticky !important; }
+
+/* ============================================
+   OVERFLOW
+   ============================================ */
+
+.overflow-hidden { overflow: hidden !important; }
+.overflow-auto { overflow: auto !important; }
+.overflow-scroll { overflow: scroll !important; }
+
+/* ============================================
+   WIDTH & HEIGHT
+   ============================================ */
+
+.w-100 { width: 100% !important; }
+.w-auto { width: auto !important; }
+.h-100 { height: 100% !important; }
+.h-auto { height: auto !important; }
+
+.min-h-screen { min-height: 100vh !important; }
+
+/* ============================================
+   RESPONSIVE UTILITIES
+   ============================================ */
+
+@media (max-width: 480px) {
+  .mobile-hidden { display: none !important; }
+  .mobile-block { display: block !important; }
+  .mobile-text-center { text-align: center !important; }
+}
+
+@media (min-width: 481px) {
+  .desktop-hidden { display: none !important; }
+}