/**
 * Global Base Styles
 * Uses theme variables defined in theme.css
 */

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.14), transparent 34%),
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.14), transparent 28%),
    linear-gradient(180deg, #faf8f3 0%, var(--color-bg-body) 42%, #efe8dc 100%);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] body,
body.dark-mode {
  background:
    radial-gradient(circle at top left, rgba(45, 212, 191, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(251, 191, 36, 0.08), transparent 24%),
    linear-gradient(180deg, #101823 0%, var(--color-bg-body) 44%, #0b1220 100%);
}

#root {
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base), opacity var(--transition-base);
}

a:hover {
  color: var(--color-primary-hover);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-family-heading);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

input,
select,
textarea {
  width: 100%;
  font: inherit;
}

button {
  font: inherit;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-shell {
  width: min(100%, var(--page-max-width));
  margin: 0 auto;
  padding: clamp(1rem, 2vw, 1.75rem);
}

.page-shell--narrow {
  max-width: 560px;
}

.page-shell--center {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-panel {
  position: relative;
  overflow: hidden;
  width: 100%;
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88)),
    var(--color-bg-surface);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(18px);
}

[data-theme="dark"] .page-panel,
body.dark-mode .page-panel {
  background:
    linear-gradient(180deg, rgba(20, 29, 42, 0.96), rgba(15, 23, 34, 0.9)),
    var(--color-bg-surface);
}

.page-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 10px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0.9;
}

.page-panel-inner {
  padding: clamp(1.25rem, 3vw, 2.4rem);
}

.page-panel--compact .page-panel-inner {
  padding: clamp(1.4rem, 4vw, 2.1rem);
}

.page-hero {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  padding: 0.45rem 0.8rem;
  border-radius: var(--border-radius-full);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--color-text-primary);
}

.page-subtitle {
  max-width: 44rem;
  color: var(--color-text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
}

.page-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0.45rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .page-tabs,
body.dark-mode .page-tabs {
  background: rgba(15, 23, 34, 0.72);
}

.page-tab {
  min-width: 120px;
  padding: 0.75rem 1.15rem;
  border: none;
  border-radius: var(--border-radius-full);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
}

.page-tab:hover {
  background: rgba(15, 118, 110, 0.08);
  color: var(--color-text-primary);
}

.page-tab.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.surface-note {
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  background: rgba(255, 255, 255, 0.64);
  padding: 1rem 1.1rem;
  color: var(--color-text-secondary);
}

[data-theme="dark"] .surface-note,
body.dark-mode .surface-note {
  background: rgba(15, 23, 34, 0.72);
}

.error-message,
.success-message {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--border-radius-md);
  border: 1px solid;
  font-size: var(--font-size-sm);
  line-height: 1.55;
}

.error-message {
  color: var(--color-danger);
  background: var(--color-danger-light);
  border-color: color-mix(in srgb, var(--color-danger) 35%, transparent);
}

.success-message {
  color: var(--color-success);
  background: var(--color-success-light);
  border-color: color-mix(in srgb, var(--color-success) 35%, transparent);
}

.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.auth-card {
  width: min(100%, 30rem);
}

.auth-card .page-hero {
  margin-bottom: 1.25rem;
}

.auth-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.auth-footer {
  margin-top: 1.25rem;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-align: center;
}

@media (max-width: 640px) {
  .page-shell {
    padding: 0.85rem;
  }

  .page-tabs {
    width: 100%;
  }

  .page-tab {
    flex: 1 1 calc(50% - 0.6rem);
    min-width: 0;
  }

  .page-title {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }
}