/* ==========================================================================
   redesign.css — Modern design layer for Useful AI Prompts
   Layered on top of main.css. Uses CSS custom properties for theming.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties — Light theme (default)
   -------------------------------------------------------------------------- */
:root {
  /* Brand */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: rgba(37, 99, 235, 0.08);
  --color-primary-ring: rgba(37, 99, 235, 0.25);

  /* Surface */
  --surface-base: #ffffff;
  --surface-raised: #f8fafc;
  --surface-overlay: rgba(255, 255, 255, 0.95);
  --surface-code: #0f172a;

  /* Text */
  --text-base: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --text-on-primary: #ffffff;
  --text-code: #e2e8f0;

  /* Border */
  --border-base: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-focus: var(--color-primary);

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.06);
  --shadow-card-hover:
    0 16px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.08);

  /* Layout */
  --max-width: 1200px;
  --header-height: 60px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* Transition */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Tag colors */
  --tag-bg: #eff6ff;
  --tag-text: #1e40af;
  --tag-border: #bfdbfe;
}

/* --------------------------------------------------------------------------
   2. Dark theme — system preference + data-theme attribute
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-primary: #3b82f6;
    --color-primary-hover: #60a5fa;
    --color-primary-light: rgba(59, 130, 246, 0.12);
    --color-primary-ring: rgba(59, 130, 246, 0.3);

    --surface-base: #0f172a;
    --surface-raised: #1e293b;
    --surface-overlay: rgba(15, 23, 42, 0.96);
    --surface-code: #020617;

    --text-base: #f1f5f9;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    --text-on-primary: #ffffff;
    --text-code: #e2e8f0;

    --border-base: #1e293b;
    --border-strong: #334155;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-card-hover:
      0 16px 40px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(0, 0, 0, 0.35);

    --tag-bg: #1e3a5f;
    --tag-text: #93c5fd;
    --tag-border: #1d4ed8;
  }
}

[data-theme="dark"] {
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-primary-light: rgba(59, 130, 246, 0.12);
  --color-primary-ring: rgba(59, 130, 246, 0.3);

  --surface-base: #0f172a;
  --surface-raised: #1e293b;
  --surface-overlay: rgba(15, 23, 42, 0.96);
  --surface-code: #020617;

  --text-base: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --text-on-primary: #ffffff;
  --text-code: #e2e8f0;

  --border-base: #1e293b;
  --border-strong: #334155;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4), 0 4px 8px rgba(0, 0, 0, 0.3);
  --shadow-card-hover:
    0 16px 40px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(0, 0, 0, 0.35);

  --tag-bg: #1e3a5f;
  --tag-text: #93c5fd;
  --tag-border: #1d4ed8;
}

/* --------------------------------------------------------------------------
   3. Accessible skip link
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--text-on-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
  outline: 3px solid var(--color-primary-ring);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   4. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--surface-overlay);
  border-bottom: 1px solid var(--border-base);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  /* Override legacy padding */
  padding: 0 !important;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-4);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text-base);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  padding: var(--space-1) var(--space-2);
  margin-left: calc(-1 * var(--space-2));
  transition:
    color var(--transition-base),
    background var(--transition-base);
}

.site-logo:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.site-logo:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.site-logo .logo-icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.logo-text {
  white-space: nowrap;
}

/* Desktop primary nav */
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}

.primary-nav .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition:
    color var(--transition-base),
    background var(--transition-base);
  white-space: nowrap;
}

.primary-nav .nav-link:hover {
  color: var(--text-base);
  background: var(--color-primary-light);
}

.primary-nav .nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.primary-nav .nav-link svg {
  opacity: 0.7;
}

.primary-nav .nav-link:hover svg {
  opacity: 1;
}

/* "New" badge on nav items */
.nav-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  background: var(--color-primary);
  color: var(--text-on-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 99px;
  line-height: 1.4;
  vertical-align: middle;
}

/* Header control buttons (search, theme, hamburger) */
.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.header-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition:
    color var(--transition-base),
    background var(--transition-base);
  flex-shrink: 0;
}

.header-btn:hover {
  color: var(--text-base);
  background: var(--color-primary-light);
}

.header-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Theme toggle icon switching */
.theme-icon--sun {
  display: none;
}
.theme-icon--moon {
  display: block;
}

html.dark .theme-icon--sun {
  display: block;
}
html.dark .theme-icon--moon {
  display: none;
}

[data-theme="dark"] .theme-icon--sun {
  display: block;
}
[data-theme="dark"] .theme-icon--moon {
  display: none;
}

/* Mobile menu icon switching */
.menu-icon--close {
  display: none;
}
.menu-icon--open {
  display: block;
}

body.mobile-nav-open .menu-icon--close {
  display: block;
}
body.mobile-nav-open .menu-icon--open {
  display: none;
}

/* Mobile hamburger — hidden on desktop */
.header-btn--menu {
  display: none;
}

/* Mobile navigation drawer */
.mobile-nav {
  border-top: 1px solid var(--border-base);
  padding: var(--space-3) 0;
  background: var(--surface-overlay);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--text-base);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition:
    color var(--transition-base),
    background var(--transition-base);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.mobile-nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   5. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--surface-raised);
  border-top: 1px solid var(--border-base);
  padding: var(--space-7) 0 var(--space-5);
  margin-top: var(--space-8);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-7);
  margin-bottom: var(--space-7);
}

/* Footer brand column */
.footer-brand {
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-base);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--transition-base);
}

.footer-logo:hover {
  color: var(--color-primary);
}

.footer-logo:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.footer-logo .logo-icon {
  color: var(--color-primary);
}

.footer-tagline {
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 260px;
  margin: var(--space-3) 0 0;
}

/* Footer column headings */
.footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-base);
  margin-bottom: var(--space-4);
}

/* Footer link list */
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.5;
  transition: color var(--transition-base);
}

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

.footer-links a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Footer bottom bar */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-base);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copy {
  color: var(--text-subtle);
  font-size: 0.8125rem;
}

.footer-powered {
  color: var(--text-subtle);
  font-size: 0.8125rem;
}

.footer-powered a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* --------------------------------------------------------------------------
   6. Homepage hero
   -------------------------------------------------------------------------- */
.hero {
  background: var(--surface-base);
  border-bottom: 1px solid var(--border-base);
  padding: var(--space-8) 0 var(--space-7);
  text-align: center;
}

.hero-content {
  max-width: 760px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 99px;
  margin-bottom: var(--space-5);
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  color: var(--text-base);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-4);
}

.hero-title strong {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--text-muted);
  line-height: 1.65;
  margin: 0 auto var(--space-6);
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-7);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-7);
  flex-wrap: wrap;
}

.hero-stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-base);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn,
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.5625rem var(--space-4);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
  white-space: nowrap;
  line-height: 1.4;
}

.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--text-on-primary) !important;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--text-base);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   8. Tag pills
   -------------------------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  background: var(--tag-bg);
  color: var(--tag-text);
  border: 1px solid var(--tag-border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.01em;
  transition:
    background var(--transition-base),
    color var(--transition-base);
  text-decoration: none;
}

a.tag:hover {
  background: var(--color-primary);
  color: var(--text-on-primary);
  border-color: var(--color-primary);
}

.tag-more {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  color: var(--text-subtle);
  font-size: 0.75rem;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   9. Prompt / category cards
   -------------------------------------------------------------------------- */
.prompt-card,
.prompts-grid .prompt-card {
  background: var(--surface-base);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.prompt-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-strong);
}

/* Category page prompt cards */
.prompts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-4);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.card-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-base);
}

.card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.card-description {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  flex: 1;
  margin: 0;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-2);
}

.version-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px var(--space-2);
  background: var(--surface-raised);
  color: var(--text-subtle);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}

.model-support {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-subtle);
  font-size: 0.8125rem;
}

/* --------------------------------------------------------------------------
   10. Category cards (browse / homepage grid)
   -------------------------------------------------------------------------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.category-card {
  background: var(--surface-base);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-decoration: none;
  color: var(--text-base);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
  display: block;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}

.category-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}

.category-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-base);
  margin: 0 0 var(--space-1);
}

.category-count {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0 0 var(--space-3);
}

.category-examples {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border-base);
}

.category-examples li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-base);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.category-examples li:last-child {
  border-bottom: none;
}

/* --------------------------------------------------------------------------
   11. Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-subtle);
  margin-bottom: var(--space-5);
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.breadcrumb a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

.breadcrumb span:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-2);
  color: var(--border-strong);
}

/* --------------------------------------------------------------------------
   12. Prompt page meta section
   -------------------------------------------------------------------------- */
.prompt-page {
  padding: var(--space-6) 0 var(--space-8);
}

.prompt-header {
  margin-bottom: var(--space-6);
}

.prompt-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--text-base);
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 var(--space-5);
}

.prompt-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: var(--surface-raised);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
}

.meta-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.meta-item strong {
  color: var(--text-base);
  font-weight: 600;
}

.meta-item i {
  color: var(--color-primary);
  font-size: 0.875rem;
  width: 16px;
  text-align: center;
}

.meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.category-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
}

.category-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.edit-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: color var(--transition-base);
}

.edit-link:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   13. Code blocks — dark surface, copy button
   -------------------------------------------------------------------------- */
.code-container,
.prompt-code-section .code-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-code);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.code-container pre,
.prompt-code-section pre {
  margin: 0;
  padding: var(--space-5);
  overflow-x: auto;
  font-family:
    ui-monospace, "Cascadia Code", "Fira Mono", "JetBrains Mono", Consolas,
    monospace;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-code);
  background: transparent;
  -webkit-overflow-scrolling: touch;
}

.code-container code {
  background: transparent;
  font-size: inherit;
  color: inherit;
  padding: 0;
  border: none;
}

/* Copy button overlaid in top-right of code block */
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-header h2 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(255, 255, 255, 0.08);
  color: #94a3b8;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #e2e8f0;
  border-color: rgba(255, 255, 255, 0.2);
}

.copy-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.copy-btn.copied {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.25);
}

/* Inline code */
:not(pre) > code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.8125em;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 1px 5px;
  border: 1px solid var(--tag-border);
}

/* --------------------------------------------------------------------------
   14. Prompt page content sections
   -------------------------------------------------------------------------- */
.prompt-description .description {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 var(--space-6);
}

/* Prompt code block — scrollable with max height so it doesn't dominate the page */
.prompt-code-section .code-container pre {
  max-height: 520px;
  overflow-y: auto;
}

/* Scrollbar styling for code block */
.prompt-code-section .code-container pre::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.prompt-code-section .code-container pre::-webkit-scrollbar-track {
  background: transparent;
}
.prompt-code-section .code-container pre::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}
.prompt-code-section .code-container pre::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.35);
}

.examples-section,
.tips-section {
  margin-top: var(--space-7);
}

.examples-section h2,
.tips-section h2,
.prompt-main > h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-base);
  margin: 0 0 var(--space-4);
  letter-spacing: -0.015em;
}

.example-item {
  margin-bottom: var(--space-6);
}

.example-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-base);
  margin: 0 0 var(--space-3);
}

.example-input h4,
.example-output h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
  margin: 0 0 var(--space-2);
}

.example-input,
.example-output {
  margin-bottom: var(--space-4);
}

.tips-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tips-section li {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--surface-raised);
  border: 1px solid var(--border-base);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.tips-section li::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.5em;
}

/* --------------------------------------------------------------------------
   15. Section chrome shared
   -------------------------------------------------------------------------- */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-base);
  letter-spacing: -0.02em;
  margin: 0;
}

.section-count {
  font-size: 0.875rem;
  color: var(--text-subtle);
  font-weight: 500;
  margin-left: var(--space-2);
}

.section-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
  white-space: nowrap;
}

.section-cta:hover {
  color: var(--color-primary-hover);
}

.section-description {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

/* --------------------------------------------------------------------------
   16. Category / prompt page header
   -------------------------------------------------------------------------- */
.category-header,
.prompt-header {
  padding: var(--space-6) 0;
}

.category-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-base);
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-3);
}

.category-title i {
  color: var(--color-primary);
}

.category-description {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 var(--space-4);
  max-width: 680px;
}

.category-stats {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.prompt-count {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 99px;
  font-size: 0.8125rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   17. No results / empty state
   -------------------------------------------------------------------------- */
.no-prompts,
.no-results {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--text-muted);
}

.no-prompts i,
.no-results-content i {
  font-size: 2.5rem;
  color: var(--border-strong);
  margin-bottom: var(--space-4);
  display: block;
}

.no-prompts h3,
.no-results-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-base);
  margin-bottom: var(--space-2);
}

.no-prompts p,
.no-results-content p {
  margin-bottom: var(--space-5);
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   18. Responsive breakpoints
   -------------------------------------------------------------------------- */

/* Tablet */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 768px) {
  /* Header: hide desktop nav, show hamburger */
  .primary-nav {
    display: none;
  }

  .header-btn--menu {
    display: inline-flex;
  }

  .header-btn--search {
    display: inline-flex;
  }

  /* Footer stacks */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .footer-tagline {
    max-width: 100%;
  }

  /* Hero */
  .hero {
    padding: var(--space-7) 0 var(--space-6);
  }

  .hero-stats {
    gap: var(--space-5);
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-group .btn,
  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-outline {
    text-align: center;
    justify-content: center;
  }

  /* Prompt meta wraps to vertical */
  .prompt-meta {
    flex-direction: column;
    gap: var(--space-3);
  }

  /* Cards full-width */
  .prompts-grid,
  .categories-grid {
    grid-template-columns: 1fr;
  }

  /* Code blocks scrollable on small screens */
  .code-container pre {
    font-size: 0.8125rem;
  }

  /* Breadcrumb */
  .breadcrumb {
    gap: var(--space-1);
    font-size: 0.75rem;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .header-btn--search {
    display: none; /* save space; search link in mobile nav */
  }

  .logo-text {
    display: none; /* just the grid icon on very small screens */
  }
}