/* ========================================
   Dark Theme Styles
   ======================================== */

[data-theme="dark"] {
  /* Dark theme colors */
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-card: #1f1f1f;
  --bg-hover: #2a2a2a;

  --text-primary: #f5f5f5;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;

  --border-color: #2a2a2a;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] body {
  background: var(--bg-primary);
  color: var(--text-primary);
}

[data-theme="dark"] .header {
  background: rgba(26, 26, 26, 0.95);
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .search-section {
  background: var(--bg-secondary);
}

[data-theme="dark"] .search-input {
  background: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .filter-section {
  background: var(--bg-card);
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .filter-tab {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

[data-theme="dark"] .filter-tab:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

[data-theme="dark"] .stat-item {
  background: var(--bg-card);
  border-color: var(--border-color);
}

[data-theme="dark"] .site-card {
  background: var(--bg-card);
  border-color: var(--border-color);
}

[data-theme="dark"] .site-card:hover {
  border-color: var(--accent-primary);
}

[data-theme="dark"] .site-icon {
  background: var(--bg-secondary);
}

[data-theme="dark"] .site-category {
  background: var(--bg-secondary);
}

[data-theme="dark"] .site-footer {
  border-top-color: var(--border-color);
}

[data-theme="dark"] .footer {
  background: var(--bg-card);
  border-top-color: var(--border-color);
}

[data-theme="dark"] .search-clear:hover {
  background: var(--bg-hover);
}

/* ========================================
   Theme Transition Animation
   ======================================== */

body,
.header,
.search-section,
.filter-section,
.site-card,
.filter-tab,
.stat-item,
.search-input,
.footer {
  transition: background-color var(--transition-base),
    border-color var(--transition-base), color var(--transition-base);
}

/* ========================================
   Additional Dark Mode Enhancements
   ======================================== */

[data-theme="dark"] .filter-tabs::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

[data-theme="dark"] .skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--bg-hover) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
}

/* ========================================
   Custom Color Schemes for Categories
   ======================================== */

.category-streaming {
  --category-color: #ef4444;
}
.category-social {
  --category-color: #3b82f6;
}
.category-productivity {
  --category-color: #8b5cf6;
}
.category-gaming {
  --category-color: #ec4899;
}
.category-education {
  --category-color: #10b981;
}
.category-news {
  --category-color: #f59e0b;
}
.category-shopping {
  --category-color: #06b6d4;
}

.site-card[data-category="streaming"] .site-icon::before {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}
.site-card[data-category="social"] .site-icon::before {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}
.site-card[data-category="productivity"] .site-icon::before {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}
.site-card[data-category="gaming"] .site-icon::before {
  background: linear-gradient(135deg, #ec4899, #db2777);
}
.site-card[data-category="education"] .site-icon::before {
  background: linear-gradient(135deg, #10b981, #059669);
}
.site-card[data-category="news"] .site-icon::before {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}
.site-card[data-category="shopping"] .site-icon::before {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .theme-toggle,
  .search-section,
  .filter-section {
    display: none;
  }

  .site-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

/* ========================================
   Reduced Motion
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}