/* ═══════════════════════════════════════════════════════════════
   courses.css — Master Variables + Catalog Styles
   All CSS custom properties defined here.
   Loaded first on every page.
   ═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────
   FONTS
───────────────────────────────────────── */

@font-face {
font-family: 'Inter';
src: url('../assets/fonts/inter-variable.woff2') format('woff2');
font-weight: 100 900;
font-style: normal;
font-display: swap;
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F,
U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
U+FEFF, U+FFFD;
}

@font-face {
font-family: 'Cairo';
src: url('../assets/fonts/cairo-variable.woff2') format('woff2');
font-weight: 200 1000;
font-style: normal;
font-display: swap;
unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891,
U+0898-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011,
U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC,
U+0020-0040, U+005B-0060, U+007B-007E, U+00A0, U+00AB,
U+00B0, U+00B7, U+00BB, U+00D7, U+00F7, U+2000-206F,
U+2190-2199, U+2212, U+FEFF;
}

/* ─────────────────────────────────────────
   CUSTOM PROPERTIES
───────────────────────────────────────── */

:root {
  --font-base: 'Inter', system-ui, -apple-system, sans-serif;
  --bg-deep: #070d08;
  --bg-card: #0f1a11;
  --bg-surface: #142018;
  --bg-hover: #1a2a1e;
  --bg-input: #0a120b;
  --bg-primary: #070d08;
  --bg-secondary: #0c160e;
  --bg-elevated: #0f1a11;
  --emerald-400: #43a047;
  --emerald-500: #2e7d32;
  --emerald-600: #1b5e20;
  --emerald-700: #145218;
  --em-300: #a5d6a7;
  --em-400: #43a047;
  --em-500: #2e7d32;
  --em-600: #1b5e20;
  --em-700: #145218;
  --em-800: rgba(30, 100, 35, 0.35);
  --em-900: rgba(30, 100, 35, 0.15);
  --teal-400: #8bc34a;
  --teal-500: #7cb342;
  --teal-600: #689f38;
  --teal-700: #558b2f;
  --teal-800: rgba(120, 170, 50, 0.35);
  --cyan-400: #26a69a;
  --cyan-500: #009688;
  --cyan-600: #00897b;
  --cyan-800: rgba(0, 150, 136, 0.3);
  --gold-400: #e9c452;
  --gold-500: #e2b340;
  --gold-600: #c99b2d;
  --gold-900: rgba(200, 160, 40, 0.12);
  --text-primary: #f1f8e9;
  --text-secondary: #81c784;
  --text-muted: #98b39b;
  --text-dim: #90b894;
  --border-subtle: rgba(67, 160, 71, 0.15);
  --border-glow: rgba(67, 160, 71, 0.3);
  --border-color: rgba(67, 160, 71, 0.15);
  --glow-sm: 0 0 8px rgba(67, 160, 71, 0.15);
  --glow-md: 0 0 16px rgba(67, 160, 71, 0.2);
  --glow-lg: 0 0 32px rgba(67, 160, 71, 0.25);
  --glow-xl: 0 0 48px rgba(67, 160, 71, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --speed-fast: 0.15s;
  --speed-normal: 0.3s;
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --z-skip: 9999;
  --z-fab: 1045;
  --z-offcanvas: 1050;
  --z-toast: 1060;
  --touch-min: 44px;
}

/* Arabic language font override */

:root:lang(ar) {
  --font-base: 'Cairo', 'Inter', system-ui, -apple-system, sans-serif;
}

/* ─────────────────────────────────────────
   GLOBAL RESETS
───────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-base);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─────────────────────────────────────────
   FOCUS VISIBLE
───────────────────────────────────────── */

:focus-visible {
  outline: 2px solid var(--emerald-400);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ─────────────────────────────────────────
   SKIP LINK
───────────────────────────────────────── */

.skip-link {
  position: fixed;
  top: -100%;
  inset-inline-start: 1rem;
  z-index: var(--z-skip);
  padding: 0.75rem 1.5rem;
  background: var(--emerald-500);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--speed-fast) ease;
}

.skip-link:focus {
  top: 1rem;
}

/* ─────────────────────────────────────────
   SCROLLBAR
───────────────────────────────────────── */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--emerald-700);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--emerald-600);
}

/* ─────────────────────────────────────────
   SKELETON PLACEHOLDER
───────────────────────────────────────── */

.skeleton {
  background: linear-gradient( 90deg, var(--bg-card) 25%, var(--bg-surface) 50%, var(--bg-card) 75% );
  background-size: 300% 100%;
  animation: shimmer 1.8s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .skeleton {
    animation: none;
  }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton-text-sm {
  height: 0.75rem;
  margin-bottom: 0.4rem;
}

.skeleton-title {
  height: 1.4rem;
  width: 60%;
  margin-bottom: 0.75rem;
}

.skeleton-img {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.skeleton-circle {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
}

.skeleton-btn {
  height: var(--touch-min);
  width: 120px;
  border-radius: var(--radius-sm);
}

/* ─────────────────────────────────────────
   LANGUAGE SWITCHER
───────────────────────────────────────── */

.lang-switcher {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: 0.4rem 1rem;
  font-family: var(--font-base);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.lang-switcher:hover, .lang-switcher:focus-visible {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-color: var(--border-glow);
  text-decoration: none;
}

@media (max-width: 991.98px) {
  #lang-switcher-slot {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
    width: 100%;
  }
}

@media (max-width: 991.98px) {
  #lang-switcher-slot .lang-switcher {
    width: 100%;
    justify-content: center;
  }
}

/* ─────────────────────────────────────────
   CATALOG — Page Header
───────────────────────────────────────── */

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.page-header {
  position: relative;
  padding: 2.5rem 1.5rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset-block-start: -40%;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(46, 125, 50, 0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

[dir="rtl"] .page-header::before {
  transform: translateX(50%);
}

.page-header > * {
  position: relative;
  z-index: 1;
}

.page-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.page-header .breadcrumb-nav {
  width: 100%;
  margin-bottom: 0.75rem;
}

.page-header .breadcrumb-nav ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.page-header .breadcrumb-nav .breadcrumb-item + .breadcrumb-item {
  display: flex;
  align-items: center;
}

.page-header .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
  content: '\f285';
  font-family: 'bootstrap-icons';
  font-size: 0.55rem;
  color: var(--text-dim);
  padding-inline-end: 0.5rem;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

[dir="rtl"] .page-header .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
  content: '\f284';
}

.page-header .breadcrumb-nav .breadcrumb-item {
  display: flex;
  align-items: center;
}

.page-header .breadcrumb-nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.page-header .breadcrumb-nav a:hover {
  color: var(--emerald-400);
}

.page-header .breadcrumb-nav .breadcrumb-item.active, .page-header .breadcrumb-nav .breadcrumb-item[aria-current="page"] {
  color: var(--emerald-400);
  font-weight: 600;
}

.page-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  margin: 0;
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.page-header-lang {
  margin-inline-start: auto;
}

@media (max-width: 767.98px) {
  .page-header {
    padding: 2rem 1rem 1.5rem;
  }
}

/* ─────────────────────────────────────────
   CATALOG — Toolbar
───────────────────────────────────────── */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.toolbar-results {
  font-size: 0.9rem;
  color: var(--text-muted);
  flex: 1 1 auto;
}

.toolbar-search {
  position: relative;
  flex: 0 1 300px;
}

.toolbar-search input {
  width: 100%;
  padding: 0.6rem 1rem;
  padding-inline-start: 2.5rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-base);
  font-size: 0.9rem;
  min-height: var(--touch-min);
  transition: border-color var(--transition-fast);
}

.toolbar-search input:focus {
  border-color: var(--emerald-400);
}

.toolbar-search .search-icon {
  position: absolute;
  inset-inline-start: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.toolbar-sort {
  position: relative;
}

.toolbar-sort .sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-base);
  font-size: 0.9rem;
  cursor: pointer;
  min-height: var(--touch-min);
  transition: border-color var(--transition-fast);
}

.toolbar-sort .sort-btn:hover, .toolbar-sort .sort-btn:focus-visible {
  border-color: var(--emerald-400);
}

.toolbar-sort .sort-menu {
  position: absolute;
  inset-inline-end: 0;
  top: 100%;
  margin-top: 0.25rem;
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--glow-md);
  padding: 0.5rem 0;
  z-index: 20;
  display: none;
}

.toolbar-sort .sort-menu.show {
  display: block;
}

.toolbar-sort .sort-option {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-base);
  font-size: 0.875rem;
  text-align: inherit;
  cursor: pointer;
  min-height: var(--touch-min);
  transition: background var(--transition-fast);
}

.toolbar-sort .sort-option:hover, .toolbar-sort .sort-option:focus-visible {
  background: var(--bg-hover);
}

.toolbar-sort .sort-option[aria-selected="true"] {
  color: var(--emerald-400);
  font-weight: 600;
}

/* ─────────────────────────────────────────
   CATALOG — Filter Panel
───────────────────────────────────────── */

.filters-panel {
  padding: 1.25rem;
}

.filters-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 1.25rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.filter-section {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.filter-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.filter-section h3 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.65rem;
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: var(--touch-min);
  transition: background var(--transition-fast);
}

.filter-item:hover {
  background: var(--bg-hover);
}

.filter-item.disabled {
  opacity: 0.35;
  pointer-events: none;
}

.filter-item input[type="checkbox"], .filter-item input[type="radio"] {
  accent-color: var(--emerald-400);
  width: 18px;
  height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}

.filter-item label {
  flex: 1;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.filter-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.1rem 0.5rem;
  border-radius: 100px;
  margin-inline-start: auto;
  min-width: 1.5rem;
  text-align: center;
}

.rating-label {
  color: var(--gold-400);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.rating-label .bi-star-fill {
  color: var(--gold-400);
  font-size: 0.82rem;
}

.rating-label .bi-star {
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* ─────────────────────────────────────────
   CATALOG — Course Cards
───────────────────────────────────────── */

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  animation: cardIn 0.4s var(--ease-smooth) both;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow-md);
  border-color: var(--border-glow);
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .course-card {
    animation: none;
  }
}

.course-card-img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.course-card-body {
  padding: 1.15rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.course-card-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.course-card-category--emerald {
  background: var(--em-900);
  color: var(--em-300);
  border: 1px solid var(--em-800);
}

.course-card-category--teal {
  background: rgba(120, 170, 50, 0.12);
  color: var(--teal-400);
  border: 1px solid var(--teal-800);
}

.course-card-category--cyan {
  background: rgba(0, 150, 136, 0.12);
  color: var(--cyan-400);
  border: 1px solid var(--cyan-800);
}

.course-card-category--gold {
  background: var(--gold-900);
  color: var(--gold-400);
  border: 1px solid rgba(200, 160, 40, 0.25);
}

.course-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  line-height: 1.4;
  color: var(--text-primary);
}

.course-card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  margin-top: auto;
  padding-top: 0.5rem;
}

.course-card-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.course-card-meta-item i {
  color: var(--emerald-600);
  font-size: 0.78rem;
}

.course-card-meta-item .bi-star-fill {
  color: var(--gold-400);
}

.course-card-stars {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  color: var(--gold-400);
  font-size: 0.8rem;
}

.course-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
}

.course-card-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.course-card-price--free {
  color: var(--emerald-400);
}

.course-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: var(--emerald-500);
  border: none;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.course-card-btn:hover, .course-card-btn:focus-visible {
  background: var(--emerald-400);
  color: #fff;
  text-decoration: none;
}

/* ── Card badge positioning (absolute over image) ── */

.course-card-category {
  position: absolute;
  top: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 1;
}

/* ── Catalog inline toolbar classes (used by HTML + JS) ── */

.results-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  flex: 1 1 auto;
  font-weight: 500;
}

.search-input {
  width: 100%;
  max-width: 240px;
  padding: 0.6rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-base);
  font-size: 0.9rem;
  min-height: var(--touch-min);
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  border-color: var(--emerald-400);
  outline: none;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.sort-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-base);
  font-size: 0.9rem;
  cursor: pointer;
  min-height: var(--touch-min);
  transition: border-color var(--transition-fast);
}

.sort-toggle:hover, .sort-toggle:focus-visible {
  border-color: var(--emerald-400);
}

.sort-menu {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--glow-md);
  padding: 0.5rem 0;
}

.sort-menu .dropdown-item {
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  min-height: var(--touch-min);
  display: flex;
  align-items: center;
  transition: background var(--transition-fast);
}

.sort-menu .dropdown-item:hover, .sort-menu .dropdown-item:focus-visible {
  background: var(--bg-hover);
}

.sort-menu .dropdown-item.active {
  background: var(--bg-hover);
  color: var(--emerald-400);
  font-weight: 600;
}

.sort-label {
  white-space: nowrap;
}

/* ── Card stagger animation delays ── */

.course-card-delay-0 {
  animation-delay: 0s;
}

.course-card-delay-1 {
  animation-delay: 0.08s;
}

.course-card-delay-2 {
  animation-delay: 0.16s;
}

.course-card-delay-3 {
  animation-delay: 0.24s;
}

.course-card-delay-4 {
  animation-delay: 0.32s;
}

.course-card-delay-5 {
  animation-delay: 0.40s;
}

/* ── Filter action buttons layout ── */

.filter-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

/* ── Filter reset button (ghost variant) ── */

.filter-reset-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: 0.6rem 1.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.filter-reset-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-glow);
  color: var(--text-primary);
}

/* ── FAB scroll hide ── */

.floating-fab.is-hidden {
  transform: translateY(calc(100% + 2rem));
  opacity: 0;
  pointer-events: none;
}

/* ─────────────────────────────────────────
   CATALOG — Pagination
───────────────────────────────────────── */

/* ── Bootstrap pagination overrides ── */

.pagination .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 0.4rem 0.75rem;
  font-family: var(--font-base);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm) !important;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.pagination .page-link:hover, .pagination .page-link:focus-visible {
  background: var(--bg-hover);
  border-color: var(--border-glow);
  color: var(--text-primary);
}

.pagination .page-item.active .page-link {
  background: var(--emerald-500);
  border-color: var(--emerald-400);
  color: #fff;
  font-weight: 700;
}

.pagination .page-item.disabled .page-link {
  color: var(--text-dim);
  background: transparent;
  border-color: var(--border-subtle);
  opacity: 0.5;
  pointer-events: none;
}

/* ─────────────────────────────────────────
   CATALOG — Empty State
───────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state-icon {
  font-size: 3rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
}

.empty-state-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

.empty-state-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--emerald-500);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.empty-state-btn:hover {
  background: var(--emerald-400);
}

/* ─────────────────────────────────────────
   CATALOG — Offcanvas (mobile filters)
───────────────────────────────────────── */

.offcanvas-filters, .mobile-offcanvas {
  background: var(--bg-deep) !important;
  border-inline-start: 1px solid var(--border-subtle) !important;
  border-inline-end: none !important;
  max-width: 320px;
}

.offcanvas-filters .offcanvas-header, .mobile-offcanvas .offcanvas-header {
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.offcanvas-filters .btn-close, .mobile-offcanvas .btn-close {
  filter: invert(1);
  margin: 0;
  margin-inline-start: auto;
  order: 2;
}

.offcanvas-filters .offcanvas-title, .mobile-offcanvas .offcanvas-title {
  order: 1;
}

/* ─────────────────────────────────────────
   CATALOG — Floating Filter Button (mobile)
───────────────────────────────────────── */

.floating-filter-btn, .floating-fab {
  position: fixed;
  inset-inline-end: 1.25rem;
  bottom: 1.25rem;
  z-index: var(--z-fab);
  display: none;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--emerald-500);
  color: #fff;
  border: none;
  border-radius: 50%;
  box-shadow: var(--glow-lg);
  cursor: pointer;
  font-size: 1.25rem;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.floating-filter-btn:hover, .floating-fab:hover {
  background: var(--emerald-400);
  transform: scale(1.05);
}

@media (max-width: 991.98px) {
  .floating-filter-btn, .floating-fab {
    display: flex;
  }
}

/* ─────────────────────────────────────────
   CATALOG — Toast
───────────────────────────────────────── */

.toast-container {
  position: fixed;
  bottom: 1.5rem;
  inset-inline-end: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 360px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  box-shadow: var(--glow-sm);
}

.toast-success {
  border-inline-start: 3px solid var(--emerald-400);
}

.toast-error {
  border-inline-start: 3px solid #ef5350;
}

.toast-warning {
  border-inline-start: 3px solid var(--gold-400);
}

.toast-info {
  border-inline-start: 3px solid var(--cyan-400);
}

.toast .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

/* ─────────────────────────────────────────
   CATALOG — Layout (sidebar + grid)
───────────────────────────────────────── */

.catalog-layout {
  display: flex;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
}

.catalog-sidebar, .sidebar {
  width: 260px;
  flex-shrink: 0;
  padding: 0;
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}

.sidebar .filters-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.catalog-main {
  flex: 1;
  min-width: 0;
}

@media (max-width: 991.98px) {
  .catalog-sidebar, .sidebar {
    display: none;
  }
}

@media (max-width: 991.98px) {
  .catalog-main {
    width: 100%;
  }
}

/* ─────────────────────────────────────────
   RESPONSIVE — Cards grid
───────────────────────────────────────── */

@media (max-width: 767.98px) {
  .courses-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 1rem;
  }
}

@media (max-width: 767.98px) {
  .toolbar {
    padding: 0.75rem 1rem;
  }
}

@media (max-width: 767.98px) {
  .toolbar-search {
    flex: 1 1 100%;
    order: 10;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}