/* ==========================================================================
   LycéeBac — style.css
   Modèle visuel inspiré de flpce.org :
   Tailwind CDN pour les utilitaires + cette feuille pour les composants
   (nav, sidebar, dropdowns, cartes, footer) et le mode sombre.
   Support RTL (arabe) inclus.
   ========================================================================== */

/* ---------- 1. Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  overflow-x: hidden;
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    "Noto Sans", "Noto Sans Arabic", Tahoma, sans-serif;
  background-color: #ffffff;
  color: #111827;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input { font: inherit; }

:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
  border-radius: 6px;
}

::selection { background: #2563eb; color: #ffffff; }

.hidden { display: none !important; }

/* ---------- 2. Lien d'évitement (accessibilité) ---------- */
.skip-link {
  position: fixed;
  top: -100%;
  inset-inline-start: 1rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: #2563eb;
  color: #ffffff;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0.75rem; }

/* ---------- 3. Header / Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  padding: 0.75rem 1rem;
}

/* Hamburger : 3 barres */
#menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease;
}
#menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background-color: #111827;
  transition: transform 0.2s ease;
}
#menu-toggle:hover { background-color: #f3f4f6; }

/* Logo centré */
.nav-logo { position: absolute; left: 50%; transform: translateX(-50%); }
[dir="rtl"] .nav-logo { transform: translateX(50%); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
  flex-shrink: 0;
}
.brand-mark svg { width: 24px; height: 24px; }
.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #111827;
}

/* Boutons icônes (recherche · langue · thème · fermer) */
.icon-button {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease;
}
.icon-button:hover { background-color: #f3f4f6; }
.nav-actions { gap: 0.35rem; }
#close-sidebar { inset-inline-end: 1rem; }

/* Dropdowns (recherche / langue) */
.dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  inset-inline-end: 0;
  z-index: 50;
  width: 17rem;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  padding: 1rem;
}
.language-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-radius: 0.375rem;
  transition: background-color 0.2s ease;
  color: #374151;
}
.language-item:hover { background-color: #f3f4f6; }
.language-item.active { background-color: #dbeafe; font-weight: 600; }

/* ---------- 4. Sidebar (tiroir de navigation) ---------- */
#sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  inset-inline-start: 0;
  z-index: 60;
  width: min(85vw, 20rem);
  background-color: #ffffff;
  border-inline-end: 1px solid #e5e7eb;
  overflow-y: auto;
  transform: translateX(-110%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}
[dir="rtl"] #sidebar { transform: translateX(110%); }
body.sidebar-open #sidebar { transform: translateX(0); }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: #374151;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  font-size: 0.9375rem;
  font-weight: 500;
}
.sidebar-link:hover {
  background-color: #f3f4f6;
  color: #2563eb;
  transform: translateX(4px);
}
[dir="rtl"] .sidebar-link:hover { transform: translateX(-4px); }

/* Voile assombri */
#backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background-color: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
body.sidebar-open #backdrop { opacity: 1; pointer-events: auto; }

/* ---------- 5. Contenu principal ---------- */
main {
  flex: 1;
  width: 100%;
  max-width: 100%;
  position: relative;
}

/* Cartes (offres + niveaux) — identiques au modèle flpce.org */
.feature-card {
  background-color: #ffffff;
  border: 2px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}
.feature-card:hover {
  border-color: #3b82f6;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* ---------- 6. Dernières nouveautés ---------- */
.latest-list { list-style: none; margin: 0; padding: 0; }
.latest-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.25rem;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.latest-item:hover {
  border-color: #3b82f6;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
}
.tag {
  flex-shrink: 0;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  background-color: #dbeafe;
  color: #2563eb;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}
.latest-title {
  flex: 1;
  min-width: 0;
  font-size: 0.94rem;
  font-weight: 600;
  color: #111827;
}
.latest-title:hover { color: #2563eb; }
.latest-time {
  flex-shrink: 0;
  font-size: 0.78rem;
  color: #6b7280;
  white-space: nowrap;
}
.arrow-ico { transition: transform 0.2s ease; }
[dir="rtl"] .arrow-ico { transform: scaleX(-1); }

/* ---------- 7. Footer sombre (comme flpce.org) ---------- */
.site-footer {
  background-color: #1f2937;
  color: #f9fafb;
  margin-top: auto;
}
.site-footer a { transition: color 0.2s ease; }
.site-footer a:hover { color: #3b82f6; }
.site-footer .brand-name { color: #ffffff; }

/* ---------- 8. MODE SOMBRE — palette noire du modèle flpce.org ----------
   Le sélecteur `.dark-mode` fonctionne que la classe soit posée sur <html>
   ou sur <body> (le script anti-flash la pose sur <html>). */
.dark-mode { background-color: #000000; color: #ffffff; }
.dark-mode body { background-color: #000000; color: #ffffff; }

/* Navigation & sidebar */
.dark-mode .site-nav { background-color: #000000; border-bottom-color: #333333; }
.dark-mode .brand-name { color: #ffffff; }
.dark-mode #menu-toggle span { background-color: #ffffff; }
.dark-mode #menu-toggle:hover,
.dark-mode .icon-button:hover { background-color: #1a1a1a; }
.dark-mode #sidebar { background-color: #0a0a0a; border-inline-end-color: #333333; }
.dark-mode .sidebar-link { color: #ffffff; }
.dark-mode .sidebar-link:hover { background-color: #1a1a1a; color: #60a5fa; }
.dark-mode #sidebar .border-b { border-color: #333333; }

/* Dropdowns & champs */
.dark-mode .dropdown { background-color: #0a0a0a; border-color: #333333; color: #ffffff; }
.dark-mode .language-item { color: #ffffff; }
.dark-mode .language-item:hover { background-color: #1a1a1a; }
.dark-mode .language-item.active { background-color: #1e3a8a; }
.dark-mode input {
  background-color: #1a1a1a;
  border-color: #333333;
  color: #ffffff;
}
.dark-mode input::placeholder { color: #888888; }

/* Sections : tout passe au noir, comme flpce.org */
.dark-mode section { background-color: #000000 !important; color: #ffffff; }
.dark-mode .bg-gradient-to-br { background: #000000 !important; }
.dark-mode .bg-gray-50 { background-color: #0a0a0a !important; }

/* Cartes */
.dark-mode .feature-card,
.dark-mode .latest-item {
  background-color: #0a0a0a;
  border-color: #333333;
  color: #ffffff;
}
.dark-mode .feature-card:hover { border-color: #60a5fa; background-color: #1a1a1a; }
.dark-mode .latest-item:hover { border-color: #60a5fa; }
.dark-mode .feature-card h3,
.dark-mode .latest-title { color: #ffffff; }
.dark-mode .feature-card p { color: #d1d5db; }
.dark-mode .bg-blue-100 { background-color: #1e3a8a !important; }

/* Textes : hiérarchie grise remappée (ordre = priorité) */
.dark-mode h1, .dark-mode h2, .dark-mode h3,
.dark-mode h4, .dark-mode h5, .dark-mode h6 { color: #ffffff; }
.dark-mode p, .dark-mode span, .dark-mode div { color: #ffffff; }
.dark-mode .text-gray-900 { color: #ffffff !important; }
.dark-mode .text-gray-800 { color: #f3f4f6 !important; }
.dark-mode .text-gray-700 { color: #e5e7eb !important; }
.dark-mode .text-gray-600 { color: #d1d5db !important; }
.dark-mode .text-gray-500 { color: #9ca3af !important; }
.dark-mode .text-gray-400 { color: #6b7280 !important; }
.dark-mode .text-gray-300 { color: #d1d5db !important; }
.dark-mode .text-blue-600 { color: #60a5fa !important; }
.dark-mode .text-blue-400 { color: #60a5fa !important; }
.dark-mode .tag { background-color: #1e3a8a; color: #93c5fd; }

/* Boutons bleus conservés */
.dark-mode .bg-blue-600 { background-color: #2563eb !important; }
.dark-mode .border-blue-600 { border-color: #2563eb !important; }

/* ---------- 9. Responsive ---------- */
@media (max-width: 767px) {
  .site-nav { padding: 0.6rem 0.6rem; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-mark svg { width: 20px; height: 20px; }
  .brand-name { font-size: 1.05rem; }
  .nav-actions { gap: 0.15rem; }
  .icon-button, #menu-toggle { width: 38px; height: 38px; }
  .dropdown { width: min(92vw, 17rem); inset-inline-end: -2rem; }
}

@media (max-width: 420px) {
  .site-nav { padding: 0.5rem 0.4rem; }
  .brand-name { font-size: 0.98rem; }
  .icon-button, #menu-toggle { width: 35px; height: 35px; }
}

/* Éléments flexibles de la liste nouveautés sur mobile */
@media (max-width: 720px) {
  .latest-item { flex-wrap: wrap; row-gap: 0.25rem; padding: 0.85rem 1rem; }
  .latest-time { margin-inline-start: auto; }
}

/* ---------- 10. Accordéons hiérarchiques (taxonomies par pays) ---------- */
.acc-trigger {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.7rem 1rem;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #374151;
  text-align: start;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.acc-trigger:hover { background-color: #f3f4f6; color: #2563eb; }
.acc-flag { font-size: 1.25rem; line-height: 1; flex-shrink: 0; }
.acc-label { flex: 1; min-width: 0; }
.acc-trigger::after {
  content: "▾";
  flex-shrink: 0;
  color: #9ca3af;
  transition: transform 0.2s ease;
}
.acc-trigger[aria-expanded="true"]::after { transform: rotate(180deg); }

/* Sous-niveaux (cycles dans un pays) */
.acc-trigger--sub {
  padding-inline-start: 2rem;
  font-weight: 500;
  font-size: 0.9rem;
}
.acc-panel { list-style: none; margin: 0.15rem 0 0.35rem; padding: 0; }
.acc-panel .acc-panel { margin-inline-start: 0.65rem; }

/* Feuilles de l'arborescence */
.sidebar-link--leaf {
  padding-inline-start: 3rem;
  font-size: 0.875rem;
}
.sidebar-link--leaf::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #93c5fd;
  flex-shrink: 0;
}

.dark-mode .acc-trigger { color: #ffffff; }
.dark-mode .acc-trigger:hover { background-color: #1a1a1a; color: #60a5fa; }
.dark-mode .acc-trigger::after { color: #6b7280; }

/* Cartes pays (accueil) */
.flag-badge {
  font-size: 2.5rem;
  line-height: 1;
  display: block;
  margin-bottom: 1rem;
}

/* ---------- 10b. Sélecteur de taxonomie (pays → niveaux, modèle AlloSchool) ---------- */
.taxo-countries-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}
.taxo-country {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.1rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.75rem;
  background: #ffffff;
  color: #111827;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.taxo-country:hover { border-color: #2563eb; background-color: #eff6ff; color: #2563eb; }
.taxo-country.taxo-active {
  border-color: #2563eb;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
}
.taxo-flag { font-size: 1.5rem; line-height: 1; flex-shrink: 0; }
.taxo-label { flex: 1; min-width: 0; text-align: start; }

/* Fil d'Ariane */
.taxo-crumb,
.taxo-home {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.9rem;
  border-radius: 9999px;
  background: #f1f5f9;
  color: #374151;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.taxo-crumb:hover, .taxo-home:hover { background-color: #e2e8f0; color: #2563eb; }
.taxo-crumb.taxo-current { background-color: #2563eb; color: #ffffff; }
.taxo-sep { color: #9ca3af; font-size: 0.9rem; }

/* Grille des niveaux */
.taxo-levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0.75rem;
}
.taxo-level {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.9rem 1.1rem;
  border-radius: 0.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: start;
  cursor: pointer;
}
.taxo-level.taxo-leaf {
  background: #ffffff;
  border: 1.5px solid #dbeafe;
  color: #1e40af;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.taxo-level.taxo-leaf:hover { background: #eff6ff; border-color: #2563eb; color: #2563eb; }
.taxo-level.taxo-drill {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
  transition: filter 0.2s ease;
}
.taxo-level.taxo-drill:hover { filter: brightness(1.05); }
.taxo-carat { flex-shrink: 0; font-size: 1rem; color: inherit; opacity: 0.8; }
[dir="rtl"] .taxo-carat { transform: scaleX(-1); }

/* Bouton Recommencer */
.taxo-ghost {
  margin-top: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: 9999px;
  background: transparent;
  border: 1.5px solid #d1d5db;
  color: #374151;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.taxo-ghost:hover { background-color: #eef2ff; border-color: #2563eb; color: #2563eb; }

/* Mode sombre */
.dark-mode .taxo-countries-row { background: transparent; }
.dark-mode .taxo-country {
  background: #1a1f2e;
  border-color: #334155;
  color: #e2e8f0;
}
.dark-mode .taxo-country:hover { border-color: #60a5fa; background-color: #1e293b; color: #60a5fa; }
.dark-mode .taxo-country.taxo-active {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
}
.dark-mode .taxo-crumb, .dark-mode .taxo-home {
  background: #1e293b;
  color: #cbd5e1;
}
.dark-mode .taxo-crumb:hover, .dark-mode .taxo-home:hover { background-color: #334155; color: #60a5fa; }
.dark-mode .taxo-crumb.taxo-current { background-color: #2563eb; color: #ffffff; }
.dark-mode .taxo-sep { color: #64748b; }
.dark-mode .taxo-level.taxo-leaf {
  background: #1a1f2e;
  border-color: #2b3a55;
  color: #93c5fd;
}
.dark-mode .taxo-level.taxo-leaf:hover { background-color: #1e293b; border-color: #60a5fa; color: #60a5fa; }
.dark-mode .taxo-level.taxo-drill {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #ffffff;
}
.dark-mode .taxo-ghost {
  background: transparent;
  border-color: #475569;
  color: #cbd5e1;
}
.dark-mode .taxo-ghost:hover { background-color: #1e293b; border-color: #60a5fa; color: #60a5fa; }

/* Sélecteur responsive : 2 pays par ligne sur mobile */
@media (max-width: 720px) {
  .taxo-countries-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .taxo-country { padding: 0.8rem 0.6rem; font-size: 0.95rem; }
  .taxo-levels-grid { grid-template-columns: 1fr; }
}

/* ---------- 11. Accessibilité : mouvement réduit ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}