/* ================================
   VARIABLES CSS
================================== */
:root {
  /* Couleurs principales */
  --beige: #f4eadc;
  --beige-medium: #ede1cf;
  --beige-dark: #cfc1a4;
  --white: #f9f6f1;
  --light-gray: #e5dccb;
  --dark: #423325;
  --dark-medium: #725b42;
  --black: #2b2116;
  --accent: #9e815f;
  --accent-light: #e3d3b7;
  --accent-dark: #7d6142;
  --gold: #b59b76;

  /* Gradients */
  --accent-gradient: linear-gradient(90deg, #b59b76 0%, #e3d3b7 100%);
  --accent-gradient-hover: linear-gradient(90deg, #9e815f 0%, #cfc1a4 100%);
  --header-gradient: linear-gradient(135deg, var(--white) 0%, var(--beige-medium) 50%, var(--accent-light) 100%);

  /* Bordures et ombres */
  --border: #cfc1a4;
  --border-light: #ede1cf;
  --border-radius: 12px;
  --shadow: 0 4px 20px rgba(178, 154, 111, 0.15);
  --shadow-hover: 0 8px 30px rgba(178, 154, 111, 0.25);
  --shadow-header: 0 2px 20px rgba(178, 154, 111, 0.12);

  /* Espacements - Unifiés pour toutes les tailles */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.75rem;
  --spacing-lg: 1rem;
  --spacing-xl: 1.5rem;
  --spacing-2xl: 2rem;

  /* Tailles de police - Unifiées */
  --text-xs: clamp(0.75rem, 3vw, 0.875rem);
  --text-sm: clamp(0.875rem, 3.5vw, 1rem);
  --text-base: clamp(1rem, 4vw, 1.125rem);
  --text-lg: clamp(1.125rem, 4.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 6vw, 2rem);
  --text-3xl: clamp(2rem, 7vw, 2.5rem);

  /* Hauteurs - Unifiées */
  --header-height: 60px;
  --sticky-selector-height: 50px;
  --floating-nav-height: 60px;
  --section-nav-height: 50px;
  --touch-target: 44px;

  /* Transitions et animations */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================
   RESET ET BASE
================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--beige);
  color: var(--dark);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: calc(var(--header-height) + var(--sticky-selector-height));
  padding-bottom: calc(var(--floating-nav-height) + var(--section-nav-height) + var(--spacing-lg));
  /* Optimisations tactiles */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
    padding-top: var(--header-height) !important;
}

/* Permettre la sélection de texte pour le contenu */
p, h1, h2, h3, h4, h5, h6, span, div.synthese-text, div.definition-content {
  -webkit-user-select: text;
  user-select: text;
}

/* ================================
   ANIMATIONS AU SCROLL - INTERSECTION OBSERVER
================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: var(--transition-slow);
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: var(--transition-slow);
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: var(--transition-slow);
}
.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* ================================
   EFFET RIPPLE POUR LES BOUTONS
================================== */
.ripple { position: relative; overflow: hidden; }
.ripple::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  pointer-events: none;
  z-index: 1;
}
.ripple:active::before { width: 300px; height: 300px; }
.ripple.dark::before { background: rgba(0, 0, 0, 0.1); }

/* ================================
   HEADER PRINCIPAL - UNIFIÉ
================================== */
.main-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--white) 0%, var(--beige-medium) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow);
  height: var(--header-height);
  transition: var(--transition-smooth);
}
.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.header-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
  transition: var(--transition-smooth);
}
.header-brand:hover { transform: translateY(-1px); }
.header-brand .logo {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  transition: var(--transition-smooth);
}
.header-brand:hover .logo {
  transform: rotate(5deg) scale(1.05);
  box-shadow: 0 2px 8px rgba(158, 129, 95, 0.3);
}
.header-brand h1 {
  font-size: var(--text-sm);
  color: var(--accent);
  font-weight: 700;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

/* Sélection globale - Masquée sur toutes les tailles */
.global-selector { display: none; }

.selector-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  flex: 1;
}
.selector-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--accent);
}
.selector-group select {
  padding: var(--spacing-sm);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--white);
  color: var(--dark);
  font-size: var(--text-sm);
  outline: none;
  transition: var(--transition-smooth);
  min-height: var(--touch-target);
}
.selector-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(158, 129, 95, 0.1);
  transform: translateY(-1px);
}
.selector-group select:disabled { opacity: 0.6; cursor: not-allowed; }

/* Navigation sections - Masquée sur toutes les tailles */
.section-nav { display: none; }

.nav-btn {
  background: var(--dark);
  color: var(--white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  white-space: nowrap;
  min-height: var(--touch-target);
}
.nav-btn:hover,
.nav-btn.active {
  background: var(--accent-gradient);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Menu hamburger - Visible sur toutes les tailles */
.mobile-menu-toggle {
  display: flex; flex-direction: column; justify-content: center;
  width: var(--touch-target); height: var(--touch-target);
  background: none; border: none; cursor: pointer;
  gap: 3px; padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition-smooth);
}
.mobile-menu-toggle:hover { background: var(--accent-light); transform: translateY(-1px); }
.mobile-menu-toggle:active { background: var(--accent-light); transform: scale(0.95); }
.mobile-menu-toggle span {
  display: block; height: 2px; width: 20px;
  background: var(--accent);
  transition: var(--transition-smooth);
  border-radius: 1px;
}
.mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ================================
   BARRE DE SÉLECTION STICKY - VISIBLE SUR TOUTES LES TAILLES
================================== */
.mobile-sticky-selector {
  position: fixed; top: var(--header-height); left: 0; right: 0;
  z-index: 999;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--beige-medium) 100%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 10px rgba(178, 154, 111, 0.1);
  height: var(--sticky-selector-height);
  transition: var(--transition-smooth);
  display: block;
}
.mobile-sticky-selector.hidden { transform: translateY(-100%); }

.sticky-selector-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.sticky-selector-group { flex: 1; }
.sticky-selector-group select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--white);
  color: var(--dark);
  font-size: var(--text-sm);
  outline: none;
  transition: var(--transition-smooth);
  min-height: 36px;
}
.sticky-selector-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(158, 129, 95, 0.1);
  transform: translateY(-1px);
}
.sticky-selector-group select:disabled { opacity: 0.6; cursor: not-allowed; }

.sticky-toggle-btn {
  background: var(--accent);
  color: var(--white);
  border: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: var(--text-sm);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition-smooth);
  flex-shrink: 0;
}
.sticky-toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.sticky-toggle-btn:active { transform: scale(0.95); background: var(--accent-dark); }
.sticky-toggle-btn.collapsed { transform: rotate(180deg); }
.sticky-toggle-btn.collapsed:hover { transform: rotate(180deg) translateY(-2px); }

/* ================================
   NAVIGATION FLOTTANTE - VISIBLE SUR TOUTES LES TAILLES
================================== */
.floating-nav {
  position: fixed;
  bottom: calc(var(--section-nav-height) + var(--spacing-md));
  left: 50%; transform: translateX(-50%);
  z-index: 998;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 30px;
  box-shadow: var(--shadow-hover);
  padding: var(--spacing-sm);
  display: block;
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}
.floating-nav:hover {
  transform: translateX(-50%) translateY(-2px);
  box-shadow: 0 12px 40px rgba(178, 154, 111, 0.3);
}
.floating-nav-content { display: flex; gap: var(--spacing-xs); align-items: center; }

.floating-nav-btn {
  background: transparent; border: none;
  width: var(--touch-target); height: var(--touch-target);
  border-radius: 50%;
  cursor: pointer; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition-smooth);
  position: relative;
}
.floating-nav-btn:hover {
  transform: translateY(-2px) scale(1.05);
  background: rgba(158, 129, 95, 0.1);
}
.floating-nav-btn:disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
  pointer-events: none;
}
.floating-nav-btn:active { transform: scale(0.9); }
.floating-nav-btn.active {
  background: var(--accent-gradient);
  box-shadow: 0 2px 8px rgba(158, 129, 95, 0.3);
  transform: scale(1.1);
}
.floating-nav-btn::after {
  content: attr(title);
  position: absolute; bottom: 100%; left: 50%;
  transform: translateX(-50%);
  background: var(--dark); color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--text-xs);
  white-space: nowrap;
  opacity: 0; visibility: hidden;
  transition: var(--transition-smooth);
  pointer-events: none;
  margin-bottom: var(--spacing-xs);
}
.floating-nav-btn:hover::after {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(-2px);
}

/* ================================
   NAVIGATION ENTRE SECTIONS - VISIBLE SUR TOUTES LES TAILLES
================================== */
.section-navigation {
  position: fixed; bottom: var(--spacing-md); left: 0; right: 0;
  z-index: 997;
  display: flex; justify-content: space-between;
  padding: 0 var(--spacing-md);
  height: var(--section-nav-height);
  align-items: center;
}
.section-nav-btn {
  background: var(--accent-gradient);
  color: var(--dark);
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  font-size: var(--text-sm);
  transition: var(--transition-smooth);
  box-shadow: var(--shadow);
  min-height: var(--touch-target);
  display: flex; align-items: center; gap: var(--spacing-xs);
}
.section-nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(178, 154, 111, 0.3);
  background: var(--accent-gradient-hover);
}
.section-nav-btn:active { transform: scale(0.95); box-shadow: 0 2px 10px rgba(178, 154, 111, 0.2); }
.section-nav-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.section-nav-btn:disabled:hover {
  transform: none; box-shadow: var(--shadow); background: var(--accent-gradient);
}
.section-nav-btn.prev-btn { margin-right: auto; }
.section-nav-btn.next-btn { margin-left: auto; }

/* ================================
   HEADERS DE SECTION - VISIBLE SUR TOUTES LES TAILLES
================================== */
.section-header-mobile {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition-smooth);
}
.section-header-mobile:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2); }
.section-header-mobile h2 {
  font-size: var(--text-xl);
  color: var(--accent);
  font-weight: 700;
  margin: 0;
  transition: var(--transition-smooth);
}
.section-progress {
  background: var(--accent-light);
  color: var(--accent-dark);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 20px;
  font-size: var(--text-sm);
  font-weight: 600;
  transition: var(--transition-smooth);
}
.section-progress:hover { transform: scale(1.05); background: var(--accent); color: var(--white); }

/* ================================
   Menu mobile overlay - VISIBLE SUR TOUTES LES TAILLES
================================== */
.mobile-menu-overlay {
  position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 999;
  opacity: 0; visibility: hidden;
  transition: var(--transition-smooth);
  backdrop-filter: blur(5px);
}
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }
.mobile-menu-content {
  background: var(--white);
  padding: var(--spacing-xl);
  margin: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  max-height: calc(100vh - var(--header-height) - 2rem);
  overflow-y: auto;
  transition: var(--transition-smooth);
  transform: translateY(-20px);
}
.mobile-menu-overlay.active .mobile-menu-content { transform: translateY(0); }
.mobile-selector { margin-bottom: var(--spacing-xl); }
.mobile-selector .selector-group { margin-bottom: var(--spacing-lg); }
.mobile-selector select {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--text-base);
  min-height: var(--touch-target);
  transition: var(--transition-smooth);
}
.mobile-nav { display: flex; flex-direction: column; gap: var(--spacing-md); }
.mobile-nav-btn {
  background: var(--beige-medium);
  color: var(--dark);
  border: 1px solid var(--border);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: var(--text-lg);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: left;
  min-height: var(--touch-target);
  display: flex; align-items: center; gap: var(--spacing-sm);
}
.mobile-nav-btn:hover,
.mobile-nav-btn.active {
  background: var(--accent-gradient);
  color: var(--dark);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ================================
   CONTENU PRINCIPAL - UNIFIÉ
================================== */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md);
  min-height: calc(100vh - var(--header-height) - var(--sticky-selector-height) - var(--floating-nav-height) - var(--section-nav-height) - 60px);
  padding-top: var(--spacing-md) !important;
}
.content-section { display: none; padding: var(--spacing-lg) 0; }
.content-section.active { display: block; }

.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.section-header h2 {
  font-size: var(--text-2xl);
  color: var(--accent);
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
  transition: var(--transition-smooth);
}
.section-description {
  font-size: var(--text-lg);
  color: var(--dark-medium);
  max-width: 600px;
  margin: 0 auto;
  transition: var(--transition-smooth);
}

/* ================================
   SECTION ACCUEIL - UNIFIÉE
================================== */
.hero-section {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition-smooth);
}
.hero-section:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2); }
.hero-content h2 {
  font-size: var(--text-2xl);
  color: var(--accent);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  line-height: 1.3;
  transition: var(--transition-smooth);
}
.hero-content p {
  font-size: var(--text-lg);
  color: var(--dark-medium);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg) auto;
  line-height: 1.5;
  transition: var(--transition-smooth);
}
.hero-actions {
  display: flex; flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  margin-top: var(--spacing-lg);
}

.formats-section {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  max-width: 100%;
  overflow: hidden;
  transition: var(--transition-smooth);
}
.formats-section:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2); }
.formats-section h3 {
  font-size: var(--text-xl);
  color: var(--accent);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-weight: 700;
  transition: var(--transition-smooth);
}
.video-grid {
  display: grid; grid-template-columns: 1fr;
  gap: var(--spacing-xl); max-width: 100%;
}
.video-card { text-align: center; max-width: 100%; transition: var(--transition-smooth); }
.video-card:hover { transform: translateY(-2px); }
.video-card h4 {
  font-size: var(--text-lg);
  color: var(--accent);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  transition: var(--transition-smooth);
}
.video-container {
  position: relative; width: 100%;
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
  overflow: hidden; box-shadow: var(--shadow);
  max-width: 100%; transition: var(--transition-smooth);
}
.video-container:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.3); }
.video-container::before { content: ''; display: block; padding-top: 56.25%; /* 16:9 */ }
.video-container.tiktok::before { padding-top: 177.78%; /* 9:16 */ }
.video-container iframe {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; border: none;
  transition: var(--transition-smooth);
}
.video-card p {
  color: var(--dark-medium);
  margin-bottom: var(--spacing-md);
  font-size: var(--text-base);
  line-height: 1.5;
  transition: var(--transition-smooth);
}

/* ================================
   CONTENEURS VIDÉO POUR LEXIQUE ET SYNTHÈSE
================================== */
.video-container-16-9 {
  position: relative;
  width: 100%;
  margin: 0 auto var(--spacing-lg) auto;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition-smooth);
}
.video-container-16-9:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.3); }
.video-container-16-9::before { content: ''; display: block; padding-top: 56.25%; /* 16:9 pour YouTube */ }
.video-container-16-9 iframe {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}
.video-container-9-16 {
  position: relative;
  width: 100%;
  min-width: 325px;     /* largeur minimale pour TikTok */
  max-width: 420px;     /* largeur maximale confortable */
  margin: 0 auto var(--spacing-lg) auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition-smooth);
}
.video-container-9-16:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.3); }
.video-container-9-16::before { content: ''; display: block; padding-top: 177.78%; /* 9:16 pour TikTok */ }
.video-container-9-16 iframe {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; border: none;
}

/* ================================
   BOUTONS RÉAGIR POUR VIDÉOS
================================== */
.video-react-btn {
  background: rgba(255, 255, 255, 0.9);
  color: var(--dark-medium);
  border: 1px solid var(--border-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
  backdrop-filter: blur(5px);
  display: inline-flex; align-items: center; gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  text-decoration: none;
  opacity: 0.8;
  min-height: 32px;
  /* Optimisations tactiles */
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.video-react-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  color: var(--accent-dark);
  border-color: var(--accent-light);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(178, 154, 111, 0.2);
}
.video-react-btn:active { transform: translateY(0) scale(0.98); box-shadow: 0 1px 4px rgba(178, 154, 111, 0.15); }

/* Conteneur pour centrer le bouton */
.video-react-container { text-align: center; margin-top: var(--spacing-sm); }

/* ================================
   SECTION PODCAST - UNIFIÉE
================================== */
.podcast-section {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--beige-medium);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-light);
  max-width: 100%;
  transition: var(--transition-smooth);
}
.podcast-section:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(178, 154, 111, 0.15); }
.podcast-section h5 {
  font-size: var(--text-lg);
  color: var(--accent);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  text-align: center;
  transition: var(--transition-smooth);
}
.podcast-player {
  display: flex; flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}
.podcast-player audio {
  width: 100%; max-width: 400px; height: 40px;
  border-radius: var(--border-radius);
  outline: none;
  transition: var(--transition-smooth);
}
.podcast-player audio:hover { transform: scale(1.02); }
.podcast-player audio::-webkit-media-controls-panel {
  background-color: var(--white);
  border-radius: var(--border-radius);
}
.podcast-links { display: flex; align-items: center; gap: var(--spacing-sm); font-size: var(--text-sm); }
.podcast-links a {
  color: var(--accent); text-decoration: none; font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition-smooth);
  background: var(--white); border: 1px solid var(--border);
}
.podcast-links a:hover,
.podcast-links a:active {
  background: var(--accent-light);
  color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.podcast-links span { color: var(--dark-medium); font-weight: 400; }

/* ================================
   BOUTONS - UNIFIÉS AVEC EFFET RIPPLE
================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 600; text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer; border: none;
  font-size: var(--text-base); text-align: center;
  min-height: var(--touch-target); min-width: var(--touch-target);
  gap: var(--spacing-sm); white-space: nowrap;
  /* Optimisations tactiles */
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  position: relative; overflow: hidden;
}
.btn-primary { background: var(--accent-gradient); color: var(--dark); box-shadow: var(--shadow); }
.btn-primary:hover,
.btn-primary:active { background: var(--accent-gradient-hover); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.btn-secondary { background: var(--beige-dark); color: var(--dark); border: 1px solid var(--border); }
.btn-secondary:hover,
.btn-secondary:active {
  background: var(--accent-light); border-color: var(--accent);
  transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ================================
   PLACEHOLDER CONTENT - UNIFIÉ
================================== */
.content-placeholder {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow);
  border: 2px dashed var(--border);
  transition: var(--transition-smooth);
}
.content-placeholder:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2);
  border-color: var(--accent-light);
}
.placeholder-message { max-width: 400px; margin: 0 auto; }
.placeholder-icon {
  font-size: 3rem; margin-bottom: var(--spacing-lg); opacity: 0.5;
  transition: var(--transition-smooth);
}
.content-placeholder:hover .placeholder-icon { opacity: 0.8; transform: scale(1.1); }
.placeholder-message h3 {
  font-size: var(--text-xl);
  color: var(--accent);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  transition: var(--transition-smooth);
}
.placeholder-message p { color: var(--dark-medium); line-height: 1.5; transition: var(--transition-smooth); }

/* ================================
   SECTION SYNTHÈSE - UNIFIÉE
================================== */

.synthese-content{
  max-width: 90vw;
}
.synthese-display {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  transition: var(--transition-smooth);
}
.synthese-display:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2); }

.synthese-content h3 {
  font-size: var(--text-2xl);
  color: var(--accent);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-weight: 700;
  line-height: 1.3;
  transition: var(--transition-smooth);
}
.synthese-video { margin-bottom: var(--spacing-xl); text-align: center; }
.synthese-video iframe {
  width: 100%; max-width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition-smooth);
}

/* Navigation des parties */
.partie-navigation-container { width: 100%; }
.partie-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--accent-light);
}
.partie-header h4 { margin: 0; color: var(--accent); font-size: var(--text-lg); font-weight: 700; }
.partie-counter {
  background: var(--accent);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  font-weight: 600;
}
.partie-content { margin-bottom: var(--spacing-xl); min-height: 200px; }

.partie-controls {
  display: flex; gap: var(--spacing-md);
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}
.partie-nav-btn {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--accent);
  background: var(--white);
  color: var(--accent);
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: var(--text-base);
}
.partie-nav-btn:hover:not(.disabled) { background: var(--accent); color: var(--white); transform: translateY(-2px); }
.partie-nav-btn.disabled {
  opacity: 0.4; cursor: not-allowed;
  border-color: var(--border); color: var(--dark-light);
}
.partie-nav-btn.disabled:hover { transform: none; background: var(--white); color: var(--dark-light); }

@media (max-width: 768px) {
  .partie-controls { flex-direction: column; gap: var(--spacing-sm); }
  .partie-header {
    flex-direction: column; gap: var(--spacing-sm);
    text-align: center;
  }
  .partie-header h4 { font-size: var(--text-base); }
}

/* Navigation vidéo */
.video-navigation { margin: var(--spacing-lg) 0; }
.video-header { display: flex; justify-content: center; margin-bottom: var(--spacing-md); }
.video-counter {
  background: var(--accent-light); color: var(--accent);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-weight: 600; font-size: var(--text-sm);
}
.video-controls {
  display: flex; justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}
.video-nav-btn { flex: 1; max-width: 200px; font-size: var(--text-sm); padding: var(--spacing-sm) var(--spacing-md); }
.video-nav-btn:disabled { opacity: 0.5; cursor: not-allowed; background: var(--border); color: var(--dark-light); }
.video-nav-btn:disabled:hover { background: var(--border); transform: none; }

@media (max-width: 768px) {
  .video-controls { flex-direction: column; gap: var(--spacing-sm); }
  .video-nav-btn { max-width: none; }
  .video-counter { font-size: var(--text-xs); padding: var(--spacing-xs) var(--spacing-sm); }
}

.synthese-video iframe:hover { transform: scale(1.02); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.3); }

.synthese-text {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--dark);
  max-width: 100%;
  margin: 0 auto;
}
.synthese-text p { margin-bottom: var(--spacing-lg); transition: var(--transition-smooth); }
.synthese-text strong {
  color: var(--accent-dark); font-weight: 700;
  background: rgba(158, 129, 95, 0.1);
  padding: 0.1em 0.3em; border-radius: 4px;
  transition: var(--transition-smooth);
}
.synthese-text em { color: var(--dark-medium); font-style: italic; font-weight: 600; transition: var(--transition-smooth); }

/* ================================
   SECTION LEXIQUE - UNIFIÉE
================================== */
.lexique-controls { margin-bottom: var(--spacing-xl); }
.search-box { max-width: 100%; margin: 0 auto; }
.search-box input {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--white);
  font-size: var(--text-base);
  outline: none;
  transition: var(--transition-smooth);
  min-height: var(--touch-target);
}
.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(158, 129, 95, 0.1);
  transform: translateY(-1px);
}
.lexique-display {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition-smooth);
}
.lexique-display:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2); }
.lexique-layout { display: grid; grid-template-columns: 1fr; gap: 0; }
.terms-list { border-bottom: 1px solid var(--border-light); }
.terms-list ul {
  list-style: none;
  max-height: none; /* supprimer la limite de hauteur */
  overflow: visible; /* plus de scroll interne */
}
.terms-list li {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-weight: 600;
  min-height: var(--touch-target);
  display: flex; align-items: center;
}
.terms-list li:hover,
.terms-list li.active {
  background: var(--accent-light);
  color: var(--accent-dark);
  transform: translateX(4px);
}
.definition-panel { padding: var(--spacing-xl); transition: var(--transition-smooth); }
.definition-placeholder { text-align: center; color: var(--dark-medium); font-style: italic; transition: var(--transition-smooth); }
.definition-content { font-size: var(--text-base); line-height: 1.7; color: var(--dark); transition: var(--transition-smooth); }
.definition-content h4 {
  font-size: var(--text-lg);
  color: var(--accent);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  transition: var(--transition-smooth);
}

/* ================================
   SECTION EXERCICES - UNIFIÉE ET DYNAMIQUE
================================== */
.exercise-modes {
  display: flex; justify-content: center; gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl); flex-wrap: wrap;
}
.mode-btn {
  background: var(--beige-dark); color: var(--dark);
  border: 1px solid var(--border);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 600; cursor: pointer;
  transition: var(--transition-smooth);
  font-size: var(--text-base);
  min-height: var(--touch-target);
  flex: 1; min-width: 150px;
  position: relative; overflow: hidden;
}
.mode-btn:hover,
.mode-btn.active {
  background: var(--accent-gradient); color: var(--dark);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.exercise-container {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  transition: var(--transition-smooth);
}
.exercise-container:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2); }

/* Styles pour les exercices dynamiques */
.exercise-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
}
.exercise-header h3 {
  font-size: var(--text-xl);
  color: var(--accent);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  transition: var(--transition-smooth);
}
.exercise-header p { color: var(--dark-medium); font-size: var(--text-base); transition: var(--transition-smooth); }

/* Barre de progression pour le mode synthèse */
.progress-bar {
  width: 100%; height: 8px; background: var(--beige-medium);
  border-radius: 4px; margin: var(--spacing-md) 0;
  overflow: hidden; transition: var(--transition-smooth);
}
.progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 4px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Questions du mode lexique */
.questions-container {
  display: flex; flex-direction: column; gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}
.exercise-question {
  background: var(--beige-medium);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}
.exercise-question:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(178, 154, 111, 0.15); }
.question-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--spacing-md); }
.question-number {
  background: var(--accent); color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px; font-size: var(--text-sm); font-weight: 600;
  transition: var(--transition-smooth);
}
.question-number:hover { transform: scale(1.05); }
.question-title {
  font-size: var(--text-lg); color: var(--accent-dark);
  margin-bottom: var(--spacing-md); font-weight: 700;
  transition: var(--transition-smooth);
}
.answer-select {
  width: 100%; padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--white);
  font-size: var(--text-base);
  outline: none; transition: var(--transition-smooth);
  min-height: var(--touch-target);
}
.answer-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(158, 129, 95, 0.1); transform: translateY(-1px); }
.answer-feedback {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition-smooth);
}

/* Questions du mode synthèse */
.question-container { max-width: 800px; margin: 0 auto; transition: var(--transition-smooth); }
.question-text {
  font-size: var(--text-lg); color: var(--accent-dark);
  margin-bottom: var(--spacing-xl);
  font-weight: 700; line-height: 1.4; text-align: center;
  transition: var(--transition-smooth);
}
.answers-grid { display: grid; grid-template-columns: 1fr; gap: var(--spacing-md); margin-bottom: var(--spacing-xl); }
.answer-option {
  background: var(--beige-medium); color: var(--dark);
  border: 1px solid var(--border);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: var(--text-base);
  font-weight: 600; cursor: pointer;
  transition: var(--transition-smooth);
  text-align: left; min-height: var(--touch-target);
  line-height: 1.4; position: relative; overflow: hidden;
}
.answer-option:hover:not(:disabled) {
  background: var(--accent-light); border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.answer-option:active { transform: scale(0.98); }
.answer-option:disabled { cursor: not-allowed; }
.question-feedback {
  background: var(--white); border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition-smooth);
}
.feedback-content { display: flex; flex-direction: column; gap: var(--spacing-md); }
.feedback-result {
  font-size: var(--text-lg); font-weight: 700;
  padding: var(--spacing-md); border-radius: var(--border-radius);
  transition: var(--transition-smooth);
}
.feedback-result.correct { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.feedback-result.incorrect { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.feedback-explanation {
  font-size: var(--text-base); color: var(--dark-medium);
  line-height: 1.6; text-align: left;
  background: var(--beige-medium);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  transition: var(--transition-smooth);
}

/* Actions et résultats */
.exercise-actions { text-align: center; margin-top: var(--spacing-xl); }
.verify-btn { font-size: var(--text-lg); padding: var(--spacing-lg) var(--spacing-2xl); position: relative; overflow: hidden; }
.exercise-results {
  margin-top: var(--spacing-xl);
  background: var(--white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition-smooth);
}
.exercise-results:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2); }
.results-content { max-width: 600px; margin: 0 auto; }
.results-header { margin-bottom: var(--spacing-xl); }
.results-emoji {
  font-size: 4rem; margin-bottom: var(--spacing-md);
  transition: var(--transition-smooth);
  animation: bounce 2s ease-in-out infinite;
}
.results-header h4 {
  font-size: var(--text-2xl);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  transition: var(--transition-smooth);
}
.results-score { margin-bottom: var(--spacing-xl); }
.score-circle {
  display: inline-flex; flex-direction: column;
  align-items: center; justify-content: center;
  width: 120px; height: 120px; border-radius: 50%;
  background: var(--accent-gradient); color: var(--dark);
  box-shadow: var(--shadow);
  margin: 0 auto; transition: var(--transition-smooth);
}
.score-circle:hover { transform: scale(1.05); box-shadow: var(--shadow-hover); }
.score-number { font-size: var(--text-2xl); font-weight: 700; line-height: 1; transition: var(--transition-smooth); }
.score-percentage { font-size: var(--text-lg); font-weight: 600; opacity: 0.8; transition: var(--transition-smooth); }
.results-details { margin-bottom: var(--spacing-xl); text-align: left; }
.results-details h5 {
  font-size: var(--text-lg); color: var(--accent);
  margin-bottom: var(--spacing-md);
  font-weight: 700; text-align: center;
  transition: var(--transition-smooth);
}
.details-list { display: flex; flex-direction: column; gap: var(--spacing-sm); max-height: 300px; overflow-y: auto; }
.result-detail {
  display: flex; align-items: flex-start; gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--text-sm);
  transition: var(--transition-smooth);
}
.result-detail:hover { transform: translateX(4px); }
.result-detail.correct { background: #d4edda; border: 1px solid #c3e6cb; }
.result-detail.incorrect { background: #f8d7da; border: 1px solid #f5c6cb; }
.result-icon { font-size: var(--text-lg); flex-shrink: 0; transition: var(--transition-smooth); }
.result-text { flex: 1; line-height: 1.4; transition: var(--transition-smooth); }
.result-text strong { color: var(--accent-dark); }
.result-text small { color: var(--dark-medium); font-size: var(--text-xs); }
.results-actions { display: flex; justify-content: center; gap: var(--spacing-md); flex-wrap: wrap; }

/* ================================
   SECTION TYPE BAC - UNIFIÉE
================================== */
.type-bac-controls {
  display: flex; justify-content: center; gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl); flex-wrap: wrap;
}
.control-group {
  display: flex; flex-direction: column; gap: var(--spacing-sm);
  min-width: 200px; flex: 1;
}
.control-group label {
  font-weight: 600; color: var(--accent);
  font-size: var(--text-sm); transition: var(--transition-smooth);
}
.control-group select {
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--white); color: var(--dark);
  font-size: var(--text-base);
  outline: none; transition: var(--transition-smooth);
  min-height: var(--touch-target);
}
.control-group select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(158, 129, 95, 0.1); transform: translateY(-1px); }

.subjects-container { display: block; max-width: 100%; }
.subjects-list { display: flex; flex-direction: column; gap: var(--spacing-sm); transition: var(--transition-smooth); }
.subjects-list:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(178, 154, 111, 0.2); }
.subject-item {
  padding: var(--spacing-md);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  cursor: pointer; transition: var(--transition-smooth);
  background: var(--beige-medium);
  min-height: var(--touch-target);
  display: flex; align-items: center;
}
.subject-item:hover,
.subject-item.active {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.subject-item h4 {
  color: var(--accent); font-weight: 700;
  margin-bottom: var(--spacing-xs); line-height: 1.3;
  transition: var(--transition-smooth);
}

.subject-pdf-container {
  margin: var(--spacing-sm) 0 var(--spacing-lg) 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: slideDown 0.3s ease-out;
}
@keyframes slideDown {
  from { opacity: 0; max-height: 0; }
  to   { opacity: 1; max-height: 800px; }
}
.pdf-viewer-inline { background: var(--white); position: relative; }
.pdf-header {
  background: var(--accent-light);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: flex-end;
}
.pdf-close-btn {
  background: var(--accent); color: var(--white);
  border: none; padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  cursor: pointer; font-size: var(--text-sm);
  transition: var(--transition-smooth);
}
.pdf-close-btn:hover { background: var(--accent-dark); transform: translateY(-1px); }
.pdf-iframe { width: 100%; height: 600px; border: none; display: block; }
.pdf-placeholder { text-align: center; color: var(--dark-medium); font-style: italic; transition: var(--transition-smooth); }
.no-subjects { text-align: center; color: var(--dark-medium); }

/* ================================
   FOOTER - UNIFIÉ
================================== */
/* Footer compact & discret (override) */
.main-footer{
  background: transparent;                 /* plus léger que --beige-dark */
  border-top: 1px solid var(--border-light);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: center;
  color: var(--dark-medium);
  font-size: var(--text-xs);               /* plus petit que --text-sm */
  line-height: 1.4;
  letter-spacing: 0.2px;
  opacity: 0.9;
}

/* Hover très subtil (on garde un léger feedback) */
.main-footer:hover{
  background: transparent;                 /* pas de gros flash */
  color: var(--dark-medium);
  opacity: 1;
}

/* ================================
   RESPONSIVE - AJUSTEMENTS MINEURS SEULEMENT
================================== */
@media (min-width: 768px) {
  /* Ajustements très légers pour les grands écrans */
  .video-grid { grid-template-columns: 2fr 1fr; max-width: 100%; }
  .video-card { max-width: 100%; }

  /* Limiter la taille de la vidéo TikTok sur tablette */
  .video-container.tiktok { max-width: 400px; margin: 0 auto var(--spacing-md) auto; }
  .hero-actions { flex-direction: row; justify-content: center; }

  .lexique-layout { grid-template-columns: 1fr 2fr; min-height: 600px; }
  .terms-list { border-bottom: none; border-right: 1px solid var(--border-light); }
  .terms-list ul { max-height: 600px; }

  .subjects-container { grid-template-columns: 1fr 2fr; }
  .pdf-viewer { min-height: 700px; }
  .pdf-viewer iframe { height: 700px; }

  /* Ajustements vidéos pour grands écrans */
  .video-container-16-9 { max-width: 800px; /* Limiter la largeur de la vidéo YouTube */ }
  .video-container-9-16 { max-width: 280px; /* Limiter la hauteur de la vidéo TikTok */ }

  /* Exercices responsive */
  .answers-grid { grid-template-columns: 1fr 1fr; }
  .results-actions { justify-content: center; }
}

@media (min-width: 1024px) {
  .video-grid { grid-template-columns: 3fr 2fr; max-width: 100%; }

  /* Limiter encore plus la vidéo TikTok sur desktop */
  .video-container.tiktok { max-width: 350px; margin: 0 auto var(--spacing-md) auto; }

  .synthese-video iframe { max-width: 1000px; height: 600px; }

  .lexique-layout { min-height: 700px; }
  .terms-list ul { max-height: 700px; }

  .subjects-container { grid-template-columns: 2fr 3fr; }
  .pdf-viewer { min-height: 800px; }
  .pdf-viewer iframe { height: 800px; }

  /* Ajustements vidéos pour très grands écrans */
  .video-container-16-9 { max-width: 900px; /* Vidéo YouTube centrée et limitée */ }
  .video-container-9-16 { max-width: 320px; /* Vidéo TikTok plus grande mais contrôlée */ }

  /* Exercices desktop */
  .answers-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
  .questions-container { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
}

@media (min-width: 1200px) {
  /* Limiter la taille maximale de la vidéo TikTok sur très grands écrans */
  .video-container.tiktok { max-width: 380px; margin: 0 auto var(--spacing-md) auto; }

  /* Ajustements pour très grands écrans */
  .video-container-16-9 { max-width: 1000px; /* Taille maximale pour YouTube */ }
  .video-container-9-16 { max-width: 350px; /* Taille maximale pour TikTok */ }
}

@media (max-width: 768px) {
  .subjects-container { display: block; }
  .pdf-iframe { height: 400px; }
  .subject-item { padding: var(--spacing-sm); }
  .subject-title { font-size: var(--text-sm); }
  .pdf-header { padding: var(--spacing-xs) var(--spacing-sm); }
  .pdf-close-btn { font-size: var(--text-xs); padding: var(--spacing-xs); }
}

/* ================================
   OPTIMISATIONS TACTILES
================================== */
@media (hover: none) and (pointer: coarse) {
  /* Supprimer les effets hover sur les appareils tactiles */
  .btn:hover,
  .nav-btn:hover,
  .mobile-nav-btn:hover,
  .mode-btn:hover,
  .subject-item:hover,
  .terms-list li:hover,
  .floating-nav-btn:hover::after,
  .podcast-links a:hover,
  .video-react-btn:hover,
  .answer-option:hover,
  .exercise-question:hover,
  .content-placeholder:hover,
  .synthese-display:hover,
  .lexique-display:hover,
  .exercise-container:hover,
  .subjects-list:hover,
  .pdf-viewer:hover,
  .exercise-results:hover,
  .formats-section:hover,
  .hero-section:hover,
  .podcast-section:hover,
  .video-container:hover,
  .video-container-16-9:hover,
  .video-container-9-16:hover,
  .section-header-mobile:hover,
  .floating-nav:hover,
  .header-brand:hover,
  .mobile-menu-toggle:hover,
  .sticky-toggle-btn:hover,
  .section-nav-btn:hover {
    /* transform: none; */
    box-shadow: inherit;
    opacity: inherit;
    visibility: inherit;
    background: inherit;
    color: inherit;
    border-color: inherit;
  }

  /* Ajouter des effets :active pour le feedback tactile */
  .btn:active { transform: scale(0.98); }
  .mobile-nav-btn:active,
  .mode-btn:active,
  .subject-item:active,
  .answer-option:active,
  .exercise-question:active { transform: scale(0.98); }
  .terms-list li:active { background: var(--accent-light); color: var(--accent-dark); }
  .podcast-links a:active { background: var(--accent-light); color: var(--accent-dark); transform: translateY(-1px); }
  .video-react-btn:active { transform: translateY(0) scale(0.98); box-shadow: 0 1px 4px rgba(178, 154, 111, 0.15); }
}

/* ================================
   ANIMATIONS - OPTIMISÉES ET ÉTENDUES
================================== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInFromBottom { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

.content-section.active { animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.floating-nav { animation: slideInFromBottom 0.4s ease-out; }
.section-navigation { animation: slideInFromBottom 0.5s ease-out; }
.mobile-sticky-selector { animation: slideInFromBottom 0.3s ease-out; }
.podcast-section { animation: fadeInUp 0.5s ease-out; }
.exercise-question { animation: fadeInUp 0.4s ease-out; }
.question-container { animation: fadeInUp 0.4s ease-out; }
.exercise-results { animation: fadeInUp 0.6s ease-out; }
.score-circle { animation: pulse 2s ease-in-out infinite; }
.results-emoji { animation: bounce 2s ease-in-out infinite; }

/* ================================
   ACCESSIBILITÉ
================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in-up, .fade-in-left, .fade-in-right, .scale-in {
    opacity: 1 !important; transform: none !important;
  }
}
/* Focus visible pour l'accessibilité */
*:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ================================
   PRINT STYLES
================================== */
@media print {
  .main-header,
  .main-footer,
  .mobile-menu-overlay,
  .mobile-sticky-selector,
  .floating-nav,
  .section-navigation,
  .section-header-mobile,
  .btn,
  .exercise-modes,
  .type-bac-controls,
  .hero-actions,
  .podcast-section,
  .video-react-btn,
  .exercise-actions,
  .results-actions { display: none !important; }

  body { padding-top: 0; padding-bottom: 0; }
  .main-content { padding: 0; max-width: none; }
  .content-section { display: block !important; page-break-before: always; }
  .content-section:first-child { page-break-before: auto; }
}

/* ================================
   STYLES SPÉCIFIQUES POUR TRÈS PETITS ÉCRANS
================================== */
@media (max-width: 360px) {
  :root {
    --spacing-md: 0.5rem;
    --spacing-lg: 0.75rem;
    --spacing-xl: 1rem;
  }
  .header-content { padding: 0 var(--spacing-sm); }
  .main-content { padding: var(--spacing-sm); }
  .hero-section, .formats-section { padding: var(--spacing-lg); }
  .mobile-menu-content { margin: var(--spacing-sm); padding: var(--spacing-lg); }
  .video-grid { gap: var(--spacing-lg); }
  .floating-nav-content { gap: 2px; }
  .floating-nav-btn { width: 36px; height: 36px; font-size: 1rem; }
  .section-nav-btn { padding: var(--spacing-sm) var(--spacing-md); font-size: var(--text-xs); }
  .podcast-section { padding: var(--spacing-md); }
  .podcast-links { flex-direction: column; gap: var(--spacing-sm); }
  .podcast-links span { display: none; }

  /* Limiter encore plus la vidéo TikTok sur très petits écrans */
  .video-container.tiktok { max-width: 280px; }

  /* Exercices sur très petits écrans */
  .answers-grid { grid-template-columns: 1fr; }
  .questions-container { grid-template-columns: 1fr; }
  .score-circle { width: 100px; height: 100px; }
  .score-number { font-size: var(--text-xl); }
  .score-percentage { font-size: var(--text-base); }
}

/* ================================
   GESTION DU SCROLL POUR LA BARRE STICKY
================================== */
.main-content.scroll-up .mobile-sticky-selector { transform: translateY(0); }
.main-content.scroll-down .mobile-sticky-selector { transform: translateY(-100%); }

/* ================================
   ÉTATS DE CHARGEMENT
================================== */
.loading { opacity: 0.7; pointer-events: none; position: relative; }
.loading::after {
  content: '';
  position: absolute; top: 50%; left: 50%;
  width: 20px; height: 20px; margin: -10px 0 0 -10px;
  border: 2px solid var(--accent-light);
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* ================================
   PACK MOBILE COMPACT & ÉPURÉ (≤480px)
   À coller en fin de fichier
================================== */
@media (max-width: 480px) {
  /* Variables plus denses */
  :root {
    /* Espacements compacts */
    --spacing-xs: 0.2rem;
    --spacing-sm: 0.35rem;
    --spacing-md: 0.5rem;
    --spacing-lg: 0.75rem;
    --spacing-xl: 1rem;
    --spacing-2xl: 1.25rem;

    /* Typos compactes */
    --text-xs: clamp(0.7rem, 3.5vw, 0.8rem);
    --text-sm: clamp(0.8rem, 3.8vw, 0.9rem);
    --text-base: clamp(0.9rem, 4vw, 1rem);
    --text-lg: clamp(1rem, 4.5vw, 1.1rem);
    --text-xl: clamp(1.1rem, 5vw, 1.3rem);
    --text-2xl: clamp(1.25rem, 5.5vw, 1.6rem);
    --text-3xl: clamp(1.6rem, 7vw, 2rem);

    /* Hauteurs & touch targets */
    --header-height: 52px;
    --sticky-selector-height: 44px;
    --floating-nav-height: 52px;
    --section-nav-height: 44px;
    --touch-target: 40px;

    /* Style plus épuré */
    --border-radius: 10px;
    --shadow: 0 2px 12px rgba(178,154,111,.12);
    --shadow-hover: 0 6px 18px rgba(178,154,111,.18);
  }

  /* Marges globales plus légères + safe areas */
  body {
    padding-top: calc(var(--header-height) + var(--sticky-selector-height) + env(safe-area-inset-top));
    padding-bottom: calc(var(--floating-nav-height) + var(--section-nav-height) + var(--spacing-sm) + env(safe-area-inset-bottom));
  }

  /* Header plus minimal */
  .main-header { background: var(--white); box-shadow: var(--shadow); }
  .header-content { gap: var(--spacing-xs); }
  .header-brand .logo { width: 24px; height: 24px; }
  .header-brand h1 { font-size: var(--text-sm); }
  .mobile-menu-toggle { width: 38px; height: 38px; gap: 2px; }

  /* Barre sticky plus plate */
  .mobile-sticky-selector { background: var(--white); border-bottom: 1px solid var(--border-light); box-shadow: none; }
  .sticky-selector-content { padding: 0 var(--spacing-sm); gap: var(--spacing-xs); }
  .sticky-selector-group select { min-height: 34px; padding: 6px 8px; font-size: var(--text-sm); }
  .sticky-toggle-btn { width: 28px; height: 28px; font-size: 0.85rem; }

  /* Sections & cartes: padding réduit */
  .main-content { padding: var(--spacing-sm); }
  .hero-section,
  .formats-section,
  .synthese-display,
  .lexique-display,
  .exercise-container,
  .content-placeholder,
  .podcast-section { padding: var(--spacing-lg); box-shadow: var(--shadow); }

  /* En-têtes de section */
  .section-header-mobile { margin-bottom: var(--spacing-md); padding: var(--spacing-md); box-shadow: none; border: 1px solid var(--border-light); }
  .section-header-mobile h2 { font-size: var(--text-lg); }
  .section-progress { font-size: var(--text-xs); padding: var(--spacing-xs) var(--spacing-sm); }

  /* Vidéos */
  .video-grid { gap: var(--spacing-lg); }
  .video-container { border-radius: var(--border-radius); }
  .video-container.tiktok { max-width: 260px; margin-inline: auto; }
  .video-container-16-9 { max-width: 100%; }

  /* Boutons */
  .btn { padding: var(--spacing-sm) var(--spacing-md); min-height: 38px; }
  .mode-btn { padding: var(--spacing-sm) var(--spacing-md); min-height: 38px; font-size: var(--text-sm); }

  /* Nav flottante */
  .floating-nav { bottom: calc(var(--section-nav-height) + var(--spacing-sm)); padding: 4px; }
  .floating-nav-btn { width: 40px; height: 40px; font-size: 1.05rem; }

  /* Nav précédente/suivante */
  .section-navigation { padding: 0 var(--spacing-sm); }
  .section-nav-btn { padding: var(--spacing-sm) var(--spacing-md); font-size: var(--text-sm); }

  /* Lexique + définitions */
  .search-box input { padding: 10px 12px; }
  .terms-list li { padding: var(--spacing-sm) var(--spacing-md); }
  .definition-panel { padding: var(--spacing-lg); }

  /* Synthèse */
  .synthese-video { margin-bottom: var(--spacing-lg); }
  .synthese-text p { margin-bottom: var(--spacing-md); }

  /* Exercices */
  .exercise-modes { gap: var(--spacing-sm); margin-bottom: var(--spacing-lg); }
  .exercise-header { margin-bottom: var(--spacing-lg); padding-bottom: var(--spacing-sm); }
  .questions-container { gap: var(--spacing-lg); }
  .exercise-question { padding: var(--spacing-md); }
  .question-title { font-size: var(--text-base); }
  .answer-select { padding: var(--spacing-sm); }
  .question-container { max-width: 100%; }
  .answers-grid { gap: var(--spacing-sm); }
  .answer-option { padding: var(--spacing-md); }
  .verify-btn { font-size: var(--text-base); padding: var(--spacing-md) var(--spacing-xl); }

  /* Résultats */
  .exercise-results { padding: var(--spacing-lg); }
  .score-circle { width: 96px; height: 96px; }
  .results-emoji { font-size: 3rem; }

  /* PDF */
  .pdf-iframe { height: 320px; }

  /* Communauté (overrides) */
  .community-card {
    padding: var(--spacing-lg) !important;
    box-shadow: none !important;
    border: 1px solid var(--border-light) !important;
  }
  .community-card h3 { font-size: var(--text-base); }
  .community-card p { font-size: var(--text-sm); }
}

/* Ultra compact pour très petits écrans (complément ≤480px) */
@media (max-width: 480px) {
  .partie-header {
    display: grid; grid-template-columns: 1fr auto;
    align-items: center;
    column-gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
    text-align: left;
  }
  .partie-header h4 {
    margin: 0; font-size: var(--text-base);
    white-space: normal; overflow: hidden; text-overflow: ellipsis;
    display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2;
  }
  .partie-counter {
    position: static; transform: none; margin-left: var(--spacing-sm);
    font-size: var(--text-xs); padding: 2px 8px; line-height: 1; border-radius: 999px;
  }
  .partie-content { margin-bottom: var(--spacing-md); }
  .partie-controls { margin-top: var(--spacing-sm); gap: var(--spacing-xs); }
  .partie-nav-btn { padding: 8px 10px; font-size: var(--text-sm); }
}

/* ================================
   AJUSTEMENTS LISTE TERMES (≥768px)
================================== */
@media (min-width: 768px) {
  .terms-list ul {
    max-height: 600px;   /* limite la hauteur pour créer le scroll */
    overflow-y: auto;    /* active uniquement le scroll vertical */
    overflow-x: hidden;  /* empêche tout scroll horizontal */
  }
}

/* ================================
   CARROUSEL VIDÉO (wrapper + vignettes + player)
================================== */
.video-carousel-wrapper {
  position: relative;
  display: flex; align-items: center;
  width: 100%;
  overflow: hidden; /* cache ce qui dépasse */
}
/* Conteneur des vignettes = ligne horizontale, SANS scroll */
.video-thumbs {
  display: flex; flex-wrap: nowrap;
  gap: 1rem; padding: 0.5rem;
  overflow: hidden; /* ➜ plus de scroll manuel */
}
/* Style commun des vignettes */
.video-thumb {
  flex: 0 0 auto; /* empêche l'étirement */
  cursor: pointer;
  border-radius: 6px; overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}
.video-thumb:hover { transform: scale(1.05); }
.video-thumb img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
/* Vignette horizontale (16:9) */
.video-thumb.horizontal { width: 220px; aspect-ratio: 16 / 9; }
/* Vignette verticale (Shorts 9:16) */
.video-thumb.vertical { width: 150px; aspect-ratio: 9 / 16; }
/* Lecteur vidéo intégré */
.video-player iframe { width: 100%; height: 100%; border: none; display: block; }
/* Conteneurs pour gérer ratio du player */
.video-container-16-9 { aspect-ratio: 16 / 9; width: 100%; }
.video-container-9-16 { aspect-ratio: 9 / 16; width: 100%; }
.video-container-16-9 iframe,
.video-container-9-16 iframe { width: 100%; height: 100%; border: none; display: block; }
/* Flèches de navigation */
.carousel-arrow {
  background: rgba(0,0,0,0.5); border: none; color: white;
  font-size: 1.5rem; cursor: pointer;
  padding: 0.3rem 0.6rem; border-radius: 50%;
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 10; transition: background 0.2s;
}
.carousel-arrow:hover { background: rgba(0,0,0,0.8); }
.carousel-arrow.left { left: 0.5rem; }
.carousel-arrow.right { right: 0.5rem; }

/* Forcer affichage sur mobile */
#syntheseDisplay { display: block !important; width: 100%; }

/* Empêche tout scroll horizontal global */
html, body { overflow-x: hidden; }

/* Conteneur des vignettes : scroll horizontal uniquement ici (override) */
.video-thumbs {
  display: flex; flex-wrap: nowrap;
  gap: 1rem;
  overflow-x: auto;      /* autorise scroll horizontal uniquement pour les vidéos */
  overflow-y: hidden;    /* pas de scroll vertical parasite */
  scroll-behavior: smooth;
  padding: 0.5rem;
  scrollbar-width: thin; /* garde une barre discrète sur Firefox */
}
.video-thumbs::-webkit-scrollbar { height: 6px; }
.video-thumbs::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.3); border-radius: 3px; }

/* ================================
   CARTES DE SYNTHÈSE
================================== */
.synthese-partie {
  position: relative;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-left: 6px solid var(--accent);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow);
  margin: var(--spacing-xl) 0;
  transition: var(--transition-smooth);
}
.synthese-partie:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(178,154,111,.22); }
.synthese-partie h4 {
  display: flex; align-items: center; gap: .5rem;
  font-size: var(--text-xl); color: var(--accent);
  margin-bottom: var(--spacing-md); line-height: 1.2;
}
/* État ciblé via #ancre */
.synthese-partie:target {
  border-left-color: var(--gold);
  box-shadow: 0 12px 36px rgba(181,155,118,.35);
  outline: 2px solid rgba(181,155,118,.25);
}
/* État lecture en cours (posé par JS) */
.synthese-partie.is-reading {
  border-left-color: var(--gold);
  background: linear-gradient(0deg, rgba(229,220,203,.35), transparent 40%);
}

/* ================================
   SOMMAIRE — BANDE HORIZONTALE STICKY & CENTRÉE
================================== */
/* Sommaire intégré (non sticky) */
#sommaire-auto {
  position: static !important;
  top: auto !important;
  z-index: auto !important;
  margin: 0 0 var(--spacing-lg);
  display: block;
}

/* Style du titre du sommaire (inchangé, juste plus discret au scroll) */
#sommaire-auto .toc-title {
  display: flex; align-items: center; justify-content: center;
  width: 100%; cursor: pointer; user-select: none;
  font-weight: 700; font-size: var(--text-sm); color: var(--dark);
  background: var(--accent-gradient);
  padding: .7rem 1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border);
  box-shadow: 0 6px 18px rgba(158,129,95,.18);
  min-height: 40px;
  transition: var(--transition-smooth);
}

#sommaire-auto .toc-title:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(158,129,95,.25);
}

#sommaire-auto .toc-title .ico {
  font-size: 1.05em; line-height: 1; margin-right: .5rem;
}

#sommaire-auto .toc-count {
  font-weight: 700; background: rgba(255,255,255,.85);
  padding: .1rem .45rem; border-radius: 999px;
  border: 1px solid var(--border-light); margin-left: .5rem;
}

/* Chevron */
#sommaire-auto .toc-title::after { content: "▸"; margin-left: .5rem; transition: transform .2s ease; opacity: .8; }
#sommaire-auto.open .toc-title::after { transform: rotate(90deg); }

/* Panneau des liens (ouverture gérée en JS par max-height) */
.sommaire-links {
  display: flex; flex-direction: column; gap: .35rem;
  padding: .6rem .5rem .25rem;
  background: var(--white);
  border: 1px solid var(--border-light); border-top: none;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  box-shadow: 0 8px 24px rgba(158,129,95,.12);
  overflow: hidden; max-height: 0; transition: max-height .25s ease;
}
/* Liens */
.sommaire-link {
  display: block; text-decoration: none;
  padding: .45rem .6rem;
  border-radius: .5rem;
  background: var(--beige-medium);
  color: var(--black);
  border: 1px solid var(--border-light);
  line-height: 1.4;
}
.sommaire-link:hover { background: var(--accent-light); }
.sommaire-link:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.sommaire-link.active { background: var(--accent-light); color: var(--accent-dark); border-color: var(--accent); }

/* Hint optionnel */
.toc-hint {
  font-size: var(--text-xs); color: var(--dark-medium);
  margin-top: .35rem; opacity: 0;
  transform: translateY(-4px);
  transition: var(--transition-fast);
}
.toc-hint.show { opacity: .9; transform: translateY(0); }

/* Pulse 1ʳᵉ visite (optionnel) */
@keyframes pulseGlow {
  0%,100% { box-shadow: 0 6px 18px rgba(158,129,95,.18); }
  50%     { box-shadow: 0 10px 26px rgba(158,129,95,.32); }
}
#sommaire-auto.attention .toc-title { animation: pulseGlow 1.4s ease-in-out 3; }

/* Centrage sur grands écrans */
@media (min-width: 768px) {
  #sommaire-auto { max-width: 900px; margin: 0 auto var(--spacing-lg); }
}

/* ================================
   FICHE DE RÉVISION (bloc résumé)
================================== */
.fiche-revision {
  background: var(--beige-medium);
  border: 1px solid var(--beige-dark);
  border-radius: 1rem;
  padding: 1rem 1.2rem;
  margin: 1rem 0 2rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.fiche-revision h4 {
  color: var(--dark-medium);
  margin-top: 1rem;
  font-size: clamp(1rem, 2vw, 1.15rem);
}
.fiche-revision ul { margin: .5rem 0 1rem 1.2rem; padding: 0; list-style: disc; }
.fiche-revision li { margin-bottom: .4rem; line-height: 1.4; }

/* Petits tableaux */
.fiche-revision .mini-table {
  width: 100%; border-collapse: collapse; margin: .75rem 0 1rem;
  font-size: 0.92rem;
}
.fiche-revision .mini-table th {
  background: var(--beige-dark); color: var(--black);
  padding: .45rem .6rem; text-align: left;
}
.fiche-revision .mini-table td {
  border-top: 1px solid var(--beige-dark);
  padding: .35rem .6rem; vertical-align: top;
}

/* Schémas simplifiés */
.fiche-revision .schema-simple {
  background: var(--beige);
  border-left: 4px solid var(--gold);
  padding: .6rem .8rem;
  border-radius: .5rem;
  margin: .8rem 0 1.2rem;
  font-weight: 500;
  color: var(--dark-medium);
  line-height: 1.5;
  text-align: center;
}
.fiche-revision .note-source { font-size: .9rem; opacity: .85; margin-top: .4rem; }
#syntheseDisplay.fade-in-up { opacity: 1 !important; transform: none !important; }

.video-thumbs {
  overscroll-behavior-x: contain;
  overscroll-behavior-y: none;
  touch-action: pan-y;
}
/* ==== HOTFIX MOBILE SYNTHÈSE (à la fin du fichier) ==== */

/* 1) Si une section a .fade-in-*, elle ne doit jamais rester à opacity:0 sur mobile */
@media (max-width: 768px) {
  .fade-in-up,
  .fade-in-left,
  .fade-in-right,
  .scale-in {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* 2) Forcer l’affichage des conteneurs de synthèse (au cas où un display:none traîne) */
#syntheseDisplay,
#syntheseText,
#syntheseVideo {
  display: block !important;
  visibility: visible !important;
}

/* 3) Empêcher qu’un overlay/menu couvre la synthèse par erreur */
.mobile-menu-overlay:not(.active) {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* 4) Sticky + header : éviter le recouvrement en haut */
#sommaire-auto { z-index: 5; }
.main-header { z-index: 1000; }
.mobile-sticky-selector { z-index: 999; }

/* 5) Sécurité : pas de overflow caché qui clippe le contenu de synthèse */
.synthese-display,
.synthese-partie {
  overflow: visible !important;
}

/* 6) Carrousel : on maintient le scroll horizontal sur mobile (certains styles plus haut le masquent) */
.video-thumbs {
  overflow-x: auto !important;
  overflow-y: hidden !important;
  -webkit-overflow-scrolling: touch;
}

/* 7) Si #syntheseDisplay avait été animé, on neutralise l’animation invisible */
#syntheseDisplay.fade-in-up {
  opacity: 1 !important;
  transform: none !important;
}

/* 8) Hauteurs calculées : éviter un min-height négatif ou trop grand qui pousse le contenu hors écran */
@media (max-width: 480px) {
  .main-content {
    min-height: auto !important;
  }
}
/* ==== PATCH STABILITÉ DESKTOP (à la fin du fichier) ==== */

/* 1) Ne jamais laisser la synthèse invisible si JS/observer arrive tard */
@media (min-width: 1024px) {
  .fade-in-up,
  .fade-in-left,
  .fade-in-right,
  .scale-in {
    opacity: 1 !important;
    transform: none !important;
  }
  /* si tu veux garder les effets : enlève ce bloc ↑ et vérifie que l’observer s’attache bien */
}

/* 2) Sommaire sticky : tenir compte du header + barre sticky sur desktop */
@media (min-width: 1024px) {
  #sommaire-auto {
    position: sticky;
    /* décale pour ne pas passer sous le header/bandeau */
    top: calc(var(--header-height) + 8px);
    z-index: 5;
  }
}

/* 3) Z-index cohérent pour éviter qu’un fixed/hover couvre la synthèse */
.main-header { z-index: 1000; }
.mobile-sticky-selector { z-index: 990; } /* sous le header */
.floating-nav { z-index: 980; }
.section-navigation { z-index: 970; }
#sommaire-auto { z-index: 960; }          /* contenu au-dessus du flux */
.synthese-display { position: relative; z-index: 950; }

/* 4) Overflow : ne pas clipper le contenu de synthèse sur de grandes cartes */
.synthese-display,
.synthese-partie {
  overflow: visible !important;
}

/* 5) Carrousel : garder le scroll horizontal aussi sur desktop (certaines règles le bloquaient) */
.video-carousel-wrapper { overflow: hidden; }
.video-thumbs {
  overflow-x: auto !important;
  overflow-y: hidden !important;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* 6) Largeurs/ratios vidéos stables sur desktop (évite le “saut” de mise en page) */
@media (min-width: 1024px) {
  .video-container-16-9 { max-width: 900px; margin-inline: auto; }
  .video-container-9-16 { max-width: 320px; margin-inline: auto; }
  .video-player iframe { display: block; width: 100%; height: 100%; }
}

/* 7) Min-height trop agressif : éviter que le calcul pousse/masque le contenu */
@media (min-width: 1024px) {
  .main-content {
    min-height: auto !important; /* privilégie la hauteur naturelle */
  }
}

/* 8) Éviter les effets hover qui créent des stacking-context (transform) sur gros conteneurs */
.synthese-display:hover,
.lexique-display:hover,
.exercise-container:hover,
.formats-section:hover,
.hero-section:hover {
  transform: none; /* désactive juste la translation pour éviter les bugs de z-index */
}

/* 9) Overlay menu : ne jamais couvrir le desktop quand inactif */
@media (min-width: 1024px) {
  .mobile-menu-overlay:not(.active) {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
  }
}

/* 10) Sélecteurs et nav flottante : éviter le recouvrement des clics sur le contenu */
.floating-nav,
.section-navigation {
  pointer-events: auto;
}
.synthese-display,
#syntheseText,
#syntheseVideo {
  pointer-events: auto;
}

/* 11) Sécurité : montrer la synthèse coûte que coûte */
#syntheseDisplay,
#syntheseText,
#syntheseVideo {
  display: block !important;
  visibility: visible !important;
}



/* ==========================================================
   🔹 CORRECTIONS — Style et animation déroulante (anti-débordement)
   ========================================================== */

.correction-container {
  background: var(--beige);
  border-left: 5px solid var(--accent-dark);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  box-shadow: 0 3px 8px rgba(0,0,0,.15);
  color: var(--black);
  line-height: 1.6;

  /* fermé par défaut */
  max-height: 0 !important;
  opacity: 0;
  overflow: hidden;

  transition: max-height .4s ease, opacity .4s ease, transform .25s ease, box-shadow .25s ease;
}

.correction-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
}

.correction-container.open {
  /* cap = hauteur de viewport − barres fixes => pas de débordement */
  max-height: calc(100vh - (var(--header-height) + var(--sticky-selector-height) + var(--floating-nav-height) + 40px)) !important;
  opacity: 1;
  overflow: auto;                 /* scroll interne si très long */
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;

  /* petit padding bas pour respirer, remplace l’ancienne grosse marge */
  padding-bottom: 12px;
  
  /* confort de scroll vers l’ancre */
  scroll-margin-top: calc(var(--header-height) + var(--sticky-selector-height) + 12px);
}

.correction-container.open[style] {
  /* n’écrase un éventuel max-height inline que quand c’est ouvert */
  max-height: none !important;
}

/* état fermé = zéro espace réservé */
.correction-container:not(.open) {
  border: none;
  box-shadow: none;
  padding: 0;
  margin: 0;
}

/* ❌ SUPPRIMÉ pour éviter le grand espace :
   .correction-container.open:last-child { margin-bottom: calc(...); } */

/* ----------- Contenu ----------- */
.correction-content {
  animation: fadeIn .25s ease;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.correction-content h4 {
  color: var(--accent-dark);
  font-weight: 600;
  margin: 1rem 0 .5rem 0;
  padding-left: .6rem;
  border-left: 3px solid var(--accent);
  font-size: 1.05rem;
}
.correction-content p { margin-bottom: .75rem; }
.correction-content ul { margin: .5rem 0 1rem 1.2rem; padding-left: .5rem; list-style: disc inside; }
.correction-content li { margin-bottom: .4rem; }
.correction-content strong { color: var(--accent-dark); }
.correction-content em { color: var(--dark-medium); font-style: italic; }

.correction-content img,
.correction-content video,
.correction-content iframe {
  max-width: 100%; height: auto; display: block;
  border-radius: 6px; box-shadow: 0 1px 4px rgba(0,0,0,.06); margin: .4rem 0;
}

.correction-content .table-wrapper { width: 100%; overflow-x: auto; }
.correction-content table { width: 100%; border-collapse: collapse; margin: .5rem 0 1rem; font-size: .95em; }
.correction-content th, .correction-content td { border-top: 1px solid var(--beige-dark); padding: .4rem .5rem; vertical-align: top; }

.correction-content pre, .correction-content code { white-space: pre-wrap; word-break: break-word; }
.correction-content pre { background: #fff; border: 1px solid var(--border-light); border-radius: 8px; padding: .6rem .8rem; overflow-x: auto; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scrollbar discrète (optionnel) */
.correction-container.open::-webkit-scrollbar { width: 8px; }
.correction-container.open::-webkit-scrollbar-thumb { background: rgba(0,0,0,.15); border-radius: 6px; }
.correction-container.open { scrollbar-width: thin; scrollbar-color: rgba(0,0,0,.15) transparent; }

/* Responsive : cap un peu différent sur mobile */
@media (max-width: 768px) {
  .correction-container.open {
    max-height: calc(100vh - (var(--header-height) + var(--sticky-selector-height) + 28px)) !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .correction-container { transition: opacity .01ms linear; }
  .correction-container.open { max-height: none !important; }
}


/* ==========================================================
   🔹 AFFICHAGE DES SUJETS TYPE BAC
   ========================================================== */

/* Bloc global */
.subject-item {
  display: block;
  background: var(--beige-medium);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-light);
}

/* Structure du contenu */
.subject-content {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

/* Zone des boutons */
.subject-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

/* Micro-boutons (compacts et harmonieux) */
.subject-actions .btn {
  font-size: 0.8rem;
  padding: 0.3rem 0.65rem;
  border-radius: 5px;
  font-weight: 500;
  box-shadow: none;
  line-height: 1.2;
  transition: all 0.15s ease-in-out;
  min-height: unset;
}

/* Hover subtil */
.subject-actions .btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Couleurs des boutons */
.subject-actions .btn-primary {
  background: var(--accent-gradient);
  color: var(--white);
  border: none;
}

.subject-actions .btn-secondary {
  background: var(--beige-dark);
  color: var(--black);
  border: none;
}


/* ==========================================================
   🔹 AJUSTEMENTS MOBILE — SYNTHÈSES PLUS COMPACTES
   ========================================================== */
@media (max-width: 768px) {

  /* Réduction du padding des synthèses */
  .synthese-display {
    padding: 0.75rem 0.9rem !important;
  }

  /* Même réduction pour les sous-parties */
  .synthese-partie {
    padding: 0.75rem 0.9rem !important;
    margin: 0.75rem 0 !important;
  }

  /* Texte plus compact mais toujours lisible */
  .synthese-text {
    font-size: 0.92rem !important;
    line-height: 1.6 !important;
  }

  /* Réduction de la marge entre paragraphes */
  .synthese-text p {
    margin-bottom: 0.6rem !important;
  }

  /* Titres un peu plus compacts aussi */
  .synthese-content h3 {
    font-size: 1.1rem !important;
    margin-bottom: 1rem !important;
  }

  .synthese-partie h4 {
    font-size: 1rem !important;
    margin-bottom: 0.6rem !important;
  }
}

/* Ultra compact pour très petits écrans (≤480px) */
@media (max-width: 480px) {
  .synthese-display {
    padding: 0.6rem 0.75rem !important;
  }
  .synthese-partie {
    padding: 0.6rem 0.75rem !important;
  }
  .synthese-text {
    font-size: 0.88rem !important;
    line-height: 1.55 !important;
  }
}

/* ==========================================================
   🔹 PATCH TABLEAUX RESPONSIVES (mini-table + table-wrapper)
   ========================================================== */

/* Conteneur scroll horizontal si le tableau dépasse */
.fiche-revision .mini-table,
.correction-content .table-wrapper {
  width: 100%;
  overflow-x: auto;
  display: block;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.fiche-revision .mini-table::-webkit-scrollbar,
.correction-content .table-wrapper::-webkit-scrollbar {
  height: 6px;
}
.fiche-revision .mini-table::-webkit-scrollbar-thumb,
.correction-content .table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 3px;
}

/* Les tableaux internes prennent 100% de la largeur du conteneur */
.fiche-revision .mini-table table,
.correction-content table {
  width: 100%;
  border-collapse: collapse;
  min-width: 400px; /* garantit un scroll horizontal si besoin */
}

/* Alignement et lisibilité */
.fiche-revision .mini-table th,
.fiche-revision .mini-table td,
.correction-content th,
.correction-content td {
  padding: 0.5rem 0.6rem;
  text-align: left;
  word-wrap: break-word;
  white-space: normal;
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Bordures plus visibles sur fond clair */
.fiche-revision .mini-table th {
  background: var(--beige-dark);
  color: var(--black);
}
.fiche-revision .mini-table td {
  border-top: 1px solid var(--beige-dark);
}

/* Adaptation spéciale mobile */
@media (max-width: 480px) {
  .fiche-revision .mini-table,
  .correction-content .table-wrapper {
    margin-inline: -0.5rem; /* supprime le léger décalage de marge */
    border-radius: 0.5rem;
  }
  .fiche-revision .mini-table th,
  .fiche-revision .mini-table td,
  .correction-content th,
  .correction-content td {
    font-size: 0.85rem;
    padding: 0.4rem 0.5rem;
  }
}


/* ===== Modal d’entrée ===== */
.start-modal{
  position: fixed; inset: 0; z-index: 2000;
  display: grid; place-items: center;
  background: rgba(0,0,0,.25); backdrop-filter: blur(4px);
}
.start-modal__panel{
  width: min(720px, 92vw);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-hover);
  padding: var(--spacing-xl);
}
.start-modal__title{
  margin: 0 0 var(--spacing-lg) 0;
  color: var(--accent);
  font-size: var(--text-2xl);
  text-align: center;
}
.start-modal__grid{
  display: grid; gap: var(--spacing-lg);
  grid-template-columns: 1fr; 
}
@media (min-width: 720px){
  .start-modal__grid{ grid-template-columns: repeat(3,1fr); }
}
.start-modal__actions{
  margin-top: var(--spacing-xl);
  display: flex; gap: var(--spacing-md); align-items: center; justify-content: flex-end;
}

/* fixes discrets pour la modale — sans changer le look */
.start-modal__grid > * { min-width: 0; }        /* évite que le <select> déborde en grid */
.start-modal__panel { overflow: visible; }      /* permet au menu déroulant de s'ouvrir */
/* Menu mobile — fixes sûrs */
#mobileMenuOverlay{
  position: fixed; inset: 0;
  display: none;
  background: rgba(0,0,0,.35);
  z-index: 10000;            /* au-dessus du header */
}
#mobileMenuOverlay.active{ display:block; }
.mobile-menu-content{
  position: absolute; top:0; right:0; bottom:0;
  width: min(90vw, 360px);
  background: var(--white);
  box-shadow: -8px 0 24px rgba(0,0,0,.2);
  overflow:auto;
}
#mobileMenuToggle{ position: relative; z-index: 10001; } /* clic toujours pris */



/* === Suppression complète des sélecteurs globaux === */
.global-selector,
.mobile-sticky-selector {
  display: none !important;
  visibility: hidden;
  pointer-events: none;
  height: 0;
  overflow: hidden;
}

/* === Compacter l'espace sous le header quand on a supprimé les sélecteurs === */

/* le header ne réserve plus d'espace supplémentaire */
.main-header{
  margin-bottom: 0 !important;
  padding-bottom: var(--spacing-sm);
}

/* le contenu remonte */
.main-content{
  margin-top: 0 !important;
  padding-top: var(--spacing-lg);
}

/* la première section ne pousse pas trop */
.content-section:first-of-type{
  margin-top: var(--spacing-md) !important;
  padding-top: var(--spacing-md);
}

/* titres/entêtes de section sans marge haute superflue */
.section-header-mobile{
  margin-top: 0;
}
.section-title, .section-header{
  margin-top: 0;
}

/* au cas où un spacer existerait encore */
.page-header-spacer, .header-spacer{
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}

:root{
  /* Hauteur de la barre d’onglets */
  --bottom-nav-height: 60px;
}

/* Barre fixe pleine largeur */
.bottom-nav{
  position: fixed; left: 0; right: 0; bottom: 0;
  height: var(--bottom-nav-height);
  z-index: 998;
  display: flex;
  align-items: center;
  background: var(--white);
  border-top: 1px solid var(--border);
  box-shadow: 0 -6px 18px rgba(178,154,111,.18);
  padding: 4px 6px;
  margin: 0 auto;
}

/* Boutons d’onglet */
.bottom-nav-btn{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap: 4px;
  border:0; background:transparent; cursor:pointer;
  font-size: 1.1rem; /* emoji */
  color: var(--dark); padding: 4px 0;
  transition: var(--transition-smooth);
}
.bottom-nav-btn span{
  font-size: var(--text-xs);
  line-height: 1; font-weight: 600; opacity:.8;
}
.bottom-nav-btn.active{
  color: var(--accent);
  transform: translateY(-1px);
}
.bottom-nav-btn:active{ transform: scale(.96); }

/* Masque l’ancienne barre flottante si le CSS est encore chargé */
.floating-nav{ display:none !important; }


/* ============================
   BARRE FIXE BAS — VERSION 3
   (angles arrondis + effet tactile)
============================ */
:root {
  --bottom-nav-height: 64px;
  --bottom-nav-active-bg: var(--beige-medium);
}

/* Barre fixe */
.bottom-nav {
  position: fixed;
  left: 8px;              /* petit retrait latéral pour effet “flottant” */
  right: 8px;
  bottom: 8px;
  height: var(--bottom-nav-height);
  z-index: 998;
  display: flex;
  align-items: center;
  background: var(--white);
  border-top: 1px solid var(--beige-dark);
  box-shadow: 0 -4px 18px rgba(67, 51, 37, 0.12);
  border-radius: 20px;     /* arrondi global de la barre */
  overflow: hidden;        /* coupe l’effet hover à l’intérieur */
  user-select: none;
}

/* Boutons d’onglets */
.bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--dark);
  font-weight: 600;
  padding: 6px 0;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.15s ease;
  border-radius: 16px; /* arrondi interne pour chaque bouton */
}

/* Étiquette */
.bottom-nav-btn span {
  font-size: 0.7rem;
  line-height: 1;
  opacity: 0.85;
  pointer-events: none;
}

/* État actif */
.bottom-nav-btn.active {
  color: var(--accent);
  background: var(--bottom-nav-active-bg);
  transform: translateY(-1px);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
}

/* Survol et clic */
.bottom-nav-btn:hover {
  background: var(--beige-medium);
}
.bottom-nav-btn:active {
  background: var(--accent-light);
  transform: scale(0.96);
  border-radius: 20px; /* effet doux lors du clic */
}

/* Masque l’ancienne nav flottante */
.floating-nav {
  display: none !important;
}

/* Espace réservé pour la barre */
body {
  padding-bottom: calc(var(--bottom-nav-height) + 16px + env(safe-area-inset-bottom));
}




/* ================================
   BARRE COMPACTE DE SÉLECTION
================================ */
.top-selector-bar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 950;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-header);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  height: 42px;
}

.top-selector {
  font-size: var(--text-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--beige-light, #f7f3ed);
  color: var(--dark);
  cursor: pointer;
  transition: var(--transition-fast);
}

.top-selector:hover,
.top-selector:focus {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-1px);
}


:root{
  --topbar-height: 56px; /* hauteur de la nouvelle barre compacte */
}

body{
  padding-top: var(--topbar-height) !important;
}

/* Barre compacte */
.top-selector-bar{
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--topbar-height);
  display: flex; align-items: center; gap: var(--spacing-md);
  padding: 0 var(--spacing-md);
  background: linear-gradient(135deg, var(--beige-medium) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-header);
}

/* Logo compact */
.header-brand.compact{ display:flex; align-items:center; gap:var(--spacing-xs); flex-shrink:0; }
.header-brand.compact .logo{ width:28px; height:28px; border-radius:50%; border:1px solid var(--accent); }
.header-brand.compact h1{ font-size:var(--text-sm); color:var(--accent); font-weight:700; white-space:nowrap; }

/* Zone sélecteurs */
.selectors{ display:flex; align-items:center; gap:var(--spacing-sm); flex:1; justify-content:flex-end; }
.top-selector{
  font-size: var(--text-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  background: var(--white);
  color: var(--dark);
  min-height: var(--touch-target);
  transition: var(--transition-fast);
}
.top-selector:hover, .top-selector:focus{
  border-color: var(--accent); background: var(--accent-light); transform: translateY(-1px);
}

/* Bouton menu dans la barre */
.top-selector-bar .mobile-menu-toggle{
  margin-left:auto; /* reste collé à droite si besoin */
}
.main-header{ display:none !important; }


/* --- Corrections mobile: éviter que la barre dépasse --- */
.top-selector-bar {
  width: 100%;
  box-sizing: border-box;
  padding-left: max(8px, env(safe-area-inset-left));
  padding-right: max(8px, env(safe-area-inset-right));
  overflow: hidden;           /* coupe tout débordement éventuel */
}

.top-selector-bar .header-brand.compact { 
  flex: 0 0 auto; 
}

.top-selector-bar .selectors {
  flex: 1 1 auto;             /* prend le reste de l'espace */
  min-width: 0;               /* autorise la réduction réelle */
}

.top-selector-bar .top-selector {
  flex: 1 1 0;                /* 2 selects qui se partagent l'espace */
  min-width: 0;
  max-width: none;
}

/* Bouton menu : taille fixe compacte */
.top-selector-bar .mobile-menu-toggle {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
}

/* Petits écrans : compacter et cacher le titre pour gagner de la place */
@media (max-width: 480px) {
  .top-selector-bar { gap: 8px; padding-left: 8px; padding-right: 8px; }
  .header-brand.compact h1 { display: none; }         /* garde juste le logo */
  .header-brand.compact .logo { width: 24px; height: 24px; }

  .top-selector-bar .top-selector {
    /* rester >=16px pour éviter le zoom iOS */
    font-size: 16px;
    padding: 6px 10px;
  }

  .top-selector-bar .selectors { gap: 6px; }
}

/* Ultra petits écrans (ex. 360px) : encore un peu plus serré */
@media (max-width: 360px) {
  .top-selector-bar .mobile-menu-toggle { width: 36px; height: 36px; }
}



/* ===== Communauté : cartes WhatsApp simplifiées ===== */
#communaute {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-md);
  background: var(--beige-medium);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}
#communaute .section-header h2 {
  color: var(--accent-dark);
  margin-bottom: var(--spacing-sm);
}
#communaute .section-header p {
  color: var(--dark-medium);
  margin-bottom: var(--spacing-xl);
}

.wa-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}
@media (max-width: 700px) {
  .wa-grid { grid-template-columns: 1fr; }
}

.wa-card {
  display: flex;
  align-items: center;
  text-align: left;
  gap: var(--spacing-md);
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  transition: var(--transition-smooth);
}
.wa-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

.wa-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.wa-content h3 {
  color: var(--dark);
  font-size: var(--text-base);
  margin-bottom: 4px;
}
.wa-content p {
  color: var(--dark-medium);
  font-size: var(--text-sm);
}

.wa-chip {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 9999px;
  color: var(--dark);
}
.wa-premiere { background: #FFF3E6; border: 1px solid #FFD9B3; }
.wa-terminale { background: #EAE6FF; border: 1px solid #D2CBFF; }

/* ===== Réseaux ===== */
.support-section h3 {
  color: var(--dark);
  margin-bottom: var(--spacing-md);
}
.social-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}
.social-card {
  background: var(--white);
  color: var(--accent-dark);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--spacing-sm) var(--spacing-lg);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-smooth);
}
.social-card:hover {
  background: var(--accent-light);
  color: var(--dark);
}

/* --- Sticky footer: force le footer tout en bas --- */
html, body { height: 100%; }

/* Le body devient une colonne qui remplit tout l’écran */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Le contenu principal prend tout l’espace disponible */
.main-content {
  flex: 1 0 auto;
}

/* Le footer pousse automatiquement en bas */
.site-footer {
  margin-top: auto;       /* clé du sticky footer */
  position: static;       /* s'assurer qu'il n'est pas en fixed */
  z-index: 1;             /* sous la nav flottante si besoin */
}

/* Option: compacter visuellement la barre */
.site-footer .footer-inner {
  padding: var(--spacing-lg) var(--spacing-md);
}

.live-banner {
  position: sticky;
  top: 0;
  z-index: 1200;
  display: block;               /* pour que toute la barre soit cliquable */
  text-decoration: none;        /* enlever le soulignement */
  background: var(--accent-gradient);
  color: var(--black);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 4px 8px;
  border-bottom: 1px solid var(--border-light);
  letter-spacing: 0.3px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  animation: fadeSlideIn 1s ease both;
}

.live-banner:hover {
  filter: brightness(0.98);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.10);
}

.live-banner:active {
  transform: translateY(0);
}

.live-banner:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}