/* ============================================================
   DoInLab - Feuille de styles principale
   Charte graphique : bleu ciel / bleu azur / bleu clair
   Version : 2026-05-001
   ============================================================ */

/* ─── Variables de couleurs ─────────────────────────────── */
:root {
  --bleu-50: #eff6ff;
  --bleu-100: #dbeafe;
  --bleu-200: #bfdbfe;
  --bleu-300: #93c5fd;
  --bleu-400: #60a5fa;
  --bleu-500: #3b82f6;
  --bleu-600: #2563eb;
  --bleu-700: #1d4ed8;
  --bleu-800: #1e40af;
  --bleu-900: #1e3a8a;

  --azur-400: #38bdf8;
  --azur-500: #0ea5e9;
  --azur-600: #0284c7;

  --gris-50: #f9fafb;
  --gris-100: #f3f4f6;
  --gris-200: #e5e7eb;
  --gris-300: #d1d5db;
  --gris-400: #9ca3af;
  --gris-500: #6b7280;
  --gris-600: #4b5563;
  --gris-700: #374151;
  --gris-800: #1f2937;
  --gris-900: #111827;

  --vert-500: #22c55e;
  --vert-600: #16a34a;
  --jaune-500: #eab308;
  --orange-500: #f97316;
  --rouge-500: #ef4444;
  --rouge-600: #dc2626;
  --violet-500: #8b5cf6;
  --emeraude-500: #10b981;

  --couleur-principale: var(--bleu-600);
  --couleur-principale-hover: var(--bleu-700);
  --couleur-secondaire: var(--azur-500);
  --couleur-accent: var(--bleu-400);

  --bg-principal: #f0f7ff;
  --bg-carte: #ffffff;
  --bg-navbar: #1e3a8a;

  --texte-principal: var(--gris-900);
  --texte-secondaire: var(--gris-600);
  --texte-clair: #ffffff;

  --ombre-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --ombre-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --ombre-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --ombre-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);

  --rayon-sm: 6px;
  --rayon-md: 10px;
  --rayon-lg: 16px;
  --rayon-xl: 24px;
  --rayon-full: 9999px;

  --transition: all 0.2s ease;
  --transition-lente: all 0.35s ease;
}

/* ─── Reset et base ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-principal);
  color: var(--texte-principal);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--couleur-principale); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--couleur-principale-hover); }

img { max-width: 100%; height: auto; display: block; }

button { cursor: pointer; font-family: inherit; }

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--gris-800); }
h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p { color: var(--texte-secondaire); }

/* ─── Navbar ─────────────────────────────────────────────── */
.navbar {
  background: var(--bg-navbar);
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: white;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.navbar-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--azur-400), var(--bleu-400));
  border-radius: var(--rayon-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 2rem;
  flex: 1;
}

.navbar-link {
  color: rgba(255,255,255,0.8);
  padding: 0.4rem 0.85rem;
  border-radius: var(--rayon-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.navbar-link:hover, .navbar-link.actif {
  background: rgba(255,255,255,0.15);
  color: white;
}

.navbar-link.actif {
  background: rgba(255,255,255,0.2);
}

.navbar-droite {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.navbar-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  padding: 0.4rem;
  border-radius: var(--rayon-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  position: relative;
}

.navbar-btn:hover { background: rgba(255,255,255,0.15); color: white; }

.badge-notif {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--rouge-500);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: var(--rayon-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-navbar);
}

.btn-admin {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  padding: 0.35rem 0.75rem;
  border-radius: var(--rayon-sm);
  font-size: 0.8rem;
  font-weight: 600;
}

.btn-admin:hover { background: rgba(255,255,255,0.25); }

.dropdown { position: relative; }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: white;
  border-radius: var(--rayon-md);
  box-shadow: var(--ombre-xl);
  min-width: 200px;
  z-index: 2000;
  overflow: hidden;
  display: none;
  border: 1px solid var(--gris-200);
}

.dropdown-menu.ouvert { display: block; animation: fadeSlideDown 0.2s ease; }

@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  color: var(--gris-700);
  font-size: 0.875rem;
  transition: var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.dropdown-item:hover { background: var(--bleu-50); color: var(--couleur-principale); }
.dropdown-separator { height: 1px; background: var(--gris-200); margin: 0.25rem 0; }

/* ─── Layout principal ──────────────────────────────────── */
.conteneur-principal {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

.conteneur-large {
  padding: 1.5rem;
}

/* ─── Mise en page avec sidebar (projets) ───────────────── */
.layout-projet {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 60px);
  gap: 0;
}

.sidebar {
  background: white;
  border-right: 1px solid var(--gris-200);
  padding: 1.5rem 0;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  overflow-y: auto;
}

.sidebar-titre {
  padding: 0 1.25rem;
  margin-bottom: 1rem;
}

.sidebar-titre h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gris-400);
  font-weight: 600;
}

.sidebar-titre h2 {
  font-size: 1rem;
  color: var(--gris-800);
  margin-top: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-lien {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  color: var(--gris-600);
  font-size: 0.9rem;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-lien:hover {
  background: var(--bleu-50);
  color: var(--couleur-principale);
  border-left-color: var(--bleu-200);
}

.sidebar-lien.actif {
  background: var(--bleu-50);
  color: var(--couleur-principale);
  border-left-color: var(--couleur-principale);
  font-weight: 600;
}

.sidebar-separateur {
  height: 1px;
  background: var(--gris-100);
  margin: 0.75rem 0;
}

.contenu-projet {
  padding: 1.5rem;
  overflow-y: auto;
}

/* ─── Cartes (tuiles) ───────────────────────────────────── */
.carte {
  background: var(--bg-carte);
  border-radius: var(--rayon-lg);
  box-shadow: var(--ombre-sm);
  border: 1px solid var(--gris-100);
  overflow: hidden;
  transition: var(--transition-lente);
}

.carte:hover { box-shadow: var(--ombre-lg); transform: translateY(-2px); }

.carte-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gris-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.carte-body { padding: 1.25rem 1.5rem; }

.carte-footer {
  padding: 0.875rem 1.5rem;
  background: var(--gris-50);
  border-top: 1px solid var(--gris-100);
}

/* Tuiles projets */
.grille-tuiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.tuile-projet {
  background: white;
  border-radius: var(--rayon-lg);
  border: 1px solid var(--gris-200);
  overflow: hidden;
  transition: var(--transition-lente);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.tuile-projet:hover {
  box-shadow: var(--ombre-lg);
  border-color: var(--bleu-200);
  transform: translateY(-3px);
}

.tuile-projet-header {
  background: linear-gradient(135deg, var(--bleu-600), var(--azur-500));
  padding: 1.25rem;
  color: white;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.tuile-projet-titre { font-size: 1.05rem; font-weight: 700; color: white; margin-bottom: 0.25rem; }
.tuile-projet-desc { font-size: 0.8rem; color: rgba(255,255,255,0.8); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.tuile-projet-body { padding: 1rem 1.25rem; flex: 1; }

.tuile-projet-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--gris-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Tuile de création */
.tuile-creation {
  background: var(--bleu-50);
  border: 2px dashed var(--bleu-300);
  border-radius: var(--rayon-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  padding: 2rem;
  cursor: pointer;
  transition: var(--transition-lente);
  color: var(--bleu-600);
  text-align: center;
  gap: 0.5rem;
}

.tuile-creation:hover {
  background: var(--bleu-100);
  border-color: var(--bleu-500);
  transform: translateY(-2px);
}

.tuile-creation-icone {
  width: 48px;
  height: 48px;
  background: var(--bleu-100);
  border-radius: var(--rayon-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bleu-600);
}

/* Tuiles équipements */
.tuile-equipement {
  background: white;
  border-radius: var(--rayon-lg);
  border: 1px solid var(--gris-200);
  overflow: hidden;
  transition: var(--transition-lente);
  display: flex;
  flex-direction: column;
}

.tuile-equipement:hover {
  box-shadow: var(--ombre-lg);
  border-color: var(--bleu-200);
  transform: translateY(-2px);
}

.tuile-equipement-image {
  height: 160px;
  background: var(--gris-100);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.tuile-equipement-image img { width: 100%; height: 100%; object-fit: cover; }
.tuile-equipement-image .placeholder { color: var(--gris-300); }

.tuile-equipement-body { padding: 1rem; flex: 1; }
.tuile-equipement-nom { font-weight: 700; font-size: 0.95rem; color: var(--gris-800); margin-bottom: 0.25rem; }
.tuile-equipement-cat { font-size: 0.75rem; color: var(--bleu-500); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.tuile-equipement-desc { font-size: 0.8rem; color: var(--gris-500); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.tuile-equipement-footer {
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--gris-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ─── Onglets ────────────────────────────────────────────── */
.onglets {
  display: flex;
  border-bottom: 2px solid var(--gris-200);
  gap: 0;
  overflow-x: auto;
}

.onglet {
  padding: 0.75rem 1.25rem;
  border: none;
  background: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gris-500);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  position: relative;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.onglet:hover { color: var(--couleur-principale); }

.onglet.actif {
  color: var(--couleur-principale);
  border-bottom-color: var(--couleur-principale);
  font-weight: 600;
}

.contenu-onglet { display: none; }
.contenu-onglet.actif { display: block; }

/* ─── Boutons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--rayon-sm);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.5;
}

.btn-principal {
  background: var(--couleur-principale);
  color: white;
}
.btn-principal:hover { background: var(--couleur-principale-hover); color: white; transform: translateY(-1px); }

.btn-secondaire {
  background: var(--gris-100);
  color: var(--gris-700);
}
.btn-secondaire:hover { background: var(--gris-200); color: var(--gris-800); }

.btn-contour {
  background: transparent;
  border: 1.5px solid var(--couleur-principale);
  color: var(--couleur-principale);
}
.btn-contour:hover { background: var(--bleu-50); }

.btn-danger {
  background: var(--rouge-500);
  color: white;
}
.btn-danger:hover { background: var(--rouge-600); }

.btn-succes {
  background: var(--vert-500);
  color: white;
}

.btn-ia {
  background: linear-gradient(135deg, var(--violet-500), var(--bleu-500));
  color: white;
}
.btn-ia:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }
.btn-lg { padding: 0.7rem 1.4rem; font-size: 1rem; }
.btn-icone { padding: 0.4rem; width: 34px; height: 34px; justify-content: center; }

/* ─── Formulaires ────────────────────────────────────────── */
.form-groupe {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gris-700);
  margin-bottom: 0.4rem;
}

.form-label.requis::after {
  content: " *";
  color: var(--rouge-500);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.55rem 0.875rem;
  border: 1.5px solid var(--gris-300);
  border-radius: var(--rayon-sm);
  font-size: 0.9rem;
  color: var(--gris-800);
  background: white;
  transition: var(--transition);
  font-family: inherit;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--couleur-principale);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea { min-height: 100px; resize: vertical; }

.form-aide { font-size: 0.775rem; color: var(--gris-400); margin-top: 0.25rem; }

.form-erreur { font-size: 0.775rem; color: var(--rouge-500); margin-top: 0.25rem; }

.form-grille { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.form-grille-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.form-col-plein { grid-column: 1 / -1; }

/* Zone de dépôt de fichiers */
.zone-upload {
  border: 2px dashed var(--gris-300);
  border-radius: var(--rayon-md);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--gris-50);
}
.zone-upload:hover, .zone-upload.survol {
  border-color: var(--couleur-principale);
  background: var(--bleu-50);
}
.zone-upload input[type="file"] { display: none; }

/* ─── Badges et tags ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--rayon-full);
  font-size: 0.75rem;
  font-weight: 600;
  gap: 0.3rem;
}

.badge-bleu { background: var(--bleu-100); color: var(--bleu-700); }
.badge-vert { background: #dcfce7; color: var(--vert-600); }
.badge-jaune { background: #fef9c3; color: #a16207; }
.badge-rouge { background: #fee2e2; color: var(--rouge-600); }
.badge-violet { background: #f3e8ff; color: #7c3aed; }
.badge-gris { background: var(--gris-100); color: var(--gris-600); }
.badge-orange { background: #fff7ed; color: #c2410c; }
.badge-emeraude { background: #d1fae5; color: #065f46; }
.badge-slate { background: var(--gris-200); color: var(--gris-700); }

/* ─── Alertes ─────────────────────────────────────────────── */
.alerte {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: var(--rayon-md);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.alerte-info { background: var(--bleu-50); color: var(--bleu-800); border: 1px solid var(--bleu-200); }
.alerte-succes { background: #f0fdf4; color: var(--vert-600); border: 1px solid #bbf7d0; }
.alerte-avertissement { background: #fffbeb; color: #92400e; border: 1px solid #fed7aa; }
.alerte-erreur { background: #fef2f2; color: var(--rouge-600); border: 1px solid #fecaca; }

/* ─── Tableaux ───────────────────────────────────────────── */
.tableau-conteneur { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead th {
  background: var(--gris-50);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--gris-700);
  border-bottom: 2px solid var(--gris-200);
  white-space: nowrap;
}
tbody td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gris-100);
  color: var(--gris-700);
}
tbody tr:hover { background: var(--gris-50); }
tbody tr:last-child td { border-bottom: none; }

/* ─── Barre de progression ──────────────────────────────── */
.barre-progress {
  background: var(--gris-200);
  border-radius: var(--rayon-full);
  height: 8px;
  overflow: hidden;
}

.barre-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--azur-500), var(--bleu-500));
  border-radius: var(--rayon-full);
  transition: width 0.5s ease;
}

/* ─── Modals ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.actif { opacity: 1; pointer-events: all; }

.modal {
  background: white;
  border-radius: var(--rayon-xl);
  box-shadow: var(--ombre-xl);
  max-width: 560px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: var(--transition-lente);
}

.modal-overlay.actif .modal { transform: scale(1) translateY(0); }

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gris-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-titre { font-size: 1.1rem; font-weight: 700; color: var(--gris-800); }
.modal-fermer {
  background: none;
  border: none;
  color: var(--gris-400);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--rayon-sm);
  transition: var(--transition);
}
.modal-fermer:hover { background: var(--gris-100); color: var(--gris-700); }

.modal-body { padding: 1.5rem; }
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--gris-200);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ─── Chat IA ────────────────────────────────────────────── */
.chat-conteneur {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 200px);
  min-height: 400px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message {
  display: flex;
  gap: 0.75rem;
  max-width: 85%;
}

.chat-message.utilisateur { align-self: flex-end; flex-direction: row-reverse; }

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--rayon-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.chat-avatar.ia { background: linear-gradient(135deg, var(--violet-500), var(--bleu-500)); color: white; }
.chat-avatar.utilisateur { background: var(--bleu-600); color: white; }

.chat-bulle {
  padding: 0.75rem 1rem;
  border-radius: var(--rayon-lg);
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 100%;
}

.chat-message.ia .chat-bulle {
  background: white;
  border: 1px solid var(--gris-200);
  border-top-left-radius: 4px;
  box-shadow: var(--ombre-sm);
}

.chat-message.utilisateur .chat-bulle {
  background: var(--bleu-600);
  color: white;
  border-top-right-radius: 4px;
}

/* Markdown rendu dans les bulles IA */
.chat-bulle.markdown-body { overflow-wrap: break-word; }
.chat-bulle.markdown-body h1,
.chat-bulle.markdown-body h2,
.chat-bulle.markdown-body h3,
.chat-bulle.markdown-body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0.75rem 0 0.3rem;
  color: var(--gris-800);
}
.chat-bulle.markdown-body h1 { font-size: 1.05rem; border-bottom: 1px solid var(--gris-200); padding-bottom: 0.25rem; }
.chat-bulle.markdown-body h2 { font-size: 1rem; }
.chat-bulle.markdown-body p { margin: 0.4rem 0; }
.chat-bulle.markdown-body ul,
.chat-bulle.markdown-body ol {
  margin: 0.4rem 0 0.4rem 1.25rem;
  padding: 0;
}
.chat-bulle.markdown-body li { margin: 0.2rem 0; }
.chat-bulle.markdown-body code {
  background: var(--gris-100);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.8rem;
  font-family: 'Courier New', monospace;
}
.chat-bulle.markdown-body pre {
  background: var(--gris-900);
  color: #e2e8f0;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0.5rem 0;
}
.chat-bulle.markdown-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: 0.78rem;
}
.chat-bulle.markdown-body strong { font-weight: 700; }
.chat-bulle.markdown-body em { font-style: italic; }
.chat-bulle.markdown-body blockquote {
  border-left: 3px solid var(--bleu-300);
  margin: 0.5rem 0;
  padding: 0.25rem 0.75rem;
  color: var(--gris-600);
  background: var(--bleu-50);
  border-radius: 0 4px 4px 0;
}
.chat-bulle.markdown-body hr {
  border: none;
  border-top: 1px solid var(--gris-200);
  margin: 0.75rem 0;
}
.chat-bulle.markdown-body table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.8rem;
  margin: 0.5rem 0;
}
.chat-bulle.markdown-body th,
.chat-bulle.markdown-body td {
  border: 1px solid var(--gris-200);
  padding: 0.3rem 0.6rem;
}
.chat-bulle.markdown-body th { background: var(--gris-50); font-weight: 600; }

.chat-input-zone {
  padding: 1rem;
  border-top: 1px solid var(--gris-200);
  background: white;
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  padding: 0.6rem 0.875rem;
  border: 1.5px solid var(--gris-300);
  border-radius: var(--rayon-lg);
  font-size: 0.875rem;
  resize: none;
  font-family: inherit;
  min-height: 44px;
  max-height: 120px;
}

.chat-input:focus { outline: none; border-color: var(--couleur-principale); }

/* ─── Toasts / Notifications flottantes ─────────────────── */
.toast-conteneur {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: white;
  border-radius: var(--rayon-md);
  box-shadow: var(--ombre-lg);
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  min-width: 280px;
  animation: slideInRight 0.3s ease;
  border-left: 4px solid;
}

.toast-succes { border-color: var(--vert-500); color: var(--vert-600); }
.toast-erreur { border-color: var(--rouge-500); color: var(--rouge-600); }
.toast-info { border-color: var(--bleu-500); color: var(--bleu-700); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── Indicateur de chargement IA ──────────────────────── */
.ia-chargement {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--gris-400);
  font-size: 0.875rem;
}

.ia-chargement .point {
  width: 6px;
  height: 6px;
  background: var(--gris-400);
  border-radius: var(--rayon-full);
  animation: pulsation 1.4s ease-in-out infinite;
}

.ia-chargement .point:nth-child(2) { animation-delay: 0.2s; }
.ia-chargement .point:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulsation {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40% { transform: scale(1.2); opacity: 1; }
}

/* ─── Page de connexion ────────────────────────────────── */
.page-connexion {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bleu-900) 0%, var(--bleu-700) 50%, var(--azur-600) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.carte-connexion {
  background: white;
  border-radius: var(--rayon-xl);
  box-shadow: var(--ombre-xl);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
}

.connexion-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.connexion-logo .logo-cercle {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--azur-400), var(--bleu-600));
  border-radius: var(--rayon-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.connexion-logo h1 { font-size: 1.75rem; color: var(--gris-800); }
.connexion-logo p { font-size: 0.875rem; color: var(--gris-500); }

/* ─── Dashboard admin ────────────────────────────────────── */
.grille-admin { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }

.tuile-admin {
  background: white;
  border-radius: var(--rayon-lg);
  border: 1px solid var(--gris-200);
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--transition-lente);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tuile-admin:hover {
  border-color: var(--bleu-300);
  box-shadow: var(--ombre-lg);
  transform: translateY(-2px);
}

.tuile-admin-icone {
  width: 48px;
  height: 48px;
  border-radius: var(--rayon-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tuile-admin-titre { font-weight: 700; color: var(--gris-800); font-size: 1rem; }
.tuile-admin-desc { font-size: 0.8rem; color: var(--gris-500); }

/* ─── Statistiques ──────────────────────────────────────── */
.stat-nombre {
  font-size: 2rem;
  font-weight: 800;
  color: var(--couleur-principale);
  line-height: 1;
}
.stat-label { font-size: 0.8rem; color: var(--gris-500); margin-top: 0.25rem; }

/* ─── Tâches ─────────────────────────────────────────────── */
.tache-item {
  background: white;
  border-radius: var(--rayon-md);
  border: 1px solid var(--gris-200);
  padding: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  transition: var(--transition);
}
.tache-item:hover { border-color: var(--bleu-200); }
.tache-item.terminee { opacity: 0.7; }
.tache-item.terminee .tache-titre { text-decoration: line-through; }

.tache-checkbox {
  width: 20px;
  height: 20px;
  border-radius: var(--rayon-sm);
  border: 2px solid var(--gris-300);
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  margin-top: 2px;
}
.tache-checkbox.coche { background: var(--vert-500); border-color: var(--vert-500); }

.tache-titre { font-weight: 600; color: var(--gris-800); font-size: 0.9rem; }
.tache-desc { font-size: 0.8rem; color: var(--gris-500); margin-top: 0.25rem; }

/* ─── Galerie photos ────────────────────────────────────── */
.galerie-grille {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.galerie-photo {
  position: relative;
  border-radius: var(--rayon-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--gris-100);
}

.galerie-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-lente);
}

.galerie-photo:hover img { transform: scale(1.05); }

.galerie-photo-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  color: white;
}

.galerie-photo:hover .galerie-photo-overlay { opacity: 1; }

/* ─── Bibliographie ─────────────────────────────────────── */
.carte-biblio {
  background: white;
  border-radius: var(--rayon-md);
  border: 1px solid var(--gris-200);
  padding: 1.1rem;
  transition: var(--transition-lente);
}
.carte-biblio:hover { border-color: var(--bleu-200); box-shadow: var(--ombre-md); }

/* ─── Utilitaires ────────────────────────────────────────── */
.flex { display: flex; }
.flex-centre { display: flex; align-items: center; }
.flex-entre { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-xs { gap: 0.25rem; }
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 1.5rem; }
.mt-xs { margin-top: 0.25rem; }
.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mt-lg { margin-top: 1.5rem; }
.mb-sm { margin-bottom: 0.5rem; }
.mb-md { margin-bottom: 1rem; }
.mb-lg { margin-bottom: 1.5rem; }
.w-full { width: 100%; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-centre { text-align: center; }
.font-bold { font-weight: 700; }
.text-gris { color: var(--gris-500); }
.text-bleu { color: var(--couleur-principale); }
.text-vert { color: var(--vert-600); }
.text-rouge { color: var(--rouge-500); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.arrondi { border-radius: var(--rayon-full); }
.pointer { cursor: pointer; }
.invisible { display: none !important; }

/* ─── Page de titre ─────────────────────────────────────── */
.entete-page {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.entete-page h1 { font-size: 1.5rem; color: var(--gris-800); }
.entete-page p { color: var(--gris-500); font-size: 0.9rem; margin-top: 0.2rem; }

/* ─── Recherche ─────────────────────────────────────────── */
.barre-recherche {
  position: relative;
  max-width: 400px;
}
.barre-recherche input { padding-left: 2.5rem; }
.barre-recherche svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gris-400);
  pointer-events: none;
}

/* ─── Statuts colorés ───────────────────────────────────── */
.statut-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--rayon-full);
  display: inline-block;
  margin-right: 0.4rem;
}
.statut-dot.disponible { background: var(--vert-500); }
.statut-dot.reserve { background: var(--jaune-500); }
.statut-dot.en_utilisation { background: var(--orange-500); }
.statut-dot.hors_service, .statut-dot.defaillant { background: var(--rouge-500); }
.statut-dot.en_maintenance { background: var(--bleu-500); }

/* ─── Filtres catégories ────────────────────────────────── */
.filtres-categories {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.filtre-btn {
  padding: 0.4rem 0.875rem;
  border-radius: var(--rayon-full);
  border: 1.5px solid var(--gris-300);
  background: white;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gris-600);
  cursor: pointer;
  transition: var(--transition);
}

.filtre-btn:hover, .filtre-btn.actif {
  border-color: var(--couleur-principale);
  background: var(--bleu-50);
  color: var(--couleur-principale);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .layout-projet { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .sidebar.mobile-ouvert { display: block; position: fixed; z-index: 500; width: 260px; }
  .form-grille, .form-grille-3 { grid-template-columns: 1fr; }
  .grille-tuiles { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
  .galerie-grille { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .navbar-menu { display: none; }
  .conteneur-principal { padding: 1rem; }
}

@media (max-width: 480px) {
  .grille-tuiles { grid-template-columns: 1fr; }
  .carte-connexion { padding: 1.5rem; }
}

/* ─── Animations globales ───────────────────────────────── */
.animer { animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Spinner de chargement ─────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gris-300);
  border-top-color: var(--couleur-principale);
  border-radius: 50%;
  animation: rotation 0.7s linear infinite;
}

@keyframes rotation {
  to { transform: rotate(360deg); }
}

/* ─── Prévisualisation d'images ─────────────────────────── */
.preview-images {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.preview-img {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: var(--rayon-sm);
  overflow: hidden;
  border: 1px solid var(--gris-200);
}

.preview-img img { width: 100%; height: 100%; object-fit: cover; }

.preview-img .supprimer {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  background: var(--rouge-500);
  color: white;
  border-radius: var(--rayon-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.6rem;
  font-weight: 700;
}

/* ─── Dropdown notifications ─────────────────────────────── */
.notif-item {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gris-100);
  font-size: 0.8rem;
}
.notif-item:last-child { border-bottom: none; }
.notif-item.non-lue { background: var(--bleu-50); }
.notif-texte { color: var(--gris-700); }
.notif-date { color: var(--gris-400); font-size: 0.7rem; margin-top: 0.15rem; }