/* ============================================================
   Page Apprenants (/eleves) — styles déplacés hors de Students.razor.
   Tous les sélecteurs sont préfixés (.students-list, .students-grid,
   .unassigned-banner, .view-toggle, .students-loader) : aucune fuite
   globale, ce fichier peut être chargé via App.razor sans risque.
   ============================================================ */

/* ----- Bandeau alerte "apprenants sans classe" ----- */
.unassigned-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  margin: 12px 0;
}
.unassigned-banner.banner-warn   { background: #FEF3C7; border-left: 4px solid #EF6C00; }
.unassigned-banner.banner-danger { background: #FEE2E2; border-left: 4px solid #C62828; }
.unassigned-banner .banner-icon  { font-size: 24px; }
.unassigned-banner .banner-text  { flex: 1; }
.unassigned-banner .banner-title { font-weight: 700; color: #1F2937; }
.unassigned-banner .banner-sub   { font-size: 12px; color: #6B7280; }

/* ----- Barre de filtres : 2 zones (données à gauche, affichage à droite) ----- */
.students-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 20px;
  margin: 16px 0;
  padding: 14px 16px;
  background: #F8FAFC;
  border: 1px solid var(--border, #E5E7EB);
  border-radius: 10px;
}
.students-filters .filters-main,
.students-filters .filters-aux {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
}
.students-filters .filters-main { flex: 1 1 320px; }
.students-filters .filter-group { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.students-filters .filter-group > label {
  font-size: 11px;
  font-weight: 600;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.students-filters .filter-group .form-control { width: 100%; }
.students-filters .flex-grow { flex: 1 1 220px; min-width: 180px; }

/* ----- Toggle de mode d'affichage (Auto / Tableau / Cartes) ----- */
.view-toggle {
  display: inline-flex;
  border: 1px solid #D1D5DB;
  border-radius: 8px;
  overflow: hidden;
}
.view-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: #FFFFFF;
  border: 0;
  border-right: 1px solid #E5E7EB;
  color: #374151;
  font-size: 13px;
  cursor: pointer;
}
.view-toggle-btn:last-child { border-right: 0; }
.view-toggle-btn:hover { background: #F3F4F6; }
.view-toggle-btn.active { background: #1E5F8A; color: #FFFFFF; }

/* Empilement mobile : chaque zone passe en colonne, le toggle prend la largeur. */
@media (max-width: 768px) {
  .students-filters { flex-direction: column; align-items: stretch; }
  .students-filters .filters-main,
  .students-filters .filters-aux { flex-direction: column; align-items: stretch; }
  .students-filters .flex-grow { flex: 1 1 auto; min-width: 0; }
  .view-toggle { width: 100%; }
  .view-toggle-btn { flex: 1; justify-content: center; }
}

/* ----- Double-vue : table ET grille co-existent dans le DOM ; le CSS
   montre/cache selon la classe view-auto | view-table | view-cards
   posée sur le conteneur .students-list. ----- */
.students-list .view-table { display: table; }
.students-list .view-grid  { display: none; }

/* Mode "Cartes" forcé */
.students-list.view-cards .view-table { display: none; }
.students-list.view-cards .view-grid  { display: grid; }

/* Mode "Tableau" forcé */
.students-list.view-table .view-table { display: table; }
.students-list.view-table .view-grid  { display: none; }

/* Mode "Auto" : table en desktop, cartes en dessous de 1024 px */
.students-list.view-auto .view-table { display: table; }
.students-list.view-auto .view-grid  { display: none; }
@media (max-width: 1024px) {
  .students-list.view-auto .view-table { display: none; }
  .students-list.view-auto .view-grid  { display: grid; }
}

/* Grille de cartes apprenants */
.students-grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 4px;
}

/* ----- Carte apprenant (composant StudentCard) ----- */
.student-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: #FFFFFF;
  border: 1px solid var(--border, #E5E7EB);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.student-card:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.09);
  transform: translateY(-2px);
}

.student-card-head { display: flex; align-items: center; gap: 12px; }
.student-card-name { display: flex; flex-direction: column; min-width: 0; }
.student-card-name strong {
  font-size: 15px; color: #1F2937;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.student-card-name .muted { font-size: 12px; color: #6B7280; }

.student-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 12px;
  padding-top: 12px;
  border-top: 1px solid #F1F5F9;
}
.student-card-cell { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.student-card-cell .label {
  font-size: 11px; color: #9CA3AF;
  text-transform: uppercase; letter-spacing: 0.4px;
}
.student-card-cell .value {
  font-size: 14px; color: #1F2937;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.student-card-cell .badge { align-self: flex-start; }

.student-card-actions {
  display: flex; gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid #F1F5F9;
}
.student-card-actions .btn-secondary { flex: 1; text-align: center; }

/* ----- Loader liste apprenants : spinner + skeleton 8 lignes ----- */
.students-loader { padding: 24px 16px; }
.students-loader .loader-spinner {
  width: 36px; height: 36px; margin: 0 auto 12px;
  border: 3px solid #E5E7EB; border-top-color: #1E5F8A;
  border-radius: 50%;
  animation: sp-rotate 0.85s linear infinite;
}
.students-loader .loader-text {
  text-align: center; color: #6B7280; font-size: 13px; margin-bottom: 18px;
}
.students-loader .loader-skeleton { display: flex; flex-direction: column; gap: 10px; }
.students-loader .sk-row { display: flex; align-items: center; gap: 12px; padding: 8px 4px; }
.students-loader .sk-avatar {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(90deg, #F3F4F6 0%, #E5E7EB 50%, #F3F4F6 100%);
  background-size: 200% 100%;
  animation: sp-shimmer 1.4s ease-in-out infinite;
}
.students-loader .sk-lines { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.students-loader .sk-line {
  height: 10px; border-radius: 4px;
  background: linear-gradient(90deg, #F3F4F6 0%, #E5E7EB 50%, #F3F4F6 100%);
  background-size: 200% 100%;
  animation: sp-shimmer 1.4s ease-in-out infinite;
}
.students-loader .sk-line-w70 { width: 70%; }
.students-loader .sk-line-w40 { width: 40%; }

@keyframes sp-rotate { to { transform: rotate(360deg); } }
@keyframes sp-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }