/* ============================================================================
   Styles complémentaires à Tailwind (CDN) - Plateforme Gestion Financière Scolaire
   ============================================================================ */

:root {
  --brand-blue: #1e40af;
  --brand-blue-dark: #1e3a8a;
  --brand-gold: #b45309;
}

body {
  font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
  background: #f1f5f9;
}

/* Scrollbar discret */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

/* Sidebar navigation */
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  color: #cbd5e1;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s ease;
  cursor: pointer;
}
.nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-link.active { background: #2563eb; color: #fff; }

/* Cards */
.stat-card {
  background: #fff;
  border-radius: 0.85rem;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  border: 1px solid #e2e8f0;
}

.section-card {
  background: #fff;
  border-radius: 0.85rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  border: 1px solid #e2e8f0;
}

/* Table */
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
table.data-table thead th {
  background: #f8fafc;
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-weight: 600;
  color: #475569;
  border-bottom: 2px solid #e2e8f0;
  white-space: nowrap;
}
table.data-table tbody td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid #f1f5f9;
  color: #334155;
}
table.data-table tbody tr:hover { background: #f8fafc; }
table.data-table tfoot td {
  padding: 0.6rem 0.75rem;
  font-weight: 700;
  border-top: 2px solid #e2e8f0;
  background: #f8fafc;
}

/* Badges */
.badge { display:inline-flex; align-items:center; padding:0.15rem 0.6rem; border-radius:999px; font-size:0.72rem; font-weight:600; }
.badge-green { background:#dcfce7; color:#166534; }
.badge-red { background:#fee2e2; color:#991b1b; }
.badge-blue { background:#dbeafe; color:#1e40af; }
.badge-gray { background:#f1f5f9; color:#475569; }
.badge-amber { background:#fef3c7; color:#92400e; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15,23,42,0.55);
  display:flex; align-items:center; justify-content:center; z-index: 100; padding:1rem;
}
.modal-box { background:#fff; border-radius:0.85rem; max-width: 560px; width:100%; max-height:90vh; overflow-y:auto; }

/* Toast */
#toast-container { position: fixed; top: 1rem; right: 1rem; z-index: 200; display:flex; flex-direction:column; gap:0.5rem; }
.toast {
  padding: 0.75rem 1.1rem; border-radius: 0.6rem; color:#fff; font-size:0.875rem; font-weight:500;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15); min-width: 260px; animation: slideIn 0.2s ease;
}
.toast-success { background:#16a34a; }
.toast-error { background:#dc2626; }
.toast-info { background:#2563eb; }
@keyframes slideIn { from { transform: translateX(30px); opacity:0; } to { transform: translateX(0); opacity:1; } }

/* Login */
.login-bg {
  background: linear-gradient(135deg, var(--brand-blue-dark), var(--brand-blue) 60%, #2563eb);
  min-height: 100vh;
}

/* Print receipt styles */
@media print {
  body { background: #fff !important; }
  .no-print { display: none !important; }
  .receipt-print-area { box-shadow: none !important; border: none !important; }
}

.tab-btn {
  padding: 0.55rem 1rem; border-radius: 0.5rem; font-size: 0.85rem; font-weight: 600; color:#64748b; cursor:pointer;
}
.tab-btn.active { background:#2563eb; color:#fff; }
.tab-btn:hover:not(.active) { background:#e2e8f0; }

.loader {
  border: 3px solid #e2e8f0; border-top: 3px solid #2563eb; border-radius: 50%;
  width: 28px; height: 28px; animation: spin 0.7s linear infinite; margin: 2rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Bannière d'impersonation (admin ayant "ouvert" une classe) */
#impersonation-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 150;
  background: #b45309; color: #fff; font-size: 0.85rem; font-weight: 600;
  padding: 0.55rem 1rem; display: flex; align-items: center; justify-content: center; gap: 0.75rem;
}
#impersonation-banner button {
  background: #fff; color: #b45309; border-radius: 0.4rem; padding: 0.25rem 0.75rem;
  font-size: 0.8rem; font-weight: 700; cursor: pointer;
}