/* frontend/css/style.css - Thème Officiel Prestige CGEUP */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700;800&family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,400&family=Great+Vibes&display=swap');

:root {
  --cgeup-dark: #0A192F;
  --cgeup-navy: #0F2C59;
  --cgeup-deep: #05101E;
  --cgeup-gold: #D4AF37;
  --cgeup-gold-light: #F7E7A9;
  --cgeup-gold-dark: #A67C1E;
  --cgeup-white: #FFFFFF;
  --cgeup-cream: #F8FAFC;
  --cgeup-card-bg: #FFFFFF;
  --cgeup-border: #E2E8F0;
  --cgeup-text-main: #1E293B;
  --cgeup-text-muted: #64748B;
  --cgeup-success: #10B981;
  --cgeup-danger: #EF4444;
  --cgeup-warning: #F59E0B;
  --cgeup-info: #3B82F6;
  --sidebar-width: 270px;
  --transition-fast: 0.2s ease;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
  --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.25);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #F1F5F9;
  color: var(--cgeup-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Layout général */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar prestige */
.app-sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--cgeup-deep) 0%, var(--cgeup-dark) 60%, var(--cgeup-navy) 100%);
  color: #F8FAFC;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  border-right: 1px solid rgba(212, 175, 55, 0.25);
  box-shadow: 4px 0 25px rgba(0, 0, 0, 0.35);
}

.sidebar-brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

.sidebar-brand img {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.sidebar-brand-text h2 {
  font-family: 'Cinzel', serif;
  font-size: 1.15rem;
  letter-spacing: 1.5px;
  color: var(--cgeup-gold);
  line-height: 1.2;
}

.sidebar-brand-text p {
  font-size: 0.72rem;
  color: #94A3B8;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sidebar-menu {
  list-style: none;
  padding: 18px 12px;
  flex: 1;
  overflow-y: auto;
}

.menu-category {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #64748B;
  padding: 12px 14px 6px;
  font-weight: 700;
}

.sidebar-menu li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  color: #CBD5E1;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  margin-bottom: 3px;
  position: relative;
}

.sidebar-menu li a .icon {
  font-size: 1.15rem;
  width: 22px;
  display: inline-block;
  text-align: center;
  opacity: 0.85;
}

.sidebar-menu li a:hover {
  color: #FFFFFF;
  background: rgba(212, 175, 55, 0.12);
}

.sidebar-menu li.active a {
  color: #0A192F;
  background: linear-gradient(90deg, #F7E7A9, var(--cgeup-gold));
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.35);
}

.sidebar-menu li.active a .icon {
  color: #0A192F;
  opacity: 1;
}

.sidebar-user {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cgeup-gold), var(--cgeup-gold-dark));
  color: var(--cgeup-dark);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.user-info .user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: #FFF;
}

.user-info .user-role {
  font-size: 0.7rem;
  color: var(--cgeup-gold);
}

.btn-logout {
  background: transparent;
  border: none;
  color: #94A3B8;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 6px;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  color: var(--cgeup-danger);
  background: rgba(239, 68, 68, 0.1);
}

/* Zone Principale */
.app-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Topbar */
.app-topbar {
  background: #FFFFFF;
  height: 70px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--cgeup-border);
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.topbar-title h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cgeup-dark);
  font-family: 'Cinzel', serif;
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-title p {
  font-size: 0.8rem;
  color: var(--cgeup-text-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Contenu */
.app-content {
  padding: 28px 32px;
  flex: 1;
}

/* Cartes */
.card {
  background: var(--cgeup-card-bg);
  border-radius: 12px;
  border: 1px solid var(--cgeup-border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--cgeup-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FCFDFE;
}

.card-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cgeup-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 24px;
}

/* Boutons prestige */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cgeup-navy) 0%, var(--cgeup-dark) 100%);
  color: #FFFFFF;
  border-color: #0F2C59;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1E3A8A 0%, var(--cgeup-navy) 100%);
  box-shadow: 0 4px 12px rgba(15, 44, 89, 0.3);
}

.btn-gold {
  background: linear-gradient(135deg, #F7E7A9 0%, var(--cgeup-gold) 50%, var(--cgeup-gold-dark) 100%);
  color: var(--cgeup-dark);
  font-weight: 600;
  border-color: var(--cgeup-gold-dark);
  box-shadow: 0 2px 6px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
  filter: brightness(1.05);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--cgeup-text-main);
  border-color: var(--cgeup-border);
}

.btn-secondary:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
}

.btn-danger {
  background: #FEE2E2;
  color: #DC2626;
  border-color: #FECACA;
}

.btn-danger:hover {
  background: #DC2626;
  color: #FFF;
}

.btn-success {
  background: #D1FAE5;
  color: #065F46;
  border-color: #A7F3D0;
}

.btn-success:hover {
  background: #059669;
  color: #FFF;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 1rem;
}

/* Grilles & KPI */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: #FFFFFF;
  border-radius: 12px;
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--cgeup-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--cgeup-gold);
}

.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: #F8FAFC;
  color: var(--cgeup-navy);
}

.kpi-card:nth-child(1) .kpi-icon { background: #EFF6FF; color: #2563EB; }
.kpi-card:nth-child(2) .kpi-icon { background: #FEF3C7; color: #D97706; }
.kpi-card:nth-child(3) .kpi-icon { background: #ECFDF5; color: #059669; }
.kpi-card:nth-child(4) .kpi-icon { background: #F3E8FF; color: #7C3AED; }

.kpi-info h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--cgeup-text-muted);
  margin-bottom: 4px;
}

.kpi-info .kpi-value {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--cgeup-dark);
  line-height: 1.1;
}

.kpi-info .kpi-sub {
  font-size: 0.72rem;
  color: var(--cgeup-text-muted);
  margin-top: 4px;
}

/* Tableaux */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.table th {
  background: #F8FAFC;
  padding: 12px 18px;
  font-weight: 600;
  color: #475569;
  border-bottom: 1px solid var(--cgeup-border);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.6px;
}

.table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--cgeup-border);
  vertical-align: middle;
}

.table tbody tr:hover {
  background: #F8FAFC;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-gold { background: #FEF3C7; color: #92400E; border: 1px solid #FDE68A; }
.badge-success { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.badge-warning { background: #FEF3C7; color: #B45309; border: 1px solid #FCD34D; }
.badge-danger { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }
.badge-info { background: #E0E7FF; color: #3730A3; border: 1px solid #C7D2FE; }

/* Formulaires */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}

.form-control, .form-select {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.88rem;
  border-radius: 8px;
  border: 1px solid var(--cgeup-border);
  background: #FFFFFF;
  color: var(--cgeup-text-main);
  outline: none;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-control:focus, .form-select:focus {
  border-color: var(--cgeup-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

/* Bannière d'événement en haut du dashboard */
.event-hero-banner {
  background: linear-gradient(135deg, var(--cgeup-deep) 0%, var(--cgeup-dark) 50%, var(--cgeup-navy) 100%);
  border-radius: 14px;
  padding: 28px 32px;
  color: #FFFFFF;
  margin-bottom: 28px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  box-shadow: 0 10px 30px rgba(10, 25, 47, 0.4);
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.event-hero-banner::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.event-hero-content {
  max-width: 65%;
  position: relative;
  z-index: 2;
}

.event-hero-tag {
  display: inline-block;
  background: rgba(212, 175, 55, 0.2);
  color: var(--cgeup-gold-light);
  border: 1px solid rgba(212, 175, 55, 0.5);
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.event-hero-title {
  font-family: 'Cinzel', serif;
  font-size: 1.45rem;
  color: #FFFFFF;
  margin-bottom: 8px;
  line-height: 1.3;
}

.event-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: #CBD5E1;
  margin-top: 12px;
}

.event-hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.event-hero-actions {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 12px;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: #FFFFFF;
  border-radius: 8px;
  padding: 14px 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  border-left: 4px solid var(--cgeup-navy);
  color: var(--cgeup-text-main);
  min-width: 280px;
  max-width: 400px;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slideIn 0.3s forwards ease;
}

.toast.toast-success { border-left-color: var(--cgeup-success); }
.toast.toast-error { border-left-color: var(--cgeup-danger); }
.toast.toast-warning { border-left-color: var(--cgeup-warning); }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 25, 47, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: #FFFFFF;
  border-radius: 14px;
  width: 100%;
  max-width: 600px;
  border: 1px solid var(--cgeup-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  animation: modalPop 0.25s ease;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 18px 24px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--cgeup-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.1rem;
  color: var(--cgeup-dark);
  font-family: 'Cinzel', serif;
}

.modal-body {
  padding: 24px;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  background: #F8FAFC;
  border-top: 1px solid var(--cgeup-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Responsive */
@media (max-width: 992px) {
  .app-sidebar {
    width: 70px;
  }
  .sidebar-brand-text, .menu-category, .sidebar-menu li a span, .user-info {
    display: none;
  }
  .sidebar-brand {
    padding: 16px;
    justify-content: center;
  }
  .sidebar-menu li a {
    justify-content: center;
    padding: 12px;
  }
  .app-main {
    margin-left: 70px;
  }
  .event-hero-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .event-hero-content {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .app-topbar {
    padding: 0 16px;
  }
  .app-content {
    padding: 16px;
  }
}