/* ==========================================================================
   Page Complète d'Administration & Backoffice — Congrès SEP-UNSA 2027
   Design Moderne, "Facilitation Maximale", WCAG 2.2 AA Conforme, Responsive
   ========================================================================== */

:root {
  --admin-bg: #07090e;
  --admin-sidebar-bg: #0d111a;
  --admin-sidebar-text: #e2e8f0;
  --admin-sidebar-hover: #141a26;
  --admin-sidebar-active: #2563eb;
  --admin-card-bg: #0d111a;
  --admin-border: rgba(255, 255, 255, 0.09);
  --admin-primary: #2563eb;
  --admin-primary-container: #1d4ed8;
  --admin-secondary: #e11d48;
  --admin-tertiary: #10b981;
  --admin-text-main: #f8fafc;
  --admin-text-muted: #94a3b8;
}

body.admin-body-bg {
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body, 'Geist', sans-serif);
}

/* Header de la Page Admin */
.admin-navbar {
  background: #07090e;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  position: sticky;
  top: 0;
  z-index: 50;
}

/* Timeline Visuelle Interactive du Congrès */
.admin-timeline-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.75rem 0.5rem;
}

.admin-timeline-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 130px;
  flex: 1;
  text-align: center;
}

.admin-timeline-step:hover {
  border-color: #1b9ed3;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.admin-timeline-step.active {
  background: linear-gradient(135deg, #0e1c30 0%, #152943 100%);
  color: #ffffff;
  border-color: #1b9ed3;
  box-shadow: 0 4px 14px rgba(27, 158, 211, 0.3);
}

.admin-timeline-step.active .step-dot {
  background-color: #1b9ed3;
  box-shadow: 0 0 0 4px rgba(27, 158, 211, 0.3);
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background-color: #cbd5e1;
  transition: all 0.2s ease;
}

/* Sidebar & Navigation */
.admin-sidebar {
  width: 280px;
  background-color: #0e1c30;
  color: #e2e8f0;
  flex-shrink: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #94a3b8;
  transition: all 0.15s ease-in-out;
  cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
}

.admin-nav-item:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.admin-nav-item.active {
  background: linear-gradient(135deg, #00668a 0%, #1b9ed3 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 102, 138, 0.35);
  font-weight: 700;
}

/* Contenu des Onglets */
.admin-tab-section {
  display: none;
  animation: adminFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.admin-tab-section.active {
  display: block;
}

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

/* Cartes & Widgets */
.admin-card {
  background-color: #ffffff;
  border: 1px solid var(--admin-border);
  border-radius: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03), 0 4px 12px rgba(0, 0, 0, 0.02);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.admin-card:hover {
  border-color: #cbd5e1;
}

.admin-kpi-card {
  background: #ffffff;
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  position: relative;
  overflow: hidden;
}

.admin-kpi-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.admin-kpi-card.kpi-primary::after { background-color: #00668a; }
.admin-kpi-card.kpi-secondary::after { background-color: #b5005c; }
.admin-kpi-card.kpi-tertiary::after { background-color: #006c49; }
.admin-kpi-card.kpi-amber::after { background-color: #d97706; }

/* Formulaires & Inputs */
.admin-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #475569;
  margin-bottom: 0.375rem;
}

.admin-input,
.admin-select,
.admin-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border-radius: 0.625rem;
  border: 1px solid #cbd5e1;
  background-color: #ffffff;
  color: #0f172a;
  font-size: 0.875rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.admin-input:focus,
.admin-select:focus,
.admin-textarea:focus {
  outline: none;
  border-color: #1b9ed3;
  box-shadow: 0 0 0 3px rgba(27, 158, 211, 0.2);
}

/* Boutons */
.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.admin-btn-primary {
  background-color: #00668a;
  color: #ffffff;
}

.admin-btn-primary:hover {
  background-color: #00506e;
  box-shadow: 0 4px 12px rgba(0, 102, 138, 0.3);
}

.admin-btn-accent {
  background: linear-gradient(135deg, #00668a 0%, #1b9ed3 100%);
  color: #ffffff;
}

.admin-btn-accent:hover {
  opacity: 0.95;
  box-shadow: 0 4px 14px rgba(27, 158, 211, 0.4);
}

.admin-btn-secondary {
  background-color: #ffffff;
  border-color: #cbd5e1;
  color: #334155;
}

.admin-btn-secondary:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
  color: #0f172a;
}

.admin-btn-danger {
  background-color: #fef2f2;
  border-color: #fecaca;
  color: #b91c1c;
}

.admin-btn-danger:hover {
  background-color: #fee2e2;
  border-color: #fca5a5;
}

/* Boutons 1-Touche Facilités */
.action-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.action-chip-success {
  background-color: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}
.action-chip-success:hover {
  background-color: #d1fae5;
  border-color: #6ee7b7;
}

.action-chip-primary {
  background-color: #eff6ff;
  color: #1e40af;
  border-color: #bfdbfe;
}
.action-chip-primary:hover {
  background-color: #dbeafe;
  border-color: #93c5fd;
}

.action-chip-amber {
  background-color: #fffbeb;
  color: #92400e;
  border-color: #fde68a;
}
.action-chip-amber:hover {
  background-color: #fef3c7;
  border-color: #fcd34d;
}

/* Badges & Pills */
.admin-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Toast Notifications */
.admin-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 100;
  background-color: #0f172a;
  color: #ffffff;
  padding: 0.875rem 1.25rem;
  border-radius: 0.875rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.875rem;
  font-weight: 600;
  transform: translateY(120px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(255,255,255,0.15);
}

.admin-toast.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Auto-Save Pulse */
.autosave-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #34d399;
  background-color: rgba(52, 211, 153, 0.1);
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  border: 1px solid rgba(52, 211, 153, 0.2);
}

/* Barre de Défilement Stylisée */
.admin-custom-scroll::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.admin-custom-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.admin-custom-scroll::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
.admin-custom-scroll::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}