/* ================================
   ADMIN STYLES
   Page d'administration élégante
   Palette bleue (#2545a2) - cohérente avec l'invitation
   ================================ */

/* Page admin spécifique */
.admin-page {
  background: linear-gradient(135deg, #eff2f9 0%, #f8f9fc 100%);
}

/* ================================
   HEADER ADMIN
   ================================ */
.admin-header {
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary-dark));
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin-bottom: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.admin-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.admin-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.admin-title-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.admin-icon {
  font-size: 3.5rem;
  animation: float 3s ease-in-out infinite;
}

.admin-main-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  margin: 0;
  color: var(--color-white);
  letter-spacing: 1px;
}

.admin-subtitle {
  font-size: 1rem;
  opacity: 0.9;
  margin-top: 4px;
}

.admin-nav .btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  text-decoration: none;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  font-weight: 500;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.admin-nav .btn-back:hover {
  background: var(--color-white);
  color: var(--color-accent);
  border-color: var(--color-white);
  transform: translateX(-4px);
}

/* ================================
   CONTAINER ADMIN
   ================================ */
.admin-container {
  animation: fadeInUp 0.8s ease-out;
}

/* ================================
   CARD AUTHENTIFICATION
   ================================ */
.auth-card {
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  background: var(--color-white);
}

.auth-card-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.auth-form {
  max-width: 600px;
  margin: 0 auto;
}

/* ================================
   CARD DONNÉES
   ================================ */
.data-card {
  background: var(--color-white);
}

.data-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.data-title-section {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  flex: 1;
}

.data-title-section .section-icon {
  font-size: 2.5rem;
  margin-top: 4px;
}

.data-title-section .section-title {
  margin-bottom: 8px;
  text-align: left;
}

.stats-summary {
  font-size: 1rem;
  color: var(--color-text-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary-light);
  border-radius: var(--border-radius-sm);
  display: inline-block;
  font-weight: 500;
  margin-top: var(--spacing-xs);
}

.data-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ================================
   FILTRES
   ================================ */
.filters-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: var(--color-bg);
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--color-border);
}

.filter-group {
  display: flex;
  flex-direction: column;
}

.filter-group label {
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-select,
.filter-search {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: all 0.3s ease;
}

.filter-select:focus,
.filter-search:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 69, 162, 0.1);
}

/* ================================
   TABLEAU
   ================================ */
.table-container {
  margin-top: var(--spacing-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background: var(--color-white);
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.rsvp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.rsvp-table thead {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-bg));
  position: sticky;
  top: 0;
  z-index: 10;
}

.rsvp-table th {
  padding: 16px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 3px solid var(--color-primary);
  white-space: nowrap;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.rsvp-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.rsvp-table tbody tr:hover {
  background: var(--color-primary-light);
  transform: scale(1.01);
  box-shadow: 0 2px 8px rgba(37, 69, 162, 0.15);
}

.rsvp-table td {
  padding: 14px 12px;
  color: var(--color-text);
  vertical-align: top;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Colonnes spécifiques */
.rsvp-table td:nth-child(1) {
  /* Date */
  font-size: 0.85rem;
  color: var(--color-text-light);
  white-space: nowrap;
}

.rsvp-table td:nth-child(2) {
  /* Nom */
  font-weight: 600;
  color: var(--color-text);
}

.rsvp-table td:nth-child(4) {
  /* Réponse */
  font-weight: 600;
}

.rsvp-table td:nth-child(5),
.rsvp-table td:nth-child(6) {
  /* Nombre adultes/enfants */
  text-align: center;
  font-weight: 600;
  color: var(--color-primary-dark);
}

/* État vide */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl) !important;
  color: var(--color-text-light);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

/* Badges de statut dans le tableau */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-yes {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #4caf50;
}

.status-no {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ef5350;
}

.status-maybe {
  background: #fff3e0;
  color: #ef6c00;
  border: 1px solid #ff9800;
}

/* ================================
   BOUTONS SUPPLÉMENTAIRES
   ================================ */
.btn-success {
  background: linear-gradient(135deg, #66bb6a, #43a047);
  color: var(--color-white);
}

.btn-success:hover {
  background: linear-gradient(135deg, #43a047, #2e7d32);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-danger {
  background: linear-gradient(135deg, #ef5350, #e53935);
  color: var(--color-white);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #e53935, #c62828);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ================================
   MESSAGES ADMIN
   ================================ */
.form-message {
  animation: slideIn 0.3s ease-out;
}

/* ================================
   RESPONSIVE ADMIN
   ================================ */
@media (max-width: 1024px) {
  .table-scroll {
    border-radius: var(--border-radius-sm);
  }
  
  .rsvp-table {
    font-size: 0.85rem;
  }
  
  .rsvp-table th,
  .rsvp-table td {
    padding: 10px 8px;
  }
}

@media (max-width: 768px) {
  .admin-header {
    padding: var(--spacing-md) 0;
  }
  
  .admin-header-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .admin-title-section {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .admin-icon {
    font-size: 2.5rem;
  }
  
  .admin-nav {
    width: 100%;
  }
  
  .admin-nav .btn-back {
    width: 100%;
    justify-content: center;
  }
  
  .data-header {
    flex-direction: column;
  }
  
  .data-title-section {
    width: 100%;
  }
  
  .data-actions {
    width: 100%;
    justify-content: stretch;
  }
  
  .data-actions .btn {
    flex: 1;
  }
  
  .filters-section {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }
  
  /* Tableau responsive : scroll horizontal */
  .table-container {
    margin-left: calc(-1 * var(--spacing-md));
    margin-right: calc(-1 * var(--spacing-md));
    border-left: none;
    border-right: none;
    border-radius: 0;
  }
  
  .rsvp-table {
    min-width: 1000px;
  }
}

@media (max-width: 480px) {
  .admin-main-title {
    font-size: 1.8rem;
  }
  
  .stats-summary {
    font-size: 0.85rem;
    padding: 6px 10px;
  }
  
  .data-actions {
    flex-direction: column;
  }
  
  .data-actions .btn {
    width: 100%;
  }
}

/* ================================
   ANIMATIONS SPÉCIFIQUES ADMIN
   ================================ */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.data-card {
  animation: slideDown 0.5s ease-out;
}

/* ================================
   SCROLL BAR PERSONNALISÉE
   ================================ */
.table-scroll::-webkit-scrollbar {
  height: 8px;
}

.table-scroll::-webkit-scrollbar-track {
  background: var(--color-bg);
  border-radius: 4px;
}

.table-scroll::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

.table-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* ================================
   PRINT STYLES ADMIN
   ================================ */
@media print {
  .admin-header,
  .admin-nav,
  .filters-section,
  .data-actions,
  .auth-card {
    display: none !important;
  }
  
  .rsvp-table {
    font-size: 9pt;
  }
  
  .rsvp-table th,
  .rsvp-table td {
    padding: 6px 4px;
  }
  
  body {
    background: white;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}