/* ============================================================================
   ESTILOS PARA GESTIÓN DE INVITADOS - PANEL DE ADMINISTRADOR
   ============================================================================ */

/* Variables para el panel de administración */
:root {
    --admin-primary: #2c3e50;
    --admin-secondary: #3498db;
    --admin-success: #27ae60;
    --admin-warning: #f39c12;
    --admin-danger: #e74c3c;
    --admin-info: #3498db;
    --admin-light: #ecf0f1;
    --admin-dark: #2c3e50;
    --admin-border: #bdc3c7;
    --admin-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --admin-radius: 8px;
}

/* Sección principal de administración */
.admin-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 20px;
    font-family: 'Montserrat', sans-serif;
}

.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    overflow: hidden;
}

/* Header del panel de administración */
.admin-header {
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-dark) 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.admin-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.admin-title h2 {
    margin: 0;
    font-size: 2.5em;
    font-weight: 600;
}

.admin-icon {
    font-size: 2.5em;
}

.admin-badge {
    background: var(--admin-danger);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 600;
    letter-spacing: 1px;
}

.admin-subtitle {
    margin: 0;
    opacity: 0.9;
    font-size: 1.1em;
}

/* Dashboard de estadísticas */
.stats-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 30px;
    background: #f8f9fa;
    border-bottom: 1px solid var(--admin-border);
}

.stat-card {
    background: white;
    border-radius: var(--admin-radius);
    padding: 25px;
    text-align: center;
    box-shadow: var(--admin-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--admin-info);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.stat-card.total { border-left-color: var(--admin-info); }
.stat-card.confirmados { border-left-color: var(--admin-success); }
.stat-card.no-asisten { border-left-color: var(--admin-danger); }
.stat-card.acompanantes { border-left-color: var(--admin-warning); }
.stat-card.total-asistentes { border-left-color: var(--admin-primary); }

.stat-icon {
    font-size: 2.5em;
    margin-bottom: 10px;
    opacity: 0.8;
}

.stat-content h3 {
    font-size: 2.5em;
    margin: 0;
    font-weight: 700;
    color: var(--admin-primary);
}

.stat-content p {
    margin: 5px 0 0;
    color: #666;
    font-weight: 500;
}

/* Controles de administración */
.admin-controls {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    padding: 30px;
    background: white;
    border-bottom: 1px solid var(--admin-border);
    flex-wrap: wrap;
}

.search-filters {
    display: flex;
    gap: 20px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-group label {
    font-weight: 600;
    color: var(--admin-primary);
    font-size: 0.9em;
}

.admin-select,
.admin-input {
    padding: 10px 15px;
    border: 2px solid var(--admin-border);
    border-radius: var(--admin-radius);
    font-size: 1em;
    transition: border-color 0.3s ease;
    min-width: 150px;
}

.admin-select:focus,
.admin-input:focus {
    outline: none;
    border-color: var(--admin-secondary);
}

.admin-btn {
    padding: 12px 20px;
    border: none;
    border-radius: var(--admin-radius);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.admin-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.admin-btn.primary {
    background: var(--admin-secondary);
    color: white;
}

.admin-btn.secondary {
    background: var(--admin-light);
    color: var(--admin-primary);
    border: 1px solid var(--admin-border);
}

.admin-btn.danger {
    background: var(--admin-danger);
    color: white;
}

.admin-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.export-actions {
    display: flex;
    gap: 10px;
}

/* Tabla de invitados */
.admin-table-container {
    padding: 30px;
    overflow-x: auto;
    min-height: 400px;
    position: relative;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--admin-radius);
    overflow: hidden;
    box-shadow: var(--admin-shadow);
}

.admin-table thead {
    background: var(--admin-primary);
    color: white;
}

.admin-table th,
.admin-table td {
    padding: 15px 10px;
    text-align: left;
    border-bottom: 1px solid var(--admin-border);
}

.admin-table th {
    font-weight: 600;
    font-size: 0.9em;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.admin-table tbody tr {
    transition: background-color 0.3s ease;
}

.admin-table tbody tr:hover {
    background: #f8f9fa;
}

.nombre-cell {
    font-weight: 600;
}

.status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
    text-align: center;
    display: inline-block;
}

.status-badge.success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--admin-success);
}

.status-badge.danger {
    background: rgba(231, 76, 60, 0.1);
    color: var(--admin-danger);
}

.status-badge.info {
    background: rgba(52, 152, 219, 0.1);
    color: var(--admin-info);
}

.status-badge.muted {
    background: rgba(149, 165, 166, 0.1);
    color: #95a5a6;
}

.actions-cell {
    text-align: center;
}

.action-btn {
    padding: 8px 10px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    margin: 0 2px;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.action-btn.view {
    background: rgba(52, 152, 219, 0.1);
    color: var(--admin-info);
}

.action-btn.delete {
    background: rgba(231, 76, 60, 0.1);
    color: var(--admin-danger);
}

.action-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* Indicador de carga */
.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px;
    color: #666;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--admin-light);
    border-top: 4px solid var(--admin-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Estado vacío */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    color: #666;
    text-align: center;
}

.empty-icon {
    font-size: 4em;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    margin: 0 0 10px;
    color: var(--admin-primary);
}

/* Paginación */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: #f8f9fa;
    border-top: 1px solid var(--admin-border);
    flex-wrap: wrap;
    gap: 15px;
}

.pagination-info {
    color: #666;
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pagination-btn {
    padding: 8px 16px;
    border: 1px solid var(--admin-border);
    background: white;
    border-radius: var(--admin-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--admin-secondary);
    color: white;
    border-color: var(--admin-secondary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: 5px;
    align-items: center;
}

.page-btn {
    width: 35px;
    height: 35px;
    border: 1px solid var(--admin-border);
    background: white;
    border-radius: var(--admin-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover {
    background: var(--admin-secondary);
    color: white;
    border-color: var(--admin-secondary);
}

.page-btn.active {
    background: var(--admin-primary);
    color: white;
    border-color: var(--admin-primary);
}

.page-ellipsis {
    padding: 0 5px;
    color: #666;
}

/* Modales */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: var(--admin-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    background: var(--admin-primary);
    color: white;
    border-radius: var(--admin-radius) var(--admin-radius) 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5em;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.modal-close:hover {
    background: rgba(255,255,255,0.2);
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    padding: 20px 30px;
    background: #f8f9fa;
    border-top: 1px solid var(--admin-border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    border-radius: 0 0 var(--admin-radius) var(--admin-radius);
}

/* Grid de detalles */
.detalle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.detalle-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.detalle-item.full-width {
    grid-column: 1 / -1;
}

.detalle-item label {
    font-weight: 600;
    color: var(--admin-primary);
    font-size: 0.9em;
}

.detalle-item span {
    padding: 10px;
    background: #f8f9fa;
    border-radius: var(--admin-radius);
    border: 1px solid var(--admin-border);
}

/* Acceso denegado */
.access-denied {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 40px;
}

.error-icon {
    font-size: 4em;
    margin-bottom: 20px;
}

.access-denied h2 {
    color: var(--admin-danger);
    margin: 0 0 15px;
}

.access-denied p {
    color: #666;
    margin-bottom: 30px;
    font-size: 1.1em;
}

/* Notificaciones */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: var(--admin-radius);
    color: white;
    font-weight: 600;
    z-index: 10001;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 250px;
    animation: slideInRight 0.3s ease;
}

.notification.success { background: var(--admin-success); }
.notification.error { background: var(--admin-danger); }
.notification.info { background: var(--admin-info); }
.notification.warning { background: var(--admin-warning); }

.notification button {
    background: none;
    border: none;
    color: white;
    font-size: 1.2em;
    cursor: pointer;
    padding: 0;
    margin-left: auto;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Texto de advertencia */
.warning-text {
    color: var(--admin-warning);
    font-weight: 600;
    font-style: italic;
    margin-top: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .admin-section {
        padding: 10px;
    }
    
    .admin-header {
        padding: 20px;
    }
    
    .admin-title {
        flex-direction: column;
        text-align: center;
    }
    
    .admin-title h2 {
        font-size: 2em;
    }
    
    .stats-dashboard {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        padding: 20px;
        gap: 15px;
    }
    
    .admin-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .search-filters {
        flex-direction: column;
        gap: 15px;
    }
    
    .export-actions {
        flex-direction: column;
    }
    
    .admin-table-container {
        padding: 15px;
    }
    
    .admin-table {
        font-size: 0.9em;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 10px 5px;
    }
    
    .pagination-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .modal-content {
        margin: 10px;
        max-width: none;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 20px;
    }
    
    .detalle-grid {
        grid-template-columns: 1fr;
    }
}

/* Estilos adicionales para mejor UX */
.admin-table tbody tr:nth-child(even) {
    background: rgba(0,0,0,0.02);
}

.admin-btn:active {
    transform: translateY(0);
}

.stat-card:active {
    transform: translateY(0);
}

/* Scrollbars personalizados */
.admin-table-container::-webkit-scrollbar {
    height: 8px;
}

.admin-table-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.admin-table-container::-webkit-scrollbar-thumb {
    background: var(--admin-border);
    border-radius: 4px;
}

.admin-table-container::-webkit-scrollbar-thumb:hover {
    background: #999;
}