/* تصميم مختلف تماماً عن الموقع الرئيسي */
        .admin-layout {
            display: grid;
            grid-template-columns: 250px 1fr;
            min-height: 100vh;
        }
        
        .admin-sidebar {
            background: #0b2b40;
            color: white;
            padding: 2rem;
        }
        
        .admin-main {
            background: #f5f7fa;
            padding: 2rem;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .stat-card h3 {
            color: #6c757d;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        
        .stat-card .number {
            font-size: 2rem;
            font-weight: 800;
            color: #1a4d6d;
        }
        
        .data-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .data-table table {
            width: 100%;
            border-collapse: collapse;
        }
        
        .data-table th {
            background: #1a4d6d;
            color: white;
            padding: 1rem;
            text-align: right;
        }
        
        .data-table td {
            padding: 1rem;
            border-bottom: 1px solid #e9ecef;
        }
        
        .data-table tr:hover {
            background: #f8f9fa;
        }
        
        .status-badge {
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        
        .status-pending {
            background: #fff3cd;
            color: #856404;
        }
        
        .status-paid {
            background: #d4edda;
            color: #155724;
        }
        
        .action-btn {
            padding: 0.4rem 0.8rem;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        
        .action-btn.edit {
            background: #1a4d6d;
            color: white;
        }
        
        .action-btn.delete {
            background: #d32f2f;
            color: white;
        }
        
        .action-btn:hover {
            opacity: 0.8;
        }