body {
            
            min-height: 100vh;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .container {
            padding: 2rem 0;
        }
        
        .card {
            border: none;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            backdrop-filter: blur(10px);
           
            overflow: hidden;
        }
        
        .card-header {
            border: none;
            padding: 2rem;
            text-align: center;
        }
        
        .card-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin: 0;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        
        .card-subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-top: 0.5rem;
        }
        
        .table-container {
            overflow-x: hidden;
            margin: 0;
        }
        
        .table {
            margin: 0;
            font-size: 0.95rem;
        }
        
        .table thead th {
            background: linear-gradient(135deg, #3498db, #2980b9);
            color: white;
            border: none;
            padding: 1rem 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-size: 0.85rem;
            position: sticky;
            top: 0;
            z-index: 10;
        }
        
        .table tbody tr {
            transition: all 0.3s ease;
            cursor: pointer;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        
        .table tbody tr:hover {
            background: linear-gradient(135deg, #84b9b8, #c8f4d9);
            color: white;
            transform: scale(1.01);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .table tbody tr:hover .badge {
            background: rgba(255,255,255,0.9) !important;
            color: #333 !important;
        }
        
        .table td {
            padding: 1rem 0.75rem;
            vertical-align: middle;
            border: none;
        }
        
        .trek-name {
            font-weight: 600;
            color: #2c3e50;
            font-size: 1rem;
        }
        
        .table tbody tr:hover .trek-name {
            color: white;
            font-weight: 700;
        }
        
        .badge {
            font-size: 0.8rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            font-weight: 600;
        }
        
        .badge-level-1 { background: linear-gradient(45deg, #00b894, #00cec9); }
        .badge-level-2 { background: linear-gradient(45deg, #fdcb6e, #e17055); }
        .badge-level-3 { background: linear-gradient(45deg, #fd79a8, #fdcb6e); }
        .badge-level-4 { background: linear-gradient(45deg, #e17055, #d63031); }
        .badge-level-5 { background: linear-gradient(45deg, #a29bfe, #6c5ce7); }
        
        .elevation-gain {
            color: #27ae60;
            font-weight: 600;
        }
        
        .elevation-loss {
            color: #e74c3c;
            font-weight: 600;
        }
        
        .distance {
            font-weight: 600;
            color: #8e44ad;
        }
        
        .days {
            font-weight: 600;
            color: #2980b9;
        }
        
        @media (max-width: 768px) {
            .card-title {
                font-size: 1.8rem;
            }
            
            .card-subtitle {
                font-size: 1rem;
            }
            
            .table {
                font-size: 0.85rem;
            }
            
            .table thead th {
                padding: 0.75rem 0.5rem;
                font-size: 0.75rem;
            }
            
            .table td {
                padding: 0.75rem 0.5rem;
            }
            
            .trek-name {
                font-size: 0.9rem;
            }
        }
        
        .search-container {
            margin-bottom: 1.5rem;
        }
        
        .form-control {
            border-radius: 5px;
            border: 2px solid #ddd;
            padding: 0.75rem 1.5rem;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            border-color: #3498db;
            box-shadow: 0 0 20px rgba(52, 152, 219, 0.3);
        }
        
        .stats-container {
            display: flex;
            justify-content: space-around;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        
        .stat-card {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 0.5rem 7rem;
            border-radius: 15px;
            text-align: center;
            min-width: 120px;
            margin: 0.5rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .stat-number {
            font-size: 1.5rem;
            font-weight: 700;
        }
        
        .stat-label {
            font-size: 0.9rem;
            opacity: 0.9;
        }