body {
            background: linear-gradient(135deg, #6b7280, #111827);
            min-height: 100vh;
        }
        .card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 1rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        .btn-primary {
            background: linear-gradient(to right, #3b82f6, #1d4ed8);
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(0, 0, 255, 0.2);
        }
        .btn-delete {
            background: linear-gradient(to right, #ef4444, #b91c1c);
            transition: all 0.3s ease;
        }
        .btn-delete:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(255, 0, 0, 0.2);
        }
        table tr:hover {
            background-color: rgba(243, 244, 246, 0.5);
        }