.group-card {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            margin-bottom: 1.8rem;
        }
        .cayley-table {
            overflow-x: auto;
            margin: 1rem 0;
        }
        .cayley-table table {
            min-width: 200px;
            background: white;
            border-collapse: collapse;
            width: auto;
            margin: 0 auto;
        }
        .cayley-table th, .cayley-table td {
            border: 1px solid #dee2e6;
            padding: 8px 12px;
            text-align: center;
            font-family: 'Courier New', monospace;
        }
        .cayley-table th {
            background-color: #f1f3f5;
            font-weight: 600;
        }
        .order-badge {
            display: inline-block;
            background: #e9ecef;
            padding: 2px 8px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin: 2px;
        }
        .subgroup-list {
            list-style: none;
            padding-left: 0;
        }
        .subgroup-list li {
            background: #f8f9fa;
            margin: 6px 0;
            padding: 6px 10px;
            border-radius: 6px;
            font-family: monospace;
        }
        .property-row {
            border-bottom: 1px solid #eee;
            padding: 6px 0;
        }
        .math-bg {
            background-color: rgba(70, 130, 180, 0.05);
            border-left: 4px solid #0d6efd;
            padding: 1rem;
            margin: 1.2rem 0;
        }
        .group-selector {
            background-color: #f8f9fc;
            padding: 1.2rem;
            border-radius: 12px;
        }
        .example-group-btn {
            background: none;
            border: 1px solid #ced4da;
            border-radius: 30px;
            padding: 4px 12px;
            font-size: 0.85rem;
            transition: all 0.2s;
        }
        .example-group-btn:hover {
            background: #e9ecef;
            transform: translateY(-1px);
        }
        .center-box, .subgroup-box {
            background: #fef9e6;
            border-radius: 8px;
            padding: 10px 15px;
            margin-top: 10px;
        }