.orbital-shape {
            width: 100%;
            background: #f5f7fb;
            border-radius: 12px;
            padding: 15px;
            text-align: center;
            border: 1px solid #e2e8f0;
        }
        .quantum-badge {
            font-family: monospace;
            font-size: 1.2rem;
            background: #eef2ff;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            display: inline-block;
        }
        .quantum-card {
            background: #ffffff;
            border-radius: 20px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.03);
            border: 1px solid #eef2f6;
        }
        .quantum-value {
            font-size: 2rem;
            font-weight: 700;
            color: #2563eb;
        }
        .canvas-orbital {
            background: #ffffff;
            border-radius: 16px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            margin-top: 10px;
        }
        .legend-shape {
            display: flex;
            gap: 1.2rem;
            justify-content: center;
            margin-top: 12px;
            font-size: 0.8rem;
        }
        .error-input {
            border-color: #dc2626 !important;
            background-color: #fef2f2 !important;
        }