          white-space: pre-line;
        }

        .demo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .perf-item {
            background: white;
            border: 2px solid #e0e7ff;
            border-radius: 8px;
            padding: 12px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all 0.2s ease;
        }

        .perf-item:hover {
