ect">üìä Dataset Size:</label>
            <select id="dataSizeSelect">
                <option value="tiny">Tiny (1K records) - Quick Demo</option>
                <option value="small">Small (10K records) - Standard Testing</option>
                <option value="medium">Medium (100K records) - Performance Testing</option>
                <option value="large" selected>Large (1M+ records) - Production Scale</option>
            </select>
        </div>

        <div class="features-grid">
          