ement('div');
      div.className = 'checkbox-group';
      
      const checkbox = document.createElement('input');
      checkbox.type = 'checkbox';
      checkbox.id = option.value;
      checkbox.checked = option.value === 'allow-scripts'; // Enable scripts by default
      
      const label = document.createElement('label');
      label.htmlFor = option.value;
      label.textContent = option.label;
      
      div.appendChild(checkbox);
      div.appendChild(label);
      sandboxControls.appendChild