 filter">
      <span>+</span> Add filter
    </div>
  </div>
  
  <!-- Value Popover -->
  <div class="filter-popover" id="valuePopover">
    <div class="popover-title">Enter value</div>
    <input type="text" id="valueInput" aria-label="Filter value">
    <div class="popover-actions">
      <button class="secondary" id="cancelButton" onclick="closeValuePopover()">Cancel</button>
      <button class="primary" id="applyValueButton">Apply</button>
    </div>
  </div>
  
  <script type="module">
// Initial fi