document.addEventListener('DOMContentLoaded', function() {
  const toggleButton = document.getElementById('toggle-facets');
  const facets = document.querySelectorAll('.region--sidebar .block'); // Scope to sidebar

  toggleButton.addEventListener('click', function() {
    const isHidden = facets[0].style.display === 'none' || !facets[0].style.display; // Assume initial 'none' from CSS
    const newDisplay = isHidden ? 'block' : 'none';

    facets.forEach(facet => {
      facet.style.display = newDisplay;
    });
  });
});