<!-- Offcanvas für POI-Details -->
<div class="offcanvas offcanvas-end" tabindex="-1" id="poiOffcanvas" aria-labelledby="poiOffcanvasLabel">
  <div class="offcanvas-header">
    <h5 class="offcanvas-title" id="poiOffcanvasLabel">POI-Details</h5>
    <button type="button" class="btn-close text-reset" data-bs-dismiss="offcanvas" aria-label="Schließen"></button>
  </div>
  <div class="offcanvas-body" id="poi-details">
    Wählen Sie einen POI auf der Karte aus, um Details anzuzeigen.
  </div>
</div>