function positionAllDoors() {
  const cont = document.querySelector('.kalenderbild');
  const img  = cont?.querySelector('img');
  if (!cont || !img) return;

  const imgRect  = img.getBoundingClientRect();
  const contRect = cont.getBoundingClientRect();

  // Normale Türen + Openfields
  document.querySelectorAll('.door, .openfield').forEach(el => {
    const topPct   = parseFloat(el.dataset.top)   || 0;
    const leftPct  = parseFloat(el.dataset.left)  || 0;
    const widthPct = parseFloat(el.dataset.width) || 10;

    const widthPx  = imgRect.width  * (widthPct / 100);
    const heightPx = widthPx; // quadratisch

    el.style.position = 'absolute';
    el.style.width  = widthPx + 'px';
    el.style.height = heightPx + 'px';
    el.style.top  = (imgRect.top - contRect.top + imgRect.height * (topPct / 100)) + 'px';
    el.style.left = (imgRect.width * (leftPct / 100) + (contRect.width - imgRect.width) / 2) + 'px';
  });

  // Flügel: data-width = bereits halbe Breite → NICHT nochmal teilen!
  document.querySelectorAll('.fluegel').forEach(fluegel => {
    const topPct   = parseFloat(fluegel.dataset.top)   || 0;
    const leftPct  = parseFloat(fluegel.dataset.left)  || 0;
    const widthPct = parseFloat(fluegel.dataset.width) || 5;

    const widthPx  = imgRect.width  * (widthPct / 100);
    const heightPx = widthPx * 2; // volle Türhöhe

    fluegel.style.position = 'absolute';
    fluegel.style.width  = widthPx + 'px';
    fluegel.style.height = heightPx + 'px';
    fluegel.style.top  = (imgRect.top - contRect.top + imgRect.height * (topPct / 100)) + 'px';
    fluegel.style.left = (imgRect.width * (leftPct / 100) + (contRect.width - imgRect.width) / 2) + 'px';
  });
}