.terminbuchung-overlay {
  position: fixed; /* Besser als absolute für Overlays */
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5); /* Optional: leichter Dimmer-Effekt */
  z-index: 1000;
  display: flex;
  -webkit-overflow-scrolling: touch;
}

#terminbuchung-iframe {
  width: 100%;
  height: 100%;
  border: none;
  margin: 0 auto;
  visibility: hidden; /* Startet unsichtbar */
}

#terminbuchung-iframe.is-loaded {
  visibility: visible;
}