.flip-card-container {
    width: 100%;
    perspective: 1000px;
    position: relative;
  }
  
  .flip-card-inner {
    position: relative;
    width: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s;
    min-height: 0;
  }
  
  .flip-card-inner.flipped {
    transform: rotateY(180deg);
  }
  
  /* Vorder- und Rückseite */
  .flip-card-front,
  .flip-card-back {
    position: relative;
    width: 100%;
    backface-visibility: hidden;
    display: block;
  }
  
  /* Rückseite umdrehen */
  .flip-card-back {
    transform: rotateY(180deg);
    position: absolute;
    top: 0;
    left: 0;
  }