.flashcard-container {
  perspective: 1000px;
  height: 500px;
}

.flashcard {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flashcard.flipped {
  transform: rotateY(180deg);
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem;
}

.flashcard-back {
  transform: rotateY(180deg);
}