/* Simple flip card styles */
body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  background: #f0f0f0;
  font-family: Arial, sans-serif;
}

.scene {
  width: 300px;
  height: 400px;
  perspective: 1000px;
  margin-bottom: 20px;
}

.card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.8s;
}

.card.is-flipped {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
}

.card-front {
  /* front side */
}

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

button {
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}