body {
  font-family: "微軟正黑體", sans-serif;
  background-color: #f9f8f6;
  text-align: center;
  padding: 30px;
}

h1 {
  color: #6b4b3e;
}

#card-container {
  position: relative;
  width: 600px;
  height: 300px;
  margin: 0 auto;
  perspective: 1000px;
}

.card {
  width: 120px;
  height: 200px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform-origin: bottom center;
  cursor: pointer;
}

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

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

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.card-back {
  background-image: url('https://png.pngtree.com/thumb_back/fh260/background/20210831/pngtree-mystical-boho-tarot-card-image_774913.jpg');
  background-size: cover;
  background-position: center;
}

.card-front {
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  padding: 5px;
}

.card-front img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transform: rotate(0deg);
}

.description {
  font-size: 12px;
  padding-top: 5px;
}

#hint {
  margin-top: 30px;
  color: #888;
}
.card.flipped {
  transform: translateY(-80px) rotate(var(--angle, 0deg)) translateX(-50%);
  z-index: 999; /* 抽出的牌要顯示在最上層 */
}
#selected-cards {
  position: absolute;
  top: 50px;
  right: 50px;
  width: 140px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

#selected-cards .card {
  transform: none !important; /* 重置原本旋轉角度 */
  position: relative;
  left: 0;
  top: 0;
}