html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.scene {
  position: relative;
  width: 320px;
  height: 220px;
  overflow: hidden;
  --flip-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.card {
  appearance: none;
  border: none;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
  padding: 12px 16px;
  border-radius: 16px;
  background: #fff7e6;
  cursor: pointer;
  text-align: left;
}
.card:focus-visible {
  outline: 2px solid #5b8cf8;
  outline-offset: 2px;
}

.cardTitle {
  color: #17141a;
  font-size: 14px;
  font-weight: 700;
}

.cardMeta {
  color: rgba(23, 20, 26, 0.55);
  font-size: 11px;
}

.detail {
  display: none;
  position: absolute;
  inset: 0;
  box-sizing: border-box;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border-radius: 16px;
  background: #fff7e6;
  transform-origin: top left;
  will-change: transform;
  overflow-y: auto;
}

.backBtn {
  appearance: none;
  border: none;
  align-self: flex-start;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(23, 20, 26, 0.08);
  color: #17141a;
  cursor: pointer;
}
.backBtn svg {
  width: 18px;
  height: 18px;
}
.backBtn:focus-visible {
  outline: 2px solid #5b8cf8;
  outline-offset: 2px;
}

.detailTitle {
  margin: 0;
  color: #17141a;
  font-size: 16px;
  font-weight: 700;
}

.detailList {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.detailList li {
  padding: 4px 8px;
  border-radius: 8px;
  background: rgba(23, 20, 26, 0.05);
  color: #17141a;
  font-size: 12px;
}

@media (max-width: 340px) {
  .scene {
    width: 240px;
    height: 160px;
  }
  .card {
    padding: 8px 12px;
    gap: 4px;
  }
  .cards {
    gap: 4px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .detail {
    transition: none !important;
  }
}