:root {
  --stage: #100d0c;
  --stage-2: #1a1614;
  --panel: #221d19;
  --panel-2: #2c2620;
  --hairline: rgba(230, 180, 90, 0.22);
  --spotlight: #e8b04a;
  --spotlight-soft: #f3cd85;
  --clapper-red: #d1495b;
  --clapper-red-soft: #e78191;
  --cut-teal: #6fb3ad;
  --cut-teal-soft: #9dd0cb;
  --text: #f4ede1;
  --muted: #b9ab99;
  --muted-dim: #8a7d6d;
  --shadow: rgba(3, 2, 1, 0.55);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  background:
    radial-gradient(circle at 50% -10%, rgba(232, 176, 74, 0.14), transparent 55%),
    radial-gradient(circle at 90% 100%, rgba(111, 179, 173, 0.1), transparent 45%),
    linear-gradient(180deg, var(--stage) 0%, #0a0807 100%);
  color: var(--text);
  padding: 32px 16px 80px;
}

[hidden] { display: none !important; }

.app { max-width: 960px; margin: 0 auto; }

.site-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.nav-link {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--hairline);
  padding: 6px 14px;
  border-radius: 999px;
  transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover { color: var(--spotlight-soft); border-color: rgba(232, 176, 74, 0.55); }

.header { text-align: center; margin-bottom: 10px; }

.header h1 {
  font-size: 2rem;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--spotlight-soft), var(--clapper-red-soft) 55%, var(--cut-teal-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle { color: var(--muted); font-size: 0.95rem; margin-bottom: 20px; }

.visit-counter { color: var(--muted); font-size: 0.78rem; }

.controls {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px var(--shadow);
}

.draw-choice { display: flex; gap: 12px; }

.draw-btn {
  padding: 14px 28px;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  background: rgba(111, 179, 173, 0.1);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, border-color 0.2s;
}

.draw-btn .count {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--spotlight-soft);
  margin-bottom: 2px;
}

.draw-btn:hover { transform: translateY(-2px); background: rgba(111, 179, 173, 0.2); }
.draw-btn.active { border-color: var(--spotlight); background: rgba(232, 176, 74, 0.16); }
.draw-btn.active .count { color: var(--spotlight-soft); }

.actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn-primary, .btn-secondary {
  font-family: inherit;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, opacity 0.15s;
}

.btn-primary {
  padding: 13px 24px;
  border: none;
  background: linear-gradient(120deg, var(--clapper-red), #a8324a);
  color: #fff;
  font-size: 0.95rem;
  box-shadow: 0 8px 22px rgba(209, 73, 91, 0.4);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(209, 73, 91, 0.55); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-secondary {
  padding: 13px 18px;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--spotlight-soft);
  font-size: 0.9rem;
}

.btn-secondary:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-secondary:not(:disabled):hover { background: rgba(232, 176, 74, 0.12); }

.status { text-align: center; margin: 36px 0; color: var(--muted); }

.shuffle-anim { position: relative; width: 100px; height: 140px; margin: 0 auto 12px; }

.shuffle-card {
  position: absolute;
  width: 70px;
  height: 100px;
  left: 15px;
  top: 20px;
  border-radius: 8px;
  background: linear-gradient(150deg, var(--panel-2), var(--panel));
  border: 1px solid var(--hairline);
  box-shadow: 0 6px 16px var(--shadow);
  animation: shuffleMove 0.9s ease-in-out infinite;
}

.shuffle-card.c1 { animation-delay: 0s; }
.shuffle-card.c2 { animation-delay: 0.15s; }
.shuffle-card.c3 { animation-delay: 0.3s; }

@keyframes shuffleMove {
  0% { transform: translateX(-24px) rotate(-8deg); }
  50% { transform: translateX(24px) rotate(8deg); }
  100% { transform: translateX(-24px) rotate(-8deg); }
}

.reading { margin-top: 20px; }

.text-block { margin-top: 28px; }

.text-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--spotlight-soft);
  margin: 0 0 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.text-hint {
  font-size: 0.76rem;
  font-weight: 400;
  color: var(--muted-dim);
}

.result-textarea {
  width: 100%;
  max-width: 520px;
  display: block;
  resize: vertical;
  font-family: inherit;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text);
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
}

.result-textarea:focus {
  outline: none;
  border-color: var(--spotlight);
}

.card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: center;
}

.studio-card { width: 158px; cursor: pointer; }

.card-position {
  text-align: center;
  font-size: 0.76rem;
  color: var(--muted-dim);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 220px;
  transition: transform 0.65s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
}

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

.card-face {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px 10px;
}

.card-back {
  background:
    repeating-linear-gradient(135deg, rgba(232, 176, 74, 0.14) 0 10px, transparent 10px 20px),
    linear-gradient(150deg, var(--panel-2), var(--panel));
  border: 1.5px solid var(--hairline);
}

.card-back::before,
.card-back::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 12px;
  background: repeating-linear-gradient(90deg, rgba(232, 176, 74, 0.5) 0 6px, transparent 6px 14px);
  opacity: 0.6;
}

.card-back::before { top: 8px; }
.card-back::after { bottom: 8px; }

.card-back .clapper-icon {
  font-size: 1.7rem;
  color: rgba(232, 176, 74, 0.75);
}

.card-front {
  background: linear-gradient(165deg, #2e2620, #17130f);
  border: 1.5px solid var(--spotlight-soft);
  transform: rotateY(180deg);
}

.card-front .card-part {
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--cut-teal-soft);
  margin-bottom: 8px;
  line-height: 1.4;
}

.card-front .card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--spotlight-soft);
  line-height: 1.35;
}

.card-front .card-en {
  font-size: 0.66rem;
  color: var(--muted);
  margin-top: 5px;
  font-style: italic;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 4, 3, 0.72);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.detail-card {
  max-width: 420px;
  width: 100%;
  background: linear-gradient(165deg, #2e2620, #17130f);
  border: 1px solid var(--spotlight-soft);
  border-radius: 16px;
  padding: 28px;
  position: relative;
  box-shadow: 0 30px 70px var(--shadow);
}

.detail-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.3rem;
  cursor: pointer;
}
.detail-close:hover { color: var(--text); }

.detail-card .detail-part {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--cut-teal-soft);
  margin-bottom: 10px;
  line-height: 1.5;
}

.detail-card h3 {
  color: var(--spotlight-soft);
  margin: 0 0 4px;
  font-size: 1.3rem;
}

.detail-card .en-name {
  color: var(--muted);
  font-style: italic;
  margin-bottom: 18px;
  font-size: 0.85rem;
}

.detail-block {
  margin-bottom: 16px;
}

.detail-block:last-child {
  margin-bottom: 0;
}

.detail-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.detail-label.cause { color: var(--clapper-red-soft); }
.detail-label.line { color: var(--spotlight-soft); }

.detail-card p {
  margin: 0;
  color: var(--text);
  line-height: 1.7;
  font-size: 0.95rem;
}

.detail-block.line p {
  font-style: italic;
}

footer.note {
  text-align: center;
  color: var(--muted-dim);
  font-size: 0.76rem;
  margin-top: 46px;
}

@media (max-width: 560px) {
  .studio-card { width: 128px; }
  .card-inner { height: 178px; }
  .controls { padding: 20px; }
  .draw-choice { width: 100%; justify-content: center; }
}