:root {
  --ink: #241810;
  --muted: #6d5848;
  --paper: #fff6ea;
  --line: #1c140f;
  --sun: #ffb15a;
  --pink: #ff8fab;
  --night: #2b3d66;
  --safe-top: max(14px, env(safe-area-inset-top));
  --safe-bottom: max(14px, env(safe-area-inset-bottom));
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: #f3e2cc;
  color: var(--ink);
  font-family: "Be Vietnam Pro", "Noto Sans TC", "PingFang TC", sans-serif;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

#stage {
  height: 100dvh;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.card {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 177, 90, 0.35), transparent 28%),
    var(--paper);
  transform: translateX(0);
}

.card.is-leaving { animation: slide-out 0.38s ease forwards; z-index: 2; }
.card.is-entering { animation: slide-in 0.38s ease forwards; z-index: 1; }
.card.is-leaving.back { animation-name: slide-out-back; }
.card.is-entering.back { animation-name: slide-in-back; }

@keyframes slide-out { to { transform: translateX(-18%) scale(0.96); opacity: 0; } }
@keyframes slide-in { from { transform: translateX(18%); } to { transform: none; } }
@keyframes slide-out-back { to { transform: translateX(18%) scale(0.96); opacity: 0; } }
@keyframes slide-in-back { from { transform: translateX(-18%); } to { transform: none; } }

.frame {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--safe-top) 16px var(--safe-bottom);
  overflow: hidden;
}

.hero {
  flex: 0 0 30dvh;
  min-height: 148px;
  border: 4px solid var(--line);
  border-radius: 18px;
  background: #ffe7c4 center / cover no-repeat;
  box-shadow: 6px 6px 0 var(--line);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 46%;
  background: linear-gradient(180deg, transparent, rgba(255, 246, 234, 0.96));
}

.kicker, .meta, .who, .hint, .title-tr, .banner-tr, .tr {
  letter-spacing: 0.04em;
}

.kicker, .meta, .hint {
  margin: 10px 2px 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.copy {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.lines {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

h1, .mood {
  margin: 2px 0 0;
  font-size: clamp(28px, 7.4vw, 40px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.title-tr {
  margin: 4px 0 0;
  color: #c4522a;
  font-size: 15px;
  font-weight: 800;
}

.subtitle {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 800;
}

.pager {
  display: flex;
  gap: 6px;
  margin: 14px 2px 0;
}

.pager i {
  height: 4px;
  width: 18px;
  border-radius: 99px;
  background: rgba(36, 24, 16, 0.18);
  display: block;
}

.pager i.on { background: var(--line); width: 28px; }

.story-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  margin: 14px 2px 10px;
}

.panel {
  border: 4px solid var(--line);
  border-radius: 16px;
  margin-top: 12px;
  overflow: hidden;
  background: #fffdf8;
  box-shadow: 5px 5px 0 var(--line);
}

.panel.sun { background: linear-gradient(180deg, #ffe0ad, #fff8ee 42%); }
.panel.pink { background: linear-gradient(180deg, #ffd0dc, #fff8ee 42%); }
.panel.cream { background: linear-gradient(180deg, #fff1cf, #fffdf8 46%); }
.panel.night { background: linear-gradient(180deg, #d9e4ff, #fffdf8 40%); color: var(--ink); }

.banner {
  margin: 0;
  padding: 8px 12px;
  background: var(--line);
  color: #fff6ea;
  font-size: 16px;
  font-weight: 900;
}

.banner-tr {
  display: block;
  margin-top: 2px;
  color: #ffd7a8;
  font-size: 12px;
  font-weight: 700;
}

.line {
  padding: 12px 12px 4px;
}

.line:last-child { padding-bottom: 12px; }

.who {
  display: inline-block;
  margin-bottom: 4px;
  padding: 2px 8px;
  border: 2px solid var(--line);
  border-radius: 99px;
  background: #fff;
  font-size: 11px;
  font-weight: 900;
}

.who.thanh { background: #ffd6e2; }
.who.wen { background: #ffe0a8; }

.line p {
  margin: 0;
  font-size: clamp(15px, 3.8vw, 18px);
  line-height: 1.35;
  font-weight: 750;
}

.tr {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: clamp(13px, 3.3vw, 15px);
  line-height: 1.35;
  font-weight: 650;
}

.quote {
  margin: 8px 0 0;
  padding: 12px;
  border: 4px solid var(--line);
  border-radius: 16px;
  background: #ffe7c2;
  box-shadow: 5px 5px 0 var(--line);
  font-size: 22px;
  line-height: 1.35;
  font-weight: 900;
}

.quote .tr { color: #6a4630; }

@media (prefers-reduced-motion: reduce) {
  .card.is-leaving, .card.is-entering,
  .card.is-leaving.back, .card.is-entering.back {
    animation: fade 0.16s linear forwards;
  }
  @keyframes fade { from { opacity: 0.5; } to { opacity: 1; } }
}