:root {
  --ink: #1a1208;
  --ink-soft: #2a1c10;
  --paper: #f4ead4;
  --gold: #c4a574;
  --gold-soft: #e8d2a8;
  --muted: #cbb99a99;
  --vermilion: #9c1c1c;
  --vermilion-deep: #7a1212;
  --wood: #8a5630;
  --wood-deep: #3a2416;
  --color-cup-hi: #ff8a72;
  --color-cup-mid: #e23a32;
  --color-cup-lo: #8b1515;
  --color-cup-yin-hi: #ff5c4a;
  --color-cup-yin-mid: #b1161c;
  --color-cup-yin-lo: #4a0808;
  --color-cup-sheen: #ffd0c2;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  min-height: 100dvh;
  font-family: "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  color: var(--gold-soft);
  background: var(--ink);
  overflow-x: hidden;
}
button, input { font: inherit; }
a { color: inherit; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.bg { position: fixed; inset: 0; pointer-events: none; }
.bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.bg-veil {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(26,18,8,.55), rgba(26,18,8,.45) 40%, rgba(26,18,8,.88));
}
.topbar {
  position: relative; z-index: 10;
  display: flex; justify-content: space-between; align-items: center; gap: .75rem;
  padding: max(0.75rem, env(safe-area-inset-top)) 1rem 0.5rem;
}
.brand { display: flex; gap: 0.75rem; align-items: center; }
.brand-portrait {
  width: 3rem; height: 3rem; border-radius: 0.5rem;
  object-fit: cover; object-position: top;
  box-shadow: 0 0 0 1px rgba(196,165,116,.4);
}
.eyebrow { margin: 0; font-size: 11px; letter-spacing: 0.28em; color: rgba(196,165,116,.8); }
h1 { margin: 0; font-family: "DFKai-SB", "BiauKai", "Noto Serif TC", serif; font-size: 1.4rem; color: var(--gold-soft); font-weight: 600; }
.sub { margin: 0; font-size: 12px; letter-spacing: 0.16em; color: var(--muted); }
.topbar-actions { display: flex; align-items: center; gap: .5rem; flex: 0 0 auto; }
.home-link {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem; padding: 0 .85rem; border-radius: 999px;
  border: 1px solid rgba(196,165,116,.3); background: rgba(26,18,8,.45);
  text-decoration: none; font-size: 13px; letter-spacing: .08em;
}
.icon-btn {
  width: 2.75rem; height: 2.75rem; border-radius: 999px;
  border: 1px solid rgba(196,165,116,.3);
  background: rgba(26,18,8,.4); color: var(--gold-soft);
  cursor: pointer; font-size: 1.1rem;
}
.stage {
  position: relative; z-index: 5;
  display: grid; gap: 1.5rem;
  padding: 0.5rem 1rem 2.5rem;
  max-width: 1180px; margin: 0 auto;
}
@media (min-width: 900px) {
  .stage { grid-template-columns: 1fr 1fr; align-items: start; padding-top: 1rem; }
  .mobile-only { display: none; }
  h1 { font-size: 1.7rem; }
}
.left-col, .right-col { min-width: 0; }
.left-col { text-align: center; }
.deity-frame {
  margin: 0 auto; width: min(460px, 92vw);
  border-radius: 0.75rem; overflow: hidden;
  box-shadow: 0 0 0 1px rgba(196,165,116,.35), 0 20px 40px rgba(0,0,0,.45);
}
.deity-frame img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; object-position: center; }
.incense { display: flex; justify-content: center; gap: 10px; margin: 12px 0 8px; }
.incense span {
  width: 2px; height: 28px; border-radius: 2px;
  background: linear-gradient(#1a1208, #8a5630);
  position: relative;
}
.incense span::after {
  content: ""; position: absolute; top: -8px; left: -2px;
  width: 6px; height: 6px; border-radius: 50%;
  background: #ff8a3c; box-shadow: 0 0 8px #ff6a00;
  animation: ember 1.6s ease-in-out infinite;
}
.incense span:nth-child(2)::after { animation-delay: .4s; }
.incense span:nth-child(3)::after { animation-delay: .8s; }
@keyframes ember { 50% { opacity: .4; transform: translateY(-2px); } }
.rule {
  max-width: 28rem; margin: 0.6rem auto 0;
  font-size: 13px; line-height: 1.8; color: #d7c5a6cc; text-align: left;
}
.right-col { display: flex; flex-direction: column; align-items: center; }
.barrel-wrap { width: min(360px, 100%); text-align: center; }
.barrel {
  position: relative; aspect-ratio: 1056 / 700;
  overflow: hidden; border-radius: .75rem;
  transform-origin: 50% 90%;
}
.barrel.shaking { animation: barrel-shake .18s ease-in-out infinite; }
@keyframes barrel-shake {
  25% { transform: translate(2px,-1px) rotate(-.6deg); }
  75% { transform: translate(-2px,1px) rotate(.6deg); }
}
.barrel-img {
  /* 原圖完整保留；顯示上方圖案，避開截圖中固定的籤數與靜態筊杯。 */
  display: block; width: 100%; height: auto;
}
.remain { margin: .4rem 0 1rem; font-size: 13px; letter-spacing: .16em; color: var(--gold); }
.jiaobei-tray {
  background: radial-gradient(at 50% 40%, #7a4c288c, #1a1208b8);
  border: 1px solid #c4a57447;
  border-radius: 999px;
  display: flex; justify-content: center; align-items: flex-end; gap: 1.6rem;
  width: min(360px, 100%); margin-inline: auto; padding: 1.15rem 1.4rem .9rem;
  box-shadow: inset 0 1px #e6d3a840, 0 10px 18px #00000047;
}
.jiaobei-wrap {
  perspective: 520px; width: 5.1rem; height: 6.4rem;
}
.jiaobei-wrap:nth-child(2) { animation-delay: 90ms; }
.jiaobei-wrap.is-mirror { transform: scaleX(-1); }
.jiaobei {
  width: 100%; height: 100%; position: relative;
  transform-style: preserve-3d;
  filter: drop-shadow(0 8px 8px #00000059);
  transition: transform .55s cubic-bezier(.22,1,.36,1);
  transform: rotateX(16deg);
}
.jiaobei.is-yang { transform: rotateX(12deg); }
.jiaobei.is-yin { transform: rotateX(188deg); }
.jiaobei-face {
  position: absolute; inset: 0; backface-visibility: hidden;
}
.jiaobei-svg { width: 100%; height: 100%; display: block; }
.jiaobei-yin { transform: rotateX(180deg); }
.jiaobei-toss { animation: .95s cubic-bezier(.22,.8,.3,1) both jiaobei-toss; }
@keyframes jiaobei-toss {
  0% { transform: translateY(0) rotate(0); }
  32% { transform: translateY(-128px) rotate(220deg); }
  100% { transform: translateY(0) rotate(360deg); }
}
.jiaobei-wrap.is-mirror.jiaobei-toss { animation-name: jiaobei-toss-mirror; }
@keyframes jiaobei-toss-mirror {
  0% { transform: scaleX(-1) translateY(0) rotate(0); }
  32% { transform: scaleX(-1) translateY(-128px) rotate(-220deg); }
  100% { transform: scaleX(-1) translateY(0) rotate(-360deg); }
}
.cup-labels {
  display: flex; gap: .5rem; margin: .7rem 0 1rem;
}
.cup-labels span {
  font-size: 12px; letter-spacing: .12em;
  padding: .25rem .7rem; border-radius: 999px;
  border: 1px solid rgba(196,165,116,.25);
  color: var(--gold-soft); background: rgba(26,18,8,.35);
}
.cup-labels span.ok { background: var(--vermilion); color: var(--paper); border-color: transparent; }
.cup-guide {
  width: min(430px, 100%); margin: 0 0 .9rem; padding: .65rem .8rem;
  border: 1px solid rgba(196,165,116,.2); border-radius: .55rem;
  background: rgba(26,18,8,.42); color: #dfcaa7;
  font-size: 12px; line-height: 1.75; text-align: left;
}
.cup-guide strong { color: #f0cf8d; }
.topics {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem;
  width: min(420px, 100%); margin-bottom: .7rem;
}
.topics button {
  border: 1px solid rgba(196,165,116,.25);
  background: rgba(26,18,8,.4); color: var(--gold-soft);
  border-radius: 999px; padding: .4rem .75rem;
  font-size: 12px; letter-spacing: .08em; cursor: pointer;
}
.topics button.active { background: var(--vermilion); color: var(--paper); border-color: transparent; }
#question {
  width: min(420px, 100%); height: 2.75rem;
  border-radius: .5rem; border: 1px solid rgba(196,165,116,.25);
  background: rgba(26,18,8,.5); color: var(--gold-soft);
  padding: 0 .75rem; outline: none; font-size: 14px;
}
#question::placeholder { color: var(--muted); }
.btn {
  border: 0; cursor: pointer; font-size: 14px; letter-spacing: .12em;
  min-height: 2.75rem; border-radius: .5rem; padding: 0 1.2rem;
}
.btn.primary {
  width: min(420px, 100%); margin-top: .7rem;
  background: var(--vermilion); color: var(--paper);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.btn.primary:hover { background: var(--vermilion-deep); }
.btn.primary:active { transform: scale(.97); }
.btn:disabled { cursor: not-allowed; opacity: .55; }
.btn.ghost {
  width: 100%; margin-top: .6rem;
  background: transparent; color: var(--gold-soft);
  border: 1px solid rgba(196,165,116,.3);
}
.status-line {
  font-family: "DFKai-SB", "BiauKai", "Noto Serif TC", serif;
  font-size: 1.15rem; letter-spacing: .16em; margin: .8rem 0 .3rem;
  text-align: center;
}
.muted { color: var(--muted); font-size: 13px; text-align: center; margin: 0 0 .6rem; }
.hidden { display: none !important; }

.sheet {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(10,6,3,.62);
  display: flex; align-items: flex-end; justify-content: center;
  padding: 1rem;
}
.slip {
  width: min(460px, 100%);
  max-height: min(92vh, 860px); overflow: auto;
  background: linear-gradient(#f7eedc, #efe2c4);
  color: var(--ink);
  border-radius: .8rem;
  box-shadow: 0 24px 50px rgba(0,0,0,.45);
  padding-bottom: .2rem;
}
.slip-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 1.1rem 1.2rem .3rem;
}
.slip-head h2 { margin: .15rem 0 0; font-family: "DFKai-SB", "BiauKai", "Noto Serif TC", serif; font-size: 1.45rem; }
.rank {
  font-family: "DFKai-SB", "BiauKai", "Noto Serif TC", serif;
  padding: .25rem .65rem; border-radius: .4rem;
  letter-spacing: .16em; font-size: 14px;
}
.rank.ss { background: #7a1212; color: #f4ead4; }
.rank.sj { background: #9c1c1c; color: #f4ead4; }
.rank.zj { background: #6b3a16; color: #f4ead4; }
.rank.zp { background: #4a4030; color: #f4ead4; }
.rank.xx { background: #2a2420; color: #d7c5a6; }
.ask { padding: 0 1.2rem; font-size: 13px; color: #6b4a2a; }
.poem { margin: .8rem 1.2rem; padding: .9rem 0; border-top: 1px solid #9c1c1c33; border-bottom: 1px solid #9c1c1c33; }
.poem p {
  margin: 0; text-align: center;
  font-family: "DFKai-SB", "BiauKai", "Noto Serif TC", serif;
  font-size: 1.28rem; letter-spacing: .12em; line-height: 2;
}
.label { margin: .8rem 1.2rem 0; font-size: 11px; letter-spacing: .2em; color: var(--vermilion); }
.gist { margin: .25rem 1.2rem 0; font-family: "DFKai-SB", "BiauKai", "Noto Serif TC", serif; font-size: 1.05rem; }
.meaning { margin: .6rem 1.2rem 0; font-size: 14px; line-height: 1.75; color: #2a1c10cc; }
.topic-grid {
  margin: .9rem 1.2rem .2rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: .4rem;
}
.topic-grid div {
  display: flex; justify-content: space-between;
  padding: .45rem .65rem; border-radius: .4rem;
  background: #8a56301a; font-size: 13px;
}
.topic-grid div.on { background: var(--vermilion); color: var(--paper); }
.footnote {
  text-align: center; font-size: 11px; letter-spacing: .08em;
  color: #8a5630b0; padding: .8rem 1.2rem .2rem;
}
.slip .btn.primary { width: calc(100% - 2.4rem); margin: .6rem 1.2rem 1.1rem; }

.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(10,6,3,.7);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal-card {
  width: min(420px, 100%);
  max-height: calc(100dvh - 2rem); overflow: auto;
  background: #24180e; color: var(--gold-soft);
  border: 1px solid rgba(196,165,116,.3);
  border-radius: .8rem; padding: 1rem 1.1rem 1.2rem;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; }
.modal-head h3 { margin: 0; font-family: "DFKai-SB", "BiauKai", "Noto Serif TC", serif; }
.modal-card label { display: block; margin-top: .7rem; font-size: 12px; letter-spacing: .1em; }
.modal-card input[type="text"], .modal-card input:not([type="file"]) {
  width: 100%; margin-top: .3rem; height: 2.4rem;
  border-radius: .4rem; border: 1px solid rgba(196,165,116,.25);
  background: rgba(0,0,0,.25); color: var(--gold-soft); padding: 0 .6rem;
}
.hall-list { display: grid; grid-template-columns: 1fr; gap: .5rem; margin-top: .4rem; }
.hall-list button {
  border: 1px solid rgba(196,165,116,.25);
  background: rgba(0,0,0,.2); color: var(--gold-soft);
  min-height: 2.75rem; border-radius: .55rem; padding: .45rem .75rem;
  font-size: 14px; letter-spacing: .04em; cursor: pointer;
}
.hall-list button.active { background: var(--vermilion); color: var(--paper); border-color: transparent; }
.hint { font-size: 12px; color: var(--muted); line-height: 1.6; }
.file-btn {
  display: block; width: 100%; margin-top: .8rem; text-align: center; cursor: pointer;
  border: 1px dashed rgba(196,165,116,.35);
  border-radius: .5rem; padding: .75rem .5rem; font-size: 14px;
}
.privacy-note { margin-bottom: .2rem; }
.settings-status { min-height: 1.4rem; margin: .45rem 0 0; color: #f0cf8d; font-size: 12px; line-height: 1.6; }
.settings-status.error { color: #ffb5a9; }
.home-link:hover, .file-btn:hover { background: rgba(156,28,28,.35); }
.home-link:focus-visible, .icon-btn:focus-visible, .btn:focus-visible,
.topics button:focus-visible, .hall-list button:focus-visible, .file-btn:focus-within,
#question:focus-visible {
  outline: 3px solid #f0cf8d;
  outline-offset: 3px;
}
@media (max-width: 480px) {
  .topbar { align-items: flex-start; }
  .home-link { width: 2.75rem; padding: 0; font-size: 0; }
  .home-link::before { content: "⌂"; font-size: 1.25rem; line-height: 1; }
  .eyebrow { letter-spacing: .16em; }
  .sub { letter-spacing: .08em; }
  .stage { padding-inline: .75rem; }
  .deity-frame { width: 100%; }
  .topic-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .barrel.shaking, .jiaobei-toss, .jiaobei-wrap.is-mirror.jiaobei-toss, .incense span::after { animation: none !important; }
  .jiaobei { transition: none; }
}