:root {
  color-scheme: light;
  --paper: #F7F1E3;
  --ink: #2F2A26;
  --muted: #8A7E6E;
  --cinnabar: #B5502F;
  --disc-hi: #C0633F;
  --disc-lo: #A8492C;
  --card-cream: #FFFDF6;
  --line: rgba(90, 60, 30, .16);
  --serif: "LXGW WenKai Screen", "Kaiti SC", "STKaiti", "KaiTi", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  font-family: "PingFang SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.shell { min-height: 100dvh; max-width: 680px; margin: 0 auto; padding: env(safe-area-inset-top) 18px calc(30px + env(safe-area-inset-bottom)); position: relative; }
.topbar { height: 64px; display: flex; align-items: center; justify-content: space-between; }
.topbar > span.brand:only-child { margin-left: auto; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 15.5px; font-weight: 600; letter-spacing: .08em; }
.brand-mark { height: 28px; width: auto; display: block; }
.back { color: var(--muted); font-size: 13.5px; }
.hero { padding: 26px 0 20px; position: relative; }
.v-text { position: absolute; writing-mode: vertical-rl; font: 12px/1 var(--serif); letter-spacing: .34em; color: var(--cinnabar); opacity: .75; pointer-events: none; }
.hero .v-text { right: 2px; top: 30px; }
.shell > .v-text { right: 20px; top: 94px; }
.eyebrow { color: var(--cinnabar); font-size: 10.5px; font-weight: 700; letter-spacing: .2em; }
h1 { font-family: var(--serif); font-size: 26px; line-height: 1.4; font-weight: 600; margin: 12px 44px 10px 0; }
.hero p, .summary { font-size: 14px; line-height: 1.85; color: #7C7266; max-width: 92%; margin: 0; }
.state { padding: 28px 20px; color: var(--muted); text-align: center; border: 1px dashed rgba(90, 60, 30, .25); border-radius: 14px; }
.collection-list { display: grid; gap: 10px; padding-bottom: 28px; }
.collection-card { --rot: #B5502F; --wash: #F6E9DD; display: block; position: relative; overflow: hidden; padding: 11px 64px 11px 62px; background: var(--wash); border-radius: 12px; transition: transform 150ms; }
.collection-card:nth-child(4n+2) { --rot: #5F7A66; --wash: #EAEEE6; }
.collection-card:nth-child(4n+3) { --rot: #4A5B6C; --wash: #E8ECEF; }
.collection-card:nth-child(4n+4) { --rot: #C08A3E; --wash: #F5EBD6; }
.collection-card:active { transform: scale(.96); }
.collection-card small { position: absolute; left: 0; top: 0; bottom: 0; width: 48px; display: grid; place-items: center; writing-mode: vertical-rl; background: var(--rot); color: #F7F1E3; font: 700 11px/1 var(--serif); letter-spacing: .18em; }
.collection-card h2 { font-family: var(--serif); font-size: 16px; font-weight: 600; margin: 0 0 3px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.collection-card p { margin: 0; font-size: 12px; line-height: 1.55; color: rgba(47, 42, 38, .6); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.episode-list { display: grid; gap: 0; padding-bottom: 28px; }
.episode-row { display: grid; grid-template-columns: 44px 1fr auto; gap: 13px; align-items: center; padding: 16px 4px; border-bottom: 1px solid var(--line); transition: transform 150ms; }
.episode-row:active { transform: scale(.96); }
.episode-index { font: 600 18px/1 var(--serif); color: var(--cinnabar); }
.episode-copy h2 { font-family: var(--serif); font-size: 16px; font-weight: 600; margin: 0 0 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.episode-copy p { margin: 0; font-size: 12.5px; line-height: 1.55; color: var(--muted); }
.duration { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.collection-link { display: inline-block; margin-top: 15px; font-size: 13.5px; font-weight: 700; color: var(--cinnabar); }
.episode-detail { padding: 22px 0 4px; }
.player-card { position: sticky; bottom: 14px; z-index: 5; margin-top: 34px; padding: 13px 16px; background: var(--card-cream); border: 1px solid rgba(90, 60, 30, .14); border-radius: 20px; box-shadow: 0 14px 34px rgba(90, 60, 30, .18); display: grid; grid-template-columns: 56px 1fr; gap: 4px 14px; align-items: center; text-align: left; }
.player-card[hidden] { display: none; }
.record { grid-row: 1 / 3; width: 56px; height: 56px; margin: 0; border: 0; border-radius: 50%; position: relative; display: grid; place-items: center; cursor: pointer; background: repeating-radial-gradient(circle, var(--disc-hi) 0 2px, var(--disc-lo) 2px 4px); box-shadow: 0 6px 16px rgba(150, 70, 40, .3); transition: transform 150ms; }
.record:active { transform: scale(.96); }
.record::after { content: ""; position: absolute; width: 20px; height: 20px; border-radius: 50%; background: #FDF8EE; box-shadow: 0 1px 4px rgba(120, 50, 25, .4); }
.record span { position: absolute; z-index: 1; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 13px; height: 12px; font-size: 0; }
.record span::before { content: ""; position: absolute; left: 2px; top: 0; border-style: solid; border-width: 6px 0 6px 11px; border-color: transparent transparent transparent var(--disc-lo); }
.record.playing { animation: spin 28s linear infinite; }
.record.playing span::before { border: 0; left: 0; width: 4px; height: 12px; border-radius: 1.5px; background: var(--disc-lo); }
.record.playing span::after { content: ""; position: absolute; right: 0; top: 0; width: 4px; height: 12px; border-radius: 1.5px; background: var(--disc-lo); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .record.playing { animation: none; } }
.track { grid-column: 2; display: grid; grid-template-columns: 38px 1fr 38px; gap: 8px; align-items: center; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.track input { width: 100%; height: 28px; margin: 0; background: transparent; accent-color: var(--cinnabar); -webkit-appearance: none; appearance: none; }
.track input::-webkit-slider-runnable-track { height: 2px; background: rgba(181, 80, 47, .2); border-radius: 1px; }
.track input::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; margin-top: -6px; border-radius: 50%; background: var(--cinnabar); border: 2px solid var(--card-cream); box-shadow: 0 1px 4px rgba(120, 50, 25, .4); }
.player-state { grid-column: 2; margin: 0; font-size: 11.5px; color: var(--muted); text-align: left; }
.hidden-player { position: fixed; width: 1px; height: 1px; opacity: .01; pointer-events: none; }
.local-only { margin-top: 20px; padding: 12px 15px; background: #F5EBD6; color: #76501E; border-radius: 14px; font-size: 13px; line-height: 1.55; }
@media (min-width: 640px) { .shell { padding-left: 30px; padding-right: 30px; } .shell > .v-text { right: 32px; } }
.pager { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; padding: 4px 0 30px; }
.pager[hidden], .episode-nav[hidden] { display: none; }
.pager-btn, .pager-num { border: 0; background: none; cursor: pointer; font-family: var(--serif); transition: transform 150ms; }
.pager-btn { padding: 8px 10px; font-size: 13px; font-weight: 600; color: var(--cinnabar); }
.pager-btn[disabled] { color: var(--muted); opacity: .45; cursor: default; }
.pager-num { width: 34px; height: 34px; border-radius: 9px; font-size: 14px; color: var(--cinnabar); }
.pager-num.is-current { background: var(--cinnabar); color: #F7F1E3; box-shadow: 0 3px 10px rgba(181, 80, 47, .28); }
.pager-btn:active, .pager-num:active { transform: scale(.94); }
.pager-ellipsis { color: var(--muted); }
.episode-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 20px; }
.episode-nav-link { display: block; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; transition: transform 150ms; }
.episode-nav-link:active { transform: scale(.97); }
.episode-nav-link small { display: block; margin-bottom: 4px; color: var(--cinnabar); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.episode-nav-link span { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; font-family: var(--serif); font-size: 14px; font-weight: 600; }
.episode-nav-link.next { text-align: right; }
.episode-nav-link:only-child { grid-column: 1 / -1; }
.back[hidden] { display: none; }
.share-btn { border: 1px solid rgba(181, 80, 47, .4); background: none; color: var(--cinnabar); font-size: 11px; font-weight: 600; letter-spacing: .08em; border-radius: 8px; padding: 4px 8px; cursor: pointer; transition: transform 150ms; }
.share-btn:active { transform: scale(.94); }
.collection-card .share-btn { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); }
.collection-card .share-btn:active { transform: translateY(-50%) scale(.94); }
.share-collection { margin-top: 14px; padding: 7px 14px; font-size: 12.5px; }
.episode-side { display: grid; gap: 6px; justify-items: end; }
.toast { position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 8px); z-index: 30; padding: 10px 18px; background: var(--card-cream); border: 1px solid rgba(90, 60, 30, .14); border-radius: 12px; box-shadow: 0 10px 28px rgba(90, 60, 30, .2); color: var(--ink); font-size: 13px; opacity: 0; pointer-events: none; transition: opacity 160ms, transform 160ms; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }