:root {
  --selector-scene:url('/anh-art/tram-n2.webp');
  --selector-ink:#17364d;
  --selector-soft:#526c7a;
  --selector-paper:rgba(255,252,242,.86);
  --selector-line:rgba(24,55,75,.18);
  --selector-accent:#b64f3c;
  --selector-gold:#a77a31;
}
* { box-sizing:border-box; }
html { min-width:320px;background:#d9e1dc;color-scheme:light; }
html[data-mode="dark"] { background:#071524;color-scheme:dark; }
body {
  min-height:100dvh;
  margin:0;
  overflow-x:hidden;
  color:var(--selector-ink);
  font-family:var(--tl-font-ui,"Be Vietnam Pro",system-ui,sans-serif);
  background:
    linear-gradient(180deg,rgba(241,244,237,.54),rgba(225,231,225,.76)),
    var(--selector-scene) center 44%/cover fixed;
}
body::before {
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(70% 42% at 50% 7%,rgba(255,249,221,.58),transparent 72%),
    linear-gradient(90deg,rgba(250,247,235,.18),rgba(18,55,73,.06));
}
html[data-mode="dark"] body {
  --selector-ink:#f2ede3;
  --selector-soft:#c6cbc7;
  --selector-paper:rgba(9,28,43,.78);
  --selector-line:rgba(224,231,226,.18);
  background:
    linear-gradient(180deg,rgba(4,17,29,.66),rgba(5,20,34,.84)),
    var(--selector-scene) center 44%/cover fixed;
}
button,a { font:inherit; }
button { color:inherit; }
a { color:inherit; }
button:focus-visible,a:focus-visible {
  outline:3px solid var(--tl-focus,#1f7087);
  outline-offset:4px;
}
.selector-shell {
  width:min(1180px,calc(100% - 28px));
  min-height:100dvh;
  margin:0 auto;
  padding:calc(env(safe-area-inset-top) + 12px) 0 calc(env(safe-area-inset-bottom) + 14px);
  display:grid;
  grid-template-rows:auto auto auto auto;
  gap:clamp(10px,1.8vh,18px);
}
.topbar {
  min-height:60px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:14px;
  padding:7px 9px 7px 7px;
  border:1px solid var(--tl-glass-border,rgba(255,255,255,.54));
  border-radius:var(--tl-radius-panel,22px);
  background:var(--tl-glass,rgba(255,255,255,.48));
  box-shadow:0 12px 34px rgba(20,42,55,.10);
  -webkit-backdrop-filter:blur(var(--tl-blur,18px));
  backdrop-filter:blur(var(--tl-blur,18px));
}
html[data-mode="dark"] .topbar { background:rgba(8,27,42,.62);box-shadow:0 14px 36px rgba(0,0,0,.22); }
.icon-control,.settings-control {
  min-width:var(--tl-control-min,44px);
  min-height:var(--tl-control-min,44px);
  border:1px solid var(--selector-line);
  border-radius:var(--tl-radius-control,12px);
  background:rgba(255,255,255,.22);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  cursor:pointer;
}
html[data-mode="dark"] .icon-control,
html[data-mode="dark"] .settings-control { background:rgba(255,255,255,.05); }
.back { font:500 30px/1 var(--tl-font-jp,"Noto Serif JP",serif); }
.brand-lockup { min-width:0;display:flex;align-items:baseline;gap:10px; }
.brand-lockup span { color:var(--selector-gold);font:700 10px/1.2 var(--tl-font-mono,"JetBrains Mono",monospace);letter-spacing:.18em; }
.brand-lockup b { overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:600 16px/1.3 var(--tl-font-jp,"Noto Serif JP",serif); }
.settings-control { gap:8px;padding:0 14px;font-weight:700;font-size:13px; }
.intro {
  min-height:94px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(220px,420px);
  align-items:end;
  gap:28px;
  padding:4px clamp(8px,2vw,24px) 0;
}
.eyebrow { margin:0 0 5px;color:var(--selector-gold);font:700 10px/1.3 var(--tl-font-mono,"JetBrains Mono",monospace);letter-spacing:.22em; }
.intro h1 { margin:0;font:500 clamp(34px,5vw,62px)/.98 var(--tl-font-jp,"Noto Serif JP",serif);letter-spacing:-.045em; }
.intro h1 em { color:var(--selector-accent);font-family:"Playfair Display",var(--tl-font-jp,serif);font-weight:500; }
.intro-note { max-width:34ch;margin:0 0 5px auto;color:var(--selector-soft);font-size:14px;line-height:1.6;text-align:right; }
.shelf-frame {
  min-height:0;
  padding:clamp(14px,2vw,24px) clamp(12px,2vw,22px) 12px;
  border:1px solid var(--tl-glass-border,rgba(255,255,255,.58));
  border-radius:var(--tl-radius-main,28px);
  background:linear-gradient(140deg,rgba(255,255,255,.48),rgba(250,247,235,.28));
  box-shadow:0 26px 70px rgba(20,42,55,.16);
  -webkit-backdrop-filter:blur(calc(var(--tl-blur,18px) * .9));
  backdrop-filter:blur(calc(var(--tl-blur,18px) * .9));
}
html[data-mode="dark"] .shelf-frame { background:linear-gradient(140deg,rgba(8,29,45,.72),rgba(9,25,39,.45));box-shadow:0 28px 72px rgba(0,0,0,.32); }
.shelf { min-height:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(10px,1.6vw,18px);align-items:end; }
.book {
  position:relative;
  width:100%;
  height:clamp(250px,41vh,318px);
  min-height:220px;
  padding:24px 16px 15px 36px;
  overflow:hidden;
  border:1px solid color-mix(in srgb,var(--book-accent) 52%,var(--selector-line));
  border-radius:5px 13px 13px 5px;
  background:
    linear-gradient(105deg,rgba(255,255,255,.18),transparent 36%),
    linear-gradient(160deg,color-mix(in srgb,var(--book-accent) 70%,#f7efe0),color-mix(in srgb,var(--book-accent) 35%,#17364d));
  color:#fffdf7;
  text-align:left;
  text-decoration:none;
  box-shadow:7px 13px 24px rgba(17,38,50,.22),inset -5px 0 0 rgba(255,255,255,.12);
  transform-origin:50% 100%;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
  cursor:pointer;
}
.book::before {
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:25px;
  border-right:1px solid rgba(255,255,255,.28);
  background:linear-gradient(90deg,rgba(6,21,32,.48),rgba(255,255,255,.08));
  box-shadow:inset -5px 0 8px rgba(0,0,0,.16);
}
.book::after {
  content:"";
  position:absolute;
  inset:7px 4px 7px auto;
  width:4px;
  border-radius:2px;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.72) 0 2px,rgba(255,255,255,.16) 2px 5px);
  opacity:.55;
}
.book:hover { transform:translateY(-6px) rotate(-.35deg);box-shadow:10px 18px 34px rgba(17,38,50,.30),inset -5px 0 0 rgba(255,255,255,.14); }
.book--ready { --book-accent:#a84033; }
.book--source { --book-accent:#28776f; }
.book--waiting { --book-accent:#5f6e78;filter:saturate(.78); }
.book__spine { position:absolute;left:6px;top:14px;color:rgba(255,255,255,.72);font:700 8px/1 var(--tl-font-mono,"JetBrains Mono",monospace);letter-spacing:.12em;writing-mode:vertical-rl; }
.book__top { display:flex;align-items:center;justify-content:space-between;gap:8px;color:rgba(255,255,255,.78);font:700 9px/1.3 var(--tl-font-mono,"JetBrains Mono",monospace);letter-spacing:.1em;text-transform:uppercase; }
.book__glyph { display:block;margin:clamp(10px,2vh,18px) 0 3px;font:600 clamp(50px,6.6vw,78px)/1 var(--tl-font-jp,"Noto Serif JP",serif);text-shadow:0 5px 16px rgba(0,0,0,.16); }
.book__ja { display:block;min-height:30px;color:rgba(255,255,255,.80);font:500 11px/1.45 var(--tl-font-jp,"Noto Serif JP",serif); }
.book__title { display:block;margin:4px 0 0;font:600 clamp(18px,2vw,25px)/1.08 "Playfair Display",var(--tl-font-jp,serif);text-wrap:balance; }
.book__status { display:block;margin:auto 0 0;padding-top:10px;border-top:1px solid rgba(255,255,255,.25); }
.book__status b { display:block;font-size:12px;line-height:1.35; }
.book__status small { display:block;margin-top:3px;color:rgba(255,255,255,.78);font-size:10px;line-height:1.45; }
.book__action { display:flex;align-items:center;justify-content:space-between;margin-top:8px;color:#fff9db;font:700 10px/1.2 var(--tl-font-mono,"JetBrains Mono",monospace);letter-spacing:.08em;text-transform:uppercase; }
.book__action[aria-hidden="true"] { color:rgba(255,255,255,.72);text-transform:none;letter-spacing:0; }
.shelf-line { height:13px;margin:10px -5px -5px;border-radius:3px 3px 8px 8px;background:linear-gradient(180deg,#805330,#4b2d20);box-shadow:0 9px 17px rgba(45,29,21,.30),inset 0 2px 0 rgba(255,255,255,.18); }
.source-note { margin:0;text-align:right;color:var(--selector-soft);font:700 9px/1.3 var(--tl-font-mono,"JetBrains Mono",monospace);letter-spacing:.1em; }
.source-note span { display:inline-grid;place-items:center;width:20px;height:20px;margin-right:5px;border:1px solid currentColor;border-radius:4px;color:var(--selector-accent); }
.settings-dialog {
  width:min(680px,calc(100% - 24px));
  max-height:min(760px,calc(100dvh - 24px));
  padding:0;
  overflow:auto;
  border:1px solid var(--tl-glass-border,rgba(255,255,255,.62));
  border-radius:var(--tl-radius-main,28px);
  background:rgba(252,249,239,.94);
  color:#17364d;
  box-shadow:0 36px 100px rgba(7,24,37,.36);
  -webkit-backdrop-filter:blur(24px);
  backdrop-filter:blur(24px);
}
html[data-mode="dark"] .settings-dialog { background:rgba(7,25,39,.96);color:#f2ede3; }
.settings-dialog::backdrop { background:rgba(4,15,24,.62);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px); }
.dialog-head { position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px 14px;border-bottom:1px solid var(--selector-line);background:inherit; }
.dialog-kicker { color:var(--selector-gold);font:700 9px/1.2 var(--tl-font-mono,"JetBrains Mono",monospace);letter-spacing:.14em; }
.dialog-head h2 { margin:3px 0 0;font:600 24px/1.2 var(--tl-font-jp,"Noto Serif JP",serif); }
.dialog-section { padding:16px 20px;border-bottom:1px solid var(--selector-line); }
.dialog-section:last-child { border-bottom:0; }
.dialog-section h3 { margin:0 0 10px;font-size:14px; }
.theme-options { display:flex;gap:8px; }
.theme-options button { min-width:88px;min-height:44px;padding:8px 14px;border:1px solid var(--selector-line);border-radius:12px;background:transparent;cursor:pointer;font-weight:700; }
.theme-options button[aria-pressed="true"] { border-color:var(--tl-focus,#1f7087);background:rgba(31,112,135,.12);color:var(--tl-focus,#1f7087); }
.evidence-row { display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:12px 0;border-top:1px solid var(--selector-line); }
.evidence-row:first-child { border-top:0; }
.evidence-row b { display:block;font-size:13px; }
.evidence-row p { margin:3px 0 0;color:var(--selector-soft);font-size:12px;line-height:1.55; }
.evidence-row code { align-self:start;color:var(--selector-gold);font:700 9px/1.4 var(--tl-font-mono,"JetBrains Mono",monospace);white-space:nowrap; }

@media (max-width:820px) {
  .selector-shell { width:min(720px,calc(100% - 22px)); }
  .intro { min-height:88px;grid-template-columns:1fr;gap:4px;align-content:end; }
  .intro-note { max-width:none;margin:0;text-align:left;font-size:12px; }
  .intro h1 { font-size:clamp(32px,7vw,48px); }
  .shelf-frame { padding:13px 13px 10px; }
  .shelf { grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 12px; }
  .book { height:clamp(210px,28vh,248px);padding:16px 12px 12px 32px; }
  .book__glyph { margin:7px 0 1px;font-size:clamp(44px,10vw,58px); }
  .book__ja { min-height:23px;font-size:9px; }
  .book__title { font-size:clamp(16px,3vw,20px); }
  .book__status { padding-top:7px; }
  .book__status small { font-size:9px; }
  .book__action { margin-top:5px;font-size:9px; }
  .shelf-line { height:10px;margin-top:7px; }
}
@media (max-width:520px) {
  .selector-shell { width:calc(100% - 16px);padding-top:calc(env(safe-area-inset-top) + 7px);gap:8px; }
  .topbar { min-height:54px;border-radius:18px;padding:5px; }
  .brand-lockup { display:block; }
  .brand-lockup span { display:block;margin-bottom:2px;font-size:8px; }
  .brand-lockup b { display:block;font-size:13px; }
  .settings-control { width:44px;padding:0;font-size:0; }
  .settings-control span:first-child { font-size:17px; }
  .intro { min-height:92px;padding:3px 6px 0; }
  .eyebrow { font-size:8px;margin-bottom:3px; }
  .intro h1 { font-size:30px;line-height:1.02; }
  .intro-note { max-width:38ch;font-size:10px;line-height:1.45; }
  .shelf-frame { padding:9px 8px 8px;border-radius:22px; }
  .shelf { gap:7px; }
  .book { height:clamp(190px,25.5vh,216px);min-height:188px;padding:12px 8px 9px 27px;border-radius:4px 10px 10px 4px; }
  .book::before { width:20px; }
  .book__spine { left:5px;top:10px;font-size:6px; }
  .book__top { font-size:8px; }
  .book__glyph { margin:5px 0 0;font-size:39px; }
  .book__ja { min-height:20px;font-size:8px;line-height:1.35; }
  .book__title { margin-top:2px;font-size:15.5px;line-height:1.04; }
  .book__status { padding-top:5px; }
  .book__status b { font-size:10.5px; }
  .book__status small { margin-top:2px;font-size:8.5px;line-height:1.3; }
  .book__action { margin-top:4px;font-size:8.5px; }
  .source-note { font-size:7px; }
  .source-note span { width:17px;height:17px; }
  .dialog-head { padding:14px; }
  .dialog-head h2 { font-size:19px; }
  .dialog-section { padding:14px; }
  .evidence-row { grid-template-columns:1fr;gap:5px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important; }
  .book:hover { transform:none; }
}
@media (prefers-reduced-transparency:reduce) {
  .topbar,.shelf-frame,.settings-dialog { -webkit-backdrop-filter:none;backdrop-filter:none;background:var(--selector-paper); }
}