/* ==========================================================================
   KOIKOKO · 六号展厅
   A nocturnal exhibition for six model-made pages.
   ========================================================================== */

:root {
  color-scheme: dark;

  --bg: #131118;
  --bg-soft: #17151d;
  --surface: #1b1821;
  --surface-2: #211d28;
  --ink: #f1ece4;
  --muted: #9a939f;
  --faint: #857e91;
  --line: rgba(241, 236, 228, .13);
  --line-soft: rgba(241, 236, 228, .07);
  --line-strong: rgba(241, 236, 228, .3);
  --accent: #d9b78b;
  --accent-soft: rgba(217, 183, 139, .14);
  --on-accent: #19151d;
  --stage: #0d0c11;
  --glow: rgba(217, 183, 139, .1);
  --grain: .05;

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", "Consolas", ui-monospace, monospace;

  --max: 1400px;
  --pad: clamp(20px, 4vw, 56px);
  --topbar-h: 68px;
  --radius: 10px;
  --ease: cubic-bezier(.19, 1, .22, 1);
}

html[data-theme="paper"] {
  color-scheme: light;
  --bg: #f2eee6;
  --bg-soft: #f7f2e9;
  --surface: #fffdf8;
  --surface-2: #f5f0e6;
  --ink: #221f27;
  --muted: #6f6877;
  --faint: #7a7280;
  --line: rgba(34, 31, 39, .15);
  --line-soft: rgba(34, 31, 39, .11);
  --line-strong: rgba(34, 31, 39, .34);
  --accent: #9a6735;
  --accent-soft: rgba(154, 103, 53, .12);
  --on-accent: #fbf7ef;
  --stage: #e4ded2;
  --glow: rgba(255, 255, 255, .5);
  --grain: .035;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .6s var(--ease), color .6s var(--ease);
}

h1, h2, h3, p, dl, dd, figure { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
[hidden] { display: none !important; }

button, a, select { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--accent); color: var(--on-accent); }

.skip {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--on-accent);
  font: 11px/1 var(--font-mono);
  letter-spacing: .08em;
  transform: translateY(-160%);
  transition: transform .25s var(--ease);
}
.skip:focus-visible { transform: none; }

/* Paper grain -------------------------------------------------------------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: var(--grain);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

/* ==========================================================================
   Top bar
   ========================================================================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 var(--pad);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 93%, transparent);
  backdrop-filter: blur(22px) saturate(1.3);
  -webkit-backdrop-filter: blur(22px) saturate(1.3);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  display: block;
  color: var(--accent);
  width: 40px;
  height: 40px;
  transition: transform .8s var(--ease);
}
.brand-mark svg { width: 100%; height: 100%; }
.brand:hover .brand-mark { transform: rotate(60deg); }
.brand-text {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .22em;
  line-height: 1.2;
}
.brand-text em {
  font: 400 8px/1.4 var(--font-mono);
  font-style: normal;
  letter-spacing: .18em;
  color: var(--faint);
  margin-top: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-inline: auto;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
}
.nav button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  transition: color .3s, background-color .3s;
}
.nav button:hover { color: var(--ink); }
.nav button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}
.nav-no {
  font: 9px/1 var(--font-mono);
  opacity: .6;
}
.nav-arrow { font-size: 10px; opacity: .7; }

.topbar-side {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-shrink: 0;
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font: 10px/1 var(--font-mono);
  letter-spacing: .1em;
  color: var(--faint);
}
.status i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: pulse 3.2s ease-in-out infinite;
}

.lamp {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 10px/1 var(--font-mono);
  letter-spacing: .12em;
  color: var(--muted);
  transition: border-color .3s, color .3s, background-color .3s;
}
.lamp:hover { border-color: var(--line-strong); color: var(--ink); }
.lamp-glyph {
  position: relative;
  display: block;
  width: 13px; height: 13px;
  border-radius: 50%;
  border: 1px solid currentColor;
  overflow: hidden;
}
.lamp-glyph i {
  position: absolute;
  inset: 0;
  background: currentColor;
  clip-path: inset(0 0 0 50%);
  transition: clip-path .5s var(--ease), background-color .3s;
}
html[data-theme="paper"] .lamp-glyph i { clip-path: inset(0 50% 0 0); background: transparent; }
html[data-theme="paper"] .lamp-glyph::after {
  content: "";
  position: absolute;
  inset: 0;
  background: currentColor;
  clip-path: inset(0 0 0 50%);
}

/* ==========================================================================
   Hero
   ========================================================================== */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.hero-copy { min-width: 0; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
  padding: clamp(56px, 8.5vw, 108px) 0 clamp(40px, 5vw, 64px);
  background: radial-gradient(46% 60% at 74% 46%, var(--glow), transparent 72%);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 10px/1 var(--font-mono);
  letter-spacing: .2em;
  color: var(--accent);
  margin-bottom: clamp(22px, 3vw, 34px);
}
.eyebrow-rule {
  display: block;
  width: 34px; height: 1px;
  background: currentColor;
  opacity: .55;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(40px, 5.6vw, 82px);
  line-height: 1.22;
  letter-spacing: .035em;
  text-wrap: balance;
}
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero h1 .line > span {
  display: block;
  transform: translateY(110%);
  animation: rise 1.15s var(--ease) forwards;
}
.hero h1 .line:nth-child(2) > span { animation-delay: .12s; }
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero h1 em::after {
  content: "✳";
  display: inline-block;
  font-size: .28em;
  vertical-align: super;
  margin-left: .4em;
  color: var(--accent);
  opacity: .8;
}

.lead {
  max-width: 34em;
  margin-top: clamp(22px, 3vw, 30px);
  font-size: 13px;
  line-height: 2.1;
  color: var(--muted);
  opacity: 0;
  animation: fade-up .9s var(--ease) .5s forwards;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  max-width: 660px;
  margin-top: clamp(30px, 4vw, 44px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  opacity: 0;
  animation: fade-up .9s var(--ease) .65s forwards;
}
.hero-meta dt {
  font: 9px/1 var(--font-mono);
  letter-spacing: .18em;
  color: var(--faint);
  margin-bottom: 9px;
}
.hero-meta dd {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--ink);
  white-space: nowrap;
}

/* Seal ornament ------------------------------------------------------------ */
.seal {
  position: relative;
  justify-self: center;
  width: min(100%, 400px);
  opacity: 0;
  animation: seal-in 1.6s var(--ease) .25s forwards;
}
.seal-ring {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  color: var(--ink);
  overflow: visible;
}
.seal-orbit { fill: none; stroke: var(--line); stroke-width: 1; }
.seal-orbit-dash {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 1 7;
  opacity: .9;
}
.seal-arc {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 80 875;
  opacity: .6;
  transform-origin: 160px 160px;
  animation: spin 44s linear infinite;
}
.seal-web polygon {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: .7;
  opacity: .4;
}
.seal-node { transition: r .4s var(--ease); }
.seal-num {
  font-family: var(--font-mono);
  font-size: 6.5px;
  letter-spacing: .08em;
  fill: var(--faint);
}
.seal-core {
  font-family: var(--font-serif);
  font-size: 68px;
  letter-spacing: -.02em;
  fill: var(--ink);
}
.seal-core-sub {
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: .5em;
  fill: var(--faint);
}
.seal-caption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  font: 8px/1 var(--font-mono);
  letter-spacing: .2em;
  color: var(--faint);
}
.seal-side {
  position: absolute;
  top: 50%;
  right: -26px;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font: 8px/1 var(--font-mono);
  letter-spacing: .32em;
  color: var(--faint);
  opacity: .7;
}

/* Ticker ------------------------------------------------------------------ */
.ticker {
  position: relative;
  margin: 0 calc(50% - 50vw);
  border-block: 1px solid var(--line);
  overflow: hidden;
  padding: 13px 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: marquee 46s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker span {
  font: 10px/1 var(--font-mono);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
  padding-right: 24px;
}
.ticker span::after {
  content: "✳";
  margin-left: 24px;
  color: var(--accent);
  opacity: .55;
}

/* ==========================================================================
   Section chrome
   ========================================================================== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(48px, 6vw, 76px) 0 18px;
  border-bottom: 1px solid var(--line);
}
.sec-label {
  font: 10px/1 var(--font-mono);
  letter-spacing: .22em;
  color: var(--faint);
  margin-bottom: 14px;
}
.sec-label span { color: var(--accent); margin: 0 6px; }
.section-id h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.3;
  letter-spacing: .05em;
}
.section-aside {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  text-align: right;
}
.sec-note {
  font-size: 10.5px;
  line-height: 1.9;
  color: var(--faint);
}
.count-pill {
  display: grid;
  place-items: center;
  min-width: 38px;
  height: 30px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font: 11px/1 var(--font-mono);
  letter-spacing: .1em;
  color: var(--accent);
}

/* Toolbar ----------------------------------------------------------------- */
.toolbar {
  position: sticky;
  top: var(--topbar-h);
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line-soft);
}
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.filters button,
.layout-switch button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: 10px/1 var(--font-mono);
  letter-spacing: .1em;
  color: var(--faint);
  transition: color .25s, border-color .25s, background-color .25s;
}
.filters button:hover,
.layout-switch button:hover { color: var(--ink); }
.filters button[aria-pressed="true"] {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--surface-2);
}
.filters button b {
  font-weight: 400;
  font-size: 9px;
  opacity: .55;
}
.layout-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  flex-shrink: 0;
}
.layout-switch button { padding: 7px 15px; color: var(--muted); }
.layout-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}

/* ==========================================================================
   Gallery
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px) clamp(18px, 2.2vw, 30px);
  padding: clamp(26px, 3.4vw, 42px) 0 10px;
}

.work-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-soft) 100%);
  transition: border-color .4s, background-color .4s, transform .5s var(--ease);
  opacity: 0;
  transform: translateY(22px);
}
.work-card::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: var(--model, var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .7s var(--ease);
}
.work-card.in {
  opacity: 1;
  transform: none;
  animation: card-in .95s var(--ease) both;
  animation-delay: var(--d, 0ms);
}
.work-card:hover { border-color: var(--line-strong); }
.work-card:hover::before { transform: scaleX(1); }

.card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 2px 13px;
}
.card-index {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--faint);
  transition: color .3s;
}
.work-card:hover .card-index { color: var(--accent); }
.card-provider {
  font: 9px/1 var(--font-mono);
  letter-spacing: .16em;
  color: var(--faint);
  margin-top: 6px;
}
.card-dot {
  margin-left: auto;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--model);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--model) 18%, transparent);
}

.frame-wrap {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--stage);
  overflow: hidden;
  transition: border-color .4s;
}
.work-card:hover .frame-wrap { border-color: var(--line-strong); }
.frame-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .035);
  border-radius: inherit;
}

.frame-chrome {
  display: flex;
  align-items: center;
  gap: 5px;
  height: 25px;
  padding: 0 10px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--faint);
}
.frame-chrome i {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: currentColor;
  opacity: .5;
}
.frame-chrome span {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font: 8px/1 var(--font-mono);
  letter-spacing: .08em;
  color: var(--faint);
  max-width: 70%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.frame-stage {
  position: relative;
  overflow: hidden;
  background: var(--stage);
  min-height: 80px;
}
.frame-stage iframe {
  position: absolute;
  top: 0; left: 0;
  border: 0;
  transform-origin: top left;
  background: #fff;
  opacity: 0;
  transition: opacity .7s ease;
}
.frame-stage.is-ready iframe { opacity: 1; }

.veil {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  top: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  opacity: 0;
  transition: opacity .4s var(--ease);
}
.veil span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(6px);
  font: 10px/1 var(--font-mono);
  letter-spacing: .14em;
  color: var(--ink);
  transform: translateY(6px);
  transition: transform .5s var(--ease);
}
.veil em { font-style: normal; color: var(--accent); }
.work-card:hover .veil,
.veil:focus-visible { opacity: 1; }
.work-card:hover .veil span { transform: none; }

.card-body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding-top: 15px;
}
.card-title h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: .03em;
}
.card-sub {
  margin-top: 5px;
  font: 9.5px/1.7 var(--font-mono);
  letter-spacing: .06em;
  color: var(--faint);
}
.card-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 2px;
}
.act {
  position: relative;
  font: 10px/1 var(--font-mono);
  letter-spacing: .1em;
  color: var(--muted);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
  white-space: nowrap;
}
.act:hover { color: var(--ink); border-color: var(--accent); }
.act em { font-style: normal; color: var(--accent); margin-left: 4px; }

.empty {
  padding: 60px 0 80px;
  text-align: center;
  color: var(--faint);
  font-size: 12px;
  letter-spacing: .08em;
}

/* List layout -------------------------------------------------------------- */
html[data-layout="list"] .gallery-grid {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding-top: 0;
  border-top: 1px solid var(--line);
}
html[data-layout="list"] .work-card {
  display: grid;
  grid-template-columns: minmax(0, 310px) minmax(0, 1fr);
  grid-template-areas: "stage head" "stage body";
  align-items: start;
  align-content: start;
  grid-template-rows: auto 1fr;
  gap: 0 clamp(28px, 4vw, 56px);
  padding: 30px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: none;
  transform: none;
}
html[data-layout="list"] .work-card::before { top: auto; bottom: -1px; height: 1px; }
html[data-layout="list"] .work-card .frame-wrap { grid-area: stage; }
html[data-layout="list"] .card-head {
  grid-area: head;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line-soft);
}
html[data-layout="list"] .card-body {
  grid-area: body;
  align-items: flex-start;
  padding-top: 18px;
}
html[data-layout="list"] .card-title h3 { font-size: 22px; }
html[data-layout="list"] .card-sub { font-size: 10px; }
html[data-layout="list"] .card-actions { margin-left: auto; padding-top: 4px; }
html[data-layout="list"] .card-index { font-size: 28px; }

/* ==========================================================================
   Compare
   ========================================================================== */
.compare-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 22px 0 26px;
}
.segmented {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.segmented button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: 999px;
  font: 10px/1 var(--font-mono);
  letter-spacing: .1em;
  color: var(--faint);
  transition: color .25s, background-color .25s;
}
.segmented button:hover { color: var(--ink); }
.segmented button span { font-size: 9px; opacity: .5; }
.segmented button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

.tools { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tool {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 10px/1 var(--font-mono);
  letter-spacing: .08em;
  color: var(--muted);
  transition: color .25s, border-color .25s, background-color .25s;
}
.tool:hover { color: var(--ink); border-color: var(--line-strong); background: var(--surface); }
.tool span { color: var(--accent); }

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 26px);
}
.compare-panel {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}
.panel-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line-soft);
}
.plate {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  font: 11px/1 var(--font-mono);
  letter-spacing: .06em;
  color: var(--accent);
}
.select {
  position: relative;
  min-width: 0;
}
.select label {
  display: block;
  font: 9px/1 var(--font-mono);
  letter-spacing: .16em;
  color: var(--faint);
  margin-bottom: 6px;
}
.select select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: 0;
  padding: 0 22px 2px 0;
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: .03em;
  color: var(--ink);
  cursor: pointer;
  text-overflow: ellipsis;
}
.select::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 10px;
  width: 6px; height: 6px;
  border-right: 1px solid var(--faint);
  border-bottom: 1px solid var(--faint);
  transform: rotate(45deg);
  pointer-events: none;
}
.open-work {
  font: 9.5px/1 var(--font-mono);
  letter-spacing: .1em;
  color: var(--muted);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
  transition: color .25s, border-color .25s;
}
.open-work:hover { color: var(--accent); border-color: var(--accent); }

.compare-panel .frame-wrap {
  margin: 12px;
  border-radius: 3px;
}
.panel-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 18px 16px;
  font: 9.5px/1.6 var(--font-mono);
  letter-spacing: .05em;
  color: var(--faint);
}
.viewport-value { color: var(--accent); opacity: .7; white-space: nowrap; }

.compare-foot {
  padding: 22px 0 0;
  font-size: 10.5px;
  color: var(--faint);
  letter-spacing: .04em;
}

#gallery-view, #compare-view { scroll-margin-top: calc(var(--topbar-h) + 16px); }

body[data-view="compare"] .hero { display: none; }
body[data-view="compare"] .ticker { display: none; }
body[data-view="compare"] .section-head { padding-top: clamp(34px, 5vw, 56px); }

/* ==========================================================================
   Closing + footer
   ========================================================================== */
.closing {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-top: clamp(60px, 8vw, 110px);
  padding: clamp(56px, 8vw, 96px) 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.closing-mark {
  position: absolute;
  right: 22%;
  top: 50%;
  font-size: clamp(90px, 14vw, 180px);
  line-height: 1;
  color: var(--accent);
  opacity: .09;
  transform: translateY(-50%);
  animation: spin 60s linear infinite;
  pointer-events: none;
}
.closing-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.4vw, 56px);
  line-height: 1.3;
  letter-spacing: .05em;
}
.closing-sub {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .04em;
}
.closing-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font: 10px/1 var(--font-mono);
  letter-spacing: .14em;
  color: var(--muted);
  white-space: nowrap;
  transition: color .3s, border-color .3s, background-color .3s;
}
.closing-link:hover { color: var(--ink); border-color: var(--line-strong); background: var(--surface); }
.closing-link span { color: var(--accent); }

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px var(--pad) 34px;
  border-top: 1px solid var(--line);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
}
.footer-brand em {
  font: 400 9.5px/1.6 var(--font-mono);
  font-style: normal;
  letter-spacing: .04em;
  color: var(--faint);
  margin-left: 14px;
}
.footer-mark { color: var(--accent); font-size: 14px; }
.footer-meta {
  display: flex;
  align-items: center;
  gap: 26px;
  font: 9.5px/1.8 var(--font-mono);
  letter-spacing: .05em;
  color: var(--faint);
}
.footer-folio { color: var(--accent); }

/* Toast ------------------------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 120;
  margin: 0;
  padding: 12px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(12px);
  font: 10px/1 var(--font-mono);
  letter-spacing: .08em;
  color: var(--ink);
  box-shadow: 0 24px 60px -24px rgba(0, 0, 0, .7);
  transform: translate(-50%, 20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s, transform .45s var(--ease);
}
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

/* ==========================================================================
   Motion
   ========================================================================== */
@keyframes rise {
  from { transform: translateY(110%); }
  to { transform: none; }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes seal-in {
  from { opacity: 0; transform: scale(.94); }
  to { opacity: 1; transform: none; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1180px) {
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { grid-template-columns: minmax(0, 1.15fr) minmax(240px, .85fr); gap: 32px; }
  .hero-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 16px; }
  .hero h1 { font-size: clamp(38px, 5.4vw, 64px); }
}

@media (max-width: 900px) {
  :root { --topbar-h: 60px; }
  .status { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-top: 48px; gap: 44px; }
  .seal { width: min(70%, 320px); justify-self: start; }
  .seal-side { display: none; }
  .compare-grid { grid-template-columns: minmax(0, 1fr); }
  .closing { flex-direction: column; align-items: flex-start; gap: 26px; }
  .closing-mark { right: 10%; opacity: .07; }
  footer { flex-direction: column; align-items: flex-start; gap: 14px; }
  .footer-brand { flex-wrap: wrap; }
}

@media (max-width: 720px) {
  :root { --pad: 20px; }
  .topbar { gap: 12px; }
  .brand-text { font-size: 11px; letter-spacing: .16em; }
  .brand-text em { font-size: 7px; letter-spacing: .12em; }
  .brand-mark { width: 32px; height: 32px; }
  .nav { margin-left: auto; padding: 3px; }
  .nav button { padding: 7px 12px; font-size: 11px; gap: 6px; }
  .nav-no { display: none; }
  .topbar-side { gap: 10px; }
  .lamp { padding: 7px 11px; }
  .lamp-text { display: none; }
  .lamp-glyph { width: 14px; height: 14px; }

  .hero { padding: 40px 0 36px; }
  .hero h1 { font-size: clamp(34px, 10.5vw, 46px); line-height: 1.3; }
  .lead { font-size: 12px; line-height: 2; }
  .hero-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .hero-meta dd { font-size: 12px; }
  .seal { width: min(78%, 280px); }

  .section-head { flex-direction: column; align-items: flex-start; gap: 14px; padding-top: 44px; }
  .section-aside { width: 100%; justify-content: space-between; text-align: left; align-items: center; }
  .sec-note { line-height: 1.8; }
  .toolbar { gap: 8px; flex-wrap: nowrap; padding: 12px 0; }
  .filters {
    flex-wrap: nowrap;
    flex: 1 1 auto;
    min-width: 0;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    mask-image: linear-gradient(90deg, #000 88%, transparent);
    -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent);
  }
  .filters::-webkit-scrollbar { display: none; }
  .filters button { padding: 7px 10px; font-size: 9px; flex: 0 0 auto; }
  .layout-switch button { padding: 6px 11px; font-size: 9px; }

  .gallery-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; padding-top: 24px; }
  .work-card { padding: 0 12px 14px; }
  .card-body { flex-wrap: wrap; gap: 10px; }
  .card-actions { margin-left: auto; }
  .card-title h3 { font-size: 18px; }

  html[data-layout="list"] .work-card {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "head" "stage" "body";
    gap: 0;
    padding: 20px 0;
  }
  html[data-layout="list"] .card-head { padding-bottom: 12px; }
  html[data-layout="list"] .card-body { flex-wrap: wrap; padding-top: 14px; }
  html[data-layout="list"] .card-actions { margin-left: 0; }

  .compare-toolbar { flex-direction: column; align-items: stretch; gap: 12px; padding: 18px 0; }
  .segmented { align-self: flex-start; }
  .segmented button { padding: 7px 12px; }
  .tools { justify-content: space-between; }
  .tool { padding: 8px 12px; }
  .panel-head { grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; padding: 14px; }
  .panel-head .open-work { font-size: 9px; letter-spacing: .04em; }
  .panel-foot { padding: 0 14px 14px; }
  .compare-panel .frame-wrap { margin: 10px; }

  .closing { margin-top: 48px; padding: 44px 0; }
  .closing-title { font-size: 30px; }
  .closing-sub { font-size: 11px; }
  .closing-link { padding: 11px 18px; }
  footer { padding: 22px var(--pad) 28px; }
  .footer-brand { gap: 8px; font-size: 10px; }
  .footer-brand em { margin-left: 0; width: 100%; }
  .footer-meta { flex-direction: column; align-items: flex-start; gap: 4px; }
  .toast { left: var(--pad); right: var(--pad); bottom: 16px; transform: translateY(20px); text-align: center; }
  .toast.visible { transform: none; }
}

@media (max-width: 400px) {
  .hero h1 { font-size: 32px; }
}

@media (hover: none) {
  .veil {
    inset: 25px 0 0;
    justify-content: flex-end;
    align-items: flex-end;
    padding: 8px;
    background: none;
    opacity: 1;
  }
  .veil span {
    padding: 6px 10px;
    font-size: 8px;
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    border-color: var(--line);
  }
  .veil em { display: none; }
  .work-card:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .hero h1 .line > span,
  .lead,
  .hero-meta,
  .seal { opacity: 1; transform: none; }
  .work-card { opacity: 1; transform: none; }
}