/* wgpudawn example gallery: shared styles of index.html and run.html.
   Dark first (the content is 3D renders), light via prefers-color-scheme.
   No external fonts or assets. */

:root {
  color-scheme: dark;
  --bg: #090a0c;
  --bg-1: #0f1114;
  --bg-2: #15181d;
  --bg-3: #1c2027;
  --line: #20242b;
  --line-2: #2f343e;
  --fg: #eceef2;
  --fg-2: #a3aab7;
  --fg-3: #6b7381;
  --accent: #ffa24a;
  --accent-soft: rgba(255, 162, 74, .14);
  --accent-ink: #1b0f02;
  --bad: #ec8176;
  --bad-soft: rgba(236, 129, 118, .12);
  --good: #6fcf97;
  --shadow: 0 1px 0 rgba(255, 255, 255, .03) inset, 0 18px 40px -18px rgba(0, 0, 0, .8);
  --bar: rgba(9, 10, 12, .9);
  /* code */
  --c-comment: #6b7381;
  --c-string: #b5d08a;
  --c-number: #f0a875;
  --c-keyword: #ffa24a;
  --c-def: #8cc4ff;
  --c-builtin: #c7a8f0;
  --radius: 12px;
  --radius-s: 8px;
  --page: 1400px;
  --gutter: clamp(16px, 4vw, 40px);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f6f5f1;
    --bg-1: #ffffff;
    --bg-2: #eeece6;
    --bg-3: #e5e2da;
    --line: #e1ded6;
    --line-2: #cbc7bd;
    --fg: #15171b;
    --fg-2: #525862;
    --fg-3: #7d838d;
    --accent: #bd4d08;
    --accent-soft: rgba(189, 77, 8, .1);
    --accent-ink: #ffffff;
    --bad: #b03a2e;
    --bad-soft: rgba(176, 58, 46, .08);
    --good: #1f8a52;
    --shadow: 0 14px 30px -18px rgba(40, 30, 10, .35);
    --bar: rgba(246, 245, 241, .92);
    --c-comment: #7d838d;
    --c-string: #3f7a1c;
    --c-number: #a8500f;
    --c-keyword: #bd4d08;
    --c-def: #1c5fae;
    --c-builtin: #7a45b8;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1, h2, h3, p, figure, ul, ol, dl, dd, pre { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg, canvas { display: block; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
code, kbd, .mono { font-family: var(--mono); font-size: .92em; }
::selection { background: var(--accent); color: var(--accent-ink); }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--page); margin: 0 auto; padding: 0 var(--gutter); }
.icon { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.link { color: var(--fg); text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 3px; transition: text-decoration-color .15s, color .15s; }
.link:hover { color: var(--accent); text-decoration-color: currentColor; }

/* ---------------------------------------------------------------- top bar */

.bar {
  position: sticky; top: 0; z-index: 30;
  background: var(--bar);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.home .bar { position: static; }
/* One document, two views (app.js): the gallery and the viewer of one example */
.home #view-run, .home #foot-run, .home #nav-run, .run #view-home, .run #foot-home, .run #nav-home { display: none; }
.bar .wrap { display: flex; align-items: center; gap: 16px; height: 56px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: -.015em; white-space: nowrap; }
.brand .mark { width: 22px; height: 22px; color: var(--accent); }
.brand span { color: var(--fg-3); font-weight: 450; }
.bar nav { margin-left: auto; display: flex; align-items: center; gap: 4px; min-width: 0; }
.bar .ghost {
  display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px;
  border-radius: 8px; color: var(--fg-2); font-size: 14px; white-space: nowrap; min-width: 0;
  transition: background .15s, color .15s;
}
.bar .ghost:hover { background: var(--bg-2); color: var(--fg); }
.bar .ghost .icon { font-size: 18px; }
.bar .ghost span { overflow: hidden; text-overflow: ellipsis; max-width: 22ch; }

/* ------------------------------------------------------------------- hero */

.hero { position: relative; padding: clamp(36px, 6vw, 84px) 0 clamp(36px, 5vw, 64px); }
.hero::before {
  /* one quiet glow on the horizon, behind the live canvas */
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background: radial-gradient(60% 70% at 78% 30%, var(--accent-soft), transparent 70%);
}
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.hero h1 { margin-top: 20px; font-size: clamp(2.5rem, 5.4vw, 4.6rem); line-height: .98; letter-spacing: -.045em; font-weight: 680; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--fg-3); }
@media (prefers-color-scheme: dark) { .hero h1 em { color: #7f8896; } }
.lede { margin-top: 22px; max-width: 34em; font-size: clamp(1rem, 1.25vw, 1.15rem); color: var(--fg-2); text-wrap: pretty; }
.lede a { color: var(--fg); }

.tally { margin-top: 34px; max-width: 30em; }
.tally .num { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.tally strong { font-size: clamp(2rem, 3.4vw, 2.75rem); line-height: 1; font-weight: 680; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.tally strong small { font-size: .5em; font-weight: 500; color: var(--fg-3); letter-spacing: -.01em; margin-left: .2em; }
.tally .what { color: var(--fg-2); font-size: 15px; }
.meter { display: flex; gap: 3px; height: 6px; margin-top: 14px; }
.meter i { display: block; height: 100%; min-width: 3px; border-radius: 3px; background: var(--line-2); }
.meter .ok { background: var(--accent); }
.meter .fail { background: var(--bad); opacity: .75; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 12px; font-size: 13px; color: var(--fg-3); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend span::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--line-2); }
.legend .ok::before { background: var(--accent); }
.legend .fail::before { background: var(--bad); opacity: .75; }

.versions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.versions li, .versions a {
  display: inline-flex; align-items: baseline; gap: 8px; padding: 6px 10px;
  border: 1px solid var(--line); border-radius: 7px; background: var(--bg-1);
  font: 12px/1.3 var(--mono); color: var(--fg); white-space: nowrap;
}
.versions li:has(a) { padding: 0; border: 0; background: none; }
.versions a { transition: border-color .15s; }
.versions a:hover { border-color: var(--line-2); }
.versions b { font-weight: 400; color: var(--fg-3); }

.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 16px;
  border-radius: 10px; border: 1px solid var(--line-2); background: var(--bg-1); color: var(--fg);
  font-size: 14.5px; font-weight: 550; white-space: nowrap;
  transition: background .15s, border-color .15s, transform .15s;
}
.btn:hover { border-color: var(--fg-3); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.07); }
.btn .icon { font-size: 17px; }
.btn.small { height: 34px; padding: 0 12px; font-size: 13.5px; border-radius: 8px; }

/* the live example */
.live { min-width: 0; }
.frame {
  position: relative; overflow: hidden; background: #000; color: #eceef2;
  border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.live .frame { display: block; aspect-ratio: 16 / 10; }
.frame .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
/* rendercanvas puts a size in the style attribute of the canvas; the frame decides instead */
.frame canvas {
  position: absolute; inset: 0;
  width: 100% !important; height: 100% !important; max-width: none !important; max-height: none !important;
  touch-action: none;
}
.live canvas { pointer-events: none; opacity: 0; transition: opacity .6s ease; }
.live.running canvas { opacity: 1; }
.live figcaption { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 13.5px; color: var(--fg-3); min-width: 0; }
.live figcaption .t { color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.live figcaption .s { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.live figcaption .go { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--fg-2); white-space: nowrap; }
.live figcaption .go:hover { color: var(--accent); }
.pill {
  display: inline-flex; align-items: center; gap: 7px; height: 22px; padding: 0 9px; border-radius: 999px; flex: none;
  font: 500 11px/1 var(--mono); letter-spacing: .07em; text-transform: uppercase;
  background: var(--bg-2); color: var(--fg-2); border: 1px solid var(--line);
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--fg-3); }
.pill.on { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-soft); }
.pill.on::before { background: var(--accent); animation: pulse 2s ease-in-out infinite; }
.pill.busy::before { background: var(--accent); animation: pulse .9s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.play {
  position: absolute; left: 14px; bottom: 14px; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 14px 0 12px;
  border-radius: 999px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(10, 11, 13, .72); color: #fff;
  font-size: 14px; font-weight: 550;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  transition: background .15s, border-color .15s;
}
.play:hover { background: rgba(10, 11, 13, .9); border-color: rgba(255, 255, 255, .5); }
.play .icon { fill: currentColor; stroke: none; font-size: 14px; }

/* ---------------------------------------------------------------- toolbar */

.tools {
  position: sticky; top: 0; z-index: 20;
  background: var(--bar);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.tools .wrap { display: flex; align-items: center; gap: 12px 16px; min-height: 60px; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
.chips { display: flex; gap: 6px; min-width: 0; overflow-x: auto; scrollbar-width: none; margin: -4px; padding: 4px; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 13px; flex: none;
  border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--fg-2);
  font-size: 14px; font-weight: 500; white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s;
}
.chip:hover { color: var(--fg); border-color: var(--line-2); }
.chip small { font: 12px var(--mono); color: var(--fg-3); font-variant-numeric: tabular-nums; }
.chip[aria-pressed="true"] { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.chip[aria-pressed="true"] small { color: inherit; opacity: .6; }
.tools .right { display: flex; align-items: center; gap: 12px 16px; margin-left: auto; flex-wrap: wrap; min-width: 0; }
.search { position: relative; display: flex; align-items: center; flex: 1 1 240px; min-width: 0; }
.search .icon { position: absolute; left: 12px; font-size: 16px; color: var(--fg-3); pointer-events: none; }
.search input {
  width: 100%; min-width: 0; height: 36px; padding: 0 36px 0 36px;
  border-radius: 9px; border: 1px solid var(--line); background: var(--bg-1); color: var(--fg);
  font-size: 14px; transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none; appearance: none;
}
.search input::placeholder { color: var(--fg-3); }
.search input:hover { border-color: var(--line-2); }
.search input:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.search kbd {
  position: absolute; right: 9px; padding: 1px 6px; border-radius: 5px; border: 1px solid var(--line-2);
  font-size: 11px; color: var(--fg-3); pointer-events: none;
}
.search input:focus ~ kbd, .search input:not(:placeholder-shown) ~ kbd { display: none; }
.switch { display: inline-flex; align-items: center; gap: 9px; font-size: 14px; color: var(--fg-2); cursor: pointer; white-space: nowrap; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch i { position: relative; width: 32px; height: 18px; border-radius: 999px; background: var(--line-2); transition: background .15s; flex: none; }
.switch i::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--bg-1); transition: transform .15s; }
.switch input:checked + i { background: var(--accent); }
.switch input:checked + i::after { transform: translateX(14px); }
.switch input:focus-visible + i { outline: 2px solid var(--accent); outline-offset: 3px; }
.switch .narrow { display: none; }
.switch small { font: 12px var(--mono); color: var(--fg-3); }

/* ------------------------------------------------------------------- grid */

.gallery { padding: 8px 0 72px; min-height: 60vh; }
.group { padding-top: 44px; scroll-margin-top: 70px; }
.group > header { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; }
.group h2 { font-size: 1.35rem; letter-spacing: -.025em; font-weight: 650; }
.group header span { font: 13px var(--mono); color: var(--fg-3); font-variant-numeric: tabular-nums; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(248px, 44%), 1fr)); gap: 26px 18px; }

.card { display: block; min-width: 0; border-radius: var(--radius-s); }
.card:focus-visible { outline-offset: 5px; }
.thumb {
  position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden;
  border-radius: var(--radius-s); background: #050506;
  box-shadow: 0 0 0 1px var(--line);
  transition: box-shadow .2s, transform .25s cubic-bezier(.2, .7, .2, 1);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.2, .7, .2, 1); }
.card:hover .thumb, .card:focus-visible .thumb { box-shadow: 0 0 0 1px var(--accent), 0 16px 32px -18px rgba(0, 0, 0, .7); transform: translateY(-2px); }
.card:hover .thumb img { transform: scale(1.045); }
.thumb .tag {
  position: absolute; top: 8px; left: 8px; display: inline-flex; align-items: center; gap: 5px;
  height: 20px; padding: 0 7px; border-radius: 5px;
  background: rgba(8, 9, 11, .72); color: #e9ebef; font: 500 10.5px/1 var(--mono); letter-spacing: .05em; text-transform: uppercase;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.thumb .tag .icon { fill: currentColor; stroke: none; font-size: 8px; }
.thumb .desc {
  position: absolute; inset: auto 0 0 0; padding: 34px 12px 11px;
  background: linear-gradient(to top, rgba(5, 5, 6, .92) 35%, rgba(5, 5, 6, 0));
  color: #dfe2e8; font-size: 12.5px; line-height: 1.4;
  opacity: 0; transform: translateY(6px); transition: opacity .2s, transform .25s;
  pointer-events: none;
}
.thumb .desc span { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; line-clamp: 3; overflow: hidden; }
@media (hover: hover) {
  .card:hover .desc, .card:focus-visible .desc { opacity: 1; transform: none; }
}
.cap { display: block; padding: 10px 2px 0; min-width: 0; }
.cap .name { display: block; font-size: 14.5px; font-weight: 580; letter-spacing: -.01em; line-height: 1.3; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color .15s; }
.card:hover .name { color: var(--accent); }
.cap .sub { display: block; margin-top: 3px; font: 12px/1.4 var(--mono); color: var(--fg-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* no screenshot (yet), or an example that does not work: say so, quietly */
.thumb.empty { background: var(--bg-1); background-image: repeating-linear-gradient(135deg, transparent 0 9px, var(--line) 9px 10px); }
.thumb.empty > .icon { position: absolute; inset: 0; margin: auto; font-size: 26px; color: var(--fg-3); stroke-width: 1.4; }
.card.off .thumb { opacity: .62; }
.card.off .name { color: var(--fg-2); }
/* why it does not run: always readable, also without hover */
.card.off .sub { font: 12.5px/1.4 var(--font); white-space: normal; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; line-clamp: 3; overflow-wrap: anywhere; }
.card.off .tag { background: var(--bg-2); color: var(--fg-2); box-shadow: 0 0 0 1px var(--line-2); -webkit-backdrop-filter: none; backdrop-filter: none; }
.card.off.fail .tag { color: var(--bad); }
.card.off .desc { padding-top: 12px; background: var(--bg-2); color: var(--fg); font-size: 12px; line-height: 1.45; border-top: 1px solid var(--line-2); overflow-wrap: anywhere; }
.card.off .desc span { -webkit-line-clamp: 7; line-clamp: 7; }
.card.off:hover .thumb, .card.off:focus-visible .thumb { opacity: 1; box-shadow: 0 0 0 1px var(--line-2); }
.card.off:hover .name { color: var(--fg); }

.none { padding: 80px 0 40px; text-align: center; color: var(--fg-2); }
.none strong { display: block; color: var(--fg); font-size: 1.15rem; margin-bottom: 6px; letter-spacing: -.02em; overflow-wrap: anywhere; }
.none .btn { margin-top: 20px; }

/* ----------------------------------------------------------------- footer */

.foot { border-top: 1px solid var(--line); background: var(--bg-1); color: var(--fg-2); font-size: 14.5px; }
.foot .wrap { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr); gap: 32px clamp(24px, 5vw, 72px); padding-top: 52px; padding-bottom: 44px; }
.foot h3 { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 14px; }
.foot p + p { margin-top: 12px; }
.foot p { max-width: 46em; text-wrap: pretty; }
.foot li + li { margin-top: 8px; }
.foot .brand { color: var(--fg); margin-bottom: 14px; }
.foot .fine { grid-column: 1 / -1; padding-top: 22px; border-top: 1px solid var(--line); font-size: 13px; color: var(--fg-3); max-width: none; }

/* --------------------------------------------------------------- run page */

.run main { padding: 24px 0 72px; }
.stage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 340px); gap: 28px clamp(24px, 3vw, 44px); align-items: start; }
.viewer { min-width: 0; }
/* The canvas has the shape of the window that the example asks for (--aspect,
   width / height, set by run.html): some examples lay out for exactly that.
   It is as wide as fits, and never taller than the viewport. */
.run .frame {
  aspect-ratio: var(--aspect, 1.6); margin-inline: auto;
  width: min(100%, calc((100vh - 168px) * var(--aspect, 1.6)));
}
/* Full screen (Esc leaves it): the same shape, as large as the screen allows */
.run .frame:fullscreen {
  width: 100vw; height: 100vh; aspect-ratio: auto; margin: 0; border: 0; border-radius: 0; background: #000;
}
/* An example that asks for a window size gets a canvas of exactly that size
   (some lay out in pixels), scaled to fit the frame: run.html sets these */
.run .frame.fixed canvas {
  inset: 0 auto auto 0; transform-origin: 0 0;
  width: var(--canvas-w) !important; height: var(--canvas-h) !important;
}
/* The screenshot of the last check is what you see until the example draws.
   A start that takes a while (.slow, set by app.js) dims it, under the progress. */
.run .frame .poster { transition: opacity .3s ease, filter .3s ease, transform .3s ease; }
.run .frame.slow .poster { opacity: .28; filter: blur(14px) saturate(1.1); transform: scale(1.08); }
.run .frame.waiting canvas { opacity: 0; }
.run .frame:not(.slow) .overlay { display: none; }
.overlay {
  position: absolute; inset: 0; z-index: 2; display: grid; place-content: center; justify-items: center; gap: 18px;
  padding: 24px; text-align: center; background: rgba(0, 0, 0, .35);
}
.overlay p { max-width: 34em; font-size: 15px; color: #d7dae0; overflow-wrap: anywhere; }
.overlay .steps { display: flex; gap: 5px; }
.overlay .steps i { width: 22px; height: 3px; border-radius: 2px; background: rgba(255, 255, 255, .16); transition: background .3s; }
.overlay .steps i.done { background: var(--accent); }
.spinner { width: 30px; height: 30px; border-radius: 50%; border: 2.5px solid rgba(255, 255, 255, .14); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.overlay .sign { display: none; width: 44px; height: 44px; border-radius: 50%; place-items: center; font-size: 22px; }
.overlay.failed, .overlay.skipped { background: rgba(0, 0, 0, .72); }
.overlay.failed .spinner, .overlay.skipped .spinner, .overlay.failed .steps, .overlay.skipped .steps { display: none; }
.overlay.failed .sign, .overlay.skipped .sign { display: grid; }
.overlay.failed .sign { background: rgba(236, 129, 118, .16); color: #ec8176; }
.overlay.skipped .sign { background: rgba(255, 255, 255, .09); color: #c9cdd5; }
.overlay.failed p, .overlay.skipped p { font-size: 16px; color: #fff; }
.overlay .hint { font-size: 14.5px !important; color: #b4bac5 !important; max-width: 38em; }
.overlay.skipped #status { font-size: clamp(1.15rem, 2.2vw, 1.5rem); font-weight: 650; letter-spacing: -.02em; }
.overlay.skipped .hint { font-size: clamp(.95rem, 1.5vw, 1.08rem) !important; color: #dfe2e8 !important; line-height: 1.5; }
.overlay .hint:empty { display: none; }

.toast {
  position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 1; width: fit-content; max-width: calc(100% - 24px);
  display: flex; align-items: flex-start; gap: 9px; padding: 9px 13px; border-radius: 9px;
  background: rgba(22, 12, 11, .9); color: #f3c4be; border: 1px solid rgba(236, 129, 118, .35);
  font-size: 13.5px; line-height: 1.4; pointer-events: none;
}
.toast .icon { font-size: 16px; margin-top: 1px; color: #ec8176; }
.check .toast { display: none; }
.under { display: flex; align-items: center; gap: 12px; margin-top: 12px; min-height: 34px; font-size: 13.5px; color: var(--fg-3); }
.under .state { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.under .state > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.under .acts { margin-left: auto; display: flex; gap: 6px; }
.iconbtn {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg-1); color: var(--fg-2); font-size: 16px;
  transition: color .15s, border-color .15s;
}
.iconbtn:hover { color: var(--fg); border-color: var(--line-2); }
.pill.bad { color: var(--bad); background: var(--bad-soft); border-color: transparent; }
.pill.bad::before { background: var(--bad); }

.meta { min-width: 0; }
.meta .category { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.meta h1 { margin-top: 14px; font-size: clamp(1.7rem, 2.6vw, 2.3rem); line-height: 1.08; letter-spacing: -.035em; font-weight: 680; text-wrap: balance; overflow-wrap: anywhere; }
.meta #description { margin-top: 14px; color: var(--fg-2); text-wrap: pretty; overflow-wrap: anywhere; }
.facts { margin-top: 22px; border-top: 1px solid var(--line); font-size: 13.5px; }
.facts div { display: flex; gap: 16px; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--fg-3); white-space: nowrap; }
.facts dd { text-align: right; min-width: 0; overflow-wrap: anywhere; font-family: var(--mono); font-size: 12.5px; color: var(--fg); }
.facts dd.good { color: var(--good); }
.facts dd.bad { color: var(--bad); }
.meta .links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.note { margin-top: 18px; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-1); font-size: 13.5px; color: var(--fg-2); }
.note b { display: flex; align-items: center; gap: 8px; color: var(--fg); font-weight: 600; margin-bottom: 4px; }
.note b::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--bad); flex: none; }
.note p { overflow-wrap: anywhere; }
.note details { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.note summary { cursor: pointer; color: var(--fg-3); font-size: 13px; }
.note summary:hover { color: var(--fg); }
.note pre { margin-top: 10px; max-height: 260px; overflow: auto; font: 11.5px/1.5 var(--mono); color: var(--fg-2); white-space: pre-wrap; overflow-wrap: anywhere; }

.panes { margin-top: 36px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-1); overflow: hidden; }
.tabs { display: flex; align-items: center; gap: 2px; padding: 0 8px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.tab {
  position: relative; display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 12px;
  background: none; border: 0; color: var(--fg-3); font-size: 14px; font-weight: 550; white-space: nowrap;
}
.tab:hover { color: var(--fg); }
.tab small { font: 12px var(--mono); font-weight: 400; color: var(--fg-3); }
.tab[aria-selected="true"] { color: var(--fg); }
.tab[aria-selected="true"]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 2px; background: var(--accent); border-radius: 2px 2px 0 0; }
.tab .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.tab .dot.err { background: var(--bad); }
.tabs .acts { margin-left: auto; display: flex; gap: 6px; }
.tabs .btn { background: transparent; border-color: transparent; color: var(--fg-2); font-weight: 500; }
.tabs .btn:hover { color: var(--fg); border-color: var(--line-2); }
.codebox { display: flex; overflow-x: auto; font: 13px/1.6 var(--mono); tab-size: 4; }
.codebox pre { font: inherit; padding: 16px 0; }
.codebox .nums { flex: none; padding-left: 16px; padding-right: 14px; text-align: right; color: var(--fg-3); opacity: .7; user-select: none; position: sticky; left: 0; background: var(--bg-1); }
.codebox .code { flex: 1; padding-left: 6px; padding-right: 20px; white-space: pre; color: var(--fg); }
#log { white-space: pre-wrap; overflow-wrap: anywhere; padding-left: 18px; min-height: 120px; max-height: 70vh; overflow-y: auto; }
#log:empty::before { content: "No output yet."; color: var(--fg-3); }
#log .err { color: var(--bad); }
.t-c { color: var(--c-comment); font-style: italic; }
.t-s { color: var(--c-string); }
.t-n { color: var(--c-number); }
.t-k { color: var(--c-keyword); }
.t-d { color: var(--c-def); }
.t-b { color: var(--c-builtin); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.pager a { display: block; min-width: 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-1); transition: border-color .15s; }
.pager a:hover { border-color: var(--accent); }
.pager a.next { text-align: right; grid-column: 2; }
.pager small { display: block; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 7px; }
.pager span { display: block; font-weight: 580; letter-spacing: -.01em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* check.mjs takes its screenshots of the canvas: give it one width for all */
.check .stage { grid-template-columns: minmax(0, 1fr); }
/* (the shape is still the example's; the gallery crops its thumbnails) */
.check .frame { width: 960px; aspect-ratio: var(--aspect, 1.6); border: 0; border-radius: 0; }

/* ------------------------------------------------------------- responsive */

@media (max-width: 980px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr); }
  .stage { grid-template-columns: minmax(0, 1fr); }
  .run .frame { max-height: 70vh; }
  .foot .wrap { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot .about { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .bar .ghost span, .bar .ghost.wide { display: none; }
  .bar .ghost.keep span { display: inline; }
  .bar .ghost { padding: 0 9px; }
  .tools .right { width: 100%; margin-left: 0; }
  .tools .right { flex-wrap: nowrap; gap: 12px; }
  .tools .wrap { gap: 8px; min-height: 0; }
  .search { flex: 1 1 0; }
  .search kbd { display: none; }
  .search input { padding-right: 12px; }
  .switch .wide { display: none; }
  .switch .narrow { display: inline; }
  .chips { width: calc(100% + 2 * var(--gutter)); margin: -4px calc(-1 * var(--gutter)); padding: 4px var(--gutter); }
  .grid { gap: 20px 12px; }
  .cap .name { font-size: 13.5px; }
  .thumb .tag.anim { display: none; }
  .run main { padding-top: 14px; }
  .run .wrap.flush { padding: 0; }
  .run .wrap.flush .frame { border-radius: 0; border-left: 0; border-right: 0; }
  .run .wrap.flush .under, .run .wrap.flush .meta { padding: 0 var(--gutter); }
  .codebox { font-size: 12px; }
  .pager { grid-template-columns: 1fr; }
  .pager a.next { grid-column: 1; }
  .foot .wrap { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .card:hover .thumb, .card:hover .thumb img { transform: none; }
  .spinner { border-top-color: rgba(255, 255, 255, .14); border-right-color: var(--accent); }
}