:root {
  --abyss: #020503;
  --deep: oklch(0.14 0.02 140);
  --panel: oklch(0.13 0.018 140 / 0.84);
  --panel-solid: oklch(0.145 0.02 140);
  --line: oklch(0.32 0.03 140 / 0.55);
  --line-strong: oklch(0.45 0.04 140 / 0.7);
  --ink: oklch(0.96 0.008 140);
  --soft: oklch(0.8 0.02 140);
  --muted: oklch(0.7 0.025 140);
  --work: #4aa8ff;
  --ok: #3df08f;
  --fail: #ff4d4d;
  --mut: #b46bff;
  --gold: #ffc94a;
  --dead: #8a7471;
  --display: "Bricolage Grotesque", "Arial Narrow", system-ui, sans-serif;
  --mono: "Martian Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --gut: 16px;
  --z-labels: 1;
  --z-hud: 2;
  --z-header: 10;
  --z-inspect: 40;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--abyss);
  color: var(--ink);
  font: 400 16px/1.6 var(--display);
  font-variation-settings: "opsz" 16;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--ok); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 99; background: var(--ink); color: var(--abyss); padding: 8px 12px; border-radius: 8px; }
.skip:focus { left: 8px; }
.muted { color: var(--muted); font-weight: 400; }

/* Header */
.top {
  position: absolute; top: 0; left: 0; right: 0; z-index: var(--z-header);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: max(14px, env(safe-area-inset-top)) var(--gut) 0;
  pointer-events: none;
}
.top > * { pointer-events: auto; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 30px; height: 30px; color: var(--ink); flex: none; }
.wordmark {
  font-family: var(--display); font-weight: 800; font-stretch: 75%;
  font-variation-settings: "opsz" 96, "wdth" 75;
  letter-spacing: 0.14em; font-size: 20px; line-height: 1;
}
.wordmark.small { font-size: 15px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 10.5px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
  padding: 8px 11px; border-radius: 999px;
  background: oklch(0.12 0.02 140 / 0.8); border: 1px solid var(--line); color: var(--soft);
  white-space: nowrap;
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.chip-tick { color: var(--gold); border-color: oklch(0.6 0.1 85 / 0.45); }
button.chip { cursor: pointer; }

.icon-btn {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
  background: oklch(0.12 0.02 140 / 0.8); border: 1px solid var(--line);
}
.icon-btn:hover { border-color: var(--line-strong); }
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn svg path:first-child { fill: currentColor; stroke: none; }
.close svg path:first-child { fill: none; stroke: currentColor; }
#soundBtn .wave { display: none; }
#soundBtn[aria-pressed="true"] .wave { display: block; }
#soundBtn[aria-pressed="true"] .mute { display: none; }

/* Chamber */
.chamber { position: relative; height: 100svh; min-height: 640px; overflow: hidden; background: var(--abyss); }
.stage { position: absolute; inset: 0; }
#gl { display: block; width: 100%; height: 100%; touch-action: pan-y; }
.labels { position: absolute; inset: 0; pointer-events: none; z-index: var(--z-labels); }
.org-label {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  font: 500 10px/1.2 var(--mono); color: oklch(0.96 0.01 140); letter-spacing: 0.05em;
  text-shadow: 0 0 3px #000, 0 1px 6px #000, 0 0 12px #000;
  transition: opacity 0.4s;
}
.org-label span { color: var(--soft); font-size: 10px; }
.org-label.is-gold b { color: var(--gold); }
.org-label.is-dead { opacity: 0.3; }
.org-label.is-hidden { opacity: 0; }
.ticks { display: flex; gap: 2px; }
.ticks:empty { display: none; }
.ticks i { width: 5px; height: 5px; border-radius: 1px; background: var(--fail); }
.ticks i.ok { background: var(--ok); }
.legend .ticks i { width: 6px; height: 6px; box-shadow: none; border-radius: 1px; background: var(--fail); }
.legend .ticks i.ok { background: var(--ok); }

.mock-banner {
  position: fixed; z-index: 50; top: 0; left: 0; right: 0; margin: 0; padding: 5px var(--gut);
  background: var(--gold); color: var(--abyss); text-align: center;
  font: 600 10.5px/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
}
.mock-banner:not([hidden]) ~ .top { top: 24px; }
.mock-banner:not([hidden]) ~ main .rail { top: 100px; }
.mock-banner:not([hidden]) ~ main .hud { margin-top: 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.gl-fallback { display: none; }
body.no-gl #gl { visibility: hidden; }
body.no-gl .gl-fallback {
  display: grid; align-content: end; gap: 14px; position: absolute; left: 0; right: 0; top: 0; height: 100%;
  padding: 0 var(--gut) 230px clamp(16px, 4vw, 56px);
  background: radial-gradient(ellipse at 50% 70%, oklch(0.2 0.04 140 / 0.6), transparent 65%), var(--abyss);
}
.gl-fallback p { margin: 0; color: var(--muted); font-size: 13px; max-width: 40ch; }
.gl-fallback ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.gl-fallback button { all: unset; cursor: pointer; display: grid; justify-items: center; gap: 2px; padding: 6px; border-radius: 12px; font: 500 10.5px/1.2 var(--mono); color: var(--soft); }
.gl-fallback button:hover, .gl-fallback button:focus-visible { background: oklch(0.2 0.03 140 / 0.6); }
.gl-fallback small { color: var(--muted); }
.org-label.is-sel b { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

.hud { position: absolute; z-index: 0; left: clamp(16px, 4vw, 56px); top: clamp(104px, 16vh, 150px); max-width: 30rem; pointer-events: none; }
.headline {
  margin: 0; font-weight: 800; font-stretch: 75%; font-variation-settings: "opsz" 96, "wdth" 75;
  font-size: clamp(2.6rem, 6.4vw, 5.6rem); line-height: 0.9; letter-spacing: -0.01em; text-transform: uppercase;
  text-wrap: balance; text-shadow: 0 2px 30px #000;
}
.headline em { font-style: normal; color: #d8262f; text-shadow: 0 0 22px rgba(255, 40, 52, 0.55), 0 2px 30px #000; }
/* Lab glass: faint scanlines and a dark red vignette. Plain alpha gradients only, no filters over the canvas. */
.stage::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.12) 0 1px, transparent 1px 3px), radial-gradient(ellipse at 50% 45%, transparent 55%, rgba(40, 0, 4, 0.55) 100%); }
.hud::before { content: ""; position: absolute; inset: -40px -70px -40px -56px; z-index: -1; pointer-events: none; background: radial-gradient(ellipse at 40% 50%, oklch(0.06 0.015 140 / 0.78), oklch(0.06 0.015 140 / 0.45) 55%, transparent 80%); }
.lede { margin: 18px 0 0; color: var(--ink); font-size: clamp(16px, 1.45vw, 20px); font-weight: 500; max-width: 27rem; text-shadow: 0 0 2px #000, 0 1px 3px #000, 0 2px 18px #000; line-height: 1.5; }
.lede em { font-style: normal; color: #c8202a; }

.legend {
  position: absolute; z-index: var(--z-hud); left: clamp(16px, 4vw, 56px); bottom: 150px;
  display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 0; padding: 0; list-style: none;
  font: 500 11.5px/1.2 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--soft);
  max-width: 36rem; text-shadow: 0 0 2px #000, 0 1px 8px #000;
}
.legend li { display: flex; align-items: center; gap: 6px; }
.legend .how { flex-basis: 100%; color: var(--ink); margin-top: 4px; }
.legend .how-touch { display: none; }
@media (pointer: coarse) { .legend .how-mouse { display: none; } .legend .how-touch { display: inline; } }
.legend i.swirl { background: conic-gradient(#ff5fa0, #ffc94a, #3df08f, #4aa8ff, #b46bff, #ff5fa0); }
.legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); box-shadow: 0 0 8px var(--c); }

.caption {
  position: absolute; z-index: var(--z-hud); left: 50%; transform: translateX(-50%); bottom: 132px; margin: 0;
  font: 500 13.5px/1.3 var(--mono); color: var(--ink); letter-spacing: 0.02em; text-align: center;
  padding: 9px 16px; border-radius: 999px; background: oklch(0.08 0.02 140 / 0.88); border: 1px solid var(--line);
  max-width: min(560px, calc(100% - 32px)); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.caption:empty { display: none; }
.caption i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 8px; vertical-align: 1px; background: var(--c, var(--work)); }

.deck {
  position: absolute; z-index: var(--z-hud); left: var(--gut); right: var(--gut); bottom: max(var(--gut), env(safe-area-inset-bottom));
  max-width: 760px; margin-inline: auto;
  display: grid; gap: 10px; padding: 12px 14px;
  background: oklch(0.1 0.018 140 / 0.82); border: 1px solid var(--line); border-radius: 16px;
}
.deck-row { display: flex; align-items: center; gap: 12px; min-width: 0; }
.gens { position: relative; display: flex; gap: 4px; flex-wrap: nowrap; overflow-x: auto; min-width: 0; scrollbar-width: none; }
.gens::-webkit-scrollbar { display: none; }
.gens button {
  flex: none;
  min-width: 38px; height: 32px; padding: 0 8px; border-radius: 8px; cursor: pointer;
  font: 500 11px/1 var(--mono); letter-spacing: 0.04em;
  background: transparent; border: 1px solid var(--line); color: var(--muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.gens button:hover { color: var(--ink); border-color: var(--line-strong); }
.gens button[aria-selected="true"] { color: var(--abyss); background: var(--ink); border-color: var(--ink); }
.phase { margin-left: auto; font: 500 10.5px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--work); white-space: nowrap; }
.phase[data-p="Selection"] { color: var(--fail); }
.phase[data-p="Mutation"], .phase[data-p="Mitosis"] { color: var(--mut); }
.phase[data-p="Hidden check"] { color: var(--gold); }
.phase[data-p="Done"] { color: var(--muted); }
.play {
  flex: none; width: 40px; height: 40px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--ink); color: var(--abyss); display: grid; place-items: center;
}
.play svg { width: 18px; height: 18px; fill: currentColor; }
.play .i-play { display: none; }
.play.is-paused .i-play { display: block; }
.play.is-paused .i-pause { display: none; }
.clock { font: 500 11px/1 var(--mono); color: var(--soft); white-space: nowrap; font-variant-numeric: tabular-nums; }

.scrub { flex: 1; min-width: 0; appearance: none; -webkit-appearance: none; background: transparent; height: 28px; cursor: pointer; --p: 0%; }
.scrub::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--work) var(--p), oklch(0.3 0.03 140) var(--p)); }
.scrub::-moz-range-track { height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--work) var(--p), oklch(0.3 0.03 140) var(--p)); }
.scrub::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; margin-top: -6px; border-radius: 50%; background: var(--ink); border: 3px solid var(--work); }
.scrub::-moz-range-thumb { width: 12px; height: 12px; border-radius: 50%; background: var(--ink); border: 3px solid var(--work); }

/* Lab log rail */
.rail {
  position: absolute; z-index: var(--z-hud); right: var(--gut); top: 76px; bottom: var(--gut); width: 330px;
  display: flex; flex-direction: column;
  background: oklch(0.1 0.018 140 / 0.82); border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
}
.rail-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 10px; border-bottom: 1px solid var(--line); }
.rail-head h2 { margin: 0; font: 700 13px/1 var(--display); letter-spacing: 0.12em; text-transform: uppercase; font-stretch: 80%; }
.live { font: 500 10px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.feed { list-style: none; margin: 0; padding: 6px 0; overflow-y: auto; flex: 1; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.feed li { display: grid; grid-template-columns: 58px 10px 1fr; gap: 8px; align-items: baseline; padding: 7px 16px; font-size: 13px; line-height: 1.35; color: var(--soft); }
.feed li:first-child { color: var(--ink); }
.feed time { font: 400 10px/1.3 var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.feed i { width: 7px; height: 7px; border-radius: 50%; background: var(--c); align-self: center; }
.feed .who { all: unset; cursor: pointer; font-family: var(--mono); font-size: 11.5px; color: var(--ink); border-bottom: 1px dotted var(--line-strong); }
.feed .who:hover, .feed .who:focus-visible { color: var(--ok); }
.feed .empty { display: block; color: var(--muted); padding: 16px; }

/* Sections */
.sect { max-width: 1240px; margin: 0 auto; padding: clamp(56px, 9vw, 120px) var(--gut) 0; }
.sect-head { display: grid; gap: 10px; margin-bottom: 28px; }
.sect-head h2 {
  margin: 0; font-weight: 750; font-stretch: 78%; font-variation-settings: "opsz" 72, "wdth" 78;
  font-size: clamp(2rem, 4.6vw, 3.4rem); line-height: 0.95; letter-spacing: -0.005em; text-wrap: balance;
}
.sect-head p { margin: 0; color: var(--soft); max-width: 60ch; text-wrap: pretty; }

.tree-wrap { contain: paint; border-top: 1px solid var(--line); padding-top: 18px; }
.tree-wrap > svg { display: block; width: 100%; height: auto; overflow: visible; }
.tree-wrap .col-label { font: 500 10px var(--mono); fill: var(--muted); letter-spacing: 0.08em; }
.tree-wrap .col-label.is-sel { fill: var(--ink); }
.tree-wrap .col-band { fill: oklch(0.3 0.04 140 / 0.18); }
.tree-wrap .col-hit { fill: transparent; cursor: pointer; }
.tree-wrap .node { cursor: pointer; }
.tree-wrap .node:focus { outline: none; }
.tree-wrap .node:focus-visible .node-ring, .tree-wrap .node:hover .node-ring { stroke: var(--ink); stroke-opacity: 1; }
.tree-wrap .node-ring { fill: none; stroke: transparent; stroke-width: 1.5; }
.tree-wrap .name { font: 500 10px var(--mono); fill: var(--soft); }
.tree-wrap .name.is-gold { fill: var(--gold); }

.sect-head .kicker { margin: 0 0 6px; font: 500 11px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }
.endgame .sect-head h2 { max-width: 26ch; }
.goal-track { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
@media (min-width: 820px) { .goal-track { grid-template-columns: repeat(3, 1fr); } }
.goal-track li { padding: 20px 20px 24px 0; border-top: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.goal-track li.is-plan { border-top-style: dashed; }
.goal-tag { font: 500 11px/1.2 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ok); }
.is-plan .goal-tag { color: var(--gold); }
.goal-track b { font-size: 26px; font-weight: 750; font-stretch: 80%; line-height: 1; }
.goal-track li > span:not(.goal-tag) { color: var(--soft); max-width: 36ch; }
.goal-track .goal-live { display: grid; gap: 4px; }
.goal-live b { font-size: 44px; line-height: 1; color: var(--ok); }
.goal-live small { font: 500 12px/1.5 var(--mono); color: var(--ink); }
.goal-fuel { margin-top: 28px; display: grid; gap: 6px; padding: 20px 22px; border-radius: 16px; border: 1px solid oklch(0.75 0.14 85 / 0.5); background: linear-gradient(135deg, oklch(0.3 0.06 85 / 0.35), oklch(0.13 0.018 140 / 0.84)); }
.goal-fuel b { font-size: 22px; font-weight: 750; font-stretch: 80%; color: var(--gold); }
.goal-fuel span { color: var(--ink); max-width: 60ch; }

.board { display: grid; gap: clamp(48px, 6vw, 72px); }
@media (min-width: 1000px) { .board { grid-template-columns: 1.1fr 1fr; } }
.board-col { min-width: 0; }
.table-wrap { overflow-x: auto; contain: paint; }
.ranks { width: 100%; border-collapse: collapse; font-size: 14px; }
.ranks th { text-align: left; font: 500 10px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding: 0 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.ranks td { padding: 8px; border-bottom: 1px solid oklch(0.3 0.03 140 / 0.3); vertical-align: middle; }
.ranks tbody tr { cursor: pointer; transition: background 0.2s; }
.ranks tbody tr:hover, .ranks tbody tr:focus-visible { background: oklch(0.22 0.03 140 / 0.45); outline: none; }
.ranks .num { font-family: var(--mono); font-size: 12px; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.ranks th.num { text-align: right; }
.ranks .who { display: flex; align-items: center; gap: 10px; }
.ranks .who b { font: 500 12.5px var(--mono); white-space: nowrap; }
.ranks .who small { display: block; color: var(--muted); font-size: 12.5px; }
.ranks .rank { font: 500 12px var(--mono); color: var(--muted); width: 24px; }
.fate { font: 500 10px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 8px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.fate.ok { color: var(--ok); }
.fate.cut { color: var(--fail); opacity: 0.85; }
.fate.gold { color: var(--gold); }
.fate.wait { color: var(--muted); }

.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .axis { font: 400 10px var(--mono); fill: var(--muted); }
.chart .grid { stroke: oklch(0.35 0.03 140 / 0.35); stroke-width: 1; }
.chart-key { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 14px 0 0; padding: 0; list-style: none; font-size: 13px; color: var(--soft); }
.chart-key i { display: inline-block; width: 18px; height: 3px; border-radius: 2px; background: var(--c); vertical-align: middle; margin-right: 8px; }
.chart-key i.dash { background: repeating-linear-gradient(90deg, var(--c) 0 5px, transparent 5px 8px); }
#verdict b { color: var(--ink); font-weight: 600; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: s; }
@media (min-width: 820px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { counter-increment: s; padding: 20px 20px 24px 0; border-top: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.steps li::before { content: counter(s); font: 500 12px var(--mono); color: var(--ok); }
.steps b { font-size: 26px; font-weight: 750; font-stretch: 80%; line-height: 1; }
.steps span { color: var(--soft); max-width: 32ch; }

.anatomy { margin-top: clamp(48px, 7vw, 88px); }
.anatomy h3 { margin: 0 0 6px; font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 750; font-stretch: 80%; line-height: 1; }
.anatomy > p { margin: 0 0 24px; color: var(--soft); max-width: 60ch; }
.anatomy-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px 28px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.anatomy-list li { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; padding: 12px 0; border-bottom: 1px solid oklch(0.3 0.03 140 / 0.35); }
.anatomy-list .pair { display: flex; align-items: center; gap: 2px; }
.anatomy-list .pair span { color: var(--muted); font-size: 12px; }
.anatomy-list b { display: block; font-weight: 650; }
.anatomy-list small { display: block; color: var(--muted); font-size: 13.5px; line-height: 1.45; margin-top: 2px; }

.method-body { display: grid; gap: 24px; max-width: 980px; }
@media (min-width: 900px) { .method-body { grid-template-columns: 1.3fr 1fr; } .method-body .fine { grid-column: 1 / -1; } }
#methodText { margin: 0; font-size: clamp(17px, 1.6vw, 20px); line-height: 1.55; color: var(--ink); text-wrap: pretty; max-width: 62ch; }
.facts { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; font-size: 14px; align-content: start; }
.facts dt { font: 500 10.5px/1.9 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0; color: var(--soft); }
.fine { margin: 0; color: var(--muted); font-size: 14px; max-width: 70ch; }

.foot { max-width: 1240px; margin: clamp(64px, 9vw, 120px) auto 0; padding: 24px var(--gut) max(32px, env(safe-area-inset-bottom)); display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

/* Inspect panel */
.inspect {
  position: fixed; z-index: var(--z-inspect); top: 0; right: 0; bottom: 0; width: min(460px, 100vw);
  background: var(--panel-solid); border-left: 1px solid var(--line-strong);
  overflow-y: auto; overscroll-behavior: contain;
  transform: translateX(104%); transition: transform 0.45s var(--ease);
  box-shadow: -30px 0 60px oklch(0 0 0 / 0.5);
}
.inspect.is-open { transform: none; }
.inspect .close { position: sticky; top: 14px; float: right; margin: 14px 14px 0 0; z-index: 1; }
.inspect-body { padding: 22px 22px 40px; }
.ins-head { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; margin-bottom: 18px; padding-right: 40px; }
.ins-head h2 { margin: 0; font: 500 22px/1.1 var(--mono); letter-spacing: 0.02em; }
.ins-head p { margin: 4px 0 0; color: var(--soft); font-size: 14px; }
.ins-head .glyph { width: 84px; height: 84px; }
.pill { display: inline-block; font: 500 10px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 8px; border-radius: 999px; border: 1px solid currentColor; margin-top: 8px; }
.ins-sect { padding: 18px 0; border-top: 1px solid var(--line); }
.ins-sect h3 { margin: 0 0 12px; font: 500 10.5px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 10px; margin: 0; }
.stats div { display: grid; gap: 4px; }
.stats dt { font: 500 9.5px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.stats dd { margin: 0; font: 500 17px/1.1 var(--mono); font-variant-numeric: tabular-nums; }
.stats dd small { font-size: 11px; color: var(--muted); }
.lineage { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 14px; color: var(--soft); }
.link-agent { all: unset; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; font: 500 12px var(--mono); padding: 4px 8px 4px 4px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink); }
.link-agent:hover, .link-agent:focus-visible { border-color: var(--ink); }
.link-agent .glyph { width: 22px; height: 22px; }
.diff { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 10px; }
.diff td { padding: 7px 6px 7px 0; border-bottom: 1px solid oklch(0.3 0.03 140 / 0.3); vertical-align: top; }
.diff td:first-child { font: 500 11px/1.9 var(--mono); color: var(--muted); white-space: nowrap; width: 1%; padding-right: 14px; }
.diff .arrow { color: var(--muted); }
.diff .from { color: var(--fail); text-decoration: line-through; text-decoration-color: oklch(0.65 0.2 25 / 0.6); }
.diff .to { color: var(--ok); }
.genes { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin: 0 0 14px; font-size: 14px; }
.genes dt { font: 500 11px/1.6 var(--mono); color: var(--muted); }
.genes dd { margin: 0; }
.genes dd small { color: var(--muted); margin-left: 6px; }
.genome-text { margin: 0; padding: 14px; border-radius: 10px; background: oklch(0.1 0.015 140); border: 1px solid var(--line); font: 400 12px/1.65 var(--mono); color: var(--soft); white-space: pre-wrap; overflow-wrap: anywhere; }
.qs { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.qs li { display: grid; grid-template-columns: 18px 1fr; gap: 8px; padding: 8px 0; border-bottom: 1px solid oklch(0.3 0.03 140 / 0.25); font-size: 13px; }
.qs .mark { font: 600 13px var(--mono); }
.qs .mark.ok { color: var(--ok); }
.qs .mark.no { color: var(--fail); }
.qs p { margin: 0; color: var(--soft); }
.qs small { display: block; margin-top: 3px; font: 400 11.5px/1.4 var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.qs small b { color: var(--ink); font-weight: 500; }
.dots { display: flex; flex-wrap: wrap; gap: 4px; }
.dots i { width: 14px; height: 14px; border-radius: 4px; background: oklch(0.3 0.03 140); }
.dots i.ok { background: var(--ok); }
.dots i.no { background: oklch(0.55 0.2 25 / 0.8); }
.hist { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hist li { display: grid; grid-template-columns: 34px 1fr 56px; gap: 10px; align-items: center; font: 400 11px var(--mono); color: var(--muted); }
.hist .bar { height: 8px; border-radius: 4px; background: oklch(0.25 0.03 140); overflow: hidden; }
.hist .bar i { display: block; height: 100%; background: var(--c, var(--work)); border-radius: 4px; }
.hist span:last-child { text-align: right; color: var(--soft); font-variant-numeric: tabular-nums; }
.note { color: var(--muted); font-size: 13px; margin: 8px 0 0; }

/* Empty state */
body.is-empty .gl-fallback, body.is-empty .rail, body.is-empty .deck, body.is-empty .legend, body.is-empty #tree, body.is-empty #board, body.is-empty .caption, body.is-empty .goal-live { display: none; }

@media (min-width: 1100px) and (max-width: 1451px) {
  .deck { right: calc(var(--gut) + 346px); }
  .legend { bottom: 184px; }
  .caption { left: calc((100% - 346px) / 2); max-width: min(560px, calc(100% - 378px)); }
}
@media (max-width: 1099px) {
  .chamber { height: auto; min-height: 0; overflow: visible; }
  .stage { position: relative; height: auto; min-height: 0; max-height: none; overflow: visible; }
  #gl { height: clamp(500px, 70svh, 760px); }
  body.no-gl .gl-fallback { height: clamp(500px, 70svh, 760px); padding-bottom: 40px; }
  .stage::after { content: ""; position: absolute; left: 0; right: 0; top: calc(clamp(500px, 70svh, 760px) - 90px); height: 90px; background: linear-gradient(transparent, var(--abyss)); pointer-events: none; }
  .labels { inset: auto; top: 0; left: 0; overflow: hidden; }
  .legend, .caption, .deck { position: static; transform: none; margin: 12px var(--gut) 0; max-width: none; }
  .caption { display: block; text-align: left; border-radius: 12px; white-space: normal; }
  .legend { margin-top: 14px; }
  .rail { position: static; width: auto; margin: 16px var(--gut) 0; max-height: 380px; }
}
@media (max-width: 640px) {
  .top { gap: 10px; }
  .brand { order: 1; }
  #soundBtn { order: 2; margin-left: auto; }
  .chips { order: 3; width: 100%; margin-left: 0; }
  .chip { font-size: 9.5px; padding: 7px 9px; }
  .wordmark { font-size: 18px; }
  .hud { top: 156px; right: var(--gut); }
  .lede { font-size: 15px; max-width: 20rem; }
  .legend { gap: 6px 12px; font-size: 10.5px; }
  .caption { font-size: 12px; }
  .hud::before { inset: -30px -16px -30px -16px; }
  .deck { padding: 10px; gap: 8px; }
  .gens button { min-width: 34px; flex: 1 0 auto; padding: 0 4px; height: 30px; font-size: 10.5px; }
  .gens { flex: 1; }
  .deck-row:first-child { flex-wrap: wrap; gap: 8px; }
  .phase { margin-left: 0; order: -1; width: 100%; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .org-label { font-size: 9px; }
  .org-label span { font-size: 8.5px; }
  .ranks .hide-sm, .ranks .who small { display: none; }
  .ranks td, .ranks th { padding-inline: 5px; }
  .inspect { top: auto; left: 0; width: 100%; max-height: 86svh; border-left: 0; border-top: 1px solid var(--line-strong); border-radius: 18px 18px 0 0; transform: translateY(104%); box-shadow: 0 -30px 60px oklch(0 0 0 / 0.6); }
  .inspect-body { padding: 18px var(--gut) max(40px, env(safe-area-inset-bottom)); }
  .ins-head .glyph { width: 64px; height: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

@media (max-width: 400px) {
  .chip { white-space: normal; max-width: 100%; line-height: 1.3; }
  .ranks th:first-child, .ranks .rank { display: none; }
  .ranks .who { gap: 6px; }
  .ranks .who svg { width: 26px; height: 26px; }
  .ranks td, .ranks th { padding-inline: 3px; }
  .ranks th { letter-spacing: 0.04em; }
  .ranks .who b { font-size: 11.5px; }
  .fate { padding: 4px 6px; letter-spacing: 0.02em; }
}

/* ===== Lab skin (v2): containment-lab framing for panels, sections and controls. Visual only. ===== */
:root {
  --red: #d8262f;
  --lab: #8dbf3a;
  --hazard: repeating-linear-gradient(-45deg, var(--red) 0 6px, #170405 6px 12px);
  --brk-c: oklch(0.72 0.14 135 / 0.85);
  --brackets:
    linear-gradient(var(--brk-c), var(--brk-c)) left top / 14px 2px no-repeat,
    linear-gradient(var(--brk-c), var(--brk-c)) left top / 2px 14px no-repeat,
    linear-gradient(var(--brk-c), var(--brk-c)) right top / 14px 2px no-repeat,
    linear-gradient(var(--brk-c), var(--brk-c)) right top / 2px 14px no-repeat,
    linear-gradient(var(--brk-c), var(--brk-c)) left bottom / 14px 2px no-repeat,
    linear-gradient(var(--brk-c), var(--brk-c)) left bottom / 2px 14px no-repeat,
    linear-gradient(var(--brk-c), var(--brk-c)) right bottom / 14px 2px no-repeat,
    linear-gradient(var(--brk-c), var(--brk-c)) right bottom / 2px 14px no-repeat;
}
@keyframes lab-blink { 50% { opacity: 0.25; } }

body { background-image: linear-gradient(oklch(0.3 0.05 140 / 0.07) 1px, transparent 1px), linear-gradient(90deg, oklch(0.3 0.05 140 / 0.07) 1px, transparent 1px); background-size: 48px 48px; }

/* Hero */
.hero-kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 18px; font: 500 11px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--lab); text-shadow: 0 0 10px oklch(0.7 0.16 135 / 0.5); }
.hero-kicker::before { content: ""; width: 8px; height: 8px; background: var(--red); box-shadow: 0 0 10px var(--red); animation: lab-blink 1.1s steps(2) infinite; }
.hero-kicker::after { content: ""; width: 56px; height: 4px; background: var(--hazard); }

/* Panels: squarer corners, lit corner brackets */
.deck, .rail, .inspect, .goal-fuel { border-radius: 6px; border-color: oklch(0.45 0.08 140 / 0.45); }
.deck { background: var(--brackets), oklch(0.08 0.018 140 / 0.86); }
.rail { background: var(--brackets), oklch(0.08 0.018 140 / 0.86); }
.inspect { background: var(--brackets), var(--panel-solid); }
.chip, .caption { border-radius: 4px; border-color: oklch(0.45 0.08 140 / 0.45); }
.icon-btn { border-radius: 6px; }

/* Lab log reads like a terminal */
.rail-head { background: var(--hazard) top / 100% 4px no-repeat; padding-top: 18px; }
.rail-head h2 { display: flex; align-items: center; gap: 8px; }
.rail-head h2::before { content: ""; width: 7px; height: 7px; background: var(--red); box-shadow: 0 0 8px var(--red); animation: lab-blink 1.2s steps(2) infinite; }
.feed time { color: var(--lab); text-shadow: 0 0 8px oklch(0.7 0.16 135 / 0.45); }
.feed li:first-child { background: linear-gradient(90deg, oklch(0.4 0.1 140 / 0.18), transparent); }

/* Replay controls */
.gens button { border-radius: 4px; }
.gens button[aria-selected="true"] { color: #fff; background: var(--red); border-color: var(--red); box-shadow: 0 0 14px oklch(0.6 0.22 25 / 0.55); }
.play { border-radius: 6px; background: var(--red); color: #fff; box-shadow: 0 0 18px oklch(0.6 0.22 25 / 0.5); }

/* Sections: numbered file headers with a hazard tab */
main { counter-reset: sect; }
.sect { counter-increment: sect; }
.sect > .sect-head::before, .board .board-col:first-child .sect-head::before {
  content: "File " counter(sect, decimal-leading-zero); display: flex; align-items: center; gap: 12px;
  font: 500 11px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--lab);
}
.sect-head .kicker { color: var(--red); }
.sect::before { content: ""; grid-column: 1 / -1; display: block; height: 4px; width: 72px; margin-bottom: 26px; background: var(--hazard); }
.goal-fuel { background: var(--hazard) left / 5px 100% no-repeat, linear-gradient(135deg, oklch(0.3 0.06 85 / 0.3), oklch(0.11 0.018 140 / 0.9)); padding-left: 28px; }
.goal-live b { color: var(--lab); text-shadow: 0 0 18px oklch(0.7 0.16 135 / 0.45); }
.steps li b { color: var(--lab); }
.foot { border-top: 4px solid transparent; border-image: var(--hazard) 1; }
@media (prefers-reduced-motion: reduce) { .hero-kicker::before, .rail-head h2::before { animation: none; } }

/* ===== Data sections (v3): dossier panels for the stats below the chamber. Visual only. ===== */
:root { --panel-lab: oklch(0.115 0.02 140 / 0.92); --panel-edge: oklch(0.42 0.08 140 / 0.38); }
.dossier, .tree-wrap, .board-col, .anatomy-list li, .method-body, .goal-track li, .steps li {
  border: 1px solid var(--panel-edge); border-radius: 6px; background: var(--brackets), var(--panel-lab);
}

/* Run at a glance */
.kpis { max-width: 1240px; margin: 0 auto; padding: clamp(40px, 6vw, 72px) var(--gut) 0; }
.kpi-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.kpi-list:empty { display: none; }
.kpi-list li { position: relative; display: grid; gap: 6px; align-content: start; padding: 18px 20px 20px; border: 1px solid var(--panel-edge); border-radius: 6px; background: var(--brackets), var(--panel-lab); overflow: hidden; }
.kpi-list li::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--lab), transparent 70%); opacity: 0.7; }
.kpi-k { font: 500 10.5px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--lab); }
.kpi-v { font-size: clamp(40px, 5vw, 60px); font-weight: 800; font-stretch: 75%; line-height: 0.95; color: var(--ink); font-variant-numeric: tabular-nums; text-shadow: 0 0 24px oklch(0.75 0.15 140 / 0.25); }
.kpi-s { font: 500 11.5px/1.4 var(--mono); color: var(--muted); }
.spark { position: absolute; right: 16px; bottom: 18px; width: 120px; height: 28px; overflow: visible; }

/* Endgame: three stages joined by a line, a live meter on the first */
.goal-track { gap: 12px; }
.goal-track li { position: relative; padding: 22px 22px 24px; border-top: 1px solid var(--panel-edge); }
.goal-track li.is-plan { border-style: dashed; background: var(--panel-lab); }
@media (min-width: 820px) {
  .goal-track li:not(:last-child)::after { content: ""; position: absolute; top: 50%; right: -13px; width: 14px; height: 2px; background: var(--lab); box-shadow: 0 0 8px var(--lab); }
}
.goal-meter { display: block; height: 8px; margin: 10px 0 4px; border-radius: 2px; background: oklch(0.25 0.03 140); overflow: hidden; max-width: 260px; }
.goal-meter i { display: block; height: 100%; background: linear-gradient(90deg, oklch(0.6 0.16 140), var(--lab)); box-shadow: 0 0 12px var(--lab); }
.goal-fuel { border-radius: 6px; }

/* Family tree: framed scope with a glowing gold line */
.tree-wrap { padding: 18px 16px 10px; border-top: 1px solid var(--panel-edge); background: var(--brackets), radial-gradient(ellipse at 70% 40%, oklch(0.2 0.05 140 / 0.35), transparent 70%), var(--panel-lab); }
.tree-wrap path[stroke="var(--gold)"], .tree-wrap line[stroke="var(--gold)"] { filter: drop-shadow(0 0 4px oklch(0.85 0.16 85 / 0.7)); }
.tree-wrap .col-band { fill: oklch(0.45 0.12 140 / 0.14); }
.tree-wrap .col-label.is-sel { fill: var(--lab); }
.tree-key { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 14px 0 0; padding: 0; list-style: none; font: 500 11px/1.4 var(--mono); letter-spacing: 0.04em; color: var(--muted); }
.tree-key i { display: inline-block; width: 18px; height: 3px; border-radius: 2px; background: var(--c); vertical-align: middle; margin-right: 8px; }
.tree-key i.x { width: 10px; height: 10px; background: linear-gradient(45deg, transparent 44%, var(--fail) 44% 56%, transparent 56%), linear-gradient(-45deg, transparent 44%, var(--fail) 44% 56%, transparent 56%); }
.tree-key i.dashed { background: repeating-linear-gradient(90deg, var(--work) 0 3px, transparent 3px 6px); }

/* Rankings and chart sit in panels */
.board-col { padding: 22px clamp(14px, 2vw, 24px) 18px; }
.board .sect-head { margin-bottom: 18px; }
.ranks tbody tr { transition: background 0.2s, box-shadow 0.2s; }
.ranks tbody tr.is-live { background: linear-gradient(90deg, oklch(0.35 0.1 140 / 0.18), transparent 60%); }
.ranks tbody tr:first-child { box-shadow: inset 3px 0 0 var(--gold); background: linear-gradient(90deg, oklch(0.5 0.1 85 / 0.16), transparent 60%); }
.ranks tbody tr.is-cut { opacity: 0.72; }
.ranks tbody tr.is-cut:hover { opacity: 1; }
.ranks .rank span { display: inline-grid; place-items: center; width: 24px; height: 24px; border: 1px solid var(--panel-edge); border-radius: 3px; color: var(--soft); }
.ranks tbody tr:first-child .rank span { border-color: var(--gold); color: var(--gold); }
.mbar { display: block; height: 3px; margin-top: 5px; margin-left: auto; width: 56px; background: oklch(0.28 0.03 140); border-radius: 2px; overflow: hidden; }
.mbar i { display: block; height: 100%; background: var(--ok); }
.is-cut .mbar i { background: var(--fail); }
.fate { border-radius: 2px; padding: 5px 8px 4px; letter-spacing: 0.1em; }
.fate.cut { border-style: double; border-width: 3px; padding: 3px 7px 2px; transform: rotate(-2deg); display: inline-block; }
.fate.gold { background: oklch(0.82 0.15 85 / 0.12); box-shadow: 0 0 12px oklch(0.82 0.15 85 / 0.35); }
.chart svg .best-line { filter: drop-shadow(0 0 5px oklch(0.85 0.2 150 / 0.6)); }
.chart .grid { stroke: oklch(0.45 0.08 140 / 0.25); stroke-dasharray: 2 4; }
#verdict { position: relative; padding: 12px 14px 12px 16px; border-left: 3px solid var(--lab); background: oklch(0.16 0.03 140 / 0.6); border-radius: 0 4px 4px 0; font-size: 14.5px; }
#verdict::before { content: "Lab note"; display: block; margin-bottom: 6px; font: 500 10px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--lab); }

/* How it works: four numbered cards with arrows between */
.steps { gap: 12px; counter-reset: s; }
.steps li { position: relative; padding: 20px 20px 22px; border-top: 1px solid var(--panel-edge); }
.steps li::before { content: counter(s, decimal-leading-zero); font: 800 44px/1 var(--display); font-stretch: 75%; color: transparent; -webkit-text-stroke: 1.2px var(--lab); }
@media (min-width: 820px) {
  .steps li:not(:last-child)::after { content: "→"; position: absolute; right: -13px; top: 30px; width: 14px; text-align: center; font: 500 14px/1 var(--mono); color: var(--lab); }
}
.steps li:last-child { box-shadow: inset 0 -3px 0 oklch(0.6 0.2 25 / 0.6); }

/* Read a creature: specimen tiles */
.anatomy-list { gap: 12px; }
.anatomy-list li { padding: 14px 16px; border-bottom: 1px solid var(--panel-edge); }
.anatomy-list .pair { padding: 4px 8px; border-radius: 4px; background: radial-gradient(ellipse, oklch(0.25 0.06 140 / 0.6), transparent 75%); }

/* Method: a dossier with dotted leaders */
.method-body { max-width: none; padding: clamp(18px, 3vw, 32px); }
.facts { gap: 0 18px; }
.facts dt, .facts dd { padding: 10px 0; border-bottom: 1px dotted oklch(0.45 0.06 140 / 0.45); }
.facts dt { color: var(--lab); }

/* How it works dialog */
.chip-how { color: var(--ink); border-color: var(--line-strong); }
.chip-how:hover { border-color: var(--ok); color: var(--ok); }
.hiw {
  width: min(640px, calc(100% - 2 * var(--gut))); max-height: calc(100svh - 2 * var(--gut)); overflow-y: auto;
  padding: clamp(22px, 3.4vw, 34px); border: 1px solid var(--line-strong); border-radius: 14px;
  background: var(--panel-solid); color: var(--ink); box-shadow: 0 30px 80px #000;
}
.hiw::backdrop { background: oklch(0.05 0.01 140 / 0.78); }
.hiw .close { position: absolute; top: 14px; right: 14px; }
.hiw .close svg path:first-child { fill: none; stroke: currentColor; }
.hiw-kicker { margin: 0 0 10px; font: 500 11px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--fail); }
.hiw h2 { margin: 0 40px 14px 0; font: 800 clamp(26px, 4vw, 38px)/1.02 var(--display); font-variation-settings: "opsz" 96, "wdth" 80; }
.hiw-lede { margin: 0 0 18px; color: var(--soft); font-size: 15.5px; line-height: 1.55; }
.hiw-steps { list-style: none; margin: 0 0 20px; padding: 0; counter-reset: s; display: grid; gap: 10px; }
.hiw-steps li { counter-increment: s; display: grid; grid-template-columns: 28px 1fr; gap: 2px 10px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; align-content: start; }
.hiw-steps li::before { content: "0" counter(s); grid-row: span 2; font: 500 12px/1.6 var(--mono); color: var(--ok); }
.hiw-steps b { font: 700 16px/1.3 var(--display); }
.hiw-steps span { color: var(--soft); font-size: 14px; line-height: 1.5; }
.hiw-note { margin: 0 0 16px; font: 400 11.5px/1.6 var(--mono); color: var(--muted); }
.hiw-go { font: 600 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; padding: 14px 20px; border-radius: 999px; border: 0; background: var(--ok); color: #031a0b; cursor: pointer; }
.hiw-go:hover { filter: brightness(1.1); }
@media (min-width: 640px) { .hiw { width: min(760px, calc(100% - 2 * var(--gut))); } .hiw-steps { grid-template-columns: 1fr 1fr; } .hiw-steps li:last-child { grid-column: 1 / -1; } }