/* ReaFuse — industrial schematic theme. Paper, ink, and two wire colours. */
:root {
  --paper: #ece8df;
  --paper-2: #e3ded2;
  --paper-3: #d8d2c3;
  --ink: #111110;
  --ink-2: #34332f;
  --mute: #77736a;
  --rule: #c4bdac;
  --a: #ff4f00;      /* terminal A: international orange */
  --b: #2340ff;      /* terminal B: cobalt */
  --live: #ffb000;
  --ok: #0b7a3e;
  --warn: #b77900;
  --bad: #d01f1a;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(17, 17, 16, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(17, 17, 16, .045) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font: 400 16px/1.5 var(--sans);
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
code, pre, .mono { font-family: var(--mono); }
.mute { color: var(--mute); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }

/* ── top bar ─────────────────────────────────────────── */
.bar {
  position: sticky; top: 0; z-index: 20;
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  padding: 12px clamp(16px, 4vw, 40px);
  background: rgba(236, 232, 223, .92); backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--ink);
}
.mark { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 900 22px/1 var(--sans); font-variation-settings: "wdth" 125; letter-spacing: -.01em; }
.mark b { color: var(--a); font-weight: 900; }
.mark-fuse { width: 46px; height: 17px; }
.mark-fuse .cap { fill: var(--ink); }
.mark-fuse .glass { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.mark-fuse .wire-f { fill: none; stroke: var(--a); stroke-width: 1.8; stroke-linejoin: round; }
.plates { display: flex; flex-wrap: wrap; gap: 6px; }
.plate {
  display: inline-flex; align-items: center; gap: 7px; padding: 5px 10px;
  font: 500 11px/1 var(--mono); letter-spacing: .06em; text-decoration: none;
  border: 1.5px solid var(--ink); background: var(--paper-2);
}
.plate.link:hover { background: var(--ink); color: var(--paper); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mute); }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 3px rgba(11, 122, 62, .18); }
.dot.bad { background: var(--bad); }
.dot.busy { background: var(--live); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: .25 } }

main { max-width: 1240px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px) 80px; }

/* ── hero ────────────────────────────────────────────── */
.hero {
  display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(28px, 4vw, 60px); align-items: stretch;
  padding: clamp(28px, 4.5vw, 60px) 0 10px;
}
.hero-copy { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.kicker { margin: 0 0 18px; font: 500 12px/2.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.kicker a { display: inline-block; line-height: 1.3; background: var(--ink); color: var(--paper); padding: 5px 8px; text-decoration: none; }
.kicker a:hover { background: var(--a); }
h1 {
  margin: 0; font-weight: 900; font-size: clamp(40px, 5.3vw, 84px); line-height: .9; letter-spacing: -.02em; word-spacing: .14em;
  font-variation-settings: "wdth" 72;
  text-transform: uppercase;
}
.hl { color: var(--paper); background: var(--ink); padding: 0 .08em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.lede { max-width: 560px; margin: 22px 0 0; font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); }

/* ── fuse board ──────────────────────────────────────── */
.board {
  position: relative; margin-top: 30px;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 360px) minmax(0, 1fr); align-items: center;
  border: 2px solid var(--ink); background: var(--paper);
  box-shadow: 8px 8px 0 var(--ink);
}
.terminal { padding: 22px; min-width: 0; }
.terminal.a { border-right: 2px dashed var(--rule); }
.terminal.b { border-left: 2px dashed var(--rule); }
.plate-head { display: flex; align-items: center; gap: 10px; font: 600 12px/1 var(--mono); letter-spacing: .12em; }
.terminal.a .plate-head > span:nth-child(2) { color: var(--a); }
.terminal.b .plate-head > span:nth-child(2) { color: var(--b); }
.kind { margin-left: auto; color: var(--mute); font-weight: 500; }
.kind.set { color: var(--ink); }
.screw { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--ink); position: relative; }
.screw::after { content: ""; position: absolute; left: 1px; right: 1px; top: 3px; height: 1.5px; background: var(--ink); transform: rotate(35deg); }
.field { display: block; margin-top: 18px; }
.field input {
  width: 100%; padding: 6px 0 10px; border: 0; border-bottom: 3px solid var(--ink); background: transparent; outline: none;
  font: 800 clamp(26px, 3.4vw, 42px)/1.1 var(--sans); font-variation-settings: "wdth" 85; letter-spacing: -.02em; color: var(--ink);
}
.field input::placeholder { color: var(--paper-3); }
.terminal.a .field input:focus { border-color: var(--a); }
.terminal.b .field input:focus { border-color: var(--b); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.chips button {
  font: 500 12px/1 var(--mono); padding: 6px 8px; cursor: pointer; color: var(--ink-2);
  background: var(--paper-2); border: 1px solid var(--rule);
}
.chips button:hover { border-color: var(--ink); color: var(--ink); }

.fuse-wrap { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 18px 0 22px; }
.fuse { width: 100%; height: auto; overflow: visible; }
.fuse .lead { fill: none; stroke-width: 4; stroke-linecap: square; stroke: var(--rule); transition: stroke .3s; }
.fuse .cap { fill: var(--ink); }
.fuse .ribs { stroke: var(--paper-3); stroke-width: 1.5; }
.fuse .glass { fill: rgba(255, 255, 255, .45); stroke: var(--ink); stroke-width: 2.5; }
.fuse .filament { fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linejoin: round; transition: stroke .3s, filter .3s; }
.fuse .rating { font: 500 9px var(--mono); letter-spacing: .14em; text-anchor: middle; fill: var(--mute); }
.board.has-a .fuse .lead.a { stroke: var(--a); stroke-dasharray: 10 6; animation: flow .6s linear infinite; }
.board.has-b .fuse .lead.b { stroke: var(--b); stroke-dasharray: 10 6; animation: flow-r .6s linear infinite; }
.board.has-a.has-b .fuse .filament { stroke: var(--a); }
.board.surge .fuse .filament { stroke: var(--live); filter: drop-shadow(0 0 6px var(--live)) drop-shadow(0 0 14px var(--a)); }
@keyframes flow { to { stroke-dashoffset: -16; } }
@keyframes flow-r { to { stroke-dashoffset: 16; } }

.switch {
  display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer;
  padding: 14px 40px 12px; border: 2px solid var(--ink); background: var(--ink); color: var(--paper);
  box-shadow: 4px 4px 0 var(--a); transition: transform .08s, box-shadow .08s, background .15s;
}
.switch-label { font: 900 28px/1 var(--sans); font-variation-settings: "wdth" 125; letter-spacing: .06em; }
.switch-sub { font: 500 10px/1 var(--mono); letter-spacing: .14em; opacity: .7; }
.switch:hover { background: var(--a); color: var(--ink); box-shadow: 4px 4px 0 var(--ink); }
.switch:active { transform: translate(4px, 4px); box-shadow: 0 0 0 var(--ink); }
.switch:disabled { cursor: progress; opacity: .7; }
.form-msg { grid-column: 1 / -1; margin: 0; padding: 0 22px; min-height: 0; font: 500 13px var(--mono); color: var(--bad); }
.form-msg:not(:empty) { padding: 10px 22px; border-top: 2px solid var(--ink); background: #f6d9d4; }

/* ── section titles ──────────────────────────────────── */
.section-title {
  display: flex; align-items: baseline; gap: 14px; margin: 72px 0 18px; padding-bottom: 10px; border-bottom: 2px solid var(--ink);
  font: 900 clamp(26px, 3.4vw, 40px)/1 var(--sans); font-variation-settings: "wdth" 80; text-transform: uppercase; letter-spacing: -.02em;
}
.section-title > span { font: 500 13px var(--mono); color: var(--a); letter-spacing: .1em; }
.section-title small { margin-left: auto; font: 500 12px var(--mono); color: var(--mute); text-transform: none; letter-spacing: 0; }

/* ── procedure ───────────────────────────────────────── */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.steps li { display: flex; flex-direction: column; gap: 6px; padding: 16px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: var(--paper); }
.steps code { font-size: 11px; color: var(--mute); letter-spacing: .1em; }
.steps b { font: 800 20px/1.1 var(--sans); font-variation-settings: "wdth" 90; }
.steps span { color: var(--ink-2); font-size: 14px; }
.steps li:hover { background: var(--ink); color: var(--paper); }
.steps li:hover span, .steps li:hover code { color: var(--paper-3); }

/* ── parts catalog ───────────────────────────────────── */
.parts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.part {
  position: relative; display: flex; flex-direction: column; text-decoration: none; color: var(--ink);
  border: 2px solid var(--ink); background: var(--paper); transition: transform .12s, box-shadow .12s;
}
.part:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--ink); }
.part-head { display: flex; justify-content: space-between; padding: 8px 12px; border-bottom: 1px solid var(--ink); font: 500 11px var(--mono); letter-spacing: .08em; }
.part-body { padding: 16px 14px 14px; flex: 1; }
.part h3 { margin: 0; font: 900 34px/1 var(--sans); font-variation-settings: "wdth" 75; letter-spacing: -.02em; }
.part p { margin: 8px 0 0; color: var(--ink-2); font-size: 14px; }
.lineage { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); font: 500 12px var(--mono); }
.lineage span { padding: 8px 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lineage .la { background: var(--a); color: var(--ink); }
.lineage .lb { background: var(--b); color: #fff; }
.part-foot { display: flex; gap: 14px; padding: 8px 12px; border-top: 1px solid var(--ink); font: 500 11px var(--mono); color: var(--ink-2); }
.mini-stamp { position: absolute; top: 44px; right: 12px; transform: rotate(-8deg); padding: 3px 8px; border: 2.5px solid currentColor; font: 900 13px/1 var(--sans); font-variation-settings: "wdth" 110; letter-spacing: .08em; }
.ALIVE { color: var(--ok); } .UNSTABLE { color: var(--warn); } .DEAD, .REJECTED { color: var(--bad); }

/* ── run view ────────────────────────────────────────── */
.run-head { padding: 34px 0 6px; }
.back { font: 600 13px var(--mono); text-decoration: none; letter-spacing: .06em; }
.back:hover { color: var(--a); }
.run-title { margin: 14px 0 6px; font-size: clamp(36px, 6vw, 84px); text-transform: none; display: flex; flex-wrap: wrap; gap: 0 .25em; align-items: baseline; }
.run-title .ta { color: var(--a); } .run-title .tb { color: var(--b); }
.times { font-weight: 400; color: var(--ink); }
.run-id { font-size: 11px; color: var(--mute); word-break: break-all; }

.circuit { list-style: none; margin: 26px 0 22px; padding: 0; display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); }
.circuit li { position: relative; display: flex; flex-direction: column; align-items: center; gap: 8px; font: 500 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mute); text-align: center; }
.circuit li::before { content: ""; position: absolute; top: 9px; left: -50%; width: 100%; height: 3px; background: var(--rule); z-index: 0; }
.circuit li:first-child::before { display: none; }
.circuit i { position: relative; z-index: 1; width: 20px; height: 20px; border: 2.5px solid var(--rule); background: var(--paper); }
.circuit li.done { color: var(--ink); }
.circuit li.done::before, .circuit li.now::before { background: var(--ink); }
.circuit li.done i { background: var(--ink); border-color: var(--ink); }
.circuit li.now { color: var(--ink); font-weight: 600; }
.circuit li.now i { border-color: var(--a); background: var(--live); animation: blink .9s steps(2) infinite; }
.circuit li.fail i { background: var(--bad); border-color: var(--bad); }
.circuit li.fail { color: var(--bad); }

.bench { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 18px; align-items: start; }
.tape { border: 2px solid var(--ink); background: #f7f4ec; min-width: 0; }
.tape-head { display: flex; justify-content: space-between; padding: 9px 14px; border-bottom: 2px solid var(--ink); font: 600 11px var(--mono); letter-spacing: .12em; background: var(--paper-2); }
.rec { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--bad); margin-right: 8px; animation: blink 1.2s steps(2) infinite; }
.elapsed { font-variant-numeric: tabular-nums; }
#log {
  margin: 0; padding: 14px 16px 14px 22px; height: 460px; overflow: auto;
  font: 400 12.5px/1.65 var(--mono); color: var(--ink); white-space: pre-wrap; word-break: break-word;
  background: repeating-linear-gradient(#f7f4ec 0 20.6px, #ebe6da 20.6px 21.6px);
  border-left: 4px solid var(--a);
}
#log .cursor { display: inline-block; width: 8px; height: 14px; background: var(--ink); vertical-align: text-bottom; animation: blink 1s steps(2) infinite; }

.sheet { border: 2px solid var(--ink); background: var(--paper); margin-bottom: 14px; }
.sheet-head { display: flex; justify-content: space-between; padding: 8px 12px; font: 600 11px var(--mono); letter-spacing: .1em; color: var(--paper); }
.sheet.a .sheet-head { background: var(--a); color: var(--ink); }
.sheet.b .sheet-head { background: var(--b); }
.sheet-body { padding: 12px; font-size: 14px; }
.sheet-name { font: 900 26px/1 var(--sans); font-variation-settings: "wdth" 80; word-break: break-word; }
.sheet dl { display: grid; grid-template-columns: auto 1fr; gap: 3px 10px; margin: 10px 0 0; font: 400 12px var(--mono); }
.sheet dt { color: var(--mute); }
.sheet dd { margin: 0; word-break: break-word; }
.sheet ul { margin: 10px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); }
.sheet li { padding: 5px 0; border-bottom: 1px solid var(--rule); font-size: 13px; }
.sheet li::before { content: "▸ "; color: var(--mute); }
.sheet .twin { margin-top: 8px; padding: 8px; background: var(--paper-2); font-size: 12.5px; }

.pick { margin-top: 10px; }
.concepts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.concept {
  text-align: left; cursor: pointer; display: flex; flex-direction: column; gap: 10px;
  padding: 18px; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); font: inherit;
  transition: transform .12s, box-shadow .12s, background .12s;
}
.concept:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--a); }
.concept:disabled { opacity: .5; cursor: progress; }
.concept .num { font: 900 54px/.8 var(--sans); font-variation-settings: "wdth" 70; color: var(--paper-3); }
.concept h3 { margin: 0; font: 900 28px/1 var(--sans); font-variation-settings: "wdth" 80; }
.concept .tagline { margin: 0; font-weight: 600; }
.concept .desc { margin: 0; color: var(--ink-2); font-size: 14px; }
.concept .new { margin: 0; padding: 8px 10px; border-left: 4px solid var(--a); background: var(--paper-2); font-size: 13.5px; }
.concept .api { display: flex; flex-wrap: wrap; gap: 5px; }
.concept .api code { font-size: 11.5px; padding: 3px 6px; border: 1px solid var(--rule); }

.verdict { margin-top: 18px; }
.verdict-top { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 28px; align-items: center; padding: 28px; border: 2px solid var(--ink); background: var(--paper); }
.stamp {
  transform: rotate(-6deg); padding: 10px 22px 8px; border: 6px double currentColor;
  font: 900 clamp(46px, 8vw, 104px)/.9 var(--sans); font-variation-settings: "wdth" 115; letter-spacing: .02em; text-transform: uppercase;
  mix-blend-mode: multiply; animation: slam .45s cubic-bezier(.2, 1.6, .4, 1) both;
}
@keyframes slam { from { transform: rotate(-14deg) scale(1.8); opacity: 0; } to { transform: rotate(-6deg) scale(1); opacity: 1; } }
.verdict-info h3 { margin: 0; font: 900 clamp(30px, 4vw, 52px)/1 var(--sans); font-variation-settings: "wdth" 75; }
.verdict-info p { margin: 8px 0 0; color: var(--ink-2); }
.verdict-info .cert { margin-top: 14px; font: 400 11px var(--mono); color: var(--mute); word-break: break-all; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
.stat { padding: 14px 16px; border-right: 2px solid var(--ink); }
.stat b { display: block; font: 900 30px/1 var(--sans); font-variation-settings: "wdth" 80; }
.stat span { font: 500 11px var(--mono); color: var(--mute); letter-spacing: .06em; text-transform: uppercase; }
.tabs { display: flex; gap: 0; margin-top: 26px; }
.tabs button { font: 600 12px var(--mono); letter-spacing: .1em; text-transform: uppercase; padding: 10px 18px; cursor: pointer; border: 2px solid var(--ink); border-bottom: 0; background: var(--paper-2); color: var(--mute); margin-right: -2px; }
.tabs button.on { background: var(--paper); color: var(--ink); }
.tab { border: 2px solid var(--ink); background: var(--paper); padding: 20px; }
.md { overflow-x: auto; }
.md h1 { font-size: 34px; text-transform: none; letter-spacing: -.02em; }
.md h2 { font: 800 20px var(--sans); margin: 26px 0 8px; }
.md h3 { font: 700 16px var(--sans); }
.md table { border-collapse: collapse; font-size: 13px; margin: 8px 0; }
.md th, .md td { border: 1px solid var(--ink); padding: 6px 9px; text-align: left; vertical-align: top; }
.md th { background: var(--paper-2); }
.md code { font-size: .92em; background: var(--paper-2); padding: 1px 4px; }
.md pre { background: var(--ink); color: var(--paper); padding: 12px; overflow-x: auto; }
.md pre code { background: none; }
.md blockquote { margin: 8px 0; padding: 8px 14px; border-left: 4px solid var(--bad); background: #f6d9d4; }
.files { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 16px; }
.files ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.files li button { width: 100%; text-align: left; padding: 7px 8px; border: 0; border-bottom: 1px solid var(--rule); background: none; cursor: pointer; font: 400 12.5px var(--mono); color: var(--ink-2); word-break: break-all; }
.files li button:hover, .files li button.on { background: var(--ink); color: var(--paper); }
.code { margin: 0; padding: 14px; background: var(--ink); color: #e9e5da; overflow: auto; max-height: 600px; font: 400 12.5px/1.6 var(--mono); }

.foot { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; padding: 18px clamp(16px, 4vw, 40px); border-top: 2px solid var(--ink); font: 400 12px var(--mono); color: var(--ink-2); }

/* ── responsive ──────────────────────────────────────── */
@media (max-width: 960px) {
  .board { grid-template-columns: 1fr; box-shadow: 5px 5px 0 var(--ink); }
  .terminal.a { border-right: 0; border-bottom: 2px dashed var(--rule); }
  .terminal.b { border-left: 0; border-top: 2px dashed var(--rule); }
  .fuse-wrap { padding: 14px 22px; }
  .fuse { max-width: 300px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bench { grid-template-columns: 1fr; }
  .concepts { grid-template-columns: 1fr; }
  .circuit { grid-template-columns: repeat(5, minmax(0, 1fr)); row-gap: 16px; }
  .circuit li:nth-child(6)::before { display: none; }
  .verdict-top { grid-template-columns: 1fr; justify-items: start; }
  .files { grid-template-columns: 1fr; }
  #log { height: 380px; }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .plates .plate:not(#st-brain) { display: none; }
}
/* ══ Run page v2: reactor, stage cards, picker, try panel ══════════════ */
.reactor {
  display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 8px 24px; align-items: center;
  margin: 18px 0 22px; padding: 18px 22px; border: 2px solid var(--ink); background: var(--paper); box-shadow: 6px 6px 0 var(--ink);
}
.reactor-fuse { width: 100%; height: auto; overflow: visible; }
.r-lead { fill: none; stroke-width: 5; stroke-dasharray: 12 7; }
.r-lead.a { stroke: var(--a); animation: flow .55s linear infinite; }
.r-lead.b { stroke: var(--b); animation: flow-r .55s linear infinite; }
.reactor[data-done] .r-lead { animation: none; stroke-dasharray: none; }
.r-cap { fill: var(--ink); }
.r-glass { fill: #fff; stroke: var(--ink); stroke-width: 3; }
.r-heat { fill: var(--live); opacity: .55; transition: width 1.2s cubic-bezier(.2, .8, .2, 1); }
.r-filament { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; transition: stroke .4s, filter .4s; }
.reactor[data-hot] .r-filament { stroke: var(--a); filter: drop-shadow(0 0 4px var(--live)); animation: flicker-f 1.4s ease-in-out infinite; }
.reactor[data-done] .r-filament { stroke: var(--ok); filter: none; animation: none; }
.reactor[data-failed] .r-filament { stroke: var(--bad); animation: none; }
@keyframes flicker-f { 50% { filter: drop-shadow(0 0 10px var(--live)) drop-shadow(0 0 18px var(--a)); } }
.reactor-read .pct { font: 900 64px/.9 var(--sans); font-variation-settings: "wdth" 75; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.reactor-read .now { margin-top: 6px; font: 700 17px/1.25 var(--sans); }
.reactor-read .eta { margin-top: 4px; font: 500 12px var(--mono); color: var(--mute); letter-spacing: .04em; }
.reactor-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px; }
.ghost { font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 7px 10px; border: 1.5px solid var(--ink); background: transparent; cursor: pointer; }
.ghost:hover { background: var(--ink); color: var(--paper); }

.stages { list-style: none; margin: 0 0 18px; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.stage { position: relative; padding: 12px 14px; border: 2px solid var(--rule); background: var(--paper); min-height: 96px; transition: border-color .3s, transform .3s, box-shadow .3s; }
.stage .s-top { display: flex; justify-content: space-between; align-items: center; font: 600 10.5px var(--mono); letter-spacing: .1em; color: var(--mute); }
.stage .s-title { margin-top: 6px; font: 800 18px/1.15 var(--sans); font-variation-settings: "wdth" 88; }
.stage .s-detail { margin-top: 4px; font-size: 13px; color: var(--ink-2); line-height: 1.35; overflow-wrap: anywhere; }
.stage .s-time { font-variant-numeric: tabular-nums; }
.stage .s-icon { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--rule); }
.stage.pending { opacity: .55; }
.stage.now { border-color: var(--ink); box-shadow: 4px 4px 0 var(--a); transform: translate(-2px, -2px); opacity: 1; }
.stage.now .s-icon { border-color: var(--a); border-top-color: transparent; animation: spin .8s linear infinite; }
.stage.done { border-color: var(--ink); }
.stage.done .s-icon { border-color: var(--ok); background: var(--ok); }
.stage.done .s-icon::after { content: "✓"; display: block; color: #fff; font: 700 10px/12px var(--sans); text-align: center; }
.stage.fail { border-color: var(--bad); }
.stage.fail .s-icon { border-color: var(--bad); background: var(--bad); }
.stage.wait { border-color: var(--a); box-shadow: 4px 4px 0 var(--ink); animation: nudge 1.6s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes nudge { 50% { transform: translate(-2px, -3px); } }
.stage .caps { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.stage .caps span { font: 500 10.5px var(--mono); padding: 2px 6px; border: 1px solid var(--rule); background: var(--paper-2); }
.stage .pick-again { margin-top: 8px; font: 700 12px var(--mono); padding: 6px 10px; border: 2px solid var(--ink); background: var(--a); cursor: pointer; }

.nerd { margin: 6px 0 18px; border: 2px solid var(--ink); background: #f7f4ec; }
.nerd summary { cursor: pointer; display: flex; align-items: center; gap: 8px; padding: 9px 14px; font: 600 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; background: var(--paper-2); }
.nerd summary .elapsed { margin-left: auto; }
.nerd[open] summary { border-bottom: 2px solid var(--ink); }
.nerd #log { height: 360px; }

.picker {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 20px;
  background: rgba(17, 17, 16, .92); animation: fade .35s ease both; overflow-y: auto;
}
@keyframes fade { from { opacity: 0; } }
.picker-inner { width: min(1120px, 100%); }
.picker-kicker { margin: 0; text-align: center; font: 600 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--live); }
.picker h2 { margin: 8px 0 22px; text-align: center; color: var(--paper); font: 900 clamp(34px, 5vw, 64px)/1 var(--sans); font-variation-settings: "wdth" 75; text-transform: uppercase; letter-spacing: -.02em; }
.picker .concepts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.picker .concept { background: var(--paper); cursor: default; animation: rise .5s cubic-bezier(.2, 1.2, .4, 1) both; }
.picker .concept:nth-child(2) { animation-delay: .08s; }
.picker .concept:nth-child(3) { animation-delay: .16s; }
@keyframes rise { from { transform: translateY(40px); opacity: 0; } }
.picker .concept:hover { transform: translate(-3px, -3px); box-shadow: 8px 8px 0 var(--a); }
.concept .blend { height: 8px; margin: -18px -18px 4px; background: linear-gradient(90deg, var(--a) 0 48%, var(--ink) 48% 52%, var(--b) 52%); }
.concept .build { margin-top: auto; align-self: stretch; padding: 12px; font: 900 16px var(--sans); font-variation-settings: "wdth" 115; letter-spacing: .08em; color: var(--paper); background: var(--ink); border: 2px solid var(--ink); cursor: pointer; }
.concept .build:hover { background: var(--a); color: var(--ink); }
.concept .build:disabled { opacity: .6; cursor: progress; }
.picker-note { margin-top: 18px; text-align: center; color: var(--paper-3); }

.verdict-top { grid-template-columns: auto minmax(0, 1fr) auto; }
.verdict-actions { display: flex; flex-direction: column; gap: 8px; }
.btn { display: inline-flex; justify-content: center; align-items: center; padding: 11px 18px; font: 800 14px var(--sans); letter-spacing: .04em; text-decoration: none; color: var(--ink); background: var(--paper); border: 2px solid var(--ink); cursor: pointer; box-shadow: 3px 3px 0 var(--ink); }
.btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn.primary { background: var(--a); }
.btn:active { transform: translate(3px, 3px); box-shadow: 0 0 0 var(--ink); }

.try { margin-top: 18px; border: 2px solid var(--ink); background: #fff; box-shadow: 6px 6px 0 var(--b); }
.try-head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 2px solid var(--ink); background: var(--paper-2); font-size: 14px; }
.try-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(11, 122, 62, .18); }
.try-open { margin-left: auto; font: 600 12px var(--mono); }
#try-frame { display: block; width: 100%; height: 560px; border: 0; background: #fff; }

.toast { position: fixed; left: 50%; bottom: 24px; z-index: 60; transform: translateX(-50%); padding: 10px 16px; background: var(--ink); color: var(--paper); font: 600 13px var(--mono); box-shadow: 4px 4px 0 var(--a); animation: fade .2s ease both; }

@media (max-width: 960px) {
  .reactor { grid-template-columns: 1fr; }
  .picker .concepts { grid-template-columns: 1fr; }
  .picker { place-items: start center; }
  .picker h2 { font-size: 30px; }
  .verdict-top { grid-template-columns: 1fr; }
  .verdict-actions { flex-direction: row; flex-wrap: wrap; }
  #try-frame { height: 480px; }
}

/* ══ Finished run: compact two-column page ═══════════════════════════════ */
#run.finished .reactor, #run.finished #rail, #run.finished .nerd { display: none; }
#run.finished .run-head { padding-top: 22px; }
#run.finished .run-title { font-size: clamp(28px, 4vw, 48px); margin: 8px 0 0; }
.done-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 440px); gap: 28px; align-items: start; margin-top: 14px; }
.done-left { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.done-right { position: sticky; top: 72px; }
.done-title { display: flex; align-items: center; gap: 18px; }
.done-title .stamp { font-size: clamp(26px, 3vw, 38px); padding: 6px 12px 4px; border-width: 4px; flex: none; }
.c-name { margin: 0; font: 900 clamp(30px, 3.6vw, 46px)/1 var(--sans); font-variation-settings: "wdth" 75; letter-spacing: -.02em; }
.c-tag { margin: 6px 0 0; color: var(--ink-2); font-size: 15px; }

.lineage-graphic { width: 100%; max-width: 560px; height: auto; }
.lg-wire { fill: none; stroke-width: 4; stroke-linecap: round; stroke-dasharray: 9 6; animation: flow .7s linear infinite; }
.lg-wire.a { stroke: var(--a); }
.lg-wire.b { stroke: var(--b); animation-name: flow-r; }
.lg-wire.out { stroke: var(--ok); stroke-dasharray: none; animation: none; }
.lg-node rect { stroke: var(--ink); stroke-width: 2; }
.lg-node.a rect { fill: var(--a); }
.lg-node.b rect { fill: var(--b); }
.lg-node.out rect { fill: var(--ink); }
.lg-node text { font: 800 15px var(--sans); text-anchor: middle; }
.lg-node.a text { fill: var(--ink); }
.lg-node.b text, .lg-node.out text { fill: #fff; }
.lg-fuse rect { fill: var(--ink); }
.lg-fuse .glass { fill: #fff; stroke: var(--ink); stroke-width: 2; }
.lg-fuse path { fill: none; stroke: var(--a); stroke-width: 2; stroke-linejoin: round; }

.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 2px solid var(--ink); background: var(--paper); }
.kpis .stat { padding: 10px 12px; border-right: 1px solid var(--rule); }
.kpis .stat:last-child { border-right: 0; }
.kpis .stat b { font-size: 22px; }
.kpis .stat span { font-size: 10px; }
.donor-line { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--ink-2); }
.donor-line li { padding: 4px 8px; border: 1px solid var(--rule); background: var(--paper-2); }
.donor-line li b { color: var(--ink); }
.done-left .verdict-actions { flex-direction: row; flex-wrap: wrap; }
.cert { font: 400 10.5px var(--mono); color: var(--mute); word-break: break-all; }

.done-right .try { margin: 0; }
.done-right #try-frame { height: min(78vh, 760px); }
.try-empty { padding: 40px 20px; text-align: center; border: 2px dashed var(--rule); color: var(--mute); }

.fold { margin-top: 18px; border: 2px solid var(--ink); background: var(--paper); }
.fold summary { cursor: pointer; padding: 11px 16px; font: 700 14px var(--sans); list-style-position: inside; }
.fold[open] summary { border-bottom: 2px solid var(--ink); }
.fold .tabs { margin: 14px 16px 0; }
.fold .tab { margin: 0 16px 16px; }
.made-list { margin: 0; padding: 10px 16px 14px 36px; display: grid; gap: 6px; font-size: 13.5px; }
.made-list li::marker { color: var(--a); font-weight: 700; }
.made-list b { font-weight: 700; }
.made-list span { color: var(--ink-2); }

@media (max-width: 960px) {
  .done-grid { grid-template-columns: 1fr; }
  .done-right { position: static; order: -1; }
  .done-right #try-frame { height: 640px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpis .stat:nth-child(2) { border-right: 0; }
}

/* ══ Phone frame: the creature runs on a real 390×800 phone screen ══════ */
.done-right { position: static; top: auto; display: flex; flex-direction: column; align-items: center; min-width: 0; }
.phone-fit { overflow: hidden; }
.done-right .try { margin: 0; border: 0; box-shadow: none; background: transparent; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.phone-fit { position: relative; width: 418px; height: 894px; }
.phone {
  position: absolute; top: 0; left: 0; width: 418px; height: 894px; transform-origin: top left;
  padding: 14px; border-radius: 62px; background: linear-gradient(145deg, #2a2a2e, #0d0d0f 40%, #1b1b1f);
  box-shadow: 0 0 0 2px #3a3a40, 0 0 0 5px #0b0b0d, 0 40px 80px -30px rgba(17, 17, 16, .55), inset 0 0 0 2px #46464d;
}
.phone-btn { position: absolute; width: 4px; border-radius: 2px; background: #2b2b30; }
.phone-btn.left { left: -6px; top: 170px; height: 90px; box-shadow: 0 -60px 0 0 #2b2b30; }
.phone-btn.right { right: -6px; top: 210px; height: 120px; }
.phone-screen { position: relative; width: 390px; height: 866px; border-radius: 48px; overflow: hidden; background: #000; display: flex; flex-direction: column; }
.phone-status { flex: none; height: 44px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 26px; color: #fff; font: 600 14px/1 -apple-system, system-ui, sans-serif; }
.phone-status .phone-icons { justify-self: end; font-size: 10px; letter-spacing: 1px; opacity: .9; }
.phone-island { width: 118px; height: 32px; border-radius: 20px; background: #000; box-shadow: 0 0 0 1px #111; }
.done-right #try-frame, #try-frame { display: block; flex: none; width: 390px; height: 800px; border: 0; background: #fff; }
.phone-home { flex: none; height: 22px; display: grid; place-items: center; background: #000; }
.phone-home::after { content: ""; width: 132px; height: 5px; border-radius: 3px; background: #e9e9ec; }
.try-foot { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.try-foot .try-open { margin-left: 6px; }

/* ══ Phones: most visitors are here ════════════════════════════════════ */
@media (max-width: 600px) {
  body { font-size: 15px; background-size: 20px 20px; }
  main { padding: 0 14px 56px; }
  .bar { padding: 10px 14px; }
  .mark { font-size: 19px; gap: 8px; }
  .mark-fuse { width: 38px; }

  /* home: get the two inputs on the first screen */
  .hero { padding: 22px 0 6px; }
  .kicker { margin-bottom: 10px; font-size: 10.5px; }
  h1 { font-size: clamp(38px, 12.5vw, 54px); }
  .lede { margin-top: 12px; font-size: 15.5px; }
  .board { margin-top: 18px; box-shadow: 4px 4px 0 var(--ink); }
  .terminal { padding: 14px 16px; }
  .field { margin-top: 10px; }
  .field input { font-size: 28px; padding-bottom: 8px; }
  .chips { margin-top: 10px; }
  .chips button { padding: 7px 9px; }
  .fuse-wrap { flex-direction: row; justify-content: center; gap: 14px; padding: 10px 16px; }
  .fuse { max-width: 150px; }
  .fuse .rating { display: none; }
  .switch { padding: 10px 22px 9px; }
  .switch-label { font-size: 22px; }
  .section-title { margin: 44px 0 12px; font-size: 26px; flex-wrap: wrap; }
  .section-title small { margin-left: 0; flex-basis: 100%; }
  .steps li { padding: 12px 14px; }
  .parts { grid-template-columns: 1fr; gap: 12px; }
  .part h3 { font-size: 28px; }

  /* running page */
  .run-head { padding: 16px 0 0; }
  .run-title { font-size: 32px; margin-top: 8px; }
  .reactor { margin: 12px 0 14px; padding: 12px 14px; gap: 4px; box-shadow: 4px 4px 0 var(--ink); }
  .reactor-read { display: grid; grid-template-columns: auto 1fr; column-gap: 12px; align-items: center; }
  .reactor-read .pct { font-size: 42px; grid-row: span 2; }
  .reactor-read .now { margin: 0; font-size: 15px; }
  .reactor-read .eta { margin: 0; }
  .reactor-actions { gap: 6px; }
  .stages { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stage { min-height: 0; padding: 10px; }
  .stage .s-title { font-size: 15px; }
  .stage .s-detail { font-size: 12px; }
  .stage.pending .s-detail, .stage.done .caps { display: none; }
  .stage.now, .stage.wait, .stage.fail { grid-column: 1 / -1; }
  .stage.pending .s-time { display: none; }
  .stage.done .s-detail { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .nerd #log { height: 300px; font-size: 11.5px; }

  /* picker */
  .picker { padding: 14px; }
  .picker h2 { margin-bottom: 14px; }
  .picker .concept { padding: 16px; }
  .concept .blend { margin: -16px -16px 4px; }
  .concept .num { font-size: 40px; }
  .concept h3 { font-size: 24px; }

  /* finished page: preview first, then the essentials */
  #run.finished .run-title { font-size: 30px; }
  .done-grid { gap: 18px; margin-top: 10px; grid-template-columns: minmax(0, 1fr); }
  .done-title { gap: 12px; }
  .done-title .stamp { font-size: 24px; border-width: 3px; }
  .c-name { font-size: 30px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpis .stat:nth-child(2) { border-right: 0; }
  .kpis .stat:nth-child(-n + 2) { border-bottom: 1px solid var(--rule); }
  .done-left .verdict-actions { display: grid; grid-template-columns: 1fr 1fr 1fr; }
  .done-left .verdict-actions .btn { padding: 11px 6px; font-size: 13px; }
  .fold summary { padding: 12px 14px; }
  .fold .tabs { margin: 12px 12px 0; overflow-x: auto; }
  .fold .tab { margin: 0 12px 12px; padding: 12px; }
  .md table { display: block; overflow-x: auto; }
  .foot { padding: 16px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}


/* ══ Home v2: reactor hero, lit procedure, usage ═══════════════════════ */
.facts { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 26px 0 0; padding: 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); }
.facts li { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px 10px 0; }
.facts li + li { padding-left: 12px; border-left: 1px solid var(--rule); }
.facts b { font: 900 30px/1 var(--sans); font-variation-settings: "wdth" 80; }
.facts span { font: 500 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mute); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.cta .btn {
  display: inline-flex; align-items: center; padding: 12px 18px; border: 2px solid var(--ink); text-decoration: none; color: var(--ink);
  font: 700 13px var(--mono); letter-spacing: .08em; text-transform: uppercase; background: var(--paper);
  box-shadow: 3px 3px 0 var(--ink); transition: transform .08s, box-shadow .08s, background .15s;
}
.cta .btn.primary { background: var(--ink); color: var(--paper); box-shadow: 3px 3px 0 var(--a); }
.cta .btn:hover { background: var(--a); color: var(--ink); }
.cta .btn:active { transform: translate(3px, 3px); box-shadow: none; }

.chamber {
  position: relative; margin: 0; min-height: 560px; overflow: hidden; isolation: isolate;
  border: 2px solid var(--ink); background: #111110;
  box-shadow: 6px 6px 0 var(--a), 12px 12px 0 var(--b);
}
.chamber canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: crosshair; touch-action: pan-y; }
.chamber::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.025) 0 1px, transparent 1px 3px),
              radial-gradient(120% 90% at 50% 45%, transparent 55%, rgba(0,0,0,.45));
}
.cx-cap {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 30px 16px 14px; pointer-events: none; color: var(--paper);
  background: linear-gradient(to top, rgba(17,17,16,.97) 62%, rgba(17,17,16,0));
}
.cx-stages { list-style: none; display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 4px; margin: 0 0 10px; padding: 0; font: 500 10px var(--mono); letter-spacing: .06em; }
.cx-stages li { padding-top: 5px; text-align: center; border-top: 2px solid rgba(236,232,223,.16); color: rgba(236,232,223,.35); transition: color .2s, border-color .2s; }
.cx-stages li.done { border-color: rgba(236,232,223,.8); color: rgba(236,232,223,.8); }
.cx-stages li.on { border-color: var(--live); color: var(--live); }
.cx-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cx-pair { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 .35em; min-width: 0; margin: 0; font: 800 clamp(17px, 1.8vw, 23px)/1.15 var(--sans); font-variation-settings: "wdth" 85; text-transform: uppercase; }
.cx-pair .ta { color: var(--a); }
.cx-pair .tb { color: #6f86ff; }
.cx-pair .tc { color: var(--paper); opacity: .3; transition: opacity .4s; }
.chamber.cx-grown .cx-pair .tc { opacity: 1; }
.cx-pair i { font-style: normal; font-weight: 400; color: var(--mute); }
.cx-open {
  pointer-events: auto; flex: none; padding: 7px 10px; border: 1px solid rgba(236,232,223,.4); color: var(--paper); text-decoration: none;
  font: 600 11.5px var(--mono); letter-spacing: .06em;
}
.cx-open:hover { background: var(--paper); color: var(--ink); }
.cx-tag { margin: 6px 0 0; min-height: 1.4em; font-size: 14px; color: rgba(236,232,223,.72); opacity: 0; transform: translateY(4px); transition: opacity .4s, transform .4s; }
.chamber.cx-grown .cx-tag { opacity: 1; transform: none; }

.board { margin-top: 40px; }

/* procedure: current runs through the steps as they scroll in */
.steps li { position: relative; }
.steps li::before { content: ""; position: absolute; left: 0; top: -1px; width: 0; height: 3px; background: var(--a); transition: width .55s cubic-bezier(.2,.7,.2,1); }
.steps li.lit::before { width: 100%; }
.steps li.lit code { color: var(--a); }
.steps li.lit:hover code { color: var(--live); }

/* usage */
.use-tabs { display: inline-flex; margin-bottom: 18px; border: 2px solid var(--ink); box-shadow: 3px 3px 0 var(--ink); }
.use-tabs button {
  padding: 11px 18px; border: 0; background: var(--paper); color: var(--ink); cursor: pointer;
  font: 700 13px var(--mono); letter-spacing: .08em; text-transform: uppercase;
}
.use-tabs button + button { border-left: 2px solid var(--ink); }
.use-tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.use-tabs button[aria-selected="false"]:hover { background: var(--paper-2); }
.howto { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0 0 18px; padding: 0; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.howto li { padding: 20px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); background: var(--paper); }
.howto code { font: 600 12px var(--mono); color: var(--a); letter-spacing: .1em; }
.howto h3 { margin: 8px 0 6px; font: 800 24px/1.05 var(--sans); font-variation-settings: "wdth" 85; text-transform: uppercase; letter-spacing: -.01em; }
.howto p { margin: 0; color: var(--ink-2); font-size: 15px; }
.code-card { display: flex; flex-direction: column; min-width: 0; border: 2px solid var(--ink); background: var(--ink); color: #e9e5da; }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 8px 8px 14px; border-bottom: 1px solid var(--ink-2); font: 500 12px var(--mono); color: var(--paper-3); }
.code-head b { color: var(--a); }
.code-card pre { margin: 0; padding: 14px; overflow: auto; font: 400 12.5px/1.65 var(--mono); }
#agent-prompt { white-space: pre-wrap; max-height: 380px; }
.copy { flex: none; padding: 6px 10px; border: 0; background: var(--paper); color: var(--ink); cursor: pointer; font: 700 11px var(--mono); letter-spacing: .06em; }
.copy:hover { background: var(--a); }
.copy.done { background: var(--ok); color: #fff; }
.code-note { margin: 0; padding: 0 14px 14px; font-size: 13.5px; color: #bdb7a8; }
.code-note code { color: var(--live); font-size: 12.5px; }
.code-note a { color: var(--paper); }
.agent-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.code-card.wide { grid-column: 1 / -1; }

@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; }
  .chamber { min-height: 480px; }
  .lede { max-width: 680px; }
}
@media (max-width: 960px) {
  .howto, .agent-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .hero { gap: 22px; padding-top: 18px; }
  h1 { font-size: clamp(34px, 10.4vw, 48px); }
  .hero-copy .lede { display: none; }
  .facts { margin-top: 16px; }
  .facts b { font-size: 24px; }
  .facts span { font-size: 9.5px; }
  .cta { margin-top: 16px; gap: 10px; }
  .cta .btn { flex: 1; justify-content: center; padding: 11px 10px; font-size: 12px; }
  .chamber { min-height: 420px; box-shadow: 4px 4px 0 var(--a), 8px 8px 0 var(--b); margin-right: 8px; }
  .cx-cap { padding: 26px 12px 12px; }
  .cx-stages { gap: 2px; font-size: 8px; letter-spacing: 0; }
  .cx-pair { font-size: 16px; }
  .cx-open { padding: 6px 8px; font-size: 10.5px; }
  .cx-tag { font-size: 13px; }
  .board { margin-top: 26px; }
  .use-tabs { display: flex; }
  .use-tabs button { flex: 1; padding: 11px 8px; font-size: 12px; }
  .howto li { padding: 16px; }
  .howto h3 { font-size: 21px; }
  .code-card pre { font-size: 11.5px; }
}

#use, #fuse-form { scroll-margin-top: 72px; }

/* live ticker */
.ticker { position: relative; margin-top: 34px; overflow: hidden; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); background: var(--ink); color: var(--paper); }
.ticker::before, .ticker::after { content: ""; position: absolute; top: 0; bottom: 0; width: 40px; z-index: 1; pointer-events: none; }
.ticker::before { left: 0; background: linear-gradient(to right, var(--ink), transparent); }
.ticker::after { right: 0; background: linear-gradient(to left, var(--ink), transparent); }
.ticker-track { display: flex; width: max-content; animation: tick var(--tk-time, 20s) linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes tick { to { transform: translateX(-50%); } }
.tk { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; border-right: 1px solid var(--ink-2); font: 500 12px var(--mono); letter-spacing: .06em; white-space: nowrap; text-transform: uppercase; }
.tk b { font-weight: 600; }
.tk .ta { color: var(--a); }
.tk .tb { color: #6f86ff; }
.tk i { font-style: normal; color: var(--mute); }
.tk em { font-style: normal; font-weight: 700; padding: 2px 6px; border: 1.5px solid currentColor; }
.tk em.ALIVE { color: #26c46e; }
.tk.pulse b { color: var(--live); }
.tk .dot { width: 7px; height: 7px; }
.ticker + .board { margin-top: 30px; }
@media (max-width: 600px) { .ticker { margin: 24px -14px 0; } .tk { padding: 9px 16px; font-size: 11px; } }


/* ══ Board fuse v2: same fuse, live current ═══════════════════════════ */
.fuse-col { width: 100%; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.fuse-stage { position: relative; width: 100%; }
.fuse-stage .fuse { display: block; }
.fuse-sparks { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.fuse .glass { fill: #111110; stroke: none; }
.fuse .glass-rim { fill: none; stroke: var(--ink); stroke-width: 2.5; }
.fuse .filament { stroke: rgba(255, 176, 0, .45); stroke-width: 2; }
.fuse .filament-glow { fill: none; stroke: var(--live); stroke-width: 6; stroke-linejoin: round; opacity: .08; filter: blur(2px); transition: opacity .4s; }
.board .fuse .lead { stroke: var(--rule); }
.board.has-a .fuse .filament, .board.has-b .fuse .filament { stroke: rgba(255, 176, 0, .75); }
.board.has-a .fuse .filament-glow, .board.has-b .fuse .filament-glow { opacity: .3; }
.board.has-a.has-b .fuse .filament { stroke: var(--live); animation: hum 1.1s ease-in-out infinite; }
.board.has-a.has-b .fuse .filament-glow { opacity: .6; animation: hum 1.1s ease-in-out infinite; }
.board.surge .fuse .filament { stroke: #fff6dc; filter: drop-shadow(0 0 4px var(--live)) drop-shadow(0 0 12px var(--a)); animation: flicker .12s steps(2) infinite; }
.board.surge .fuse .filament-glow { opacity: 1; }
@keyframes hum { 50% { opacity: .55; } }
@keyframes flicker { 50% { opacity: .6; } }

.fuse-meter { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px; width: min(100%, 260px); font: 600 10px/1 var(--mono); letter-spacing: .1em; }
.fuse-meter #fuse-amps { min-width: 6ch; color: var(--ink); font-variant-numeric: tabular-nums; }
.fuse-meter #fuse-state { color: var(--mute); text-align: right; min-width: 7ch; }
.fuse-bar { position: relative; height: 6px; border: 1.5px solid var(--ink); background: var(--paper-2); overflow: hidden; }
.fuse-bar b { position: absolute; inset: 0; transform-origin: left; transform: scaleX(.1); background: linear-gradient(90deg, var(--a), var(--live) 60%, var(--b)); }
.board[data-fuse="armed"] #fuse-state, .board[data-fuse="fusing"] #fuse-state { color: var(--a); }
.board[data-fuse="a-wired"] #fuse-state { color: var(--a); }
.board[data-fuse="b-wired"] #fuse-state { color: var(--b); }

.switch { position: relative; overflow: hidden; }
.switch::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%; pointer-events: none;
  background: linear-gradient(100deg, transparent, rgba(255, 246, 220, .28), transparent); transform: skewX(-18deg); opacity: 0;
}
.board.has-a.has-b .switch { animation: armed 1.6s ease-in-out infinite; }
.board.has-a.has-b .switch::after { opacity: 1; animation: sheen 1.6s ease-in-out infinite; }
@keyframes armed { 0%, 100% { box-shadow: 4px 4px 0 var(--a); } 50% { box-shadow: 4px 4px 0 var(--b); } }
@keyframes sheen { from { left: -60%; } to { left: 130%; } }

@media (max-width: 960px) { .fuse-col { max-width: 300px; } }
@media (max-width: 600px) {
  .fuse-col { max-width: 170px; gap: 6px; }
  .fuse-stage .fuse { max-width: none; }
  .fuse-meter { gap: 5px; font-size: 8.5px; letter-spacing: .04em; }
}

/* hero stats: real lab totals */
.facts { grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr)); }
.facts b { font-variant-numeric: tabular-nums; }
.facts li:first-child b { color: var(--a); font-size: 38px; }
.facts span { font-size: 10px; line-height: 1.3; }
@media (max-width: 600px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .facts li:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .facts li:first-child b { font-size: 30px; }
}