/* Hindsight. A quiet operations console: neutral surfaces, one accent used
   as a signal, and the amber exhibit tag that ties every claim to its
   evidence as the only decorative element. Dark by default; light on request. */
:root, :root[data-theme="dark"] {
  --bg: #07080c;
  --bg-2: #0c0e14;
  --surface: rgba(16, 18, 25, .72);
  --surface-2: rgba(21, 24, 33, .92);
  --surface-hover: rgba(28, 32, 43, .8);
  --border: rgba(255, 255, 255, .075);
  --border-strong: rgba(255, 255, 255, .14);
  --ink: #ececef;
  --ink-soft: #a0a3ad;
  --ink-faint: #6c707c;
  --accent: #76b900;
  --accent-ink: #8ccf1c;
  --accent-wash: rgba(118, 185, 0, .1);
  --exhibit: #e9a923;
  --exhibit-ink: #14110a;
  --fail: #f0604d;
  --fail-wash: rgba(240, 96, 77, .09);
  --warn-wash: rgba(233, 169, 35, .08);
  --steady: #4cc38a;
  --steady-wash: rgba(76, 195, 138, .08);
  --nano: #5b9cf0;
  --ultra: #9b82f0;
  --super: #e073a8;
  --research: #46b8c0;
  --code-bg: rgba(255, 255, 255, .03);
  --shadow: 0 1px 0 rgba(255, 255, 255, .03) inset, 0 20px 40px -24px rgba(0, 0, 0, .7);
  --spot: rgba(255, 255, 255, .05);
  --primary-bg: #ececef;
  --primary-ink: #0b0c10;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f5f6f8;
  --bg-2: #fbfbfc;
  --surface: rgba(255, 255, 255, .78);
  --surface-2: rgba(255, 255, 255, .96);
  --surface-hover: rgba(255, 255, 255, .98);
  --border: rgba(12, 16, 28, .08);
  --border-strong: rgba(12, 16, 28, .16);
  --ink: #111318;
  --ink-soft: #565a66;
  --ink-faint: #8a8e99;
  --accent: #4d8a00;
  --accent-ink: #427800;
  --accent-wash: rgba(77, 138, 0, .08);
  --exhibit: #e5a21a;
  --exhibit-ink: #14110a;
  --fail: #c9402c;
  --fail-wash: rgba(201, 64, 44, .07);
  --warn-wash: rgba(229, 162, 26, .1);
  --steady: #1d8a5c;
  --steady-wash: rgba(29, 138, 92, .07);
  --nano: #2f74c9;
  --ultra: #6a4fd0;
  --super: #b03d76;
  --research: #18848c;
  --code-bg: rgba(12, 16, 28, .035);
  --shadow: 0 1px 2px rgba(12, 16, 28, .04), 0 16px 32px -24px rgba(12, 16, 28, .25);
  --spot: rgba(12, 16, 28, .025);
  --primary-bg: #111318;
  --primary-ink: #ffffff;
  color-scheme: light;
}
:root {
  --sans: "Geist", "Inter", system-ui, sans-serif;
  --mono: "Geist Mono", "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --radius: 10px;
  --radius-sm: 7px;
  --tag-clip: polygon(0 0, 100% 0, 100% 62%, 80% 100%, 0 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  margin: 0; min-height: 100vh;
  color: var(--ink);
  font: 400 15px/1.6 var(--sans);
  font-feature-settings: "ss01", "cv11";
  background: linear-gradient(180deg, var(--bg-2), var(--bg) 60%);
  background-attachment: fixed;
}
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: 3px; text-decoration-color: var(--border-strong); transition: color .2s, text-decoration-color .2s; }
a:hover { text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.num, .meter dd, .stats dd { font-variant-numeric: tabular-nums; }

/* --- the scene behind everything --- */
#scene {
  position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: -2;
  opacity: 0; transition: opacity 1.6s var(--ease);
}
#scene.on { opacity: 1; }
.scene-veil {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 85% 75% at 50% 25%, transparent 0, var(--bg) 110%);
  opacity: .4;
}
.spotlight {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(600px circle at var(--px, -999px) var(--py, -999px), var(--spot), transparent 70%);
}

/* --- icons --- */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ico {
  width: 1.1em; height: 1.1em; flex: none; vertical-align: -.18em;
  fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: square; stroke-linejoin: miter;
}
.ico .fill, .ico .dot { fill: currentColor; stroke: none; }
.ico .hot { stroke: var(--exhibit); }
.ico .thin { stroke-width: 1; opacity: .55; }

/* --- top bar --- */
.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 20px;
  height: 56px; padding: 0 28px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(12px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.brand-mark { width: 22px; height: 22px; color: var(--accent-ink); fill: none; stroke: currentColor; stroke-width: 1.7; }
.brand-mark .dot { fill: var(--exhibit); stroke: none; }
.brand-name { font: 600 16px/1 var(--sans); letter-spacing: -.01em; }
.bar-note { flex: 1; font: 400 12px var(--mono); color: var(--ink-faint); }
.bar-nav { display: flex; align-items: center; gap: 6px; font-size: 13.5px; }
.bar-nav a { text-decoration: none; color: var(--ink-soft); padding: 6px 10px; border-radius: var(--radius-sm); transition: color .2s, background .2s; }
.bar-nav a:hover { color: var(--ink); background: var(--surface-hover); }
.theme-toggle {
  display: grid; place-items: center; width: 32px; height: 32px; padding: 0; margin-left: 6px;
  font-size: 16px; color: var(--ink-soft);
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.theme-toggle .ico { transition: transform .5s var(--ease); }
:root[data-theme="light"] .theme-toggle .ico { transform: rotate(180deg); }
.theme-toggle:hover { color: var(--ink); border-color: var(--border-strong); background: var(--surface-hover); }

/* --- shared --- */
.section-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  margin-bottom: 6px;
}
h2 { font: 600 19px/1.3 var(--sans); letter-spacing: -.015em; }
h3 { font: 500 11.5px/1.3 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--ink-faint); margin: 20px 0 8px; }
.hint { color: var(--ink-soft); font-size: 14px; max-width: 72ch; margin-bottom: 18px; }
.eyebrow { font: 400 12px/1 var(--mono); color: var(--ink-faint); margin-bottom: 10px; }
.glass { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.notice {
  display: flex; gap: 10px; align-items: flex-start;
  border: 1px solid color-mix(in srgb, var(--exhibit) 28%, transparent); background: var(--warn-wash);
  border-radius: var(--radius-sm); padding: 10px 14px; margin-top: 22px; max-width: 72ch;
  font-size: 13.5px; color: var(--ink-soft); animation: rise .4s var(--ease) both;
}
.notice.bad { border-color: color-mix(in srgb, var(--fail) 30%, transparent); background: var(--fail-wash); }

button, .button {
  display: inline-flex; align-items: center; gap: 7px;
  font: 500 13.5px/1 var(--sans); color: var(--ink);
  background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 8px 12px; cursor: pointer; text-decoration: none;
  transition: background .18s, color .18s, border-color .18s, opacity .18s;
}
button:hover, .button:hover { background: var(--surface-hover); border-color: color-mix(in srgb, var(--ink) 30%, transparent); }
button.primary { background: var(--primary-bg); border-color: var(--primary-bg); color: var(--primary-ink); }
button.primary:hover { opacity: .88; background: var(--primary-bg); }
button.quiet { background: transparent; border-color: transparent; color: var(--ink-soft); padding-left: 8px; padding-right: 8px; }
button.quiet:hover { color: var(--ink); background: var(--surface-hover); border-color: var(--border); }
button:disabled, button:disabled:hover { opacity: .38; cursor: not-allowed; }

/* The exhibit tag: the signature. Used for E1.. evidence and R1.. references. */
.tag {
  display: inline-block; min-width: 2em; text-align: center;
  font: 600 11.5px/1 var(--mono); letter-spacing: .01em;
  color: var(--exhibit-ink); background: var(--exhibit);
  padding: 4px 8px 4px 6px; border: 0; border-radius: 0; vertical-align: 1px;
  clip-path: var(--tag-clip); cursor: pointer; text-decoration: none;
  transition: filter .15s;
}
.tag:hover { background: var(--exhibit); border: 0; filter: brightness(1.12); }
.tag.ref { background: color-mix(in srgb, var(--research) 75%, #fff); }

/* severity pips instead of a difficulty word: one bar for SEV3 */
.sev { display: inline-flex; align-items: flex-end; gap: 2px; height: 11px; vertical-align: -1px; }
.sev i { width: 3px; border-radius: 1px; background: var(--border-strong); }
.sev i:nth-child(1) { height: 5px; } .sev i:nth-child(2) { height: 8px; } .sev i:nth-child(3) { height: 11px; }
.sev.s3 i:nth-child(-n+1), .sev.s2 i:nth-child(-n+2), .sev.s1 i { background: var(--sev); }
.sev-label { font: 500 11px/1 var(--mono); color: var(--ink-soft); }
.s3 { --sev: var(--steady); } .s2 { --sev: var(--exhibit); } .s1 { --sev: var(--fail); } .s0 { --sev: var(--ink-faint); }

@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.view-in > * { animation: rise .5s var(--ease) both; }
.view-in > *:nth-child(2) { animation-delay: .04s; } .view-in > *:nth-child(3) { animation-delay: .08s; }
.view-in > *:nth-child(4) { animation-delay: .12s; } .view-in > *:nth-child(5) { animation-delay: .16s; }

/* --- home --- */
.home { max-width: 1120px; margin: 0 auto; padding: 88px 28px 40px; }
.kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px; font: 400 12.5px var(--mono); color: var(--ink-soft); }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-wash); }
.intro h1 { font: 600 clamp(40px, 6.2vw, 74px)/1.02 var(--sans); letter-spacing: -.04em; max-width: 14ch; }
.glow { color: var(--ink-faint); }
.lede { max-width: 56ch; font-size: 17px; line-height: 1.6; margin-top: 22px; color: var(--ink-soft); }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 52px;
  border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  backdrop-filter: blur(14px); overflow: hidden;
}
.stats > div { padding: 18px 20px; border-left: 1px solid var(--border); }
.stats > div:first-child { border-left: 0; }
.stats dt { font: 400 12px/1.4 var(--sans); color: var(--ink-faint); }
.stats dd { font: 600 30px/1 var(--sans); letter-spacing: -.03em; margin-top: 10px; }
.stats > div:first-child dd { color: var(--accent-ink); }

.how { margin-top: 16px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; counter-reset: step; }
.steps li { counter-increment: step; position: relative; padding: 18px 20px 20px; background: var(--surface-2); transition: background .2s; }
.steps li:hover { background: var(--surface-hover); }
.steps li::after { content: "0" counter(step); position: absolute; right: 18px; top: 18px; font: 400 11.5px var(--mono); color: var(--ink-faint); }
.steps .ico { font-size: 20px; color: var(--ink-soft); }
.steps b { display: flex; align-items: center; gap: 7px; margin-top: 14px; font: 600 14.5px var(--sans); letter-spacing: -.01em; }
.steps b::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c); }
.steps span { display: block; margin-top: 4px; font-size: 13.5px; color: var(--ink-soft); line-height: 1.55; }
.m-triage-c { --c: var(--nano); } .m-reason-c { --c: var(--ultra); }
.m-research-c { --c: var(--research); } .m-writer-c { --c: var(--super); }

.intake, .history, .measured { margin-top: 72px; }
.upload input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.upload span {
  display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; cursor: pointer;
  color: var(--ink-soft); padding: 6px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: color .2s, border-color .2s, background .2s;
}
.upload span:hover { color: var(--ink); border-color: var(--border-strong); background: var(--surface-hover); }
.upload input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.cases { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.cases > li { animation: rise .45s var(--ease) both; }
.cases > li:nth-child(2) { animation-delay: .03s; } .cases > li:nth-child(3) { animation-delay: .06s; }
.cases > li:nth-child(4) { animation-delay: .09s; } .cases > li:nth-child(n+5) { animation-delay: .12s; }
.case-card {
  --mx: 50%; --my: 50%;
  position: relative; display: flex; flex-direction: column; gap: 10px; height: 100%;
  padding: 18px 18px 16px;
  background: radial-gradient(360px circle at var(--mx) var(--my), var(--spot), transparent 60%), var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  backdrop-filter: blur(14px);
  transition: border-color .2s, background-color .2s, transform .25s var(--ease);
}
.case-card:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.case-card h3 { margin: 0; font: 600 15.5px/1.35 var(--sans); letter-spacing: -.01em; text-transform: none; color: var(--ink); }
.case-meta { font: 400 11.5px/1 var(--mono); color: var(--ink-faint); display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.case-meta .sev-label { margin-left: -4px; }
.case-card p { font-size: 13.5px; color: var(--ink-soft); flex: 1; line-height: 1.55; }
.case-actions { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 6px; }

.table-scroll { overflow-x: auto; }
.board { width: 100%; border-collapse: collapse; }
.board th { text-align: left; font: 500 11.5px var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--ink-faint); }
.board th, .board td { padding: 13px 18px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.board tbody tr:last-child td { border-bottom: 0; }
.board tbody tr { transition: background .2s; }
.board tbody tr:hover { background: var(--surface-hover); }
.board td.num { font: 500 15px/1 var(--mono); white-space: nowrap; width: 150px; }
.board td.num i { display: block; height: 3px; margin-top: 8px; border-radius: 2px; background: var(--border); overflow: hidden; }
.board td.num i b { display: block; height: 100%; background: var(--ink-faint); transform-origin: left; animation: grow 1s var(--ease) both; }
@keyframes grow { from { transform: scaleX(0); } }
.board tr.model td.num i b { background: var(--ultra); }
.board td small { display: block; font: 400 11.5px var(--mono); color: var(--ink-faint); margin-top: 3px; }
.board td.cost { font: 400 12.5px var(--mono); white-space: nowrap; color: var(--ink-soft); }
.board tr.model td:first-child { box-shadow: inset 2px 0 var(--ultra); }
.board tr.reference td.num { color: var(--steady); }
.board tr.reference td.num i b { background: var(--steady); }
.m-oracle { background: var(--steady) !important; }

.runs { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.runs li {
  display: grid; grid-template-columns: 1fr auto auto auto; gap: 18px; align-items: center;
  padding: 11px 18px; border-top: 1px solid var(--border); transition: background .2s;
}
.runs li:first-child { border-top: 0; }
.runs li:hover { background: var(--surface-hover); }
.runs a { font-weight: 500; text-decoration: none; }
.runs .cell { font: 400 12px/1.2 var(--mono); color: var(--ink-faint); white-space: nowrap; }
.pill { font: 500 11px/1 var(--mono); padding: 5px 8px; border-radius: 20px; background: var(--surface-hover); border: 1px solid var(--border); color: var(--ink-soft); }
.pill.good { background: var(--steady-wash); color: var(--steady); border-color: color-mix(in srgb, var(--steady) 25%, transparent); }
.pill.bad { background: var(--fail-wash); color: var(--fail); border-color: color-mix(in srgb, var(--fail) 25%, transparent); }

/* --- desk --- */
.desk { padding: 32px 28px 48px; max-width: 1680px; margin: 0 auto; }
.desk-head { display: grid; grid-template-columns: minmax(220px, 1fr) auto auto; gap: 28px; align-items: end; }
.desk-head h1 { font: 600 28px/1.15 var(--sans); letter-spacing: -.025em; }

.rail { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.rail li {
  position: relative; display: grid; grid-template-columns: auto 1fr; column-gap: 9px; align-items: center;
  padding: 9px 16px 10px 13px; min-width: 138px; border-left: 1px solid var(--border);
  color: var(--ink-faint); transition: color .3s, background .3s;
}
.rail li:first-child { border-left: 0; }
.rail .ico { grid-row: span 2; font-size: 17px; }
.rail span { font: 500 13px/1.2 var(--sans); }
.rail small { font: 400 10.5px/1.35 var(--mono); max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-faint); }
.rail li::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: transparent; }
.rail li.active { color: var(--ink); background: var(--surface-hover); }
.rail li.active .ico { color: var(--accent-ink); }
.rail li.active::after { background: linear-gradient(90deg, transparent, var(--accent), transparent); background-size: 50% 100%; background-repeat: no-repeat; animation: scan 1.6s linear infinite; }
.rail li.done { color: var(--ink-soft); }
.rail li.done .ico { color: var(--accent-ink); }
.rail li.done::after { background: color-mix(in srgb, var(--accent) 55%, transparent); }
.rail li.skipped { opacity: .45; }
.rail li.skipped span { text-decoration: line-through; }
@keyframes scan { from { background-position: -50% 0; } to { background-position: 150% 0; } }

.meter { display: flex; gap: 26px; }
.meter dt { font: 400 11px/1 var(--mono); color: var(--ink-faint); }
.meter dd { font: 600 22px/1.25 var(--sans); letter-spacing: -.02em; margin-top: 4px; transition: color .3s; }
.meter dd.bump { animation: bump .6s var(--ease); }
@keyframes bump { 30% { color: var(--accent-ink); } }

.columns {
  display: grid; grid-template-columns: minmax(280px, 1fr) minmax(380px, 1.35fr) minmax(300px, 1fr);
  gap: 14px; margin-top: 24px; align-items: start;
}
.col {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px 22px; min-width: 0; backdrop-filter: blur(16px); box-shadow: var(--shadow);
}
.col > h2 { font-size: 15px; padding-bottom: 12px; margin: -2px -20px 16px; padding-left: 20px; padding-right: 20px; border-bottom: 1px solid var(--border); }

.brief { font-size: 14.5px; }
.window { font: 400 12px/1.5 var(--mono); color: var(--ink-faint); margin-top: 8px; }
.map { margin-top: 16px; }
.map-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.map svg {
  width: 100%; max-width: 440px; height: auto; display: block; margin: 0 auto;
  background-image: radial-gradient(var(--border-strong) 1px, transparent 1px); background-size: 16px 16px;
}
.map figcaption { font-size: 12px; color: var(--ink-faint); margin-top: 8px; }
.node rect { fill: var(--surface-2); stroke: var(--border-strong); stroke-width: 1; rx: 5px; }
.node.down rect { stroke: var(--fail); stroke-width: 1.5; }
.node.degraded rect { stroke: var(--exhibit); stroke-width: 1.5; }
.node text { font: 500 11.5px var(--sans); fill: var(--ink); }
.node .rate { font: 400 10px var(--mono); fill: var(--ink-faint); }
.node.down .rate { fill: var(--fail); }
.edge { stroke: var(--border-strong); stroke-width: 1.2; fill: none; }
.spread { stroke: var(--fail); stroke-width: 1.8; fill: none; stroke-dasharray: 5 5; animation: creep 1.4s linear infinite; }
.pin { animation: fade .4s var(--ease) both; }
.pin text { font: 600 11.5px var(--mono); fill: #fff; text-anchor: middle; }
@keyframes creep { to { stroke-dashoffset: -20; } }

.onset li { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-top: 1px solid var(--border); font-size: 13px; }
.onset li span { font: 400 11.5px var(--mono); color: var(--ink-faint); white-space: nowrap; }
.changes { max-height: 300px; overflow-y: auto; padding: 0 8px; margin: 0 -8px; }
.changes li { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; padding: 8px 0; border-top: 1px solid var(--border); font-size: 13px; transition: background .4s; }
.changes code { font: 500 11.5px var(--mono); color: var(--ink-soft); }
.changes .when { grid-column: 2; font: 400 11px var(--mono); color: var(--ink-faint); }
.changes li.culprit { background: var(--fail-wash); margin: 0 -8px; padding: 8px; border-radius: 6px; box-shadow: inset 2px 0 var(--fail); }
.changes li.culprit code { color: var(--fail); }
.changes li.culprit code::before {
  content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 5px; vertical-align: -2px;
  background: var(--fail);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='7.5'/%3E%3Cpath d='M12 2v4M12 18v4M2 12h4M18 12h4'/%3E%3Ccircle cx='12' cy='12' r='2.3' fill='%23000' stroke='none'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='7.5'/%3E%3Cpath d='M12 2v4M12 18v4M2 12h4M18 12h4'/%3E%3Ccircle cx='12' cy='12' r='2.3' fill='%23000' stroke='none'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* evidence ledger */
.exhibits { display: flex; flex-direction: column; gap: 10px; }
.exhibits > li { animation: rise .4s var(--ease) both; }
.thought { font-size: 13.5px; color: var(--ink-soft); padding-left: 12px; border-left: 1px solid var(--border-strong); }
.thought b { font: 500 10.5px var(--mono); color: #fff; padding: 2px 6px; margin-right: 7px; border-radius: 4px; background: var(--ink-faint); }
.m-triage { background: var(--nano) !important; }
.m-reason { background: var(--ultra) !important; }
.m-writer { background: var(--super) !important; }
.exhibit {
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2);
  scroll-margin-top: 80px; overflow: hidden; transition: border-color .2s;
}
.exhibit:hover { border-color: var(--border-strong); }
.exhibit.flash { animation: flash 1.4s ease-out; }
@keyframes flash { from { border-color: var(--exhibit); box-shadow: 0 0 0 3px var(--warn-wash); } }
.exhibit header { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.exhibit header .ico { font-size: 15px; color: var(--ink-faint); }
.exhibit header code { font: 400 11.5px var(--mono); overflow-wrap: anywhere; flex: 1; color: var(--ink-soft); }
.exhibit pre {
  margin: 0; padding: 10px 12px; font: 400 11.5px/1.6 var(--mono); color: var(--ink-soft);
  white-space: pre-wrap; overflow-wrap: anywhere; max-height: 9.8em; overflow: hidden;
  background: var(--code-bg);
}
.exhibit.open pre { max-height: none; }
.exhibit pre .err { color: var(--fail); }
.exhibit pre .add { color: var(--steady); }
.exhibit pre .del { color: var(--fail); }
.exhibit .more { width: 100%; justify-content: center; font-size: 12px; padding: 7px; border: 0; border-top: 1px solid var(--border); border-radius: 0; background: transparent; color: var(--ink-faint); }
.exhibit .more:hover { color: var(--ink); background: var(--surface-hover); }
.rejected { font: 400 11.5px/1.5 var(--mono); color: var(--ink-faint); padding-left: 12px; border-left: 1px dashed var(--border-strong); }
.working { display: flex; align-items: center; gap: 10px; margin-top: 14px; font: 400 12.5px var(--mono); color: var(--ink-soft); }
.pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 var(--accent-wash); } 50% { box-shadow: 0 0 0 5px var(--accent-wash); opacity: .6; } }

/* findings */
.pending { color: var(--ink-faint); font-size: 13.5px; }
.reveal > * { animation: rise .45s var(--ease) both; }
.reveal > *:nth-child(2) { animation-delay: .05s; } .reveal > *:nth-child(3) { animation-delay: .1s; }
.reveal > *:nth-child(4) { animation-delay: .15s; } .reveal > *:nth-child(n+5) { animation-delay: .2s; }
.cause-head { display: flex; align-items: center; gap: 7px; margin-top: 0; color: var(--fail); }
.cause-head .ico { font-size: 15px; }
.cause-id { font: 500 22px/1.2 var(--mono); letter-spacing: -.01em; overflow-wrap: anywhere; color: var(--ink); }
.cause-what { font-size: 13.5px; color: var(--ink-soft); margin-top: 4px; }
.confidence { margin: 14px 0; }
.confidence i { display: block; height: 3px; border-radius: 2px; background: var(--border); overflow: hidden; }
.confidence i b { display: block; height: 100%; background: var(--accent); transform-origin: left; animation: grow 1s var(--ease) both; }
.confidence span { display: block; margin-top: 6px; font: 400 11.5px var(--mono); color: var(--ink-faint); }
.summary { font-size: 14px; color: var(--ink-soft); }
.hops { counter-reset: hop; margin-top: 4px; }
.hops li { counter-increment: hop; position: relative; padding: 10px 0 10px 32px; border-top: 1px solid var(--border); font-size: 13.5px; color: var(--ink-soft); }
.hops li::before {
  content: counter(hop); position: absolute; left: 0; top: 10px;
  width: 20px; height: 20px; border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--fail) 55%, transparent); color: var(--fail);
  font: 500 11px/18px var(--mono); text-align: center;
}
.hops strong { font-weight: 600; color: var(--ink); }
.hops .effect { font: 400 11.5px var(--mono); color: var(--fail); }
.plain li { padding: 7px 0; border-top: 1px solid var(--border); font-size: 13px; color: var(--ink-soft); }
.plain code { font: 500 11.5px var(--mono); color: var(--ink); }
.grade {
  position: relative; margin-top: 20px; padding: 16px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2);
  box-shadow: inset 2px 0 var(--steady); animation: rise .45s var(--ease) both;
}
.grade.wrong { box-shadow: inset 2px 0 var(--fail); }
.grade > h3, .grade .score { padding-right: 36px; }
.grade .seal { position: absolute; right: 16px; top: 16px; font-size: 20px; color: var(--steady); }
.grade.wrong .seal { color: var(--fail); }
.grade .score { font: 600 34px/1.05 var(--sans); letter-spacing: -.03em; color: var(--ink); }
.grade .verdict { font-size: 13.5px; font-weight: 500; color: var(--steady); margin-top: 2px; }
.grade.wrong .verdict { color: var(--fail); }
.grade table { width: 100%; border-collapse: collapse; margin-top: 12px; font: 400 11.5px var(--mono); color: var(--ink-soft); }
.grade td { padding: 5px 0; border-top: 1px solid var(--border); }
.grade td:last-child { text-align: right; }
.grade .truth { font-size: 12.5px; color: var(--ink-faint); margin-top: 10px; }
.reflist li { padding: 8px 0; border-top: 1px solid var(--border); font-size: 13px; scroll-margin-top: 80px; }
.q { font: 400 11px var(--mono); color: var(--ink-faint); }

/* postmortem document */
.doc-wrap { margin-top: 32px; animation: rise .5s var(--ease) both; }
.doc-wrap .section-head { margin-bottom: 12px; }
.doc-actions { display: flex; gap: 6px; }
.doc {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 48px clamp(18px, 7vw, 88px) 56px; box-shadow: var(--shadow);
}
.doc > * { max-width: 72ch; }
.doc h1 { font: 600 32px/1.15 var(--sans); letter-spacing: -.03em; margin-bottom: 16px; }
.doc h2 { font: 600 17px/1.3 var(--sans); letter-spacing: -.01em; margin: 34px 0 10px; padding-top: 18px; border-top: 1px solid var(--border); }
.doc p { margin: 10px 0; color: var(--ink-soft); }
.doc strong { color: var(--ink); }
.doc ul, .doc ol { margin: 8px 0 8px 20px; color: var(--ink-soft); }
.doc ul { list-style: disc; }
.doc ul li::marker { color: var(--ink-faint); }
.doc ol { list-style: decimal; }
.doc li { margin: 5px 0; }
.doc code { font: 500 .86em var(--mono); background: var(--code-bg); padding: 1px 5px; border: 1px solid var(--border); border-radius: 4px; color: var(--ink); }
.doc pre { max-width: none; background: var(--code-bg); padding: 12px 14px; overflow-x: auto; font: 400 12px/1.55 var(--mono); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.doc pre code { background: none; padding: 0; border: 0; }
.doc table { border-collapse: collapse; margin: 12px 0; font-size: 13.5px; max-width: 100%; }
.doc th { text-align: left; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--ink-faint); }
.doc th, .doc td { padding: 8px 16px 8px 0; border-bottom: 1px solid var(--border); vertical-align: top; }

/* footer */
.foot {
  max-width: 1120px; margin: 56px auto 0; padding: 24px 28px 36px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px;
  border-top: 1px solid var(--border); font: 400 12px var(--sans); color: var(--ink-faint);
}
.foot a, .foot-mark { display: inline-flex; align-items: center; gap: 7px; text-decoration: none; }
.foot-mark { font: 600 13px var(--sans); color: var(--ink-soft); }
.foot-mark .ico { color: var(--accent-ink); }
.foot a { margin-left: auto; color: var(--ink-soft); }
.foot a:hover { color: var(--ink); }

@media (max-width: 1180px) {
  .desk-head { grid-template-columns: 1fr; align-items: start; }
  .columns { grid-template-columns: 1fr; }
  .rail { flex-wrap: wrap; }
}
@media (max-width: 860px) {
  .stats, .steps { grid-template-columns: repeat(2, 1fr); }
  .stats > div:nth-child(3) { border-left: 0; }
  .stats > div:nth-child(n+3) { border-top: 1px solid var(--border); }
}
@media (max-width: 640px) {
  .bar { padding: 0 16px; gap: 12px; }
  .bar-note { display: none; }
  .bar-nav { margin-left: auto; }
  #lab-link { display: none; }
  .home, .desk { padding-left: 16px; padding-right: 16px; }
  .home { padding-top: 48px; }
  .stats dd { font-size: 26px; }
  .steps { grid-template-columns: 1fr; }
  .cases { grid-template-columns: 1fr; }
  .rail li { min-width: 50%; }
  .rail li:nth-child(3) { border-left: 0; }
  .rail li:nth-child(n+3) { border-top: 1px solid var(--border); }
  .runs li { grid-template-columns: 1fr auto; }
  .runs .cell.opt { display: none; }
  .meter { gap: 18px; }
  .foot { padding: 20px 16px 30px; }
  .foot a { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}