/* Same tokens, type and motion as vincedotcode.com (app/globals.css): quiet paper, one ink, one blue. */
:root {
  --paper: #fbfaf7;
  --ink: #191817;
  --card: #ffffff;
  --line: #ebe8e1;
  --line-strong: #dcd8cf;
  --muted: #75716a;
  --faint: #a8a39a;
  --blue: #0a3dff;
  --blue-soft: rgba(10, 61, 255, 0.07);
  --grey-mark: #b3aea5;
  --hl: #fff3a3;
  --ok: #0a3dff;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-ui: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-ui: 180ms;
  --dur-enter: 620ms;
  --dur-slow: 900ms;
  --rise: 14px;
  --stagger: 70ms;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); max-width: 100%; overflow-x: clip; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  max-width: 100%;
  overflow-x: clip;
}
img, svg, video, canvas { max-width: 100%; }
::selection { background: var(--blue); color: var(--paper); }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--card); padding: 8px 12px; z-index: 10; border-radius: 8px; }

/* One quiet column, like every page on the site. */
.page { max-width: 640px; margin: 0 auto; padding: 0 20px 96px; }
@media (min-width: 640px) { .page { padding: 0 24px 96px; } }

/* Site header: name on the left, a few quiet links on the right. */
.site { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 40px 0; }
.site-name .me { font-weight: 500; }
.site-name .role { display: block; font-size: 13px; color: var(--muted); }
@media (min-width: 640px) { .site-name .role { display: inline; font-size: inherit; margin-left: 4px; } }
.site nav { display: flex; gap: 16px; font-size: 13px; color: var(--muted); }
.site nav a { transition: color var(--dur-ui) var(--ease-ui); }
.site nav a:hover { color: var(--ink); }
.crumb { font-size: 13px; color: var(--faint); }
.crumb a { transition: color var(--dur-ui) var(--ease-ui); }
.crumb a:hover { color: var(--ink); }

/* Cover plate: small mono labels, a blindsight test drawn in text, one italic line. */
.plate { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.cover {
  margin: 32px 0 0;
  padding: 18px 22px 16px;
  background-color: var(--paper);
}
.cover-top, .cover-cap { display: flex; justify-content: space-between; gap: 12px; }
.cover-top { font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; color: var(--faint); }
.cover-stage { position: relative; aspect-ratio: 16 / 10; margin: 4px 0 0; }
.cover-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.cover-cap { align-items: baseline; border-bottom: 1px solid var(--line-strong); padding-bottom: 4px; margin: 0; }
.cover-cap span:first-child { font-family: var(--serif); font-style: italic; font-size: clamp(20px, 4.6vw, 26px); line-height: 1.2; color: var(--ink); }
.cover-state { font-family: var(--mono); font-size: 10.5px; color: var(--muted); white-space: nowrap; transition: color var(--dur-slow) var(--ease); }
.cover-state.off { color: var(--faint); }
@media (max-width: 520px) { .cover-cap { flex-direction: column; gap: 2px; } }

/* Title block, as on a writing page. */
.masthead { margin-top: 32px; }
.display { font-family: var(--serif); font-style: italic; font-weight: 400; line-height: 1.05; letter-spacing: -0.01em; text-wrap: balance; }
h1.display { font-size: clamp(32px, 6vw, 44px); margin: 0; }
.meta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 4px 16px; font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.meta a { transition: color var(--dur-ui) var(--ease-ui); }
.meta a:hover { color: var(--ink); }
.meta .held { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); }
.meta .held i { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); animation: breath 4.8s var(--ease-ui) infinite; }
@keyframes breath { 50% { opacity: 0.35; transform: scale(0.8); } }
.lede { margin: 24px 0 0; font-size: 17px; line-height: 1.625; color: var(--muted); }

main { margin-top: 0; }
.masthead { padding-bottom: 40px; border-bottom: 1px solid var(--line); }

/* Prose: the site's markdown styles. */
p { margin: 20px 0; font-size: 16px; line-height: 1.625; color: var(--muted); }
section > ul, section > ol, .callout ul, .tldr ul { margin: 20px 0; padding: 0; list-style: none; }
section > ul > li, .tldr li, .callout li { position: relative; padding-left: 20px; margin: 10px 0; font-size: 16px; line-height: 1.625; color: var(--muted); }
section > ul > li::before, .tldr li::before, .callout li::before { content: "·"; position: absolute; left: 4px; color: var(--blue); font-weight: 600; }
section > ol { counter-reset: n; }
section > ol > li { position: relative; padding-left: 28px; margin: 12px 0; font-size: 16px; line-height: 1.625; color: var(--muted); counter-increment: n; }
section > ol > li::before { content: counter(n, decimal-leading-zero); position: absolute; left: 0; top: 4px; font-family: var(--mono); font-size: 10.5px; color: var(--blue); opacity: 0.8; }
b, strong { font-weight: 500; color: var(--ink); }
em, i { font-family: var(--serif); font-style: italic; font-size: 1.08em; color: var(--ink); }
.meta i, .legend i, .held i { font-size: inherit; }
p a, li a, dd a, caption a { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; transition: color var(--dur-ui) var(--ease-ui); }
p a:hover, li a:hover, dd a:hover { color: var(--ink); }
mark { background: var(--hl); color: inherit; padding: 0 2px; border-radius: 2px; }
.cite { font-family: var(--mono); font-size: 0.68em; vertical-align: 0.4em; color: var(--blue) !important; text-decoration: none !important; margin-left: 1px; white-space: nowrap; }
.cite:hover { color: var(--ink) !important; }

h2 { font-family: var(--serif); font-weight: 400; font-size: 28px; line-height: 1.15; color: var(--ink); margin: 56px 0 16px; }
h2 .num { display: block; margin-bottom: 2px; font-family: var(--sans); font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.04em; color: var(--blue); opacity: 0.7; }
h3 { font-family: var(--serif); font-weight: 400; font-size: 22px; line-height: 1.2; color: var(--ink); margin: 40px 0 12px; }

/* Figure 1 */
.hero { margin: 32px 0 8px; }
.hero-inner { display: grid; gap: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
@media (min-width: 640px) { .hero-inner { padding: 26px; } }
.hero-q { font-size: 16px; line-height: 1.55; color: var(--ink); margin: 0 0 18px; }
.hero-q b { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 1.12em; color: var(--blue); }
.hero-asks { display: grid; gap: 16px; margin-bottom: 18px; }
.ask { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; }
.ask-label { grid-column: 1 / -1; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.ask-text { grid-column: 1 / -1; font-size: 15px; line-height: 1.45; color: var(--ink); }
.meter { position: relative; height: 6px; background: var(--line); border-radius: 999px; overflow: visible; }
.meter::after { content: ""; position: absolute; top: -5px; bottom: -5px; width: 0; border-left: 1px dashed var(--ink); left: 50%; opacity: 0.5; }
.meter-fill { height: 100%; width: 0; background: var(--blue); border-radius: 999px; transition: width var(--dur-slow) var(--ease), background-color 0.4s; }
.meter.off .meter-fill { background: var(--grey-mark); }
.ask-val { font-family: var(--mono); font-size: 12px; min-width: 120px; text-align: right; color: var(--muted); }
.ask-val b { color: var(--ink); font-weight: 500; }
.switch { display: inline-flex; align-items: center; gap: 12px; background: var(--paper); border: 1px solid var(--line); color: var(--ink); border-radius: 999px; padding: 6px 16px 6px 6px; font: inherit; font-size: 14px; cursor: pointer; transition: border-color var(--dur-ui) var(--ease-ui); }
.switch:hover { border-color: var(--blue); }
.switch b { font-weight: 500; }
.switch-track { width: 36px; height: 20px; border-radius: 999px; background: var(--blue); position: relative; transition: background 0.3s; flex: none; }
.switch-knob { position: absolute; top: 3px; left: 19px; width: 14px; height: 14px; border-radius: 50%; background: #fff; transition: left 0.3s var(--ease); }
.switch[aria-pressed="true"] .switch-track { background: var(--grey-mark); }
.switch[aria-pressed="true"] .switch-knob { left: 3px; }
.hero-grid svg { display: block; width: 100%; height: auto; }
figcaption { font-size: 13px; line-height: 1.6; color: var(--muted); margin-top: 12px; }
figcaption b { color: var(--ink); font-weight: 500; }

/* The short version */
.tldr { margin-top: 40px; }
.tldr h2 { margin-top: 0; }

/* Key numbers */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 32px 0; }
.stat { padding: 18px 0; display: flex; flex-direction: column; gap: 6px; }
.stat:nth-child(odd) { padding-right: 16px; border-right: 1px solid var(--line); }
.stat:nth-child(even) { padding-left: 16px; }
.stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.stat-num { font-family: var(--serif); font-style: italic; font-size: 40px; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat-num.accent { color: var(--blue); }
.stat-lab { font-size: 13px; line-height: 1.45; color: var(--muted); }
.stat-lab small { display: block; font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* Contents */
.toc details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 12px 0; }
.toc summary { cursor: pointer; font-size: 13px; color: var(--faint); list-style: none; }
.toc summary::-webkit-details-marker { display: none; }
.toc summary::after { content: " +"; }
.toc details[open] summary::after { content: " –"; }
.toc ol { list-style: none; margin: 8px 0 4px; padding: 0; }
.toc li { margin: 0; padding: 0; }
.toc li::before { content: none; }
.toc a { display: block; padding: 4px 0; font-size: 15px; color: var(--ink); text-decoration: none; transition: color var(--dur-ui) var(--ease-ui); }
.toc a:hover { color: var(--blue); }

.abstract { margin-top: 48px; }
.abstract h2 { margin-top: 0; }

blockquote.pull { font-family: var(--serif); font-style: italic; font-size: 26px; line-height: 1.3; color: var(--ink); margin: 32px 0; padding: 0; border: 0; }

/* Sheets: technical notes, prompts, explorer, citation */
.tech, .prompt-card, .mini, .explorer, .bib, .callout { background: var(--card); border: 1px solid var(--line); border-radius: 16px; }
.tech { padding: 16px 20px; margin: 20px 0 24px; }
.tech p { font-size: 14.5px; margin: 8px 0; }
.tech-h, .prompt-tag, .ex-sub { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.prompt-tag { color: var(--blue); }
.prompts { display: grid; gap: 12px; margin: 24px 0 12px; }
.prompt-card { padding: 14px 16px; min-width: 0; }
.prompt-card pre { white-space: pre-wrap; word-break: break-word; font-family: var(--mono); font-size: 12px; line-height: 1.65; margin: 8px 0 0; color: var(--ink); }

/* Charts */
.chart, .mini, .explorer { margin: 28px 0 32px; }
.chart svg, .mini svg { display: block; overflow: visible; }
.chart-body { width: 100%; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); margin-bottom: 14px; }
.seg button { font: inherit; font-size: 12.5px; padding: 4px 12px; border-radius: 999px; border: 0; background: none; color: var(--muted); cursor: pointer; transition: background var(--dur-ui) var(--ease-ui), color var(--dur-ui) var(--ease-ui); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.seg button:hover:not([aria-pressed="true"]) { color: var(--ink); }
svg text { font-family: var(--sans); fill: var(--muted); font-size: 12px; }
svg .t-ink { fill: var(--ink); }
svg .t-blue { fill: var(--blue); }
svg .t-mono { font-family: var(--mono); font-size: 10.5px; }
svg .t-title { font-size: 12.5px; font-weight: 500; fill: var(--ink); }
svg .chance { stroke: var(--faint); stroke-dasharray: 2 4; }
svg .band { fill: var(--blue-soft); }
svg .f-blue { fill: var(--blue); }
svg .s-blue { stroke: var(--blue); }
svg .f-grey { fill: var(--grey-mark); }
svg .s-grey { stroke: var(--grey-mark); }
svg .f-ink { fill: var(--ink); }
svg .s-ink { stroke: var(--ink); }
svg .f-line { fill: var(--line); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 12.5px; color: var(--muted); margin: 0 0 10px; }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.legend i.l-blue { background: var(--blue); }
.legend i.l-grey { background: var(--grey-mark); }
.legend i.l-ink { background: var(--ink); }
.legend i.l-dash { width: 16px; height: 0; border-top: 1px dashed var(--muted); border-radius: 0; }

.tip { position: fixed; z-index: 20; pointer-events: none; background: var(--ink); color: var(--paper); font-size: 12px; line-height: 1.5; padding: 7px 10px; border-radius: 8px; max-width: 260px; opacity: 0; transform: translateY(4px); transition: opacity 0.15s, transform 0.15s; }
.tip.on { opacity: 1; transform: none; }
.tip b { font-weight: 500; color: var(--paper); }

.mini { padding: 16px 18px; }
.mini-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 14px; margin-top: 8px; color: var(--muted); }
.mini-controls input[type="range"] { flex: 1; min-width: 160px; accent-color: var(--blue); }
.mini-out { font-family: var(--mono); font-size: 12.5px; color: var(--ink); }

/* Tables: quiet rules, mono numbers */
.table-wrap { overflow-x: auto; margin: 24px 0 32px; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; color: var(--ink); }
caption { caption-side: top; text-align: left; font-size: 13px; color: var(--muted); padding-bottom: 10px; line-height: 1.6; }
caption b { color: var(--ink); font-weight: 500; }
th { text-align: left; font-family: var(--mono); font-weight: 400; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--faint); padding: 8px 10px; border-bottom: 1px solid var(--line-strong); white-space: nowrap; }
th:first-child, td:first-child { padding-left: 0; }
td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
td.n, th.n { text-align: right; }
td.n { font-family: var(--mono); font-size: 12.5px; white-space: nowrap; }
td.ci { color: var(--muted); }
td b { font-weight: 500; }
tr.hl td { background: var(--blue-soft); }
tr.hl td:first-child { box-shadow: inset 2px 0 0 var(--blue); padding-left: 10px; }
tr.sub td { color: var(--muted); }
tbody tr { transition: background 0.15s; }
tbody tr:hover td { background: rgba(235, 232, 225, 0.45); }
.ok, .wait { font-family: var(--mono); font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.ok { color: var(--blue); background: var(--blue-soft); }
.wait { color: var(--muted); background: var(--line); }
table.kv th { text-transform: none; letter-spacing: 0; font-family: var(--sans); font-size: 13.5px; color: var(--ink); border-bottom: 1px solid var(--line); width: 34%; vertical-align: top; white-space: normal; }
table.kv td { font-size: 13.5px; color: var(--muted); }
td.heat { text-align: right; font-family: var(--mono); font-size: 12px; }

/* Trial explorer */
.explorer { padding: 18px; }
.ex-pick { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.ex-pick button { font: inherit; font-size: 12.5px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); padding: 3px 10px; border-radius: 999px; cursor: pointer; transition: border-color var(--dur-ui), background var(--dur-ui), color var(--dur-ui); }
.ex-pick button:hover { border-color: var(--blue); }
.ex-pick button[aria-pressed="true"] { background: var(--blue); border-color: var(--blue); color: #fff; }
.ex-body { display: grid; grid-template-columns: 1fr; gap: 18px; }
.ex-words { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 12px; }
.ex-words span { font-family: var(--mono); font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--paper); border: 1px solid var(--line); }
.ex-words span.inj { background: var(--blue); color: #fff; border-color: var(--blue); }
.ex-opts { display: grid; gap: 8px; }
.ex-opt { display: grid; grid-template-columns: 22px 1fr 1fr; gap: 8px; align-items: center; font-size: 14px; }
.ex-opt .bar { height: 6px; background: var(--line); border-radius: 999px; overflow: hidden; }
.ex-opt .bar i { display: block; height: 100%; background: var(--grey-mark); border-radius: 999px; width: 0; transition: width 0.7s var(--ease); }
.ex-opt.is-target .bar i { background: var(--blue); }
.ex-opt.is-target .w { color: var(--blue); font-weight: 500; }
.ex-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ex-col h4 { margin: 0 0 8px; font-size: 13px; font-weight: 500; }
.ex-yes { font-family: var(--mono); font-size: 12px; margin-top: 10px; color: var(--muted); }
.ex-yes b { color: var(--ink); font-weight: 500; }
.ex-note { font-size: 13px; color: var(--muted); margin: 14px 0 0; }

/* Result box */
.callout { padding: 18px 22px 6px; margin: 20px 0 28px; }
.callout p { font-size: 15px; }
.callout-h { display: flex; align-items: center; gap: 10px; font-weight: 500; color: var(--ink); margin: 0 0 6px; }
.callout-status { font-family: var(--mono); font-size: 12.5px; color: var(--blue); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); display: inline-block; flex: none; animation: breath 4.8s var(--ease-ui) infinite; }

.glossary dt { font-weight: 500; color: var(--ink); margin-top: 16px; }
.glossary dd { margin: 2px 0 0; color: var(--muted); font-size: 15px; line-height: 1.6; }

.downloads { list-style: none; padding: 0; margin: 20px 0; border-top: 1px solid var(--line); }
.downloads li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 16px; padding: 10px 0 !important; border-bottom: 1px solid var(--line); margin: 0 !important; }
.downloads li::before { content: none !important; }
.downloads a { font-family: var(--mono); font-size: 12.5px; color: var(--blue); text-decoration: none; }
.downloads a:hover { color: var(--ink); }
.downloads span { color: var(--muted); font-size: 13px; }

.bib { position: relative; padding: 16px 18px; }
.bib pre { margin: 0; font-family: var(--mono); font-size: 12px; line-height: 1.65; white-space: pre-wrap; word-break: break-word; color: var(--ink); }
.copy { position: absolute; top: 10px; right: 10px; font: inherit; font-size: 12px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 999px; padding: 2px 10px; cursor: pointer; transition: border-color var(--dur-ui); }
.copy:hover { border-color: var(--blue); }

.refs { padding-left: 1.6em !important; list-style: decimal !important; font-size: 13.5px; line-height: 1.6; color: var(--muted); }
.refs li { margin: 10px 0 !important; padding-left: 4px !important; font-size: 13.5px !important; }
.refs li::before { content: none !important; }
.refs li::marker { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.refs li:target { background: var(--hl); border-radius: 4px; }
.refs .ref-url { word-break: break-all; color: var(--faint); }

.foot { margin-top: 64px; border-top: 1px solid var(--line); padding-top: 32px; }
.foot-h { margin: 0 0 16px; font-size: 13px; color: var(--faint); }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin: 10px 0; }
.foot li a { color: var(--ink); transition: color var(--dur-ui) var(--ease-ui); }
.foot li a:hover { color: var(--blue); }
.foot-line { margin-top: 32px; font-size: 13px; color: var(--muted); }
.foot-line a { color: var(--muted); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
.foot-line a:hover { text-decoration-color: currentColor; }

/* Motion: the site's arrival, a short rise with expo-out */
.reveal { opacity: 0; transform: translateY(var(--rise)); transition: opacity var(--dur-enter) var(--ease), transform var(--dur-enter) var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.enter { animation: enter var(--dur-enter) var(--ease) backwards; animation-delay: calc(var(--i, 0) * var(--stagger)); }
@keyframes enter { from { opacity: 0; transform: translateY(var(--rise)); } }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .enter { animation: none; }
  .meter-fill, .ex-opt .bar i, .switch-knob, .switch-track { transition: none; }
  .dot, .meta .held i { animation: none; }
}

@media print {
  body { font-size: 11pt; background: #fff; }
  .site nav, .crumb, .toc, .switch, .seg, .copy, .skip, .tip, .cover { display: none !important; }
  .reveal, .enter { opacity: 1; transform: none; animation: none; }
  h2 { break-after: avoid; }
  figure, table { break-inside: avoid; }
}

/* Component paragraphs keep their own tight spacing */
.explorer p.ex-yes { margin: 6px 0 0; font-size: 12px; }
.explorer p.ex-note { margin: 14px 0 0; font-size: 13px; }
.foot li a { text-decoration: none; }
.callout p.callout-status { font-family: var(--sans); font-size: 15px; line-height: 1.6; color: var(--blue); }
.prompt-card p, .mini p { margin: 8px 0; font-size: 14px; }