/*
 * RTracer Universal Substrate documentation
 * Concept & direction: LNK · © LNK
 * Visual watermark: LNK // RTRACER // AUTHORITATIVE DOCUMENTATION CORPUS
 */

:root{
  --doc-canvas:#f4f3ee;
  --doc-paper:#fbfaf7;
  --doc-surface:#fff;
  --doc-ink:#15212b;
  --doc-muted:#68737c;
  --doc-faint:#8e979d;
  --doc-line:#d9ddd9;
  --doc-line-soft:#e9ebe7;
  --doc-navy:#17384f;
  --doc-blue:#25618c;
  --doc-signal:#e2ff00;
  --doc-signal-soft:#fff0df;
  --doc-green:#156a54;
  --doc-red:#9d352d;
  --doc-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  --doc-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --doc-radius:8px;
  --doc-nav-height:72px;
  --doc-bar-height:64px;
  color-scheme:light;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--doc-canvas)}
body.substrate-site{margin:0;padding-top:var(--doc-nav-height);background:var(--doc-canvas);color:var(--doc-ink);font-family:var(--doc-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.substrate-site a{color:inherit}
body.substrate-site img{max-width:100%}
body.substrate-site button,body.substrate-site input{font:inherit}
body.substrate-site select{font:inherit}
body.substrate-site ::selection{background:#f0c597;color:#28170d}
body.substrate-site :focus-visible{outline:2px solid var(--doc-signal);outline-offset:3px;border-radius:2px}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.skip-link{position:fixed;left:16px;top:10px;z-index:500;transform:translateY(-160%);padding:10px 14px;background:var(--doc-ink);color:#fff!important;border-radius:4px;text-decoration:none}
.skip-link:focus{transform:none}

.site-chrome{position:fixed;inset:0 0 auto;z-index:100;height:var(--doc-nav-height);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 24px;border-bottom:1px solid rgba(21,33,43,.08);background:rgba(247,246,241,.96);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.site-menu,.site-contact,.site-brand{text-decoration:none}
.site-menu{justify-self:start;padding:9px 16px;border-radius:999px;background:#e8e7e3;font-size:12px;font-weight:500}
.site-brand{justify-self:center;display:flex;align-items:flex-start;gap:3px;font-size:20px;font-weight:600;letter-spacing:-.055em;text-decoration:underline!important;text-decoration-thickness:1px!important;text-underline-offset:5px}
.site-brand::before{content:"⌁";margin-right:5px;font-size:16px;line-height:1.3;text-decoration:none}
.site-brand sup{font:600 7px/1 var(--doc-sans);letter-spacing:0;text-decoration:none}
.site-contact{justify-self:end;font:500 10px/1 var(--doc-mono);letter-spacing:.04em}
.site-contact span{color:var(--doc-signal)}

.lnk-watermark{position:fixed;right:8px;top:50%;z-index:85;transform:translateY(-50%) rotate(180deg);writing-mode:vertical-rl;font:500 8px/1 var(--doc-mono);letter-spacing:.18em;color:rgba(21,33,43,.2);pointer-events:none;text-transform:uppercase}

.docs-bar{position:sticky;top:var(--doc-nav-height);z-index:90;height:var(--doc-bar-height);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 28px;border-top:1px solid rgba(21,33,43,.08);border-bottom:1px solid var(--doc-line);background:rgba(251,250,247,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.docs-product{display:flex;align-items:center;gap:10px;text-decoration:none;white-space:nowrap}
.docs-product strong{font-size:13px;font-weight:600;letter-spacing:-.01em}
.docs-product>span:last-child{font:500 10px/1 var(--doc-mono);padding:5px 7px;border:1px solid var(--doc-line);border-radius:4px;color:var(--doc-muted)}
.trace-dot{width:10px;height:10px;border:2px solid var(--doc-signal);border-radius:50%;position:relative}
.trace-dot::after{content:"";position:absolute;left:7px;top:3px;width:28px;height:1px;background:linear-gradient(90deg,var(--doc-signal),transparent)}
.docs-actions{display:flex;align-items:center;justify-content:flex-end;gap:18px;min-width:0}
.docs-actions>a,.mobile-nav-toggle{font:500 10px/1 var(--doc-mono);letter-spacing:.035em;text-decoration:none;color:var(--doc-muted);white-space:nowrap}
.docs-actions>a:hover{color:var(--doc-ink)}
.mobile-nav-toggle{display:none;background:var(--doc-surface)!important;border:1px solid var(--doc-line)!important;padding:9px 10px!important;border-radius:5px!important}
.version-picker{position:relative;display:inline-flex;align-items:center}
.version-picker select{height:32px;max-width:132px;padding:0 25px 0 9px;border:1px solid var(--doc-line);border-radius:5px;background:#fff;color:var(--doc-muted);font:500 9px/1 var(--doc-mono);cursor:pointer}
.version-picker select:hover,.version-picker select:focus{border-color:var(--doc-blue);color:var(--doc-ink)}
.search-wrap{position:relative;width:min(340px,30vw)}
.search-wrap input{width:100%;height:38px;border:1px solid var(--doc-line);border-radius:6px;background:#fff;padding:0 42px 0 13px;color:var(--doc-ink);font-size:12px;outline:none}
.search-wrap input:focus{border-color:var(--doc-blue);box-shadow:0 0 0 3px rgba(37,97,140,.1)}
.search-wrap kbd{position:absolute;right:10px;top:9px;min-width:20px;padding:3px 5px;border:1px solid var(--doc-line);border-bottom-width:2px;border-radius:4px;background:var(--doc-paper);font:500 9px/1 var(--doc-mono);text-align:center;color:var(--doc-faint)}
.search-results{position:absolute;right:0;top:44px;width:min(520px,82vw);max-height:440px;overflow:auto;padding:7px;background:#fff;border:1px solid var(--doc-line);border-radius:8px;box-shadow:0 18px 54px rgba(20,31,39,.16)}
.search-results a{display:grid;grid-template-columns:1fr auto;gap:4px 16px;padding:11px 12px;border-radius:5px;text-decoration:none}
.search-results a:hover,.search-results a[aria-selected=true]{background:var(--doc-canvas)}
.search-results strong{font-size:12px;font-weight:600}
.search-results span{font:500 9px/1.4 var(--doc-mono);color:var(--doc-faint)}
.search-results small{grid-column:1/-1;font-size:11px;line-height:1.4;color:var(--doc-muted)}
.search-empty{padding:18px;font-size:12px;color:var(--doc-muted)}

.docs-shell{display:grid;grid-template-columns:300px minmax(0,920px) 250px;max-width:1570px;margin:0 auto;align-items:start;background:var(--doc-paper);border-left:1px solid var(--doc-line);border-right:1px solid var(--doc-line)}
.docs-nav,.docs-context{position:sticky;top:calc(var(--doc-nav-height) + var(--doc-bar-height));max-height:calc(100dvh - var(--doc-nav-height) - var(--doc-bar-height));overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}
.docs-nav{padding:30px 22px 70px;background:var(--doc-paper);border-right:1px solid var(--doc-line)}
.nav-intro{padding:0 8px 24px;border-bottom:1px solid var(--doc-line)}
.nav-intro strong{display:block;font-size:14px;font-weight:600}
.nav-intro p{margin:7px 0 0;font-size:12px;line-height:1.5;color:var(--doc-muted)}
.nav-overview{display:flex;align-items:center;justify-content:space-between;margin:18px 0 6px;padding:9px 8px;border-radius:5px;text-decoration:none;font-size:12px;font-weight:600}
.nav-overview span{font:500 9px/1 var(--doc-mono);color:var(--doc-faint)}
.nav-overview:hover,.nav-overview.is-active{background:#ecece8}
.nav-group{border-bottom:1px solid var(--doc-line-soft)}
.nav-group summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:42px;padding:9px 8px;cursor:pointer;list-style:none;font:600 9px/1.25 var(--doc-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--doc-muted)}
.nav-group summary::-webkit-details-marker{display:none}
.nav-group summary::before{content:"+";width:12px;color:var(--doc-faint)}
.nav-group[open] summary::before{content:"−"}
.nav-group summary span{margin-left:auto;font-weight:400}
.nav-links{padding:0 0 10px}
.nav-links a{display:grid;grid-template-columns:23px 1fr;gap:7px;padding:7px 8px;border-radius:5px;text-decoration:none;font-size:11px;line-height:1.38;color:#4f5b64}
.nav-links a span{font:500 9px/1.5 var(--doc-mono);color:var(--doc-faint)}
.nav-links a:hover{background:#f0f0ec;color:var(--doc-ink)}
.nav-links a.is-active{background:#e8e8e4;color:var(--doc-ink);font-weight:600}
.nav-links a.is-active span{color:var(--doc-signal)}

.docs-context{padding:34px 24px 70px;border-left:1px solid var(--doc-line);background:var(--doc-paper)}
.docs-context>strong{display:block;margin-bottom:15px;font:600 9px/1 var(--doc-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--doc-ink)}
.docs-context>a{display:block;padding:5px 0;text-decoration:none;font-size:11px;line-height:1.45;color:var(--doc-muted)}
.docs-context>a:hover{color:var(--doc-signal)}
.context-empty{font-size:11px;color:var(--doc-faint)}
.context-card{display:flex;flex-direction:column;gap:8px;margin-top:26px;padding:14px;border:1px solid var(--doc-line);border-radius:7px;background:#fff}
.context-card>span{font:600 9px/1 var(--doc-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--doc-muted)}
.context-card code{overflow-wrap:anywhere;font:500 9px/1.5 var(--doc-mono);color:var(--doc-signal)}
.context-card small{font-size:10px;line-height:1.45;color:var(--doc-faint)}
.context-card a{font-size:11px;color:var(--doc-blue);text-decoration:none}

.docs-main{min-width:0;background:var(--doc-surface)}
.docs-main>section,.docs-main .doc-article{scroll-margin-top:calc(var(--doc-nav-height) + var(--doc-bar-height) + 24px)}
.section-label{display:inline-flex;align-items:center;gap:8px;font:600 9px/1 var(--doc-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--doc-signal)}
.section-label::before{content:"";width:18px;height:1px;background:currentColor}
.section-heading{margin-bottom:34px}
.section-heading h2,.kun-copy h2,.agent-access h2{max-width:15ch;margin:12px 0 0;font:500 clamp(34px,5vw,62px)/1.02 var(--doc-sans);letter-spacing:-.035em;color:var(--doc-ink)}
.section-heading>p{max-width:60ch;margin:14px 0 0;color:var(--doc-muted);font-size:15px}

.docs-hero{position:relative;min-height:650px;padding:76px 64px 58px;overflow:hidden;background:
  linear-gradient(rgba(21,33,43,.045) 1px,transparent 1px),
  linear-gradient(90deg,rgba(21,33,43,.045) 1px,transparent 1px),
  radial-gradient(circle at 83% 20%,rgba(226,255,0,.12),transparent 28%),
  #faf9f5;background-size:24px 24px,24px 24px,auto,auto}
.docs-hero::after{content:"13°24′E / 50°05′N";position:absolute;right:24px;top:24px;font:500 8px/1 var(--doc-mono);letter-spacing:.12em;color:var(--doc-faint)}
.hero-kicker{display:flex;flex-wrap:wrap;gap:8px 20px;font:500 9px/1 var(--doc-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--doc-muted)}
.hero-kicker span+span::before{content:"·";margin-right:20px;color:var(--doc-signal)}
.docs-hero h1{max-width:800px;margin:74px 0 28px;font:500 clamp(52px,7.3vw,94px)/.9 var(--doc-sans);letter-spacing:-.05em;color:var(--doc-ink)}
.docs-hero h1 em{font-weight:400;color:var(--doc-signal)}
.hero-dek{max-width:700px;margin:0;font-size:18px;line-height:1.55;letter-spacing:-.015em;color:#46545e}
.hero-credit{display:flex;align-items:center;gap:9px;margin-top:28px;font:500 9px/1 var(--doc-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--doc-faint)}
.hero-credit strong{color:var(--doc-ink);font-size:10px}
.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);margin-top:65px;border-top:1px solid var(--doc-line);border-left:1px solid var(--doc-line)}
.hero-metrics div{min-height:105px;padding:19px;border-right:1px solid var(--doc-line);border-bottom:1px solid var(--doc-line);background:rgba(255,255,255,.48)}
.hero-metrics strong{display:block;font:500 32px/1 var(--doc-sans);color:var(--doc-ink)}
.hero-metrics span{display:block;margin-top:14px;font:500 9px/1.3 var(--doc-mono);text-transform:uppercase;letter-spacing:.05em;color:var(--doc-muted)}

.substrate-law{padding:76px 64px;background:var(--doc-navy);color:#fff}
.substrate-law .section-label{color:#e6a36d}
.substrate-law blockquote{max-width:780px;margin:28px 0 22px;font:400 clamp(34px,5vw,62px)/1.08 var(--doc-sans);letter-spacing:-.035em}
.substrate-law p{max-width:660px;margin:0;font-size:15px;line-height:1.7;color:#c9d3da}

.system-map,.infinite-grid,.documentation-map,.proof-roadmap{padding:76px 64px;border-top:1px solid var(--doc-line)}
.model-canvas{position:relative;height:530px;margin:0 0 34px;border:1px solid var(--doc-line);border-radius:var(--doc-radius);overflow:hidden;background:
  linear-gradient(rgba(21,33,43,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(21,33,43,.05) 1px,transparent 1px),#f8f8f4;background-size:24px 24px}
.model-canvas::before,.model-canvas::after{content:"";position:absolute;left:50%;top:50%;border:1px solid rgba(37,97,140,.2);border-radius:50%;transform:translate(-50%,-50%)}
.model-canvas::before{width:380px;height:380px}.model-canvas::after{width:260px;height:260px}
.model-core{position:absolute;left:50%;top:50%;z-index:2;width:172px;height:172px;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px solid var(--doc-navy);border-radius:50%;background:var(--doc-navy);color:#fff;box-shadow:0 18px 60px rgba(23,56,79,.2)}
.model-core small,.model-core span{font:500 8px/1 var(--doc-mono);letter-spacing:.07em;text-transform:uppercase;color:#aebfcb}
.model-core strong{margin:12px 0;font:500 25px/1.05 var(--doc-sans)}
.facet{position:absolute;z-index:3;padding:9px 12px;border:1px solid var(--doc-line);border-radius:5px;background:#fff;font:500 10px/1 var(--doc-mono);color:var(--doc-ink);box-shadow:0 5px 18px rgba(21,33,43,.06)}
.f1{left:8%;top:14%}.f2{left:38%;top:8%}.f3{right:8%;top:14%}.f4{left:4%;top:46%}.f5{right:4%;top:46%}.f6{left:10%;bottom:14%}.f7{left:39%;bottom:8%}.f8{right:10%;bottom:14%}.f9{right:22%;top:27%}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--doc-line);border-left:1px solid var(--doc-line)}
.entry-grid a{min-height:190px;padding:23px;border-right:1px solid var(--doc-line);border-bottom:1px solid var(--doc-line);text-decoration:none;transition:background .2s}
.entry-grid a:hover{background:var(--doc-signal-soft)}
.entry-grid span{font:500 9px/1 var(--doc-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--doc-signal)}
.entry-grid strong{display:block;margin:28px 0 10px;font-size:15px}
.entry-grid p{margin:0;font-size:12px;line-height:1.55;color:var(--doc-muted)}

.kun-profile{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--doc-line)}
.kun-visual{position:relative;min-height:590px;padding:34px;overflow:hidden;background:
  linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),
  radial-gradient(circle at 75% 25%,#31556c,transparent 35%),#142b3a;background-size:28px 28px;color:#fff}
.kun-visual::before{content:"";position:absolute;left:10%;right:10%;bottom:22%;height:145px;border:2px solid rgba(255,255,255,.18);border-radius:16px 60px 14px 14px;transform:skewX(-5deg);box-shadow:inset -110px 0 0 rgba(255,255,255,.035)}
.kun-visual::after{content:"";position:absolute;left:18%;bottom:17%;width:64%;height:74px;background:radial-gradient(circle at 12% 50%,#0a151c 0 25px,#91a4af 26px 28px,transparent 29px),radial-gradient(circle at 88% 50%,#0a151c 0 25px,#91a4af 26px 28px,transparent 29px)}
.vehicle-badge{font:500 9px/1 var(--doc-mono);letter-spacing:.08em;color:#c7d4dc}
.kun-visual>strong{position:absolute;left:34px;bottom:78px;z-index:2;font:500 clamp(72px,9vw,118px)/.8 var(--doc-sans);letter-spacing:-.05em}
.kun-visual>p{position:absolute;left:38px;bottom:33px;z-index:2;margin:0;font:500 10px/1 var(--doc-mono);letter-spacing:.1em;text-transform:uppercase;color:#dbe3e8}
.telemetry-line{position:absolute;left:34px;right:34px;top:95px;height:52px;border-bottom:1px solid rgba(255,255,255,.18)}
.telemetry-line i{position:absolute;left:0;right:0;bottom:-1px;height:28px;background:linear-gradient(105deg,transparent 0 14%,#f1a764 14.2% 14.5%,transparent 14.7% 27%,#f1a764 27.2% 27.5%,transparent 27.7% 53%,#f1a764 53.2% 53.5%,transparent 53.7% 100%);clip-path:polygon(0 94%,10% 89%,14% 25%,18% 85%,27% 35%,32% 91%,48% 84%,53% 12%,58% 89%,78% 82%,88% 92%,100% 84%,100% 100%,0 100%)}
.kun-copy{padding:68px 56px}
.kun-copy h2{max-width:11ch}
.kun-copy>p{max-width:55ch;margin:22px 0 40px;color:var(--doc-muted);font-size:14px;line-height:1.7}
.kun-copy dl{margin:0;border-top:1px solid var(--doc-line)}
.kun-copy dl div{display:grid;grid-template-columns:88px 1fr;gap:18px;padding:14px 0;border-bottom:1px solid var(--doc-line)}
.kun-copy dt{font:600 9px/1.5 var(--doc-mono);text-transform:uppercase;letter-spacing:.05em;color:var(--doc-signal)}
.kun-copy dd{margin:0;font-size:12px;color:var(--doc-muted)}

.machine-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--doc-line);border-left:1px solid var(--doc-line)}
.machine-grid span{display:flex;align-items:flex-end;min-height:120px;padding:16px;border-right:1px solid var(--doc-line);border-bottom:1px solid var(--doc-line);font:500 11px/1.3 var(--doc-mono);background:linear-gradient(135deg,transparent 75%,rgba(226,255,0,.08))}
.machine-grid span::before{content:"+";align-self:flex-start;margin-right:auto;color:var(--doc-signal)}

.map-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--doc-line);border-left:1px solid var(--doc-line)}
.map-card{display:grid;grid-template-columns:52px 1fr;gap:10px 18px;min-height:150px;padding:24px;border-right:1px solid var(--doc-line);border-bottom:1px solid var(--doc-line);text-decoration:none}
.map-card:hover{background:#f7f7f3}
.map-card>span{grid-row:1/3;font:500 28px/1 var(--doc-sans);color:var(--doc-signal)}
.map-card strong{font-size:14px}
.map-card small{font-size:11px;color:var(--doc-muted)}

.agent-access{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;padding:76px 64px;border-top:1px solid var(--doc-line);background:#111c24;color:#fff}
.agent-access .section-label{color:#efaa71}
.agent-access h2{max-width:10ch;color:#fff}
.agent-access p{max-width:54ch;color:#b9c4cb}
.endpoint-list{margin-top:35px;border-top:1px solid rgba(255,255,255,.15)}
.endpoint-list a{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.15);text-decoration:none}
.endpoint-list code{font:500 10px/1.4 var(--doc-mono);color:#f1a764}.endpoint-list span{font-size:11px;color:#9eabb3}
.agent-card{align-self:center;margin:0;padding:24px;overflow:auto;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:#0b1217;color:#c9d5dc;font:400 11px/1.7 var(--doc-mono)}

.roadmap-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--doc-line);border-left:1px solid var(--doc-line)}
.roadmap-grid article{min-height:230px;padding:25px;border-right:1px solid var(--doc-line);border-bottom:1px solid var(--doc-line)}
.roadmap-grid article>span{font:600 9px/1 var(--doc-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--doc-signal)}
.roadmap-grid h3{max-width:22ch;margin:34px 0 12px;font-size:18px;line-height:1.25}
.roadmap-grid p{margin:0;font-size:12px;line-height:1.6;color:var(--doc-muted)}

.article-header{padding:68px 64px 58px;border-bottom:1px solid var(--doc-line);background:
  linear-gradient(rgba(21,33,43,.035) 1px,transparent 1px),
  linear-gradient(90deg,rgba(21,33,43,.035) 1px,transparent 1px),#faf9f5;background-size:24px 24px}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font:500 9px/1 var(--doc-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--doc-muted)}
.article-meta span+span::before{content:"·";margin-right:20px;color:var(--doc-signal)}
.article-header h1{max-width:760px;margin:46px 0 24px;font:500 clamp(42px,6vw,72px)/1 var(--doc-sans);letter-spacing:-.045em}
.article-header>p{max-width:680px;margin:0;font-size:16px;line-height:1.65;color:var(--doc-muted)}
.article-credit{display:flex;gap:9px;margin-top:25px;font:500 9px/1 var(--doc-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--doc-faint)}
.article-credit strong{color:var(--doc-ink)}
.doc-prose{padding:58px 64px 90px;font-size:15px;line-height:1.72;color:#33414b}
.doc-prose>p,.doc-prose>ul,.doc-prose>ol,.doc-prose>blockquote{max-width:74ch}
.doc-prose p{margin:0 0 1.18em}
.doc-prose p[data-kind=requirement]{padding:18px 20px;border-left:3px solid var(--doc-signal);background:var(--doc-signal-soft);color:#3d2a1c}
.normative-word{font:600 .82em/1 var(--doc-mono);letter-spacing:.02em;color:var(--doc-red)}
.doc-prose h2,.doc-prose h3,.doc-prose h4{position:relative;scroll-margin-top:170px;color:var(--doc-ink)}
.doc-prose h2{margin:2.3em 0 .75em;padding-top:.7em;border-top:1px solid var(--doc-line);font:500 31px/1.15 var(--doc-sans);letter-spacing:-.025em}
.doc-prose h3{margin:2em 0 .7em;font-size:18px;line-height:1.3}
.doc-prose h4{margin:1.8em 0 .6em;font:600 11px/1.4 var(--doc-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--doc-blue)}
.heading-anchor{position:absolute;right:100%;top:inherit;width:28px;text-decoration:none;color:transparent}
.doc-prose h2:hover .heading-anchor,.doc-prose h3:hover .heading-anchor,.doc-prose h4:hover .heading-anchor,.heading-anchor:focus{color:var(--doc-signal)}
.doc-list{margin:0 0 1.35em;padding-left:1.3em}
.doc-list li{padding-left:.3em;margin:.42em 0}
.doc-list li::marker{color:var(--doc-signal)}
.doc-prose blockquote{margin:2em 0;padding:18px 22px;border-left:2px solid var(--doc-blue);background:#f0f5f8;font:400 20px/1.5 var(--doc-sans);color:var(--doc-navy)}
.table-wrap{width:100%;margin:28px 0 36px;overflow:auto;border:1px solid var(--doc-line);border-radius:6px;background:#fff}
.table-wrap table{width:100%;border-collapse:collapse;font-size:11px;line-height:1.5}
.table-wrap th{position:sticky;top:0;padding:11px 13px;border-right:1px solid var(--doc-line);border-bottom:1px solid var(--doc-line);background:#eceeea;text-align:left;font:600 9px/1.35 var(--doc-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--doc-ink);vertical-align:top}
.table-wrap td{min-width:130px;padding:12px 13px;border-right:1px solid var(--doc-line-soft);border-bottom:1px solid var(--doc-line-soft);vertical-align:top;color:#45535d}
.table-wrap tr:last-child td{border-bottom:0}
.code-panel{margin:28px 0 36px;border:1px solid #283844;border-radius:7px;overflow:hidden;background:#111b22;color:#d5e0e6}
.code-bar{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border-bottom:1px solid #283844;background:#17252e;font:500 9px/1 var(--doc-mono);letter-spacing:.04em;text-transform:uppercase;color:#8fa0aa}
.copy-code{padding:5px 8px!important;border:1px solid #3a4d59!important;border-radius:4px!important;background:transparent!important;color:#c7d2d8!important;font:500 9px/1 var(--doc-mono)!important}
.code-panel pre{max-height:680px;margin:0;padding:18px;overflow:auto;white-space:pre;font:400 11px/1.65 var(--doc-mono)}
.doc-figure{margin:34px 0}
.image-frame{position:relative;overflow:hidden;border:1px solid var(--doc-line);border-radius:7px;background:#eceeea}
.image-frame::after{content:attr(data-watermark);position:absolute;right:12px;bottom:10px;padding:5px 7px;background:rgba(21,33,43,.72);color:#fff;font:500 7px/1 var(--doc-mono);letter-spacing:.08em}
.doc-figure img{display:block;width:100%;height:auto}
.doc-figure figcaption{margin-top:8px;font:500 9px/1.4 var(--doc-mono);color:var(--doc-faint)}
.page-sequence{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--doc-line)}
.page-sequence a{min-height:130px;padding:24px;text-decoration:none;font-size:12px;line-height:1.45}
.page-sequence a+ a{border-left:1px solid var(--doc-line)}
.page-sequence a.next{text-align:right}
.page-sequence span{display:block;margin-bottom:13px;font:500 9px/1 var(--doc-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--doc-signal)}
.page-sequence a:hover{background:var(--doc-signal-soft)}

.substrate-footer{display:grid;grid-template-columns:1fr 2fr 1fr;gap:30px;align-items:start;max-width:1570px;margin:0 auto;padding:42px 34px;border:1px solid var(--doc-line);border-top:0;background:var(--doc-paper);color:var(--doc-muted)}
.substrate-footer>div:first-child{display:flex;flex-direction:column;font:500 9px/1.5 var(--doc-mono);letter-spacing:.05em;text-transform:uppercase}
.substrate-footer>div:first-child strong{color:var(--doc-ink);font-size:13px}
.substrate-footer p{margin:0;font-size:11px;line-height:1.55}
.footer-links{display:flex;justify-content:flex-end;gap:15px}
.footer-links a{font:500 9px/1 var(--doc-mono);text-decoration:none;color:var(--doc-blue)}

@media(max-width:1220px){
  .docs-shell{grid-template-columns:278px minmax(0,1fr)}
  .docs-context{display:none}
  .docs-actions>a:last-child{display:none}
}
@media(max-width:900px){
  .docs-bar{padding:0 18px}
  .mobile-nav-toggle{display:inline-flex}
  .docs-actions>a{display:none}
  .version-picker{display:none}
  .search-wrap{width:min(330px,48vw)}
  .docs-shell{display:block;border-left:0;border-right:0}
  .docs-nav{position:fixed;left:0;top:calc(var(--doc-nav-height) + var(--doc-bar-height));z-index:89;width:min(340px,88vw);height:calc(100dvh - var(--doc-nav-height) - var(--doc-bar-height));max-height:none;transform:translateX(-105%);transition:transform .25s ease;box-shadow:18px 0 50px rgba(21,33,43,.15)}
  .docs-nav-open .docs-nav{transform:none}
  .docs-nav-open::after{content:"";position:fixed;inset:calc(var(--doc-nav-height) + var(--doc-bar-height)) 0 0;z-index:88;background:rgba(21,33,43,.35)}
  .docs-hero,.system-map,.infinite-grid,.documentation-map,.proof-roadmap,.article-header,.doc-prose{padding-left:clamp(22px,6vw,48px);padding-right:clamp(22px,6vw,48px)}
  .kun-profile{grid-template-columns:1fr}.kun-visual{min-height:470px}
  .agent-access{grid-template-columns:1fr;padding-left:clamp(22px,6vw,48px);padding-right:clamp(22px,6vw,48px)}
  .substrate-footer{grid-template-columns:1fr;gap:18px}.footer-links{justify-content:flex-start}
}
@media(max-width:620px){
  :root{--doc-nav-height:64px;--doc-bar-height:58px}
  body.substrate-site{font-size:14px}
  .site-chrome{padding:0 18px}.site-menu{padding:8px 13px}.site-contact{width:30px;height:30px;border-radius:50%;background:#e8e7e3;font-size:0}.site-contact span{display:block;font-size:0}.site-contact::after{content:"";display:block;width:7px;height:7px;margin:11px auto;border-radius:50%;background:var(--doc-signal)}
  .docs-product strong{font-size:11px}.docs-product>span:last-child{display:none}
  .docs-actions{gap:8px}.mobile-nav-toggle{padding:8px!important}
  .search-wrap{width:42vw}.search-wrap input{height:34px;padding-left:10px;font-size:11px}.search-wrap kbd{display:none}
  .docs-hero{min-height:auto;padding-top:54px;padding-bottom:42px}.docs-hero h1{margin-top:52px}
  .hero-kicker span:nth-child(3){display:none}
  .hero-metrics{grid-template-columns:repeat(2,1fr);margin-top:42px}
  .substrate-law,.system-map,.infinite-grid,.documentation-map,.proof-roadmap,.agent-access{padding-top:56px;padding-bottom:56px;padding-left:22px;padding-right:22px}
  .model-canvas{height:auto;padding:24px;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
  .model-canvas::before,.model-canvas::after{display:none}
  .model-core{position:relative;left:auto;top:auto;grid-column:1/-1;width:150px;height:150px;margin:10px auto 18px;transform:none}
  .facet{position:static;text-align:center}
  .entry-grid,.machine-grid,.map-grid,.roadmap-grid{grid-template-columns:1fr}
  .entry-grid a{min-height:150px}.machine-grid span{min-height:80px}.roadmap-grid article{min-height:190px}
  .kun-copy{padding:54px 22px}.kun-visual{min-height:400px}
  .agent-card{font-size:9px}
  .article-header{padding-top:50px;padding-bottom:42px}.article-header h1{margin-top:38px}
  .doc-prose{padding-top:42px;padding-bottom:65px}.doc-prose h2{font-size:27px}
  .page-sequence{grid-template-columns:1fr}.page-sequence a+a{border-left:0;border-top:1px solid var(--doc-line)}
  .page-sequence a.next{text-align:left}
  .substrate-footer{padding:34px 22px}
  .lnk-watermark{display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.docs-nav{transition:none}
}
@media print{
  @page{margin:18mm}
  body.substrate-site{padding:0;background:#fff;color:#000}
  .site-chrome,.nav,.docs-bar,.docs-nav,.docs-context,.substrate-footer,#site-footer,.page-sequence,.copy-code{display:none!important}
  .docs-shell{display:block;border:0}.docs-main{background:#fff}
  .article-header,.doc-prose{padding:0}.article-header{margin-bottom:14mm;background:none}
  .doc-prose{font-size:10pt}.table-wrap{break-inside:avoid}.code-panel{break-inside:avoid}
  .lnk-watermark{display:block;right:50%;top:50%;transform:translate(50%,-50%) rotate(-28deg);writing-mode:horizontal-tb;font-size:34pt;color:rgba(0,0,0,.06)}
  a{color:#000!important;text-decoration:none!important}
}

/*
 * RTracer Universal Substrate documentation — RTracer brand projection
 * Presentation patch: v1.4.1
 * Concept & direction: LNK · © LNK
 * Visual watermark: LNK // RTRACER // AUTHORITATIVE DOCUMENTATION CORPUS
 * Brand sources: rtracer-app commits 1f583fdd, 53e3416f, 477f805b,
 * c50d655d and the July 2026 Ferdi Passport/profile design line.
 */

@font-face {
  font-family: "Inter Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("./assets/brand/inter-latin-ext-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Inter Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url("./assets/brand/inter-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
    U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "JetBrains Mono Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url("./assets/brand/jetbrains-mono-latin-ext-wght-normal.woff2")
    format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "JetBrains Mono Variable";
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url("./assets/brand/jetbrains-mono-latin-wght-normal.woff2")
    format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
    U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --doc-void: #040404;
  --doc-ink: #0a0b0d;
  --doc-paper: #ffffff;
  --doc-bone: #f2f2f0;
  --doc-canvas: #040404;
  --doc-surface: #ffffff;
  --doc-muted: #60636a;
  --doc-mute-brand: #8b8e94;
  --doc-faint: #64676d;
  --doc-line: #d9d9d5;
  --doc-line-soft: #e9e9e5;
  --doc-navy: #0a0b0d;
  --doc-blue: #515e00;
  --doc-signal: #e2ff00;
  --doc-signal-soft: rgba(226, 255, 0, 0.12);
  --doc-signal-line: rgba(226, 255, 0, 0.45);
  --doc-signal-ink: #515e00;
  --doc-green: #267252;
  --doc-red: #a93030;
  --doc-sans: "Inter Variable", "Inter", ui-sans-serif, system-ui, -apple-system,
    "Segoe UI", sans-serif;
  --doc-mono: "JetBrains Mono Variable", "JetBrains Mono", ui-monospace, "SF Mono",
    Menlo, Consolas, monospace;
  --doc-radius-sm: 8px;
  --doc-radius: 12px;
  --doc-radius-lg: 16px;
  --doc-nav-height: calc(72px + env(safe-area-inset-top));
  --doc-bar-height: 64px;
  color-scheme: dark light;
}

html {
  background: var(--doc-void);
}

body.substrate-site {
  background: var(--doc-void);
  color: var(--doc-ink);
  font-family: var(--doc-sans);
  font-size: 16px;
  line-height: 1.5;
}

body.substrate-site ::selection {
  background: var(--doc-signal);
  color: var(--doc-ink);
}

body.substrate-site :focus-visible {
  outline-color: var(--doc-signal-ink);
  outline-width: 3px;
}

.site-chrome :focus-visible,
.docs-bar :focus-visible,
.substrate-law :focus-visible,
.agent-access :focus-visible,
.substrate-footer :focus-visible,
.agent-card :focus-visible,
.code-panel :focus-visible {
  outline-color: var(--doc-signal);
}

.skip-link {
  background: var(--doc-signal);
  color: var(--doc-ink) !important;
  border-radius: var(--doc-radius-sm);
  font-weight: 650;
}

.site-chrome {
  padding: env(safe-area-inset-top)
    calc(clamp(24px, 4vw, 56px) + env(safe-area-inset-right)) 0
    calc(clamp(24px, 4vw, 56px) + env(safe-area-inset-left));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(4, 4, 4, 0.9);
  color: var(--doc-paper);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.site-menu,
.site-contact {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
}

.site-menu {
  min-width: 92px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
  color: var(--doc-paper);
  font-size: 13px;
  font-weight: 500;
}

.site-menu:hover {
  background: rgba(255, 255, 255, 0.11);
}

.site-brand {
  width: 112px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.site-brand::before {
  content: none;
}

.site-brand img {
  display: block;
  width: 72px;
  height: 32px;
}

.site-contact {
  min-width: 112px;
  padding: 0 18px;
  background: var(--doc-paper);
  color: var(--doc-ink);
  font: 600 13px/1 var(--doc-sans);
  letter-spacing: -0.01em;
}

.site-contact span {
  margin-left: 8px;
  color: var(--doc-signal-ink);
}

.lnk-watermark {
  color: rgba(226, 255, 0, 0.24);
}

.docs-bar {
  padding-right: calc(28px + env(safe-area-inset-right));
  padding-left: calc(28px + env(safe-area-inset-left));
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(10, 11, 13, 0.96);
  color: var(--doc-paper);
}

.docs-product strong {
  color: var(--doc-paper);
  font-weight: 600;
}

.docs-product > span:last-child,
.version-picker select,
.search-wrap input,
.search-wrap kbd,
.mobile-nav-toggle {
  border-color: rgba(255, 255, 255, 0.12) !important;
  background: #15171a !important;
  color: #cac5ca !important;
}

.docs-product > span:last-child,
.version-picker select,
.search-wrap input {
  border-radius: var(--doc-radius);
}

.version-picker select {
  height: 34px;
}

.search-wrap input {
  height: 40px;
  font-size: 13px;
}

.search-wrap input:focus,
.version-picker select:focus {
  border-color: var(--doc-signal) !important;
  box-shadow: 0 0 0 3px rgba(226, 255, 0, 0.14);
}

.docs-actions > a,
.mobile-nav-toggle {
  color: #cac5ca;
}

.docs-actions > a:hover {
  color: var(--doc-paper);
}

.search-results {
  border-color: var(--doc-line);
  border-radius: var(--doc-radius);
  background: var(--doc-paper);
  color: var(--doc-ink);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

.search-results a:hover,
.search-results a[aria-selected="true"] {
  background: var(--doc-bone);
}

.trace-dot {
  border-color: var(--doc-signal);
  box-shadow: 0 0 18px rgba(226, 255, 0, 0.28);
}

.trace-dot::after {
  background: linear-gradient(90deg, var(--doc-signal), transparent);
}

.docs-shell {
  border-color: rgba(255, 255, 255, 0.1);
  background: var(--doc-bone);
}

.docs-nav,
.docs-context {
  background: var(--doc-bone);
}

.docs-nav {
  border-color: var(--doc-line);
}

.docs-context {
  border-color: var(--doc-line);
}

.nav-overview:hover,
.nav-overview.is-active,
.nav-links a:hover {
  background: rgba(10, 11, 13, 0.06);
}

.nav-links a.is-active {
  background: var(--doc-signal-soft);
  box-shadow: inset 3px 0 0 var(--doc-signal);
}

.nav-links a.is-active span,
.docs-context > a:hover,
.context-card code,
.footer-links a {
  color: var(--doc-signal-ink);
}

.context-card {
  border-radius: var(--doc-radius);
  background: var(--doc-paper);
}

.docs-main {
  background: var(--doc-paper);
}

.section-label {
  color: var(--doc-signal-ink);
}

.section-heading h2,
.kun-copy h2,
.agent-access h2,
.docs-hero h1,
.substrate-law blockquote,
.model-core strong,
.kun-visual > strong,
.article-header h1,
.doc-prose h2,
.doc-prose blockquote,
.hero-metrics strong,
.map-card > span {
  font-family: var(--doc-sans);
}

.section-heading h2,
.kun-copy h2,
.agent-access h2,
.docs-hero h1,
.substrate-law blockquote,
.article-header h1 {
  font-weight: 280;
  letter-spacing: -0.045em;
}

.docs-hero,
.article-header {
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 84% 12%, rgba(226, 255, 0, 0.12), transparent 29%),
    linear-gradient(158deg, #1b1d22 0%, #0d0e12 48%, #050507 100%);
  background-size: 28px 28px, 28px 28px, auto, auto;
  color: var(--doc-paper);
}

.docs-hero::after,
.hero-kicker,
.article-meta,
.article-credit {
  color: var(--doc-mute-brand);
}

.docs-hero h1,
.article-header h1,
.article-credit strong {
  color: var(--doc-paper);
}

.docs-hero h1 em {
  color: var(--doc-signal);
  font-style: normal;
}

.hero-dek,
.article-header > p {
  color: #cac5ca;
}

.hero-credit strong {
  color: var(--doc-paper);
}

.hero-metrics {
  border-color: rgba(255, 255, 255, 0.13);
}

.hero-metrics div {
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.035);
}

.hero-metrics strong {
  color: var(--doc-paper);
}

.hero-metrics span {
  color: var(--doc-mute-brand);
}

.substrate-law,
.agent-access,
.substrate-footer {
  background:
    radial-gradient(circle at 85% 8%, rgba(226, 255, 0, 0.09), transparent 25%),
    var(--doc-ink);
  color: var(--doc-paper);
}

.substrate-law .section-label,
.agent-access .section-label,
.endpoint-list code {
  color: var(--doc-signal);
}

.roadmap-grid article > span {
  color: var(--doc-signal-ink);
}

.substrate-law p,
.agent-access p,
.endpoint-list span {
  color: #cac5ca;
}

.model-canvas {
  border-radius: var(--doc-radius-lg);
  background:
    linear-gradient(rgba(10, 11, 13, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 11, 13, 0.045) 1px, transparent 1px),
    var(--doc-bone);
  background-size: 28px 28px;
}

.model-canvas::before,
.model-canvas::after {
  border-color: rgba(10, 11, 13, 0.13);
}

.model-core {
  border-color: var(--doc-signal-line);
  background: var(--doc-ink);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
}

.model-core small,
.model-core span {
  color: var(--doc-mute-brand);
}

.facet,
.entry-grid a,
.roadmap-grid article,
.map-card,
.machine-grid span {
  background-color: var(--doc-paper);
}

.facet,
.table-wrap,
.code-panel,
.image-frame,
.agent-card {
  border-radius: var(--doc-radius);
}

.entry-grid a:hover,
.map-card:hover {
  background: var(--doc-signal-soft);
}

.entry-grid span,
.machine-grid span::before,
.page-sequence span {
  color: var(--doc-signal-ink);
}

.kun-visual {
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 76% 22%, rgba(226, 255, 0, 0.13), transparent 34%),
    linear-gradient(158deg, #1b1d22 0%, #0d0e12 50%, #050507 100%);
  background-size: 28px 28px, 28px 28px, auto, auto;
}

.telemetry-line i {
  background: linear-gradient(
    105deg,
    transparent 0 14%,
    var(--doc-signal) 14.2% 14.5%,
    transparent 14.7% 27%,
    var(--doc-signal) 27.2% 27.5%,
    transparent 27.7% 53%,
    var(--doc-signal) 53.2% 53.5%,
    transparent 53.7% 100%
  );
}

.kun-copy dt {
  color: var(--doc-signal-ink);
}

.machine-grid span {
  background-image: linear-gradient(135deg, transparent 75%, var(--doc-signal-soft));
}

.agent-card,
.code-panel {
  border-color: #2a2c30;
  background: #050507;
  color: #d7d8dc;
}

.code-bar {
  border-color: #2a2c30;
  background: #15171a;
  color: var(--doc-mute-brand);
}

.copy-code {
  border-color: #3b3d42 !important;
  color: #cac5ca !important;
}

.doc-prose {
  color: #313238;
}

.doc-prose h2,
.doc-prose h3,
.doc-prose h4 {
  color: var(--doc-ink);
}

.doc-prose h2 {
  font-weight: 420;
  letter-spacing: -0.03em;
}

.doc-prose h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
}

.doc-prose p[data-kind="requirement"] {
  border-color: var(--doc-signal);
  background: var(--doc-signal-soft);
  color: var(--doc-ink);
}

.doc-prose blockquote {
  border-color: var(--doc-signal);
  background: var(--doc-bone);
  color: var(--doc-ink);
  font-weight: 340;
}

.doc-list li::marker,
.heading-anchor:focus,
.doc-prose h2:hover .heading-anchor,
.doc-prose h3:hover .heading-anchor,
.doc-prose h4:hover .heading-anchor {
  color: var(--doc-signal-ink);
}

.table-wrap {
  background: var(--doc-paper);
}

.table-wrap th {
  background: var(--doc-bone);
  color: var(--doc-ink);
}

.table-wrap td {
  color: #41434a;
}

.image-frame {
  background: var(--doc-bone);
}

.image-frame::after {
  background: rgba(4, 4, 4, 0.78);
}

.page-sequence a:hover {
  background: var(--doc-signal-soft);
}

.substrate-footer {
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--doc-mute-brand);
}

.substrate-footer > div:first-child strong,
.substrate-footer p {
  color: var(--doc-paper);
}

.substrate-footer .footer-links a {
  color: var(--doc-signal);
}

@media (max-width: 760px) {
  .site-chrome {
    padding: env(safe-area-inset-top) calc(18px + env(safe-area-inset-right)) 0
      calc(18px + env(safe-area-inset-left));
  }

  .site-menu,
  .site-contact {
    min-width: 44px;
    width: 44px;
    padding: 0;
    overflow: hidden;
    font-size: 0;
  }

  .site-menu::before {
    content: "Home";
    font-size: 10px;
  }

  .site-contact span {
    margin: 0;
    font-size: 15px;
  }

  .site-contact::after {
    content: none;
  }

  .site-brand {
    width: 88px;
  }

  .site-brand img {
    width: 63px;
    height: 28px;
  }

  .docs-bar {
    background: rgba(10, 11, 13, 0.98);
  }
}

@media print {
  :root {
    --doc-canvas: #ffffff;
    --doc-paper: #ffffff;
    --doc-surface: #ffffff;
    --doc-ink: #000000;
    --doc-muted: #444444;
    --doc-faint: #333333;
    --doc-line: #cccccc;
    --doc-signal: #000000;
    --doc-signal-ink: #000000;
  }

  body.substrate-site,
  .docs-main,
  .docs-shell,
  .docs-nav,
  .docs-context {
    background: #ffffff;
    color: #000000;
  }

  .article-header,
  .docs-hero,
  .substrate-law,
  .agent-access,
  .model-canvas,
  .model-core,
  .kun-visual,
  .agent-card,
  .code-panel,
  .code-bar {
    background: #ffffff !important;
    color: #000000;
    box-shadow: none !important;
  }

  .article-header h1,
  .article-header > p,
  .article-credit strong,
  .docs-hero *,
  .substrate-law *,
  .agent-access *,
  .model-core *,
  .kun-visual *,
  .agent-card *,
  .code-panel *,
  .code-bar * {
    color: #000000 !important;
  }
}