:root{
  --night:#0b0d10;
  --panel:#12151a;
  --panel-2:#171b22;
  --ink:#f0eadb;
  --muted:#a2a8ae;
  --quiet:#737b85;
  --line:#343a43;
  --line-soft:rgba(255,255,255,.075);
  --brass:#c8a15a;
  --brass-2:#efd082;
  --history:#7fa8cf;
  --candidate:#78b7a8;
  --contested:#d99a4e;
  --gap:#c96b62;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-display:"Songti SC","STSong","Noto Serif SC",Georgia,serif;
  --font-mono:"SFMono-Regular","IBM Plex Mono",Consolas,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    linear-gradient(180deg,rgba(200,161,90,.05),transparent 300px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    var(--night);
  background-size:auto,64px 64px,64px 64px,auto;
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.65;
}
a{color:var(--brass-2);text-decoration-color:rgba(239,208,130,.45);text-underline-offset:4px}
a:hover{color:#fff1bd}
a:focus-visible{outline:2px solid var(--brass-2);outline-offset:4px}
img{max-width:100%}
.shell{width:min(1180px,calc(100% - 44px));margin:0 auto;min-width:0}
.topbar{border-bottom:1px solid var(--line-soft);background:rgba(11,13,16,.94)}
.topbar-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:baseline;gap:12px;color:var(--ink);text-decoration:none;min-width:0}
.brand strong{font-family:var(--font-display);font-size:24px;font-weight:500}
.brand span{color:var(--quiet);font-family:var(--font-mono);font-size:10px}
.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px;min-width:0}
.site-nav a{min-height:44px;display:inline-flex;align-items:center;padding:8px 10px;color:var(--muted);font-family:var(--font-mono);font-size:10px;text-decoration:none}
.site-nav a:hover{color:var(--ink)}
.site-nav .github{border:1px solid var(--line);color:var(--ink)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:7px;align-items:center;padding:22px 0 0;color:var(--quiet);font-family:var(--font-mono);font-size:10px}
.breadcrumb a{color:var(--muted)}
.breadcrumb span[aria-hidden="true"]{color:var(--line)}
.page-hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.65fr);gap:64px;padding:54px 0 48px;align-items:end}
.eyebrow,.section-label{color:var(--brass);font-family:var(--font-mono);font-size:11px;text-transform:uppercase}
h1,h2,h3{font-family:var(--font-display);font-weight:500;margin:0;color:var(--ink)}
h1{max-width:880px;font-size:56px;line-height:1.08}
h2{font-size:31px;line-height:1.2}
h3{font-size:21px;line-height:1.3}
.answer{max-width:780px;margin:20px 0 0;color:var(--muted);font-size:18px;line-height:1.7}
.answer strong{color:var(--ink);font-weight:600}
.status-ledger{border-top:1px solid var(--brass);border-bottom:1px solid var(--line)}
.status-row{display:grid;grid-template-columns:118px minmax(0,1fr);gap:14px;padding:11px 0;border-top:1px solid var(--line-soft)}
.status-row:first-child{border-top:0}
.status-row span:first-child{color:var(--quiet);font-family:var(--font-mono);font-size:10px;text-transform:uppercase}
.status-row span:last-child{color:var(--muted);font-size:13px;overflow-wrap:anywhere}
.main-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(250px,.55fr);gap:64px;padding:0 0 72px}
.prose{min-width:0}
.section{padding:38px 0;border-top:1px solid var(--line)}
.section:first-child{border-top-color:var(--brass)}
.section p{max-width:760px;color:var(--muted);margin:14px 0 0}
.section ul{margin:18px 0 0;padding-left:20px;color:var(--muted)}
.section li{margin:8px 0}
.section li::marker{color:var(--brass)}
.evidence-path{display:block;margin-top:7px;color:var(--quiet);font-size:11px;line-height:1.55}
.evidence-path b{color:var(--candidate);font-family:var(--font-mono);font-size:9px;font-weight:500;text-transform:uppercase}
.evidence-path a{margin-left:5px}
.evidence-path a.cross-page-evidence-link{display:inline-flex;align-items:center;min-height:32px;padding:0 4px;vertical-align:middle}
.evidence-path .limit{display:block;margin-top:3px;color:var(--quiet)}
.section.supported{border-top-color:var(--candidate)}
.section.contested{border-top-color:var(--contested)}
.section.gaps{border-top-color:var(--gap)}
.section.guardrails{border-top-style:dashed;border-top-color:var(--candidate)}
.side-index{align-self:start;position:sticky;top:18px;border-left:1px solid var(--line);padding-left:22px}
.side-index h2{font-family:var(--font-mono);font-size:11px;color:var(--quiet);text-transform:uppercase}
.side-index a{display:block;padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:13px;color:var(--muted)}
.related-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:20px}
.related-links a,.action-link{min-height:48px;display:flex;align-items:center;padding:11px 13px;border:1px solid var(--line);background:rgba(18,21,26,.72);color:var(--ink);font-family:var(--font-mono);font-size:11px;text-decoration:none}
.related-links a:hover,.action-link:hover{border-color:var(--brass);background:rgba(200,161,90,.06)}
.action-link{width:max-content;max-width:100%;margin-top:20px;border-color:rgba(200,161,90,.55)}
.phase-chain{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:24px}
.phase-node{position:relative;min-width:0;min-height:180px;padding:17px 14px;border:1px solid var(--line);background:rgba(18,21,26,.74)}
.phase-node::before{content:"";display:block;width:10px;height:10px;margin-bottom:16px;border:1px solid var(--brass);transform:rotate(45deg)}
.phase-node.current{border-color:var(--brass-2);background:rgba(200,161,90,.09)}
.phase-code{color:var(--brass-2);font-family:var(--font-mono);font-size:11px}
.phase-node h3{margin-top:8px;font-family:var(--font-body);font-size:15px}
.phase-node p{margin:8px 0 0;color:var(--quiet);font-family:var(--font-mono);font-size:10px;line-height:1.5}
.candidate-band{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;margin-top:12px;padding:16px;border:1px dashed var(--candidate);color:var(--muted);background:rgba(120,183,168,.04)}
.candidate-band strong{display:block;color:var(--candidate);font-family:var(--font-mono);font-size:12px}
.candidate-band span{font-size:13px}
.signal-table{width:100%;margin-top:22px;border-collapse:collapse}
.signal-table th,.signal-table td{padding:13px 12px;border-top:1px solid var(--line);vertical-align:top;text-align:left}
.signal-table th{width:160px;color:var(--quiet);font-family:var(--font-mono);font-size:10px;font-weight:400;text-transform:uppercase}
.signal-table td{color:var(--muted);font-size:13px}
.source-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:22px}
.source-card{min-width:0;padding:16px;border:1px solid var(--line);background:rgba(18,21,26,.74)}
.source-card .source-type{color:var(--candidate);font-family:var(--font-mono);font-size:9px;text-transform:uppercase}
.source-card h3{margin-top:8px;font-family:var(--font-body);font-size:15px}
.source-card p{margin:9px 0 0;color:var(--muted);font-size:12px}
.source-card b{color:var(--quiet);font-family:var(--font-mono);font-size:9px;font-weight:400;text-transform:uppercase}
.source-card a{overflow-wrap:anywhere}
.source-card:target{border-color:var(--brass-2);background:rgba(200,161,90,.08);scroll-margin-top:18px}
.registry-groups{display:grid;gap:38px}
.registry-group{border-top:1px solid var(--line);padding-top:26px}
.registry-group-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:end}
.registry-count{color:var(--quiet);font-family:var(--font-mono);font-size:10px}
.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:22px;background:var(--line)}
.principle{padding:18px;background:var(--panel)}
.principle strong{display:block;color:var(--brass-2);font-family:var(--font-mono);font-size:10px}
.principle p{margin:8px 0 0;color:var(--muted);font-size:12px}
.page-footer{border-top:1px solid var(--line);padding:28px 0 42px}
.footer-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:24px;align-items:start}
.footer-brand{font-family:var(--font-display);font-size:22px}
.footer-note{max-width:680px;color:var(--quiet);font-size:12px}
.footer-links{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;font-family:var(--font-mono);font-size:10px}
.mono{font-family:var(--font-mono)}
.candidate{color:var(--candidate)}
.brass{color:var(--brass-2)}

@media(max-width:900px){
  .topbar-inner{align-items:flex-start;flex-direction:column;padding:12px 0}
  .site-nav{width:100%;justify-content:flex-start;flex-wrap:wrap}
  .page-hero,.main-layout{grid-template-columns:minmax(0,1fr);gap:30px}
  .side-index{position:static;border-left:0;border-top:1px solid var(--line);padding:22px 0 0}
  .phase-chain{grid-template-columns:repeat(2,minmax(0,1fr))}
  .phase-node.current{grid-column:span 2}
  .footer-inner{grid-template-columns:minmax(0,1fr)}
  .footer-links{justify-content:flex-start}
}

@media(max-width:560px){
  .shell{width:calc(100% - 28px)}
  .topbar-inner{gap:10px}
  .brand{width:100%;justify-content:space-between;gap:8px}
  .brand strong{font-size:22px}
  .brand span{text-align:right}
  .site-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px}
  .site-nav a{justify-content:center;padding:8px 4px;border:1px solid var(--line-soft);text-align:center}
  .site-nav .github{grid-column:span 2}
  .breadcrumb{padding-top:16px}
  .page-hero{padding:36px 0 34px}
  h1{font-size:40px;overflow-wrap:anywhere}
  h2{font-size:27px}
  .answer{font-size:16px}
  .main-layout{padding-bottom:52px}
  .section{padding:30px 0}
  .status-row{grid-template-columns:90px minmax(0,1fr)}
  .phase-chain,.source-list,.related-links,.principles{grid-template-columns:minmax(0,1fr)}
  .phase-node,.phase-node.current{grid-column:auto;min-height:0}
  .candidate-band{grid-template-columns:minmax(0,1fr)}
  .signal-table,.signal-table tbody,.signal-table tr,.signal-table th,.signal-table td{display:block;width:100%}
  .signal-table tr{padding:12px 0;border-top:1px solid var(--line)}
  .signal-table th,.signal-table td{padding:3px 0;border:0}
  .registry-group-head{grid-template-columns:minmax(0,1fr)}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}