:root{color-scheme:dark;--bg:#101318;--panel:#171d24;--line:#303940;--ink:#e7eee9;--muted:#a4b1ad;--mint:#a5d7bc;--gold:#d9b585}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:35px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,sans-serif}a{color:var(--mint)}a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px}header,main{max-width:1240px;margin:auto;padding:0 48px}header{min-height:112px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-size:25px;font-weight:650;letter-spacing:-1px}.brand span{font-size:9px;letter-spacing:1.6px;color:var(--muted);max-width:130px;line-height:1.7;margin-left:13px}nav{display:flex;gap:28px}nav a{font-size:13px;text-decoration:none;color:var(--muted)}.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;padding:80px 0 85px;align-items:center}.eyebrow,.label{font:11px/1.6 ui-monospace,monospace;letter-spacing:1.8px;color:var(--mint)}h1{font-size:clamp(45px,5.5vw,72px);line-height:1.07;font-weight:540;letter-spacing:-3px;margin:25px 0}h1 em{font-family:Georgia,serif;color:var(--mint);font-weight:400}h2{font-size:34px;line-height:1.2;letter-spacing:-1px;font-weight:550;margin:13px 0 23px}h3{font-size:18px;line-height:1.4;font-weight:550}p{color:var(--muted)}strong,b{color:var(--ink)}.lede{font-size:17px;max-width:540px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.button,button{display:inline-block;border:1px solid var(--line);border-radius:5px;padding:12px 18px;background:transparent;color:var(--ink);font:13px/1.5 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span{font-size:11px;color:var(--muted)}.bar[aria-pressed=true]{border-color:var(--mint)}.filters{display:grid;grid-template-columns:2fr 1fr auto;gap:18px;align-items:end}label{font-size:11px;color:var(--muted)}select{display:block;width:100%;margin-top:5px;background:var(--bg);color:var(--ink);border:1px solid var(--line);padding:11px;border-radius:4px}#selection{font-size:12px}#records article{border-top:1px solid var(--line);padding:16px 0}#records h4{margin:0;font-size:12px;font-weight:550}#records p{font-size:13px;margin:10px 0}.record-head{display:flex;justify-content:space-between;gap:12px}.result{font:10px ui-monospace,monospace;color:var(--gold)}summary{cursor:pointer;color:var(--mint);font-size:12px}details{margin:20px 0}details p{font-size:13px}pre{white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--line);background:var(--bg);padding:18px;font:12px/1.85 ui-monospace,monospace;color:var(--ink)}code{font-size:11px;overflow-wrap:anywhere}#records details 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small{color:var(--muted)}@media(max-width:850px){header,main{padding-left:22px;padding-right:22px}header{min-height:90px}.brand span{display:none}nav{gap:15px}.hero{grid-template-columns:1fr;gap:30px;padding:50px 0}.experiment{max-width:550px}h1{font-size:58px}.stats{grid-template-columns:1fr 1fr}.stats article{border-bottom:1px solid var(--line)}.section-head{align-items:start;flex-direction:column}.steps,.install-grid{grid-template-columns:1fr}.filters{grid-template-columns:1fr}.viewer{padding:17px}#bars{grid-template-columns:1fr 1fr}.pill{white-space:normal}.record-head{flex-direction:column;gap:5px}footer{gap:20px}}

/* TASK-014 / REQ-002/023/025: judge setup/help, preserving existing install anchors. */
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