:root{color-scheme:light;--bg:#f4f5f4;--panel:#fff;--ink:#182b2e;--muted:#51666b;--line:#ced7d7;--accent:#a53b14;--grid:#e3e8e7;--fail:#ae312f;--pass:#176c54}
:root[data-theme=dark]{color-scheme:dark;--bg:#122024;--panel:#18292e;--ink:#e2eae8;--muted:#afc2c6;--line:#385057;--accent:#ff9f73;--grid:#263b42;--fail:#ff9593;--pass:#8edaba}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,sans-serif}header,main,footer{max-width:1320px;margin:auto;padding:22px 32px}header{display:flex;gap:24px;align-items:center;border-bottom:1px solid var(--line)}header span{margin-left:auto;font:12px ui-monospace,monospace;color:var(--muted)}a{color:var(--accent)}button,input{font:inherit}button{border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:9px 13px;cursor:pointer;border-radius:3px;font-size:14px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.heading{display:flex;justify-content:space-between;align-items:center;gap:32px;padding:20px 0 28px}.heading p{max-width:760px;margin:10px 0 0;color:var(--muted)}h1{font-size:clamp(27px,3vw,42px);line-height:1.15;margin:10px 0}h2{font-size:22px;line-height:1.3;margin:8px 0 16px}.eyebrow{font:12px ui-monospace,monospace;letter-spacing:.08em;color:var(--muted)}.badge{flex-shrink:0;border-left:2px solid var(--accent);padding-left:15px;font:12px/1.7 ui-monospace,monospace;color:var(--accent)}.workspace{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);gap:22px}.drawing,.panel,.results,.method{border:1px solid var(--line);background:var(--panel)}.drawing{align-self:start}.drawing-head,.legend{display:flex;justify-content:space-between;padding:12px 18px;font:12px ui-monospace,monospace;color:var(--muted)}canvas{display:block;width:100%;height:auto;aspect-ratio:780/590}.legend{gap:10px;flex-wrap:wrap;border-top:1px solid var(--line)}.panel{padding:22px}.panel label{display:flex;justify-content:space-between;gap:12px}input[type=range]{width:100%;accent-color:var(--accent);min-height:32px}.panel .check{justify-content:start;align-items:center;margin:15px 0}.check input{width:18px;height:18px;accent-color:var(--accent)}.buttons{display:flex;flex-wrap:wrap;gap:8px}hr{border:0;border-top:1px solid var(--line);margin:24px 0}dl{margin:20px 0}dl div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:8px 0;font-size:14px}dd{margin:0;font:15px ui-monospace,monospace}.small{font-size:13px;color:var(--muted)}.playback{padding:14px 18px;display:grid;gap:8px}.playback label,.playback output{font:13px ui-monospace,monospace}.playback button{justify-self:start}.results{margin-top:22px;padding:22px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:25px}.section-heading p:not(.eyebrow){max-width:420px;color:var(--muted);font-size:14px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:12px 10px}th{font-weight:500;color:var(--muted)}.pass{color:var(--pass)}.fail{color:var(--fail)}.comparison{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px}.comparison button{font:13px/1.7 ui-monospace,monospace}.method{margin-top:22px;padding:20px 24px}.method summary{cursor:pointer;font-weight:600}.method p{max-width:100ch;color:var(--muted)}footer{font-size:13px;color:var(--muted);padding-bottom:40px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(max-width:850px){.workspace{grid-template-columns:1fr}.heading{align-items:start}.badge{display:none}header span{display:none}header button{margin-left:auto}.section-heading{display:block}.comparison{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:480px){header,main,footer{padding:16px}.panel,.results{padding:16px}.heading{padding-top:8px}.legend{font-size:12px}th,td{padding:9px 6px}.comparison{grid-template-columns:repeat(2,minmax(0,1fr))}}