:root{color-scheme:dark;--bg:#0b111b;--surface:#131e2e;--raised:#1c2b40;--text:#e8f0fa;--muted:#b2c3da;--line:#39506d;--accent:#b4ddff;--ink:#10263a;--focus:#f1ca76;font-family:system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.6}*{box-sizing:border-box}body{margin:0}main{max-width:1120px;margin:40px auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:24px}.eyebrow{font-size:.75rem;letter-spacing:.16em;color:var(--accent);margin:0}h1{font-size:clamp(1.6rem,4vw,2.5rem);line-height:1.2;margin:12px 0}h2{font-size:1.2rem;margin:0 0 16px}a{color:var(--accent)}p,.muted{color:var(--muted)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;margin:24px 0}.selectors,.pair{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.pair{grid-template-columns:repeat(2,minmax(0,1fr))}.pair article{border:1px solid var(--line);border-radius:12px;padding:16px;overflow-wrap:anywhere}.pair article h3{margin:0 0 8px}label{display:block;color:var(--muted)}label span{display:block;margin-bottom:8px}input,select,button{font:inherit;min-height:48px;border-radius:8px;padding:10px 16px;touch-action:manipulation}input,select{width:100%;min-width:0;background:var(--raised);color:var(--text);border:1px solid var(--line)}button{border:1px solid transparent;background:var(--accent);color:var(--ink);cursor:pointer}button:hover{filter:brightness(1.1)}button:active{opacity:.8}button:disabled{opacity:.5;cursor:wait}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:3px}nav,.toolbar,#detail-nav{display:flex;flex-wrap:wrap;gap:12px}nav a{display:inline-flex;align-items:center;min-height:48px}.toolbar{margin:24px 0}form{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}form label{width:100%}form input{flex:1 1 220px}.block{display:block;padding:16px;margin:12px 0;border:1px solid var(--line);background:var(--surface);border-radius:10px;overflow-wrap:anywhere;min-height:48px}.block:hover{background:var(--raised)}pre{white-space:pre-wrap;overflow-wrap:anywhere;word-wrap:break-word;background:var(--raised);padding:20px;border-radius:10px;font-size:.875rem}pre:empty{display:none}#summary{min-height:80px}#activity{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}#activity .block{margin:0;font-size:.875rem}progress{display:block;width:100%;height:10px;margin-top:12px;accent-color:var(--accent)}#detail-nav .block{flex:1;min-width:130px}.strand{font-family:ui-monospace,monospace;overflow-wrap:anywhere}.strand strong{color:var(--accent)}button[hidden],.block[hidden]{display:none}#status,#source-status{overflow-wrap:anywhere}.skip{position:absolute;left:16px;top:-80px;padding:12px;background:var(--accent);color:var(--ink)}.skip:focus{top:12px}section{margin-bottom:32px}@media(max-width:640px){main{margin:12px auto;padding:16px}header{align-items:flex-start}.panel{padding:16px}.selectors,.pair{grid-template-columns:1fr}.toolbar button{flex:1 1 140px}form input{flex-basis:100%}pre{padding:12px}}@media(prefers-color-scheme:light){:root{color-scheme:light;--bg:#f6f8fc;--surface:#fff;--raised:#eaf0f7;--text:#152b43;--muted:#435c78;--line:#b0bfd1;--accent:#164c79;--ink:#fff;--focus:#8b4600}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

.permissions{display:flex;flex-wrap:wrap;gap:16px}.permissions label{display:flex;align-items:center;min-height:48px;gap:8px}.permissions input{width:20px;min-height:20px}.permissions span{margin:0}.filters{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.filter-btn{min-height:36px;padding:6px 14px;border-radius:20px;background:var(--raised);border:1px solid var(--line);color:var(--text);font-size:.875rem}.filter-btn.active{background:var(--accent);color:var(--ink);font-weight:600}.graph-edge{stroke:var(--line);stroke-width:2}.graph-node{fill:var(--raised);stroke:var(--accent);stroke-width:2}.graph-label{fill:var(--text);font:13px system-ui}.graph-item{cursor:pointer}.graph-item:focus{outline:none}.graph-item:focus .graph-node{stroke:var(--focus);stroke-width:4}#graph{display:block;width:100%;height:auto;min-height:240px;max-height:520px}#nodes{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}#nodes button{background:var(--surface);border:1px solid var(--line);color:var(--text);text-align:left;overflow-wrap:anywhere}.node-meta{display:block;color:var(--muted);font-size:.8rem}#sources .block{display:flex;justify-content:space-between;gap:16px}