:root{--ink: #1f2328;--muted: #656d76;--line: #d8dee4;--bg: #ffffff;--accent: #0969da;--warn: #9a6700;--error: #b35900;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:1.5rem;margin:0 0 .25rem}h2{font-size:1.1rem;margin:1.5rem 0 .5rem}h3{font-size:.9rem;color:var(--muted);margin:.75rem 0 .25rem;font-weight:600}.shell{max-width:1100px;margin:0 auto;padding:0 1rem 3rem}.top{display:flex;align-items:center;gap:1.5rem;padding:.75rem 0;border-bottom:1px solid var(--line);margin-bottom:1.5rem}.top nav{display:flex;gap:1rem}.top nav a.active{font-weight:600;color:var(--ink)}.brand{font-size:1rem}.who{margin-left:auto;color:var(--muted);display:flex;gap:.75rem;align-items:center}button{font:inherit;padding:.35rem .8rem;border:1px solid var(--line);border-radius:6px;background:#f6f8fa;cursor:pointer}button:disabled{opacity:.5;cursor:default}input{font:inherit;padding:.4rem .6rem;border:1px solid var(--line);border-radius:6px;width:100%}.hint{color:var(--muted)}.failure{color:var(--error)}.login{max-width:320px;margin:4rem auto;display:flex;flex-direction:column;gap:.75rem}.login label{display:flex;flex-direction:column;gap:.25rem;color:var(--muted)}.columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.cards{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.card{border:1px solid var(--line);border-radius:8px;padding:.6rem .75rem;display:flex;flex-wrap:wrap;gap:.5rem;align-items:baseline}.card.error{border-left:3px solid var(--error)}.card.warning{border-left:3px solid var(--warn)}.title{flex:1 1 auto}.type,.status,.meta{color:var(--muted);font-size:.85rem}.tag{font-size:.75rem;padding:.1rem .4rem;border-radius:999px;background:#eaeef2;color:var(--muted);white-space:nowrap}.tag.warning{background:#fff8c5;color:var(--warn)}.search form{display:flex;gap:.5rem;margin-bottom:1rem}.search form input{flex:1 1 auto}.snippet{flex:1 1 100%;color:var(--muted);font-size:.9rem}mark{background:#fff8c5}.gaps{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.35rem}.gap{display:flex;gap:.5rem;align-items:baseline}.gap.error .tag{background:#ffebe9;color:var(--error)}.gap.warning .tag{background:#fff8c5;color:var(--warn)}.chain .level ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.35rem}.node{display:flex;gap:.5rem;align-items:baseline;padding:.3rem 0}.node.root{font-weight:600}.entity header{margin-bottom:1rem}.entity .meta{display:flex;gap:.5rem;align-items:center}.live{font-size:.75rem;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:.1rem .5rem}.live.on{color:#1a7f37;border-color:#1a7f37}