:root{--bg:#f6f7f9;--card:#fff;--text:#1d232b;--muted:#5d6877;--line:#dde1e7;--accent:#1f5fbf;--ok:#1c7c3b;--warn:#a15c00;--bad:#b3261e;--chip:#eef1f6}
@media (prefers-color-scheme:dark){:root{--bg:#14171c;--card:#1c2027;--text:#e6e9ee;--muted:#9aa5b4;--line:#2d333c;--accent:#6ea3ff;--ok:#58c27d;--warn:#e0a458;--bad:#ff8a80;--chip:#262c35}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.top{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2;flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:var(--text);font-size:18px}
.top nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.top nav a,.top nav button{font:inherit}
main{max-width:980px;margin:0 auto;padding:16px}
.foot{max-width:980px;margin:24px auto;padding:0 16px;color:var(--muted);font-size:13px}
h1{font-size:22px;margin:0 0 12px}h2{font-size:17px;margin:20px 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:10px 0}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.grow{flex:1 1 220px}
input,select,textarea,button{font:inherit;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
textarea{width:100%;min-height:70px}
button{cursor:pointer}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.danger{color:var(--bad);border-color:var(--bad)}button:disabled{opacity:.5;cursor:not-allowed}
.item{display:block;text-decoration:none;color:inherit}.item:hover .t{text-decoration:underline}
.item .t{font-weight:600}.muted{color:var(--muted)}.small{font-size:13px}
.chip{display:inline-block;padding:1px 8px;border-radius:999px;background:var(--chip);font-size:12px;margin-right:6px;white-space:nowrap}
.chip.ok{color:var(--ok)}.chip.warn{color:var(--warn)}.chip.bad{color:var(--bad)}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600}
.kv{display:grid;grid-template-columns:minmax(120px,200px) 1fr;gap:4px 12px}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}
.msg{padding:10px 12px;border-radius:8px;margin:10px 0}.msg.err{background:color-mix(in srgb,var(--bad) 14%,transparent);color:var(--bad)}.msg.ok{background:color-mix(in srgb,var(--ok) 14%,transparent);color:var(--ok)}
.empty{color:var(--muted);text-align:center;padding:28px 8px}
label{display:block;margin:8px 0 4px;color:var(--muted);font-size:13px}
.panel{border-top:1px dashed var(--line);margin-top:10px;padding-top:10px}
@media (max-width:560px){.kv{grid-template-columns:1fr}.kv dt{margin-top:6px}}
.reader{display:grid;grid-template-columns:minmax(200px,280px) 1fr minmax(200px,280px);gap:12px;align-items:start;margin-top:12px}
.toc{max-height:75vh;overflow:auto;position:sticky;top:64px}.toc .toc-item{display:block;width:100%;text-align:left;border:0;background:none;padding:4px 6px;border-radius:6px;color:var(--text);font-size:14px;cursor:pointer}
.toc .toc-item:hover,.toc .toc-item.on{background:var(--chip)}.toc .toc-item.lvl-2{padding-left:20px}.hit{width:100%;text-align:left}.pre{white-space:pre-wrap;word-break:break-word}
.reader-text h2{margin-top:0}
@media (max-width:900px){.reader{grid-template-columns:1fr}.toc{position:static;max-height:40vh}}

.source-footer { margin-top: 2rem; padding-top: .75rem; border-top: 1px solid var(--line, #ddd); }
.source-footer ul { margin: .25rem 0 0 1rem; padding: 0; }