:root{color-scheme:light dark;--fg:#1d2433;--muted:#5b6475;--bg:#fbfaf7;--line:#e2e0da;--accent:#2f4bd8;--mark:#fff1a8}
@media (prefers-color-scheme:dark){:root{--fg:#e8eaf0;--muted:#a6adbd;--bg:#14171f;--line:#2b303c;--accent:#8ea2ff;--mark:#5c4d00}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{display:flex;flex-wrap:wrap;gap:.75rem 1.25rem;align-items:center;padding:1rem clamp(1rem,4vw,3rem);border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:1.15rem;color:var(--fg);text-decoration:none;margin-right:auto}
nav{display:flex;flex-wrap:wrap;gap:.25rem 1rem}nav a,.lang{color:var(--muted);text-decoration:none;font-size:.95rem}
nav a[aria-current=page]{color:var(--fg);font-weight:600}nav a:hover,.lang:hover{color:var(--accent)}
main{max-width:46rem;margin:0 auto;padding:2rem clamp(1rem,4vw,2rem) 4rem}
h1{font-size:2rem;line-height:1.2;margin:.5rem 0 1rem}h2{font-size:1.3rem;margin:2.2rem 0 .6rem}h3{font-size:1.05rem;margin:1.6rem 0 .4rem}
a{color:var(--accent)}ul,ol{padding-left:1.4rem}li{margin:.25rem 0}
.table{overflow-x:auto;margin:1rem 0}table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;vertical-align:top;padding:.5rem .6rem;border-bottom:1px solid var(--line)}th{font-weight:600}
mark.todo{background:var(--mark);color:inherit;padding:0 .2em;border-radius:3px}
.draft{border:1px solid var(--line);border-left:4px solid #c98a00;padding:.6rem .9rem;border-radius:6px;color:var(--muted)}
.version{margin-top:3rem;color:var(--muted);font-size:.9rem}
@media print{header nav,.lang{display:none}body{background:#fff;color:#000}}