:root{--bg:#f4f1ea;--card:#fffdf8;--ink:#2b2622;--muted:#6b625a;--line:#e3dccf;--accent:#3f8f3a;--accent-ink:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#1b1a17;--card:#24221e;--ink:#ece6dc;--muted:#a59c90;--line:#38342d;--accent:#5fb257;--accent-ink:#10200f}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 16px 64px}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:24px}
header a.brand{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}
nav a{color:var(--muted);text-decoration:none;margin-left:16px}
nav a:hover,nav a[aria-current]{color:var(--ink)}
h1{font-size:30px;line-height:1.2;margin:0 0 8px}
h2{font-size:21px;margin:32px 0 8px}
h3{font-size:17px;margin:20px 0 4px}
p,li{color:var(--ink)}
.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin:16px 0}
.lang{font-size:14px;color:var(--muted)}
.lang a{color:inherit}
a{color:var(--accent)}
.button{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:700;padding:10px 18px;border-radius:10px;text-decoration:none}
code{background:var(--line);padding:1px 6px;border-radius:6px;font-size:14px}
footer{margin-top:48px;font-size:14px;color:var(--muted)}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}