:root{--bg:#fff;--fg:#222;--muted:#666;--link:#0b5cad;--line:#ddd}
@media (prefers-color-scheme:dark){:root{--bg:#16181c;--fg:#e6e6e6;--muted:#9aa0a6;--link:#7db7f0;--line:#33373d}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:18px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--link)}
.wrap{max-width:42rem;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line);padding:16px 0}
header .wrap{display:flex;align-items:center;gap:12px}
header img{height:48px;width:auto}
.brand{font-size:1.4rem;font-weight:600;text-decoration:none;color:var(--fg)}
nav.lang{margin-left:auto;font-size:.9rem}
nav.lang a[aria-current]{font-weight:700;color:var(--fg);text-decoration:none}
main{padding:24px 0}
h1{font-size:1.6rem;margin:0 0 .2em}
.meta{color:var(--muted);font-size:.85rem;margin:0 0 1.2em}
.tags{color:var(--muted);font-size:.85rem}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:16px 0}