:root{color-scheme:light dark;--fg:#1a1a1a;--bg:#fff;--muted:#666;--line:#ddd;--link:#0a58ca}
@media(prefers-color-scheme:dark){:root{--fg:#e6e6e6;--bg:#121212;--muted:#aaa;--line:#333;--link:#8ab4f8}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:780px;margin:0 auto;padding:32px 20px 64px}
nav{display:flex;justify-content:flex-end;gap:12px;font-size:14px;color:var(--muted)}
nav a{color:var(--link);text-decoration:none}nav a:hover{text-decoration:underline}
h1{font-size:2em;margin:.4em 0 .6em}h2{font-size:1.35em;margin-top:2em;border-bottom:1px solid var(--line);padding-bottom:.2em}h3{font-size:1.1em;margin-top:1.4em}
p,ul,table{margin:0 0 1em}ul{padding-left:1.4em}
a{color:var(--link)}
table{border-collapse:collapse;width:100%;font-size:15px}th,td{text-align:left;padding:8px 10px;border:1px solid var(--line);vertical-align:top}th{background:rgba(127,127,127,.1)}
em{color:var(--muted)}
footer{margin-top:48px;font-size:13px;color:var(--muted)}