:root { --bg:#f7f8fa; --panel:#fff; --fg:#111827; --muted:#5b6474; --line:#e3e6eb; --accent:#2457c5; --mark:rgba(250,204,21,.35); }
@media (prefers-color-scheme: dark) { :root { --bg:#0f1115; --panel:#171a21; --fg:#e5e7eb; --muted:#9aa2b2; --line:#2a2f3a; --accent:#7aa2ff; --mark:rgba(250,204,21,.22); color-scheme: dark; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; }
main { max-width:44rem; margin:0 auto; padding:2.5rem 16px 4rem; }
header { display:flex; align-items:center; gap:12px; margin-bottom:.5rem; }
header img { width:48px; height:48px; }
header a { color:inherit; text-decoration:none; font-weight:600; }
nav { margin-left:auto; display:flex; gap:16px; font-size:.95rem; }
nav a { color:var(--accent); text-decoration:none; }
h1 { font-size:clamp(1.8rem,5vw,2.3rem); line-height:1.2; margin:1.2rem 0 .4rem; }
h2 { font-size:1.2rem; margin:2rem 0 .4rem; padding-top:1rem; border-top:1px solid var(--line); }
p, li { max-width:65ch; }
ul { padding-left:1.2rem; }
.muted { color:var(--muted); }
.card { background:var(--panel); border:1px solid var(--line); border-radius:10px; padding:16px 18px; margin:1rem 0; }
.email { font-weight:600; color:var(--accent); user-select:all; overflow-wrap:anywhere; }
mark { background:var(--mark); color:inherit; padding:0 .15em; border-radius:3px; }
code { font-size:.9em; background:var(--line); padding:.05rem .3rem; border-radius:4px; overflow-wrap:anywhere; }
.tbl { overflow-x:auto; }
table { border-collapse:collapse; width:100%; min-width:32rem; font-size:.93rem; }
th, td { border-bottom:1px solid var(--line); padding:.55rem .5rem; text-align:left; vertical-align:top; }
th { color:var(--muted); font-size:.8rem; text-transform:uppercase; letter-spacing:.04em; }
footer { margin-top:3rem; font-size:.85rem; color:var(--muted); }