:root{--bg:#fafaf8;--fg:#1d1d1b;--muted:#5f5f5a;--link:#1f5fa8;--line:#e3e2dd}
@media (prefers-color-scheme:dark){:root{--bg:#161615;--fg:#ecebe6;--muted:#a3a29b;--link:#7fb0ea;--line:#2e2e2b}}
*{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:680px;margin:0 auto;padding:48px 16px 64px}
header{font-weight:600;letter-spacing:.02em;margin-bottom:40px}
header a{color:var(--fg);text-decoration:none}
h1{font-size:1.9rem;line-height:1.2;margin:0 0 6px}
.date{color:var(--muted);font-size:.9rem;margin:0 0 32px}
h2{font-size:1.05rem;margin:28px 0 6px}
p{margin:0 0 14px}
a{color:var(--link)}
footer{margin-top:56px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
footer a{margin-right:16px}