:root{--bg:#f4f6f9;--card:#fff;--ink:#0d1420;--muted:#5b6b82;--accent:#1862e2;--line:rgba(13,20,32,.1)}
@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#121b2b;--ink:#eef2f8;--muted:#9bb0c9;--line:rgba(255,255,255,.12)}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
main{max-width:760px;margin:0 auto;padding:20px 16px 48px}
header{display:flex;align-items:center;gap:12px;margin-bottom:22px}
header img{width:40px;height:40px;border-radius:11px}
header b{display:block;font-size:16px}header span{font-size:13px;color:var(--muted)}
h1{font-size:26px;line-height:1.25;margin:0 0 6px;text-wrap:balance}
h2{font-size:18px;margin:28px 0 8px}
.meta{color:var(--muted);font-size:14px;margin:0 0 10px}
p,li{color:var(--ink)}ul{padding-left:20px}li{margin:4px 0}
a{color:var(--accent)}
.links{margin-top:32px;padding-top:16px;border-top:1px solid var(--line)}
.todo{background:rgba(217,65,90,.12);color:#c2334b;border-radius:6px;padding:0 5px;font-weight:600}