:root{
  --bg:#EEF1F5; --surface:#FFFFFF; --ink:#1B2230; --muted:#5F6878; --line:#D6DCE4;
  --green:#0F7B5F;
  --display:"Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --body:"Figtree", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#12161D; --surface:#1B212B; --ink:#E7EBF0; --muted:#9AA3B2; --line:#2C3441;
    --green:#3CC49A; color-scheme: dark;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:680px;margin:0 auto;padding:0 18px 80px}
header{display:flex;align-items:center;justify-content:space-between;padding:18px 0 10px;gap:12px}
.wordmark{font-family:var(--display);font-weight:800;font-size:1.35rem;letter-spacing:-.03em;margin:0;text-decoration:none;color:inherit;display:flex;align-items:center;gap:8px}
.wordmark s{text-decoration-thickness:3px;text-decoration-color:var(--green)}
.back{color:var(--muted);text-decoration:none;font-size:.9rem}
.back:hover{color:var(--ink)}
h1{font-family:var(--display);font-weight:800;font-size:clamp(1.9rem,6vw,2.6rem);letter-spacing:-.03em;line-height:1.05;margin:24px 0 6px}
h2{font-family:var(--display);font-weight:700;font-size:1.25rem;letter-spacing:-.02em;margin:28px 0 8px}
.updated{color:var(--muted);font-size:.88rem;margin:0 0 8px}
.card{background:var(--surface);border-radius:16px;padding:18px 20px;margin:18px 0}
.lede{font-size:1.05rem}
ul{padding-left:20px;margin:8px 0}
li{margin:5px 0}
a{color:var(--green)}
.note{color:var(--muted);font-size:.9rem}
code{background:var(--bg);border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:.9em}
footer{margin-top:36px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem;display:flex;gap:14px;flex-wrap:wrap}
footer a{color:var(--muted)}