:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #121520;
  --muted: #5b6275;
  --border: #e4e8f0;
  --link: #2f5eff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --card: #171b25;
    --text: #eef2ff;
    --muted: #a9b1c7;
    --border: #2a3142;
    --link: #8bb4ff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
.wrap { width: min(980px, 92vw); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--border); margin-bottom: 1.2rem; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.15rem; display:inline-block; margin-top: 1rem; }
.subtitle { margin: 0.25rem 0 1rem; color: var(--muted); font-size: .95rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(230px,1fr)); gap: .8rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: .85rem 1rem; }
a { color: var(--link); }
h1,h2,h3 { line-height: 1.25; }
.meta { color: var(--muted); font-size: .92rem; }
.list { display: grid; gap: .75rem; }
.breadcrumbs { font-size: .9rem; margin: .6rem 0 1rem; color: var(--muted); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
article.prose { background: var(--card); border:1px solid var(--border); border-radius: 12px; padding: 1rem 1.1rem; }
.prose img { max-width: 100%; }
.prose pre { overflow-x: auto; background: #0a0d14; color: #dbe3ff; padding: .8rem; border-radius: 8px; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
@media (max-width: 680px){ .wrap{width:94vw;} }