:root {
  --bg: #fbfbf9;
  --text: #1a1a1a;
  --body: #3d3d3d;
  --muted: #767676;
  --rule: #e4e4e0;
  --code-bg: #f0f0ec;
  --link: #0b57d0;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111110;
    --text: #f2f2f0;
    --body: #c8c8c4;
    --muted: #8c8c88;
    --rule: #2a2a28;
    --code-bg: #1c1c1a;
    --link: #8ab4f8;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 42rem; margin: 0 auto; padding: 4rem 1.5rem 5rem; }
h1 { color: var(--text); font-size: 2rem; line-height: 1.2; margin: 0 0 0.5rem; }
h2 { color: var(--text); font-size: 1.15rem; margin: 2.25rem 0 0.5rem; }
p { margin: 0 0 1rem; }
a { color: var(--link); }
.lede { font-size: 1.1rem; margin-top: 1rem; }
.meta { color: var(--muted); font-size: 0.9rem; }
.back { font-size: 0.9rem; margin-bottom: 2.5rem; }
.back a { color: var(--muted); text-decoration: none; }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--code-bg); padding: 0.1em 0.35em; border-radius: 4px; }
pre { background: var(--code-bg); border: 1px solid var(--rule); border-radius: 8px; padding: 1rem 1.25rem; overflow-x: auto; margin: 1.5rem 0; }
pre code { background: none; padding: 0; }
.links { padding-left: 1.2rem; margin: 1.5rem 0 2rem; }
.links li { margin: 0.35rem 0; }