:root {
  --bg: #ffffff;
  --fg: #1b1f24;
  --muted: #57606a;
  --rule: #d0d7de;
  --accent: #0b4f8a;
  --code-bg: #f3f5f7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --fg: #e6e8eb;
    --muted: #9aa4af;
    --rule: #30363d;
    --accent: #6cb6ff;
    --code-bg: #1a2129;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main, header, footer { max-width: 46rem; margin: 0 auto; padding: 0 16px; }
header { padding-top: 1.5rem; }
header a.home { color: var(--fg); font-weight: 600; text-decoration: none; }
nav { margin-top: .25rem; font-size: .95rem; }
nav a { margin-right: 1rem; }
h1 { font-size: 1.75rem; line-height: 1.25; margin: 1.5rem 0 .5rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 .5rem; padding-top: .5rem; border-top: 1px solid var(--rule); }
h3 { font-size: 1.05rem; margin: 1.25rem 0 .25rem; }
a { color: var(--accent); }
p.lede { font-size: 1.1rem; color: var(--muted); }
.meta { color: var(--muted); font-size: .9rem; }
table { border-collapse: collapse; width: 100%; margin: .75rem 0; font-size: .95rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: .4rem .6rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-weight: 600; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9em; background: var(--code-bg); }
code { padding: .1em .3em; border-radius: 3px; overflow-wrap: anywhere; }
pre { padding: .75rem; border-radius: 4px; overflow-x: auto; line-height: 1.45; }
pre code { padding: 0; background: none; }
blockquote { margin: .75rem 0; padding: .25rem 1rem; border-left: 3px solid var(--rule); color: var(--muted); }
footer { margin-top: 3rem; padding-bottom: 2rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .85rem; }
footer p { margin: .75rem 0 0; }