:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #222;
  --fg-mute: #666;
  --bd: #e2e2e2;
  --link: #2c5aa0;
  --code-bg: #f0f0f0;
  --max-w: 720px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #d6d6d6;
    --fg-mute: #8a8a8a;
    --bd: #2a2d31;
    --link: #6aa1d9;
    --code-bg: #1f2226;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 20px 80px;
}

header.site {
  border-bottom: 1px solid var(--bd);
  margin-bottom: 32px;
  padding-bottom: 16px;
}
header.site h1 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 600;
}
header.site p {
  margin: 0;
  color: var(--fg-mute);
  font-size: 14px;
}
header.site a { color: inherit; text-decoration: none; }

a { color: var(--link); }
a:hover { text-decoration: underline; }

ul.posts {
  list-style: none;
  padding: 0;
  margin: 0;
}
ul.posts li {
  padding: 14px 0;
  border-bottom: 1px solid var(--bd);
}
ul.posts li:last-child { border-bottom: none; }
ul.posts time {
  display: block;
  font-size: 12px;
  color: var(--fg-mute);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}
ul.posts h2 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 500;
}
ul.posts h2 a { color: var(--fg); text-decoration: none; }
ul.posts h2 a:hover { color: var(--link); }
ul.posts p {
  margin: 4px 0 0;
  color: var(--fg-mute);
  font-size: 14px;
}

article h1 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.25;
}
article > time {
  display: block;
  color: var(--fg-mute);
  font-size: 13px;
  margin-bottom: 28px;
  font-variant-numeric: tabular-nums;
}
article h2 {
  margin: 28px 0 10px;
  font-size: 19px;
  font-weight: 600;
}
article p { margin: 0 0 14px; }
article code {
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 3px;
  font: 13px/1 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
article pre {
  background: var(--code-bg);
  padding: 12px 14px;
  border-radius: 4px;
  overflow-x: auto;
  font: 13px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
article pre code { background: none; padding: 0; }
article ul, article ol { padding-left: 22px; }
article li { margin: 4px 0; }
article blockquote {
  margin: 14px 0;
  padding: 4px 0 4px 14px;
  border-left: 3px solid var(--bd);
  color: var(--fg-mute);
}

footer.site {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--bd);
  color: var(--fg-mute);
  font-size: 12px;
}
footer.site a { color: var(--fg-mute); }

p.lede {
  font-size: 17px;
  color: var(--fg-mute);
  margin: 0 0 24px;
}

nav.back {
  margin-bottom: 24px;
  font-size: 14px;
}