:root {
  --bg: #fff;
  --fg: #000;
  --muted: #666;
  --code-bg: #f2f2f2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000;
    --fg: #fff;
    --muted: #999;
    --code-bg: #1a1a1a;
  }
}

* { box-sizing: border-box; }

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

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.25rem 3rem;
}

.title {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1rem;
  margin: 0 0 0.5rem;
}

.tag {
  color: var(--muted);
  margin: 0 0 3rem;
}

section { margin-bottom: 3rem; }

h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

p { margin: 0 0 0.5rem; }

.note {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0 0 1.25rem;
}

pre {
  background: var(--code-bg);
  padding: 0.75rem 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 0 0 1.25rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875rem;
  line-height: 1.55;
}

a,
a:visited,
a:hover,
a:active {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

footer {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 3rem;
}