:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --link: #0b5cad;
  --code-bg: #f4f4f5;
  --border: #d4d4d8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --fg: #ececee;
    --muted: #a1a1aa;
    --link: #7db7f5;
    --code-bg: #1c1c20;
    --border: #34343a;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  padding: 2.5rem 16px 3rem;
  background: var(--bg);
  color: var(--fg);
  font: 1rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main,
footer {
  max-width: 42rem;
  margin: 0 auto;
}

h1,
h2,
pre,
code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: 2.5rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2.25rem 0 0.5rem;
  font-size: 1.1rem;
}

.lede {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

.note,
footer {
  color: var(--muted);
}

ul {
  padding-left: 1.25rem;
}

li {
  margin: 0.35rem 0;
  overflow-wrap: anywhere;
}

pre {
  margin: 0.5rem 0;
  padding: 0.75rem 1rem;
  overflow-x: auto;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  line-height: 1.5;
}

code {
  font-size: 0.95em;
}

a {
  color: var(--link);
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

footer {
  margin-top: 3rem;
  font-size: 0.9rem;
}