:root {
  --bg: #fffaf0;
  --text: #2b2440;
  --muted: #6a6380;
  --accent: #3b3a9e;
  --rule: #e8e0cf;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17183a;
    --text: #f3efe6;
    --muted: #b7b3cc;
    --accent: #f5c445;
    --rule: #2f3166;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 16px 64px;
}

header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}

header a {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.moon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  box-shadow: -6px 0 0 0 #f5c445 inset;
  transform: rotate(-20deg);
}

h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 4px;
}

h2 {
  font-size: 21px;
  margin: 36px 0 8px;
}

.updated {
  color: var(--muted);
  margin: 0 0 24px;
}

a {
  color: var(--accent);
}

ul {
  padding-left: 22px;
}

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 15px;
}

footer a {
  margin-right: 16px;
}