:root {
  --brand: #ffb800;
  --text: #1c1c1e;
  --secondary: #6e6e73;
  --background: #f2f2f7;
  --card: #ffffff;
  --border: #e5e5ea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f2f2f7;
    --secondary: #a1a1a6;
    --background: #000000;
    --card: #1c1c1e;
    --border: #38383a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-weight: 700;
  text-decoration: none;
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--brand);
  font-size: 20px;
}

nav.languages a {
  margin-left: 12px;
  color: var(--secondary);
  font-size: 15px;
  text-decoration: none;
}

nav.languages a.active {
  color: var(--text);
  font-weight: 600;
}

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

h2 {
  margin: 32px 0 8px;
  font-size: 21px;
}

h3 {
  margin: 20px 0 4px;
  font-size: 17px;
}

p,
li {
  margin: 0 0 10px;
}

ul {
  padding-left: 22px;
}

a {
  color: #0a66d8;
}

@media (prefers-color-scheme: dark) {
  a {
    color: #4ea3ff;
  }
}

.updated {
  color: var(--secondary);
  font-size: 15px;
}

.card {
  margin: 20px 0;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
}

.card ul {
  margin: 0;
}

footer {
  margin-top: 48px;
  color: var(--secondary);
  font-size: 14px;
}

/* Only the reader's language is shown once the script has run. */
.js section[lang] {
  display: none;
}

.js section[lang].visible {
  display: block;
}