:root {
  --background: #FAFBFA;
  --surface: #FFFFFF;
  --surface-sunken: #EEF1EF;
  --border: #E4E9E6;
  --text: #1B2320;
  --text-muted: #6B7873;
  --accent: #2F7D63;
  --accent-strong: #215C4A;
  --accent-tint: #E4F0EA;
  --accent-tint-border: #B7D6C8;
  --todo-bg: #FBEAE7;
  --todo-border: #EEC4BD;
  --todo-text: #8F3227;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #131816;
    --surface: #1F2622;
    --surface-sunken: #202723;
    --border: #2B332E;
    --text: #E9EFEB;
    --text-muted: #93A09A;
    --accent: #3F9B7B;
    --accent-strong: #7FCAA9;
    --accent-tint: #1C3A2F;
    --accent-tint-border: #34664F;
    --todo-bg: #38201C;
    --todo-border: #63332B;
    --todo-text: #E0685A;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

.masthead {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.masthead__inner,
.page,
.colophon__inner {
  margin: 0 auto;
  padding: 0 1.5rem;
}

.masthead__inner,
.colophon__inner {
  max-width: 56rem;
}

.page {
  max-width: 44rem;
}

.masthead__inner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand picture,
.brand img {
  display: block;
  width: 34px;
  height: 34px;
}

.nav {
  margin-left: auto;
  display: flex;
  flex-wrap: nowrap;
  gap: 0.4rem 1.4rem;
  font-size: 0.9rem;
}

.nav a {
  white-space: nowrap;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current='page'] {
  color: var(--accent);
}

.page {
  padding-top: 2.5rem;
  padding-bottom: 4rem;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.3rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0.75rem;
}

h3 {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.5rem;
}

p, ul, ol { margin: 0 0 1rem; }

ul, ol { padding-left: 1.25rem; }

li { margin-bottom: 0.35rem; }

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

.lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.updated {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
}

.langs {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 2.5rem;
  padding: 0;
  list-style: none;
}

.langs a {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--accent-tint-border);
  background: var(--accent-tint);
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

.doc {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  margin-top: 3rem;
}

.doc:first-of-type {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.card {
  display: block;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 14px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.card strong { display: block; font-size: 1.05rem; }

.card span { color: var(--text-muted); font-size: 0.95rem; }

.callout {
  border: 1px solid var(--accent-tint-border);
  background: var(--accent-tint);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  margin: 0 0 1.5rem;
}

.callout p:last-child { margin-bottom: 0; }

.todo {
  display: inline-block;
  background: var(--todo-bg);
  border: 1px dashed var(--todo-border);
  color: var(--todo-text);
  border-radius: 6px;
  padding: 0 0.35rem;
  font-size: 0.9em;
  font-weight: 600;
}

.colophon {
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.colophon__inner {
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
}

.colophon a { color: var(--text-muted); }

.scroll {
  overflow-x: auto;
  margin: 0 0 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.scroll table {
  min-width: 30rem;
  margin-bottom: 0;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

th { color: var(--text-muted); font-weight: 600; }

@media (max-width: 56rem) {
  .masthead__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
  }

  .nav {
    margin-left: 0;
    flex-wrap: wrap;
  }
}

@media (max-width: 34rem) {
  body {
    font-size: 16px;
  }

  .masthead__inner,
  .page,
  .colophon__inner {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .page {
    padding-top: 2rem;
    padding-bottom: 3rem;
  }

  h1 {
    font-size: 1.65rem;
  }

  h2 {
    font-size: 1.2rem;
    margin-top: 2rem;
  }

  .lede {
    font-size: 1.05rem;
  }

  .doc {
    margin-top: 2.5rem;
  }

  .card,
  .callout {
    padding: 1rem;
  }

  .scroll {
    overflow-x: visible;
  }

  .scroll table,
  .scroll tr,
  .scroll td {
    display: block;
    min-width: 0;
  }

  .scroll tr:first-child {
    display: none;
  }

  .scroll tr {
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    padding: 0.85rem 1rem;
    margin-bottom: 0.7rem;
  }

  .scroll td {
    border: 0;
    padding: 0.1rem 0;
  }

  .scroll td:first-child {
    font-weight: 700;
    margin-bottom: 0.2rem;
  }

  .scroll td + td {
    color: var(--text-muted);
    font-size: 0.92rem;
  }
}