:root {
  color-scheme: light dark;
  --ink: #16202a;
  --muted: #55606c;
  --line: #d8dee5;
  --paper: #ffffff;
  --sunk: #f3f5f8;
  --accent: #1c6b47;
  --mark: #fff1a8;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6ebf0;
    --muted: #a3adb8;
    --line: #2c3743;
    --paper: #11181f;
    --sunk: #18212a;
    --accent: #6fcf9d;
    --mark: #5c4d00;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 16px;
  top: 8px;
  padding: 8px 12px;
  background: var(--paper);
}

.top,
.bottom {
  padding: 16px max(16px, calc(50% - 360px));
}

.top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

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

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

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

h1 {
  margin: 8px 0 16px;
  font-size: 2rem;
  line-height: 1.2;
}

h2 {
  margin-top: 40px;
  font-size: 1.3rem;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.table {
  margin: 16px 0;
  overflow-x: auto;
}

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

th,
td {
  padding: 8px 10px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--sunk);
}

code {
  padding: 0 4px;
  border-radius: 4px;
  background: var(--sunk);
  font-size: 0.9em;
}

mark.placeholder {
  padding: 0 2px;
  background: var(--mark);
  color: inherit;
}

.preview {
  max-width: 688px;
  margin: 16px auto 0;
  padding: 10px 16px;
  border-radius: 6px;
  background: var(--mark);
}

.bottom {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}