:root {
  --fg: #1a1a1a;
  --bg: #fdfdfc;
  --muted: #6b6b6b;
  --rule: #e4e4e8;
  --accent: #4a5b9e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #d8d6d2;
    --bg: #14141a;
    --muted: #8a8a92;
    --rule: #26262e;
    --accent: #8fa0d9;
  }
}

html {
  font-family: system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg);
  background: var(--bg);
}

body {
  max-width: 38rem;
  margin: 0 auto;
  padding: 2rem 1.5rem 2rem;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

h1, h2, h3 {
  line-height: 1.25;
  font-weight: 600;
}

h1 {
  margin: 0 0 1.25rem;
  padding-left: 0.85rem;
  border-left: 3px solid var(--accent);
}

h2 { margin: 2.5rem 0 0.75rem; }
h1 + h2 { margin-top: 1rem; }
p + h2, ul + h2, table + h2 { margin-top: 1.25rem; }
h3 { margin: 2rem 0 0.5rem; }

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

ul { padding-left: 1.25rem; }
li { margin-bottom: 0.35rem; }

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

a:hover { color: var(--fg); }

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.25rem;
  padding-bottom: 1rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule);
}

nav .logo { margin-right: auto; }
nav .logo img { display: block; }

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

nav a:hover { color: var(--fg); }

@media (max-width: 580px) {
  nav .logo { width: 100%; margin: 0 0 0.5rem; }
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 0.5rem 1rem 0.5rem 0;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
}

tr:last-child th, tr:last-child td { border-bottom: 0; }

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

code {
  font-family: ui-monospace, monospace;
  font-size: 0.92em;
}

footer {
  margin-top: auto;
  padding-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}