:root {
  color-scheme: light;
  --ink: #111111;
  --muted: #555555;
  --line: #cccccc;
  --panel: #f4f4f4;
}

* {
  box-sizing: border-box;
}

body {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem 3rem;
  background: #ffffff;
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.55;
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  padding: 1rem 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

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

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

h1 {
  margin: 1.25rem 0 0.75rem;
  font-size: 1.6rem;
  line-height: 1.2;
}

h2 {
  margin: 2rem 0 0.6rem;
  font-size: 1.25rem;
}

h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.05rem;
}

h4 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
}

p,
ul,
ol {
  margin: 0 0 0.9rem;
}

li {
  margin: 0.2rem 0;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875em;
}

pre {
  padding: 0.75rem;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow-x: auto;
  line-height: 1.45;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 0.9rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th,
td {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--panel);
  font-weight: 600;
}

.muted {
  color: var(--muted);
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}