:root {
  color-scheme: light dark;
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1c2128;
  --muted: #586270;
  --line: #d8dde4;
  --accent: #1d5d8c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181d;
    --surface: #1b2027;
    --text: #e6e9ee;
    --muted: #9aa5b3;
    --line: #2b323b;
    --accent: #7dbbea;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  font-size: 0.975rem;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.site-header nav a:hover {
  color: var(--text);
}

.site-header nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4.5vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h2 {
  margin: 2.5rem 0 0.5rem;
  font-size: 1.25rem;
  line-height: 1.3;
}

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

ul,
ol {
  padding-left: 1.4rem;
}

li {
  margin-bottom: 0.4rem;
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.92em;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  overflow-wrap: anywhere;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 0 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.975rem;
}

th,
td {
  padding: 0.65rem 0.8rem;
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--line);
}

th {
  font-weight: 600;
}

.site-footer {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.925rem;
}

.site-footer a {
  color: var(--muted);
}