:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --line: #d8d8d8;
  --accent: #2b2b2b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131313;
    --fg: #ededed;
    --muted: #a3a3a3;
    --line: #333333;
    --accent: #ededed;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.25rem 5rem;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 46rem; margin: 0 auto; }

header {
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
  padding: 2rem 0 1.25rem;
}

header a.brand {
  font-size: 1.35rem;
  font-weight: 650;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}

nav { margin-top: 0.85rem; }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 1.15rem;
  font-size: 0.94rem;
}

nav a:hover, nav a:focus { color: var(--fg); text-decoration: underline; }

h1 { font-size: 1.85rem; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 0.6rem; }
h2 { font-size: 1.2rem; margin: 2.4rem 0 0.7rem; letter-spacing: -0.01em; }
h3 { font-size: 1.02rem; margin: 1.7rem 0 0.5rem; }

p, li { color: var(--fg); }

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

.lede { color: var(--muted); font-size: 1.05rem; margin-bottom: 2rem; }

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  border-left: 3px solid var(--line);
  padding-left: 0.9rem;
  margin: 1.5rem 0 2rem;
}

address {
  font-style: normal;
  background: rgba(128, 128, 128, 0.09);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  margin: 1rem 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2rem 0;
  font-size: 0.93rem;
  display: block;
  overflow-x: auto;
}

th, td {
  border: 1px solid var(--line);
  padding: 0.6rem 0.7rem;
  text-align: left;
  vertical-align: top;
}

th { background: rgba(128, 128, 128, 0.09); font-weight: 600; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: rgba(128, 128, 128, 0.13);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

ul { padding-left: 1.3rem; }
li { margin: 0.35rem 0; }

footer {
  border-top: 1px solid var(--line);
  margin-top: 4rem;
  padding-top: 1.25rem;
  color: var(--muted);
  font-size: 0.88rem;
}

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