:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #555555;
  --link: #0b4f9c;
  --border: #d8d8d8;
  --accent-bg: #f4f6f8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --fg: #e8e8e8;
    --muted: #a8adb2;
    --link: #7fb2ff;
    --border: #33373b;
    --accent-bg: #1d2124;
  }
}
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  margin: 0;
  padding: 0;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent-bg);
  color: var(--fg);
  padding: 0.5rem 1rem;
}
.skip-link:focus { left: 0; z-index: 10; }
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
}
.site-name a { font-weight: 700; text-decoration: none; color: var(--fg); }
main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}
h1, h2, h3, h4 { line-height: 1.25; }
h1 { font-size: 1.7rem; margin-top: 0.5rem; }
h2 { font-size: 1.3rem; margin-top: 2.2rem; border-top: 1px solid var(--border); padding-top: 1.2rem; }
h3 { font-size: 1.05rem; margin-top: 1.4rem; }
h4 { font-size: 0.98rem; margin-top: 1.2rem; color: var(--muted); }
a { color: var(--link); }
p { margin: 0.8rem 0; }
p.lead { margin-top: 1rem; }
p.clause-a { margin-left: 1.5rem; }
p.clause-i { margin-left: 3rem; }
p.clause-A { margin-left: 4.5rem; }
p.def { margin-left: 1.5rem; font-style: italic; }
p.note { margin-left: 1.5rem; color: var(--muted); font-size: 0.92rem; font-style: italic; }
p.ref { color: var(--muted); font-size: 0.85rem; margin: 0.2rem 0 0.8rem; }
p.amdt-act { font-weight: 600; margin-top: 1rem; }
p.amdt-head { font-weight: 600; margin-top: 0.8rem; }
p.amdt-detail, p.amdt-entry { color: var(--muted); font-size: 0.88rem; margin: 0.15rem 0 0.15rem 1.5rem; }
p.source-note, p.doc-meta { color: var(--muted); font-size: 0.92rem; }
.doc-switch {
  max-width: 46rem;
  margin: 0.75rem auto 0;
  padding: 0 1.25rem;
}
.doc-switch ul { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; list-style: none; padding: 0; margin: 0; font-size: 0.9rem; }
.toc {
  background: var(--accent-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
}
.toc-heading { margin: 0 0 0.5rem; border: none; padding: 0; font-size: 1rem; }
.toc ul { margin: 0; padding-left: 1.1rem; }
.toc li { margin: 0.15rem 0; }
.doc-list { list-style: none; padding: 0; }
.doc-list li { padding: 0.6rem 0; border-bottom: 1px solid var(--border); }
.citation { color: var(--muted); font-size: 0.9rem; }
.site-footer { max-width: 46rem; margin: 0 auto; padding: 1rem 1.25rem 3rem; }