/* Guide pages (§8.19). Static HTML served straight from the CDN — no app, no
   JavaScript, nothing to load — so they stay fast and are trivially crawlable.
   Colours follow the app's own light/dark palette. */
:root {
  color-scheme: light dark;
  --bg: #eceff1;
  --surface: #ffffff;
  --text: #1b2228;
  --muted: #5c676f;
  --border: #d7dce2;
  --accent: #d9a62e;
  --accent-ink: #2b2104;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1418;
    --surface: #1a2129;
    --text: #e7eaee;
    --muted: #93a0ab;
    --border: #35424f;
  }
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 20px 16px 64px;
}
a {
  color: inherit;
}
.crumb {
  font-size: 14px;
  margin: 0 0 24px;
}
.crumb a {
  color: var(--muted);
  text-decoration: none;
}
.crumb a:hover {
  color: var(--text);
}
h1 {
  font-size: clamp(24px, 5.5vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
h2 {
  font-size: clamp(18px, 3.6vw, 22px);
  margin: 32px 0 8px;
}
.lede {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 8px;
}
.note {
  font-size: 15px;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  margin: 16px 0;
}
.formula {
  font-size: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  text-align: center;
}
.ranks {
  padding-left: 0;
  list-style: none;
  counter-reset: rank;
}
.ranks > li {
  counter-increment: rank;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 0 0 10px;
}
.ranks > li h2 {
  margin: 0;
  font-size: 18px;
}
.ranks > li h2::before {
  content: counter(rank) '. ';
  color: var(--muted);
}
.ranks p {
  margin: 4px 0 0;
}
.cards {
  font-size: 19px;
  letter-spacing: 0.06em;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
th,
td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
tbody tr:last-child td {
  border-bottom: none;
}
.links {
  padding-left: 20px;
}
.links li {
  margin: 6px 0;
}
.cta {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-decoration: none;
  border-radius: 10px;
  padding: 12px 18px;
  min-height: 44px;
}
.more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-weight: 600;
}
.more a {
  text-decoration: none;
}
.more a:hover {
  text-decoration: underline;
}