:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --accent: #2b6cb0;
  --border: #e2e2e2;
  --maxw: 44rem;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a;
    --fg: #e8e8ea;
    --muted: #a0a0a8;
    --accent: #7aa7e0;
    --border: #2a2c34;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); }
.site-header, .site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem 1.25rem;
}
.site-header { border-bottom: 1px solid var(--border); }
.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: .875rem; }
.site-header__brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.site-main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}
.page__title, .listing__heading { line-height: 1.2; margin: 0 0 .75rem; }
.page__summary, .listing__intro { color: var(--muted); font-size: 1.05rem; }
.page__body p { margin: 0 0 1rem; }
.field { margin: 1.5rem 0; }
.field__label { font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0 0 .25rem; }
.block { margin: 1.5rem 0; padding-left: 1rem; border-left: 3px solid var(--border); }
.items, .listing__items { list-style: none; padding: 0; }
.listing__item { padding: .9rem 0; border-bottom: 1px solid var(--border); }
.listing__item-link { font-size: 1.15rem; font-weight: 600; text-decoration: none; }
.listing__item-link:hover { text-decoration: underline; }
.listing__item-summary { margin: .25rem 0 0; color: var(--muted); }
.listing__empty { color: var(--muted); }
.error { text-align: center; padding: 3rem 0; }
.error__code { font-size: 3rem; margin: 0; }