/* Standalone resource page. No shared stylesheet, downloaded font or script required. */
.reference-page {
  --color-bg: #fff;
  --color-bg-soft: #f6f8fb;
  --color-border: #e5eaf0;
  --color-primary: #2458d3;
  --color-primary-dark: #1844a8;
  --color-text-main: #101828;
  --color-text-secondary: #475467;
  --layout-reading-max: 66ch;
  --radius-surface: 12px;
  --type-lead: 1.125rem;
  --type-line-lead: 1.6;
  --type-size-body-sm: .875rem;
  --type-size-meta: .8125rem;
  font-family: Arial, "Helvetica Neue", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.reference-page .content-container { width: min(100% - 48px, 1200px); margin-inline: auto; }
.reference-page h1 { font-size: clamp(2.125rem, 3.7vw, 3rem); line-height: 1.1; letter-spacing: -.035em; }
.reference-page h2 { font-size: clamp(1.625rem, 2.6vw, 2rem); line-height: 1.22; }
.reference-page h3 { font-size: clamp(1.125rem, 1.65vw, 1.25rem); line-height: 1.35; }
.reference-page h1, .reference-page h2, .reference-page h3 { font-weight: 700; text-wrap: balance; }
.reference-page .compact-heading { font-size: 1.25rem; line-height: 1.35; }
.reference-page .breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: .875rem; }
.reference-page .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 20px; border-radius: 8px; font-size: .875rem; font-weight: 600; line-height: 1.4; text-align: center; }
.reference-page section[id] { scroll-margin-top: 24px; }
.reference-page .reference-skip { position: absolute; top: 12px; left: 24px; z-index: 1; padding: 12px 20px; background: #fff; color: var(--color-primary); border: 1px solid currentColor; transform: translateY(-200%); }
.reference-page .reference-skip:focus { transform: none; }
.reference-header { border-bottom: 1px solid var(--color-border); }
.reference-header .reference-fallback a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-weight: 600; }
.reference-header .reference-fallback a:first-child { color: var(--color-primary); font-size: 1.25rem; margin-right: auto; }
.reference-header .reference-fallback a:hover { text-decoration: underline; }
.reference-footer { padding-block: 24px; border-top: 1px solid var(--color-border); background: var(--color-bg-soft); font-size: .875rem; }
.reference-footer p { margin: 0; }
.reference-footer p + p { margin-top: 8px; }
.reference-footer a { color: var(--color-primary); text-underline-offset: .2em; }
.reference-page { margin: 0; background: var(--color-bg); color: var(--color-text-main); }
.reference-page *, .reference-page *::before, .reference-page *::after { box-sizing: border-box; }
.reference-page main a { color: var(--color-primary); text-underline-offset: .2em; }
.reference-page main p, .reference-page main li { color: var(--color-text-secondary); }
.reference-page main p { margin: 0 0 1em; }
.reference-page main h1, .reference-page main h2, .reference-page main h3 { margin-top: 0; }
.reference-page :is(a, button):focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
.reference-fallback { min-height: 73px; display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.reference-fallback a { color: var(--color-text-main); }
.reference-hero { padding-block: 28px 52px; background: var(--color-bg-soft); border-bottom: 1px solid var(--color-border); }
.reference-hero .breadcrumbs { margin-bottom: 40px; }
.reference-hero h1 { max-width: 24ch; }
.reference-page main .reference-kicker { font-size: var(--type-size-meta); font-weight: 600; color: var(--color-primary); margin-bottom: 12px; }
.reference-page main .reference-lead { font-size: var(--type-lead); line-height: var(--type-line-lead); max-width: 72ch; margin-bottom: 24px; }
.reference-credit { font-size: var(--type-size-body-sm); line-height: 1.7; }
.reference-credit strong { color: var(--color-text-main); }
.reference-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 24px 12px; }
.reference-page main a.btn { text-decoration: none; border: 1px solid var(--color-primary); }
.reference-page main .reference-primary { background: var(--color-primary); color: #fff; }
.reference-page main .reference-primary:hover { background: var(--color-primary-dark); }
.reference-page main .reference-secondary { background: #fff; color: var(--color-primary); }
.reference-page main .reference-secondary:hover { background: var(--color-bg-soft); }
.reference-page main .reference-caption { font-size: var(--type-size-body-sm); line-height: 1.6; max-width: 76ch; }
.reference-navigation { padding-top: 32px; }
.reference-layout { display: grid; grid-template-columns: minmax(0, 2.2fr) minmax(260px, 1fr); gap: 64px; padding-block: 40px 72px; align-items: start; }
.reference-layout > * { min-width: 0; }
.reference-article section { padding-bottom: 32px; margin-bottom: 36px; border-bottom: 1px solid var(--color-border); }
.reference-article section:last-child { margin-bottom: 0; border-bottom: 0; padding-bottom: 0; }
.reference-article p, .reference-article li { max-width: var(--layout-reading-max); }
.reference-article ul { padding-left: 22px; margin: 0 0 24px; }
.reference-article li + li { margin-top: 10px; }
.reference-outline { padding: 24px; background: var(--color-bg-soft); border: 1px solid var(--color-border); border-radius: var(--radius-surface); }
.reference-outline ol { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 24px; padding-left: 22px; margin: 12px 0 0; }
.reference-outline a { display: inline-block; padding-block: 9px; }
.reference-sources { margin-top: 0; }
.reference-source { padding-block: 20px; border-bottom: 1px solid var(--color-border); }
.reference-source p { font-size: var(--type-size-body-sm); }
.reference-sources > .reference-caption { margin-top: 20px; }
@media (max-width: 1000px) {
  .reference-layout { gap: 32px; grid-template-columns: minmax(0, 1.8fr) minmax(240px, 1fr); }
}
@media (max-width: 760px) {
  .reference-hero { padding-block: 20px 32px; }
  .reference-hero .breadcrumbs { margin-bottom: 28px; }
  .reference-layout { display: flex; flex-direction: column; padding-block: 32px 48px; }
  .reference-sidebar { width: 100%; }
  .reference-outline { padding: 20px; }
  .reference-outline ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .reference-sources { margin-top: 24px; }
  .reference-source { padding-block: 16px; }
  .reference-article section { padding-bottom: 24px; margin-bottom: 28px; }
}
@media (max-width: 420px) {
  .reference-outline ol { display: block; }
  .reference-actions a { width: 100%; }
}

@media (max-width: 760px) {
  .reference-page { --type-lead: 1.0625rem; }
  .reference-page .content-container { width: calc(100% - 32px); }
  .reference-fallback { gap: 4px 16px; padding-block: 12px; }
}