/* Public help center. System fonts only: the page's CSP loads nothing from other hosts. It is the customer's
   own site, so it is white-label ink and paper: neutral greys, ink links and buttons, no vendor colour. */
:root {
  --paper: #fafafa;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #4d4d4d;
  --rule: #dcdcdc;
  --accent: #171717;
  --accent-ink: #ffffff;
  --accent-hover: #333333;
  --accent-soft: #efefef;
  --tab: #f4f4f4;
  --thumb: rgba(23, 23, 23, 0.22);
  --thumb-hover: rgba(23, 23, 23, 0.42);
  --serif: "Iowan Old Style", "Charter", "Bitstream Charter", "Sitka Text", Cambria, "Palatino Linotype", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --radius: 10px;
  /* A help center's brand sheet sets these; their defaults are the look above, in light and dark. */
  --link: var(--accent);
  --ring: var(--accent);
  --header: var(--surface);
  --header-ink: var(--ink);
  --header-hover: var(--accent);
  --header-ring: var(--accent);
  --footer: var(--surface);
  --footer-ink: var(--muted);
  --footer-hover: var(--accent);
  --footer-ring: var(--accent);
  --font-body: var(--sans);
  --font-head: var(--serif);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0a0a0a;
    --surface: #141414;
    --ink: #fafafa;
    --muted: #a3a3a3;
    --rule: #2e2e2e;
    --accent: #fafafa;
    --accent-ink: #0a0a0a;
    --accent-hover: #e5e5e5;
    --accent-soft: #222222;
    --tab: #1c1c1c;
    --thumb: rgba(250, 250, 250, 0.2);
    --thumb-hover: rgba(250, 250, 250, 0.4);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.6 var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--thumb); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--thumb-hover); }
::-webkit-scrollbar-corner { background: transparent; }
::-webkit-scrollbar-button { display: none; }

@supports not selector(::-webkit-scrollbar) {
  * { scrollbar-width: thin; scrollbar-color: var(--thumb) transparent; }
}

a { color: var(--link); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: 72rem; margin: 0 auto; padding: 0 1rem; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: 1rem; top: -3rem; z-index: 10;
  background: var(--accent); color: var(--accent-ink); padding: 0.5rem 0.875rem; border-radius: 6px;
}
/* Focused, it sits on the header band, so it takes the header's ring. */
.skip:focus { top: 0.75rem; --ring: var(--header-ring); }

/* Header and footer: links, hover and the focus ring take colors that read on their band. */
.masthead { background: var(--header); border-bottom: 1px solid var(--rule); --ring: var(--header-ring); }
.masthead-row { display: flex; align-items: center; gap: 1rem; min-height: 4rem; }
.brand {
  font: 600 1.25rem/1.2 var(--font-head); color: var(--header-ink); text-decoration: none;
  display: inline-flex; align-items: center; min-height: 2.75rem;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0;
}
.brand:hover { color: var(--header-hover); }
/* The logo stands in for the title, at most 40 px tall; its width and height keep its place as it loads. */
.brand-logo { display: block; width: auto; max-height: 2.5rem; max-width: 12rem; object-fit: contain; }
/* A long host name ends in an ellipsis rather than widening a narrow page; its title holds it whole. */
.site-link {
  margin-left: auto; color: var(--header-ink); text-decoration: none; font-weight: 600;
  display: block; min-height: 2.75rem; line-height: 2.75rem; min-width: 0; max-width: 100%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.site-link:hover { color: var(--header-hover); text-decoration: underline; }
.site-link + .search-compact { margin-left: 0; }
/* Ask AI: the help center's AI chat, when a workspace turned it on. */
.ask-link { display: inline-flex; align-items: center; gap: 0.375rem; min-height: 2.75rem; padding: 0 1rem; border-radius: 999px; flex: none; border: 1px solid color-mix(in srgb, var(--header-ink) 35%, transparent); color: var(--header-ink); font-weight: 600; text-decoration: none; }
.ask-link:hover { border-color: var(--header-ink); color: var(--header-hover); }
.ask-link:focus-visible { outline: 3px solid var(--header-ring); outline-offset: 2px; }
.ask-link + .search-compact { margin-left: 0.75rem; }
.hero-ask { margin: 1rem 0 0; color: var(--muted); }
.hero-ask a { font-weight: 600; }
@media (max-width: 40rem) {
  .ask-link .ask-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .ask-link { width: 3rem; min-height: 3rem; padding: 0; justify-content: center; }
}

/* Search */
.search input {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--rule); border-radius: 999px; min-width: 0;
}
.search input::placeholder { color: var(--muted); opacity: 1; }
.search input:focus-visible { outline: 3px solid var(--ring); outline-offset: 1px; border-color: transparent; }
.search button {
  font: 600 1rem/1 var(--font-body); cursor: pointer; border: 0;
  background: var(--accent); color: var(--accent-ink); border-radius: 999px;
  transition: background-color 150ms ease;
}
.search button:hover { background: var(--accent-hover); }

.search-compact { margin-left: auto; display: flex; align-items: center; position: relative; flex: 0 1 20rem; }
.search-compact input { width: 100%; height: 3rem; padding: 0 3.5rem 0 1rem; background: var(--paper); }
.search-compact button {
  position: absolute; right: 0.125rem; width: 2.75rem; height: 2.75rem;
  display: grid; place-items: center; padding: 0;
}
/* Around the button the ring would cross both the field and the header band; inside it, it is the
   button's own ink on the button. */
.search-compact button:focus-visible { outline-color: var(--accent-ink); outline-offset: -6px; }

.hero { padding: 3.5rem 0 2.5rem; max-width: 46rem; }
.hero-search { padding-bottom: 1.5rem; }
.hero-title {
  font: 600 clamp(2.125rem, 5vw, 3.25rem)/1.08 var(--font-head);
  letter-spacing: -0.015em; margin: 0 0 1.5rem; overflow-wrap: anywhere;
}
.hero-label { display: block; font-weight: 600; color: var(--muted); margin-bottom: 0.5rem; }
.search-field { position: relative; display: flex; align-items: center; }
.search-field svg { position: absolute; left: 1.125rem; color: var(--muted); pointer-events: none; }
.search-field input { width: 100%; height: 3.5rem; padding: 0 7.5rem 0 3.25rem; font-size: 1.0625rem; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04); }
.search-field button { position: absolute; right: 0.375rem; height: 2.75rem; padding: 0 1.25rem; }

/* Breadcrumbs */
.crumbs { margin: 1.5rem 0 0; font-size: 0.9375rem; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 0; }
.crumbs li { display: flex; align-items: center; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin: 0 0.5rem; color: var(--rule); }
.crumbs a { color: var(--muted); text-decoration: none; display: inline-flex; align-items: center; min-height: 2.75rem; }
.crumbs a:hover { color: var(--link); text-decoration: underline; }

.section-label {
  font: 600 0.8125rem/1.4 var(--font-body); text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); margin: 2.5rem 0 1rem;
}
.quiet { text-transform: none; letter-spacing: 0; font-weight: 400; }

/* Topic cards: each sits under a divider tab, like the sections of a binder. */
.cards {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 2.25rem 1.25rem; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
}
.card { display: flex; flex-direction: column; padding-top: 2.8125rem; position: relative; }
.card-tab {
  position: absolute; top: 0; left: 0; max-width: calc(100% - 2rem); margin: 0;
  background: var(--tab); border: 1px solid var(--rule); border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  font: 600 1.125rem/1.3 var(--font-head);
}
.card-tab a {
  display: flex; align-items: center; min-height: 2.75rem; padding: 0.25rem 1rem; color: var(--ink); text-decoration: none;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card-tab a:hover { color: var(--link); }
.card-body {
  flex: 1; display: flex; flex-direction: column; gap: 0.75rem;
  background: var(--surface); border: 1px solid var(--rule);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 1.125rem 1.25rem 1.25rem; border-top: 3px solid var(--tab);
}
.card-desc { margin: 0; color: var(--muted); }
.card-count { margin: 0; color: var(--muted); font-size: 0.9375rem; }
.card-list { list-style: none; margin: 0; padding: 0; }
.card-list li { border-top: 1px solid var(--rule); }
.card-list li:first-child { border-top: 0; }
.card-list a { display: flex; align-items: center; min-height: 2.75rem; padding: 0.375rem 0; color: var(--ink); text-decoration: none; }
.card-list a:hover { color: var(--link); text-decoration: underline; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips a {
  display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 0.875rem; border-radius: 999px; font-size: 0.9375rem;
  background: var(--accent-soft); color: var(--ink); text-decoration: none;
}
.chips a:hover { color: var(--link); }
.card-more { margin-top: auto; font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 0.375rem; min-height: 2.75rem; align-self: flex-start; }
.card-more:hover { text-decoration: underline; }
.cards-compact { grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); }

/* Page heads */
.page-head { margin: 1rem 0 0; max-width: 46rem; }
.page-head h1 {
  font: 600 clamp(1.875rem, 4vw, 2.625rem)/1.15 var(--font-head);
  letter-spacing: -0.01em; margin: 0 0 0.75rem; overflow-wrap: anywhere;
}
.lede { font-size: 1.125rem; color: var(--muted); margin: 0; }
.meta { color: var(--muted); margin: 0; font-size: 0.9375rem; line-height: 1.8; }
.meta a { display: inline-flex; align-items: center; min-height: 2.75rem; vertical-align: middle; }

/* Article lists */
.index { list-style: none; margin: 0; padding: 0; max-width: 46rem; border-top: 1px solid var(--rule); }
.index li { border-bottom: 1px solid var(--rule); }
.index a {
  display: block; padding: 0.875rem 0.25rem; color: var(--ink); text-decoration: none;
  font-size: 1.0625rem; transition: color 150ms ease;
}
.index a:hover { color: var(--link); text-decoration: underline; }

.pager { display: flex; justify-content: space-between; gap: 1rem; max-width: 46rem; margin: 1.5rem 0 0; }
.pager a {
  display: inline-flex; align-items: center; gap: 0.375rem; min-height: 2.75rem; padding: 0 1rem;
  border: 1px solid var(--rule); border-radius: 999px; background: var(--surface); text-decoration: none; font-weight: 600;
}
.pager a[rel="next"] { margin-left: auto; }

/* Article */
.article-layout { display: grid; gap: 2.5rem; grid-template-columns: minmax(0, 1fr); padding-bottom: 1rem; }
.article { min-width: 0; }
.prose { max-width: 42rem; margin-top: 2rem; font-size: 1.0625rem; line-height: 1.75; overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose h1, .prose h2, .prose h3, .prose h4 { font-family: var(--font-head); line-height: 1.25; margin: 2.25rem 0 0.75rem; scroll-margin-top: 1rem; }
.prose h1 { font-size: 1.75rem; }
.prose h2 { font-size: 1.5rem; }
.prose h3 { font-size: 1.25rem; }
.prose h4 { font-size: 1.0625rem; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose pre, .prose table { margin: 0 0 1.25rem; }
.prose ul, .prose ol { padding-left: 1.5rem; }
.prose li { margin: 0.375rem 0; }
.prose li:has(> input[type="checkbox"]) { list-style: none; margin-left: -1.5rem; }
.prose li > input[type="checkbox"] { margin: 0 0.5rem 0 0; vertical-align: -0.1em; accent-color: var(--accent); }
.prose img { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--rule); background: var(--surface); }
/* A video player fills the column at 16:9 whatever width and height its HTML gives. */
.prose iframe { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; margin: 0 0 1.25rem; border: 1px solid var(--rule); border-radius: 8px; background: var(--surface); }
/* An article whose text took too long to render shows it as written. */
.prose .plain-note { color: var(--muted); font-size: 0.9375rem; }
.prose .plain-text { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; margin: 0; }
/* A portrait video (a phone recording) stays within the window: at most 60% of its height, centred. */
.prose video { display: block; max-width: 100%; max-height: 60vh; width: auto; height: auto; margin: 0 auto 1.25rem; border-radius: 8px; background: var(--surface); }
.prose blockquote { margin-left: 0; padding: 0.75rem 1.125rem; border-left: 3px solid var(--accent); background: var(--accent-soft); border-radius: 0 8px 8px 0; }
.prose blockquote > :last-child { margin-bottom: 0; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2.25rem 0; }
.prose code { font: 0.9em/1.5 var(--mono); background: var(--accent-soft); padding: 0.1em 0.35em; border-radius: 5px; }
.prose pre {
  background: var(--surface); border: 1px solid var(--rule); border-radius: 8px;
  padding: 1rem 1.125rem; overflow-x: auto; line-height: 1.55;
}
.prose pre code { background: none; padding: 0; font-size: 0.875rem; }
.prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 0.9375rem; }
.prose th, .prose td { border: 1px solid var(--rule); padding: 0.5rem 0.75rem; text-align: left; vertical-align: top; }
.prose th { background: var(--tab); font-weight: 600; }
.prose th[align="center"], .prose td[align="center"] { text-align: center; }
.prose th[align="right"], .prose td[align="right"] { text-align: right; }
.prose .footnotes { font-size: 0.9375rem; color: var(--muted); }

.rail .section-label { margin-top: 0; }
.index-rail { border-top: 0; border-left: 1px solid var(--rule); }
.index-rail li { border-bottom: 0; }
.index-rail a { display: flex; align-items: center; min-height: 2.75rem; padding: 0.25rem 0 0.25rem 1rem; font-size: 0.9375rem; color: var(--muted); border-left: 3px solid transparent; margin-left: -2px; }
.index-rail a[aria-current="page"] { color: var(--ink); font-weight: 600; border-left-color: var(--accent); text-decoration: none; }

@media (min-width: 60rem) {
  .article-layout { grid-template-columns: minmax(0, 1fr) 17rem; gap: 4rem; }
  .rail { position: sticky; top: 1.5rem; align-self: start; max-height: calc(100vh - 3rem); overflow-y: auto; padding-top: 2rem; }
}

/* Search results */
.results { list-style: none; margin: 0; padding: 0; max-width: 46rem; }
.results li { padding: 1.125rem 0; border-bottom: 1px solid var(--rule); }
.results li:first-child { padding-top: 0; }
.result-title { font: 600 1.1875rem/1.35 var(--font-head); text-decoration: none; display: inline-flex; align-items: center; min-height: 2.75rem; }
.result-title:hover { text-decoration: underline; }
.result-where { display: block; color: var(--muted); font-size: 0.875rem; margin-top: 0.125rem; }
.results p { margin: 0.375rem 0 0; color: var(--muted); }

.empty { color: var(--muted); max-width: 40rem; margin: 2rem 0; }

.notice { max-width: 40rem; padding: 4rem 0 2rem; }
.notice-code { font: 600 0.875rem/1 var(--mono); color: var(--link); letter-spacing: 0.1em; margin: 0 0 0.75rem; }
.notice h1 { font: 600 clamp(1.875rem, 4vw, 2.5rem)/1.15 var(--font-head); margin: 0 0 1rem; }
.notice p { color: var(--muted); }
.notice .search-hero { margin-top: 2rem; }

.foot { margin-top: 4rem; border-top: 1px solid var(--rule); background: var(--footer); --ring: var(--footer-ring); }
.foot .wrap { padding-top: 1rem; padding-bottom: 1.5rem; }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0 1.5rem; }
.foot a { color: var(--footer-ink); text-decoration: none; font-family: var(--font-head); display: inline-flex; align-items: center; min-height: 2.75rem; }
.foot a:hover { color: var(--footer-hover); text-decoration: underline; }

@media (max-width: 40rem) {
  .masthead-row { flex-wrap: wrap; padding-top: 0.75rem; padding-bottom: 0.75rem; gap: 0.75rem; }
  .search-compact { flex: 1 1 100%; }
  .hero { padding: 2.25rem 0 1.75rem; }
  .search-field input { padding-right: 1rem; height: 3.25rem; }
  .search-field button { position: static; margin-left: 0.5rem; height: 3.25rem; }
  .search-field svg { display: none; }
  .search-field input { padding-left: 1.125rem; }
  .prose { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

@media print {
  .masthead, .rail, .foot, .skip, .search { display: none; }
  body { background: #fff; color: #000; }
}