:root {
  color-scheme: light;
  --ink: #191a1d;
  --body: #3d3f44;
  --muted: #61636a;
  --line: #e0e0e3;
  --subtle: #f7f7f8;
  --masthead: #111214;
  --masthead-field: #303135;
  --wrap: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  color: var(--ink);
  background: white;
  font: 16px/1.6 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid #386aa9; outline-offset: 4px; }
.wrap { width: min(var(--wrap), calc(100% - 48px)); margin-inline: auto; }

.skip { position: absolute; top: 8px; left: 8px; transform: translateY(-200%); }
.skip:focus {
  transform: none;
  z-index: 1;
  padding: 8px 12px;
  background: white;
}

.masthead { background: var(--masthead); color: white; padding: 22px 0 34px; }
.masthead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
}
.brand, .home-link { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand { font-weight: 650; }
.brand img { display: block; object-fit: contain; }
.home-link { font-size: .92rem; }
.home-link:hover, .brand:hover { text-decoration: underline; }
.masthead :focus-visible { outline-color: #b7d6ff; }
.search {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 58px;
  margin-top: 16px;
  padding: 0 16px;
  border-radius: 12px;
  background: var(--masthead-field);
}
.search:focus-within { outline: 2px solid #b7d6ff; outline-offset: 3px; }
.search svg { flex: none; }
.search input {
  width: 100%;
  min-width: 0;
  padding: 15px 0;
  outline: none;
  border: 0;
  background: transparent;
  color: white;
  font: inherit;
  font-size: 1.1rem;
}
.search input::placeholder { color: #d3d3d6; }
.search input::-webkit-search-cancel-button { appearance: none; }
.clear {
  width: 36px;
  height: 36px;
  flex: none;
  border: 0;
  border-radius: 6px;
  color: inherit;
  background: transparent;
  cursor: pointer;
  font: 24px/1 system-ui, sans-serif;
}
.clear:hover { background: #494a50; }

main { min-height: 56vh; padding-block: 38px 60px; }
h1, h2, h3 { line-height: 1.2; }
h1 { margin: 0; font-size: clamp(1.9rem, 4vw, 2.65rem); letter-spacing: -.035em; }
h2 { font-size: 1.45rem; letter-spacing: -.02em; }
h3 { font-size: 1.2rem; }
.intro p, .article-title p { margin: 10px 0 0; color: var(--muted); font-size: 1.12rem; }

.collections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 18px;
  margin-top: 30px;
}
.collection { padding: 22px; border: 1px solid var(--line); border-radius: 14px; }
.collection:target { border-color: #666970; }
.collection h2, .outline h2 { margin: 0; }
.collection p { margin: 7px 0 15px; color: var(--muted); }
.collection ul, .outline ul, .read-next ul, #result-list { margin: 0; padding: 0; list-style: none; }
.collection li + li, .read-next li + li { margin-top: 8px; }

.breadcrumbs { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin-bottom: 38px; font-size: .92rem; }
.breadcrumbs [aria-current] { color: var(--muted); }
.breadcrumbs > :not(:first-child)::before { content: '›' / ''; margin-right: 8px; color: var(--muted); }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  grid-template-rows: auto 1fr;
  column-gap: clamp(36px, 6vw, 80px);
  row-gap: 30px;
  align-items: start;
}
.article-title { grid-column: 1; }
.article-body {
  grid-column: 1;
  color: var(--body);
  font-size: 1.08rem;
  line-height: 1.67;
  overflow-wrap: anywhere;
}
.article-body > :first-child { margin-top: 0; }
.article-body h2, .article-body h3 { margin: 1.85em 0 .65em; color: var(--ink); scroll-margin-top: 24px; }
.article-body p { margin: 0 0 1em; }
.article-body ul, .article-body ol { padding-inline-start: 1.5em; }
.article-body li + li { margin-top: .35em; }
.article-body img {
  display: block;
  max-width: min(100%, 340px);
  height: auto;
  margin: 25px auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.article-body pre { padding: 14px; overflow: auto; background: var(--subtle); }
.article-body code { font-size: .9em; }
.article-body blockquote { margin-inline: 0; padding-inline: 16px; border-left: 3px solid var(--line); }
.article-body table { display: block; overflow: auto; border-collapse: collapse; }
.article-body td, .article-body th { padding: 8px; border: 1px solid var(--line); }
.markdown-alert {
  margin-block: 24px;
  padding: 13px 16px;
  border-inline-start: 3px solid #386aa9;
  border-radius: 6px;
  background: #edf4fd;
}
.markdown-alert-warning, .markdown-alert-caution { border-color: #a14428; background: #fdf0e9; }
.markdown-alert-title { color: var(--ink); font-weight: 650; }
.markdown-alert p.markdown-alert-title { margin-bottom: 4px; }
.markdown-alert > :last-child { margin-bottom: 0; }
.outline {
  grid-area: 1 / 2 / 3;
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  border-inline-start: 1px solid var(--line);
  font-size: .88rem;
}
.outline h2 { padding: 5px 0 8px 15px; color: var(--ink); font-size: .9rem; }
.outline a { display: block; padding: 6px 14px; line-height: 1.4; color: var(--muted); text-decoration: none; }
.outline .h3 a { padding-inline-start: 26px; }
.outline a:hover { color: var(--ink); text-decoration: underline; }
.outline a[aria-current] { box-shadow: inset 2px 0 var(--ink); color: var(--ink); font-weight: 650; }
.read-next { margin-top: 38px; padding-top: 12px; border-top: 1px solid var(--line); }
.read-next ul { padding: 0; }

#search-results { max-width: 760px; }
#search-status, .result-category { color: var(--muted); }
#result-list li { border-top: 1px solid var(--line); }
#result-list a { display: block; padding: 15px 0; text-decoration: none; }
#result-list a:hover strong { text-decoration: underline; }
#result-list strong { display: block; margin-block: 2px; font-size: 1.1rem; }
#result-list p { margin: 0; color: var(--body); }
.result-category { display: block; font-size: .85rem; }
#retry-search { cursor: pointer; padding: 8px 12px; font: inherit; }
footer.wrap { display: flex; flex-wrap: wrap; gap: 12px 22px; padding-block: 18px 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }

@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .masthead { padding: 14px 0 22px; }
  .search { min-height: 52px; margin-top: 12px; }
  main { padding-top: 26px; }
  .breadcrumbs { margin-bottom: 24px; }
  .article-layout { display: block; }
  .outline { position: static; max-height: none; margin-block: 22px; }
}
@media (max-width: 350px) {
  .brand span { display: none; }
}