:root {
  color-scheme: light dark;
  --paper: light-dark(#faf9f5, #20211f);
  --ink: light-dark(#252d29, #e5e9e2);
  --muted: light-dark(#566059, #b7c1b8);
  --line: light-dark(#cdd3ca, #525c53);
  --link: light-dark(#285841, #b8d6b7);
  --wash: light-dark(#eef0e9, #30382f);
  --accent-fill: light-dark(#285841, #b8d6b7);
  --accent-text: light-dark(#fff, #20211f);
  --warning: light-dark(#f4efe4, #39352b);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0 auto; max-width: 1050px; padding: 24px; background: var(--paper); color: var(--ink); font: 16px/1.7 system-ui, sans-serif; }
a { color: var(--link); overflow-wrap: anywhere; text-underline-offset: 3px; }
bdi, h1 { overflow-wrap: anywhere; }
:lang(ja) { font-family: system-ui, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; }
:lang(ko) { font-family: system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; }
h1 { font: 400 clamp(25px, 4vw, 38px)/1.4 Georgia, serif; }
h2 { font-size: 22px; font-weight: 500; }
h3 { font-size: 18px; }
nav { display: flex; gap: 16px; flex-wrap: wrap; }
main { padding: 22px 0; }
section, article { margin: 20px 0; padding-top: 16px; border-top: 1px solid var(--line); }
.muted, footer { color: var(--muted); }
.small { font-size: 13px; }
.eyebrow { font-size: 13px; letter-spacing: .06em; color: var(--muted); }
footer { border-top: 1px solid var(--line); padding-top: 18px; font-size: 13px; }
footer p { margin: 8px 0; }
input, select, button { font: inherit; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--ink); }
input { flex: 1; min-width: 0; }
button { cursor: pointer; padding-inline: 20px; }
label { display: block; margin-top: 12px; }
summary { cursor: pointer; padding: 12px 0; }
a:focus-visible, input:focus-visible, button:focus-visible, select:focus-visible, summary:focus-visible { outline: 2px solid var(--link); outline-offset: 4px; }
button:hover, select:hover { border-color: var(--link); }
.skip { position: absolute; left: -9999px; }
.skip:focus { position: static; }

/* A compact header; the language menu does not push the page down. */
.site-header { position: relative; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 16px; }
.brand { font: 25px/1.3 Georgia, serif; white-space: nowrap; text-decoration: none; }
.site-nav { margin-left: auto; font-size: 14px; gap: 18px; }
.site-nav a { display: flex; align-items: center; min-height: 44px; }
.locale-picker { font-size: 13px; margin-left: 4px; }
.locale-picker > summary { min-height: 44px; max-width: 235px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; overflow-wrap: anywhere; }
.locale-picker[open] > summary { background: var(--wash); }
.locale-menu { position: absolute; z-index: 10; right: 0; top: 100%; width: min(540px, 100%); display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-height: 70vh; overflow-y: auto; padding: 20px; margin-top: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); box-shadow: 0 12px 36px #0002; }
.locale-group { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.locale-group a { min-height: 44px; padding: 8px 10px; border-radius: 4px; text-decoration: none; }
.locale-group a:hover { background: var(--wash); }
.locale-group .locale-base { font-weight: 650; font-size: 15px; }
.locale-group a[aria-current] { background: var(--wash); text-decoration: underline; font-weight: 650; }

/* Search stays the primary entrance; advanced conditions remain native controls. */
.home-intro { padding: 10px 0 18px; }
.home-intro .eyebrow { margin: 0 0 8px; }
.home-intro h1 { margin: 0 0 12px; }
.home-intro > p:last-child { margin: 0; max-width: 680px; }
.search-panel { padding: 22px 24px; border: 1px solid var(--line); border-radius: 10px; background: var(--wash); }
.search-panel > label { margin: 0 0 8px; font-size: 14px; font-weight: 550; }
.search-row { display: flex; gap: 10px; }
.search-row input { min-height: 52px; font-size: 18px; }
.search-row button { min-height: 52px; white-space: normal; overflow-wrap: anywhere; }
.primary-button { background: var(--accent-fill); color: var(--accent-text); border-color: var(--accent-fill); font-weight: 600; }
.primary-button:hover { filter: brightness(1.08); }
.search-tools { display: flex; flex-wrap: wrap; align-items: start; gap: 12px 24px; margin-top: 14px; }
.kind-filter { display: flex; align-items: center; gap: 10px; }
.kind-filter label { margin: 0; font-size: 14px; }
.kind-filter select { min-width: 105px; max-width: 100%; }
.more-filters { flex: 1; min-width: 180px; }
.more-filters > summary { width: fit-content; min-height: 44px; padding: 8px 0; font-size: 14px; color: var(--link); }
.filter-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: end; }
.filter-row label { flex: 1; min-width: 140px; margin: 8px 0 0; font-size: 14px; overflow-wrap: anywhere; }
.filter-row select { display: block; width: 100%; max-width: 100%; margin-top: 6px; }
.more-filters .small { margin-bottom: 0; }
.badge { display: inline-block; padding: 2px 9px; border: 1px solid var(--line); border-radius: 20px; background: var(--wash); color: var(--ink); font-size: 12px; line-height: 1.6; }
.results-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0 4px; }
.results-toolbar h2 { margin: 0; font-size: 20px; }
.results-toolbar p { margin: 4px 0; color: var(--muted); font-size: 14px; }
.text-button { background: transparent; color: var(--link); padding-inline: 10px; font-size: 14px; flex-shrink: 0; }
.active-filters { gap: 8px; padding: 8px 0 4px; }
.filter-chip { min-height: 44px; border-radius: 20px; padding: 4px 12px; font-size: 13px; background: var(--wash); }
.results .result-card { margin: 0; padding: 22px 0; border-top: none; border-bottom: 1px solid var(--line); }
.result-meta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; color: var(--muted); font-size: 13px; }
.result-title { font: 400 clamp(19px, 2.3vw, 23px)/1.5 Georgia, serif; margin: 9px 0 7px; }
.result-title a { text-decoration: none; }
.result-title a:hover { text-decoration: underline; }
.result-credits, .result-languages, .result-match { margin: 5px 0 0; font-size: 14px; }
.result-credits a { text-decoration: none; }
.result-credits a:hover { text-decoration: underline; }
.result-languages, .result-match { color: var(--muted); }
.match-notice { background: var(--warning); border-left: 3px solid var(--link); padding: 10px 14px; margin-top: 12px; max-width: 800px; font-size: 13px; }
.match-notice p { margin: 0 0 4px; }
.match-notice details > summary { width: fit-content; padding: 6px 0 0; color: var(--link); }
.match-notice details p { margin-top: 10px; }
.empty-results { padding: 20px; background: var(--wash); border-radius: 6px; }
#search-limit { margin: 16px 0 24px; }

.topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 28px 0; }
.topic-grid .topic { min-width: 0; margin: 0; padding: 22px 24px; border: 1px solid var(--line); border-radius: 8px; }
.topic .eyebrow { margin: 0; }
.topic h2 { margin: 7px 0 12px; font: 400 23px/1.4 Georgia, serif; }
.topic p { font-size: 14px; margin: 10px 0 16px; }
.topic-links { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.topic-links a { min-height: 44px; display: flex; align-items: center; }
.browse-directory { border-top: 1px solid var(--line); margin: 24px 0 10px; }
.browse-directory > summary { color: var(--link); padding: 18px 0; }
.browse-nav { padding: 8px 0; }
.browse-nav a { min-height: 44px; display: flex; align-items: center; }
.directory-list { list-style: none; padding: 0; }
.directory-list li { padding: 10px 0; margin: 0; border-bottom: 1px solid var(--line); }
.directory-type { font-size: 12px; color: var(--muted); margin-left: 12px; white-space: nowrap; }

/* Existing record pages keep their hierarchy and evidence visible. */
.entity-head { max-width: 820px; }
.name-list, .people { list-style: none; padding: 0; }
.name-list li, .people li { margin-bottom: 14px; }
.name-list p, .people p { margin: 4px 0; }
.name-list a.small { display: block; width: fit-content; min-height: 44px; padding: 8px 0; }
.notice { padding: 14px 20px; margin: 20px 0; background: var(--wash); border-left: 3px solid var(--link); overflow-wrap: anywhere; }
.notice h3 { margin: 0 0 8px; }
.notice ul { margin: 0; }
.relation-row { padding: 12px 0; margin: 8px 0; }
.relation-row p { margin: 4px 0; }
.publication { margin-left: 20px; border-left: 2px solid var(--line); padding-left: 20px; }
.publication-meta { color: var(--muted); }
section[id], h2[id] { scroll-margin-top: 20px; }
.version-nav { margin: 14px 0; }
.version-nav a { border-bottom: 1px solid var(--line); padding: 8px 0; }
.candidate { font-weight: 600; text-decoration: underline dotted; }
.status { font-size: 14px; }
dl { display: grid; grid-template-columns: minmax(80px, 140px) minmax(0, 1fr); gap: 6px 16px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
dd dl { margin: 0 0 8px; grid-template-columns: 100px minmax(0, 1fr); }
ul { padding-left: 22px; }
li { margin-bottom: 8px; }
@media (max-width: 760px) {
  .site-header { gap: 8px 12px; }
  .site-nav { order: 3; flex-basis: 100%; margin-left: 0; }
  .locale-picker { margin-left: auto; }
  .locale-label { display: none; }
}
@media (max-width: 600px) {
  body { padding: 16px; }
  .brand { font-size: 22px; }
  .locale-picker > summary { max-width: 140px; font-size: 12px; }
  .locale-menu { grid-template-columns: 1fr; padding: 14px; }
  main { padding-top: 18px; }
  .home-intro { padding: 6px 0 18px; }
  .home-intro h1 { font-size: 27px; }
  .home-intro > p:last-child { font-size: 14px; }
  .search-panel { padding: 16px; }
  .search-row { gap: 8px; }
  .search-row input { font-size: 16px; }
  .search-row button { padding-inline: 12px; font-size: 14px; }
  .search-tools { gap: 6px 12px; }
  .more-filters { flex-basis: 100%; min-width: 0; }
  .filter-row { flex-direction: column; align-items: stretch; }
  .filter-row label { min-width: 0; }
  .topic-grid { grid-template-columns: 1fr; gap: 14px; margin-top: 24px; }
  .topic-grid .topic { padding: 18px 20px; }
  .results-toolbar { gap: 10px; }
  .result-title { font-size: 20px; }
  dl, dd dl { grid-template-columns: 1fr; gap: 2px; }
  dd { padding-left: 10px; margin-bottom: 10px; }
  .publication { margin-left: 0; padding-left: 12px; }
}

/* Exact version links and grouped publication records support reading tasks. */
.entity-head h1 { margin: 8px 0 12px; }
.entity-head .eyebrow { margin-top: 0; }
.entity-head .status { margin: 8px 0; }
.permalink { display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; }
.permalink a { display: inline-flex; align-items: center; min-height: 44px; }
.permalink .text-button { padding-inline: 12px; font-size: 13px; }
.record-nav { margin: 18px 0; padding: 10px 0; border-block: 1px solid var(--line); gap: 8px 24px; }
.record-nav a { display: flex; align-items: center; min-height: 44px; }
#copy-feedback:empty { display: none; }
#copy-feedback { padding: 10px 14px; background: var(--wash); border-radius: 6px; }
#copy-manual { padding: 12px 16px; background: var(--wash); }
#copy-manual label { margin: 0 0 8px; }
#copy-url { width: 100%; }
.reference-context { display: block; font-size: 13px; color: var(--muted); }
.relation-row > a { font: 400 21px/1.5 Georgia, serif; }
.relation-row > .small .reference-context { display: inline; margin-left: 8px; }
.version-overview { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 14px; }
.version-overview > a { padding: 16px 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--wash); text-decoration: none; }
.version-overview > a:hover { border-color: var(--link); }
.version-overview strong, .version-overview span { display: block; }
.version-overview strong { font-weight: 550; }
.version-overview span { color: var(--muted); margin-top: 4px; }
.version-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 4px 20px; }
.version-heading h2 { margin: 6px 0; }
.publication-list-heading { margin: 24px 0 8px; }
.publication-jumps { list-style: none; padding: 0; margin: 8px 0 18px; }
.publication-jumps li { margin: 0; }
.publication-jumps a { display: block; padding: 10px 0; min-height: 44px; }
.publication { margin: 18px 0; padding: 18px 22px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.publication-heading { display: flex; flex-wrap: wrap; align-items: start; gap: 10px 18px; }
.publication-heading h3 { flex: 1; min-width: 180px; margin: 0; font-weight: 550; }
.publication-heading .badge { margin-top: 2px; }
.publication-meta { margin: 8px 0; }
.publication-actions { gap: 6px 20px; }
.publication-actions a { display: flex; align-items: center; min-height: 44px; }
.publication .status { margin-top: 10px; }
article[id] { scroll-margin-top: 20px; }
.expression:target, .publication:target { outline: 2px solid var(--link); outline-offset: 5px; }
@media (max-width: 600px) {
  .publication { padding: 16px; }
  .publication-heading h3 { min-width: 140px; }
  .version-heading { display: block; }
  .relation-row > a { font-size: 20px; }
}