/* Design tokens: type, space, color and shape share one scale. */
:root {
  color-scheme: light;
  --ink: #192b35;
  --muted: #586773;
  --line: #dbe2e7;
  --subtle: #edf1f4;
  --panel: #ffffff;
  --page: #fafbfc;
  --accent: #176555;
  --accent-dark: #124d40;
  --accent-soft: #eaf3ef;
  --danger: #a34335;
  --danger-soft: #fff4ef;
  --font: 'Pretendard', 'Noto Sans KR', 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-lg: 16px;
  --text-heading: 20px;
  --text-title: 32px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-round: 50%;
  --control-height: 40px;
  --chart-height: clamp(380px, 48vh, 560px);
  font-family: var(--font);
  font-synthesis: none;
}

/* Readable source summaries and static company pages. */
.chart-reading { margin: 16px 0 8px; padding: 16px 20px; border-radius: 12px; background: var(--accent-soft); }
.chart-reading > strong { color: var(--accent-dark); font-size: 13px; }
.chart-reading p { margin: 5px 0 8px; max-width: 100ch; }
.chart-reading a { font-size: 13px; font-weight: 650; }
.directory-panel { margin-block: 24px; padding: 24px; }
.directory-panel > p, .content-intro > p { color: var(--muted); }
.insurer-directory { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px; list-style: none; padding: 0; margin: 20px 0 0; }
.insurer-directory a { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--panel); text-decoration: none; transition: background .18s, border-color .18s; }
.insurer-directory a:hover { border-color: var(--accent); background: var(--accent-soft); }
.insurer-directory a span { color: var(--accent); }
.insurer-directory .insurer-directory__link { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; }
.insurer-directory__name, .insurer-directory__types { grid-column: 1; }
.insurer-directory__arrow { grid-column: 2; grid-row: 1 / 3; }
.insurer-directory a .insurer-directory__name { color: var(--ink); }
.insurer-directory a .insurer-directory__types { color: var(--muted); font-size: 12px; }
.insurer-directory__group { grid-column: 1 / -1; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); overflow: hidden; }
.insurer-directory__disclosure > summary { display: flex; align-items: center; gap: 12px; padding: 16px; min-height: 52px; list-style: none; cursor: pointer; }
.insurer-directory__disclosure > summary::after { content: '+'; margin-left: auto; color: var(--accent); font-size: 20px; }
.insurer-directory__disclosure[open] > summary::after { content: '−'; }
.insurer-directory__group-name { font-weight: 650; }
.insurer-directory__group-meta { color: var(--muted); font-size: 12px; }
.insurer-directory__group-links { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; list-style: none; padding: 0 16px 16px; margin: 0; }
.insurer-directory__group-links a { align-content: center; }
.directory-link { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 24px 0; margin-block: 8px; border-block: 1px solid var(--line); }
.directory-link h2 { font-size: 16px; }
.directory-link p { color: var(--muted); margin: 4px 0 0; font-size: 13px; }
.directory-link > a { flex: 0 0 auto; text-decoration: none; }
.view-share { display: grid; justify-items: end; gap: 8px; max-width: 440px; min-width: 0; }
.view-share > .button { border-radius: 999px; white-space: nowrap; }
.view-share__status { margin: 0; color: var(--muted); font-size: 13px; }
.view-share__fallback { display: grid; gap: 6px; width: 100%; font-size: 13px; color: var(--muted); }
.view-share__fallback input { width: 100%; min-width: 0; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 16px 0; }
.operator-contact { flex-wrap: wrap; gap: 8px 20px !important; }
.content-page { max-width: 1080px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 32px; color: var(--muted); font-size: 13px; }
.content-intro { margin: 16px 0 32px; max-width: 800px; }
.content-intro h1 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 16px; }
.content-intro > p { max-width: 70ch; }
.content-tabs, .contact-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.content-tabs a { padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); text-decoration: none; }
.company-section, .prose-section { padding: 28px; margin-block: 24px; border-radius: 16px; }
.prose-section h2 { margin-bottom: 16px; }
.prose-section p:last-child { margin-bottom: 0; }
.prose-section li { margin-block: 10px; }
.reading-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 24px 0; }
.reading-metrics > div { display: grid; gap: 4px; }
.reading-metrics span { color: var(--muted); font-size: 13px; }
.reading-metrics strong { font-size: clamp(20px, 3vw, 32px); line-height: 1.3; color: var(--accent-dark); font-variant-numeric: tabular-nums; }
.reading-metrics small { font-size: 16px; color: var(--muted); font-weight: 400; }
.company-reading { font-size: 16px; }
.company-trend { width: 100%; height: auto; display: block; margin-block: 24px; overflow: visible; }
.company-trend text { font: 14px var(--font); fill: var(--muted); }
.company-trend--mobile { display: none; }
.reading-note { padding: 20px; margin-block: 24px; border-radius: 12px; background: var(--accent-soft); }
.related-companies { margin-top: 40px; }
.record-status { min-width: 180px; max-width: 400px; white-space: normal !important; }
.held-records { padding-left: 20px; }
.held-records > li { padding-block: 16px; border-bottom: 1px solid var(--line); }
.held-records p { margin-block: 8px; overflow-wrap: anywhere; }
.contact-actions a { text-decoration: none; }
@media (max-width: 600px) {
  .site-header__inner { gap: 12px; flex-wrap: wrap; padding-block: 12px; }
  .header-nav { flex-wrap: wrap; gap: 8px 16px; }
  .directory-panel, .company-section, .prose-section { padding: 18px; }
  .insurer-directory { grid-template-columns: 1fr; }
  .reading-metrics { gap: 8px; }
  .reading-metrics strong { font-size: 20px; }
  .company-trend--desktop { display: none; }
  .company-trend--mobile { display: block; }
  .chart-reading { padding: 14px; }
  .directory-link { align-items: start; flex-direction: column; gap: 14px; }
  .view-share { justify-items: start; max-width: 100%; }
  .chart-panel > .section-heading { flex-wrap: wrap; gap: 12px; }
  .insurer-directory__group-links { grid-template-columns: 1fr; }
}
* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; scroll-padding-top: var(--space-5); }
body { margin: 0; color: var(--ink); background: var(--page); font-size: var(--text-base); line-height: 1.6; letter-spacing: -.02em; word-break: keep-all; }
a { color: var(--accent); text-underline-offset: var(--space-1); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button, input { accent-color: var(--accent); }
button:disabled, select:disabled { cursor: default; opacity: .65; }
button, select, input, summary, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: var(--space-1); }
[hidden] { display: none !important; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { word-break: keep-all; overflow-wrap: normal; }
h1 { font-size: var(--text-title); font-weight: 750; line-height: 1.3; letter-spacing: -.055em; margin-bottom: var(--space-2); }
h2 { font-size: var(--text-heading); line-height: 1.4; letter-spacing: -.035em; margin-bottom: var(--space-1); }
h3 { font-size: var(--text-base); margin-bottom: var(--space-2); }
.visually-hidden, .filter-panel > .section-heading, .period-preset-filter .field-help {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.page-width { width: min(1380px, calc(100% - 64px)); margin-inline: auto; }
.page-shell { padding-block: var(--space-5) var(--space-7); }
.site-header { background: var(--panel); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: var(--space-5); }
.brand { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--ink); font-size: 21px; font-weight: 800; letter-spacing: -.04em; text-decoration: none; }
.brand__mark { width: 28px; height: 28px; }
.header-nav { display: flex; gap: var(--space-5); }
.header-nav a { color: var(--muted); text-decoration: none; font-size: var(--text-sm); }
.header-nav a[aria-current] { color: var(--ink); font-weight: 700; }
.page-intro { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; column-gap: var(--space-5); padding-bottom: var(--space-4); }
.page-intro h1 { font-size: 28px; }
.page-intro .dataset-meta { grid-column: 2; grid-row: 1 / 3; padding-bottom: var(--space-3); }
.title-line { display: inline-block; }
.dataset-meta { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-5); margin-bottom: 0; color: var(--muted); font-size: var(--text-sm); font-variant-numeric: tabular-nums; }
.dataset-meta > span { white-space: nowrap; }
.dataset-meta strong { color: var(--ink); font-weight: 600; margin-left: var(--space-1); }

/* Compact filter strip; expanded controls stay in normal document flow. */
.filter-panel { padding-block: var(--space-4); border-block: 1px solid var(--line); }
.quick-filter-grid { display: grid; grid-template-columns: 180px minmax(320px, 420px) minmax(180px, 240px); gap: var(--space-5); align-items: end; }
.field { display: grid; gap: var(--space-2); min-width: 0; }
.field label, .field-label, .period-preset-filter legend { font-size: var(--text-sm); font-weight: 600; }
select, .selection-trigger, .insurer-search input { width: 100%; min-width: 0; min-height: var(--control-height); padding: var(--space-2) var(--space-3); border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--panel); font-size: var(--text-base); }
select { padding-right: var(--space-6); }
select:hover, .selection-trigger:hover { border-color: var(--accent); }
#insurance-type { font-weight: 600; border-color: var(--accent); background-color: var(--accent-soft); }
.period-preset-filter, .insurer-filter { border: 0; padding: 0; margin: 0; min-width: 0; }
.period-preset-filter legend { margin-bottom: var(--space-2); }
.period-controls { display: grid; grid-template-columns: minmax(0,3fr) minmax(0,1fr); gap: var(--space-1); }
.period-preset-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-1); }
.period-preset-option, .disclosure-button { display: flex; align-items: center; justify-content: center; min-width: 0; min-height: var(--control-height); padding: var(--space-2); border-radius: var(--radius-md); font-size: var(--text-base); white-space: nowrap; cursor: pointer; }
.period-preset-option { position: relative; color: var(--muted); background: var(--subtle); }
.period-preset-option input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.period-preset-option:has(input:checked) { color: var(--accent-dark); background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); font-weight: 700; }
.period-preset-option:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: var(--space-1); }
.selection-trigger { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); text-align: left; }
.selection-trigger::after { content: '+'; font-size: var(--text-heading); line-height: 1; }
.selection-trigger.is-open::after { content: '−'; }
.selection-trigger__summary { font-weight: 600; }
.disclosure-button { gap: var(--space-1); border: 1px solid var(--line); background: var(--panel); color: var(--muted); }
.disclosure-button.is-open { color: var(--accent-dark); border-color: var(--accent); }
.disclosure-button.is-custom { color: var(--accent-dark); border-color: var(--accent); background: var(--accent-soft); font-weight: 700; }
.disclosure-button.is-open .disclosure-button__icon { transform: rotate(180deg); }
.custom-period-panel, .insurer-picker-content { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--line); }
.filter-grid--custom { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); max-width: 600px; }
.picker-footer { display: flex; justify-content: flex-end; padding-top: var(--space-3); }
.selection-detail { margin: var(--space-1) 0 0; color: var(--accent-dark); font-size: var(--text-sm); }
.insurer-filter legend { font-weight: 700; }
.field-help { color: var(--muted); font-size: var(--text-sm); margin: var(--space-2) 0 var(--space-4); }
.insurer-search { max-width: 360px; display: grid; gap: var(--space-2); }
.insurer-search label { font-size: var(--text-sm); }
.insurer-toolbar { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); margin-block: var(--space-4); }
.selection-count { font-size: var(--text-sm); color: var(--muted); }
.toolbar-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.button { min-height: var(--control-height); padding: var(--space-2) var(--space-3); border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--ink); background: var(--panel); font-size: var(--text-sm); }
.button--primary { background: var(--accent); color: var(--panel); border-color: var(--accent); }
.button:hover { background: var(--accent-soft); color: var(--accent-dark); }
.insurer-options { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: var(--space-1) var(--space-5); max-height: 320px; overflow-y: auto; }
.insurer-option { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); padding-block: var(--space-2); border-bottom: 1px solid var(--subtle); }
.insurer-option__label { display: flex; flex: 1 1 auto; align-items: center; gap: var(--space-2); min-width: 0; min-height: var(--control-height); cursor: pointer; }
.insurer-option input { width: 16px; height: 16px; flex-shrink: 0; }
.insurer-option__name { word-break: keep-all; }
.insurer-option__only { flex-shrink: 0; min-height: var(--control-height); padding: var(--space-1); border: 1px solid transparent; border-radius: var(--radius-sm); background: transparent; color: var(--accent); font-size: var(--text-sm); }
.insurer-option__only:hover { border-color: var(--accent); }
.inline-message { color: var(--muted); font-size: var(--text-sm); margin: var(--space-3) 0 0; }
.inline-message--notice { color: var(--accent); }
.inline-message:empty, #insurer-search-status:empty { margin: 0; }

/* The plot and its interactive value list form one comparison surface. */
.explorer-grid { display: grid; grid-template-columns: minmax(0,1fr); border-bottom: 1px solid var(--line); }
.chart-panel { padding: var(--space-5) 0 var(--space-4); min-width: 0; }
.chart-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: var(--space-4); }
.chart-panel > .section-heading { grid-column: 1; }
.chart-panel > .chart-toolbar { grid-column: 2; grid-row: 1; align-self: center; }
.chart-panel > .chart-toolbar > span { display: none; }
.chart-panel > :not(.section-heading):not(.chart-toolbar) { grid-column: 1 / -1; }
.section-heading { margin-bottom: var(--space-4); }
.section-heading--inline { display: flex; justify-content: space-between; align-items: start; gap: var(--space-3); }
#chart-selection-summary, #latest-summary-period { font-size: var(--text-sm); color: var(--muted); margin-bottom: 0; }
.chart-toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); font-size: var(--text-xs); color: var(--muted); padding-bottom: var(--space-1); }
.chart-toolbar > span { white-space: nowrap; }
.chart-focus-controls { display: flex; align-items: center; gap: var(--space-2); min-width: 0; font-size: var(--text-sm); }
.chart-focus-controls label { white-space: nowrap; }
.chart-focus-controls select { max-width: 320px; }
.chart-focus-controls .button { flex: 0 0 auto; min-width: 44px; }
.chart-all-hidden { position: absolute; inset: var(--space-6) var(--space-5) var(--space-7); display: grid; align-content: center; justify-items: center; gap: var(--space-4); text-align: center; background: var(--page); }
.chart-detail { margin-top: var(--space-4); padding: var(--space-4); background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-md); font-size: var(--text-sm); scroll-margin-block: var(--space-4); }
.chart-detail__heading { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.chart-detail__heading strong { min-width: 0; word-break: keep-all; }
.chart-detail__heading button { flex: 0 0 auto; }
.chart-detail__period { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-2); }
.chart-detail__period label { white-space: nowrap; }
.chart-detail__period select { width: auto; min-width: 0; max-width: 100%; }
.chart-detail__values { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: var(--space-3); margin: var(--space-3) 0 0; }
.chart-detail__values dt { color: var(--muted); }
.chart-detail__values dd { margin: var(--space-1) 0 0; font-weight: 700; font-size: var(--text-lg); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.chart-region { min-width: 0; }
.chart-canvas-wrap { position: relative; width: 100%; height: var(--chart-height); }
.chart-canvas-wrap canvas { display: block; width: 100% !important; height: 100% !important; }
.chart-reference-note { position: relative; padding-left: var(--space-5); margin: var(--space-3) 0 var(--space-2); color: var(--muted); font-size: var(--text-sm); }
.chart-reference-note::before { content: ''; position: absolute; left: 0; top: 10px; width: 16px; border-top: 2px dashed var(--muted); }
.chart-help, .summary-help { color: var(--muted); font-size: var(--text-sm); margin: var(--space-2) 0 0; }
.chart-placeholder { display: grid; align-content: center; min-height: var(--chart-height); text-align: center; padding: var(--space-5); color: var(--muted); }
.chart-placeholder strong { font-size: var(--text-lg); color: var(--ink); }
.chart-placeholder p { margin: var(--space-2) 0 0; }
.chart-placeholder .button { justify-self: center; margin-top: var(--space-4); }
.latest-summary-panel { border-top: 1px solid var(--line); padding: var(--space-5) 0; min-width: 0; }
.summary-columns, .latest-summary-card { display: grid; grid-template-columns: minmax(0,1fr) 68px 76px; gap: var(--space-2); }
.summary-columns { padding: 0 var(--space-2) var(--space-2); color: var(--muted); font-size: var(--text-sm); border-bottom: 1px solid var(--line); }
.summary-columns span:not(:first-child) { text-align: right; }
.latest-summary-list { display: flex; flex-wrap: wrap; gap: 10px; }
.latest-summary-card { display: inline-flex; width: auto; max-width: 100%; align-items: center; gap: 12px; min-height: 46px; padding: 10px 16px; color: var(--ink); background: var(--panel); border: 1px solid var(--line); text-align: left; border-radius: 999px; font-variant-numeric: tabular-nums; transition: background .15s, border-color .15s, box-shadow .15s; }
.latest-summary-card:hover, .latest-summary-card:focus-visible { background: var(--accent-soft); border-color: var(--series-color); }
.latest-summary-card:focus-visible { outline-offset: 3px; }
.latest-summary-card.is-hidden, .latest-summary-card:disabled { color: var(--muted); opacity: 1; }
.latest-summary-card.is-hidden .latest-summary-card__name { text-decoration: line-through; }
.latest-summary-card.is-focused { background: color-mix(in srgb, var(--series-color) 10%, white); border-color: var(--series-color); box-shadow: 0 0 0 1px var(--series-color); }
.latest-summary-card[aria-pressed="true"] .latest-summary-card__name { font-weight: 750; }
.latest-summary-card { transition: transform .26s cubic-bezier(.2,.8,.2,1), background .25s, border-color .25s, box-shadow .25s; transform-origin: center; }
.latest-summary-card[aria-pressed="true"] { transform: translateY(-2px) scale(1.035); box-shadow: 0 0 0 1px var(--series-color), 0 5px 16px color-mix(in srgb, var(--series-color) 14%, transparent); }
.latest-summary-card__name { display: flex; align-items: center; gap: var(--space-2); min-width: 0; margin: 0; font-size: var(--text-sm); font-weight: 500; }
.latest-summary-card__name > span:last-child { word-break: keep-all; }
.insurer-color-dot { width: 14px; flex: 0 0 14px; text-align: center; font-size: var(--text-xs); line-height: 1; }
.latest-summary-card__rate { text-align: right; font-size: var(--text-base); font-weight: 700; white-space: nowrap; }
.latest-summary-card__average { color: var(--muted); font-size: 12px; white-space: nowrap; }
.latest-summary-card__change { display: none; }
.summary-help { padding-top: var(--space-2); }
.summary-period-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.summary-period-buttons button { padding: 8px 16px; min-height: 44px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); color: var(--muted); font: inherit; cursor: pointer; }
.summary-period-buttons button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); font-weight: 700; }
.summary-coverage { color: var(--muted); font-size: var(--text-sm); white-space: nowrap; }
#clear-chart-focus { border-radius: 999px; }
#clear-chart-focus[aria-pressed="true"] { color: var(--accent-dark); background: var(--accent-soft); border-color: var(--accent); }
.restore-lines { margin-top: var(--space-3); }
.select-control { position: relative; min-width: 0; }
.select-control__trigger { width: 100%; min-height: var(--control-height); display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--panel); text-align: left; transition: border-color .2s, box-shadow .2s; }
.select-control__trigger::after, .chevron { content: ''; width: 7px; height: 7px; flex: 0 0 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); transition: transform .2s; margin: -4px 3px 0; }
.select-control__trigger:hover, .select-control__trigger[aria-expanded="true"] { border-color: var(--accent); }
.select-control__trigger[aria-expanded="true"] { box-shadow: 0 0 0 3px var(--accent-soft); }
.select-control__trigger[aria-expanded="true"]::after { transform: rotate(225deg); margin-top: 4px; }
#insurance-type-trigger { color: var(--accent-dark); border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.select-control__menu { position: absolute; top: calc(100% + 8px); left: 0; width: 100%; min-width: 180px; z-index: 20; padding: 6px; max-height: 272px; overflow-y: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 12px 32px #192b351a; animation: menu-reveal .18s ease-out; }
#period-end-menu { left: auto; right: 0; }
.select-control__option { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 40px; padding: 8px 10px; border-radius: 6px; cursor: pointer; }
.select-control__option:hover, .select-control__option.is-active { background: var(--subtle); }
.select-control__option[aria-selected="true"] { color: var(--accent-dark); background: var(--accent-soft); font-weight: 650; }
.select-control__option[aria-selected="true"]::after { content: '✓'; }
.chart-detail { padding: 0; border-radius: 12px; border-color: color-mix(in srgb, var(--series-color) 35%, var(--line)); overflow: hidden; animation: menu-reveal .24s ease-out; }
.company-history > summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px; min-height: 76px; cursor: pointer; list-style: none; }
.company-history > summary:hover { background: var(--page); }
.company-history__heading { display: grid; gap: 4px; }
.company-history__heading strong { font-size: var(--text-lg); }
#company-history-range { color: var(--muted); font-size: var(--text-sm); }
.company-history__action { display: flex; align-items: center; gap: 12px; color: var(--accent); white-space: nowrap; font-weight: 600; }
.company-history .when-open, .company-history[open] .when-closed { display: none; }
.company-history[open] .when-open { display: inline; }
.company-history[open] .chevron { transform: rotate(225deg); }
.company-history__help { margin: 0 20px 16px; color: var(--muted); }
.company-history__list { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin: 0; padding: 0 20px 20px; }
.company-history__item { display: grid; gap: 8px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--page); }
.company-history[open] .company-history__item { animation: history-reveal .32s both cubic-bezier(.2,.8,.2,1); animation-delay: var(--reveal-delay); }
.company-history__period { color: var(--muted); font-size: var(--text-sm); }
.company-history__rate { font-size: 24px; color: var(--series-color); font-variant-numeric: tabular-nums; line-height: 1.25; }
.company-history__counts { display: grid; gap: 2px; color: var(--muted); font-size: 12px; }
.company-history__item.is-missing .company-history__rate { color: var(--muted); font-size: 18px; }
@keyframes menu-reveal { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
@keyframes history-reveal { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.latest-summary-empty { padding-block: var(--space-5); color: var(--muted); }

/* Supporting tables and methodology follow the primary comparison. */
.table-panel { padding-block: var(--space-5); border-bottom: 1px solid var(--line); }
.table-panel > .section-heading { display: none; }
.table-panel > .inline-message { margin: 0 0 var(--space-4); }
.data-details summary { display: flex; align-items: center; gap: var(--space-2); list-style: none; cursor: pointer; font-weight: 600; min-height: var(--control-height); }
.data-details summary::before { content: '+'; font-size: var(--text-heading); font-weight: 400; width: 20px; }
.data-details[open] summary::before { content: '−'; }
summary::-webkit-details-marker { display: none; }
.table-wrap { overflow-x: auto; margin-top: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.table-scroll-hint { display: none; }
.metrics-table { width: 100%; min-width: 760px; border-collapse: collapse; font-size: var(--text-sm); font-variant-numeric: tabular-nums; background: var(--panel); }
.metrics-table th, .metrics-table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--subtle); text-align: left; }
.metrics-table th { background: var(--subtle); color: var(--muted); }
.metrics-table th:nth-child(n+3), .metrics-table td:nth-child(n+3) { text-align: right; white-space: nowrap; }
.metrics-table tbody tr:hover { background: var(--page); }
.table-message { text-align: center !important; }
.cell-missing { color: var(--muted); }
.information-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-7); padding-top: var(--space-6); }
.information-card { min-width: 0; }
.information-card > .eyebrow { display: none; }
.information-card h2 { font-size: var(--text-lg); margin-bottom: var(--space-4); }
.definition-list { margin: 0; display: grid; gap: var(--space-3); font-size: var(--text-sm); }
.definition-list > div { display: grid; grid-template-columns: 116px minmax(0,1fr); gap: var(--space-4); }
.definition-list dt { color: var(--muted); }
.definition-list dd { margin: 0; overflow-wrap: anywhere; }
.source-details { border-top: 1px solid var(--line); margin-top: var(--space-5); padding-top: var(--space-4); }
.source-details summary { color: var(--accent); cursor: pointer; min-height: var(--control-height); }
.source-details__body { padding-top: var(--space-4); font-size: var(--text-sm); }
.source-company-notes { padding-left: var(--space-5); }
.source-company-notes li { margin-bottom: var(--space-3); }
.source-note { color: var(--muted); font-size: var(--text-sm); margin: var(--space-3) 0 0; }
.site-footer { border-top: 1px solid var(--line); padding-block: var(--space-5); }
.site-footer p { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-5); color: var(--muted); font-size: var(--text-sm); margin: 0; }
.site-footer strong { font-size: var(--text-lg); color: var(--ink); }
.site-footer p span:last-child { margin-left: auto; }
.skip-link { position: fixed; top: var(--space-2); left: var(--space-2); z-index: 10; background: var(--ink); color: var(--panel); padding: var(--space-3) var(--space-4); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.state-card, .inline-empty { border: 1px solid var(--line); background: var(--panel); padding: var(--space-5); margin-block: var(--space-5); border-radius: var(--radius-md); }
.state-card p, .inline-empty { color: var(--muted); }
.inline-empty { display: grid; gap: var(--space-2); }
.state-card--error { background: var(--danger-soft); }
.state-card__icon { color: var(--danger); font-size: var(--text-heading); }
.loading-indicator { display: block; width: 20px; height: 20px; margin-bottom: var(--space-4); border: 2px solid var(--line); border-top-color: var(--accent); border-radius: var(--radius-round); animation: spin 1s linear infinite; }
.noscript-message { padding: var(--space-6); }
.initial-data { padding-block: var(--space-4); border-block: 1px solid var(--line); }
.initial-data > p { color: var(--muted); }
.initial-data .data-details { margin-top: var(--space-5); }
.initial-data caption { text-align: left; padding: var(--space-3); font-weight: 600; }
.initial-data tbody th { background: var(--panel); text-align: left; font-weight: 500; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (min-width: 1500px) {
  :root { --chart-height: 520px; }
}
@media (max-width: 1050px) {
  .page-width { width: calc(100% - 48px); }
  .quick-filter-grid { grid-template-columns: 150px minmax(300px,1fr) 180px; gap: var(--space-4); }
  .explorer-grid { grid-template-columns: minmax(0,1fr); }
  .information-grid { gap: var(--space-5); }
}
@media (max-width: 800px) {
  .page-intro { display: block; }
  .page-intro .dataset-meta { padding-bottom: 0; }
  .quick-filter-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .field--insurer { grid-column: 2; grid-row: 1; }
  .period-preset-filter { grid-column: 1 / -1; }
  .explorer-grid { grid-template-columns: 1fr; }
  .chart-panel { padding-right: 0; }
  .latest-summary-panel { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .latest-summary-list { max-height: none; overflow: visible; }
  .insurer-options { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .information-grid { grid-template-columns: 1fr; gap: var(--space-6); }
}
@media (max-width: 480px) {
  :root { --text-sm: 14px; --text-title: 24px; --control-height: 44px; --chart-height: 340px; }
  .page-width { width: calc(100% - 32px); }
  .page-shell { padding-top: var(--space-5); }
  .site-header__inner { min-height: 56px; }
  .header-nav { gap: var(--space-3); }
  .header-nav a:first-child { display: none; }
  .brand { font-size: var(--text-heading); }
  .page-intro { padding-bottom: var(--space-4); }
  .page-intro h1 { font-size: var(--text-title); }
  .title-line { display: inline; }
  .dataset-meta { gap: var(--space-1) var(--space-3); font-size: 12px; }
  .quick-filter-grid { gap: var(--space-3); }
  .field, .period-preset-filter legend { gap: var(--space-1); }
  .period-preset-filter legend { margin-bottom: var(--space-1); }
  .period-preset-option, .disclosure-button { padding-inline: var(--space-1); }
  .chart-panel { padding-block: var(--space-4); }
  .chart-panel .section-heading { margin-bottom: var(--space-2); }
  .chart-focus-controls { gap: var(--space-1); }
  .chart-focus-controls select { max-width: 160px; padding-left: var(--space-2); }
  .chart-detail { padding: 0; }
  .company-history > summary { align-items: start; padding: 16px; gap: 12px; }
  .company-history__action { font-size: 12px; gap: 8px; padding-top: 4px; }
  .company-history__help { margin-inline: 16px; }
  .company-history__list { grid-template-columns: repeat(2, minmax(0,1fr)); padding: 0 12px 12px; gap: 8px; }
  .company-history__item { padding: 12px; }
  .chart-detail__values { gap: var(--space-2); }
  .chart-reference-note, .chart-help { font-size: var(--text-sm); }
  .latest-summary-card, .summary-columns { grid-template-columns: minmax(0,1fr) 70px 76px; }
  .latest-summary-card { padding: 10px 12px; gap: 8px; }
  .latest-summary-list { gap: 8px; }
  .latest-summary-card__name { gap: var(--space-1); }
  .insurer-options { grid-template-columns: 1fr; }
  .insurer-toolbar { align-items: start; flex-direction: column; }
  .toolbar-actions { gap: var(--space-1); }
  .button { padding-inline: var(--space-2); }
  .table-scroll-hint { display: block; margin: var(--space-3) 0 0; color: var(--muted); font-size: var(--text-sm); }
  .definition-list > div { grid-template-columns: 100px minmax(0,1fr); gap: var(--space-3); }
  .site-footer p span:last-child { flex-basis: 100%; margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .latest-summary-card[aria-pressed="true"] { transform: none; }
}