/* Consistent interface typography. Shared colors retain accessible text contrast. */
:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #4b5563;
  --link: #0369a1;
  --line: #e5e7eb;
  --paper: #ffffff;
  --canvas: #f9fafb;
  --stripe: #f5f5f5;
  --hover: #eef2f7;
  --badge-ink: #724206;
  --badge-bg: #fff0cd;
  --badge-line: #e6d4aa;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: auto; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 1184px; margin: auto; padding: 48px 36px 32px; }
a { color: var(--link); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--link); outline-offset: 4px; }
.skip { position: absolute; left: 16px; top: -100px; background: var(--paper); padding: 12px; z-index: 2; }
.skip:focus { top: 10px; }
main > header { padding-bottom: 8px; }
.eyebrow { margin: 0; color: var(--muted); font-size: .7rem; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
h1 { margin: 16px 0 12px; font: 600 clamp(1.95rem, 3.6vw, 3.1rem)/1.16 system-ui, -apple-system, "Segoe UI", sans-serif; letter-spacing: -.035em; }
h2 { margin: 0 0 12px; font-size: 1.25rem; font-weight: 650; line-height: 1.4; letter-spacing: -.025em; }
h3 { margin: 0; }
.intro { margin: 0 0 18px; color: var(--muted); font-size: 1.02rem; }
.scope { margin: 0; color: var(--muted); font-size: .78rem; font-weight: 500; }
.muted, .sub, .scroll-note { color: var(--muted); }
.muted { font-size: .85rem; }
.sub { display: block; margin-top: 6px; font-size: .74rem; font-weight: 400; line-height: 1.55; }
.tabs { display: flex; gap: 28px; max-width: 100%; margin: 24px 0 28px; padding: 0; border-bottom: 1px solid var(--line); }
.tabs a { padding: 10px 0; border-bottom: 2px solid transparent; color: var(--muted); font-size: .85rem; font-weight: 600; text-decoration: none; }
.tabs a:hover { color: var(--ink); }
.tabs a[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--link); }
section { margin-bottom: 34px; }
.section-heading { display: flex; align-items: baseline; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }
.result-unit { margin-left: auto; color: var(--muted); font-size: .8rem; }
#results > p:not(.scroll-note), #evidence > p { margin: 0 0 20px; color: var(--muted); font-size: .85rem; }
.status { display: inline-block; padding: 3px 8px; border: 1px solid var(--badge-line); border-radius: 4px; color: var(--badge-ink); background: var(--badge-bg); font-size: .68rem; font-weight: 650; white-space: nowrap; }
.table-scroll { overflow-x: auto; max-width: 100%; margin-bottom: 28px; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); }
table { width: 100%; min-width: 1010px; border-collapse: collapse; table-layout: fixed; text-align: right; font-variant-numeric: tabular-nums; }
.system-col { width: 260px; }
.mean-col { width: 90px; }
.domain-col { width: 105px; }
.status-col { width: 135px; }
th, td { padding: 8px 16px; border-top: 1px solid var(--line); border-right: 1px solid var(--line); white-space: nowrap; }
thead th { padding-top: 14px; padding-bottom: 14px; border-top: 0; background: var(--paper); color: var(--muted); font-size: .82rem; font-weight: 600; }
th:first-child { padding-left: 22px; text-align: left; }
tbody th { overflow-wrap: anywhere; white-space: normal; font-size: .875rem; font-weight: 600; }
tbody th a { text-decoration: none; }
tbody th a:hover { text-decoration: underline; }
td { font-size: .88rem; }
.mean { font-weight: 700; }
tbody tr:hover th, tbody tr:hover td { background: var(--hover); }
.scroll-note { margin: -16px 0 24px; font-size: .75rem; }
.interpretation { padding: 22px 0 0; border-top: 1px solid var(--line); }
.interpretation .eyebrow { margin-bottom: 5px; }
.interpretation h3 { margin-bottom: 22px; font: 600 1.3rem/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; letter-spacing: -.015em; }
dl { margin: 0; }
dl > div { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 20px; padding: 12px 0; border-top: 1px solid var(--line); }
dt { font-size: .8rem; font-weight: 650; }
dd { margin: 0; overflow-wrap: anywhere; font-size: .82rem; }
.methodology { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.methodology > div { display: block; padding-top: 14px; }
.methodology dt { margin-bottom: 9px; }
.methodology dd { color: var(--muted); font-size: .82rem; line-height: 1.8; }
.contender { margin: 18px 0; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.contender-header { padding: 20px 24px 16px; }
.contender h3 { font: 600 1.5rem/1.3 system-ui, -apple-system, "Segoe UI", sans-serif; letter-spacing: -.025em; }
.contender-header > p { max-width: 880px; margin: 10px 0; font-size: .9rem; }
.contender .reference { margin-bottom: 12px; padding-left: 14px; border-left: 2px solid var(--line); color: var(--muted); font-size: .79rem; line-height: 1.8; }
.contender .reference a { text-decoration: none; }
.contender .reference a:hover { text-decoration: underline; }
.contender .release { margin-bottom: 0; color: var(--muted); font-size: .76rem; }
.contender .release a { color: var(--muted); text-decoration-color: var(--line); }
details { scroll-margin-top: 20px; }
.contender details { border-top: 1px solid var(--line); }
summary { padding: 10px 20px; color: var(--link); background: var(--paper); cursor: pointer; font-size: .8rem; font-weight: 600; }
summary:hover { text-decoration: underline; text-underline-offset: 3px; }
summary span { float: right; color: var(--muted); font-size: .75rem; font-weight: 400; }
.detail-body { padding: 0 24px 20px; }
.detail-body > p { margin: 18px 0; font-size: .85rem; }
#reproduce > p { max-width: 880px; font-size: .9rem; }
#reproduce > section { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
#reproduce > section p { max-width: 880px; font-size: .85rem; }
.downloads { display: grid; gap: 9px; margin: 20px 0; padding: 0; list-style: none; }
.downloads a { display: inline-flex; align-items: center; gap: 9px; padding: 2px 0; font-size: .85rem; text-decoration: none; }
.download-icon { width: 16px; height: 16px; flex: 0 0 16px; }
.downloads a:hover { text-decoration: underline; }
code { overflow-wrap: anywhere; font-size: .85em; }
footer { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; }
footer p { margin: 6px 0; }
@media (min-width: 1100px) { .scroll-note { display: none; } }
@media (max-width: 800px) { .methodology { grid-template-columns: 1fr; gap: 16px; } }
@media (max-width: 600px) {
  main { padding: 26px 18px; }
  h1 { margin-top: 14px; }
  .scope { font-size: .72rem; }
  .tabs { width: 100%; gap: 22px; margin: 22px 0 24px; }
  .tabs a { padding: 9px 0; font-size: .78rem; }
  table { width: 920px; min-width: 920px; }
  .system-col { width: 170px; }
  th:first-child { padding-left: 16px; }
  th, td { padding-top: 9px; padding-bottom: 9px; }
  .interpretation { padding-top: 18px; }
  .interpretation h3 { font-size: 1.15rem; }
  .section-heading { gap: 8px; margin-bottom: 8px; }
  .contender-header { padding: 18px 16px 14px; }
  .contender h3 { font-size: 1.35rem; }
  summary { padding: 9px 16px; }
  summary span { float: none; display: block; margin: 4px 0 0 15px; }
  .detail-body { padding: 0 16px 16px; }
  dl > div { grid-template-columns: 1fr; gap: 4px; }
  .downloads { grid-template-columns: 1fr; }
}

/* Host query compatibility and native OS preference, without parent-page access. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f3f4f6;
  --muted: #c2c9d3;
  --link: #7dd3fc;
  --line: #374151;
  --paper: #111827;
  --canvas: #0b111c;
  --stripe: #192230;
  --hover: #253449;
  --badge-ink: #fde68a;
  --badge-bg: #382b16;
  --badge-line: #765b23;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ink: #f3f4f6;
    --muted: #c2c9d3;
    --link: #7dd3fc;
    --line: #374151;
    --paper: #111827;
    --canvas: #0b111c;
    --stripe: #192230;
    --hover: #253449;
    --badge-ink: #fde68a;
    --badge-bg: #382b16;
    --badge-line: #765b23;
  }
}
tbody tr:nth-child(odd) { background: var(--stripe); }
th:last-child, td:last-child { border-right: 0; }
.header-tools { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.theme-control { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: .75rem; }
.theme-control select { padding: 5px 8px; border: 1px solid var(--line); border-radius: 5px; color: var(--ink); background: var(--paper); font: inherit; }
select:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; }

/* Compact provisional ranks and decorative reference-style score fills. */
.rank-col { width: 80px; }
table { min-width: 1090px; }
.rank { text-align: center; color: var(--muted); font-size: .8rem; }
tbody th { text-align: left; padding-left: 16px; }
.column-label { display: inline-flex; align-items: center; justify-content: flex-end; gap: 5px; }
.column-info { display: inline-grid; place-items: center; width: 14px; height: 14px; padding: 0; border: 1px solid currentColor; border-radius: 50%; color: var(--muted); background: transparent; font: 600 9px/1 system-ui; cursor: pointer; }
.column-info:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; }
.column-info:hover, .column-info[aria-expanded="true"] { color: var(--link); }
.column-help { margin: 0 0 14px; padding: 10px 0; color: var(--ink); font-size: .82rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metric { position: relative; font-weight: 400; }
.metric-bar { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .19; pointer-events: none; }
.score-value { position: relative; z-index: 1; }
.percent { margin-left: 2px; color: var(--muted); font-size: .8em; font-weight: 400; }
.metric strong { font-weight: 750; }
@media (max-width: 600px) {
  table { width: 940px; min-width: 940px; }
  .rank-col { width: 56px; }
  .system-col { width: 128px; }
  .mean-col { width: 90px; }
  .rank { padding-left: 6px; padding-right: 6px; }
  .column-label { gap: 3px; }
}

@media(max-width:600px){thead th:first-child{padding-left:6px;padding-right:6px}.column-label{white-space:normal}thead th{font-size:.72rem}}

thead th:nth-child(2) { text-align: left; }

/* Keep row identity and provenance separate; metadata no longer adds a second line. */
table { min-width: 1260px; }
.system-col { width: 180px; }
.configuration-col { width: 260px; }
tbody th { white-space: nowrap; font-size: .82rem; padding-left: 12px; padding-right: 12px; }
.configuration { white-space: nowrap; color: var(--muted); font-size: .75rem; text-align: left; }
thead th:nth-child(3) { text-align: left; }
@media (max-width: 600px) {
  table { width: 1200px; min-width: 1200px; }
  .system-col { width: 128px; }
}

@media(min-width:1280px){main{max-width:1344px}}

/* Align metric labels, percentages and values to the same leading edge. */
thead th:nth-child(n+4):nth-child(-n+9), td.metric { text-align: left; }
thead th:nth-child(n+4):nth-child(-n+9) .column-label { justify-content: flex-start; }
