:root {
  color-scheme: light dark;
  --bg: #fff;
  --fg: #202a30;
  --muted: #59676f;
  --surface: #f5f8f7;
  --border: #d7e0dd;
  --accent: #13795d;
  --accent-bg: #edf7f3;
  --bad: #a6293a;
  --bad-bg: #fff0f1;
  --button-fg: #fff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101719;
    --fg: #e1e9e7;
    --muted: #9baaa6;
    --surface: #182224;
    --border: #31413d;
    --accent: #2ec7a6;
    --accent-bg: #142d28;
    --bad: #ffa1ad;
    --bad-bg: #362026;
    --button-fg: #10231d;
  }
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--fg); background: var(--bg); font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
[hidden] { display: none !important; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 30px 30px 24px; }
a { color: var(--accent); text-underline-offset: 3px; }
button, select, textarea { font: inherit; }
button, select { cursor: pointer; }
button, select, textarea { color: var(--fg); }
button:disabled { opacity: .5; cursor: default; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, h4, p { margin: 0; }
h1 { margin-top: 35px; font-size: clamp(28px, 3.7vw, 42px); line-height: 1.2; font-weight: 620; letter-spacing: -.035em; }
h2 { font-size: 20px; line-height: 1.4; font-weight: 620; letter-spacing: -.015em; }
h3 { font-size: 17px; font-weight: 620; }
h4 { font-size: 14px; font-weight: 650; }
p + p { margin-top: 7px; }
.intro { margin-top: 14px; max-width: 720px; font-size: 16px; color: var(--muted); }
.masthead { display: flex; align-items: center; gap: 20px; min-height: 30px; }
.brand { color: var(--fg); font-weight: 750; font-size: 20px; letter-spacing: -.04em; text-decoration: none; }
.brand::before { content: ""; display: inline-block; width: 9px; height: 9px; background: var(--accent); margin-right: 9px; border-radius: 2px; }
.edition { color: var(--muted); font-size: 12px; }
.source-link { margin-left: auto; font-size: 13px; }
.tabs { display: flex; gap: 4px; margin: 32px 0 26px; border-bottom: 1px solid var(--border); }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: transparent; padding: 12px 17px; color: var(--muted); font-size: 14px; white-space: nowrap; }
.tabs button[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); font-weight: 650; }
.tabs button:first-child { padding-left: 0; padding-right: 20px; }
.toolbar, .table-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.toolbar { margin-bottom: 20px; }
.table-toolbar { margin: 23px 0 12px; }
.select-label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }
select { border: 1px solid var(--border); background: var(--bg); padding: 6px 30px 6px 9px; border-radius: 5px; min-height: 36px; font-size: 13px; }
.inline-label { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.eyebrow { color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: .035em; text-transform: uppercase; }
.metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--border); border-radius: 7px; overflow: hidden; margin-bottom: 20px; }
.metrics > div { display: grid; gap: 2px; padding: 17px 22px; }
.metrics > div + div { border-left: 1px solid var(--border); }
.metrics strong { font-size: 29px; line-height: 1.25; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
.metrics span { color: var(--muted); font-size: 12px; }
.finding { background: var(--surface); border-left: 3px solid var(--accent); padding: 14px 18px; }
.finding > p:first-of-type { margin-top: 4px; max-width: 850px; }
.table-wrap { border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th { padding: 10px 16px; color: var(--muted); font-size: 11px; font-weight: 650; background: var(--surface); }
td { padding: 13px 16px; border-top: 1px solid var(--border); vertical-align: middle; font-size: 13px; }
td:first-child { width: 38%; }
td .secondary { display: block; font-size: 11px; color: var(--muted); margin-top: 3px; }
tr.selected { background: var(--accent-bg); }
.case-button { background: transparent; border: 0; color: var(--fg); text-align: left; padding: 0; font-weight: 600; font-size: 13px; }
.case-button:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.status { display: inline-block; border-radius: 4px; padding: 3px 7px; line-height: 1.4; font-size: 11px; white-space: nowrap; background: var(--surface); color: var(--muted); }
.status.good { color: var(--accent); background: var(--accent-bg); }
.status.bad { color: var(--bad); background: var(--bad-bg); }
.observation { font-size: 11px; color: var(--muted); }
.observation.changed { color: var(--accent); font-weight: 600; }
.detail { margin-top: 16px; padding: 17px 18px; border: 1px solid var(--border); border-radius: 7px; }
.detail .toolbar { margin-bottom: 10px; }
.detail-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; margin-top: 16px; }
.detail-column h4 { margin-bottom: 9px; }
.call { border-top: 1px solid var(--border); padding: 10px 0; }
.call-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 12px; }
.call p, .call li { font-size: 12px; }
.check-list { padding-left: 17px; margin: 7px 0; }
.check-list li { margin: 3px 0; color: var(--bad); }
.diagnostic { margin-top: 8px; padding: 8px 10px; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--surface); border-radius: 4px; font: 11px/1.6 var(--mono); }
.provenance { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 22px 0 9px; }
.provenance p { font-size: 12px; margin-top: 4px; }
.separator { padding: 0 8px; color: var(--muted); }
.download-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.button { display: inline-block; padding: 7px 11px; border: 1px solid var(--border); border-radius: 5px; background: var(--bg); color: var(--fg); text-decoration: none; font-size: 12px; line-height: 1.5; font-weight: 550; }
.button:hover { background: var(--surface); }
.button.primary { background: var(--accent); color: var(--button-fg); border-color: var(--accent); padding: 9px 16px; }
.button.primary:hover { filter: brightness(.94); }
.text-button { border: 0; padding: 0; background: none; color: var(--accent); font: inherit; text-decoration: underline; text-underline-offset: 3px; }
.notice, .error-box { margin: 14px 0; padding: 12px 15px; border-radius: 5px; background: var(--surface); color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.error-box { color: var(--bad); background: var(--bad-bg); border: 1px solid var(--bad); }
details { margin-top: 20px; }
summary { cursor: pointer; font-size: 13px; color: var(--muted); padding: 7px 0; }
details[open] summary { color: var(--fg); }
.metadata-block { padding-top: 8px; }
.metadata-block > div { margin-top: 10px; }
.metadata-block h4 { margin: 17px 0 8px; }
.metadata-block table { border: 1px solid var(--border); }
.metadata-block td:first-child { width: auto; }
.identity-grid { display: grid; grid-template-columns: 155px minmax(0, 1fr); gap: 6px 12px; margin: 12px 0; font-size: 12px; }
.identity-grid dt { color: var(--muted); }
.identity-grid dd { margin: 0; overflow-wrap: anywhere; }
code { font-family: var(--mono); font-size: .93em; overflow-wrap: anywhere; }
.hash-line { display: grid; grid-template-columns: 65px minmax(0, 1fr); gap: 12px; font-size: 11px; color: var(--muted); margin-top: 12px; }
.hash-line code { overflow-wrap: anywhere; }
.drop-zone { text-align: center; padding: 25px 18px; margin: 22px 0 16px; border: 1px dashed var(--border); border-radius: 7px; background: var(--surface); }
.drop-zone.over { border-color: var(--accent); background: var(--accent-bg); }
.drop-zone > p:first-child { font-size: 15px; margin-bottom: 12px; }
.drop-zone > p:last-child { margin-top: 10px; }
.file-input { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; }
.drop-zone:focus-within .file-label { outline: 2px solid var(--accent); outline-offset: 3px; }
textarea { display: block; width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 5px; padding: 10px; margin: 8px 0 10px; resize: vertical; font: 12px/1.5 var(--mono); }
.report-heading { margin-top: 24px; }
.report-heading h3 { margin: 4px 0; overflow-wrap: anywhere; }
.report-heading .status { margin-top: 4px; }
.local-download { margin: 23px 0 30px; padding: 20px; border: 1px solid var(--border); border-radius: 7px; }
.local-download p { margin-top: 8px; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font: 12px/1.75 var(--mono); background: var(--surface); border: 1px solid var(--border); border-radius: 5px; padding: 16px; margin: 16px 0 10px; }
#copy-status { min-height: 20px; margin: 8px 0; }
.method { border-top: 1px solid var(--border); margin-top: 27px; padding-top: 20px; }
.method ul { padding-left: 20px; font-size: 13px; }
.method li { margin: 5px 0; }
footer { display: flex; justify-content: space-between; align-items: baseline; gap: 15px; padding-top: 20px; margin-top: 34px; border-top: 1px solid var(--border); color: var(--muted); font-size: 11px; }
footer p + p { margin: 0; }
.skip, .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip:focus { clip-path: none; width: auto; height: auto; margin: 0; padding: 8px 12px; background: var(--bg); z-index: 10; }
@media (max-width: 650px) {
  .wrap { padding: 20px 16px; }
  .edition { display: none; }
  h1 { margin-top: 27px; }
  .intro { font-size: 14px; }
  .tabs { margin-top: 24px; gap: 0; justify-content: space-between; }
  .tabs button { font-size: 12px; padding: 10px 8px; }
  .tabs button:first-child { padding-right: 8px; }
  .toolbar { align-items: flex-start; flex-wrap: wrap; gap: 12px; }
  .toolbar .select-label { width: 100%; }
  .toolbar select { width: 100%; }
  h2 { font-size: 18px; }
  .metrics > div { padding: 13px 11px; }
  .metrics strong { font-size: 25px; }
  .metrics span { font-size: 10px; line-height: 1.4; max-width: 92px; }
  .finding { padding: 13px 14px; font-size: 13px; }
  .table-toolbar { flex-wrap: wrap; gap: 8px; }
  .table-toolbar > p { width: 100%; }
  #comparison-table thead, #report-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  #comparison-table tr, #report-table tr { display: block; padding: 12px 13px; border-top: 1px solid var(--border); }
  #comparison-table tr:first-child, #report-table tr:first-child { border-top: 0; }
  #comparison-table td, #report-table td { display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; padding: 4px 0; border: 0; }
  #comparison-table td:first-child, #report-table td:first-child { display: block; padding-bottom: 9px; }
  #comparison-table td:not(:first-child)::before, #report-table td:not(:first-child)::before { content: attr(data-label); color: var(--muted); font-size: 11px; }
  .detail-columns { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .provenance { flex-wrap: wrap; gap: 12px; }
  .metadata-block .table-wrap { overflow: auto; }
  .metadata-block table { min-width: 470px; }
  .identity-grid { grid-template-columns: 110px minmax(0, 1fr); }
  footer { flex-direction: column; gap: 8px; margin-top: 26px; }
}
@media (prefers-reduced-motion: no-preference) {
  a, button { transition: color 100ms, background-color 100ms; }
}