:root {
  --bg: oklch(0.975 0.008 80);
  --surface: oklch(1 0 0);
  --text: oklch(0.22 0.025 255);
  --muted: oklch(0.43 0.025 255);
  --accent: oklch(0.44 0.14 255);
  --accent-text: oklch(1 0 0);
  --border: oklch(0.83 0.015 255);
  --focus: oklch(0.48 0.2 255);
  --relevant-bg: oklch(0.9 0.075 145);
  --relevant-text: oklch(0.27 0.09 145);
  --irrelevant-bg: oklch(0.91 0.055 25);
  --irrelevant-text: oklch(0.3 0.11 25);
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 100%;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-width: 0; }
a { color: var(--accent); text-underline-position: from-font; text-decoration-thickness: from-font; }
a:hover { text-decoration-thickness: 0.14em; }
h1, h2 { line-height: 1.15; text-wrap: balance; overflow-wrap: anywhere; }
h1 { font-size: clamp(1.75rem, 5vw, 2.5rem); letter-spacing: -0.025em; }
h2 { font-size: 1.25rem; }
p { text-wrap: pretty; }
button, input, select { font: inherit; font-size: 1rem; }
button, .button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  color: var(--text);
  background: var(--surface);
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  max-width: 100%;
  min-width: 0;
  overflow-wrap: anywhere;
  text-align: center;
  touch-action: manipulation;
}
button:hover, .button:hover { box-shadow: 0 2px 8px oklch(0 0 0 / 0.12); text-decoration: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.primary { background: var(--accent); color: var(--accent-text); border-color: transparent; }
.secondary { background: transparent; }
.relevant { background: var(--relevant-bg); color: var(--relevant-text); border-color: transparent; }
.irrelevant { background: var(--irrelevant-bg); color: var(--irrelevant-text); border-color: transparent; }
.skip-link { position: absolute; inset-block-start: 0.5rem; inset-inline-start: -100vw; z-index: 10; padding: 0.75rem; background: var(--surface); }
.skip-link:focus { inset-inline-start: 0.5rem; }
.site-header { padding: 0.75rem max(1rem, env(safe-area-inset-left)); background: var(--surface); box-shadow: 0 1px 8px oklch(0 0 0 / 0.08); }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; }
.nav a { max-width: 100%; min-width: 0; overflow-wrap: anywhere; }
.nav form { margin: 0; }
.link-button { min-height: 2.5rem; padding: 0; border: 0; color: var(--accent); text-decoration: underline; background: transparent; box-shadow: none; font-weight: 500; }
.user-name { margin: 0.5rem 0 0; color: var(--muted); overflow-wrap: anywhere; }
.container { width: min(100% - 2rem, 68rem); margin-inline: auto; padding-block: 2rem 4rem; }
.container:has(.review-modes) { width: min(100% - 2rem, 120rem); }
.page-heading { max-width: 65ch; margin-block-end: 2rem; }
.page-heading p { color: var(--muted); }
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: 1rem; }
.category-card, .product-card, .empty-state, .auth-card, .stack-form, .progress-panel {
  padding: 1.25rem;
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 1px 3px oklch(0 0 0 / 0.08), 0 8px 24px oklch(0 0 0 / 0.05);
}
.category-card > :first-child, .empty-state > :first-child, .auth-card > :first-child { margin-block-start: 0; }
.category-card > :last-child, .empty-state > :last-child { margin-block-end: 0; }
progress { width: 100%; min-width: 0; accent-color: var(--accent); }
.numbers { font-variant-numeric: tabular-nums; }
.filters { display: flex; flex-wrap: wrap; align-items: end; gap: 0.75rem; margin-block-end: 1.5rem; }
.filters label { width: 100%; font-weight: 650; }
.filters select { min-height: 2.75rem; max-width: 100%; padding: 0.5rem; border: 1px solid var(--border); border-radius: 0.5rem; background: var(--surface); }
.progress-panel { margin-block-end: 1.5rem; }
.progress-panel p { margin-block-start: 0; }
.labeling-controls { margin-block-end: 0.75rem; }
.labeling-controls > summary, .product-params-more > summary { min-block-size: 2.75rem; padding-block: 0.5rem; color: var(--accent); font-weight: 650; cursor: pointer; overflow-wrap: anywhere; }
.labeling-controls[open] > summary { margin-block-end: 0.75rem; }
.query-heading { max-width: 65ch; margin-block-end: 0.75rem; scroll-margin-block-start: 1rem; }
.query-heading > * { margin-block: 0; }
.query-highlight { margin-block-start: 0.5rem; padding: 1rem 1.25rem; border-radius: 1rem; background: oklch(0.94 0.03 255); }
.query-highlight > * { margin-block: 0; }
.query-highlight .eyebrow { margin-block-end: 0.25rem; color: var(--accent); }
.product-card { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; }
.product-sidebar { display: contents; }
.product-media img, .image-placeholder { display: block; inline-size: 100%; max-block-size: 40vh; border-radius: 0.75rem; object-fit: contain; outline: 1px solid oklch(0 0 0 / 0.1); }
.image-placeholder { min-height: 12rem; align-content: center; text-align: center; color: var(--muted); background: var(--bg); }
.product-summary { min-inline-size: 0; overflow-wrap: anywhere; }
.product-summary p { margin-block: 0.75rem 0; }
.product-summary p:first-child { margin-block-start: 0; }
.product-copy { min-width: 0; overflow-wrap: anywhere; }
.product-copy > :first-child { margin-block-start: 0; }
.product-copy h2 { font-size: clamp(1.35rem, 4vw, 2rem); }
.product-description { max-block-size: 12rem; overflow: auto; white-space: pre-wrap; }
.product-params { display: grid; }
.product-params > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: 1rem; padding-block: 0.65rem; border-block-end: 1px solid var(--border); }
.product-params dt { color: var(--muted); }
.product-params dd { max-block-size: 8rem; overflow: auto; margin: 0; white-space: pre-wrap; }
.eyebrow { margin-block-end: 0.25rem; color: var(--muted); font-size: 0.875rem; font-weight: 650; }
.label-status { font-weight: 700; }
.actions {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 0.5rem;
  margin: 0;
  padding-block: 0.75rem max(0.75rem, env(safe-area-inset-bottom));
  position: sticky;
  inset-block-end: 0;
  order: 1;
  z-index: 1;
  background: var(--surface);
  box-shadow: 0 -8px 16px oklch(0 0 0 / 0.08);
  border-block-start: 1px solid var(--border);
}
.actions button { flex-wrap: wrap; gap: 0.25rem; padding-inline: 0.25rem; font-size: clamp(0.75rem, 3.4vw, 0.875rem); overflow-wrap: normal; word-break: keep-all; }
.actions button > span { min-inline-size: 0; }
.actions button > span:not([aria-hidden]) { flex-basis: 100%; }
.actions button > [aria-hidden] { order: 1; }
.actions kbd { order: 1; }
@media (hover: none) { .actions kbd { display: none; } }
.query-overview { margin-block-start: 2rem; }
.query-table, .leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  overflow-wrap: anywhere;
  background: var(--surface);
  box-shadow: 0 1px 3px oklch(0 0 0 / 0.08), 0 8px 24px oklch(0 0 0 / 0.05);
}
.query-table th, .query-table td, .leaderboard-table th, .leaderboard-table td { padding: 0.75rem; border-block-end: 1px solid var(--border); text-align: start; vertical-align: middle; }
.query-table th, .leaderboard-table th { font-size: 0.875rem; }
.leaderboard-table { table-layout: fixed; }
.leaderboard-table th:first-child { width: 20%; }
.leaderboard-table th:last-child { width: 30%; }
.leaderboard-table .is-current { background: var(--bg); font-weight: 650; }
.leaderboard-table .is-agent { color: var(--muted); }
.query-table tr[id] { scroll-margin-block-start: 1rem; }
.query-table tr:target { outline: 3px solid var(--focus); outline-offset: -3px; }
.query-table .is-current { background: var(--bg); outline: 2px solid var(--accent); outline-offset: -2px; }
.thumbnail-cell { inline-size: 2.75cm; }
.query-thumbnail, .thumbnail-placeholder {
  display: block;
  inline-size: 2cm;
  max-inline-size: 2cm;
  block-size: 2cm;
  max-block-size: 2cm;
  object-fit: contain;
}
.query-thumbnail { outline: 1px solid oklch(0 0 0 / 0.1); outline-offset: -1px; }
.thumbnail-placeholder { align-content: center; color: var(--muted); background: var(--bg); font-size: 0.75rem; text-align: center; }
.query-status { display: inline-block; padding: 0.25rem 0.5rem; border-radius: 0.4rem; font-weight: 650; }
.status-relevant { color: var(--relevant-text); background: var(--relevant-bg); }
.status-irrelevant { color: var(--irrelevant-text); background: var(--irrelevant-bg); }
.status-unlabeled, .status-deferred { color: var(--muted); background: var(--bg); }
.status-deferred { border: 1px dashed var(--muted); }
.query-row-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.query-row-actions button { min-inline-size: 2.75rem; padding-inline: 0.75rem; }
.query-row-actions .is-selected { box-shadow: 0 0 0 2px currentColor; }
kbd { padding: 0.1rem 0.35rem; border: 1px solid currentColor; border-radius: 0.3rem; font: inherit; font-size: 0.8em; }
.stack-form, .auth-card { max-width: 38rem; }
.stack-form { display: grid; gap: 0.75rem; }
.stack-form p { margin: 0; }
.stack-form label { font-weight: 650; }
.stack-form input { width: 100%; min-height: 2.75rem; padding: 0.6rem; border: 1px solid var(--border); border-radius: 0.5rem; }
.form-error { color: var(--irrelevant-text); font-weight: 650; }
.hint { color: var(--muted); }
.message { padding: 0.75rem 1rem; border-radius: 0.5rem; background: var(--relevant-bg); color: var(--relevant-text); }
.assignment-form { display: grid; gap: 1.5rem; }
.assignment-form h2 { margin-block: 0 1rem; }
.assignment-groups { display: grid; gap: 1rem; }
.assignment-group {
  padding: 1.25rem;
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 1px 3px oklch(0 0 0 / 0.08), 0 8px 24px oklch(0 0 0 / 0.05);
}
.assignment-category { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1.5rem; }
.check-label { display: flex; min-height: 2.75rem; align-items: flex-start; gap: 0.75rem; padding: 0.5rem; border-radius: 0.5rem; cursor: pointer; overflow-wrap: anywhere; }
.check-label:hover { background: var(--bg); }
.check-label input { flex: none; inline-size: 1.25rem; block-size: 1.25rem; margin-block-start: 0.15rem; accent-color: var(--accent); }
.category-check { font-weight: 700; }
.assignment-group details { margin-block-start: 0.75rem; }
.assignment-group summary { min-height: 2.75rem; align-content: center; cursor: pointer; color: var(--accent); font-weight: 650; }
.assignment-group fieldset { padding: 0; margin: 0.75rem 0 0; border: 0; }
.assignment-group legend { margin-block-end: 0.5rem; font-weight: 650; }
.assignment-query-list { display: grid; gap: 0.25rem; }
.visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.status-disputed { color: var(--irrelevant-text); background: var(--bg); border: 1px solid var(--irrelevant-text); }
.review-pager { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block-start: 0.75rem; }
.review-modes { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block-end: 1.5rem; }
.review-scroll { max-inline-size: 100%; overflow-x: auto; }
.review-table { overflow-wrap: normal; }
.review-table th { vertical-align: bottom; }
.review-table .review-labeler { position: relative; min-inline-size: 8rem; }
.review-table th bdi { overflow-wrap: break-word; }
.review-table .review-labeler-short bdi { white-space: nowrap; }
.review-table td:nth-child(3) { min-inline-size: 14rem; overflow-wrap: anywhere; }
.review-table .query-status, .review-time { white-space: nowrap; }
.review-table td:last-child .query-status { white-space: normal; }
.review-table .is-disputed { box-shadow: inset 4px 0 0 var(--irrelevant-text); }
.review-agent, .review-column-count, .review-time, .review-counts { display: block; color: var(--muted); font-size: 0.8125rem; font-weight: 400; }
.review-agent { display: inline; }
.review-column-count { white-space: nowrap; }
.review-summary td:nth-child(3), .review-disputes td:nth-child(3) { min-inline-size: 0; }
.review-summary .numbers { white-space: nowrap; }
.review-summary tfoot { font-weight: 650; }
.review-disputes td:nth-child(5) { min-inline-size: 14rem; overflow-wrap: anywhere; }
@media (min-width: 48rem) {
  .product-card { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 2rem; }
  .product-sidebar { display: grid; grid-template-rows: minmax(8rem, 1fr) auto auto; gap: 1rem; max-block-size: max(20rem, calc(100dvh - 24rem)); align-self: start; position: sticky; inset-block-start: 1rem; }
  .product-media { min-block-size: 0; }
  .product-media img, .image-placeholder { block-size: 100%; min-block-size: 0; max-block-size: none; }
  .actions { position: static; padding-block: 0; border: 0; box-shadow: none; }
}
@media (max-width: 48rem) {
  .query-table, .query-table tbody, .query-table tr, .query-table td { display: block; }
  .query-table { background: transparent; box-shadow: none; }
  .query-table thead {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }
  .query-table tr { margin-block-end: 1rem; padding: 0.75rem; border-radius: 0.75rem; background: var(--surface); box-shadow: 0 1px 3px oklch(0 0 0 / 0.08); }
  .query-table .is-current { background: var(--bg); }
  .query-table td { display: grid; grid-template-columns: minmax(7rem, 0.35fr) minmax(0, 1fr); gap: 0.75rem; padding: 0.5rem 0; border: 0; }
  .query-table td::before { content: attr(data-label); font-weight: 650; }
  .thumbnail-cell { inline-size: auto; }
  .review-scroll { overflow-x: visible; }
  .review-table .review-labeler, .review-table td:nth-child(3) { min-inline-size: 0; }
  .query-table tfoot { display: block; }
  .review-summary .numbers { white-space: normal; }
  .review-disputes td:nth-child(5) { min-inline-size: 0; }
}
@media (max-width: 30rem) {
  .product-params > div { grid-template-columns: minmax(0, 1fr); gap: 0.15rem; }
}
@media (max-width: 42rem) {
  .container { width: min(100% - 2rem, 68rem); padding-block-start: 1.25rem; }
  .filters > * { width: 100%; }
  .filters select { width: 100%; }
}
@media (max-width: 20rem) {
  .container { width: calc(100% - 1rem); }
  .leaderboard-table th, .leaderboard-table td { padding: 0.5rem 0.25rem; }
  .category-card, .product-card, .empty-state, .auth-card, .stack-form, .progress-panel, .assignment-group { padding: 0.75rem; }
  .query-table td { grid-template-columns: minmax(0, 1fr); }
  .query-row-actions button { inline-size: 100%; }
}
@media (forced-colors: active) {
  :focus-visible { outline-color: Highlight; }
  .actions { border-block-start: 1px solid CanvasText; }
  .query-table .is-current { outline-color: Highlight; }
}