:root {
  --c-text:        #1f2937;
  --c-muted:       #6b7280;
  --c-border:      #e5e7eb;
  --c-bg-soft:     #ffffff;
  --c-bg-alt:      #ffffff;
  --c-th-bg:       #e5e7eb;
  --c-th-bg-dark:  #d1d5db;
  --c-th-text:     #1f2937;
  --c-accent:      #ef3535;
  --c-link:        #3273dc;
  --c-unbiased:    #b8cce6;
  --c-biased:      #ecc1c1;
  --c-unbiased-bg: #f6f9fd;
  --c-biased-bg:   #fdf7f7;
  --c-unbiased-tag-bg: #d3e0f1;
  --c-biased-tag-bg:   #f3d3d3;
  --c-unbiased-tag-text: #2f4d77;
  --c-biased-tag-text:   #7a3838;
}

html, body { background: #ffffff; color: var(--c-text); }
body { font-family: 'Noto Sans', sans-serif; font-weight: 400; }

a { color: hsl(217, 91%, 45%); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================== HERO ============================== */
.publication-title {
  font-family: 'Google Sans', sans-serif;
  letter-spacing: -0.5px;
  margin-bottom: 1.25rem !important;
  line-height: 1.18;
}
.title-mm {
  font-weight: 800;
  font-family: 'Google Sans', sans-serif;
  letter-spacing: -0.5px;
}
.title-rest {
  font-weight: 300;
  font-family: 'Google Sans', sans-serif;
  letter-spacing: 0;
}
.title-logo {
  height: 1.35em;
  vertical-align: -0.28em;
  margin-right: 0.22em;
}

.publication-authors {
  font-family: 'Google Sans', sans-serif;
  font-weight: 400;
  color: #1f2937;
}
.publication-authors a { color: var(--c-link); }
.publication-authors a:hover { text-decoration: underline; }
.author-block { display: inline-block; margin: 0 4px; }

.annotation {
  font-size: 0.85rem;
  color: #6b7280;
  margin-top: 8px;
}

.venue-badge {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 14px;
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.4px;
  font-size: 1.25rem;
}

.publication-links .button {
  margin: 4px;
  font-family: 'Google Sans', sans-serif;
  background-color: #1f2937;
  color: white;
  border: none;
  transition: transform 0.12s ease, background-color 0.12s ease;
}
.publication-links .button:hover {
  background-color: #111827;
  transform: translateY(-1px);
}
.publication-links .button .icon i {
  font-size: 1.05em;
}

/* ============================== TEASER ============================== */
.section.pt-0 { padding-top: 0; }
.teaser-figure {
  text-align: center;
  margin: 0 auto;
  max-width: 1100px;
}
.teaser-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}
.teaser-figure img.zoomable-image {
  cursor: zoom-in;
  transition: opacity 0.15s ease;
}
.teaser-figure img.zoomable-image:hover { opacity: 0.9; }

/* ============================== LIGHTBOX ============================== */
.image-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 40px;
  cursor: zoom-out;
}
.image-lightbox.is-open {
  display: flex;
  animation: lightboxFade 0.18s ease;
}
@keyframes lightboxFade { from { opacity: 0; } to { opacity: 1; } }
.image-lightbox .lightbox-img {
  max-width: 96vw;
  max-height: 92vh;
  width: auto;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  background: white;
}
.image-lightbox .lightbox-close {
  position: absolute;
  top: 20px;
  right: 26px;
  background: transparent;
  color: white;
  border: none;
  font-size: 2.2rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 4px;
  transition: background-color 0.15s ease;
}
.image-lightbox .lightbox-close:hover { background: rgba(255,255,255,0.12); }
.teaser-figure figcaption {
  margin-top: 14px;
  font-size: 0.95rem;
  color: var(--c-muted);
  text-align: justify;
  line-height: 1.55;
}

/* ============================== SECTIONS ============================== */
.section-alt {
  background: transparent;
}
.section-title {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  text-align: center;
  display: block;
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 28px !important;
  color: #1f2937;
}
.subsection-title {
  font-family: 'Google Sans', sans-serif;
  font-weight: 600;
  text-align: center;
}
.section-subtitle {
  color: #4b5563;
  margin-bottom: 22px;
  line-height: 1.6;
}

.intro-bullets {
  color: #4b5563;
  margin: -10px 0 22px 0;
  padding-left: 24px;
  line-height: 1.6;
  list-style: disc outside;
}
.intro-bullets li { margin-bottom: 4px; }
.intro-bullets li:last-child { margin-bottom: 0; }

.bias-panel-title {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #1f2937;
  text-align: center;
  margin: 0 0 12px 0;
}

/* ============================== TAXONOMY TABLE ============================== */
.taxonomy-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  font-size: 0.92rem;
}
.taxonomy-table th {
  background: var(--c-th-bg);
  color: var(--c-th-text);
  font-weight: 700;
  padding: 12px 14px;
  text-align: center;
  font-family: 'Google Sans', sans-serif;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.taxonomy-table td {
  padding: 12px 14px;
  border-top: 1px solid var(--c-border);
  vertical-align: middle;
  transition: background-color 0.18s ease;
}
.taxonomy-table tbody tr:last-child td { border-bottom: 1px solid var(--c-border); }
.taxonomy-table tbody tr:hover td {
  background: #f9fafb;
}
.taxonomy-table .dim-cell {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  color: #1f2937;
  text-align: center;
  background: #fafbfc;
  font-size: 0.95rem;
}

.metric-tag.metric-bd {
  background: #eef3fb;
  border-color: #dbe5f2;
  color: #2f4f79;
}
.metric-tag.metric-bd:hover { background: #dfe8f5; }
.metric-tag.metric-bc {
  background: #f0f6ee;
  border-color: #dde7d8;
  color: #355437;
}
.metric-tag.metric-bc:hover { background: #e1ecdd; }

.taxonomy-wrap {
  width: 100%;
  overflow: visible;
}

.metric-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'Google Sans', sans-serif;
  background: #f3f4f6;
  color: #374151;
  border: 1px solid var(--c-border);
}

/* ============================== GENERIC SLIDER ============================== */
.slider-shell {
  position: relative;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--c-border);
  padding: 22px 28px 26px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.slider-track {
  position: relative;
}
.slider-item {
  display: none;
  flex-direction: column;
  justify-content: flex-start;
}
.slider-item.is-active {
  display: flex;
}

.slider-arrow {
  position: absolute;
  top: 240px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: var(--c-th-bg);
  color: white;
  font-size: 1rem;
  cursor: pointer;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease, transform 0.15s ease;
}
.slider-arrow:hover { background: var(--c-th-bg-dark); transform: scale(1.06); }
.slider-prev { left: -54px; }
.slider-next { right: -54px; }
@media (max-width: 1100px) {
  .slider-prev { left: 6px; }
  .slider-next { right: 6px; }
  .slider-shell { padding: 22px 50px 26px; }
}

.slider-dots {
  display: flex;
  gap: 7px;
  justify-content: center;
  margin-top: 14px;
}
.slider-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c5c9d1;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.15s ease;
  border: none;
  padding: 0;
}
.slider-dots .dot:hover { background: #8b92a0; }
.slider-dots .dot.is-active { background: #1f2937; transform: scale(1.25); }

.slide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.slide-grid.slide-grid-wide-right {
  grid-template-columns: 5fr 7fr;
}
@media (max-width: 900px) {
  .slide-grid,
  .slide-grid.slide-grid-wide-right { grid-template-columns: 1fr; }
}
.slide-half {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}
.slide-half > * { width: 100%; }
.slide-caption {
  margin-top: 14px;
  font-size: 0.92rem;
  color: var(--c-muted);
  text-align: justify;
}

.chart-box {
  width: 100%;
  height: 460px;
}
.chart-box.tall {
  height: 540px;
}
.chart-box.large {
  height: 500px;
}

#difficulty-chart,
#difficulty-chart *,
.chart-box.tall,
.chart-box.tall * {
  cursor: default !important;
}
.chart-box .js-plotly-plot .plotly .cursor-crosshair,
.chart-box .js-plotly-plot .plotly .cursor-ew-resize,
.chart-box .js-plotly-plot .plotly .cursor-ns-resize,
.chart-box .js-plotly-plot .plotly .cursor-move,
.chart-box .js-plotly-plot .plotly .nsewdrag {
  cursor: default !important;
}

/* ============================== STATS / DATA TABLES ============================== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: white;
}
.data-table th {
  background: var(--c-th-bg);
  color: var(--c-th-text);
  font-weight: 700;
  padding: 9px 10px;
  text-align: center;
  font-family: 'Google Sans', sans-serif;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.data-table td {
  padding: 8px 10px;
  border-top: 1px solid #eef0f4;
  vertical-align: middle;
  transition: background-color 0.18s ease;
  text-align: center;
  color: #1f2937;
}
.data-table td:first-child { text-align: left; }
.data-table tbody tr:last-child td { border-bottom: 1px solid var(--c-border); }
.data-table tbody tr:hover td { background: #f9fafb; }
.data-table tr.subtotal td { background: #fafbfc; font-weight: 600; }
.data-table tr.subtotal:hover td { background: #f3f4f6; }
.data-table tr.total td { background: var(--c-th-bg-dark); color: var(--c-th-text); font-weight: 700; }
.data-table tr.total:hover td { background: #b8bec7; }

.benchmark-table { font-size: 0.78rem; }
.benchmark-table th,
.benchmark-table td {
  font-family: inherit;
  text-align: left;
  font-weight: 400;
  color: #1f2937;
  padding: 10px 10px;
  line-height: 1.5;
}
.benchmark-table th { padding: 10px 10px; }
.benchmark-table td:nth-child(3) { font-weight: 400; }

.data-table.compact th { padding: 6px 8px; font-size: 0.84rem; }
.data-table.compact td { padding: 5px 8px; font-size: 0.84rem; }

/* ============================== LEADERBOARD ============================== */
.leaderboard-wrap {
  background: white;
  border-radius: 12px;
  padding: 6px;
  border: 1px solid var(--c-border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  overflow-x: auto;
}
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.74rem;
  font-family: 'Google Sans', sans-serif;
  table-layout: auto;
}
.leaderboard-table th {
  background: #f3f4f6;
  color: var(--c-th-text);
  padding: 6px 4px;
  text-align: center !important;
  font-weight: 700;
  white-space: nowrap;
  vertical-align: middle;
  border-bottom: 1px solid #d1d5db;
}
.leaderboard-table thead tr:first-child th[colspan] {
  background: #f3f4f6;
  font-size: 0.82rem;
  text-align: center !important;
}
.leaderboard-table tbody td {
  padding: 6px 5px;
  text-align: center;
  border-top: 1px solid #eef0f4;
  transition: background-color 0.15s ease;
  white-space: nowrap;
}
.leaderboard-table tbody td:first-child:not(.cat-cell),
.leaderboard-table tbody td.cat-cell + td {
  text-align: left;
  font-weight: 500;
}
.leaderboard-table tbody tr:hover td:not(.cat-cell) { background: #eceef2; }
.leaderboard-table td.cat-cell {
  text-align: center !important;
  vertical-align: middle;
  font-weight: 600;
  border-right: 1px solid var(--c-border);
}
.leaderboard-table tr.avg-row td {
  background: #f3f4f6;
  font-weight: 700;
}
.leaderboard-table tr.avg-row:hover td { background: #e5e7eb; }

/* ============================== EXAMPLE / JUDGE CARDS ============================== */
.example-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 900px) {
  .example-card { grid-template-columns: 1fr; }
}
.example-panel {
  border-radius: 10px;
  padding: 14px;
  background: white;
  border: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
}
.example-panel.unbiased { background: var(--c-unbiased-bg); border-top: 3px solid var(--c-unbiased); }
.example-panel.biased   { background: var(--c-biased-bg);   border-top: 3px solid var(--c-biased); }
.example-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.panel-tag {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 5px;
  color: white;
}
.panel-tag.unbiased { background: var(--c-unbiased-tag-bg); color: var(--c-unbiased-tag-text); }
.panel-tag.biased   { background: var(--c-biased-tag-bg);   color: var(--c-biased-tag-text); }
.panel-img {
  width: 100%;
  height: 280px;
  background: white;
  border-radius: 6px;
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.panel-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.panel-img.placeholder {
  color: #9ca3af;
  font-style: italic;
  font-size: 0.9rem;
  background: repeating-linear-gradient(45deg, #f9fafb, #f9fafb 10px, #f3f4f6 10px, #f3f4f6 20px);
}
.ex-block {
  display: block;
  margin-top: 12px;
  font-size: 0.88rem;
  line-height: 1.5;
}
.ex-block .label {
  display: block;
  font-weight: 700;
  font-family: 'Google Sans', sans-serif;
  color: #6b7280;
  font-size: 0.78rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 4px;
  padding-bottom: 3px;
  border-bottom: 1px solid #e5e7eb;
}
.ex-block .text {
  display: block;
  color: #1f2937;
}
.ex-block .text.empty {
  color: #9ca3af;
  font-style: italic;
}
.ex-block .label .score-emph {
  font-family: 'Google Sans', sans-serif;
  color: #1f2937;
  font-size: 1.15em;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: none;
  margin: 0 1px;
}

.example-header {
  margin-bottom: 14px;
  font-family: 'Google Sans', sans-serif;
}
.example-header .meta-line {
  font-size: 0.95rem;
  color: #1f2937;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  align-items: baseline;
}
.example-header .meta-line .meta-item { display: inline-flex; gap: 6px; }
.example-header .meta-line .meta-label {
  color: #6b7280;
  font-weight: 500;
}
.example-header .meta-line .meta-value {
  color: #1f2937;
  font-weight: 700;
}
.example-header .meta-note {
  margin-top: 6px;
  font-size: 0.88rem;
  color: #6b7280;
  font-style: italic;
}

/* ---- Judge ---- */
.judge-section-label {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #6b7280;
  margin: 18px 0 10px;
  padding-bottom: 4px;
  border-bottom: 1px dashed var(--c-border);
}
.judge-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 900px) {
  .judge-row { grid-template-columns: 1fr; }
}
.judge-input-panel,
.judge-output-panel {
  border-radius: 10px;
  padding: 14px;
  border: 1px solid var(--c-border);
  background: white;
  display: flex;
  flex-direction: column;
}
.judge-input-panel.unbiased,
.judge-output-panel.unbiased {
  background: var(--c-unbiased-bg);
  border-color: var(--c-border);
  border-top: 3px solid var(--c-unbiased);
}
.judge-input-panel.biased,
.judge-output-panel.biased {
  background: var(--c-biased-bg);
  border-color: var(--c-border);
  border-top: 3px solid var(--c-biased);
}
.judge-blue { color: #1e3a8a; font-weight: 600; }
.judge-output-panel.unbiased em { font-style: normal; color: #1e3a8a; font-weight: 600; }
.judge-output-panel.biased em   { font-style: normal; color: #9a2020; font-weight: 600; }
.judge-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.judge-score {
  font-family: 'Google Sans', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 4px 10px;
  border-radius: 6px;
}
.judge-score.unbiased { background: var(--c-unbiased-tag-bg); color: var(--c-unbiased-tag-text); }
.judge-score.biased   { background: var(--c-biased-tag-bg);   color: var(--c-biased-tag-text); }
.judge-img {
  width: 100%;
  height: 240px;
  background: white;
  border-radius: 6px;
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 10px;
}
.judge-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.judge-feedback {
  font-size: 0.86rem;
  line-height: 1.55;
  color: #1f2937;
  margin-top: 8px;
  background: #fafbfc;
  border-radius: 6px;
  padding: 10px 12px;
  border: 1px solid var(--c-border);
}
.judge-meta {
  font-size: 0.82rem;
  color: var(--c-muted);
  margin-bottom: 6px;
  font-family: 'Google Sans', sans-serif;
}
.biased-extra { color: var(--c-biased-tag-text); }

/* ============================== BIBTEX ============================== */

/* ============================== FOOTER ============================== */
.footer {
  background-color: #fafafa;
  padding: 3rem 1.5rem 6rem;
  color: #4a4a4a;
  margin-top: 2rem;
}
.footer a { color: #4a4a4a; text-decoration: underline; }
.footer a:hover { color: #1f2937; }
.footer .content { font-size: 0.95rem; }