:root {
  --ink: #202426;
  --muted: #667078;
  --paper: #f6f7f8;
  --card: #ffffff;
  --line: #d9dee3;
  --line-strong: #c7ced6;
  --gpt: #2f6fbb;
  --gemini: #16846f;
  --claude: #a05a22;
  --heuristic: #5c6470;
  --regression: #7c3aed;
  --tie: #6d7280;
  --shadow: 0 8px 24px rgba(33, 42, 50, .07);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar,
main,
footer {
  width: min(1220px, calc(100% - 40px));
  margin-inline: auto;
}

.topbar {
  display: flex;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
  padding: 34px 0 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: #52616d;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 34px;
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 15px;
  letter-spacing: 0;
}

code {
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  background: #f1f3f5;
}

.dataset-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.dataset-strip span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 10px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.dataset-strip strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.regression-status {
  color: #9f3c2c;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  position: sticky;
  top: 0;
  z-index: 20;
  margin: 0 0 8px;
  padding: 10px 0 6px;
  background: rgba(246, 248, 250, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.tab-description {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.tab {
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 11px 16px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
}

.tab.active {
  border-color: var(--gpt);
  color: var(--ink);
}

.panel { display: none; }
.panel.active { display: block; }

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  align-items: end;
  padding: 14px;
}

#benchmarkControls[hidden] {
  display: none;
}

.deferred-results > summary {
  cursor: pointer;
  list-style: none;
}

.deferred-results > summary::-webkit-details-marker {
  display: none;
}

.deferred-results > summary small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.deferred-results[open] > summary small {
  display: none;
}

.overview-filter-header,
.overview-filter-grid {
  grid-column: 1 / -1;
}

.overview-filter-header {
  display: flex;
  gap: 12px;
  align-items: end;
  justify-content: space-between;
}

.overview-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

select,
input[type="search"] {
  display: block;
  width: 100%;
  min-height: 38px;
  margin-top: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 8px 9px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
}

.checkbox-filter {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 12px 12px;
  background: #fbfcfd;
}

.checkbox-filter legend {
  padding: 0 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.checkbox-filter-top {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.checkbox-filter-summary {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}

.checkbox-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.checkbox-chip {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  background: #fff;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
}

.checkbox-chip input[type="checkbox"] {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin: 0;
}

.checkbox-chip span {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.checkbox-chip em {
  color: var(--muted);
  font-style: normal;
  font-weight: 700;
}

.within-level-filter {
  grid-column: 1 / -1;
}

.within-extra-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  align-items: start;
}

.multi-select-filter {
  min-width: 0;
}

.multi-select-label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.multi-select {
  position: relative;
  margin-top: 6px;
}

.multi-select-trigger {
  display: flex;
  width: 100%;
  min-height: 38px;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 8px 34px 8px 9px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  text-overflow: ellipsis;
  user-select: none;
  white-space: nowrap;
}

.multi-select-trigger::-webkit-details-marker {
  display: none;
}

.multi-select-trigger::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 12px;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid #6f7780;
  border-bottom: 1.5px solid #6f7780;
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
  transition: transform .16s ease;
}

.multi-select[open] .multi-select-trigger::after {
  transform: translateY(-35%) rotate(225deg);
}

.multi-select-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 15;
  width: min(420px, 100vw - 56px);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(33, 42, 50, .14);
}

.multi-select-menu-head {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 8px;
}

.multi-select-menu-title {
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.multi-select-menu-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.mini-button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.multi-select-menu-summary {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.multi-select-checkbox-list {
  max-height: 240px;
  overflow: auto;
}

.multi-select-option-list {
  display: grid;
  gap: 8px;
}

.multi-select-option-list .checkbox-chip {
  display: flex;
  width: 100%;
  justify-content: flex-start;
  border-radius: 8px;
  padding: 9px 10px;
}

.multi-select-option-list .checkbox-chip span {
  flex: 1 1 auto;
}

.across-demand-filter {
  grid-column: 1 / -1;
}

input[type="search"]::placeholder {
  color: #9aa3aa;
}

.secondary-button {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 8px 13px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.mini-button {
  min-height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 10px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.comparison-note {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin-top: 14px;
  padding: 14px 16px;
  box-shadow: none;
}

.comparison-note strong {
  min-width: 160px;
  font-size: 13px;
}

.comparison-note span,
.quiet {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.kpi {
  min-height: 104px;
  padding: 15px;
}

.kpi-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .045em;
  text-transform: uppercase;
}

.kpi-value {
  margin: 9px 0 4px;
  font-size: 26px;
  font-weight: 850;
  letter-spacing: 0;
}

.kpi-note {
  color: var(--muted);
  font-size: 12px;
}

.grid {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.model-panel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.within-test-panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.metric-panel,
.chart-card,
.table-card,
.within-model-card,
.within-test-card,
.placeholder,
.error {
  padding: 16px;
}

.winner-cell {
  background: #e4f6ea;
  color: #126334;
  font-weight: 900;
}

.significant-cell {
  background: #fde8e8;
  color: #a31919;
  font-weight: 900;
}

.card-heading {
  display: flex;
  gap: 14px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}

.card-heading span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.metric-panel .card-heading {
  align-items: flex-start;
  flex-direction: column;
  gap: 6px;
}

.metric-panel .card-heading span {
  display: block;
  max-width: 100%;
  line-height: 1.4;
  white-space: normal;
}

.compact-heading {
  margin: 18px 0 12px;
}

.model-card-top {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.model-card-top p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.model-dot {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin-top: 4px;
  border-radius: 999px;
}

.mini-kpi-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
}

.mini-kpi-row > div {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px;
  background: #fbfcfd;
}

.mini-kpi-row span,
.mini-kpi-row em {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
  text-transform: uppercase;
}

.mini-kpi-row strong {
  display: block;
  overflow: hidden;
  margin: 5px 0 2px;
  font-size: 16px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-list {
  display: grid;
  gap: 13px;
}

.compact-bars {
  gap: 10px;
}

.compact-bars .bar-row {
  grid-template-columns: 112px minmax(80px, 1fr) 62px;
}

.bar-row {
  display: grid;
  grid-template-columns: 170px minmax(120px, 1fr) 72px;
  gap: 10px;
  align-items: center;
  font-size: 12px;
}

.bar-label {
  overflow: hidden;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8ecef;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--muted);
}

.model-gpt { background: var(--gpt); }
.model-gemini { background: var(--gemini); }
.model-claude { background: var(--claude); }
.model-heuristic { background: var(--heuristic); }
.model-regression { background: var(--regression); }
.model-tie,
.model-fallback { background: var(--tie); }
.model-astra { background: #287b83; }
.model-pro { background: #9a6229; }
svg .model-astra { fill: #287b83; }
svg .model-pro { fill: #9a6229; }
.density-line.model-astra, .density-legend.model-astra { stroke: #287b83; }
.density-line.model-pro, .density-legend.model-pro { stroke: #9a6229; }
.bar-fill.pair-one { background: #5b5fc7; }
.bar-fill.pair-two { background: #c2417b; }
.bar-fill.pair-three { background: #0f8b8d; }

svg .model-gpt { fill: var(--gpt); }
svg .model-gemini { fill: var(--gemini); }
svg .model-claude { fill: var(--claude); }
svg .model-heuristic { fill: var(--heuristic); }
svg .model-regression { fill: var(--regression); }
svg .model-tie,
svg .model-fallback { fill: var(--tie); }

.bar-value {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  text-align: right;
}

.pair-mean-grid {
  overflow-x: auto;
}

.pair-mean-grid.single {
  overflow-x: visible;
}

.pair-mean-grid.single .pair-mean-chart {
  width: 100%;
  min-width: 0;
}

.level-mean-chart-wrap {
  overflow-x: auto;
}

.level-mean-chart {
  display: block;
  width: 100%;
  min-width: 320px;
  height: auto;
}

.level-mean-chart text,
.pair-mean-chart text,
.direction-chart text {
  color: var(--muted);
  fill: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.level-mean-chart .axis-title,
.pair-mean-chart .axis-title,
.direction-chart .axis-title {
  fill: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.level-mean-chart .grid-line,
.pair-mean-chart .grid-line,
.direction-chart .grid-line {
  stroke: #e7ebef;
  stroke-width: 1;
}

.level-mean-chart .axis-line,
.pair-mean-chart .axis-line,
.direction-chart .axis-line {
  stroke: var(--line-strong);
  stroke-width: 1.3;
}

.level-mean-chart .pair-value-label,
.pair-mean-chart .pair-value-label,
.direction-chart .direction-value-label {
  fill: var(--muted);
  font-size: 10px;
  font-weight: 800;
}

.level-mean-chart .model-gpt,
.level-mean-chart .model-gemini,
.level-mean-chart .model-claude,
.level-mean-chart .model-heuristic,
.level-mean-chart .model-regression,
.level-mean-chart .pair-one,
.level-mean-chart .pair-two,
.level-mean-chart .pair-three,
.pair-mean-chart .model-gpt,
.pair-mean-chart .model-gemini,
.pair-mean-chart .model-claude,
.pair-mean-chart .model-heuristic,
.pair-mean-chart .model-regression,
.pair-mean-chart .pair-one,
.pair-mean-chart .pair-two,
.pair-mean-chart .pair-three {
  opacity: .78;
  stroke: rgba(0,0,0,.22);
  stroke-width: .7;
}

.level-mean-chart .pair-one,
.pair-mean-chart .pair-one { fill: #5b5fc7; }

.level-mean-chart .pair-two,
.pair-mean-chart .pair-two { fill: #c2417b; }

.level-mean-chart .pair-three,
.pair-mean-chart .pair-three { fill: #0f8b8d; }

.level-mean-chart .model-gpt,
.pair-mean-chart .model-gpt { fill: var(--gpt); }

.level-mean-chart .model-gemini,
.pair-mean-chart .model-gemini { fill: var(--gemini); }

.level-mean-chart .model-claude,
.pair-mean-chart .model-claude { fill: var(--claude); }

.level-mean-chart .model-heuristic,
.pair-mean-chart .model-heuristic { fill: var(--heuristic); }

.level-mean-chart .model-regression,
.pair-mean-chart .model-regression { fill: var(--regression); }

.within-all-model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.within-all-summary-card {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px;
  background: #fbfcfd;
}

.within-all-summary-card h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 13px;
}

.distribution-mean-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.distribution-mean-panel {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fbfcfd;
}

.distribution-mean-panel h3 {
  margin: 0;
  padding: 11px 12px 3px;
  color: var(--ink);
  font-size: 12px;
  text-align: center;
  text-transform: capitalize;
}

.overview-card-meta {
  margin: 0;
  padding: 0 12px 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  text-align: center;
}

.distribution-mean-chart {
  width: max(285px, 100%);
}

.pair-mean-chart {
  display: block;
  width: max(560px, 100%);
  height: auto;
}

.pair-mean-chart .significant-cell {
  fill: #a31919;
  font-weight: 900;
}

.across-mean-chart {
  width: max(560px, 100%);
}

.pair-mean-chart.compact-across-mean-chart {
  width: max(285px, 100%);
}

.pair-mean-chart .p-bracket path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.2;
}

.pair-mean-chart .p-bracket text {
  fill: var(--ink);
  font-size: 11px;
  font-weight: 900;
}

.pair-mean-chart .p-bracket.significant-cell path,
.pair-mean-chart .p-bracket.significant-cell text {
  stroke: #a31919;
  fill: #a31919;
}

.direction-list {
  overflow-x: auto;
}

.compact-direction {
  overflow-x: auto;
}

.direction-chart {
  display: block;
  width: max(560px, 100%);
  height: auto;
}

.direction-chart .direction-under,
.direction-chart .direction-similar,
.direction-chart .direction-over {
  opacity: .8;
  stroke: rgba(0,0,0,.22);
  stroke-width: .7;
}

.direction-under { fill: #5b5fc7; }
.direction-similar { fill: #6d7280; }
.direction-over { fill: #c2417b; }

.table-card {
  margin-top: 12px;
}

.summary-card {
  margin-top: 14px;
}

.chart-card {
  margin-top: 12px;
}

.histogram,
.density-plot,
.cdf-plot {
  min-height: 250px;
  overflow-x: auto;
}

.histogram svg,
.density-plot svg,
.cdf-plot svg {
  display: block;
  width: max(760px, 100%);
  height: auto;
  overflow: visible;
}

.histogram text,
.density-plot text,
.cdf-plot text {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 750;
}

.histogram .axis-title,
.density-plot .axis-title,
.cdf-plot .axis-title {
  fill: var(--ink);
  font-size: 12px;
}

.histogram .grid-line,
.density-plot .grid-line,
.cdf-plot .grid-line {
  stroke: #e7ebef;
  stroke-width: 1;
}

.histogram .axis-line,
.density-plot .axis-line,
.cdf-plot .axis-line {
  stroke: var(--line-strong);
  stroke-width: 1.3;
}

.histogram .hist-bars rect {
  opacity: .32;
  mix-blend-mode: multiply;
  stroke: rgba(255,255,255,.82);
  stroke-width: .7;
}

.histogram .hist-legend rect {
  opacity: .72;
  stroke: rgba(0,0,0,.18);
  stroke-width: .6;
}

.density-plot .density-line,
.cdf-plot .density-line {
  fill: none;
  stroke-width: 2.4;
}

.density-plot .density-legend,
.cdf-plot .density-legend {
  fill: none;
  stroke-width: 2.4;
}

.density-plot .model-gpt,
.cdf-plot .model-gpt { stroke: var(--gpt); }
.density-plot .model-gemini,
.cdf-plot .model-gemini { stroke: var(--gemini); }
.density-plot .model-claude,
.cdf-plot .model-claude { stroke: var(--claude); }
.density-plot .model-heuristic,
.cdf-plot .model-heuristic { stroke: var(--heuristic); }
.density-plot .model-regression,
.cdf-plot .model-regression { stroke: var(--regression); }
.density-plot .model-fallback,
.cdf-plot .model-fallback { stroke: var(--tie); }

.density-plot .quartile-inset rect {
  fill: rgba(255,255,255,.9);
  stroke: var(--line-strong);
  stroke-width: 1;
}

.density-plot .quartile-inset .quartile-row rect {
  fill: rgba(255,255,255,.72);
  stroke: none;
}

.density-plot .quartile-inset .quartile-row-alt rect {
  fill: rgba(240,243,247,.88);
}

.density-plot .quartile-inset .quartile-rule {
  stroke: var(--line);
  stroke-width: .7;
}

.density-plot .quartile-inset .quartile-marker {
  stroke: none;
}

.density-plot .quartile-inset .quartile-marker.model-gpt { fill: var(--gpt); }
.density-plot .quartile-inset .quartile-marker.model-gemini { fill: var(--gemini); }
.density-plot .quartile-inset .quartile-marker.model-claude { fill: var(--claude); }
.density-plot .quartile-inset .quartile-marker.model-heuristic { fill: var(--heuristic); }
.density-plot .quartile-inset .quartile-marker.model-regression { fill: var(--regression); }

.density-plot .quartile-inset text {
  fill: var(--ink);
  font-size: 10px;
  font-weight: 800;
}

.density-plot .quartile-inset .quartile-title {
  font-size: 11px;
  font-weight: 900;
}

.density-plot .quartile-inset .quartile-header {
  fill: var(--ink-soft);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.density-plot .quartile-inset .quartile-model,
.density-plot .quartile-inset .quartile-median {
  font-weight: 900;
}

.density-plot .pair-one { stroke: #5b5fc7; }
.density-plot .pair-two { stroke: #c2417b; }
.density-plot .pair-three { stroke: #0f8b8d; }
.density-plot .pair-fallback { stroke: var(--tie); }

.density-plot .zero-line {
  stroke: #394049;
  stroke-dasharray: 5 5;
  stroke-width: 1.4;
}

.table-wrap {
  overflow-x: auto;
}

.ground-truth-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.compact-table {
  margin-top: 14px;
}

.compact-table table {
  font-size: 11px;
}

.compact-table th,
.compact-table td {
  padding: 8px 7px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 9px;
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

thead th {
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

tbody th {
  font-weight: 800;
}

tbody tr:hover {
  background: #f8fafb;
}

.placeholder {
  max-width: 760px;
  margin-top: 16px;
}

.placeholder p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

footer {
  padding: 36px 0 52px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 980px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .dataset-strip {
    justify-content: flex-start;
  }

  .toolbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kpi-grid,
  .grid.two,
  .grid.three,
  .model-panel-grid,
  .distribution-mean-grid {
    grid-template-columns: 1fr 1fr;
  }

  .metric-panel .card-heading {
    align-items: flex-start;
    flex-direction: column;
  }

}

@media (max-width: 620px) {
  .topbar,
  main,
  footer {
    width: min(100% - 24px, 1220px);
  }

  h1 {
    font-size: 27px;
  }

  .toolbar,
  .kpi-grid,
  .grid.two,
  .grid.three,
  .model-panel-grid,
  .distribution-mean-grid {
    grid-template-columns: 1fr;
  }

  .comparison-note,
  .card-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .bar-row {
    grid-template-columns: 108px minmax(80px, 1fr) 62px;
  }
}

/* Version 11.2: Segment Comparison tab */
.segment-filters { display: flex; flex-wrap: wrap; gap: 14px 24px; padding: 14px 18px; }
.segment-filter { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; }
.segment-filter legend { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; padding: 0 0 4px; width: 100%; }
.segment-filter label { font-size: 13px; display: inline-flex; gap: 5px; align-items: center; text-transform: none; letter-spacing: normal; font-weight: 400; color: var(--ink); }
.segment-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 4px 18px 0; font-size: 13px; }
.segment-key { display: inline-flex; align-items: center; gap: 6px; }
.segment-chart-wrap { overflow-x: auto; padding: 0 12px 12px; }
.segment-svg { width: 100%; min-width: 760px; height: auto; display: block; font-family: inherit; }
.segment-label { font-size: 14px; fill: var(--ink); }
.segment-sub { font-size: 11px; fill: var(--muted); }
.segment-tick { font-size: 12px; fill: var(--muted); }
.segment-axis { font-size: 13px; fill: var(--ink); }
.segment-colhead { font-size: 12px; fill: var(--muted); }
.segment-none { font-size: 14px; fill: var(--muted); }
.segment-off { font-size: 12px; }
#segmentTable td, #segmentHeuristicTable td { font-variant-numeric: tabular-nums; }
.segment-sig { font-weight: 700; color: #b4231c; }