/* Keep the laboratory's plum palette and typography; text is the main artifact. */
main {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  min-height: calc(100vh - 80px);
}
aside {
  padding: 20px;
  background: var(--panel);
  border-right: 1px solid var(--line);
}
fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}
legend {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 18px;
}
label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 12px 0;
  color: var(--ink);
}
input,
select,
textarea {
  width: 100%;
  padding: 8px;
}
textarea {
  resize: vertical;
  line-height: 1.5;
}
.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.pair label {
  min-width: 0;
}
.hint {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  margin: 8px 0;
}
button {
  padding: 8px 12px;
}
.model-heading,
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.model-heading {
  margin-top: 20px;
  font-weight: 600;
}
.model-heading button {
  font-size: 12px;
}
.workspace {
  padding: 20px 26px;
  min-width: 0;
}
.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.spacer {
  flex: 1;
}
#status {
  padding: 12px 0;
  margin: 0;
  color: var(--accent);
  overflow-wrap: anywhere;
}
.stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding: 12px 0;
  color: var(--muted);
  line-height: 1.6;
  border-bottom: 1px solid var(--line);
}
.stats strong {
  color: var(--ink);
  font-weight: 600;
}
.best {
  padding: 18px 0;
}
h2 {
  font-size: 16px;
  margin: 0;
  font-weight: 600;
}
pre {
  font-family: inherit;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.65;
  margin: 12px 0;
  max-width: 80ch;
}
#best-text {
  font-size: 17px;
  min-height: 110px;
  max-height: 300px;
  overflow: auto;
  padding: 18px 22px;
  border-left: 3px solid var(--accent);
  background: var(--panel);
}
.history {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
}
.history label {
  white-space: nowrap;
}
.history input {
  flex: 1;
}
.history output {
  white-space: nowrap;
  color: var(--muted);
}
.trace-workspace {
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(300px, 1.5fr);
  gap: 24px;
  padding-top: 20px;
}
.trace-list,
.inspector {
  min-width: 0;
}
.section-title select {
  width: auto;
  max-width: 150px;
  font-size: 12px;
}
.table-scroll {
  overflow: auto;
  max-height: 560px;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-variant-numeric: tabular-nums;
}
th {
  position: sticky;
  top: 0;
  background: var(--bg);
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}
th,
td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}
td button {
  padding: 2px 8px;
}
tr.selected {
  background: var(--panel-raised);
}
summary {
  cursor: pointer;
  color: var(--muted);
  padding: 12px 0;
}
details {
  border-top: 1px solid var(--line);
  margin-top: 14px;
}
.ancestry {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.ancestry button {
  font-size: 12px;
  padding: 3px 7px;
}
.tokens {
  line-height: 2.2;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 14px;
}
.tokens span {
  padding: 2px 1px;
  border-radius: 2px;
}
#population,
#requests {
  font-family: var(--mono);
  font-size: 11px;
  max-height: 300px;
  overflow: auto;
}
#trace-text {
  max-height: 400px;
  overflow: auto;
}
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
@media (max-width: 1100px) {
  main {
    grid-template-columns: 280px minmax(0, 1fr);
  }
  .workspace {
    padding: 16px;
  }
  .trace-workspace {
    grid-template-columns: 1fr;
  }
  .table-scroll {
    max-height: 260px;
  }
}
@media (max-width: 720px) {
  main {
    grid-template-columns: 1fr;
  }
  aside {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .app-header {
    flex-wrap: wrap;
  }
  .toolbar {
    gap: 6px;
  }
  .toolbar button {
    padding: 8px;
  }
  .stats {
    gap: 12px;
  }
  #best-text {
    font-size: 15px;
  }
  .history {
    font-size: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* The branching answer is the focal point; controls use the existing lab theme. */
[hidden] {
  display: none !important;
}
.llm-tabs {
  display: flex;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.llm-tabs button {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0 0 12px;
  color: var(--muted);
}
.llm-tabs [aria-selected="true"] {
  color: var(--ink);
  box-shadow: 0 2px var(--accent);
}
main.analyzing {
  grid-template-columns: minmax(0, 1fr);
}
.analyzing .workspace {
  padding: 18px 24px;
}
.analysis-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  gap: 12px;
}
.analysis-heading h2 {
  font-size: 22px;
  font-weight: 500;
}
.analysis-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: end;
}
.analysis-controls label {
  flex: 1;
  min-width: 135px;
  font-size: 12px;
  color: var(--muted);
}
.analysis-controls .analysis-search {
  flex: 1.5;
}
.analysis-controls input,
.analysis-controls select {
  height: 36px;
  font-size: 12px;
}
.analysis-playback {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.analysis-playback input[type="range"] {
  flex: 1;
  min-width: 90px;
  width: auto;
  accent-color: var(--accent);
}
.analysis-playback output {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 12px;
}
.check {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin: 0;
  white-space: nowrap;
}
.check input {
  width: auto;
  accent-color: var(--accent);
}
.analysis-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 370px);
  gap: 20px;
  align-items: start;
}
.analysis-graph,
.analysis-inspector {
  min-width: 0;
}
.analysis-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}
.analysis-navigation button {
  font-size: 12px;
  padding: 6px 9px;
}
.analysis-stage {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}
#analysis-canvas {
  width: 100%;
  height: max(460px, calc(100vh - 400px));
  max-height: 950px;
  display: block;
  touch-action: none;
}
#analysis-minimap {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 152px;
  height: 88px;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: crosshair;
}
#analysis-empty {
  position: absolute;
  top: 40%;
  left: 15%;
  right: 15%;
  text-align: center;
  color: var(--muted);
  pointer-events: none;
  line-height: 1.7;
}
.analysis-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 11px;
  padding: 12px 0;
}
.analysis-legend strong {
  font-weight: 500;
  color: var(--ink);
}
.analysis-scale {
  height: 8px;
  width: 100px;
  border-radius: 3px;
}
.analysis-missing {
  color: #a497af;
}
.analysis-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.analysis-options .hint {
  margin: 0;
}
.analysis-inspector {
  padding-left: 18px;
  border-left: 1px solid var(--line);
  max-height: calc(100vh - 170px);
  overflow: auto;
  scrollbar-gutter: stable;
}
.analysis-inspector .section-title {
  gap: 6px;
}
.analysis-inspector .section-title button {
  font-size: 11px;
  padding: 5px 8px;
  white-space: nowrap;
}
.analysis-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
  padding: 18px 0 2px;
  font-variant-numeric: tabular-nums;
}
.analysis-metrics div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.analysis-metrics span {
  color: var(--muted);
  font-size: 11px;
}
.analysis-metrics strong {
  font-size: 13px;
  font-weight: 500;
}
.analysis-metrics small {
  font-size: 10px;
  color: var(--muted);
}
.analysis-answer-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.analysis-inspector h3 {
  font-weight: 500;
  font-size: 13px;
  margin: 8px 0;
}
.analysis-answer-heading h3 {
  width: 100%;
}
.analysis-answer-heading button {
  font-size: 11px;
  padding: 5px 8px;
}
#analysis-answer {
  font-size: 15px;
  padding: 12px 0;
  min-height: 70px;
}
#analysis-panel mark {
  color: var(--ink);
  background: rgba(208, 169, 226, 0.19);
  border-radius: 2px;
}
#analysis-panel .tokens button {
  font: inherit;
  color: inherit;
  border: 0;
  border-radius: 2px;
  padding: 1px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.analysis-token-chunk {
  border-top: 1px dashed var(--line);
  margin: 8px 0;
}
#analysis-token-detail {
  font-size: 11px;
  max-height: 230px;
  overflow: auto;
}
#analysis-decisions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 220px;
  overflow: auto;
}
#analysis-decisions button {
  text-align: left;
  font-size: 11px;
}
#analysis-decisions button.selected {
  border-color: var(--accent);
  background: var(--panel-raised);
}
.analysis-decision-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 12px;
}
.analysis-decision-values dt {
  color: var(--muted);
}
.analysis-decision-values dd {
  margin: 0;
  text-align: right;
}
.analysis-comparison {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding-top: 20px;
}
#analysis-compare-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
#analysis-compare-columns article {
  min-width: 0;
  padding: 14px;
  background: var(--panel);
  border-radius: 6px;
}
#analysis-compare-columns pre {
  max-height: 450px;
  overflow: auto;
}
.analysis-shared {
  color: var(--gold);
}
@media (max-width: 1000px) {
  .analysis-workspace {
    grid-template-columns: 1fr;
  }
  .analysis-inspector {
    max-height: none;
    padding: 20px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  #analysis-canvas {
    height: 480px;
  }
}
@media (max-width: 520px) {
  .analyzing .workspace {
    padding: 12px;
  }
  .analysis-controls {
    gap: 8px;
  }
  .analysis-controls label {
    min-width: 140px;
    margin: 8px 0;
  }
  .analysis-playback {
    gap: 6px;
  }
  .analysis-playback .check {
    width: 100%;
  }
  #analysis-compare-columns {
    grid-template-columns: 1fr;
  }
  #analysis-minimap {
    width: 114px;
    height: 66px;
  }
  #analysis-canvas {
    height: 410px;
  }
}

/* Comparisons use the same plum surfaces as generation and analysis. */
.ranking-human-dialog {
  color: var(--text, #f3edf7);
  background: var(--panel, #24182c);
  border: 1px solid var(--border, #49334e);
  border-radius: 12px;
  width: min(900px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 24px;
}
.ranking-human-dialog::backdrop {
  background: #120d18f5;
}
.ranking-human-dialog pre,
#compare-ranking pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
#benchmark-panel,
#evaluation-panel {
  min-width: 0;
}
.benchmark-controls {
  padding: 18px 22px;
  background: var(--panel, #24182c);
  border: 1px solid var(--border, #49334e);
  border-radius: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}
.benchmark-controls > h2,
.benchmark-controls > p,
.benchmark-controls > .toolbar {
  grid-column: 1 / -1;
}
#comparison-workspace {
  margin-top: 28px;
  min-width: 0;
}
#comparison-workspace h3,
#evaluation-panel h3 {
  font-size: 15px;
  line-height: 1.5;
  margin: 18px 0 12px;
}
#comparison-workspace h4,
#evaluation-panel h4 {
  margin: 0 0 12px;
}
.compare-filters {
  display: flex;
  align-items: end;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0;
}
.compare-filters label {
  flex: 1 1 175px;
  margin: 0;
  min-width: 0;
}
.compare-filters select,
.compare-filters input {
  width: 100%;
  min-width: 0;
}
.compare-chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 22px 0;
}
.compare-chart,
.compare-trace-card {
  background: #24182c;
  border: 1px solid #49334e;
  padding: 16px;
  border-radius: 10px;
  min-width: 0;
}
.compare-chart .section-title {
  gap: 8px;
}
.compare-chart .section-title h3 {
  flex: 1;
  margin: 0;
}
.compare-chart .section-title button {
  padding: 4px 7px;
  font-size: 11px;
}
.compare-chart > svg {
  display: block;
  width: 100%;
  height: auto;
  margin: 14px 0;
  border-radius: 5px;
  font-family: inherit;
}
.compare-chart svg [role="button"] {
  cursor: pointer;
}
.compare-chart svg [role="button"]:hover,
.compare-chart svg [role="button"]:focus {
  stroke: white;
  stroke-width: 3;
  outline: none;
}
.compare-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 12px;
  color: #d6c4dd;
}
.compare-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.compare-legend svg {
  flex-shrink: 0;
}
.compare-table-wrap {
  overflow: auto;
  max-height: 550px;
  border: 1px solid #49334e;
  border-radius: 8px;
  margin: 14px 0;
}
.compare-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.compare-table-wrap th {
  position: sticky;
  top: 0;
  z-index: 1;
  text-align: left;
  background: #302038;
  color: #decae8;
  font-weight: 600;
}
.compare-table-wrap td,
.compare-table-wrap th {
  padding: 10px 12px;
  border-bottom: 1px solid #49334e;
  vertical-align: top;
}
.compare-table-wrap tr:hover td {
  background: #302038;
}
.compare-table-wrap button {
  font-size: 12px;
  text-align: left;
  white-space: normal;
  min-width: 90px;
}
.compare-text-button {
  max-width: 280px;
  overflow-wrap: anywhere;
}
.compare-pin-actions {
  display: flex;
  gap: 6px;
}
.compare-pin-actions button {
  min-width: 56px;
}
.compare-notice,
.compare-empty {
  padding: 18px;
  background: #302038;
  border-left: 3px solid #d0a9e2;
  border-radius: 4px;
  line-height: 1.7;
}
.compare-grading {
  margin: 28px 0;
  padding: 20px;
  border: 1px solid #785568;
  border-radius: 10px;
}
.compare-grading textarea {
  width: 100%;
  box-sizing: border-box;
}
.compare-grading pre {
  max-height: 400px;
  overflow: auto;
}
.compare-full-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 500px;
  overflow: auto;
  font-size: 13px;
  line-height: 1.7;
}
.compare-trace-card .tokens {
  max-height: 220px;
  overflow: auto;
  margin: 16px 0;
}
#compare-traces,
#compare-pins {
  scroll-margin-top: 20px;
}
#comparison-workspace [hidden],
#benchmark-panel[hidden],
#evaluation-panel[hidden],
#evaluation-panel [hidden] {
  display: none !important;
}
@media (max-width: 900px) {
  .compare-chart-grid {
    grid-template-columns: 1fr;
  }
  .benchmark-controls {
    grid-template-columns: 1fr;
    padding: 14px;
  }
  .compare-chart {
    padding: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  #comparison-workspace *,
  #evaluation-panel * {
    scroll-behavior: auto;
  }
}

/* Each game mode keeps its own answers and numerical scale visible. */
#benchmark-pair-results {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
#benchmark-pair-results:empty {
  display: none;
}
#benchmark-pair-results section {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-raised);
}
#benchmark-pair-results h3 {
  margin-top: 0;
}
#benchmark-pair-results ul {
  padding-left: 20px;
}
#benchmark-pair-results pre {
  max-height: 12rem;
  overflow: auto;
}
#game-preview {
  overflow-wrap: anywhere;
}
@media (max-width: 700px) {
  #benchmark-pair-results {
    grid-template-columns: 1fr;
  }
}