body[data-page-kind="workbench"] {
  background: #101314;
}

body[data-page-kind="workbench"] main {
  background: #101314;
}

.brain-workbench {
  --workbench-line: #343c3b;
  --workbench-muted: #9ca9a5;
  --workbench-surface: #181d1d;
  color: #f5f7f4;
  background: #101314;
  letter-spacing: 0;
}

.brain-workbench button,
.brain-workbench input,
.brain-workbench select {
  min-height: 44px;
  border-radius: 4px;
}

.brain-workbench button {
  color: inherit;
  border: 1px solid var(--workbench-line);
  background: transparent;
  cursor: pointer;
}

.immersive-exit {
  display: none;
}

.brain-workbench button:hover {
  border-color: #e6b938;
  background: #242a2b;
}

.brain-workbench :focus-visible {
  outline: 3px solid #e6b938;
  outline-offset: 2px;
}

.workbench-head {
  min-height: 96px;
  padding: 1rem max(1rem, calc((100% - 1440px) / 2));
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--workbench-line);
}

.workbench-head .eyebrow,
.evidence-intro .eyebrow {
  margin: 0 0 0.3rem;
  font-size: 0.68rem;
  font-weight: 800;
}

.workbench-head .eyebrow {
  color: #6bb68e;
}

.evidence-intro .eyebrow {
  color: #267a54;
}

.workbench-head h1 {
  max-width: 22ch;
  margin: 0;
  font-family: "Noto Serif CJK SC", "Source Han Serif SC", SimSun, serif;
  font-size: 2rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.run-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(6.5rem, 1fr));
  margin: 0;
  border-left: 1px solid var(--workbench-line);
}

.run-summary div {
  min-width: 0;
  padding: 0.2rem 0.8rem;
  border-right: 1px solid var(--workbench-line);
}

.run-summary dt,
.model-facts dt,
.viewport-coordinates dt,
.signal-meta dt {
  color: var(--workbench-muted);
  font-size: 0.65rem;
  text-transform: uppercase;
}

.run-summary dd,
.model-facts dd,
.viewport-coordinates dd,
.signal-meta dd {
  margin: 0.15rem 0 0;
  overflow-wrap: anywhere;
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
}

.workbench-language {
  display: grid;
  justify-items: end;
  gap: 0.45rem;
}

.workbench-language label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--workbench-muted);
  font-size: 0.68rem;
}

.workbench-language select {
  min-height: 36px;
  padding: 0.25rem 0.45rem;
  color: #f5f7f4;
  border: 1px solid var(--workbench-line);
  background: #101314;
}

.demo-badge {
  padding: 0.3rem 0.48rem;
  color: #dce8e1;
  border-left: 3px solid #6bb68e;
  background: #1b2923;
  font-size: 0.65rem;
}

.workbench-nav {
  min-height: 58px;
  padding: 0.42rem max(1rem, calc((100% - 1440px) / 2));
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--workbench-line);
  background: #15191a;
}

.view-modes,
.scene-tools {
  display: flex;
  gap: 0.35rem;
}

.view-modes button {
  min-width: 5.2rem;
  padding: 0.45rem 0.8rem;
  font-size: 0.75rem;
}

.view-modes button[aria-pressed="true"] {
  color: #15191a;
  border-color: #e6b938;
  background: #e6b938;
}

.scene-tools button {
  width: 44px;
  padding: 0;
  font-size: 1.1rem;
}

.scene-tools button[aria-pressed="true"] {
  color: #e6b938;
  border-color: #e6b938;
}

.render-quality {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-width: 10.5rem;
}

.render-quality button {
  min-width: 0;
  padding: 0.45rem 0.65rem;
  border-radius: 0;
  font-size: 0.72rem;
}

.render-quality button:first-child {
  border-radius: 4px 0 0 4px;
}

.render-quality button:last-child {
  margin-left: -1px;
  border-radius: 0 4px 4px 0;
}

.render-quality button[aria-pressed="true"] {
  color: #15191a;
  border-color: #77a6a0;
  background: #77a6a0;
}

.run-command {
  min-width: 6.4rem;
  padding: 0.45rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  color: #15191a !important;
  border-color: #6bb68e !important;
  background: #6bb68e !important;
  font-weight: 800;
}

.fullscreen-workspace {
  min-width: 0;
}

.workbench-grid {
  width: min(100%, 1440px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px minmax(420px, 1fr) 292px;
  grid-template-rows: minmax(520px, calc(100vh - 306px)) 190px;
  border-inline: 1px solid var(--workbench-line);
}

.scene-tree,
.model-inspector {
  min-width: 0;
  overflow: auto;
  background: var(--workbench-surface);
}

.scene-tree {
  border-right: 1px solid var(--workbench-line);
}

.model-inspector {
  border-left: 1px solid var(--workbench-line);
}

.panel-heading {
  min-height: 52px;
  padding: 0.7rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  border-bottom: 1px solid var(--workbench-line);
}

.panel-heading > span,
.signal-meta > div > span {
  color: #e6b938;
  font-size: 0.65rem;
  font-variant-numeric: tabular-nums;
}

.panel-heading h2,
.signal-meta h2 {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0;
}

.tree-group {
  border-bottom: 1px solid var(--workbench-line);
}

.tree-group > p {
  margin: 0;
  padding: 0.6rem 0.9rem 0.35rem;
  color: var(--workbench-muted);
  font-size: 0.65rem;
  font-weight: 700;
}

.tree-group button {
  width: 100%;
  padding: 0.45rem 0.9rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  text-align: left;
  border: 0;
  border-top: 1px solid transparent;
  border-bottom: 1px solid transparent;
  border-radius: 0;
}

.tree-group button span {
  font-size: 0.76rem;
  font-weight: 800;
}

.tree-group button small {
  color: var(--workbench-muted);
  font-size: 0.62rem;
}

.tree-group button[aria-pressed="true"] {
  color: #f5f7f4;
  border-top-color: #267a54;
  border-bottom-color: #267a54;
  background: #24342c;
  box-shadow: inset 3px 0 #6bb68e;
}

.unified-layer-controls {
  padding-bottom: 0.7rem;
}

.unified-layer-actions {
  padding: 0.35rem 0.55rem 0.5rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.3rem;
}

.tree-group .unified-layer-actions button {
  min-height: 36px;
  padding: 0.35rem;
  display: block;
  border: 1px solid #46514e;
  border-radius: 3px;
  font-size: 0.6rem;
  text-align: center;
}

.unified-layer-list {
  border-block: 1px solid #2c3432;
}

.unified-layer-list > label {
  min-height: 40px;
  padding: 0.35rem 0.55rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(3.4rem, 0.45fr);
  align-items: center;
  gap: 0.4rem;
  border-bottom: 1px solid #2a3130;
  font-size: 0.62rem;
}

.unified-layer-list > label:last-child {
  border-bottom: 0;
}

.unified-layer-list input[type="checkbox"] {
  width: 16px;
  min-height: 16px;
  accent-color: #6bb68e;
}

.unified-layer-list input[type="range"],
.unified-slider input,
.unified-clip-control > input {
  width: 100%;
  min-width: 0;
  min-height: 28px;
  accent-color: #6bb68e;
}

.unified-slider,
.unified-clip-control {
  padding: 0.55rem;
  display: grid;
  gap: 0.35rem;
  color: #bcc7c3;
  font-size: 0.62rem;
}

.unified-slider > span {
  display: flex;
  justify-content: space-between;
}

.unified-clip-control > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tree-group .unified-clip-control button {
  min-height: 34px;
  padding: 0.25rem;
  display: block;
  border: 1px solid #46514e;
  font-size: 0.56rem;
  text-align: center;
}

.tree-group .unified-clip-control button[aria-pressed="true"] {
  color: #101514;
  background: #d7e8df;
  box-shadow: none;
}

.anatomy-select {
  display: grid;
  gap: 0.3rem;
  padding: 0.6rem 0.9rem;
  color: var(--workbench-muted);
  font-size: 0.65rem;
}

.anatomy-select select {
  width: 100%;
  min-width: 0;
  min-height: 38px;
  padding: 0.3rem;
  color: inherit;
  border: 1px solid var(--workbench-line);
  background: #101414;
}

.anatomy-controls [data-anatomy-layers] button {
  min-height: 38px;
}

.atlas-browser {
  padding: 0.7rem 0.9rem 0.85rem;
  display: grid;
  gap: 0.55rem;
  border-top: 1px solid var(--workbench-line);
  background: #111616;
}

.atlas-browser-heading,
.atlas-result-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.atlas-browser-heading strong {
  color: #e9eeeb;
  font-size: 0.7rem;
}

.tree-group .atlas-browser-heading button {
  width: 32px;
  min-width: 32px;
  height: 32px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid #46514e;
  background: #151b1a;
  text-align: center;
}

.atlas-browser .anatomy-select {
  padding: 0;
}

.atlas-view-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid #46514e;
}

.tree-group .atlas-view-modes button {
  min-height: 36px;
  padding: 0.35rem;
  display: block;
  border: 0;
  border-right: 1px solid #46514e;
  color: #aeb9b6;
  background: #101414;
  font-size: 0.66rem;
  text-align: center;
}

.tree-group .atlas-view-modes button:last-child {
  border-right: 0;
}

.tree-group .atlas-view-modes button[aria-pressed="true"] {
  color: #101514;
  background: #d7e8df;
  box-shadow: none;
}

.atlas-opacity {
  display: grid;
  gap: 0.3rem;
  color: var(--workbench-muted);
  font-size: 0.63rem;
}

.atlas-opacity span {
  display: flex;
  justify-content: space-between;
}

.atlas-opacity input {
  width: 100%;
  accent-color: #6bb68e;
}

.atlas-search input {
  box-sizing: border-box;
  width: 100%;
  min-height: 40px;
  padding: 0.45rem 0.55rem;
  border: 1px solid #46514e;
  border-radius: 0;
  background: #0d1111;
  color: #e9eeeb;
  font: inherit;
  font-size: 0.68rem;
}

.atlas-result-meta {
  color: #84918d;
  font-size: 0.58rem;
}

.atlas-results {
  min-height: 5rem;
  max-height: 15rem;
  overflow-y: auto;
  border: 1px solid #323b38;
  background: #0d1111;
}

.tract-browser {
  margin-top: 0.35rem;
  padding-top: 0.65rem;
  display: grid;
  gap: 0.55rem;
  border-top: 1px solid var(--workbench-line);
}

.tract-browser .atlas-browser-heading > span {
  color: #8ba59e;
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
}

.tract-results {
  max-height: 12rem;
}

.tree-group .atlas-results button {
  min-height: 38px;
  padding: 0.38rem 0.5rem;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.45rem;
  border-bottom: 1px solid #252c2a;
  color: #dce4e1;
  background: transparent;
}

.tree-group .atlas-results button span {
  overflow-wrap: anywhere;
  font-size: 0.64rem;
  font-weight: 650;
}

.tree-group .atlas-results button small {
  font-variant-numeric: tabular-nums;
}

.tree-group .atlas-results button[aria-selected="true"] {
  border-color: #267a54;
  background: #24342c;
  box-shadow: inset 3px 0 #6bb68e;
}

.atlas-selection {
  margin: 0;
  padding: 0.5rem;
  display: grid;
  gap: 0.35rem;
  border: 1px solid #323b38;
}

.atlas-selection div {
  display: grid;
  grid-template-columns: 3.8rem minmax(0, 1fr);
  gap: 0.4rem;
}

.atlas-selection dt,
.atlas-selection dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 0.6rem;
}

.atlas-selection dt {
  color: #788581;
}

.atlas-selection dd {
  color: #dce4e1;
}

.atlas-layer-boundary {
  margin: 0;
  color: #8f9b97;
  font-size: 0.57rem;
  line-height: 1.45;
}

.atlas-browser > a {
  color: #6bb68e;
  font-size: 0.62rem;
}

.anatomy-boundary {
  display: block;
  padding: 0.65rem 0.9rem;
  color: var(--workbench-muted);
  line-height: 1.45;
}

.anatomy-registry {
  display: block;
  padding: 0.65rem 0.9rem 0.85rem;
  color: #6bb68e;
  font-size: 0.68rem;
}

.platform-ledger {
  border-top: 1px solid var(--workbench-line);
  border-bottom: 1px solid var(--workbench-line);
  background: #141819;
}

.platform-ledger .eyebrow {
  color: #91c9ae;
}

.platform-ledger > header {
  padding: 1rem max(1rem, calc((100% - 1440px) / 2));
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.platform-ledger h2 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: 0;
}

.platform-ledger [data-stage-status] {
  color: var(--workbench-muted);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
}

.stage-tabs {
  padding-inline: max(1rem, calc((100% - 1440px) / 2));
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--workbench-line);
}

.stage-tabs button {
  min-width: 0;
  border-width: 0 1px 0 0;
  border-color: var(--workbench-line);
}

.stage-tabs button[aria-pressed="true"] {
  color: #101314;
  background: #6bb68e;
}

.stage-content {
  min-height: 250px;
  padding: 1rem max(1rem, calc((100% - 1440px) / 2));
}

.stage-boundary {
  margin: 0 0 0.9rem;
  color: #c4cecb;
  font-size: 0.75rem;
  line-height: 1.55;
}

.stage-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--workbench-line);
}

.stage-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  color: #f5f7f4;
  background: #141819;
  font-size: 0.72rem;
}

.stage-table th,
.stage-table td {
  padding: 0.65rem 0.75rem;
  border-right: 1px solid #2d3534;
  border-bottom: 1px solid #2d3534;
  text-align: left;
  vertical-align: top;
}

.stage-table th {
  color: #91c9ae;
  background: #101414;
}

.stage-metrics {
  margin: 0 0 1rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--workbench-line);
}

.stage-metrics div {
  min-width: 0;
  padding: 0.7rem;
  border-right: 1px solid var(--workbench-line);
}

.stage-metrics dt {
  color: var(--workbench-muted);
  font-size: 0.65rem;
}

.stage-metrics dd {
  margin: 0.25rem 0 0;
  overflow-wrap: anywhere;
  font-size: 0.78rem;
}

.governance-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--workbench-line);
}

.governance-timeline li {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--workbench-line);
}

.governance-decision {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #91c9ae;
}

.governance-timeline p {
  margin: 0.35rem 0;
}

.governance-timeline small {
  color: var(--workbench-muted);
}

.platform-ledger > footer {
  padding: 0.8rem max(1rem, calc((100% - 1440px) / 2));
  border-top: 1px solid var(--workbench-line);
}

.platform-ledger > footer a {
  color: #6bb68e;
  font-size: 0.72rem;
}

.brain-stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #0d1010;
}

.surface-view,
.volume-view {
  position: absolute;
  inset: 0;
  min-width: 0;
  min-height: 0;
}

.volume-view {
  box-sizing: border-box;
  padding: 6rem 0.65rem 6.25rem;
}

.brain-stage canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.brain-display-switch {
  position: absolute;
  z-index: 8;
  inset: 0.65rem auto auto 0.65rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(13rem, calc(100% - 1.3rem));
  border: 1px solid #3a4441;
  background: rgba(12, 15, 15, 0.94);
}

.brain-display-switch button {
  min-width: 0;
  min-height: 2rem;
  padding: 0.35rem 0.65rem;
  border: 0;
  border-right: 1px solid #3a4441;
  border-radius: 0;
  background: transparent;
  color: #aeb9b6;
  font: inherit;
  font-size: 0.7rem;
}

.brain-display-switch button:last-child {
  border-right: 0;
}

.brain-display-switch button[aria-pressed="true"] {
  background: #d7e8df;
  color: #101514;
}

.unified-presets {
  position: absolute;
  z-index: 7;
  inset: 3.15rem 0.65rem auto;
  display: flex;
  gap: 0.3rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.unified-presets button {
  min-width: max-content;
  min-height: 34px;
  padding: 0.3rem 0.55rem;
  border: 1px solid #3a4441;
  background: rgba(12, 15, 15, 0.92);
  font-size: 0.6rem;
}

.unified-presets button[aria-pressed="true"] {
  color: #101514;
  border-color: #77a6a0;
  background: #77a6a0;
}

.surface-fullscreen {
  position: absolute;
  z-index: 9;
  inset: 0.65rem 0.65rem auto auto;
  min-height: 2.1rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid #596662;
  border-radius: 2px;
  background: rgba(12, 15, 15, 0.94);
  color: #d8e1de;
  font: inherit;
  font-size: 0.68rem;
}

.surface-fullscreen:hover,
.surface-fullscreen:focus-visible {
  border-color: #91c9ae;
  color: #ffffff;
}

.fullscreen-dock-controls {
  display: none;
}

.fullscreen-workspace:fullscreen {
  width: 100vw;
  height: 100vh;
  max-width: none;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  background: #0d1010;
}

.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="top"]) {
  grid-template-rows: minmax(0, 1fr);
}

.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="top"]) > .fullscreen-top-dock {
  display: none;
}

.fullscreen-workspace:fullscreen > .fullscreen-top-dock {
  position: relative;
  z-index: 18;
  width: 100%;
}

.fullscreen-workspace:fullscreen .workbench-head {
  min-height: 54px;
  padding: 0.4rem 1rem;
  align-items: center;
  gap: 1rem;
}

.fullscreen-workspace:fullscreen .workbench-head h1 {
  font-size: 1rem;
}

.fullscreen-workspace:fullscreen .workbench-head .eyebrow {
  margin: 0;
  font-size: 0.58rem;
}

.fullscreen-workspace:fullscreen .run-summary {
  grid-template-columns: repeat(4, minmax(5.2rem, 1fr));
}

.fullscreen-workspace:fullscreen .workbench-language {
  grid-auto-flow: column;
  align-items: center;
}

.fullscreen-workspace:fullscreen > .workbench-grid {
  --fullscreen-left: 0px;
  --fullscreen-right: 0px;
  --fullscreen-bottom: 0px;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  display: grid;
  grid-template-columns: var(--fullscreen-left) minmax(0, 1fr) var(--fullscreen-right);
  grid-template-rows: minmax(0, 1fr) var(--fullscreen-bottom);
  border: 0;
}

.fullscreen-workspace:fullscreen[data-fullscreen-dock-open~="left"] > .workbench-grid {
  --fullscreen-left: clamp(230px, 19vw, 300px);
}

.fullscreen-workspace:fullscreen[data-fullscreen-dock-open~="right"] > .workbench-grid {
  --fullscreen-right: clamp(260px, 21vw, 330px);
}

.fullscreen-workspace:fullscreen[data-fullscreen-dock-open~="bottom"] > .workbench-grid {
  --fullscreen-bottom: clamp(145px, 23vh, 220px);
}

.fullscreen-workspace:fullscreen .scene-tree {
  grid-column: 1;
  grid-row: 1;
}

.fullscreen-workspace:fullscreen .brain-stage {
  grid-column: 2;
  grid-row: 1;
}

.fullscreen-workspace:fullscreen .model-inspector {
  grid-column: 3;
  grid-row: 1;
}

.fullscreen-workspace:fullscreen .signal-dock {
  grid-column: 1 / -1;
  grid-row: 2;
}

.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="left"]) .scene-tree,
.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="right"]) .model-inspector,
.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="bottom"]) .signal-dock {
  display: none;
}

.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="top"]) .brain-display-switch,
.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="top"]) .unified-presets,
.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="top"]) .viewport-help,
.fullscreen-workspace:fullscreen:not([data-fullscreen-dock-open~="top"]) .viewport-status,
.fullscreen-workspace:fullscreen[data-fullscreen-dock-open=""] .viewport-selection {
  display: none;
}

.fullscreen-workspace:fullscreen .fullscreen-dock-controls {
  display: block;
}

.fullscreen-workspace:fullscreen .fullscreen-dock-controls button {
  position: absolute;
  z-index: 24;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid #596662;
  border-radius: 2px;
  background: rgba(12, 15, 15, 0.94);
  color: #d8e1de;
  font: inherit;
  font-size: 1rem;
}

.fullscreen-workspace:fullscreen .fullscreen-dock-controls button:hover,
.fullscreen-workspace:fullscreen .fullscreen-dock-controls button:focus-visible,
.fullscreen-workspace:fullscreen .fullscreen-dock-controls button[aria-expanded="true"],
.fullscreen-workspace:fullscreen [data-fullscreen-model-only][aria-pressed="true"] {
  color: #101514;
  border-color: #91c9ae;
  background: #91c9ae;
}

.fullscreen-workspace:fullscreen [data-fullscreen-dock-toggle="top"] {
  inset: 0.45rem auto auto 50%;
  transform: translateX(-50%);
}

.fullscreen-workspace:fullscreen [data-fullscreen-dock-toggle="left"] {
  inset: 50% auto auto 0.45rem;
  transform: translateY(-50%);
}

.fullscreen-workspace:fullscreen [data-fullscreen-dock-toggle="right"] {
  inset: 50% 0.45rem auto auto;
  transform: translateY(-50%);
}

.fullscreen-workspace:fullscreen [data-fullscreen-dock-toggle="bottom"] {
  inset: auto auto 0.45rem 50%;
  transform: translateX(-50%);
}

.fullscreen-workspace:fullscreen [data-fullscreen-model-only] {
  inset: 0.45rem 7.2rem auto auto;
}

.fullscreen-workspace:fullscreen .surface-fullscreen {
  z-index: 25;
}

@media (max-width: 720px) {
  .fullscreen-workspace:fullscreen > .workbench-grid {
    --fullscreen-left: 0px;
    --fullscreen-right: 0px;
    --fullscreen-bottom: 0px;
    position: relative;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
  }

  .fullscreen-workspace:fullscreen .brain-stage {
    width: 100%;
    height: 100%;
    min-height: 0;
    grid-column: 1;
    grid-row: 1;
    aspect-ratio: auto;
    order: initial;
  }

  .fullscreen-workspace:fullscreen .scene-tree,
  .fullscreen-workspace:fullscreen .model-inspector,
  .fullscreen-workspace:fullscreen .signal-dock {
    position: absolute;
    z-index: 22;
    inset: auto 0.4rem 0.4rem;
    width: auto;
    max-height: min(62vh, 36rem);
    grid-column: 1;
    grid-row: 1;
    overflow: auto;
    border: 1px solid #596662;
    box-shadow: 0 -12px 28px rgba(0, 0, 0, 0.44);
    order: initial;
  }

  .fullscreen-workspace:fullscreen .signal-dock {
    display: grid;
    grid-template-columns: 1fr;
  }

  .fullscreen-workspace:fullscreen .fullscreen-dock-controls button {
    width: 2.5rem;
    height: 2.5rem;
  }

  .fullscreen-workspace:fullscreen [data-fullscreen-model-only] {
    inset-inline-end: 6.6rem;
  }
}

.viewport-status {
  position: absolute;
  inset: 0.7rem 0.7rem auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #b8c3c0;
  font-size: 0.65rem;
  pointer-events: none;
}

.surface-view .viewport-status {
  inset: 7.55rem 0.7rem auto;
}

.viewport-help {
  position: absolute;
  z-index: 7;
  inset: 5.55rem 0.7rem auto;
  width: max-content;
  max-width: calc(100% - 1.4rem);
  padding: 0.32rem 0.48rem;
  border-left: 2px solid #77a6a0;
  background: rgba(12, 15, 15, 0.9);
  color: #d3ddda;
  font-size: 0.6rem;
  line-height: 1.35;
}

.viewport-help-touch {
  display: none;
}

.workbench-tooltip {
  position: fixed;
  z-index: 1000;
  width: min(22rem, calc(100vw - 1rem));
  padding: 0.6rem 0.7rem;
  border: 1px solid #71807b;
  border-radius: 4px;
  background: #111615;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
  color: #edf3f0;
  font-size: 0.72rem;
  line-height: 1.5;
  pointer-events: none;
}

.workbench-tooltip[hidden] {
  display: none;
}

.volume-toolbar {
  position: absolute;
  z-index: 4;
  inset: 3.2rem 0.65rem auto;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 0.75rem;
  pointer-events: none;
}

.volume-toolbar label {
  display: grid;
  gap: 0.25rem;
  color: #aeb9b6;
  font-size: 0.62rem;
  pointer-events: auto;
}

.volume-toolbar select {
  width: min(19rem, 65vw);
  min-height: 2rem;
  border: 1px solid #46514e;
  border-radius: 0;
  background: rgba(12, 15, 15, 0.94);
  color: #ecf2ef;
  font: inherit;
}

.volume-toolbar > span {
  color: #bec9c5;
  font-size: 0.65rem;
  text-align: right;
}

.volume-location {
  position: absolute;
  z-index: 4;
  inset: auto 0.65rem 3.2rem;
  margin: 0;
  padding: 0.45rem 0.55rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  border: 1px solid #343c3b;
  background: rgba(16, 19, 20, 0.88);
  pointer-events: none;
}

.volume-location div {
  min-width: 0;
}

.volume-location dt,
.volume-location dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.volume-location dt {
  color: #788581;
  font-size: 0.58rem;
  text-transform: uppercase;
}

.volume-location dd {
  margin-top: 0.15rem;
  color: #e1e8e5;
  font-size: 0.65rem;
}

.volume-boundary {
  position: absolute;
  z-index: 4;
  inset: auto 0.65rem 0.55rem;
  margin: 0;
  color: #aeb9b6;
  font-size: 0.58rem;
  line-height: 1.35;
  pointer-events: none;
}

.volume-evidence {
  position: absolute;
  z-index: 5;
  inset: 0.65rem 0.65rem auto auto;
  display: flex;
  gap: 0.65rem;
}

.volume-evidence a {
  color: #91c9ae;
  font-size: 0.6rem;
}

.volume-fallback {
  position: absolute;
  z-index: 6;
  inset: 50% auto auto 50%;
  width: min(28rem, calc(100% - 2rem));
  padding: 0.9rem;
  display: grid;
  gap: 0.55rem;
  transform: translate(-50%, -50%);
  border: 1px solid #59625f;
  background: rgba(14, 17, 17, 0.96);
  color: #dce4e1;
  text-align: center;
}

.volume-fallback button {
  min-height: 2.1rem;
  border: 1px solid #6bb68e;
  border-radius: 0;
  background: transparent;
  color: #91c9ae;
}

.viewport-status span:first-child::before {
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.45rem;
  display: inline-block;
  border-radius: 50%;
  background: #6bb68e;
  content: "";
}

.viewport-selection {
  position: absolute;
  z-index: 8;
  inset: auto 0.7rem 0.7rem auto;
  width: min(42rem, calc(100% - 1.4rem));
  max-height: 38%;
  overflow: auto;
  border: 1px solid #45504e;
  background: rgba(16, 19, 20, 0.94);
}

.viewport-selection[hidden] {
  display: none;
}

.selection-close {
  position: sticky;
  z-index: 1;
  inset: 0.35rem 0.35rem auto auto;
  float: right;
  width: 1.8rem;
  height: 1.8rem;
  margin: 0.35rem 0.35rem -2.15rem 0;
  padding: 0;
  border: 1px solid #596662;
  border-radius: 2px;
  background: #151b1a;
  color: #d8e1de;
  font: inherit;
  font-size: 1.1rem;
  line-height: 1;
}

.viewport-coordinates {
  margin: 0;
  padding: 0.6rem 2.6rem 0.6rem 0.7rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.viewport-coordinates .selection-function {
  grid-column: 1 / -1;
}

.webgl-fallback {
  position: absolute;
  inset: 0;
  padding: 2rem;
  display: grid;
  place-content: center;
  text-align: center;
  background: #15191a;
}

.webgl-fallback span {
  color: var(--workbench-muted);
}

.webgl-fallback button {
  justify-self: center;
  margin-top: 0.75rem;
}

.inspector-identity,
.model-inspector form,
.protocol-actions,
.model-facts,
.result-boundary {
  margin: 0;
  padding: 0.9rem;
  border-bottom: 1px solid var(--workbench-line);
}

.protocol-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.protocol-actions button,
.import-command {
  min-width: 0;
  min-height: 44px;
  padding: 0.55rem;
  display: grid;
  place-items: center;
  color: #f5f7f4;
  border: 1px solid var(--workbench-line);
  border-radius: 4px;
  background: #101314;
  font-size: 0.68rem;
  text-align: center;
  cursor: pointer;
}

.import-command:hover {
  border-color: #e6b938;
  background: #242a2b;
}

.import-command input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

.import-command:focus-within {
  outline: 3px solid #e6b938;
  outline-offset: 2px;
}

.credibility-tag {
  padding: 0.18rem 0.38rem;
  display: inline-block;
  color: #15191a;
  background: #e6b938;
  font-size: 0.64rem;
  font-weight: 900;
}

.inspector-identity h3 {
  margin: 0.55rem 0 0.1rem;
  font-size: 1rem;
  letter-spacing: 0;
}

.inspector-identity p {
  margin: 0;
  color: var(--workbench-muted);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
}

.model-inspector form {
  display: grid;
  gap: 0.8rem;
}

.model-inspector label > span {
  margin-bottom: 0.25rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #d7ddda;
  font-size: 0.7rem;
}

.model-inspector output {
  color: #6bb68e;
  font-variant-numeric: tabular-nums;
}

.model-inspector select,
.model-inspector input[type="number"] {
  width: 100%;
  padding: 0.4rem 0.55rem;
  color: #f5f7f4;
  border: 1px solid var(--workbench-line);
  background: #101314;
}

.model-inspector input[type="range"] {
  accent-color: #6bb68e;
}

.model-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.model-facts div {
  min-width: 0;
  padding: 0.45rem 0.35rem;
  border-bottom: 1px solid #2c3332;
}

.result-boundary {
  color: #f3d7d3;
  border-left: 3px solid #a84337;
  font-size: 0.7rem;
  line-height: 1.5;
}

.result-boundary strong {
  color: #fff;
}

.signal-dock {
  grid-column: 1 / -1;
  min-width: 0;
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 260px;
  border-top: 1px solid var(--workbench-line);
  background: #15191a;
}

.signal-meta {
  padding: 0.75rem 0.9rem;
  border-right: 1px solid var(--workbench-line);
}

.signal-meta > div {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.signal-meta dl {
  margin: 0.7rem 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}

.signal-meta dl div:last-child {
  grid-column: 1 / -1;
}

.signal-meta dd {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-signal-timeline] {
  width: 100%;
  height: 188px;
  display: block;
}

.event-log {
  max-height: 189px;
  margin: 0;
  padding: 0.7rem 0.8rem;
  overflow: auto;
  border-left: 1px solid var(--workbench-line);
  list-style: none;
  font-size: 0.65rem;
}

.event-log li {
  padding: 0.3rem 0;
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 0.45rem;
  border-bottom: 1px solid #2c3332;
}

.event-log time {
  color: #6bb68e;
  font-variant-numeric: tabular-nums;
}

.evidence-band {
  padding: 3rem max(1rem, calc((100% - 1180px) / 2));
  color: #1b1e1f;
  background: #f5f7f4;
  border-top: 5px solid #e6b938;
}

.evidence-intro {
  max-width: 48rem;
}

.evidence-intro h2 {
  margin: 0;
  font-family: "Noto Serif CJK SC", "Source Han Serif SC", SimSun, serif;
  font-size: 1.8rem;
  letter-spacing: 0;
}

.evidence-intro > p:last-child {
  color: #4c5353;
}

.evidence-columns {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid #1b1e1f;
}

.evidence-columns section {
  min-width: 0;
  padding: 1.2rem 1rem 0 0;
  border-right: 1px solid #c9cfcb;
}

.evidence-columns section + section {
  padding-left: 1rem;
}

.evidence-columns section:last-child {
  border-right: 0;
}

.evidence-columns span {
  color: #267a54;
  font-size: 0.65rem;
  font-weight: 900;
}

.evidence-columns h3 {
  margin: 0.45rem 0;
  font-size: 1rem;
  letter-spacing: 0;
}

.evidence-columns p {
  margin: 0.45rem 0;
  color: #4c5353;
  font-size: 0.78rem;
}

.evidence-columns a {
  color: #267a54;
  font-weight: 800;
}

.evidence-downloads {
  margin-top: 1.5rem;
  padding-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  border-top: 1px solid #c9cfcb;
  font-size: 0.76rem;
}

.evidence-downloads span {
  color: #4c5353;
  font-weight: 800;
}

.evidence-downloads a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: #1f6848;
  font-weight: 800;
}

@media (max-width: 1100px) {
  .workbench-grid {
    grid-template-columns: 190px minmax(360px, 1fr) 260px;
  }

  .run-summary {
    grid-template-columns: repeat(2, minmax(7rem, 1fr));
  }
}

@media (max-width: 860px) {
  .workbench-head {
    align-items: start;
    flex-direction: column;
    gap: 1rem;
  }

  .run-summary {
    width: 100%;
  }

  .workbench-language {
    width: 100%;
    justify-items: start;
  }

  .workbench-nav {
    grid-template-columns: 1fr auto auto;
    overflow-x: auto;
  }

  .view-modes {
    min-width: max-content;
  }

  .scene-tools {
    grid-row: 2;
  }

  .render-quality {
    grid-row: 2;
  }

  .run-command {
    grid-row: 2;
    grid-column: 3;
  }

  .workbench-grid {
    display: flex;
    flex-direction: column;
    border-inline: 0;
  }

  .brain-stage {
    order: 1;
    width: 100%;
    aspect-ratio: 4 / 3;
    min-height: 360px;
    border-bottom: 1px solid var(--workbench-line);
  }

  .scene-tree {
    order: 2;
    border-right: 0;
    border-bottom: 1px solid var(--workbench-line);
  }

  .scene-tree .tree-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tree-group > p {
    grid-column: 1 / -1;
  }

  .model-inspector {
    order: 3;
    border-left: 0;
  }

  .model-inspector form,
  .model-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-dock {
    order: 4;
    display: grid;
    grid-template-columns: 1fr;
  }

  .signal-meta,
  .event-log {
    border: 0;
    border-bottom: 1px solid var(--workbench-line);
  }

  .platform-ledger > header {
    align-items: start;
    flex-direction: column;
  }

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

  .evidence-columns {
    grid-template-columns: 1fr;
  }

  .evidence-columns section,
  .evidence-columns section + section {
    padding: 1rem 0;
    border-right: 0;
    border-bottom: 1px solid #c9cfcb;
  }
}

@media (max-width: 560px) {
  .workbench-nav {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .view-modes {
    min-width: 0;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .view-modes button {
    min-width: 0;
  }

  .run-command {
    min-width: 5.25rem;
    padding-inline: 0.65rem;
  }

  .scene-tools {
    grid-column: 1;
  }

  .render-quality {
    grid-column: 1 / -1;
    grid-row: 3;
    width: 100%;
  }

  .workbench-head h1 {
    font-size: 1.55rem;
  }

  .unified-presets {
    inset-inline: 0.5rem;
    overflow-x: auto;
  }

  .viewport-help {
    inset: 5.55rem 0.5rem auto;
    max-width: calc(100% - 1rem);
  }

  .viewport-help-desktop {
    display: none;
  }

  .viewport-help-touch {
    display: inline;
  }

  .surface-view .viewport-status {
    inset-block-start: 7.7rem;
  }

  .unified-layer-actions {
    grid-template-columns: 1fr;
  }

  .run-summary {
    grid-template-columns: 1fr 1fr;
  }

  .brain-stage {
    min-height: 480px;
  }

  .brain-display-switch {
    width: 10.5rem;
  }

  .volume-evidence {
    position: absolute;
    inset: 0.65rem 0.65rem auto 11.6rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.2rem 0.55rem;
  }

  .volume-toolbar {
    inset-block-start: 4.4rem;
    align-items: stretch;
    flex-direction: column;
    gap: 0.35rem;
  }

  .volume-view {
    padding: 8.75rem 0.65rem 7rem;
  }

  .volume-toolbar select {
    width: min(100%, 18rem);
  }

  .volume-toolbar > span {
    text-align: left;
  }

  .volume-location {
    grid-template-columns: 1fr;
  }

  .volume-location div:first-child {
    display: none;
  }

  .viewport-coordinates {
    grid-template-columns: 1fr 1fr;
  }

  .viewport-selection {
    inset: auto 0.5rem 0.5rem;
    width: auto;
    max-height: 46%;
  }

  .viewport-coordinates div:last-child {
    display: none;
  }

  .model-inspector form,
  .model-facts,
  .scene-tree .tree-group {
    grid-template-columns: 1fr;
  }

  .tree-group > p {
    grid-column: auto;
  }

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

  .stage-tabs button {
    white-space: normal;
  }

  .stage-metrics {
    grid-template-columns: 1fr;
  }

  .evidence-band {
    padding-top: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brain-workbench *,
  .brain-workbench *::before,
  .brain-workbench *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 720px) {
  body[data-page-kind="workbench"][data-immersive-mode] {
    width: 100%;
    height: 100dvh;
    overflow: hidden;
    padding: 0;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .reading-progress,
  body[data-page-kind="workbench"][data-immersive-mode] .publication-bar,
  body[data-page-kind="workbench"][data-immersive-mode] .translation-notice,
  body[data-page-kind="workbench"][data-immersive-mode] .platform-ledger,
  body[data-page-kind="workbench"][data-immersive-mode] .evidence-band,
  body[data-page-kind="workbench"][data-immersive-mode] .site-footer {
    display: none;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .report-tabs {
    width: 100%;
    min-height: 0;
    padding-top: env(safe-area-inset-top);
  }

  body[data-page-kind="workbench"][data-immersive-mode] main {
    height: calc(100dvh - var(--immersive-primary-nav-height, 0px));
    min-height: 0;
    padding-bottom: env(safe-area-inset-bottom);
    overflow: hidden;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .brain-workbench,
  body[data-page-kind="workbench"][data-immersive-mode] .fullscreen-workspace {
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .fullscreen-workspace {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
  }

  body[data-page-kind="workbench"][data-immersive-mode] .workbench-head {
    width: 100%;
    min-height: 44px;
    padding: 0.35rem max(0.65rem, env(safe-area-inset-right)) 0.35rem max(0.65rem, env(safe-area-inset-left));
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .workbench-head > div {
    min-width: 0;
    flex: 1 1 auto;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .workbench-head .eyebrow,
  body[data-page-kind="workbench"][data-immersive-mode] .run-summary,
  body[data-page-kind="workbench"][data-immersive-mode] .workbench-language {
    display: none;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .workbench-head h1 {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.15;
    overflow-wrap: anywhere;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .immersive-exit {
    flex: 0 0 auto;
    min-width: 44px;
    padding: 0.35rem 0.55rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border: 1px solid #858f8c;
    background: #181d1d;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .immersive-exit img {
    width: 1rem;
    height: 1rem;
    filter: invert(1);
  }

  body[data-page-kind="workbench"][data-immersive-mode] .workbench-grid {
    width: 100%;
    height: 100%;
    min-height: 0;
    margin: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
    border: 0;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .workbench-nav,
  body[data-page-kind="workbench"][data-immersive-mode] .scene-tree,
  body[data-page-kind="workbench"][data-immersive-mode] .model-inspector,
  body[data-page-kind="workbench"][data-immersive-mode] .signal-dock,
  body[data-page-kind="workbench"][data-immersive-mode] .fullscreen-dock-controls,
  body[data-page-kind="workbench"][data-immersive-mode] .brain-display-switch,
  body[data-page-kind="workbench"][data-immersive-mode] .surface-fullscreen,
  body[data-page-kind="workbench"][data-immersive-mode] .unified-presets,
  body[data-page-kind="workbench"][data-immersive-mode] .viewport-help,
  body[data-page-kind="workbench"][data-immersive-mode] .viewport-status,
  body[data-page-kind="workbench"][data-immersive-mode] .viewport-selection,
  body[data-page-kind="workbench"][data-immersive-mode] .volume-view,
  body[data-page-kind="workbench"][data-immersive-mode] .workbench-tooltip,
  body[data-page-kind="workbench"][data-immersive-mode] [data-unified-retry] {
    display: none !important;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .brain-stage {
    width: 100%;
    height: 100%;
    min-height: 0;
    grid-column: 1;
    grid-row: 1;
    aspect-ratio: auto;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .surface-view {
    inset: 0;
    display: block !important;
  }

  body[data-page-kind="workbench"][data-immersive-mode] .brain-stage canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
  }
}