src/style.css

@font-face {
  font-family: Inter;
  src: url('/fonts/InterVariable.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
:root {
  color-scheme: dark;
  --bg: #10171d;
  --line: #2b3641;
  --text: #f4f5fa;
  --muted: #a8bbd2;
  --subtle: #8599ae;
  --violet: #8d65ff;
  --purple: #7254f5;
  --green: #4be8ae;
  --top: clamp(28px, 4.7svh, 42px);
  font:
    16px Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}
.icon-definitions {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.icon {
  width: 24px;
  height: 24px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
  pointer-events: none;
}
button,
select,
input {
  font: inherit;
}
button,
select {
  cursor: pointer;
  color: inherit;
}
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 18px;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  font-size: 1rem;
  white-space: nowrap;
  line-height: 1.25;
  transition:
    background 0.16s,
    color 0.16s;
}
button:hover {
  background: #ffffff08;
  color: #fff;
}
button:disabled {
  opacity: 0.5;
  cursor: default;
}
button:focus-visible,
select:focus-visible,
input:focus-visible,
a:focus-visible,
canvas:focus-visible,
summary:focus-visible {
  outline: 2px solid #b298ff;
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
a {
  color: #b8a3ff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.workspace {
  display: grid;
  grid-template-columns: 54% 46%;
  height: 100svh;
  min-height: 740px;
}
.brain-pane,
.fly-pane {
  min-width: 0;
  min-height: 0;
  display: grid;
  position: relative;
}
.brain-pane {
  container: brain / inline-size;
  --panel-pad: clamp(20px, 4.8cqw, 46px);
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  background: radial-gradient(ellipse at 42% 40%, #0b141d 0, #10171d 72%);
  border-right: 1px solid #35424e;
}
.fly-pane {
  container: response / inline-size;
  --panel-pad: clamp(20px, 4.2cqw, 36px);
  grid-template-rows: minmax(0, 1fr) auto auto;
  background: #10171d;
}
.pane-head {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: var(--top) var(--panel-pad) 0;
  min-height: 112px;
  min-width: 0;
}
.section-index {
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--violet);
  font-weight: 450;
  flex: none;
}
.pane-title {
  min-width: 0;
}
.pane-head h1,
.pane-head h2 {
  font-size: clamp(22px, 3.5cqw, 30px);
  font-weight: 530;
  letter-spacing: -0.03em;
  line-height: 1.3;
  margin: 0;
}
.pane-title p {
  font-size: 1rem;
  line-height: 1.4;
  color: var(--muted);
  margin: 7px 0 0;
}
.projection-control {
  margin-left: auto;
  flex: none;
  display: flex;
  align-items: center;
  position: relative;
}
.projection-control select {
  appearance: none;
  width: 5.5em;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.125rem;
  padding: 8px 29px 8px 7px;
}
.projection-control:has(option[value='cns']:checked) select {
  width: 12.5em;
}
.projection-control .icon {
  position: absolute;
  right: 0;
  width: 18px;
  height: 18px;
  color: var(--muted);
  pointer-events: none;
}
select option {
  background: #1b2530;
  color: var(--text);
}
.brain-stage,
.fly-stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}
.brain-stage {
  margin-top: 16px;
}
.brain-stage canvas,
.fly-stage canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  outline-offset: -5px;
}
.brain-stage canvas {
  touch-action: none;
  cursor: crosshair;
}
.brain-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  color: var(--muted);
  background: #10171df5;
  font-size: 0.9375rem;
}
.brain-key {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 16px;
  padding: 10px var(--panel-pad) 0;
  min-height: 66px;
}
.side-label {
  color: var(--muted);
  font-size: 1.125rem;
}
.side-label:last-child {
  text-align: right;
}
.activity-key {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.875rem;
  padding-top: 25px;
}
.activity-key span {
  display: flex;
  align-items: center;
  gap: 13px;
  white-space: nowrap;
}
.activity-key i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 2px #ffffff15;
}
.rest {
  background: #7f9db7;
}
.stim {
  background: #a479ff;
  box-shadow: 0 0 9px #8252cf60 !important;
}
.fire {
  background: #ffc56b;
  box-shadow: 0 0 8px #f6b65366 !important;
}
.paint-controls {
  padding: 34px var(--panel-pad) 46px;
  min-width: 0;
}
.paint-tools {
  display: grid;
  grid-template-columns: max-content max-content minmax(0, 1fr) max-content max-content;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.tool-button {
  color: #d0dcef;
}
.tool-button[aria-pressed='true'] {
  background: linear-gradient(115deg, #443482, #39327a);
  color: #fff;
}
.primary {
  background: linear-gradient(115deg, #694ef0, #5c44e8);
  border-color: #9a80ff25;
  color: #fff;
  box-shadow: inset 0 1px #ffffff10;
  padding-inline: 18px;
}
.primary:hover {
  background: linear-gradient(115deg, #795dff, #6b50f4);
}
.primary:disabled {
  opacity: 0.6;
}
.brush-size {
  display: grid;
  grid-template-columns: auto minmax(24px, 1fr) auto;
  align-items: center;
  gap: 14px;
  min-width: 0;
  color: var(--muted);
  font-size: 0.875rem;
  padding-left: 20px;
  border-left: 1px solid #26323e;
  white-space: nowrap;
}
.brush-size input {
  width: 100%;
  min-width: 0;
  margin: 0;
}
.brush-size output {
  min-width: 40px;
  font-variant-numeric: tabular-nums;
}
input[type='range'] {
  appearance: none;
  height: 8px;
  background: linear-gradient(to right, #8c66ff var(--range, 29.1%), #29333f var(--range, 29.1%));
  border: 1px solid #3a4654;
  border-radius: 10px;
  cursor: pointer;
}
input[type='range']::-webkit-slider-thumb {
  appearance: none;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: linear-gradient(#9875ff, #6449fa);
  border: 2px solid #f5f0ff;
  box-shadow: 0 1px 5px #0008;
}
input[type='range']::-moz-range-thumb {
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #8966ff;
  border: 2px solid #f5f0ff;
}
.actions {
  margin-top: 26px;
}
.field-label {
  display: block;
  color: var(--subtle);
  font-size: 0.9375rem;
  letter-spacing: 0.025em;
  margin: 0 0 8px 2px;
}
.examples {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.examples button {
  min-width: 0;
  color: #c2d1e6;
  justify-content: center;
  gap: 21px;
  padding: 11px 12px;
  min-height: 50px;
}
.examples .icon {
  width: 27px;
  height: 27px;
  color: #f2f1f8;
}
.examples button[aria-pressed='true'] {
  background: #262449;
  color: #b5a6f8;
}
.examples button[aria-pressed='true'] .icon {
  color: #beaaff;
}
.fly-head {
  align-items: flex-start;
  gap: 22px;
  min-height: 94px;
}
.fly-head h2 {
  font-size: clamp(22px, 3.7cqw, 30px);
}
.transport {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
}
.transport button {
  font-size: 1rem;
  padding: 3px 7px;
  gap: 13px;
  color: #c5d3e7;
  min-height: 34px;
}
.transport .icon {
  width: 22px;
  height: 22px;
  color: #f4f4fc;
}
.divider {
  height: 29px;
  width: 1px;
  background: #27333f;
  margin: 0 8px;
}
.response-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 var(--panel-pad);
  min-height: 50px;
}
.body-state {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--green);
  font-size: 1.125rem;
  white-space: nowrap;
}
.body-state #behavior {
  overflow: hidden;
  text-overflow: ellipsis;
}
.body-state #behavior-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}
.body-state[data-rest='true'] {
  color: #a8bbd2;
}
.body-state small {
  font-size: 0.75rem;
  color: var(--subtle);
  white-space: normal;
  max-width: 120px;
  line-height: 1.4;
}
.body-state small:empty {
  display: none;
}
.camera-tabs {
  display: flex;
  align-items: center;
  gap: 21px;
  flex: none;
}
.camera-tabs button {
  color: #9eb4d0;
  border-radius: 0;
  position: relative;
  min-height: 42px;
  padding: 8px 15px;
  font-size: 1.0625rem;
}
.camera-tabs button[aria-pressed='true'] {
  color: #fff;
}
.camera-tabs button[aria-pressed='true']:after {
  content: '';
  position: absolute;
  height: 5px;
  background: #9471ff;
  left: 10px;
  right: 10px;
  bottom: 0;
  border-radius: 3px;
}
.fly-surface {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #10171d;
}
.fly-surface .fly-stage {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
  mask-image: none;
  -webkit-mask-image: none;
}
.fly-surface .fly-head {
  grid-row: 1;
}
.fly-surface .response-bar {
  grid-row: 2;
}
.fly-surface .specimen-line {
  grid-row: 4;
  min-height: 56px;
  padding-bottom: 14px;
}
.fly-surface .fly-head,
.fly-surface .response-bar,
.fly-surface .specimen-line {
  z-index: 1;
  pointer-events: none;
  background: none;
}
.fly-surface button {
  pointer-events: auto;
}
.fly-surface .pane-head h2,
.fly-surface .body-state,
.fly-surface .specimen-line {
  text-shadow: 0 1px 8px #050a10aa;
}
.specimen-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 var(--panel-pad);
  min-height: 42px;
  color: var(--muted);
  font-size: 0.875rem;
}
.specimen-line > span:first-child {
  font-style: italic;
}
.scale {
  display: flex;
  align-items: center;
  gap: 13px;
  white-space: nowrap;
  font-style: normal;
}
#scale-bar {
  display: block;
  height: 6px;
  border: 1.5px solid #bdccdc;
  border-top: 0;
}
.readouts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 36px var(--panel-pad) 0;
}
.readouts > div {
  min-width: 0;
  padding: 0 23px;
  border-left: 1px solid #2b3743;
}
.readouts > div:first-child {
  padding-left: 0;
  border-left: 0;
}
.readouts > div:last-child {
  padding-right: 0;
}
.readouts span {
  display: block;
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 8px;
  white-space: nowrap;
}
.readouts output {
  display: block;
  font-size: 1.5rem;
  line-height: 1.25;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  min-height: 30px;
  margin-bottom: 13px;
}
.meter,
.balance {
  height: 14px;
  border: 1px solid #3b4654;
  border-radius: 8px;
  background: linear-gradient(#2b3541, #242e38);
  position: relative;
}
.meter {
  overflow: hidden;
}
.meter i,
.balance i {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  border-radius: 8px;
  background: linear-gradient(90deg, #8e65ff, #8d6bff);
  transition: width 0.1s;
}
.balance i {
  left: 50%;
  border-radius: 0;
}
.balance b {
  position: absolute;
  left: 50%;
  top: -6px;
  bottom: -5px;
  width: 2px;
  background: #e1e9f6;
  transform: translateX(-1px);
  transition: left 0.1s;
}
.scene-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 28px var(--panel-pad) 42px;
  min-height: 106px;
  position: relative;
}
.info-button {
  color: #adc0d8;
  padding: 0;
  min-height: 28px;
  width: 24px;
  border-radius: 50%;
  flex: none;
}
.info-button .icon {
  width: 22px;
  height: 22px;
}
.status-copy {
  max-height: 4.2em;
  overflow: auto;
  color: var(--subtle);
  font-size: 0.75rem;
  line-height: 1.4;
  min-width: 0;
  overflow-wrap: anywhere;
}
.status-copy strong {
  display: block;
  color: #c6d3e5;
  font-weight: 450;
}
.status-copy span {
  display: block;
}
.status-copy[data-state='ready'] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
.status-copy[data-state='error'] {
  color: #ffa7ae;
}
.start-button {
  margin-top: 18px;
  width: 100%;
  font-size: 0.875rem;
  min-height: 38px;
  padding: 7px 13px;
  background: #3a316e;
  color: #e7ddff;
}
.compute-select {
  margin-left: auto;
  position: relative;
  color: var(--muted);
  font-size: 1rem;
}
.compute-select > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  min-height: 35px;
  white-space: nowrap;
}
.compute-select > summary::-webkit-details-marker {
  display: none;
}
.compute-select > summary .icon {
  width: 18px;
  height: 18px;
}
.status-light {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #667f96;
}
.status-light.live {
  background: var(--green);
}
.status-light.error {
  background: #ff9099;
}
.compute-options {
  position: absolute;
  bottom: calc(100% + 15px);
  right: 0;
  width: 310px;
  padding: 20px;
  background: #1a232efb;
  border: 1px solid #394657;
  box-shadow: 0 16px 50px #0007;
  border-radius: 12px;
  z-index: 5;
}
.compute-options label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
}
.compute-options label:first-child {
  flex-direction: column;
  align-items: stretch;
}
.compute-options select {
  padding: 9px;
  border: 1px solid #445168;
  background: #202c3a;
  border-radius: 6px;
  font-size: 0.875rem;
}
.compute-options .check {
  margin-top: 20px;
}
.compute-options p {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--subtle);
  margin: 18px 0 0;
}
.check input {
  accent-color: var(--purple);
}
#progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  border: 0;
  accent-color: var(--violet);
}
progress::-webkit-progress-bar {
  background: #1b2634;
}
progress::-webkit-progress-value {
  background: var(--violet);
}
#neuron-tooltip {
  position: absolute;
  pointer-events: none;
  background: #17232df5;
  border: 1px solid #3e4d61;
  border-radius: 8px;
  padding: 10px 13px;
  font-size: 0.8125rem;
  line-height: 1.5;
  max-width: 240px;
  box-shadow: 0 5px 20px #0006;
  white-space: pre-line;
  z-index: 2;
}
dialog {
  color: var(--text);
  background: #18212c;
  border: 1px solid #3b4b60;
  border-radius: 14px;
  width: min(480px, calc(100vw - 32px));
  padding: 26px;
  max-height: 85svh;
}
dialog::backdrop {
  background: #060b12bf;
  backdrop-filter: blur(8px);
}
.dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}
.dialog-heading h2 {
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  margin: 0;
  font-weight: 550;
}
.dialog-heading button {
  font-size: 1.5rem;
  min-height: 36px;
  padding: 3px 10px;
}
dialog label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 22px 0;
  font-size: 0.9375rem;
}
dialog input[type='range'] {
  flex: 1;
  min-width: 50px;
}
dialog output {
  min-width: 50px;
  font-variant-numeric: tabular-nums;
}
.model-details {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 0.875rem;
  color: #b2c1d3;
}
summary {
  cursor: pointer;
}
dialog p {
  font-size: 1rem;
  line-height: 1.6;
}
.sources {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 6px;
  font-size: 0.875rem;
}

@container brain (max-width:900px) {
  .pane-head {
    gap: 18px;
  }
  .paint-tools {
    gap: 6px;
  }
  .paint-tools button {
    padding-inline: 13px;
    gap: 10px;
  }
  .brush-size {
    padding-left: 13px;
    gap: 11px;
  }
  .examples {
    gap: 8px;
  }
  .examples button {
    gap: 15px;
  }
  .projection-control select {
    font-size: 1rem;
  }
}
@container brain (max-width:760px) {
  .pane-head {
    min-height: 104px;
  }
  .pane-title p {
    font-size: 0.875rem;
  }
  .paint-tools button {
    padding-inline: 10px;
    font-size: 0.9375rem;
    gap: 8px;
  }
  .paint-tools .icon {
    width: 22px;
    height: 22px;
  }
  .brush-size {
    grid-template-columns: minmax(24px, 1fr) auto;
    padding-left: 12px;
    gap: 10px;
  }
  .brush-size > span {
    display: none;
  }
  .examples button {
    gap: 10px;
    font-size: 0.875rem;
    padding-inline: 6px;
  }
  .activity-key {
    gap: 22px;
    font-size: 0.8125rem;
  }
  .activity-key span {
    gap: 10px;
  }
}
@container brain (max-width:610px) {
  .pane-head {
    gap: 14px;
    flex-wrap: wrap;
  }
  .projection-control {
    align-self: flex-start;
  }
  .projection-control select {
    font-size: 0.875rem;
  }
  .paint-tools {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
  }
  .paint-tools button {
    padding-inline: 5px;
    gap: 8px;
  }
  .brush-size {
    grid-column: 1/-1;
    grid-row: 2;
    grid-template-columns: auto minmax(30px, 1fr) auto;
    border: 0;
    padding: 13px 0 0;
  }
  .brush-size > span {
    display: block;
  }
  .paint-tools .primary {
    grid-column: 4;
    grid-row: 1;
  }
  .paint-tools #clear {
    grid-column: 3;
    grid-row: 1;
  }
  .examples {
    gap: 4px;
  }
  .examples .icon {
    width: 23px;
    height: 23px;
  }
  .examples button {
    gap: 7px;
  }
  .paint-controls {
    padding-top: 24px;
    padding-bottom: 30px;
  }
  .brain-key {
    min-height: 58px;
  }
  .activity-key {
    gap: 16px;
  }
  .activity-key span {
    gap: 8px;
  }
}
@container brain (max-width:580px) {
  .paint-tools button {
    flex-direction: column;
    white-space: normal;
    font-size: 0.875rem;
    gap: 5px;
    padding: 9px 2px;
  }
}
@container brain (max-width:430px) {
  .paint-tools button > span {
    min-height: 2.3em;
    display: grid;
    place-items: center;
    line-height: 1.15;
  }
  .paint-tools button {
    flex-direction: column;
    font-size: 0.875rem;
    gap: 5px;
    padding: 9px 2px;
  }
  .examples button {
    flex-direction: column;
    gap: 6px;
    font-size: 0.875rem;
  }
  .pane-head {
    row-gap: 8px;
  }
  .pane-title {
    flex: 1;
  }
  .projection-control {
    flex-basis: 100%;
    justify-content: flex-end;
  }
  .brain-key {
    padding-inline: 20px;
    gap: 8px;
  }
  .activity-key {
    gap: 13px;
    font-size: 0.75rem;
  }
  .activity-key span {
    gap: 7px;
  }
  .activity-key i {
    width: 10px;
    height: 10px;
  }
  .section-index {
    font-size: 1.25rem;
  }
}
@container response (max-width:730px) {
  .fly-head {
    gap: 16px;
  }
  .transport {
    gap: 5px;
  }
  .transport button {
    padding-inline: 4px;
    gap: 8px;
    font-size: 0.875rem;
  }
  .transport .icon {
    width: 20px;
    height: 20px;
  }
  .divider {
    margin-inline: 3px;
  }
  .camera-tabs {
    gap: 10px;
  }
  .camera-tabs button {
    padding-inline: 12px;
    font-size: 1rem;
  }
  .body-state {
    gap: 12px;
    font-size: 1rem;
  }
  .body-state small {
    display: none;
  }
  .readouts > div {
    padding-inline: 16px;
  }
  .readouts span {
    font-size: 0.875rem;
  }
  .compute-select {
    font-size: 0.9375rem;
  }
}
@container response (max-width:565px) {
  .fly-head {
    flex-wrap: wrap;
    row-gap: 6px;
    min-height: 110px;
  }
  .transport {
    flex-basis: 100%;
    justify-content: flex-end;
  }
  .divider {
    display: none;
  }
  .camera-tabs {
    gap: 4px;
  }
  .camera-tabs button {
    padding-inline: 9px;
    font-size: 0.9375rem;
  }
  .response-bar {
    gap: 8px;
  }
  .specimen-line {
    font-size: 0.75rem;
    gap: 10px;
  }
  .scale {
    gap: 8px;
  }
  .readouts > div {
    padding-inline: 12px;
  }
  .readouts span {
    font-size: 0.8125rem;
  }
  .readouts output {
    font-size: clamp(1rem, 4.6cqw, 1.25rem);
  }
  .meter,
  .balance {
    height: 11px;
  }
  .readouts {
    margin-top: 25px;
  }
  .compute-select {
    font-size: 0.875rem;
  }
  .compute-select > summary {
    gap: 10px;
  }
  .scene-footer {
    padding-top: 26px;
    padding-bottom: 30px;
    min-height: 91px;
  }
  .compute-options {
    width: min(310px, calc(100vw - 40px));
  }
}
@media (min-width: 901px) and (max-height: 820px) {
  .pane-head {
    min-height: 100px;
  }
  .fly-head {
    min-height: 86px;
  }
  .paint-controls {
    padding-top: 22px;
    padding-bottom: 28px;
  }
  .readouts {
    margin-top: 22px;
  }
  .scene-footer {
    padding-top: 24px;
    padding-bottom: 28px;
    min-height: 87px;
  }
  .brain-key {
    min-height: 58px;
  }
  .activity-key {
    padding-top: 19px;
  }
  .brain-stage {
    margin-top: 10px;
  }
}
@media (max-width: 900px) {
  .workspace {
    height: auto;
    min-height: 0;
    grid-template-columns: 1fr;
  }
  .brain-pane {
    border-right: 0;
    border-bottom: 1px solid #35424e;
    grid-template-rows: auto clamp(310px, 52vw, 450px) auto auto;
  }
  .fly-pane {
    grid-template-rows: clamp(510px, 76vw, 650px) auto auto;
  }
  .pane-head {
    padding-top: 28px;
  }
  .fly-head {
    padding-top: 30px;
  }
  .brain-stage {
    margin-top: 12px;
  }
  .paint-controls {
    padding-bottom: 30px;
  }
  .scene-footer {
    padding-bottom: 30px;
  }
  .readouts {
    margin-top: 28px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

.setup-dialog {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  height: 100svh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 24px;
  border: 0;
  border-radius: 0;
  background: #0c141deb;
  overflow: auto;
}
.setup-dialog[open] {
  display: grid;
  place-items: center;
}
.setup-dialog::backdrop {
  background: #0c141d;
  backdrop-filter: none;
}
.setup-content {
  width: min(100%, 440px);
  padding: 36px;
  background: linear-gradient(145deg, #1b2531, #141e29);
  border: 1px solid #344150;
  border-radius: 20px;
  box-shadow: 0 24px 100px #0005;
}
.setup-content h2 {
  margin: 0 0 20px;
  font-size: 2rem;
  letter-spacing: -0.04em;
  font-weight: 550;
}
.setup-content p {
  margin: 0;
  color: #c2cfe0;
  font-size: 1rem;
  line-height: 1.55;
}
.setup-content #setup-detail {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.875rem;
  overflow-wrap: anywhere;
}
.setup-content .primary {
  width: 100%;
  margin-top: 26px;
  min-height: 50px;
}
.setup-content .setup-note {
  margin-top: 17px;
  font-size: 0.8125rem;
  color: var(--subtle);
  line-height: 1.5;
}
#setup-progress {
  display: block;
  width: 100%;
  height: 5px;
  margin-top: 22px;
  border: 0;
  border-radius: 4px;
  overflow: hidden;
  accent-color: var(--violet);
}
#setup-progress::-webkit-progress-bar {
  background: #2a3543;
}
#setup-progress::-webkit-progress-value {
  background: var(--violet);
}
#setup-progress::-moz-progress-bar {
  background: var(--violet);
}
.setup-dialog[data-state='error'] #setup-detail {
  color: #ffb1b8;
}
.setup-dialog[data-state='loading'] #setup-button .icon {
  display: none;
}
@media (max-width: 480px) {
  .setup-dialog {
    padding: 18px;
  }
  .setup-content {
    padding: 28px;
  }
  .setup-content h2 {
    font-size: 1.75rem;
  }
}