/* Terrain colours encode data; the surrounding controls share one dark surface. */
.scene-workspace {
  border: 1px solid var(--line);
  background: #0c2235;
  color: var(--ink);
  overflow: hidden;
}

.scene-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: #102630;
}

.scene-toolbar button {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid transparent;
  background: transparent;
  color: #b6c4c9;
  font-size: 13px;
  line-height: 1.4;
}

.scene-toolbar button:hover {
  background: #183441;
  color: var(--ink);
}

.scene-toolbar button[aria-pressed="true"] {
  border-color: #506352;
  background: #263a38;
  color: var(--accent);
}

.layer-controls,
.view-controls {
  display: flex;
  gap: 4px;
}

.view-controls {
  margin-left: auto;
}

.scene-method {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: #b6c4c9;
  font-size: 12px;
}

.scene-method select {
  min-height: 44px;
  padding: 8px 28px 8px 11px;
  border-color: #50636d;
  background: #0c2235;
  color: var(--ink);
  font-size: 13px;
  color-scheme: dark;
}

.scene-stage {
  position: relative;
  height: clamp(470px, 53vw, 670px);
  overflow: hidden;
  background: #0c2235;
  isolation: isolate;
}

.scene-host,
.scene-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.scene-fallback {
  object-fit: contain;
  background: #0c2235;
}

.scene-ready .scene-fallback {
  visibility: hidden;
}

.scene-host {
  z-index: 1;
}

.scene-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  outline-offset: -4px;
  cursor: grab;
}

.scene-host canvas:active {
  cursor: grabbing;
}

.scene-heading {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 3;
  max-width: calc(100% - 48px);
  padding: 12px 15px;
  background: #0c2235eb;
  pointer-events: none;
}

.scene-kicker {
  display: block;
  margin-bottom: 8px;
  color: #a7bec9;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: .1em;
}

.scene-heading h3 {
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 27px;
  letter-spacing: -.025em;
}

.scene-heading p {
  max-width: 340px;
  color: #b6c8d2;
  font-size: 13px;
  line-height: 1.5;
}

.scene-navigation {
  position: absolute;
  right: 24px;
  bottom: 92px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.scene-navigation button {
  width: 44px;
  height: 44px;
  border: 1px solid #506774;
  background: #10293df2;
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
}

.scene-navigation button:hover,
.scene-light:hover {
  border-color: #869eaa;
  background: #24485e;
}

.scene-navigation button[aria-pressed="true"],
.scene-light[aria-pressed="true"] {
  border-color: #8a9b71;
  background: #263a38;
  color: var(--accent);
}

.scene-navigation > span {
  height: 4px;
}

.scene-gesture {
  position: absolute;
  bottom: 28px;
  left: 24px;
  z-index: 3;
  max-width: calc(100% - 210px);
  padding: 4px 0;
  color: #b6c8d2;
  font-size: 12px;
  line-height: 1.5;
  text-shadow: 0 1px 3px #0c2235, 0 0 7px #0c2235;
  pointer-events: none;
}

.scene-light {
  position: absolute;
  right: 24px;
  bottom: 24px;
  z-index: 4;
  min-height: 44px;
  padding: 10px 13px;
  border: 1px solid #506774;
  background: #10293df2;
  color: var(--ink);
  font-size: 12px;
}

.scene-scale {
  position: absolute;
  bottom: 92px;
  left: 24px;
  z-index: 3;
  display: grid;
  grid-template-columns: 48px 130px 48px;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: #0c2235eb;
  color: #c5d3df;
  font-size: 12px;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.scene-scale > span:last-of-type {
  text-align: right;
}

.scene-scale i {
  display: block;
  height: 6px;
  box-shadow: 0 0 0 1px #ffffff25;
}

.scene-scale p {
  grid-column: 1 / -1;
  margin-top: 1px;
  color: #b6c8d2;
  font-size: 12px;
}

.terrain-scale {
  background: linear-gradient(90deg, #a4b989, #677d5f, #727977, #dedcce);
}

.population-scale {
  background: linear-gradient(90deg, #405e68, #82cab6, #eff1aa, #f3ba6c);
}

.error-scale {
  background: linear-gradient(90deg, #4597bc, #e6ecdc, #cf8266);
}

.scene-underbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 22px;
  padding: 9px 24px;
  border-top: 1px solid var(--line);
  color: #b0c0c8;
  font-size: 12px;
  line-height: 1.6;
}

.scene-underbar a,
.scene-motion {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  font-size: 12px;
  white-space: nowrap;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.scene-motion {
  margin-left: auto;
  padding: 0;
  border: 0;
  background: none;
}

.scene-labels {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
  pointer-events: none;
}

.scene-place-label {
  position: absolute;
  padding: 3px 6px;
  border-bottom: 1px solid #78909d;
  background: #0c2235de;
  color: #eef4f7;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .02em;
  white-space: nowrap;
  transform: translate(-50%, -100%);
}

.scene-place-label.selected {
  border-color: var(--accent);
  background: #263a38;
  color: var(--accent);
}

.scene-status {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  width: min(400px, 80%);
  padding: 16px 20px;
  border: 1px solid #506774;
  background: #0c2235f2;
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
  transform: translate(-50%, -50%);
}

.scene-ready .scene-status {
  display: none;
}

.scene-inspector {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(180px, .65fr);
  gap: 28px;
  padding: 27px 24px;
  border-top: 1px solid var(--line);
  background: var(--surface-raised);
  color: var(--ink);
}

.place-choice .eyebrow {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}

.place-choice > label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.place-choice > select {
  width: 100%;
  min-height: 44px;
  border-color: #50636d;
  background: #0c2235;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  color-scheme: dark;
}

.place-choice .text-button {
  min-height: 44px;
  margin-top: 5px;
  font-size: 12px;
}

.place-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-content: center;
  gap: 18px;
}

.place-metric > span {
  display: block;
  min-height: 36px;
  max-width: 130px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.place-metric strong {
  display: block;
  color: var(--ink);
  font-size: clamp(23px, 2.5vw, 34px);
  font-weight: 450;
  letter-spacing: -.04em;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.place-metric small {
  color: var(--muted);
  font-size: 12px;
}

.place-next {
  align-self: center;
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.place-next p {
  color: #b8c7ca;
  font-size: 13px;
  line-height: 1.65;
}

.place-next .text-button {
  min-height: 44px;
  margin-top: 9px;
  font-size: 12px;
}

.world-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 8px;
}

.world-summary .facts {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 18px 36px;
  margin: 20px 0;
}

.world-summary .facts > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  border: 0;
}

.world-summary .facts dt {
  font-size: 12px;
}

.world-summary .facts dd {
  font-size: 17px;
  text-align: left;
}

.world-summary > .text-button {
  min-height: 44px;
  font-size: 13px;
}

.scene-unavailable .scene-heading,
.scene-unavailable .scene-scale,
.scene-unavailable .scene-gesture,
.scene-unavailable .scene-labels,
.scene-unavailable .scene-inspector {
  display: none;
}

.scene-workspace button:focus-visible,
.scene-workspace a:focus-visible,
.scene-workspace select:focus-visible,
.scene-host canvas:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.scene-host canvas:focus-visible {
  outline-offset: -5px;
}

.scene-workspace button:disabled {
  opacity: .4;
  cursor: default;
}

@media (max-width: 1000px) {
  .scene-inspector {
    grid-template-columns: 160px minmax(0, 1fr);
  }

  .place-next {
    display: flex;
    grid-column: 1 / -1;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .place-next p {
    max-width: 520px;
  }

  .place-next .text-button {
    flex-shrink: 0;
    margin: 0;
  }

  .scene-stage {
    height: 530px;
  }
}

@media (max-width: 640px) {
  .scene-toolbar {
    gap: 10px;
    padding: 10px;
  }

  .scene-toolbar button {
    min-width: 0;
    padding: 9px 7px;
    font-size: 12px;
  }

  .layer-controls {
    display: grid;
    grid-template-columns: 1fr 1fr 1.4fr;
    width: 100%;
  }

  .view-controls {
    order: 2;
    margin-left: 0;
  }

  .scene-method {
    order: 3;
    width: 100%;
  }

  .scene-stage {
    height: 510px;
  }

  .scene-heading {
    top: 16px;
    left: 14px;
    max-width: calc(100% - 28px);
    padding: 10px 12px;
  }

  .scene-heading h3 {
    font-size: 23px;
  }

  .scene-heading p {
    max-width: 230px;
    font-size: 12px;
  }

  .scene-navigation {
    right: 14px;
    bottom: 90px;
  }

  .scene-scale {
    bottom: 132px;
    left: 14px;
    grid-template-columns: 42px minmax(30px, 68px) 42px;
    gap: 5px;
    max-width: calc(100% - 86px);
    padding: 8px;
  }

  .scene-gesture {
    bottom: 20px;
    left: 14px;
    max-width: calc(100% - 170px);
  }

  .scene-light {
    right: 14px;
    bottom: 20px;
    padding: 10px;
  }

  .scene-underbar {
    justify-content: flex-start;
    gap: 4px 18px;
    padding: 12px 14px;
  }

  .scene-underbar p {
    width: 100%;
  }

  .scene-motion {
    margin-left: 0;
  }

  .scene-inspector {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 22px 16px;
  }

  .place-choice {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .place-choice .eyebrow {
    width: 100%;
    margin: 0;
  }

  .place-choice > select {
    width: min(170px, 100%);
  }

  .place-choice .text-button {
    margin: 0;
  }

  .place-metrics {
    gap: 10px;
  }

  .place-metric strong {
    font-size: clamp(21px, 5.8vw, 29px);
  }

  .place-next {
    display: block;
  }

  .place-next .text-button {
    margin-top: 8px;
  }

  .world-summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
  }

  .world-summary .facts {
    width: 100%;
    gap: 16px 24px;
    margin: 20px 0 8px;
  }

  .world-summary .facts > div {
    min-width: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scene-host canvas {
    scroll-behavior: auto;
  }
}