:root {
  color-scheme: dark;
  --split: 50%;
  --split-px: 50vw;
  --ink: #f5f7fb;
  --muted: #bac4d2;
  --panel: rgba(13, 18, 25, 0.84);
  --panel-border: rgba(255, 255, 255, 0.16);
  --accent: #47b8ff;
  --accent-strong: #1d8fd7;
  --danger: #ff8a65;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
  --control-height: 38px;
  --top-control-width: min(330px, calc(100vw - 32px));
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  font-family: Arial, Helvetica, sans-serif;
  background: #080c11;
  color: var(--ink);
}

button,
select,
input {
  font: inherit;
}

.stage {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: radial-gradient(circle at 50% 36%, #1d2631 0, #0b1016 58%, #070a0e 100%);
}

body[data-mode="3d-model"] .stage,
body[data-mode="3d-pointcloud"] .stage {
  touch-action: none;
}

.pane {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #111820;
  contain: paint;
  isolation: isolate;
  will-change: clip-path;
}

.pane-left {
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
  z-index: 2;
}

.pane-right {
  clip-path: inset(0 0 0 var(--split));
  z-index: 3;
}

.map-view,
.viewer-3d {
  position: absolute;
  inset: 0;
  background: #0a1017;
}

.viewer-3d {
  display: none;
  opacity: 1;
  transition: opacity 180ms ease;
}

.viewer-3d-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  background: #0a1017;
}

.viewer-3d-layer.is-active-3d-layer {
  z-index: 1;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

body[data-mode="3d-model"] .map-view,
body[data-mode="3d-pointcloud"] .map-view {
  display: none;
}

body[data-mode="3d-model"] .viewer-3d,
body[data-mode="3d-pointcloud"] .viewer-3d {
  display: block;
}

body[data-mode="3d-model"] .pane {
  clip-path: none;
  contain: strict;
  will-change: left, width;
}

body[data-mode="3d-model"] .pane-left {
  right: auto;
  width: var(--split-px);
}

body[data-mode="3d-model"] .pane-right {
  left: var(--split-px);
  right: 0;
}

body[data-mode="3d-model"] .pane-left .viewer-3d,
body[data-mode="3d-model"] .pane-right .viewer-3d {
  top: 0;
  right: auto;
  bottom: auto;
  width: 100vw;
  height: 100vh;
}

body[data-mode="3d-model"] .pane-left .viewer-3d {
  left: 0;
}

body[data-mode="3d-model"] .pane-right .viewer-3d {
  left: calc(-1 * var(--split-px));
}

body[data-mode="3d-model"] .viewer-3d-layer-model.is-model-warming {
  opacity: 0;
}

.split-divider {
  position: fixed;
  top: 0;
  bottom: 0;
  left: var(--split);
  z-index: 38;
  width: 42px;
  transform: translateX(-50%);
  background: transparent;
  cursor: ew-resize;
  touch-action: none;
  pointer-events: auto;
}

.split-divider::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  content: "";
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.58);
}

.split-divider:focus-visible span {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.split-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 42px;
  height: 42px;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 0 14px, rgba(255, 255, 255, 0.96) 14px 16px, transparent 16px 26px, rgba(255, 255, 255, 0.96) 26px 28px, transparent 28px 100%),
    rgba(8, 12, 17, 0.72);
  box-shadow: var(--shadow);
}

.mode-bar,
.measure-bar {
  position: fixed;
  left: 50%;
  z-index: 35;
  width: var(--top-control-width);
  transform: translateX(-50%);
  padding: 4px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.mode-bar {
  top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
}

.mode-button {
  min-width: 0;
  height: 32px;
  border: 0;
  border-radius: 5px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
}

.mode-button.active,
.measure-button.active {
  color: #ffffff;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
}

.measure-bar {
  top: 68px;
}

.measure-button {
  width: 100%;
  height: 34px;
  border: 0;
  border-radius: 5px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}

.measure-readout {
  margin-top: 6px;
  padding: 8px 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 13px;
  line-height: 1.35;
  text-align: center;
}

.measure-readout-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.measure-action {
  height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 5px;
  color: #ffffff;
  background: rgba(71, 184, 255, 0.28);
  cursor: pointer;
}

.pane-controls {
  position: fixed;
  top: 124px;
  z-index: 34;
  display: flex;
  gap: 8px;
  max-width: min(42vw, 420px);
  padding: 8px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.pane-controls-left {
  left: 18px;
}

.pane-controls-right {
  right: 18px;
}

.pane-controls select {
  height: var(--control-height);
  min-width: 150px;
  max-width: 190px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  color: var(--ink);
  background: #111a24;
  cursor: pointer;
}

.brand-logo {
  position: fixed;
  right: 18px;
  bottom: 16px;
  z-index: 30;
  width: min(170px, 26vw);
  height: auto;
  pointer-events: none;
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.28));
}

.status {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 36;
  max-width: min(560px, calc(100vw - 32px));
  transform: translateX(-50%);
  padding: 10px 14px;
  border: 1px solid rgba(255, 196, 90, 0.46);
  border-radius: 8px;
  color: #ffe3ab;
  background: rgba(34, 24, 9, 0.88);
  box-shadow: var(--shadow);
}

.cesium-viewer,
.cesium-viewer-cesiumWidgetContainer,
.cesium-widget,
.cesium-widget canvas {
  width: 100%;
  height: 100%;
  background: #0a1017 !important;
}

.cesium-viewer-bottom,
.cesium-credit-logoContainer,
.cesium-credit-textContainer,
.cesium-credit-expand-link,
.potree_sidebar_container {
  display: none !important;
}

.potree_container,
.potree_render_area {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.leaflet-container {
  width: 100%;
  height: 100%;
  background: #101820;
  font: inherit;
}

.leaflet-control-attribution {
  display: none;
}

.measure-vertex-marker,
.measure-segment-marker {
  display: grid;
  place-items: center;
  border-radius: 50%;
  transform: translateZ(0);
}

.measure-vertex-marker {
  width: 16px;
  height: 16px;
  border: 2px solid #ffffff;
  background: var(--accent);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.38);
}

.measure-segment-marker {
  width: 20px;
  height: 20px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  color: #ffffff;
  background: rgba(13, 18, 25, 0.86);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.34);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.measure-coordinate-marker {
  position: fixed;
  z-index: 37;
  width: 20px;
  height: 20px;
  transform: translate(-50%, -50%);
  border: 2px solid #ffffff;
  border-radius: 50%;
  background: var(--danger);
  box-shadow: 0 0 0 5px rgba(255, 138, 101, 0.22), 0 8px 20px rgba(0, 0, 0, 0.36);
  cursor: grab;
  touch-action: none;
}

.measure-coordinate-marker::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  content: "";
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: #ffffff;
}

.measure-coordinate-marker.dragging {
  cursor: grabbing;
}

@media (max-width: 760px) {
  .mode-bar {
    top: 12px;
  }

  .measure-bar {
    top: 62px;
  }

  .mode-button,
  .measure-button {
    font-size: 12px;
  }

  .pane-controls {
    top: 116px;
    max-width: calc(50vw - 18px);
    flex-direction: column;
    gap: 6px;
  }

  .pane-controls-left {
    left: 10px;
  }

  .pane-controls-right {
    right: 10px;
  }

  .pane-controls select {
    min-width: 0;
    width: 100%;
    max-width: none;
    font-size: 13px;
  }

  .brand-logo {
    right: 10px;
    bottom: 10px;
    width: min(130px, 34vw);
  }
}