Extract Cesium preview assets

scripts/lib/cesium-preview.css

@@ -0,0 +1,117 @@
+html,
+body,
+#cesiumContainer {
+  width: 100%;
+  height: 100%;
+  margin: 0;
+  overflow: hidden;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
+  background: #d9e0e2;
+}
+
+#controls,
+#diagnostics,
+#status {
+  position: absolute;
+  z-index: 1;
+  border-radius: 4px;
+  background: rgba(20, 24, 28, 0.82);
+  color: #fff;
+  font-size: 12px;
+  line-height: 1.45;
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
+}
+
+#controls {
+  top: 12px;
+  left: 12px;
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  padding: 8px;
+}
+
+#status {
+  left: 12px;
+  bottom: 12px;
+  max-width: 560px;
+  padding: 8px 10px;
+}
+
+#diagnostics {
+  right: 12px;
+  top: 12px;
+  min-width: 280px;
+  max-width: 360px;
+  padding: 10px 12px;
+  white-space: pre-line;
+}
+
+#controls button,
+#controls select {
+  height: 28px;
+  border: 0;
+  border-radius: 4px;
+}
+
+#controls button {
+  padding: 0 10px;
+  background: #f2f5f7;
+  color: #111;
+  cursor: pointer;
+}
+
+#controls button:active:not(:disabled) {
+  transform: translateY(1px);
+}
+
+#controls :disabled {
+  opacity: 0.45;
+  cursor: default;
+}
+
+#controls label:has(:disabled) {
+  opacity: 0.45;
+}
+
+#controls input[type="range"] {
+  width: 120px;
+}
+
+#controls label {
+  display: inline-flex;
+  gap: 5px;
+  align-items: center;
+  white-space: nowrap;
+}
+
+/* Playback / layers / camera each read as their own row of the panel. */
+.control-group {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px 12px;
+  align-items: center;
+}
+
+.control-group + .control-group {
+  padding-top: 6px;
+  border-top: 1px solid rgba(255, 255, 255, 0.16);
+}
+
+/* Per-asset checkboxes hang off the master "Scene" toggle. */
+.control-subgroup {
+  display: inline-flex;
+  flex-wrap: wrap;
+  gap: 8px 10px;
+  align-items: center;
+  padding-left: 10px;
+  border-left: 1px solid rgba(255, 255, 255, 0.16);
+}
+
+.control-subgroup:empty {
+  display: none;
+}
+
+.hidden {
+  display: none;
+}