feat: edit moving source trajectories

apps/dataset-builder/styles.css

@@ -458,6 +458,76 @@
   line-height: 1.5;
 }
 
+.trajectory-editor {
+  margin: 12px 0;
+  padding: 12px;
+  border: 1px solid rgb(101 242 191 / 16%);
+  border-radius: 12px;
+  background: rgb(101 242 191 / 3%);
+}
+
+.trajectory-toggle {
+  min-height: 28px;
+}
+
+.trajectory-preview {
+  margin-top: 12px;
+}
+
+.trajectory-preview output {
+  color: var(--mint);
+  font: 700 0.7rem ui-monospace, SFMono-Regular, Consolas, monospace;
+}
+
+.trajectory-preview input[type="range"] {
+  min-height: 28px;
+  padding: 0;
+  accent-color: var(--mint);
+}
+
+.trajectory-list {
+  display: grid;
+  gap: 8px;
+  margin: 12px 0 10px;
+}
+
+.trajectory-row {
+  display: grid;
+  grid-template-columns: 42px repeat(4, minmax(0, 1fr)) 30px;
+  gap: 5px;
+  align-items: end;
+}
+
+.trajectory-row__select,
+.trajectory-row__remove {
+  min-height: 36px;
+  padding: 6px;
+  border: 1px solid var(--line);
+  border-radius: 8px;
+  color: var(--muted);
+  background: #0b1714;
+  cursor: pointer;
+}
+
+.trajectory-row__select.is-selected {
+  border-color: var(--mint);
+  color: var(--mint);
+}
+
+.trajectory-row__remove:disabled {
+  cursor: not-allowed;
+  opacity: 0.3;
+}
+
+.trajectory-row .field > span {
+  font-size: 0.6rem;
+}
+
+.trajectory-row .field input {
+  min-height: 36px;
+  padding: 6px;
+}
+
 .is-hidden {
   display: none !important;
 }
@@ -563,4 +633,13 @@
   .field-grid--three {
     grid-template-columns: 1fr;
   }
+
+  .trajectory-row {
+    grid-template-columns: 38px repeat(2, minmax(0, 1fr)) 30px;
+  }
+
+  .trajectory-row .field:nth-of-type(3),
+  .trajectory-row .field:nth-of-type(4) {
+    grid-row: 2;
+  }
 }