Paint towers with some the colors of the wind

Assets/_Project/UI/HUD.uss

@@ -356,6 +356,39 @@
     border-radius: 4px;
 }
 
+/* Build / Paint tab row. Shown only when the builder is selected; hidden
+   (display:none, set from HUDController) for tower/build-site selections. */
+.command-tabs {
+    flex-direction: row;
+    flex-shrink: 0;
+    margin-bottom: 5px;
+}
+
+.cmd-tab {
+    flex: 1;
+    height: 22px;
+    font-size: 11px;
+    -unity-font-style: bold;
+    color: rgb(200, 190, 160);
+    background-color: rgb(26, 26, 10);
+    border-width: 1px;
+    border-color: rgb(58, 58, 26);
+    border-radius: 3px;
+    margin-right: 4px;
+    padding: 0;
+}
+
+.cmd-tab:hover {
+    background-color: rgb(42, 42, 21);
+    border-color: rgb(106, 106, 48);
+}
+
+.cmd-tab.active {
+    color: rgb(255, 224, 102);
+    background-color: rgb(42, 38, 16);
+    border-color: rgb(255, 224, 102);
+}
+
 /* Command grid: 3 row-containers injected at runtime, each holding 5 buttons. */
 .command-grid {
     flex: 1;