Updates to spells, HUD, Gold, and Camera Controls. New sound effects!

Assets/_Project/UI/HUD.uss

@@ -169,8 +169,11 @@
     flex-shrink: 0;
     flex-direction: row;
     align-items: flex-end;          /* short sections hug the bottom */
-    justify-content: flex-start;
-    padding: 0 100px;               /* margin on either side — the X regions */
+    justify-content: center;        /* keep the command bar centered at ANY resolution — the row
+                                       auto-centers, and re-centers symmetrically when the spell
+                                       hotbar appears/disappears */
+    padding: 0;                     /* was 0 100px; reclaimed so a smaller reference resolution
+                                       (= bigger HUD) still fits the bar without clipping */
     background-color: rgba(0, 0, 0, 0);
 }