Switch sticky control panel button order to Submit | Hint

index.html

@@ -48,13 +48,13 @@
     <!-- Sticky Control Panel -->
     <div id="sticky-controls" class="sticky-controls hidden">
         <div class="controls-inner">
-            <button type="button" id="hint-btn" class="typewriter-button">
-                Show Hints
-            </button>
-            <div class="controls-divider"></div>
             <button type="button" id="submit-btn" class="typewriter-button">
                 Submit
             </button>
+            <div class="controls-divider"></div>
+            <button type="button" id="hint-btn" class="typewriter-button">
+                Show Hints
+            </button>
             <button type="button" id="next-btn" class="typewriter-button hidden">
                 Next Passage
             </button>