Ensure Gradio tab bar stays clickable above dashboard overlays

app.py

@@ -71,7 +71,17 @@ CSS = """
 
 footer { display: none !important; }
 
-/* Keep native Gradio tab behavior for reliability across Gradio 6 updates. */
+/* Keep native Gradio tab behavior, but force tab bar above rich dashboard overlays. */
+.gradio-container [role="tablist"] {
+  position: sticky !important;
+  top: 0 !important;
+  z-index: 9999 !important;
+  background: #fffaf0 !important;
+}
+
+.gradio-container [role="tab"] {
+  pointer-events: auto !important;
+}
 
 .nav-item[role="button"] {
   cursor: pointer;