Update app.py

app.py

@@ -301,6 +301,31 @@ custom_css = """
     font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
 }
 
+/* Dropdown styling */
+.gradio-dropdown > ul {
+    max-height: 300px !important;
+    overflow-y: auto !important;
+    scrollbar-width: thin !important;
+}
+
+.gradio-dropdown > ul::-webkit-scrollbar {
+    width: 6px !important;
+}
+
+.gradio-dropdown > ul::-webkit-scrollbar-track {
+    background: rgba(51, 65, 85, 0.1) !important;
+    border-radius: 3px !important;
+}
+
+.gradio-dropdown > ul::-webkit-scrollbar-thumb {
+    background: rgba(96, 165, 250, 0.5) !important;
+    border-radius: 3px !important;
+}
+
+.gradio-dropdown > ul::-webkit-scrollbar-thumb:hover {
+    background: rgba(96, 165, 250, 0.7) !important;
+}
+
 .interests-summary {
     background: rgba(30, 41, 59, 0.5);
     padding: 20px;
@@ -460,13 +485,15 @@ with gr.Blocks(title="Question Recommender", theme=gr.themes.Soft(), css=custom_
             user1_dropdown = gr.Dropdown(
                 choices=users, 
                 label="👤 First User",
-                interactive=True
+                interactive=True,
+                max_choices=None
             )
         with gr.Column(scale=1):
             user2_dropdown = gr.Dropdown(
                 choices=users,
                 label="👤 Second User",
-                interactive=True
+                interactive=True,
+                max_choices=None
             )
     
     recommend_btn = gr.Button(