should resolve font-related console errors

src/app.py

@@ -230,7 +230,19 @@ def format_response_for_user(response_dict):
     return message
 
 # Build enhanced Gradio interface
-with gr.Blocks() as demo:
+with gr.Blocks(
+    theme="default",
+    css="""
+        * {
+            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 
+                        Roboto, Ubuntu, 'Helvetica Neue', Arial, sans-serif;
+        }
+        code, pre {
+            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 
+                        'Liberation Mono', 'Courier New', monospace;
+        }
+    """
+) as demo:
     gr.Markdown("""
     # 🏥 Medical Symptom to ICD-10 Code Assistant
     
@@ -249,8 +261,7 @@ with gr.Blocks() as demo:
             # Moved microphone row above chatbot
             with gr.Row():
                 microphone = gr.Audio(
-                    source="microphone",
-                    type="text",  # Changed from filepath to text
+                    type="filepath",  # Use filepath to get the audio file path
                     label="Describe your symptoms",
                     streaming=True
                 )