Update welcome message to be more mobile-friendly

app.py

@@ -90,6 +90,8 @@ if not st.session_state.setup_complete:
     - **Avoidant** – "I'd rather handle things alone than depend on others."
     - **Disorganized** – "I want closeness, but I also feel overwhelmed or mistrusting."
     - **Secure** – "I can handle conflict and connection without losing myself."
+
+    ☰ Open the menu at the top left to begin your practice session.
     """)
 
 # Sidebar with setup form
@@ -172,7 +174,7 @@ Begin the simulation based on the scenario."""
 
 # Display simulation status
 if not st.session_state.setup_complete:
-    st.info("👈 Please complete the simulation setup in the sidebar to begin.")
+    st.info("Open the menu at the top left ☰ to complete the simulation setup.")
 else:
     # Display chat history
     # Filter out system message for display purposes