Reduce max lines to display which helps with CSS sizing issues on large pastes

app.py

@@ -545,7 +545,8 @@ with gr.Blocks(theme=theme, css=custom_css) as demo:
                     placeholder="Type your message here and press Enter or upload file...",
                     show_label=False,
                     sources=["upload"],
-                    max_plain_text_length=100000
+                    max_plain_text_length=100000,
+                    max_lines=10
                 )
 
                 # Original text-only input