Fix RTL support for Arabic interface

- Remove unsupported 'rtl' parameter from ChatInterface
- Add CSS-based RTL support using custom CSS
- Fix application startup error
- Maintain Arabic language support with right-to-left text direction

app.py

@@ -157,12 +157,12 @@ demo = gr.ChatInterface(
     ),
     stop_btn="Stop Generation",
     multimodal=False,
-    theme=gr.themes.Soft(),
-    rtl=True
+    theme=gr.themes.Soft()
 )
 
 if __name__ == "__main__":
     demo.launch(
         title="مساعد NB TEL للدعم الفني - Lahja-iraqi-4B",
-        favicon="https://img.icons8.com/color/96/technical-support.png"
+        favicon="https://img.icons8.com/color/96/technical-support.png",
+        css=".gradio-container {direction: rtl;}"
     )