Update app.py

app.py

@@ -30,7 +30,7 @@ def get_travel_guide_response(message, history):
         "Content-Type": "application/json"
     }
     data = {
-        "model": "llama3-8b-8192",
+        "model": "mixtral-8x7b-32768",
         "messages": conversation,
         "max_tokens": 500
     }
@@ -91,6 +91,28 @@ with gr.Blocks(theme=theme, css=custom_css) as iface:
     )
     clear.click(lambda: None, None, chatbot, queue=False)
 
+    # Add dark mode toggle
+    with gr.Row():
+        dark_mode = gr.Checkbox(label="Dark Mode", value=False)
+    
+    def toggle_dark_mode(dark):
+        if dark:
+            return gr.themes.Default(primary_hue="blue", neutral_hue="slate", text_size="lg").set(
+                body_background_fill="*neutral_900",
+                block_background_fill="*neutral_800",
+                button_primary_background_fill="*primary_600",
+                button_primary_background_fill_dark="*primary_700",
+            )
+        else:
+            return gr.themes.Default(primary_hue="blue", neutral_hue="slate", text_size="lg").set(
+                body_background_fill="*neutral_50",
+                block_background_fill="*neutral_100",
+                button_primary_background_fill="*primary_500",
+                button_primary_background_fill_dark="*primary_600",
+            )
+    
+    dark_mode.change(toggle_dark_mode, dark_mode, None)
+
 # Launch the interface
 iface.launch()