Update app.py

app.py

@@ -133,11 +133,11 @@ theme = gr.themes.Soft(
 with gr.Blocks(title="AI Python Tutor", theme=theme, fill_height=True) as demo:
     # --- Header with Model Selector ---
     with gr.Row(variant="compact", elem_classes="header-row"):
-        # scale=0 forces the column to only be as wide as its content (approx)
-        with gr.Column(scale=0, min_width=250):
+        # scale=1: Consumes all available space, pushing the next column to the right
+        with gr.Column(scale=1):
             gr.Markdown("## 🐍 AI Python Tutor")
         
-        # scale=0 keeps this compact next to the title
+        # scale=0: Takes only minimum required width, sitting on the far right
         with gr.Column(scale=0, min_width=250):
             model_selector = gr.Dropdown(
                 choices=AVAILABLE_MODELS,
@@ -147,10 +147,6 @@ with gr.Blocks(title="AI Python Tutor", theme=theme, fill_height=True) as demo:
                 container=True,
                 scale=1
             )
-        
-        # scale=1 spacer pushes everything to the left
-        with gr.Column(scale=1):
-            pass
     
     with gr.Row(equal_height=True):
         # Left Column: Chat & Input