Switch to Gemini + update requirements

app.py

@@ -178,6 +178,20 @@ with gr.Blocks(css="footer {display:none !important}") as demo:
                 )
                 bg_upload = gr.Image(type="pil", label="Or Upload Your Background (Optional)")
 
+                # 👉 Live preview for selected background
+                bg_preview = gr.Image(type="pil", label="Background Preview", interactive=False)
+
+                def load_bg(choice):
+                    if not choice:
+                        return None
+                    path = os.path.join(BG_DIR, choice)
+                    if os.path.exists(path):
+                        from PIL import Image
+                        return Image.open(path)
+                    return None
+
+                bg_choices.change(fn=load_bg, inputs=bg_choices, outputs=bg_preview)
+
         with gr.Row():
             logo_upload = gr.Image(type="pil", label="Upload Logo (Optional)")
             logo_transparency = gr.Slider(0, 100, value=70, label="Logo Transparency (%)")
@@ -190,6 +204,7 @@ with gr.Blocks(css="footer {display:none !important}") as demo:
 
         btn = gr.Button("✨ Generate New Photo")
         output_imgs = gr.Gallery(label="Generated Image", elem_id="gallery", columns=1, rows=1)
+
         btn.click(
             fn=process_image,
             inputs=[input_img, bg_choices, bg_upload, logo_upload, logo_transparency, logo_position, brand_color],