Update app.py

app.py

@@ -150,7 +150,9 @@ body {background: linear-gradient(to bottom right, #90ee90, #ffb6c1);}
 # =====================
 # GRADIO UI
 # =====================
-with gr.Blocks(css=custom_css) as demo:
+with gr.Blocks() as demo:
+    # Inject CSS for older Gradio versions
+    gr.HTML(f"<style>{custom_css}</style>")
     gr.Markdown("## 🌸 AI Study Wizard — Pink + Green Gradient")
 
     # SIGNUP