Update app.py

app.py

@@ -171,8 +171,32 @@ def process_report(agent, file, messages: List[Dict[str, str]]) -> Tuple[List[Di
         return messages, None
 
 def create_ui(agent):
-    with gr.Blocks() as demo:
-        gr.Markdown("<h2 style='color:#1e88e5'>🩺 Patient AI Assistant</h2><p>Upload a clinical Excel file and receive a diagnostic summary.</p>")
+    with gr.Blocks(css="""
+    html, body, .gradio-container {
+        background-color: #ffffff;
+        font-family: 'Inter', sans-serif;
+        color: #000000;
+    }
+    .gr-button.primary {
+        background-color: #1e88e5;
+        color: white;
+        font-weight: 600;
+        border-radius: 6px;
+        padding: 0.6em 1.2em;
+    }
+    .gr-button.primary:hover {
+        background-color: #1565c0;
+    }
+    .gr-chatbot, .gr-file-upload, .gr-markdown {
+        border-radius: 10px;
+        border: 1px solid #ccc;
+        background-color: #f9f9f9;
+    }
+    """) as demo:
+        gr.Markdown("""
+        <h2 style='color:#1e88e5'>🩺 Clinical Report Assistant</h2>
+        <p style='color:#333;'>Upload a clinical Excel file to receive a structured diagnostic summary.</p>
+        """)
         with gr.Row():
             with gr.Column(scale=3):
                 chatbot = gr.Chatbot(label="Assistant", height=700, type="messages")
@@ -198,4 +222,4 @@ if __name__ == "__main__":
         ui.launch(server_name="0.0.0.0", server_port=7860, allowed_paths=["/data/hf_cache/reports"], share=False)
     except Exception as err:
         print(f"Startup failed: {err}")
-        sys.exit(1)
+        sys.exit(1)