Update app.py

app.py

@@ -76,9 +76,22 @@ def pdf_qa(query, memory, llm):
     return chain({"question": query})
 
 # --------------------------
-# Build the Gradio Interface
+# Build the Gradio Interface with custom CSS for the "Enviar" button.
 # --------------------------
 with gr.Blocks() as demo:
+    # Inject custom CSS via HTML.
+    gr.HTML(
+        """
+        <style>
+            /* Target the button inside the container with id "enviar_button" */
+            #enviar_button button {
+                background-color: #E50A17 !important;
+                color: white !important;
+            }
+        </style>
+        """
+    )
+    
     # Chatbot component with an initial greeting.
     chatbot = gr.Chatbot(
         label="Visualizador de futuros",
@@ -99,7 +112,7 @@ with gr.Blocks() as demo:
     )
     
     msg = gr.Textbox(placeholder="Escribe aquí", label='')
-    submit = gr.Button("Enviar")
+    submit = gr.Button("Enviar", elem_id="enviar_button")
     memory_state = gr.State(create_memory)
     
     # Create the ChatOpenAI model with streaming enabled and our custom callback.
@@ -162,4 +175,4 @@ with gr.Blocks() as demo:
     msg.submit(user, [msg, chatbot, memory_state], [msg, chatbot, memory_state], queue=True)
 
 if __name__ == "__main__":
-    demo.queue().launch()
+    demo.queue().launch()