Update app.py

app.py

@@ -53,9 +53,9 @@ Provide a detailed and expert-level response.
         return f"❌ Error processing file: {e}"
 
 # -------------------------------
-# Gradio UI
+# Gradio UI (no theme -> HF safe)
 # -------------------------------
-with gr.Blocks(theme=gr.themes.Soft(), title="CryptoSphere AI Agent") as interface:
+with gr.Blocks(title="CryptoSphere AI Agent") as interface:
 
     gr.Markdown(
         """
@@ -67,7 +67,10 @@ with gr.Blocks(theme=gr.themes.Soft(), title="CryptoSphere AI Agent") as interfa
 
     with gr.Tab("💬 Blockchain Knowledge Assistant"):
         with gr.Row():
-            user_input = gr.Textbox(label="Ask anything about Blockchain, Crypto, Protocols, Web3...")
+            user_input = gr.Textbox(
+                label="Ask anything about Blockchain, Crypto, Protocols, Web3...",
+                placeholder="Example: What is slashing in Proof of Stake?"
+            )
         query_btn = gr.Button("Ask")
         output = gr.Markdown()
 
@@ -101,3 +104,4 @@ with gr.Blocks(theme=gr.themes.Soft(), title="CryptoSphere AI Agent") as interfa
         )
 
 interface.launch()
+