Update app.py

app.py

@@ -670,24 +670,7 @@ demo = gr.ChatInterface(
     ],
     title="AI-powered PDF Chat and Web Search Assistant",
     description="Chat with your PDFs or use web search to answer questions.",
-    theme=gr.themes.Soft(
-        primary_hue="orange",
-        secondary_hue="amber",
-        neutral_hue="gray",
-        font=[gr.themes.GoogleFont("Exo"), "ui-sans-serif", "system-ui", "sans-serif"]
-    ).set(
-        body_background_fill_dark="#0c0505",
-        block_background_fill_dark="#0c0505",
-        block_border_width="1px",
-        block_title_background_fill_dark="#1b0f0f",
-        input_background_fill_dark="#140b0b",
-        button_secondary_background_fill_dark="#140b0b",
-        border_color_accent_dark="#1b0f0f",
-        border_color_primary_dark="#1b0f0f",
-        background_fill_secondary_dark="#0c0505",
-        color_accent_soft_dark="transparent",
-        code_background_fill_dark="#140b0b"
-    ),
+    theme=gr.themes.Soft,
     css=css,
     examples=[
         ["Tell me about the contents of the uploaded PDFs."],