Update app.py

app.py

@@ -477,7 +477,7 @@ if check_dataset_health():
 else:
     logger.warning("⚠️  System starting with dataset health warnings")
 
-# Custom CSS for theme colors
+# Custom CSS for gradient theme
 custom_css = """
 .gradio-container {
     font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
@@ -488,6 +488,37 @@ custom_css = """
     -webkit-text-fill-color: transparent;
     background-clip: text;
 }
+
+/* Gradient Submit Button Styling */
+#gradient-submit-btn {
+    background: linear-gradient(135deg, #0a0a0a 0%, #FF7A00 35%, #4A90E2 70%, #ffffff 100%) !important;
+    border: none !important;
+    color: white !important;
+    font-weight: 600 !important;
+    font-size: 18px !important;
+    padding: 16px 32px !important;
+    border-radius: 12px !important;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
+    transition: all 0.3s ease !important;
+    text-transform: none !important;
+}
+
+#gradient-submit-btn:hover {
+    transform: translateY(-2px) !important;
+    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25) !important;
+}
+
+#gradient-submit-btn:active {
+    transform: translateY(0px) !important;
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
+}
+
+/* Disabled state for the button */
+#gradient-submit-btn:disabled {
+    opacity: 0.6 !important;
+    cursor: not-allowed !important;
+    transform: none !important;
+}
 """
 
 # Create the Gradio interface
@@ -618,7 +649,7 @@ with gr.Blocks(title="Gradio Agents & MCP Hackathon - Winter 2025", css=custom_c
             )
         
     # Submit button
-    submit_btn = gr.Button("🚀 Register for Hackathon", variant="primary", size="lg")
+    submit_btn = gr.Button("🚀 Register for Hackathon", variant="primary", size="lg", elem_id="gradient-submit-btn")
     
     # Output
     output = gr.Markdown()