Update app.py

This should fix:

✅ Example button text - "preprocessing", "breakdown", etc.
✅ Any nested spans/divs in buttons
✅ All Gradio-specific button wrapper classes
✅ Any remaining grey text elements

app.py

@@ -386,6 +386,48 @@ button, .gr-button {
     color: #ffffff !important;
 }
 
+/* Aggressive fix for all button content */
+button span, .gr-button span, 
+button div, .gr-button div,
+button p, .gr-button p {
+    color: #ffffff !important;
+}
+
+/* Target specific Gradio button classes */
+.gr-button .wrap,
+.gr-button .wrap *,
+button .wrap,
+button .wrap * {
+    color: #ffffff !important;
+}
+
+/* Force all nested button elements to be white */
+.gr-button > *,
+button > *,
+.gr-button * * {
+    color: #ffffff !important;
+}
+
+/* Override any inherited text colors in buttons */
+[class*="button"] {
+    color: #ffffff !important;
+}
+
+[class*="button"] * {
+    color: #ffffff !important;
+}
+
+/* Target any remaining grey text */
+.gr-row .gr-button,
+.gr-row button {
+    color: #ffffff !important;
+}
+
+.gr-row .gr-button *,
+.gr-row button * {
+    color: #ffffff !important;
+}
+
 /* Mobile responsiveness */
 @media (max-width: 768px) {
     .gradio-container h1 {