Update app.py

app.py

@@ -6,7 +6,7 @@ A multi-language translation application supporting English, Wolof, Hausa, and D
 Features text, audio, and document translation with automatic chaining for all language pairs.
 
 Author: LocaleNLP Team
-Version: 1.0
+Version: 2.1.0
 """
 
 import os
@@ -472,8 +472,20 @@ class TranslationApp:
         
         with gr.Blocks(
             title="LocaleNLP Translation Service",
-            theme=gr.themes.Base(primary_hue=gr.themes.colors.black)
+            theme=gr.themes.Default()
         ) as interface:
+            # Custom CSS for black theme
+            interface.load(None, None, None, _js="""
+            () => {
+                document.documentElement.style.setProperty('--color-accent', '#000000');
+                document.documentElement.style.setProperty('--color-accent-soft', '#333333');
+                document.documentElement.style.setProperty('--color-button-primary-background-fill', '#000000');
+                document.documentElement.style.setProperty('--color-button-primary-background-fill-hover', '#333333');
+                document.documentElement.style.setProperty('--color-button-secondary-background-fill', '#000000');
+                document.documentElement.style.setProperty('--color-button-secondary-background-fill-hover', '#333333');
+            }
+            """)
+            
             # Header
             gr.Markdown("""
             # 🌍 LocaleNLP Translation Service