add custom CSS

app.py

@@ -79,9 +79,6 @@ class MinimalistTheme(Base):
             input_border_width="1px",
             input_border_color="#d1d5db",
             input_border_color_dark="#374151",
-            input_text_color="#1e1e1e",
-            input_text_color_dark="#1e1e1e",
-            input_placeholder_color="#9ca3af",
 
             # Text colors
             body_text_color="#1e1e1e",
@@ -392,7 +389,13 @@ chatbot = RAGChatbot()
 
 
 # Create Gradio interface
-with gr.Blocks(title="Ask AgriWise AI") as app:
+custom_css = """
+.gradio-container textarea {
+    color: #1e1e1e !important;
+}
+"""
+
+with gr.Blocks(title="Ask AgriWise AI", css=custom_css) as app:
     gr.Markdown("<h1 style='color: #24372b; font-size: 2.5rem;'>👤 Ask AgriWise AI</h1>")