styling updates

app.py

@@ -71,15 +71,18 @@ class MinimalistTheme(Base):
             button_secondary_text_color="#ffffff",
             button_secondary_background_fill_dark="#374151",
             button_secondary_background_fill_hover_dark="#4b5563",
-            button_border_width="1px",
-            
+            button_border_width="0px",
+
             # Input fields
             input_background_fill="#ffffff",
             input_background_fill_dark="#ffffff",
             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",
             body_text_color_dark="#e5e7eb",