demographics section done

theme.py

@@ -24,6 +24,20 @@ class ColorPalette:
     GRID = "lightgray"
     BACKGROUND = "white"
 
+    # Extended palette for categorical charts (e.g., pie charts with many categories)
+    CATEGORICAL = [
+        "#0077B6",  # PRIMARY - Medium Blue
+        "#004C6D",  # RANK_1 - Dark Blue
+        "#008493",  # RANK_2 - Teal
+        "#5AAE95",  # RANK_3 - Sea Green
+        "#9E9E9E",  # RANK_4 - Grey
+        "#D3D3D3",  # NEUTRAL - Light Grey
+        "#003049",  # Dark Navy
+        "#669BBC",  # Light Steel Blue
+        "#A8DADC",  # Pale Cyan
+        "#457B9D",  # Steel Blue
+    ]
+
 
 def jpmc_altair_theme():
     """JPMC brand theme for Altair charts."""