Bob AI: change color theme to purple and gold

Merge version_2 into main

src/app/styles/variables.css

@@ -3,20 +3,20 @@
   /* --vw is set by ThemeProvider */
 
   /* --background: #f5f5f5;;
-  --card: #e0f7fa;;
-  --foreground: #004d40;;
-  --primary-cta: #006064;;
+  --card: #f3e5f5;;
+  --foreground: #4a148c;;
+  --primary-cta: #7b1fa2;;
   --secondary-cta: #ffffff;;
-  --accent: #0288d1;;
-  --background-accent: #b2ebf2;; */
+  --accent: #ffc107;;
+  --background-accent: #ffe0b2;; */
 
-  --background: #bbdefb;;
-  --card: #e0f7fa;;
-  --foreground: #004d40;;
-  --primary-cta: #006064;;
+  --background: #fce4ec;;
+  --card: #f3e5f5;;
+  --foreground: #4a148c;;
+  --primary-cta: #7b1fa2;;
   --secondary-cta: #ffffff;;
-  --accent: #0288d1;;
-  --background-accent: #b2ebf2;;
+  --accent: #ffc107;;
+  --background-accent: #ffe0b2;;
 
   /* text sizing - set by ThemeProvider */
   /* --text-2xs: clamp(0.465rem, 0.62vw, 0.62rem);