chore: update classnames according to the new theming structure (#1494)

* chore: store various shades of accent color

* refactor: custom theme selector

* refactor: custom theme selector

* chore: update custom theme input labels

* fix: color generator function logic

* fix: accent color preloaded data

* chore: new theming structure

* chore: update shades calculation logic

* refactor: variable names

* chore: update color scheming

* chore: new color scheming

* refactor: themes folder structure

* chore: update classnames to the new ones

* chore: update static colors

* chore: sidebar link colors

* chore: placeholder color

* chore: update border classnames

apps/app/components/core/modals/gpt-assistant-modal.tsx

@@ -143,7 +143,7 @@ export const GptAssistantModal: React.FC<Props> = ({
 
   return (
     <div
-      className={`absolute ${inset} z-20 w-full space-y-4 rounded-[10px] border border-brand-base bg-brand-base p-4 shadow ${
+      className={`absolute ${inset} z-20 w-full space-y-4 rounded-[10px] border border-custom-border-100 bg-custom-background-100 p-4 shadow ${
         isOpen ? "block" : "hidden"
       }`}
     >