🎨 Update theme (#666)

frontend/src/components/Admin/EditUser.tsx

@@ -163,9 +163,7 @@ const EditUser: React.FC<EditUserProps> = ({ user, isOpen, onClose }) => {
 
           <ModalFooter gap={3}>
             <Button
-              bg="ui.main"
-              color="white"
-              _hover={{ opacity: 0.8 }}
+              variant="primary"
               type="submit"
               isLoading={isSubmitting}
               isDisabled={!isDirty}