### What problem does this PR solve?
- Modify and adjust styles (CSS vars, components) to match the design
system
- Adjust file and directory structure of admin UI
### Type of change
- [x] Refactoring
### What problem does this PR solve?
Feat: Add data operation node #10427
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Adjust the style of the canvas node #10703
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Change the style of all cards according to the design #10703
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Configure colors according to the design draft#3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Feat: Modify background color of Card #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: Add next login page with shadcn/ui #3221
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
