BGI HRMS Sneat-Style Theme

This package updates the HRMS admin UI to a Sneat-style dashboard look:

- White vertical sidebar with rounded corners
- Floating white topbar
- Purple primary color (#696cff)
- Soft card shadows and semi-rounded cards
- Improved menu search with readable active/search result colors
- Responsive off-canvas sidebar on mobile
- Sneat-style clean login page
- Dark mode support retained

No external Sneat template files, images, or vendor assets are included. The CSS/JS is a local BGI HRMS overlay inspired by the Sneat dashboard design language.

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