Refactored `globals.css` to include detailed custom property definitions for colors, fonts, shadows, and spacing. Introduced `oklch` color format for consistent theming. Added `@custom-variant` for dark mode styles and extended base layer styling with Tailwind utilities for improved maintainability.
Introduce reusable UI components including `Button`, `Card`, `Accordion`, `DropdownMenu`, `HoverCard`, `Drawer`, `Avatar`, and others. Standardize styling and functionality across features to improve code maintainability and user experience.
