- Updated styles.css to implement a three-layer design token architecture: Primitive, Semantic, and Component.
- Introduced new CSS variables for colors, spacing, typography, and shadows.
- Developed styles for buttons, cards, inputs, textareas, selects, badges, tables, modals, forms, color pickers, empty states, and loading spinners.
- Improved sync status view with responsive design and enhanced UI elements.
- Added skeleton loading animations for better user experience.
chore: Add configuration files for development environment
- Created .claude/settings.json to enable commit commands plugin.
- Added .vscode/c_cpp_properties.json for C/C++ IntelliSense configuration.
- Introduced .vscode/launch.json for debugging C/C++ applications with GDB.
