Replaces `swp-section-label` with standardized `swp-card-header` and `swp-card-title`
Improves component consistency across multiple features:
- Adds structured card headers
- Introduces more semantic HTML elements
- Enhances layout and readability of card components
Updates CSS and component styles to support new structure
Consolidates UI components into a centralized components.css file
Removes duplicate styles across multiple CSS files
Adds utility classes in a new utilities.css file
Reduces overall CSS complexity and improves maintainability
Removes quick-stats.css and redistributes its styles
Updates layout and stylesheet references accordingly