Nice: This pull request includes a variety of changes to multiple components in the frontend, primarily focusing on improving the user interface and functionality of class management, middle column, and navigation bar components. The most important changes include adding new methods, updating styles, and enhancing the user experience with animations and better state management.

Class Management Improvements:

• frontend/src/components/analytics/classManagement/AddClassForm.tsx: Added a handleShowModal function to show the modal only when valid data is entered, and updated button styles and form structure for better user experience. [1] [2] [3]
• frontend/src/components/analytics/classManagement/ClassList.tsx: Added state management to handle class selection and collapse animations, and updated styles for better visual feedback. [1] [2] [3] [4] [5]

Middle Column Adjustments:

• frontend/src/components/analytics/middleCol/MiddleCol.tsx: Adjusted margin styles for better alignment.
• frontend/src/components/analytics/middleCol/TicketQueue.tsx: Updated background colors for better visual consistency.

Navigation Bar Enhancements:

• frontend/src/components/navbar/NavBar.tsx: Reorganized imports, added icons to navigation buttons, and updated button styles for better user experience. [1]R1, [2] [3]

General Layout Improvements:

• frontend/src/pages/analyticsPage/AnalyticsPage.tsx: Updated grid layout for better responsiveness and spacing adjustments.

Minor Changes:

• frontend/src/components/analytics/AnalyticPieChart.tsx: Removed unused import to clean up the code.