This PR adds back box-shadow on header and first frozen columns of the table, they appear at scroll. With the recent refactor and the removal of a lot of re-render, and the usage of CSS variables, it is now completely fluid. # Before <img width="500" height="234" alt="image" src="https://github.com/user-attachments/assets/9735acb0-5951-4a2d-845c-49e917e99053" /> <img width="576" height="242" alt="image" src="https://github.com/user-attachments/assets/328654bf-97c7-43a2-86b1-0f100ed60daa" /> # After <img width="455" height="250" alt="image" src="https://github.com/user-attachments/assets/3450a63f-4d6f-45ed-bfd2-3c10856b21a7" /> <img width="488" height="244" alt="image" src="https://github.com/user-attachments/assets/1057a391-3a98-4b5e-97f1-890f79e6f8d0" />