Add “Back to Top” Floating Button Add a small floating button at bottom-right corner. On click, it smoothly scrolls to top. Hide button when user is already at top. <img width="1840" height="942" alt="Image" src="https://github.com/user-attachments/assets/78915324-becf-4429-b3e3-2ad1e43700d7" />
Add “Back to Top” Floating Button
Add a small floating button at bottom-right corner.
On click, it smoothly scrolls to top.
Hide button when user is already at top.