0542
When the user taps the minus button on the quantity selector, the button smoothly morphs back into the primary 'Add to cart' state. Simultaneously, the floating 'View cart' pill above updates in real-time: the item count text rolls down to transition from '3 items' to '2 items', and the corresponding product thumbnail inside the pill shrinks and fades out, causing the remaining thumbnails to slide left and fill the space with a subtle springy settling effect.
