Tailwind generates empty classes for certain classnames

[eloraa]

What version of Tailwind CSS are you using?

V^4.1.5

What build tool (or framework if it abstracts the build tool) are you using?

Next.js 15.3.1, React ^19.1.0, @tailwindcss/postcss ^4.1.5

What version of Node.js are you using?

v20.11.1

What browser are you using?

Chrome, Firefox

What operating system are you using?

Windows, Linux

Reproduction URL
https://dmwlz8-3000.csb.app/shop
https://codesandbox.io/p/devbox/dmwlz8 (Minimal reproduction of my issue)

Describe your issue

For certain className, Tailwind is appending empty classes (you can see in the image, also from the reproduction link), especially those with breakpoints. I tried switching devices and reinstalling everything, but I still get the same output.