[bug]: CSS class syntax error in Field component (Next.js 16 + Tailwind 4.1)

[MrAbhijitSaha]

Describe the bug

There’s a CSS syntax error in the Field component from shadcn/ui.
Tailwind 4.1 throws a parsing error for some advanced selectors used in this component, such as has-[> and @md/....
These selectors don’t compile properly in the latest Tailwind version

Affected component/components

Field (and possibly related: FieldGroup, FieldLabel)

How to reproduce

Create a new Next.js 16 app with Tailwind CSS 4.1.

Add the Field component from shadcn/ui.

Start the run next build.

you'll see warning for invalid class syntax.

Codesandbox/StackBlitz link

No response

Logs

System Info

Next.js: 16

Tailwind CSS: 4.1

React: 19.2

Windows 11

Before submitting

• I've made research efforts and searched the documentation
• I've searched for existing issues