🐛 Fail to parse Tailwind 4 css file using the prefix function

[rphlmr]

Environment information

CLI:
  Version:                      1.9.4
  Color support:                true

Platform:
  CPU Architecture:             aarch64
  OS:                           macos

Environment:
  BIOME_LOG_PATH:               unset
  BIOME_LOG_PREFIX_NAME:        unset
  BIOME_CONFIG_PATH:            unset
  NO_COLOR:                     unset
  TERM:                         "xterm-256color"
  JS_RUNTIME_VERSION:           "v22.12.0"
  JS_RUNTIME_NAME:              "node"
  NODE_PACKAGE_MANAGER:         "npm/11.1.0"

Biome Configuration:
  Status:                       Loaded successfully
  Formatter disabled:           false
  Linter disabled:              false
  Organize imports disabled:    false
  VCS disabled:                 false

Workspace:
  Open Documents:               0

What happened?

When using the new Tailwind 4 import and prefix CSS functions together, the parser and linter fail to parse the file.

Prefix doc: https://tailwindcss.com/docs/upgrade-guide#using-a-prefix

Repro: https://biomejs.dev/playground/?unsafeParameterDecoratorsEnabled=false&allowComments=false&files.main.css=QABpAG0AcABvAHIAdAAgACIAdABhAGkAbAB3AGkAbgBkAGMAcwBzAC8AdQB0AGkAbABpAHQAaQBlAHMALgBjAHMAcwAiACAAcAByAGUAZgBpAHgAKABkAHYAKQA7AAoAQABpAG0AcABvAHIAdAAgACIAdABhAGkAbAB3AGkAbgBkAGMAcwBzAC8AdABoAGUAbQBlAC4AYwBzAHMAIgAgAHAAcgBlAGYAaQB4ACgAZAB2ACkAOwAKAAoAQABwAGwAdQBnAGkAbgAgACIAdABhAGkAbAB3AGkAbgBkAGMAcwBzAC0AYQBuAGkAbQBhAHQAZQAiADsACgA%3D

Expected result

Should not report any error

Code of Conduct

• I agree to follow Biome's Code of Conduct

[siketyan]

That's not a valid CSS syntax. See also #3195