This error occurs when a --theme() call in your stylesheet has invalid syntax,
such as no token name.
Reported
.card {
color: --theme();
}SW14007: invalid --theme() reference at value byte 9667: invalid --theme() property `` at byte 0
Fixed
.card {
color: --theme(--color-blue-500);
}How to fix
Write the full name of a theme token, with an optional fallback after a comma,
such as --theme(--color-brand, blue).
A valid reference to a token that the theme does not define is reported by invalid-theme-reference instead.