Design Tips: Writing Tailwind Compatible Semantic Css


@layer components {
:where([ui=button]):not([ui-variant]) {
--btn-bg: var(--color-zinc-900);
--btn-border: var(--color-zinc-950)/90;
--btn-hover-overlay: var(--color-white)/10;
--btn-icon: var(--color-zinc-400);
 
@apply
border-transparent
bg-(--btn-border)
text-white
active:[--btn-icon:var(--color-zinc-300)]
dark:bg-(--btn-bg)
dark:border-white/5
dark:[--btn-bg:var(--color-zinc-600)]
dark:[--btn-hover-overlay:var(--color-white)]/5;
 
&:hover:not(:disabled) {
@apply
after:bg-(--btn-hover-overlay)
[--btn-icon:var(--color-zinc-300)];
}
&::before {
@apply
absolute
inset-0
-z-10
rounded-[calc(var(--radius-lg)-1px)]
bg-(--btn-bg)
shadow-sm
dark:hidden
disabled:shadow-none
}
&::after {
@apply
absolute
inset-0
-z-10
rounded-[calc(var(--radius-lg)-1px)]
shadow-[shadow:inset_0_1px_--theme(--color-white/15%)]
active:bg-(--btn-hover-overlay)
dark:-inset-px
dark:rounded-lg
disabled:shadow-none
}
}
:where([ui=button]) {
@apply
relative
isolate
inline-flex
items-baseline
justify-center
gap-x-2
rounded-lg
border
text-base/6
font-semibold
px-[calc(--spacing(3.5)-1px)]
py-[calc(--spacing(2.5)-1px)]
sm:px-[calc(--spacing(3)-1px)]
sm:py-[calc(--spacing(1.5)-1px)]
sm:text-sm/6
focus:outline-hidden
focus:outline-2
focus:outline-offset-2
focus:outline-blue-500
disabled:opacity-50
*:data-[slot=icon]:-mx-0.5
*:data-[slot=icon]:my-0.5
*:data-[slot=icon]:size-5
*:data-[slot=icon]:shrink-0
*:data-[slot=icon]:self-center
*:data-[slot=icon]:text-(--btn-icon)
sm:*:data-[slot=icon]:my-1
sm:*:data-[slot=icon]:size-4
forced-colors:[--btn-icon:ButtonText]
forced-colors:hover:[--btn-icon:ButtonText]
dark:text-white
cursor-default;
}
}