:root{
--radius-xs:4px;
--radius-sm:8px;
--radius-md:12px;
--radius-lg:16px;
--radius-xl:24px;
--radius-pill:999px;

--border-hairline:1px;

--shadow-none:none;
--shadow-hairline:0 0 0 1px var(--linha);
--shadow-card:0 1px 2px rgba(31,44,39,.04),0 12px 28px -20px rgba(31,44,39,.18);
--shadow-lift:0 2px 4px rgba(31,44,39,.05),0 22px 44px -24px rgba(31,44,39,.24);
--shadow-inset-top:inset 0 1px 0 rgba(255,255,255,.5);
}