:root{
--radius-none:0;--radius-input:2px;--radius-default:4px;--radius-modal:8px;--radius-full:9999px;
--border-width-hairline:1px;--border-width-accent:2px;
--shadow-sm:0 1px 2px rgba(19,19,24,0.06);
--shadow-md:0 4px 12px rgba(19,19,24,0.08);
--shadow-lg:0 12px 32px rgba(19,19,24,0.12);
--rule-red-width:48px;--rule-red-height:2px;
}