:root{
--radius-none:0px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:20px;--radius-full:9999px;
--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);
--shadow-md:0 4px 6px -1px rgba(0,0,0,0.05);
--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.08);
--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.1);
--shadow-2xl:0 25px 50px -12px rgba(0,0,0,0.12);
--focus-ring:0 0 0 2px rgba(255,138,101,0.4);
}