:root{
--shadow-sm:0 1px 2px rgba(var(--shadow-color),0.08);
--shadow-md:0 4px 12px rgba(var(--shadow-color),0.10);
--shadow-lg:0 12px 32px rgba(var(--shadow-color),0.14);
--shadow-xl:0 24px 64px rgba(var(--shadow-color),0.18);
--shadow-inset:inset 0 0 0 1px rgba(var(--shadow-color),0.08);
--ring-focus:0 0 0 3px rgba(79,63,240,0.30);
}