:root{
--space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-5:24px; --space-6:32px; --space-7:48px; --space-8:64px; --space-9:96px;
/* Radii — painted-soft but disciplined */
--radius-sharp:0; /* windows (all media), bands, rules, letterbox bars */
--radius-sm:4px; /* inputs, chips, tags */
--radius-md:8px; /* buttons */
--radius-lg:12px; /* cards, panels */
--radius-xl:18px; /* modals, sheets */
--radius-full:9999px; /* the discs — avatars, status dots, the Transit */
/* Layout — verticality as proportion */
--measure-text:680px;
--measure-media:960px;
}