:root{
/* Microcement is a troweled, seamless material: edges stay near-square.
   Nothing in this system is a pill except the tag/badge. */
--radius-none:0;
--radius-xs:2px;
--radius-sm:3px;   /* inputs, buttons */
--radius-md:4px;   /* cards, media frames */
--radius-lg:6px;   /* dialogs, large panels */
--radius-pill:999px; /* tags + badges only */

--border-width:1px; /* @kind spacing */
--border-width-strong:1.5px; /* @kind spacing */
--rule-width:1px; /* @kind spacing */
}