:root{
/* Corners stay close to square. This is a print identity: engraved rules, not soft cards. */
--radius-none:0;
--radius-xs:2px;
--radius-sm:3px;
--radius-oval:50%;
--radius-pill:999px;

/* Hairlines. 1px is the working weight; the double line is the cartouche motif. */
--border-width:1px;
--border-width-medium:1.5px;
--border-width-heavy:2px;
--border-hairline-1:var(--border-width) solid var(--border-hairline);
--border-rule-1:var(--border-width) solid var(--border-rule);
--border-strong-1:var(--border-width) solid var(--border-strong);
--border-on-dark-1:var(--border-width) solid var(--border-on-dark);

/* Double-line frame, drawn with an inset outline rather than two elements */
--frame-double-gap:5px;
--frame-double-light:0 0 0 1px var(--cream-a48),0 0 0 6px transparent,0 0 0 7px var(--cream-a48);
--frame-double-dark:0 0 0 1px var(--ink-a32),0 0 0 6px transparent,0 0 0 7px var(--ink-a32);
}