:root {
/* region basis rungs — signed depth ladder as box-shadow recipes (NOT z-index) */
{normalize-space(xhtml:td[1])}: {normalize-space(xhtml:td[2])};
/* endregion basis rungs */
/* region semantic endpoints — required product-facing contract */
{normalize-space(xhtml:td[1])}: {normalize-space(xhtml:td[2])};
/* endregion semantic endpoints */
/* region optional semantic endpoints — back-deep / work-floating */
{normalize-space(xhtml:td[1])}: {normalize-space(xhtml:td[2])};
/* endregion optional semantic endpoints */
}
/* region forced-colors fallback — collapse rungs; tier signal carried by D5 contour and spatial isolation */
@media (forced-colors: active) {
:root {
{normalize-space(xhtml:td[1])}: {normalize-space(xhtml:td[2])};
}
}
/* endregion forced-colors fallback */
cem-layering-rungs — signed-depth ladder (box-shadow recipes)
Token
Value
Tier
Sample
Description
{$token}
{$value}
{$tier}
{$desc}
cem-layering-semantic — required semantic endpoints
Token
Value
Tier
Description
{$token}
{$value}
{$tier}
{$desc}
cem-layering-rungs-forced — forced-colors fallback
Token
Forced-colors value
{$token}
{$value}
{$css-body}