/* Elevation on dark is expressed by surface lift, not shadow.
   Level 0 canvas · 1 surface-1 + translucent hairline · 2 surface-2 + hairline · 3 accent ground. */
:root{--elev-0-bg:var(--canvas);--elev-0-border:none;
--elev-1-bg:var(--surface-1);--elev-1-border:var(--border-width) solid var(--hairline-translucent);
--elev-2-bg:var(--surface-2);--elev-2-border:var(--border-width) solid var(--hairline);
--shadow-none:none;
/* the only permitted shadow: overlay scrim depth for dialogs */
--scrim:rgba(0,0,0,0.72)}