:root{
/* Depth comes from soft, low-contrast shadows and whitespace now, not ruled boxes. */
--shadow-none:none;
--shadow-card:0 1px 2px rgba(13,48,76,0.04),0 1px 8px -2px rgba(13,48,76,0.06);
--shadow-raised:0 2px 6px -2px rgba(13,48,76,0.08);
--shadow-hover:0 10px 24px -8px rgba(13,48,76,0.16);
--shadow-float:0 20px 48px -12px rgba(20,17,15,0.22);
--shadow-drawer:0 0 0 100vmax rgba(20,17,15,0.55);
--ring-focus:0 0 0 2px var(--brass);
--ring-selected:inset 0 0 0 2px var(--ink);
}