brand groundcharcoal, both themes — chrome-bar, masthead-band, hero, agent card, brand-tone buttons. Its inks never change with theme.
working groundnight on dark, paper on light — list, message, tables, dense reading. Never a saturated colour behind dense text.
re-entryA working card inside a brand block takes .postie-working; the nearest ancestor wins, never a descendant rule.
pebblestonal steps only — pebble-1 / pebble-2 of the working ground; one raised-brand step on the chrome. Never a hue, never an avatar fill.STASTA