Auth screens UI kit · auth-screens (1440×1024 · sign in · get back in · locked out politely — one document, a state switcher top right)

The split ground: charcoal brand panel beside the working-surface form. Field at 52px with the edge token, one primary per state, the error as accent-as-text plus a dot, the lock-out as a StatTile and a disabled tonal button. Formal set — no motif.