0144px minimum touch targets on all interactive elements (WCAG 2.5.5)
02Push notification pattern mirrors native OS notification style — familiar to approvers
03Biometric step is non-negotiable for high-value approvals — do not skip for UX convenience
04Key facts in 2-column grid (not table) — readable at 375px without horizontal scroll
05Context accordion collapses by default — surfaces critical info first, detail on demand