# openspec/changes/archive/2026-05-25-mobile-app-usability/specs/mobile-navigation dir: openspec/changes/archive/2026-05-25-mobile-app-usability/specs/mobile-navigation index: openspec/changes/archive/2026-05-25-mobile-app-usability/specs/mobile-navigation/.pi-map.index.md ## role Defines responsive mobile navigation UI requirements with viewport-adaptive layout patterns (bottom tabs for mobile, sidebar for desktop) including safe area handling. ## files - spec.md | Defines mobile-responsive navigation requirements with bottom tab bar for mobile viewports and sidebar for desktop, including safe area support ## arch Specification-driven requirements document using viewport-based conditional rendering pattern with platform-specific layout adaptation and safe area insets for notched devices. ## tags mobile, spec, defines, responsive, navigation, requirements, bottom, tab ## symbols - ## workflows - ## dirty -