762 B
762 B
Purpose
Canonical specification for theme-switcher-control requirements synced from OpenSpec change deltas.
Requirements
Requirement: Header provides icon-based theme switcher
The system SHALL display a theme switcher in the top-right header area with icon controls for system, light, dark, and high-contrast modes.
Scenario: Theme options visible as icons
- WHEN a user views the header
- THEN all four theme options are represented by distinct icons
- AND each option is keyboard-accessible and screen-reader labeled
Scenario: Theme selection applies immediately
- WHEN a user selects a theme option
- THEN the page updates visual theme without full page reload
- AND selected option has a visible active state