19 lines
762 B
Markdown
19 lines
762 B
Markdown
## 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
|