# Tidepool Keyboard Demo

A dependency-free browser demo for moving an explorer between tidepool zones.

## Keyboard controls

- ArrowRight and ArrowDown move to the next zone.
- ArrowLeft and ArrowUp move to the previous zone.
- Movement wraps at both ends.

## Review checklist

- Confirm every action has a visible keyboard focus state.
- Confirm the active zone is announced in a live region.
- Confirm wraparound behavior is understandable without a pointer.