Mobile preview toggle
A compact control bar that drives the preview surface — mobile vs desktop with the canonical pixel widths, a 75/100/125% scale toggle, and a dark-mode switch for verifying behaviour in dark inbox clients.
Production answer
Mobile preview toggle is a reusable Oak Flats Muffler Men UI primitive with documented states, accessibility expectations, theme behavior, and implementation evidence.
Primary CTAReview Mobile preview toggle states
Generative search brief
Mobile preview toggle: A compact control bar that drives the preview surface — mobile vs desktop with the canonical pixel widths, a 75/100/125% scale toggle, and a dark-mode switch for verifying behaviour in dark inbox clients.