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On a Mac, the volume keys bring up a panel under the menu bar, right where most websites or windows keep their buttons. macOS had no setting to hide it. When iterating fast, that can be frustrating.
The Mac's panel, over the prototype's toolbar.
Dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore.
A 4 px bar at the top-left edge. It fills as the volume goes up, then fades.
Dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore.
Most pages keep 16 px clear at the screen's edge. The bar fits inside it, and always stays out of the way.
Designed by me, built with Claude, which wrote the Swift.