Bizarrely, there isn't even a hint of information about the design. There's nothing about a more specific name, what could power it, or if it's a preview of anything for the future. It sure is pretty, though.and FD RX-7. The overall size is very Miata, as is the front grille and some of the more crisp lines. But the coupe shape, smooth, organic body panels and especially those pop-up or psuedo-pop-up headlights are totally RX-7.
With no other information, we're left to speculate what could power it, and with Mazda's slow adoption of full EVs, that leaves options pretty wide open. It could hypothetically be powered by a variant of the Miata four-cylinder or one of the recent turbo engines. It could use the rotary-range-extended electric platform that Mazda of Europe's version of the release noted