[exalted]

Did a similar setting awhile ago set in early 20th century like fantasy world, went with structuring what i called scientific magic on actual science.

There where magic which stored energies from nature that they could release as spells like electricity, heat, kinetic energy but needed to get that energy from somewhere such as a fire or a moving object. Storing the energy in any way portable equipment was tough.

Others did interesting things around phase transformations and atomic numbers in materials basically very limited but useful forms of alchemy, also quite explosive in some cases.

There where emerging fields in medical magic and more abstract scientific areas but these where considered experimental at best.

Mages didn't really do spells they where just able to manipulate what was there in different ways than regular people. They often had to use machines and gadgets to get any use of their gifts, doing on the fly magic was considered rather dangerous since that mostly left them with using themselves to power their sorcery.