Modal high contrast

[mcoker]

https://www.figma.com/design/iT76DS020Ry1Wswfc0Hmes/branch/wKcOq7IrzfL1gEK2mocd6r/High-Contrast-Exploration?m=auto&node-id=12395-68492&t=jKsaTsEZEFafqifW-1

[rebeccaalpert]

Need to consult with Lucia - missing several modal types/display modes.