Foundations

Elevation

Four shadow levels, each with a dark-mode version, and a fixed stacking order.

Shadows

The same variable name switches to its dark version under data-theme="dark".

Token	Use	Sample
`--shadow-card`	Cards and panels
`--shadow-popover`	Menus and popovers
`--shadow-dialog`	Dialogs and drawers
`--shadow-raised`	Raised, floating elements

Layers

Token	z-index
`--z-base`	0
`--z-dropdown`	1000
`--z-sticky`	1100
`--z-overlay`	1200
`--z-modal`	1300
`--z-popover`	1400
`--z-toast`	1500