## Radius · Shadow · Spacing

Radius

`rounded-md`
`rounded-lg`
`rounded-full`

lg for cards/buttons/inputs, md for nav items, full for badges & avatars.

Elevation

`border`
`shadow-sm`
`shadow-lg`

Flat by default — a 1px border-neutral-200 separates surfaces. shadow-sm on cards, shadow-lg only for popovers/dialogs.

Spacing rhythm

`gap-2 · 8px`
`gap-3 · 12px (rows)`
`p-5 · 20px (cards)`
`p-6 / gap-6 · 24px`

Page padding p-6; cards p-5/p-6; control gaps gap-2/3.