Examples
Under Content
The reason `bg-dot-grid` is the default choice for a working surface: a dot field reads as measured paper without ruling a line through a single word.
Retuned
Retuning with the tokens instead of new utilities. Each panel carries the same `bg-dot-grid` class and differs only in the `--paper-*` values it sets.
Sheet With Content
A full sheet as a section ground, with plain cards on top — the budget rule in practice. The section is the paper; its children are objects placed on it, so they keep their own flat `bg-card`.