// Padding / gap accept 1-, 2-, or 4-value forms (SPEC §5/§10).
{
layout: column; gap: 12; padding: 8 12;
}
|box| "scalar padding"
|box| { padding: 4 12; } "v h padding"
|box| { padding: 2 8 16 24; } "t r b l padding"
|box| { radius: 8; } "radius 8"
inner |group| { layout: column; gap: 4 8; padding: 2 8 16 24; } [
|caption| "gap demo"
|box| { width: 80; height: 20; }
|box| { width: 80; height: 20; }
|box| { width: 80; height: 20; }
]