#let fill-in(body) = highlight(fill: rgb("#FFF200"), text(style: "italic")[\[#body\]])
#let hdr(..cells) = cells.pos().map(c => table.cell(fill: luma(217), strong(c)))
#let one = rgb("#C6EFCE")
#let zero = rgb("#FFD7D7")

#let placeholder(what) = block(
  width: 100%,
  height: 5cm,
  stroke: 0.6pt,
  inset: 8pt,
  align(center + horizon, fill-in[Вставьте сюда #what]),
)