#let context_step(key) = context {
  let lvl = query(selector(heading).before(here())).at(-1).level+1;
  counter(key).step(level: lvl)
}

#let laboratoire(course: "Course Name", title: "Course title", doc) = {
  set page(
    header: [#course - Labo X - #title],
    footer: [],
    numbering: "1 / 1"
  )

  set heading(numbering: "1.1")

  show heading: h => { 
    let fresh = counter(heading).get(); 
    counter("manipulation").update(fresh)
    counter("question").update(fresh)
    h
  }

  doc
}

#let pretty_block(color, title, x) = { 

  let edge = color;

  block(radius: (top: 3pt), 
        inset: 4pt, 
        stroke: 1pt + edge, 
        fill: color.lighten(50%),
        width: 100%,
        below: 0pt,
        text(weight: "bold", title))
        
  block(radius: (bottom: 3pt), 
        inset: 7pt,
        stroke: 1pt + edge,
        fill: color.lighten(80%),
        width: 100%,
        x)
  
}

#let operation(x) = { 
  context_step("manipulation")
  pretty_block(rgb("#9f82ff"), "Manipulation " + context counter("manipulation").display(), x)
}
#let question(q,a) = {
  context_step("question")
  pretty_block(green, "Question " + context counter("question").display("1.1"), q)
  pretty_block(red, "Réponse " + context counter("question").display("1.1"), a)

}

#show: laboratoire

= Section

#operation[Commencez ici]

bla bla

== Sous-section

bli bli

#operation[ Une manipulation à effectuer ]

#question[ Quelle est la réponse ? ][asd]

= Autre sous-section

blu blu

#question[xxxx][yyyyyy]