#import "@preview/cetz:0.3.1"

// Shorthand, we'll be using these a lot.
#let tp = sym.plus.circle
#let tm = sym.times.circle

#let graphgrid(inner_content) = {
  align(
    center,
    box(
      inset: 3mm,
      cetz.canvas({
        import cetz.draw: *
        let x = 5.25

        grid(
          (0, 0), (x, x), step: 0.75,
          stroke: luma(100) + 0.3mm
        )

        if (inner_content != none) {
          inner_content
        }

        mark((0, x + 0.5), (0, x + 1), symbol: ">", fill: black, scale: 1)
        mark((x + 0.5, 0), (x + 1, 0), symbol: ">", fill: black, scale: 1)

        line(
          (0, x + 0.25),
          (0, 0),
          (x + 0.25, 0),
          stroke: 0.75mm + black,
        )
      }),
    ),
  )
}