* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
}

body {
  background: #111;
}

.stage {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: 16px;
}

.image-wrap {
  position: relative;
  display: inline-block;
  line-height: 0;
}

#base-image {
  display: block;
  max-width: min(96vw, 1200px);
  max-height: 96vh;
  width: auto;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}

#draw-layer {
  position: absolute;
  inset: 0;
  touch-action: none;
  cursor: crosshair;
}