@charset "UTF-8";

* {
  overflow: hidden;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  background-color: white;
  width: 100%;
  height: 100vh;
  display: flex;
  position: relative;
}

.area {
  fill: white;
  stroke: black;
  stroke-width: .1rem;
}

.area.lit {
  fill: red;
}

#stage {
  position: fixed;
  inset: 0;
}

#stage svg {
  width: 100%;
  height: 100%;
  display: block;
}

#center-control {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

#n-select {
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  border: .1rem solid black;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: white;
  color: black;
  font-size: 1.5rem;
  text-align: center;
  text-align-last: center;
  cursor: pointer;
}