* {
  box-sizing: border-box;
}

body {
  margin: 0;
  overflow: hidden;

  background: #111;
  color: white;

  font-family: Arial, sans-serif;
}

.topbar {

  height: 60px;

  background: #1a1a1a;

  display: flex;
  align-items: center;
  gap: 20px;

  padding: 0 20px;

  border-bottom: 1px solid #333;
}

select,
button {

  height: 36px;

  padding: 0 14px;

  border: none;
  border-radius: 6px;

  background: #2a2a2a;
  color: white;

  cursor: pointer;
}

button:hover {
  background: #3a3a3a;
}

.info {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

#viewport {

  width: 100vw;
  height: calc(100vh - 60px);

  overflow: hidden;

  position: relative;

  background: #000;
}

.map-wrapper {

  position: absolute;

  transform-origin: top left;

  cursor: grab;

  user-select: none;
}

.map-wrapper:active {
  cursor: grabbing;
}

#mapImage {

  display: block;

  user-select: none;
  pointer-events: none;

  -webkit-user-drag: none;
}

#canvas {

  position: absolute;

  top: 0;
  left: 0;

  pointer-events: auto;
}