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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #ffffff;
  background-image: radial-gradient(#d0d0d0 2px, transparent 2px);
  background-size: 28px 28px;
  font-family: 'Courier New', monospace;
  color: #000;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  cursor: grab;
}

canvas:active { cursor: grabbing; }

#hud {
  position: fixed;
  top: 24px;
  right: 28px;
  text-align: right;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
  pointer-events: none;
}

#best {
  font-size: 12px;
  opacity: 0.45;
  margin-top: 4px;
  font-weight: 400;
  letter-spacing: 1px;
}

#instructions {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.4;
  pointer-events: none;
  white-space: nowrap;
}