html, body, #app {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #071019;
}
#game {
  display: block;
  width: 100%;
  height: 100%;
}
.hud {
  position: fixed;
  left: 18px;
  top: 16px;
  z-index: 10;
  display: grid;
  gap: 4px;
  color: #eef8ff;
  font: 14px/1.35 Inter, Arial, sans-serif;
  text-shadow: 0 1px 8px #000;
  pointer-events: none;
}
.hud span { color: #9ec7d7; font-size: 12px; }