html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  background: #05070a;
  color: #eef6f7;
  font-family: Inter, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  overscroll-behavior: none;
  -webkit-text-size-adjust: 100%;
}

#app {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  width: 100dvw;
  height: 100dvh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 238, 180, 0.08), transparent 38%),
    linear-gradient(135deg, #05070a, #101820 62%, #07090c);
  box-sizing: border-box;
}

#game {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  background: #090d11;
}

#loading {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(9, 13, 17, 0.72);
  color: rgba(238, 246, 247, 0.86);
  font-size: 15px;
  pointer-events: none;
}