.moon {
  --moon-size: 120px;
  --moon-base: #ffffff;
  --moon-shade: #f3f3f3;
  --moon-edge: #ededed;
  --moon-star: #0d0f14;
  --moon-shoot: rgba(140, 190, 255, 0.9);
  position: fixed;
  top: clamp(12px, 3vw, 24px);
  right: clamp(12px, 3vw, 24px);
  width: var(--moon-size);
  height: var(--moon-size);
  z-index: 6;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.moon * {
  box-sizing: border-box;
}

body[data-state="stars"] .moon {
  opacity: 1;
  pointer-events: auto;
}

.moon__night {
  position: relative;
  width: 100%;
  height: 100%;
}

.moon__window {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 30% 30%,
    #ffffff 0%,
    var(--moon-shade) 60%,
    #e2e2e2 100%
  );
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 22px rgba(255, 255, 255, 0.35),
    inset 0 0 0 1px rgba(0, 0, 0, 0.05);
}

.moon__stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  animation: slide 30000ms linear infinite;
  will-change: transform;
}

.moon__stars:nth-child(2) {
  left: 100%;
}

.moon__star {
  position: absolute;
  width: 1px;
  height: 1px;
  background: var(--moon-star);
  border-radius: 50%;
}

.moon__shooting {
  position: absolute;
  width: 50px;
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--moon-shoot) 0%,
    rgba(140, 190, 255, 0) 100%
  );
  opacity: 0;
  animation: shooting 5000ms linear infinite;
}

@media (max-width: 700px) {
  .moon {
    --moon-size: 96px;
  }
}

@media (max-width: 480px) {
  .moon {
    --moon-size: 82px;
  }
}

@keyframes shooting {
  0% {
    opacity: 0;
    transform: rotateZ(-30deg) translateX(0) scaleX(0);
  }

  25% {
    opacity: 1;
    transform: rotateZ(-30deg) translateX(-200%) scaleX(1);
  }

  50% {
    opacity: 0;
    transform: rotateZ(-30deg) translateX(-400%) scaleX(2);
  }

  100% {
    opacity: 0;
    transform: rotateZ(-30deg) translateX(-400%) scaleX(2);
  }
}

@keyframes slide {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-100%);
  }
}