body {
  background-color: #0b0d17;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 40px 70px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 90px 40px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(2px 2px at 160px 120px, #ffffff, rgba(0,0,0,0));
  background-size: 200px 200px;
}

.comet {
  position: absolute;
  width: 120px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255,255,255,1), rgba(0,191,255,0.8), transparent);
  border-radius: 50%;
  transform: rotate(-35deg);
  filter: drop-shadow(0 0 8px #00bfff);
  opacity: 0;
  pointer-events: none;
}

.comet-1 {
  top: 10%;
  right: -10%;
  animation: meteorPass 6s linear infinite;
  animation-delay: 1s;
}

.comet-2 {
  top: 40%;
  right: -10%;
  animation: meteorPass 8s linear infinite;
  animation-delay: 4s;
}

.comet-3 {
  top: 70%;
  right: -10%;
  animation: meteorPass 5s linear infinite;
  animation-delay: 2.5s;
}

@keyframes meteorPass {
  0% { transform: translateX(0) translateY(0) rotate(-35deg); opacity: 1; }
  70% { opacity: 1; }
  100% { transform: translateX(-120vw) translateY(120vh) rotate(-35deg); opacity: 0; }
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotateX(68deg) rotateY(-10deg);
  pointer-events: none;
}

.asteroid-belt {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 12px dotted rgba(72, 187, 120, 0.35);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotateX(68deg) rotateY(-10deg);
  pointer-events: none;
  animation: spinAsteroids 120s linear infinite;
}

@keyframes spinAsteroids {
  100% { transform: translate(-50%, -50%) rotateX(68deg) rotateY(-10deg) rotate(360deg); }
}

.planet-item {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  transform: translate(-50%, -50%);
  user-select: none;
}

.saturn-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 40%;
  border: 3px solid rgba(210, 180, 140, 0.85);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-20deg);
  pointer-events: none;
}