:root {
  --vapor-purple: #c77dff;
  --vapor-cyan: #01cdfe;
  --vapor-yellow: #fffb96;
  --space-deep: #0a0014;
  --space-mid: #1a0033;
  --space-edge: #2d1b4e;
  --orbit-line: rgba(199, 125, 255, 0.22);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}

body {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at top, var(--space-mid) 0%, var(--space-deep) 100%),
    var(--space-deep);
  color: #fff;
  font-family: 'VT323', monospace;
}

/* Stars */
body::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 25px 30px, #fff, transparent),
    radial-gradient(1px 1px at 80px 90px, var(--vapor-purple), transparent),
    radial-gradient(1px 1px at 130px 40px, var(--vapor-cyan), transparent),
    radial-gradient(2px 2px at 200px 150px, #fff, transparent),
    radial-gradient(1px 1px at 50px 200px, #fff, transparent),
    radial-gradient(1px 1px at 250px 80px, var(--vapor-yellow), transparent),
    radial-gradient(1px 1px at 300px 250px, #fff, transparent),
    radial-gradient(1px 1px at 170px 220px, var(--vapor-cyan), transparent);
  background-size: 350px 300px;
  background-repeat: repeat;
  z-index: 1;
  pointer-events: none;
}

/* Synthwave grid floor */
body::after {
  content: '';
  position: absolute;
  bottom: -10vh;
  left: -50%;
  right: -50%;
  height: 50vh;
  background-image:
    linear-gradient(var(--vapor-purple) 1px, transparent 1px),
    linear-gradient(90deg, var(--vapor-purple) 1px, transparent 1px);
  background-size: 40px 40px;
  transform: perspective(300px) rotateX(60deg);
  transform-origin: 50% 0;
  opacity: 0.35;
  z-index: 1;
  pointer-events: none;
  mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 100%);
}

.solar-system {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  z-index: 5;
  pointer-events: none;
}

.orbit {
  position: absolute;
  top: 0;
  left: 0;
  border: 1px dashed var(--orbit-line);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: spin linear infinite;
}

.orbit-1 { width: 38vmin; height: 38vmin; animation-duration: 16s; }
.orbit-2 { width: 62vmin; height: 62vmin; animation-duration: 28s; }
.orbit-3 { width: 88vmin; height: 88vmin; animation-duration: 44s; animation-direction: reverse; }

.planet {
  position: absolute;
  top: 0;
  left: 50%;
  width: 36px;
  height: 36px;
  transform: translate(-50%, -50%);
  image-rendering: pixelated;
}

.planet-1 {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 6px var(--vapor-purple));
}
.planet-2 {
  filter: drop-shadow(0 0 6px var(--vapor-cyan));
}
.planet-3 {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 0 6px var(--vapor-yellow));
}

.planet svg { width: 100%; height: 100%; display: block; }

/* Counter-rotate planets so rings/bands stay horizontal */
.orbit-1 .planet { animation: spin-counter 16s linear infinite; }
.orbit-2 .planet { animation: spin-counter 28s linear infinite; }
.orbit-3 .planet { animation: spin-counter 44s linear infinite reverse; }

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes spin-counter {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}

.content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 24px;
}

h1 {
  font-family: 'Press Start 2P', monospace;
  font-size: clamp(20px, 5vw, 36px);
  margin: 0 0 28px 0;
  color: #fff;
  letter-spacing: 2px;
  line-height: 1.5;
  text-shadow:
    3px 0 var(--vapor-purple),
    -3px 0 var(--vapor-cyan),
    0 0 24px rgba(199, 125, 255, 0.5);
}

p {
  font-family: 'VT323', monospace;
  font-size: clamp(24px, 4vw, 36px);
  margin: 0;
  color: #fff;
  letter-spacing: 1px;
  text-shadow: 0 0 12px rgba(1, 205, 254, 0.7);
}

@media (prefers-reduced-motion: reduce) {
  .orbit, .planet { animation: none; }
}