* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --sky: #0f1a2e;
  --gold: #f4c95d;
  --size: clamp(64px, 24vw, 120px);
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at 50% 40%, #1c2c4a, var(--sky) 70%);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #e8edf5;
}

.stage {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.loader {
  position: relative;
  width: var(--size);
  height: var(--size);
}

.moon {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: calc(var(--size) * -0.2) calc(var(--size) * 0.08) 0 0 var(--gold);
  filter: drop-shadow(0 0 10px rgba(244, 201, 93, 0.45));
  transform-origin: 50% 50%;
  animation: rock 2.4s ease-in-out infinite;
}

.star {
  position: absolute;
  top: 22%;
  right: 4%;
  width: calc(var(--size) * 0.22);
  height: calc(var(--size) * 0.22);
  background: var(--gold);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  animation: twinkle 1.2s ease-in-out infinite;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.back {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: #c9d4e6;
  font-size: 0.875rem;
  text-underline-offset: 3px;
  padding: 4px 8px;
  border-radius: 4px;
}

.back:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

@keyframes rock {
  0%,
  100% {
    transform: rotate(-14deg);
  }
  50% {
    transform: rotate(14deg);
  }
}

@keyframes twinkle {
  0%,
  100% {
    transform: scale(0.6) rotate(0deg);
    opacity: 0.45;
  }
  50% {
    transform: scale(1.1) rotate(36deg);
    opacity: 1;
  }
}

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

  .moon {
    transform: rotate(-8deg);
  }

  .star {
    animation: glow 3s ease-in-out infinite;
  }

  @keyframes glow {
    0%,
    100% {
      opacity: 0.6;
    }
    50% {
      opacity: 1;
    }
  }
}