:root {
  --body-color: #010c15;
  --text-color: #726f77;
  --primary-color: #20c863;
  --secondary-color: #d4ff00;

  color-scheme: dark;
}

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

body,
html {
  height: 100%;
}

body {
  display: flex;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  background-color: var(--body-color);
}

.container {
  --size: 120px;
  --offset: 30px;
  --duration: 30s;

  position: relative;
  aspect-ratio: 1 / 1;
  pointer-events: none;
  display: inline-grid;
  border-radius: 9999px;
  width: calc(var(--size) * 3);
  border: 6px solid var(--primary-color);
  transition: box-shadow 0.3s ease-in-out;
  animation: spin-out var(--duration) linear infinite;

  & .item {
    z-index: 1;
    display: flex;
    grid-area: 1 / 1;
    width: var(--size);
    aspect-ratio: 1 / 1;
    pointer-events: auto;
    border-radius: 9999px;
    animation: spin-in var(--duration) linear infinite reverse;
    offset: circle(
        calc(var(--size) / (2 * sin(0.5turn / sibling-count())) + var(--offset))
      )
      calc(100% * sibling-index() / sibling-count()) 0deg;

    & img {
      width: inherit;
      height: inherit;
      pointer-events: auto;
      border-radius: 9999px;
      border: 3px solid var(--primary-color);

      transition-duration: 0.3s;
      transition-timing-function: ease-in-out;
      transition-property: box-shadow, scale, border;
    }

    &:hover {
      z-index: 2;

      & img {
        scale: 1.5;
        border-color: var(--secondary-color);
        box-shadow: 0 0 1rem var(--secondary-color);
      }

      & ~ * img {
        scale: 0.6;
      }
    }

    &:has(~ *:hover) img {
      scale: 0.6;
    }
  }

  &::before {
    content: "";
    z-index: -1;
    border: inherit;
    position: absolute;
    width: var(--size);
    aspect-ratio: 1 / 1;
    border-radius: 0.25rem;

    inset-block-start: 50%;
    inset-inline-start: 50%;
    transform: translate(-50%, -50%);

    transition-duration: 0.3s;
    transition-timing-function: ease-in-out;
    transition-property: transform, border-radius, border, box-shadow;
  }

  &::after {
    content: "";
    z-index: -1;
    inset: -6px;
    width: inherit;
    height: inherit;
    border: inherit;
    position: absolute;
    border-radius: inherit;
    animation: spin-in var(--duration) linear infinite reverse;

    transition-duration: 0.3s;
    transition-timing-function: ease-in-out;
    transition-property: scale, border-radius, border, box-shadow;
  }

  &:has(.item:hover) {
    animation-play-state: paused;
    box-shadow: 0 0 60px 12px var(--primary-color) inset,
      0 0 21px 15px var(--body-color);

    & .item {
      animation-play-state: paused;
    }

    &::before {
      --scale: 4;
      --translate: calc(-50% / var(--scale));

      border-width: 2px;
      border-radius: inherit;
      border-color: var(--secondary-color);
      transform: scale(var(--scale))
        translate(var(--translate), var(--translate));
      box-shadow: 0 0 15px var(--secondary-color),
        0 0 15px var(--primary-color) inset;
    }

    &::after {
      scale: 0.3;
      border-width: 18px;
      border-radius: 3rem;
      border-color: var(--secondary-color);
      box-shadow: 0 0 var(--size) var(--secondary-color) inset;
    }
  }
}

@keyframes spin-out {
  from {
    rotate: 0;
  }

  to {
    rotate: 360deg;
  }
}

@keyframes spin-in {
  from {
    transform: rotate(0);
  }

  to {
    transform: rotate(360deg);
  }
}