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

body {
  background: #2b2b2b;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: 100vh;
  transition: 0.5s;

  &.active {
    background: #f8f8f8;
  }
}

#toggle {
  position: relative;
  display: block;
  width: 320px;
  height: 160px;
  border-radius: 160px;
  background: #222;
  transition: 0.5s;
  box-shadow: inset 0 8px 60px rgba(0, 0, 0, 0.1),
    inset 0 8px 8px rgba(0, 0, 0, 0.1), inset 0 -4px 4px rgba(0, 0, 0, 0.1);
  .indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: linear-gradient(to bottom, #444, #222);
    cursor: pointer;
    transform: scale(0.9);
    box-shadow: inset 0 8px 40px rgba(0, 0, 0, 0.5),
      inset 0 4px 4px rgba(255, 255, 255, 0.2),
      inset 0 -4px 4px rgba(255, 255, 255, 0.2);
    transition: 0.5s;
  }

  &.active {
    background: #ffffff;
    box-shadow: inset 0 8px 60px rgba(0, 0, 0, 0.1),
      inset 0 8px 8px rgba(0, 0, 0, 0.1), inset 0 -4px 4px rgba(0, 0, 0, 0.05);

    .indicator {
      left: 160px;
      background: linear-gradient(to bottom, #eaeaea, #f9f9f9);
      box-shadow: inset 0 8px 40px rgba(0, 0, 0, 0.1),
        inset 0 4px 4px rgba(255, 255, 255, 1),
        inset 0 -4px 4px rgba(255, 255, 255, 1);
    }
  }
}