/**
 * Loader adapted to project colors
 */

.visible {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.75s linear;
}

.hidden {
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s 0.75s, opacity 0.75s linear;
}

#preloader {
  background-color: var(--bg-color);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999999999;
  overflow: visible;
}

#css-animation {
  display: block;
  position: relative;
  left: 50%;
  top: 50%;
  width: 150px;
  height: 150px;
  margin: -75px 0 0 -75px;
  border-radius: 50%;

  border: 3px solid transparent;
  border-top-color: var(--sidebar-gradient-1);

  animation: spin 2s linear infinite;
}

#css-animation:before {
  content: "";
  position: absolute;
  top: 6px;
  left: 6px;
  right: 6px;
  bottom: 6px;
  border-radius: 50%;

  border: 3px solid transparent;
  border-top-color: var(--span-color-addit);

  animation: spin 3s linear infinite;
}

#css-animation:after {
  content: "";
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  bottom: 16px;
  border-radius: 50%;

  border: 3px solid transparent;
  border-top-color: var(--hover);

  animation: spin 1.5s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}