.loader-overlay {
  display: none; 
  position: fixed;
  
  width: 100%;
  height: 100%;
  backdrop-filter: blur(6px);
  background-color: rgba(0, 0, 0, 0.3);
  justify-content: center;
  align-items: center;
  z-index: 9998;
}

.loader {
  color: #007bff;
  font-size: 10px;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  position: relative;
  text-indent: -9999em;
  animation: mulShdSpin 1.3s infinite linear;
  transform: translateZ(0);
  z-index: 9999;
}

@keyframes mulShdSpin {
  0%, 100% {
    box-shadow: 0 -3em 0 0.2em, 2em -2em 0 0em, 3em 0 0 -1em, 
                2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, 
                -3em 0 0 -1em, -2em -2em 0 0;
  }
  12.5% {
    box-shadow: 0 -3em 0 0, 2em -2em 0 0.2em, 3em 0 0 0, 
                2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 -1em, 
                -3em 0 0 -1em, -2em -2em 0 -1em;
  }
  25% {
    box-shadow: 0 -3em 0 -0.5em, 2em -2em 0 0, 3em 0 0 0.2em, 
                2em 2em 0 0, 0 3em 0 -1em, -2em 2em 0 -1em, 
                -3em 0 0 -1em, -2em -2em 0 -1em;
  }
  37.5% {
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 0, 
                2em 2em 0 0.2em, 0 3em 0 0em, -2em 2em 0 -1em, 
                -3em 0em 0 -1em, -2em -2em 0 -1em;
  }
  50% {
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 
                2em 2em 0 0em, 0 3em 0 0.2em, -2em 2em 0 0, 
                -3em 0em 0 -1em, -2em -2em 0 -1em;
  }
  62.5% {
    box-shadow: 0 -3em 0 -1em, 2em -2em 0 -1em, 3em 0 0 -1em, 
                2em 2em 0 -1em, 0 3em 0 0, -2em 2em 0 0.2em, 
                -3em 0 0 0, -2em -2em 0 -1em;
  }
  75% {
    box-shadow: 0em -3em 0 -1em, 2em -2em 0 -1em, 3em 0em 0 -1em, 
                2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, 
                -3em 0em 0 0.2em, -2em -2em 0 0;
  }
  87.5% {
    box-shadow: 0em -3em 0 0, 2em -2em 0 -1em, 3em 0 0 -1em, 
                2em 2em 0 -1em, 0 3em 0 -1em, -2em 2em 0 0, 
                -3em 0em 0 0, -2em -2em 0 0.2em;
  }
}