.spinner {
    /* Spinner size and color */
    width: 1.5rem;
    height: 1.5rem;
    border-top-color: #444;
    border-left-color: #444;
  
    /* Additional spinner styles */
    animation: spinner 400ms linear infinite;
    border-bottom-color: transparent;
    border-right-color: transparent;
    border-style: solid;
    border-width: 2px;
    border-radius: 50%;  
    box-sizing: border-box;
    display: none;
    vertical-align: middle;
    position: fixed;
    left: 48%;
    top: 48%;
    z-index: 9999; /* Ensure the spinner appears on top of everything */
  }

  /* Animation styles */
    @keyframes spinner {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  
  /* Optional — create your own variations! */
  .spinner-large {
    width: 5rem;
    height: 5rem;
    border-width: 6px;
  }

  .spinner-blue {
    border-top-color: #111111;
    border-left-color: #111111;
  }

  .spinner-slow {
    animation: spinner 1s linear infinite;
  }
  
  .spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 9998; /* Just below the spinner */
    display: none; /* Initially hidden */
  }