/* public/css/loader.css */
.loader {
    position: fixed;
    left: 50%;
    top: 50%;
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 2s linear infinite;
    z-index: 9999;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }