/* Loader Spinner */
.loader {
    width: 48px;
    height: 48px;
    border: 5px solid #FFF;
    border-bottom-color: #FF3D00;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
  }
  
  /* Fullscreen Overlay */
  .fullscreen-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
  }
  
  /* Hide by default */
  .hidden {
    display: none;
  }
  
  /* Prevent scroll when loading */
  body.loading {
    overflow: hidden;
  }
  
  @keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }