/* Back to Top Button */
#backtotop {
    position: fixed;
    bottom: 75px; /* raised above mini player */
    right: 1.5rem;
    width: 45px;
    height: 45px;
    background-color: #4CAF50;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1101; /* higher than mini player */
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transition: background-color 0.3s ease;
    background-image: url('data:image/svg+xml;utf8,<svg fill="white" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"/></svg>');
    background-repeat: no-repeat;
    background-position: center;
    background-size: 24px 24px;
  }
  
  #backtotop:hover,
  #backtotop:focus {
    background-color: #388e3c;
    outline: none;
  }