@media (min-width: 768px) {
          .sidebar {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            width: 240px !important;
            max-width: none !important;
          }
          
          .sidebar-overlay {
            display: none !important;
          }
        }
        
        @media (max-width: 767px) {
          .sidebar {
            position: fixed !important;
          }
        }