.sidebar{background-color:#fff;color:#333;box-shadow:0 4px 8px rgba(0,0,0,.1);transition:all .3s ease}.sidebar-header{background-color:#fff;color:#fff;font-size:1.5rem;font-weight:700;padding:1rem;text-align:center;border-bottom:1px solid #e0e0e0;box-shadow:0 2px 4px rgba(0,0,0,.1);transition:background-color .3s ease,color .3s ease}.sidebar-header img{max-width:100px;height:auto}.sidebar-nav{margin-top:1rem}.sidebar-nav-item{display:flex;align-items:center;padding:.75rem 1rem;cursor:pointer;transition:background-color .3s ease,transform .3s ease;border-radius:.5rem}.sidebar-nav-item:hover{background-color:#e9ecef;transform:scale(1.05);box-shadow:0 4px 8px rgba(0,0,0,.1)}.sidebar-nav-icon{margin-right:.5rem;transition:transform .3s ease}.sidebar-nav-item:hover .sidebar-nav-icon{transform:rotate(20deg)}