.navbar-custom {
    background-color: #343a40 !important;
}
#sidebar {
    position: fixed;
    top: 0;
    left: -250px;
    height: 100%;
    width: 250px;
    background-color: #343a40;
    color: white;
    transition: left 0.3s ease;
    z-index: 1000;
    padding-top: 50px;
}
#sidebar.active {
    left: 0;
}
.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 30px;
    cursor: pointer;
}
.menu-item {
    padding: 10px 20px;
    color: white;
    text-decoration: none;
    display: block;
}
.menu-item:hover {
    background-color: #495057;
}