.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    will-change: opacity, visibility;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
    transition: opacity 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

    .sidebar-backdrop.active {
        opacity: 1;
        visibility: visible;
    }

.app-sidebar {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

    .app-sidebar.is-mobile.is-collapsed {
        transform: translate3d(100%, 0, 0);
    }

    .app-sidebar.is-mobile.is-expanded {
        transform: translate3d(0, 0, 0);
    }

    .app-sidebar:not(.is-mobile) {
        transform: translate3d(0, 0, 0);
    }

    .app-sidebar .rz-panel-menu {
        height: 100%;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
    }

        .app-sidebar .rz-panel-menu .rz-navigation-item-link {
            padding: 0.75rem 1rem;
            transition: background-color 0.2s ease;
        }

            .app-sidebar .rz-panel-menu .rz-navigation-item-link:hover {
                background: rgba(var(--rz-primary-rgb), 0.08);
            }

        .app-sidebar .rz-panel-menu .rz-navigation-item-icon {
            margin-right: 0.5rem;
        }

@media (max-width: 768px) {
    .app-sidebar {
        width: 280px;
        max-width: 85vw;
    }
}

@media (min-width: 769px) {
    .app-sidebar {
        width: 260px;
    }

    .sidebar-backdrop {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar-backdrop,
    .app-sidebar,
    .app-sidebar .rz-panel-menu .rz-navigation-item-link {
        transition: none;
    }
}