primevue-mirror/assets/styles/layout/_sidebar.scss

.layout-sidebar {
    position: sticky;
    left: 0;
    top: 6rem;
    height: calc(100vh - 9rem);
    user-select: none;
    transition: transform .4s cubic-bezier(.05,.74,.2,.99), opacity .3s;
    display: flex;
    flex-direction: column;
    padding: 0 0 0 0;
    flex: 0 0 250px;
    margin-right: 4rem;
    overflow: auto;

    .logo {
        display: flex;
        justify-content: center;
    }

    nav {
        padding: 0 1rem 0 0;
        margin: 0;
        flex-grow: 1;
    }

    .layout-menu {
        list-style: none;
        margin: 0;
        padding: 0;

        > li {
            margin-bottom: .25rem;
            
            > button, 
            > a {
                display: flex;
                width: 100%;
                align-items: center;
                padding: .5rem 0;
                color: var(--surface-900);
                font-weight: 600;
                transition: all .2s;
                border-radius: var(--border-radius);

                .menu-icon {
                    width: 2rem;
                    height: 2rem;
                    border-radius: var(--border-radius);
                    margin-right: .5rem;
                    border: 1px solid var(--surface-border);
                    display: inline-flex;
                    align-items: center;
                    justify-content: center;
                    transition: all .2s;
    
                    i {
                        color: var(--surface-700);
                        transition: all .2s;
                    }
                }
    
                .menu-toggle-icon {
                    color: var(--surface-700);
                    margin-left: auto;
                }

                &:hover {
                    .menu-icon {
                        i {
                            color: var(--primary-color-default);
                        }
                    }

                    .menu-toggle-icon {
                        color: var(--surface-900);
                    }
                }

                &.router-link-active {
                    color: var(--primary-color-default);
        
                    > .menu-icon {
                        i {
                            color: var(--primary-color-default);
                        }
                    }
                }

                @include focus-visible(inset);
            }
            
            > div {
                ol {
                    margin: 0 0 0 1rem;
                    padding: .25rem 0;
                    list-style: none;

                    li {
                        a {
                            color: var(--surface-700);
                            border-left: 1px solid var(--surface-border);
                            transition: all .2s;
                            font-weight: 450;
                            display: flex;
                            padding: .5rem .5rem .5rem 1rem;
                            color: var(--surface-700);
                            transition: all .2s;

                            &:focus-visible {
                                outline: 0 none;
                                box-shadow: inset var(--focus-ring);
                            }
            
                            &:hover {
                                color: var(--surface-900);
                                border-left-color: var(--surface-500);
                            }

                            &.router-link-active {
                                color: var(--primary-color-default);
                                border-left-color: var(--primary-color-default);
                            }
                        }

                        ol {
                            margin: 0;
                            padding: 0;
                        }

                        &:has(.menu-child-category) {
                            margin-top: 1rem;
                        }

                        &:has(.menu-child-category):first-child {
                            margin-top: 0rem;
                        }
                    }
                }
            }
        }

        .menu-child-category {
            display: flex;
            padding: .5rem .5rem .5rem 0;
            font-size: .875rem;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--surface-900);
            margin-bottom: .25rem;
        }
    }
}