cerebrate/webroot/css/layout.css

/* layout */
:root {
    --navbar-height: 60px;
    /* --sidebar-width: 230px; */
    --sidebar-width-expanded: 230px;
    --sidebar-width-collapsed: 65px;
}

body {
    background-color: #eee;
}

.main-wrapper {
    min-height: 100%;
    padding-top: var(--navbar-height);
}

.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0;
    margin-bottom: 0;
}

.content {
    position: relative;
    left: 0;
    margin-left: var(--sidebar-width-collapsed);
    min-height: 100%;
    background: red;
}

.sidebar {
    height: 100%;
    margin-top: var(--navbar-height);
    position: fixed;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width-collapsed);
    left: 0;
    transition: width .05s linear;
    transform:translateZ(0) scale(1,1);
    z-index:2000;
}

.sidebar.expanded, .sidebar:hover {
    width: var(--sidebar-width-expanded);
}

.left-navbar {
}

.center-navbar {
    display: flex;
    flex: 1 1 auto;
    line-height: var(--navbar-height);
    padding: 0 20px;
}

.right-navbar {
    display: flex;
    flex: 0 0 auto;
    padding-right: 20px;
}

/* sidebar */
.sidebar-wrapper {
    width: 100%;
    height: 100%;
}

.sidebar-scroll {
    position: relative;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.sidebar-content {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    padding-top: 10px;
}

ul.sidebar-elements {
    margin: 0;
    padding: 0;
}

/* sidebar entry */
ul.sidebar-elements > li {
    list-style: none;
}

li.parent {

}

.sidebar.expanded ul.sidebar-elements li > a.sidebar-link,
.sidebar:hover ul.sidebar-elements li > a.sidebar-link {
    text-overflow: ellipsis;
}

ul.sidebar-elements li > a.sidebar-link {
    display: block;
    padding: 0 20px;
    line-height: 35px;
    overflow: hidden;
    white-space: nowrap;
    text-decoration: none;
    color: unset;
}

ul.sidebar-elements > li > a.sidebar-link:hover {
    background-color: #f0f0f0;
}

ul.sidebar-elements > li > a.sidebar-link > * {
    text-align: center;
    vertical-align: middle;
}

ul.sidebar-elements > li > a.sidebar-link > i.sidebar-icon {
    margin-right: 10px;
    font-size: 19px;
    min-width: 25px;
    line-height: 19px;
}

.sidebar.expanded ul.sidebar-elements > li > a.sidebar-link > span.text,
.sidebar:hover ul.sidebar-elements > li > a.sidebar-link > span.text {
    visibility: visible;
}

ul.sidebar-elements > li > a.sidebar-link > span.text {
    visibility: hidden;
    line-height: 40px;
    white-space: nowrap;
}

/* sidebar sub-menu */
ul.sidebar-elements li.parent > a.sidebar-link::before {
    visibility: hidden;
    content: "\f0d7";
    float: right;
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 1rem;
    color: #bbb;
}

ul.sidebar-elements li.parent > a.sidebar-link:not(.collapsed)::before {
    content: "\f0d8";
}

.sidebar.expanded ul.sidebar-elements li.parent > a.sidebar-link::before,
.sidebar:hover ul.sidebar-elements li.parent > a.sidebar-link::before {
    visibility: visible;
}

.sidebar.expanded ul.sidebar-elements li ul.show,
.sidebar.expanded ul.sidebar-elements li ul.collapsing,
.sidebar.expanded ul.sidebar-elements li ul.in,
.sidebar:hover ul.sidebar-elements li ul.show,
.sidebar:hover ul.sidebar-elements li ul.collapsing,
.sidebar:hover ul.sidebar-elements li ul.in {
    display: block;
}

ul.sidebar-elements > li ul {
    display: none;
    padding: 10px 0;
    list-style: none;
    line-height: 20px;
}

ul.sidebar-elements > li ul li > a.sidebar-link {
    font-size: 0.9rem;
    padding-left: 35px;
    padding-right: 17px;
}

ul.sidebar-elements > li ul li > a.sidebar-link:hover {
    background-color: #e0e0e0;
}

ul.sidebar-elements > li ul li > ul > li > a.sidebar-link {
    font-size: 0.85rem;
    padding-left: 50px;
    padding-right: 14px;
}

ul.sidebar-elements > li ul li > ul > li > ul > li > a.sidebar-link {
    font-size: 0.8rem;
    padding-left: 65px;
    padding-right: 11px;
}

ul.sidebar-elements > li ul li > ul > li > ul > li > ul > li > a.sidebar-link {
    font-size: 0.78rem;
    padding-left: 80px;
    padding-right: 8px;
}

/* sidebar category */
.sidebar.expanded ul.sidebar-elements > li.category,
.sidebar:hover ul.sidebar-elements > li.category {
    visibility: visible;
}

/* SHOW small separator when sidebar is collapsed! */
/* Add support of active class! */

ul.sidebar-elements > li.category {
    visibility: hidden;
    white-space: nowrap;
    display: flex;
    padding: 15px 20px 0;
    line-height: 30px;
    
}

ul.sidebar-elements > li.category > span.category-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    margin-right: 15px;
}

ul.sidebar-elements > li.category > span.category-divider {
    flex: 1 0 0%;
    display: flex;
    align-items: center;
}

ul.sidebar-elements > li.category > span.category-divider > hr {
    margin: 0;
    height: 1px;
    flex: 1 0 auto;
}