das/public/css/sidebar.scss

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 275px;
  background: var(--bg-menu);
  z-index: 100;
  border-radius: 0 35px;
  transition: all 0.3s ease;
  margin-top: 6rem;
  overflow: hidden;
}

.sidebar .bg-sidebar {
  height: 100vh;
  width: unset !important;
  position: absolute;
  z-index: -1;
  opacity: 0.15;
}

.sidebar.close {
  width: 55px;
  border-radius: 0 20px;
}

.sidebar.close:hover {
  width: 260px;
  border-radius: 0 35px;
}

.sidebar.close:hover .nav-links,
.sidebar .nav-links {
  height: 100%;
  padding: 10px 0 150px 4px;
  overflow: auto;
}

.sidebar .nav-links .nav-menu,
.sidebar.close .nav-links .nav-menu {
  margin-bottom: 7px;
}

.sidebar.close:hover .nav-links .nav-menu.active i,
.sidebar.close .nav-links .nav-menu.active {
  background: transparent;
}

.sidebar.close .nav-links {
  overflow: visible;
}

.sidebar .nav-links::-webkit-scrollbar {
  display: none;
}

.sidebar .nav-links li {
  position: relative;
  list-style: none;
  transition: all 0.2s ease;
}

.hideBar {
  position: absolute;
  top: 0;
  left: 260px;
  width: 100%;
  height: 100%;
  z-index: 9999999;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  display: none;
}

.sidebar .nav-links li .arrow-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar.close .nav-links li .arrow-link {
  display: block;
}

.sidebar .nav-links .nav-icon {
  height: 40px;
  width: 40px;
  text-align: center;
  line-height: 55px;
  color: #fff;
  font-size: 18px;
  margin-left: 3px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.sidebar .nav-links .nav-icon svg {
  width: 20px;
  height: 20px;
  margin-bottom: 2px;
}

.sidebar.close .nav-links .nav-menu.active i {
  height: 46px;
  width: 46px;
  text-align: center;
  background: var(--bg-sub-menu);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  margin-left: 7px;
  border-radius: 14px;
  transition: all 0.2s ease;
}

.sidebar.close:hover .nav-links .nav-menu.active,
.sidebar .nav-links .nav-menu.active {
  width: 95%;
  border-radius: 0 30px 30px 0;
  background: var(--bg-sub-menu);
  transition: all 0.2s ease;
}

.sidebar .nav-links .nav-menu i.arrow {
  color: #fff;
  margin-left: 22px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.sidebar.close:hover .nav-links .arrow-link.active i.arrow,
.sidebar .nav-links .arrow-link.active i.arrow {
  transform: rotate(-180deg);
  transition: all 0.2s ease;
}

.arrow {
  margin-left: 30px;
  fill: #ffffffa3;
  color: #ffffffa3;
  transform: rotate(270deg);
  transition: all 0.2s ease;
}

.sidebar.close .nav-links .arrow {
  display: none;
}

.sidebar.close:hover .nav-links .arrow {

  display: block;
  opacity: 0;
  visibility: hidden;
  animation: arrowDelay 0.3s 0.4s forwards;
}

@keyframes arrowDelay {
  to {
    opacity: 1;
    visibility: visible;
  }
}

.sidebar.close:hover .nav-links li a,
.sidebar .nav-links li a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.sidebar.close:hover .nav-links li a .nav-name,
.sidebar .nav-links li a .nav-name {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar.close:hover .nav-links li a .link_name,
.sidebar .nav-links li a .link_name {
  width: 160px;
  font-size: 13px;
  font-weight: 500;
  line-height: 30px;
  color: #fff;
  overflow: hidden;
  margin-top: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: all 0.2s ease;
}

.sidebar.close .nav-links li a .link_name {
  display: none;
}

.sidebar.close:hover .nav-links li .list-link-head,
.sidebar .nav-links li .list-link-head {
  display: flex;
  align-items: center;
  text-decoration: none;
  cursor: pointer;
}

.sidebar.close:hover .nav-links li .list-link-head .nav-name,
.sidebar .nav-links li .list-link-head .nav-name {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar.close:hover .nav-links li .list-link-head .link_name,
.sidebar .nav-links li .list-link-head .link_name {
  width: 160px;
  font-size: 13px;
  font-weight: 500;
  line-height: 30px;
  color: #fff;
  overflow: hidden;
  margin-top: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: all 0.2s ease;
}

.sidebar.close .nav-links li .list-link-head .link_name {
  display: none;
}

.sidebar.close:hover .nav-links .nav-menu .submenu,
.sidebar .nav-links .nav-menu .submenu {
  display: block;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.2s ease-out;
}

.sidebar .nav-links .nav-menu .submenu li {
  position: relative;
  padding-left: 45px;
  transition: all 0.2s ease;
  padding-top: 5px;
  padding-bottom: 5px;
}

.sidebar.close .nav-links .nav-menu .submenu {
  display: none;
}

.sidebar .nav-links .nav-menu .submenu .submenu-link a {
  position: relative;
  color: #fff;
  font-size: 12px;
  padding: 5px 0;
  text-transform: capitalize;
  opacity: 1;
  transition: all 0.2s ease;
  width: 85%;
}

.arrow-link.active .arrow {
  transform: rotate(1deg);
  margin-left: 30px;
}

.sidebar .nav-links .nav-menu .submenu .submenu-link.active {
  width: 93%;
  border-radius: 0 30px 30px 0;
  padding-right: 6px;
  background: var(--bg-sub-menu);
  transition: all 0.2s ease;
}

.sidebar .nav-links .nav-menu .submenu .submenu-link.active a {
  margin-left: 8px;
  transition: all 0.2s ease;
}

.sidebar .nav-links .nav-menu .submenu .submenu-link a::before {
  content: "";
  position: absolute;
  top: 12px;
  left: -14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bg-sub-menu);
  transition: all 0.2s ease;
}


.sidebar .nav-links .nav-menu .submenu .submenu-link.active a::before {
  background: var(--white);
}

.submenu-level3 {
  padding-left: 20px !important;
  transition: all 0.2s ease;

  ::before {
    content: "";
    position: absolute;
    top: 6px !important;
    left: -14px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--bg-sub-menu);
    transition: all 0.2s ease;
  }

  a {
    color: #fff;
    font-size: 12px;
    opacity: 0.7 !important;
    transition: all 0.2s ease;
    padding: 0 !important;
  }

}

.menu-level3 {
  display: none;
  transition: all 0.2s ease;
}