:root {
  --background: #9c88ff;
  --navbar-width: 256px;
  --navbar-width-min: 58px;
  --navbar-dark-primary: #060606;
  --navbar-dark-secondary: #2c3e50;
  --navbar-light-primary: #f5f6fa;
  --navbar-light-secondary: #8392a5;
}

#menu-hkh {
  position: fixed;
  top: 4px;
  left: 0;
  height: 100%;
  transition: transform 0.3s ease;
}

#menu-hkh {

  #nav-toggle:checked~#nav-header {
    width: calc(var(--navbar-width-min) - 16px);
  }

  #nav-toggle:checked~#nav-content,
  #nav-toggle:checked~#nav-footer {
    width: var(--navbar-width-min);
  }

  #nav-toggle:checked~#nav-header #nav-title {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.1s;
  }

  #nav-toggle:checked~#nav-header label[for=nav-toggle] {
    left: calc(50% - 8px);
    transform: translate(-50%);
  }

  #nav-toggle:checked~#nav-header #nav-toggle-burger {
    background: var(--navbar-light-primary);
  }

  #nav-toggle:checked~#nav-header #nav-toggle-burger:before,
  #nav-toggle:checked~#nav-header #nav-toggle-burger::after {
    width: 16px;
    background: var(--navbar-light-secondary);
    transform: translate(0, 0) rotate(0deg);
  }

  #nav-toggle:checked~#nav-content .nav-button span {
    opacity: 0;
    transition: opacity 0.1s;
  }

  #nav-toggle:checked~#nav-content .nav-button .fas {
    min-width: calc(100% - 16px);
  }

  #nav-toggle:checked~#nav-footer #nav-footer-avatar {
    margin-left: 0;
    left: 50%;
    transform: translate(-50%);
  }

  #nav-toggle:checked~#nav-footer #nav-footer-titlebox,
  #nav-toggle:checked~#nav-footer label[for=nav-footer-toggle] {
    opacity: 0;
    transition: opacity 0.1s;
    pointer-events: none;
  }

  #nav-bar {
    position: absolute;

    height: calc(100%);
    background: var(--navbar-dark-primary);
    /* border-radius: 16px; */
    display: flex;
    flex-direction: column;
    color: var(--navbar-light-primary);
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    overflow: hidden;
    user-select: none;
  }

  #nav-bar hr {
    margin: 0;
    position: relative;
    left: -5px;
    width: calc(100% - 32px);
    border: none;
    border-top: solid 1px var(--navbar-dark-secondary);
  }

  #nav-bar a {
    color: inherit;
    text-decoration: inherit;
  }

  #nav-bar input[type=checkbox] {
    display: none;
  }

  #nav-header {
    position: relative;
    width: var(--navbar-width);
    left: 16px;
    width: calc(var(--navbar-width) - 16px);
    min-height: 80px;
    background: var(--navbar-dark-primary);
    border-radius: 16px;
    z-index: 2;
    display: flex;
    align-items: center;
    transition: width 0.2s;
  }

  #nav-header hr {
    position: absolute;
    bottom: 0;
  }

  #nav-title {
    font-size: 1.5rem;
    transition: opacity 1s;
  }

  label[for=nav-toggle] {
    position: absolute;
    right: 0;
    width: 3rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  #nav-toggle-burger {
    position: relative;
    width: 16px;
    height: 2px;
    background: var(--navbar-dark-primary);
    border-radius: 99px;
    transition: background 0.2s;
  }

  #nav-toggle-burger:before,
  #nav-toggle-burger:after {
    content: "";
    position: absolute;
    top: -6px;
    width: 10px;
    height: 2px;
    background: var(--navbar-light-primary);
    border-radius: 99px;
    transform: translate(2px, 8px) rotate(30deg);
    transition: 0.2s;
  }

  #nav-toggle-burger:after {
    top: 6px;
    transform: translate(2px, -8px) rotate(-30deg);
  }

  #nav-content {
    margin: -16px 0;
    padding: 16px 0;
    position: relative;
    flex: 1;
    width: var(--navbar-width);
    background: var(--navbar-dark-primary);
    box-shadow: 0 0 0 16px var(--navbar-dark-primary);
    direction: rtl;
    overflow-x: hidden;
    transition: width 0.2s;
  }

  #nav-content::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  #nav-content::-webkit-scrollbar-thumb {
    border-radius: 99px;
    background-color: #D62929;
  }

  #nav-content-highlight {
    position: absolute;
    left: 16px;
    top: -70px;
    width: calc(100% - 16px);
    height: 54px;
    background: var(--background);
    background-attachment: fixed;
    border-radius: 16px 0 0 16px;
    transition: top 0.2s;
  }

  #nav-content-highlight:before,
  #nav-content-highlight:after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 100%;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    box-shadow: 16px 16px var(--background);
  }

  #nav-content-highlight:after {
    top: 100%;
    box-shadow: 16px -16px var(--background);
  }

  .nav-button {
    position: relative;
    margin-left: 10px;
    height: 54px;
    display: flex;
    align-items: center;
    color: var(--navbar-light-secondary);
    direction: ltr;
    cursor: pointer;
    z-index: 1;
    transition: color 0.2s;
  }

  .nav-button span {
    transition: opacity 1s;
  }

  .nav-button .fas {
    transition: min-width 0.2s;
  }

  .nav-button:nth-of-type(1):hover {
    color: var(--navbar-dark-primary) !important;
  }

  .nav-button:nth-of-type(1):hover~#nav-content-highlight {
    top: 16px;
  }

  .nav-button:nth-of-type(2):hover {
    color: var(--navbar-dark-primary) !important;
  }

  .nav-button:nth-of-type(2):hover~#nav-content-highlight {
    top: 70px;
  }

  .nav-button:nth-of-type(3):hover {
    color: var(--navbar-dark-primary) !important;
  }

  .nav-button:nth-of-type(3):hover~#nav-content-highlight {
    top: 124px;
  }

  .nav-button:nth-of-type(4):hover {
    color: var(--navbar-dark-primary) !important;
  }

  .nav-button:nth-of-type(4):hover~#nav-content-highlight {
    top: 178px;
  }

  .nav-button:nth-of-type(5):hover {
    color: var(--navbar-dark-primary) !important;
  }

  .nav-button:nth-of-type(5):hover~#nav-content-highlight {
    top: 232px;
  }

  .nav-button:nth-of-type(6):hover {
    color: var(--navbar-dark-primary) !important;
  }

  .nav-button:nth-of-type(6):hover~#nav-content-highlight {
    top: 286px;
  }

  .nav-button:nth-of-type(7):hover {
    color: var(--navbar-dark-primary) !important;
  }

  .nav-button:nth-of-type(7):hover~#nav-content-highlight {
    top: 340px;
  }

  .nav-button:nth-of-type(8):hover {
    color: var(--navbar-dark-primary) !important;
  }

  .nav-button:nth-of-type(8):hover~#nav-content-highlight {
    top: 394px;
  }

  #nav-bar .fas {
    min-width: 3rem;
    text-align: center;
  }

  #nav-footer {
    position: relative;
    width: var(--navbar-width);
    height: 54px;
    background: var(--navbar-dark-secondary);
    /* border-radius: 16px; */
    display: flex;
    flex-direction: column;
    z-index: 2;
    transition: width 0.2s, height 0.2s;
  }

  #nav-footer-heading {
    position: relative;
    width: 100%;
    height: 54px;
    display: flex;
    align-items: center;
  }

  #nav-footer-avatar {
    position: relative;
    margin: 11px 0 11px 16px;
    left: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    transform: translate(0);
    transition: 0.2s;
  }

  #nav-footer-avatar img {
    height: 100%;
  }

  #nav-footer-titlebox {
    position: relative;
    margin-left: 16px;
    width: 10px;
    display: flex;
    flex-direction: column;
    transition: opacity 1s;
  }

  #nav-footer-subtitle {
    color: var(--navbar-light-secondary);
    font-size: 0.6rem;
  }

  #nav-footer-toggle:checked+#nav-footer {
    height: 30%;
    min-height: 54px;
  }

  #nav-footer-toggle:checked+#nav-footer label[for=nav-footer-toggle] {
    transform: rotate(180deg);
  }

  label[for=nav-footer-toggle] {
    position: absolute;
    right: 0;
    width: 3rem;
    height: 100%;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
  }

  #nav-footer-content {
    margin: 0 16px 16px 16px;
    border-top: solid 1px var(--navbar-light-secondary);
    padding: 16px 0;
    color: var(--navbar-light-secondary);
    font-size: 0.8rem;
    overflow: auto;
  }

  #nav-footer-content::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  #nav-footer-content::-webkit-scrollbar-thumb {
    border-radius: 99px;
    background-color: #D62929;
  }


  #nav-bar a {
    color: inherit;
    text-decoration: inherit;
    direction: ltr;
  }


  .nav-button,
  .sub-nav-button {
    display: flex;
    align-items: center;
    padding: 10px;
    color: var(--navbar-light-primary);
    text-decoration: none;
    transition: color 0.2s, background-color 0.2s;
  }

  .nav-button i,
  .sub-nav-button i {
    margin-right: 8px;
  }

  .nav-button:hover,
  .sub-nav-button:hover {
    color: var(--navbar-dark-primary);
  }

  .sub-menu {
    display: none;
    flex-direction: column;
    background-color: var(--navbar-light-background);
    background: #515151;
    border-radius: 16px;
    margin-top: -5px;
  }

  .sub-menu a {
    padding-left: 5px !important;
  }

  .submenu-icon {
    margin-left: auto;
  }

  .submenu-open .sub-menu {
    display: flex;
  }

  .nav-button:hover+.sub-menu,
  .sub-menu:hover {
    display: flex;
  }

  #nav-content>div.sub-menu>a>span {
    height: 30px;
  }

  #nav-content>div.sub-menu>a:hover {
    color: var(--navbar-dark-primary) !important;
    background-color: var(--background);
    border-radius: 16px;
  }

  #nav-hkh .nav-button:hover+.sub-menu #nav-footer-name {
    display: inline;
  }

}