menu.less

/*! Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */

@icon-width: 1.2em; // 1em width + 0.2em right margin

#menu {
  height: 100%;
  overflow: auto;
}

#menu a {
  overflow: hidden;
  padding: @vertical-padding / 2 @horizontal-padding;
  text-overflow: ellipsis;
  white-space: nowrap;

  &:focus {
    color: @icinga-blue;
    outline-offset: -@vertical-padding / 2;
  }

  &:hover {
    color: @icinga-blue;
    text-decoration: none;
  }
}

#menu .active > a {
  color: @icinga-blue;
}

#menu .nav-level-1 > .nav-item {
  line-height: 2.167em; // 26 px

  &.active {
    > a > .badge {
      display: none;
    }

    .nav-level-2 > li {
      // Expand menu if active
      display: block;
    }

    background-color: @body-bg-color;
    border-left: 5px solid @icinga-blue;
  }

  &.no-icon > a {
    margin-left: @icon-width;
  }

  > a:active ~ .nav-level-2 > li {
    display: block;
  }
}

#menu .nav-level-2 > .nav-item {
  // Collapse menu by default
  display: none;
  line-height: 1.833em; // 22px
  margin-left: @icon-width;

  > a {
    font-size: @font-size-small;
  }
}

.no-js #menu .nav-level-2 > .nav-item {
  // Expand menu if JavaScript is disabled
  display: block;
}

#menu img.icon {
  line-height: 1;
  margin: 0 0.2em;
  width: 1em;
}

#menu .user-nav-item {
  background-color: @gray;
  color: @text-color-inverted;

  > a:focus,
  > a:hover {
    background-color: @text-color-inverted;
    color: @gray;
  }
}

#menu input.search {
  background: transparent url('../img/icons/search.png') no-repeat @horizontal-padding + 0.2em center;
  background-size: 1em auto;
  border: none;
  line-height: 2.167em;
  padding-left: @icon-width + @horizontal-padding;
  width: 100%;

  &.active {
    background-color: @body-bg-color;
    border-left: 5px solid @icinga-blue;
  }
}

// Badge offset correction

#menu > nav > .nav-level-1 > .badge-nav-item > a > .badge {
  margin-top: 0.5em;
}

#menu .nav-level-2 > .badge-nav-item > a > .badge {
  margin-top: 0.5em;
}

// Hovered menu

#menu .nav-level-1 > .nav-item.hover {
  position: relative;

  &:before {
    border: 0.5em solid rgba(0, 0, 0, 0);
    border-right-color: @text-color;
    content: "";
    position: absolute;
    right: 0;
    top: 30%;
  }

  > .nav-level-2 {
    background-color: @text-color;
    color: @text-color-inverted;
    left: 100%;
    padding: @vertical-padding 0;
    position: absolute;
    top: 0;

    > .nav-item {
      display: block;

      > a:hover {
        color: @text-color-inverted;
        text-decoration: underline;
      }
    }
  }

  > a > .badge {
    display: none;
  }
}

#layout.hoveredmenu {
  #main {
   z-index: 2;
  }

  #sidebar {
   z-index: 3;
  }

  #menu {
    overflow: visible;
  }
}

// Accessibility skip links

.skip-links {
  position: relative;
  ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    li {
      display: block;
      a, button[type="submit"] {
        background-color: @body-bg-color;
        left: -999px;
        padding: @vertical-padding @horizontal-padding;
        position: absolute;
        width: 100%;
        &:focus {
          left: 0;
          outline: 1px dotted black;
        }
      }
      button[type="submit"] {
        text-align: left;
      }
    }
  }
}