/** The root StackedMenu */
.#{$stacked-menu-class-prefix} {
  position: relative;
  padding: .25rem 0;
  background-color: $stacked-menu-bg;

  ul.menu {
    display: block;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;

    + .menu {
      margin-top: 1em;
    }
  }

  .menu-header {
    margin: .5em 0 0;
    padding: $stacked-menu-padding;
    color: $stacked-menu-color-disabled;
    font-size: $stacked-menu-header-font-size;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;

    > .badge,
    > .label {
      position: absolute;
      right: $stacked-menu-padder + ($stacked-menu-padder/2);
      z-index: 2;
    }
  }

  .menu-subhead {
    display: none;
    padding: $stacked-menu-padding;
    font-size: $stacked-menu-font-size;
    color: $stacked-menu-child-active-color;
    line-height: 1.75em;
    overflow: hidden;
  }

  .menu-link {
    position: relative;
    display: block;
    padding: $stacked-menu-padding;
    font-size: $stacked-menu-font-size;
    color: $stacked-menu-child-color;
    text-decoration: none;
    line-height: 1.75em;
    overflow: hidden;
    outline: 0;

    > .menu-icon {
      width: 1.25em;
      margin-right: .5em;
      text-align: center;
      font-size: $stacked-menu-icon-size;
      color: $stacked-menu-icon-color;
    }

    > .badge,
    > .label {
      position: absolute;
      right: $stacked-menu-padder + ($stacked-menu-padder/2);
      margin-top: .25em;
      z-index: 2;
    }

    @include hover-focus {
      color: $stacked-menu-child-hover-color;
      background-color: $stacked-menu-child-hover-bg;
      text-decoration: none;
      overflow: visible;

      .menu-icon {
        color: $stacked-menu-icon-hover-color;
      }
    }
  }

  /* global state */
  .menu-item {

    + .menu-item {
      margin-top: 0;
    }

    &.has-open:not(.has-active) {
      > .menu-link {
        background-color: $stacked-menu-child-hover-bg;
        color: $stacked-menu-child-hover-color;
        .menu-icon {
          color: $stacked-menu-icon-hover-color;
        }
      }
    }

    &.has-active {
      > .menu-link {
        background-color: $stacked-menu-child-active-bg;
        color: $stacked-menu-child-active-color;
        .menu-icon {
          color: $stacked-menu-icon-active-color;
        }
      }
    }
  }

  /* nav child */
  .has-child {
    position: relative;
    > .menu {
      height: 0;
      visibility: hidden;
      opacity: 0;
      background-color: $stacked-menu-child-bg;
    }
    &.has-active:hover > .menu,
    &.has-open > .menu {
      overflow: visible;
    }
    &.has-active > .menu {
      height: auto;
      visibility: visible;
      opacity: 1;
    }
  }

  /* nav level 1 */
  > .menu > .menu-item {
    > .menu-link {
      color: $stacked-menu-color;
      @include hover-focus {
        color: $stacked-menu-hover-color;
        background-color: $stacked-menu-hover-bg;
      }
    }
    &.has-open > .menu-link {
      color: $stacked-menu-hover-color;
      background-color: $stacked-menu-hover-bg;
    }

    &.has-active > .menu-link {
      background-color: $stacked-menu-active-bg;
      color: $stacked-menu-active-color;
      @include box-shadow(inset 3px 0 0 $stacked-menu-accent-color);
    }

    /* level 1 */
    > .menu {
      .menu-link {
        padding-left: ($stacked-menu-padder * 6);
      }

      /* level 2 */
      .menu {
        .menu-link {
          padding-left: ($stacked-menu-padder * 8);
        }

        /* level 3 */
        .menu {
          .menu-link {
            padding-left: ($stacked-menu-padder * 10);
          }
        }
      }
    }
  }

  /* disabled state */
  .menu-item.disabled > .menu-link,
  .menu-item > .menu-link.disabled {
    color: $stacked-menu-color-disabled;

    .menu-icon {
      color: $stacked-menu-color-disabled;
    }

    @include hover-focus {
      &,
      .menu-icon {
        background-color: transparent;
        color: $stacked-menu-color-disabled;
      }
    }
  }
}


/* Compact */
.#{$stacked-menu-class-prefix}-has-compact {
  .has-child.has-active > .menu {
    visibility: hidden;
    height: 0;
    opacity: 0;
  }

  .has-child {
    &.has-active {
      .menu-subhead {
        background-color: $stacked-menu-active-bg;
      }
    }
    .menu-subhead {
      display: block;
    }
  }

  > .menu {
    > .menu-item > .menu-link {
      text-align: center;
      padding-right: 0;
      padding-left: 0;
      max-height: 40px;

      > .badge,
      > .label {
        top: 0;
        right: ($stacked-menu-padder/2);
      }

      .menu-icon {
        margin: 0;
        font-size: 1.25em;
        line-height: 1.5em;
      }
    }
    > .menu-item.has-child > .menu-link .menu-text {
      display: none;
    }
    > .menu-header {
      // transform to empty space
      margin: 0;
      height: 0;
      overflow: hidden;
      visibility: hidden;
      opacity: 0;
      user-select: none;
    }
    > .menu-item:not(.has-child) > .menu-link {
      .menu-text {
        position: absolute;
        display: block;
        top: 0;
        left: 100%;
        padding: $stacked-menu-padder ($stacked-menu-padder*1.5) $stacked-menu-padder 0;
        border-radius: 0 $stacked-menu-border-radius $stacked-menu-border-radius 0;
        width: 0;
        height: 0;
        visibility: hidden;
        opacity: 0;
        background-color: $stacked-menu-hover-bg;
        line-height: 1.75em;
        white-space: nowrap;
        @include transition(opacity 150ms linear);
      }

      @include hover {
        .menu-text {
          width: auto;
          height: auto;
          visibility: visible;
          opacity: 1;
        }
      }
    }
    > .menu-item.has-active > .menu-link .menu-text {
      background-color: $stacked-menu-active-bg;
    }
    > .menu-item.disabled > .menu-link,
    > .menu-item > .menu-link.disabled {
      .menu-text {
        background-color: $stacked-menu-bg;
      }
    }
    > .menu-item.has-child {
      > .menu-link {
        &:before {
          content: none;
        }
        .menu-text {
          padding: $stacked-menu-padding;
          text-align: left;
          width: 200px;
        }
      }
    }
  }
}