#top_menu {
  position: fixed;
  top: 0;
  margin-left: $collapsed-main-menu-width;
  padding-right: $collapsed-main-menu-width;
  z-index: 20;
  width: 100%;
  @extend .disable-user-select;

  @media screen and (min-width: $large-screen-break-point) {
    body:not(.collapsed-menu) & {
      margin-left: $main-menu-width;
      padding-right: $main-menu-width;
    }
  }
}

#left_menu {
  z-index: 30;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  width: $collapsed-main-menu-width;
  background-color: $main-menu-bg-color;
  @extend .disable-user-select;

  @media screen and (min-width: $large-screen-break-point) {
    body:not(.collapsed-menu) & {
      width: $main-menu-width;
    }
  }
}

#main_navi {
  max-height: 100vh;
  padding-top: 28px;
  padding-bottom: 80px;

  @media screen and (max-width: $medium-screen-break-point) {
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

.main_navi_entry {
  position: relative;
  display: block;
  line-height: 46px;
  margin-bottom: 3 * $default-padding;
  background-color: transparent;
  transition: background-color $transition-duration $transition-easing;

  &:hover {
    background-color: $main-menu-active-bg-color;

    .sub_navigation {
      visibility: visible;
      opacity: 1;
      background-color: $main-menu-active-bg-color;
    }
  }

  &.active,
  &:hover {
    background-color: $main-menu-active-bg-color;
    cursor: default;

    a,
    .icon {
      color: $main-menu-active-text-color;
      text-decoration: none;
      text-shadow: none;

      &:focus {
        @include default-focus-style(
          $box-shadow: inset 0 0 0 2px $main-menu-active-text-color,
          $border-radius: 0
        );
      }
    }
  }

  label {
    position: absolute;
    top: 0;
    left: $collapsed-main-menu-width - 1;
    width: auto;
    padding-left: 4 * $default-padding;
    padding-right: 4 * $default-padding;
    visibility: hidden;
    opacity: 0;
    background-color: $main-menu-active-bg-color;
    transition: opacity $transition-duration $transition-easing;
    vertical-align: middle;
    cursor: pointer;
    @include truncate($collapsed-main-menu-entry-max-width, $wrap: nowrap);

    @media screen and (min-width: $large-screen-break-point) {
      body:not(.collapsed-menu) & {
        position: static;
        visibility: visible;
        max-width: $main-menu-entry-max-width;
        opacity: 1;
        padding-left: 2 * $default-padding;
        background-color: transparent;
      }
    }
  }

  &.has_sub_navigation label {
    display: none;

    @media screen and (min-width: $large-screen-break-point) {
      body:not(.collapsed-menu) & {
        display: inline-block;
      }
    }
  }

  &:hover label {
    visibility: visible;
    opacity: 1;
  }

  img,
  svg,
  .icon {
    display: inline-flex;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
  }

  img {
    border-style: none;
    height: 24px;
    vertical-align: -0.6em;
  }

  .icon {
    vertical-align: -0.15em;
    font-size: 20px;
    font-weight: 400;
    color: inherit;
  }

  a {
    display: flex;
    align-items: center;
    height: 46px;
    padding-left: 3 * $default-padding;
    font-weight: bold;
    color: $main-menu-text-color;
    transition: color $transition-duration $transition-easing;
    @include antialiased-font-smoothing;

    &:focus {
      @include default-focus-style(
        $box-shadow: inset 0 0 0 2px $focus-color,
        $border-radius: 0
      );
    }
  }
}

.sub_navigation {
  position: absolute;
  width: auto;
  left: $collapsed-main-menu-width;
  top: 0;
  visibility: hidden;
  opacity: 0;
  transition: opacity $transition-duration $transition-easing;
}

.subnavi_tab {
  &:first-of-type {
    border-left: 1px solid $main-menu-active-bg-color;
    margin-left: -1px;
  }

  a {
    padding-left: 4 * $default-padding;
    padding-right: 4 * $default-padding;
    background-color: transparent;
    transition: background-color $transition-duration $transition-easing;
    @include truncate($main-menu-width, $display: block, $wrap: nowrap);
  }

  &.active a,
  a:hover {
    background-color: darken($dark-orange, 5%);
  }
}

@media screen and (min-width: $large-screen-break-point) {
  body:not(.collapsed-menu) {
    .sub_navigation {
      left: $main-menu-width;
    }

    .main_navi_entry.active {
      .sub_navigation {
        position: static;
        visibility: visible;
        opacity: 1;
        width: auto;
      }

      .subnavi_tab {
        line-height: 24px;

        a {
          padding: 8px 4px 8px 44px;
        }
      }
    }
  }
}

#locked_pages {
  display: flex;
  flex-grow: 1;
  flex-wrap: nowrap;
  height: $header-height;

  label {
    float: left;
    font-size: $small-font-size;
    line-height: 27px;
    height: 27px;
    margin-left: 8px;
    margin-right: 4px;
  }

  img {
    float: left;
  }

  .subnavi_tab > a {
    padding-right: 0;
  }
}

.locked_page {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  color: #444;
  border-right: $default-border;
  border-bottom: $default-border;

  form {
    align-self: center;
    justify-self: flex-end;
    margin-right: $default-padding;
    line-height: 1;
  }

  &:hover {
    color: $text-color;
    text-decoration: none;
  }

  > a {
    display: flex;
    align-items: end;
    cursor: pointer;
    padding: $default-padding 2 * $default-padding;

    &:focus {
      @include default-focus-style($box-shadow: inset 0 0 0 2px $focus-color);
    }
  }

  .icon.close {
    vertical-align: text-bottom;
    text-shadow: $text-shadow-light;
  }

  .page_name {
    margin-right: $default-margin;
    text-shadow: $text-shadow-light;
  }

  .page_language,
  .page_site {
    display: inline-block;
    color: $muted-text-color;
    font-size: $small-font-size;
    margin-right: $default-margin;
  }

  .page_language {
    text-transform: uppercase;
  }
}