@import '../../../style/mixins/index';
@import './mixin';
@import (reference) '../../typography/style/index';

@menu-prefix-cls: ~'@{vts-prefix}-menu';

:root {
  --vts-menu-collapsed-width--: @menu-collapsed-width;
}

// default theme
.@{menu-prefix-cls} {
  .reset-component();

  margin-bottom: 0;
  padding-left: 0; // Override default ul/ol
  color: @menu-item-color;
  font-size: @menu-item-font-size;
  line-height: 0; // Fix display inline-block gap
  text-align: left;
  list-style: none;
  outline: none;
  transition: width 0.3s cubic-bezier(0.2, 0, 0, 1) 0s;
  user-select: none;
  .clearfix();

  ul,
  ol {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  &-hidden,
  &-submenu-hidden {
    display: none;
  }

  &-item-group-title {
    .sub2();
    font-size: @font-size-xs;
    padding-left: (@menu-horizontal-item-padding / 2);
    padding-right: (@menu-horizontal-item-padding / 2);
    padding-top: (@menu-horizontal-item-padding / 4);
    padding-bottom: (@menu-horizontal-item-padding / 4);
    position: relative;
  }

  &-submenu,
  &-submenu-inline {
    transition: border-color 0.3s @ease-in-out,
      padding 0.15s @ease-in-out;
  }

  &-submenu &-sub {
    cursor: initial;
    transition: padding 0.3s @ease-in-out;
  }

  &-item,
  &-submenu-title {
    .body1();

    a, span {
      color: inherit;
    }

    position: relative;
    display: block;
    margin: 0;
    white-space: nowrap;
    cursor: pointer;
    transition: border-color 0.3s, padding 0.15s @ease-in-out;

    .@{menu-prefix-cls}-item-icon,
    .@{iconfont-css-prefix} {
      margin-right: @menu-icon-margin-right;
      font-size: @menu-icon-size;
      
      transition: font-size 0.15s @ease-out, margin 0.3s @ease-in-out;
      + span {
        opacity: 1;
        transition: opacity 0.3s @ease-in-out, width 0.3s @ease-in-out;
      }
    }

    &.@{menu-prefix-cls}-item-only-child {
      > .@{iconfont-css-prefix},
      > .@{menu-prefix-cls}-item-icon {
        margin-right: 0;
      }
    }
  }

  &-item,
  &-submenu {
    transition: all 0.3s ease-out;

    &-disabled {
      cursor: not-allowed !important;
      a {
        pointer-events: none !important;
      }
    }
  }

  &-submenu {
    &-disabled > .@{menu-prefix-cls}-submenu-title {
      cursor: not-allowed !important;
    }

    &-placement-rightTop::before {
      top: 0;
      left: -7px;
    }

    &-expand-icon,
    &-arrow {
      position: absolute;
      top: 50%;
      right: @menu-arrow-right;
      width: @menu-arrow-size;
      height: @menu-arrow-size;
      display: flex;
      align-items: center;
      justify-content: center;
      transform: translateY(-50%);
      transition: transform 0.3s @ease-in-out;
    }

    &-arrow {
      &::before,
      &::after {
        position: absolute;
        width: 6px;
        height: 1.5px;
        background-color: currentColor;
        border-radius: 2px;
        transition: transform 0.3s @ease-in-out, top 0.3s @ease-in-out;
        content: '';
      }
      &::before {
        transform: rotate(45deg) translateY(-2.5px);
      }
      &::after {
        transform: rotate(-45deg) translateY(2.5px);
      }
    }

    &-inline &-arrow {
      &::before {
        transform: rotate(-45deg) translateX(2.5px);
      }
      &::after {
        transform: rotate(45deg) translateX(-2.5px);
      }
    }
        
    &-inline-vertical &-arrow {
      transform: translateY(calc(-50% + 2.5px));
    }

    &-open&-vertical > &-title > &-arrow {
      transform: translateY(-50%);
    }

    &-open&-inline > &-title > &-arrow {
      &::after {
        transform: rotate(-45deg) translateX(-2.5px);
      }
      &::before {
        transform: rotate(45deg) translateX(2.5px);
      }
    }
  }

  &-horizontal {
    border: 0;
    background: @menu-horizontal-bg;
    display: flex;
    min-height: @menu-horizontal-min-height;
    padding: @menu-horizontal-padding;

    > .@{menu-prefix-cls}-item {
      padding: 0 @menu-horizontal-item-padding;
    }

    > .@{menu-prefix-cls}-submenu {
      padding: 0;

      > .@{menu-prefix-cls}-submenu-title {
        padding: 0 (@menu-arrow-size + @menu-arrow-right + @menu-arrow-right) 0 @menu-horizontal-item-padding;
      }
    } 

    > .@{menu-prefix-cls}-item,
    > .@{menu-prefix-cls}-submenu {
      position: relative;
      margin-bottom: 0;
      display: flex;
      align-items: center;
      margin: 0 @menu-horizontal-item-margin;
      z-index: 1;

      .@{menu-prefix-cls}-item-icon,
      .@{iconfont-css-prefix},
      .@{menu-prefix-cls}-submenu-arrow {
        color: @menu-item-idle-icon-color;
      }

      &::after {
        content: '';
        position: absolute;
        bottom: 0;
        height: @menu-horizontal-item-highlight-border-height;
        background: @menu-horizontal-item-highlight-border-color;
        left: 0;
        right: 0;
        cursor: pointer;
        display: none;
      }

      &:first-child {
        margin-left: 0;
      }

      &:last-child {
        margin-right: 0;
      }

      &:active,
      &:hover,
      &-active,
      &-open,
      &-selected,
      &-disabled {
        .@{menu-prefix-cls}-item-icon,
        .@{menu-prefix-cls}-submenu-arrow,
        .@{iconfont-css-prefix} {
          color: inherit;
        }
      }

      &:active {
        &, &:hover {
          background: @menu-horizontal-item-active-background;
          color: @menu-horizontal-item-active-color;
          
          &::after {
            background: @menu-horizontal-item-active-background;
          }
        }
      }

      &:hover,
      &-active,
      &-open {
        background: @menu-horizontal-item-hover-background;
        color: @menu-horizontal-item-hover-color;
      }

      &-selected,
      &-open,
      &-active {
        &::after {
          display: block;
        }
      }

      &-disabled {
        color: @@menu-popup-item-disabled-color !important;
        background: inherit !important;

        &.@{menu-prefix-cls}-item,
        &.@{menu-prefix-cls}-submenu {
          &::after {
            background: @@menu-popup-item-disabled-background !important;
          }
        }
      }
    }

    > .@{menu-prefix-cls}-submenu {
      > .@{menu-prefix-cls}-submenu-title {
        display: inline-flex;
        align-items: center;
        height: 100%;
      }

      & .@{menu-prefix-cls}-submenu-arrow {
        transform: translateY(-50%) rotate(90deg);
      }
    }
  }

  &-vertical,
  &-inline {
    &.@{menu-prefix-cls}-root {
      padding: @menu-vertical-padding;
      width: 100%;
      background: @menu-vertical-background;
    }

    .@{menu-prefix-cls}-submenu > .@{menu-prefix-cls}-sub {
      margin-left: @menu-vertical-indent-margin + extract(@menu-vertical-item-padding, 2);
      position: relative;

      &::after {
        content: '';
        position: absolute;
        left: -@menu-vertical-indent-margin;
        top: 0;
        height: 100%;
        width: @menu-vertical-sub-line-width;
        background-color: @menu-vertical-sub-line-color;
      }
    }

    .@{menu-prefix-cls}-item {
      .sub2();
      .truncate();
      width: 100%;
      height: (@menu-vertical-item-height - @menu-vertical-item-margin * 2);
      margin-top: @menu-vertical-item-margin;
      margin-bottom: @menu-vertical-item-margin;
      padding: extract(@menu-vertical-item-padding, 1) extract(@menu-vertical-item-padding, 2);
      padding-right: (@menu-arrow-right * 2 + @menu-icon-size);
      display: inline-block;  
      line-height: (@menu-vertical-item-height - @menu-vertical-item-margin * 2);
      color: @menu-vertical-item-color;
      border-radius: @menu-vertical-item-border-radius;

      &-selected {
        background: @menu-vertical-item-active-background;
        color: @menu-vertical-item-active-color;
      }

      &-disabled {
        background: inherit !important;
        color: @menu-vertical-item-disabled-color !important;

        &.@{menu-prefix-cls}-item-selected {
          background: @menu-vertical-item-disabled-background !important;
        }
      }
    }

    .@{menu-prefix-cls}-submenu {
      > .@{menu-prefix-cls}-submenu-title {
        .sub2();
        .truncate();
        width: 100%;
        height: (@menu-vertical-item-height - @menu-vertical-item-margin * 2);
        margin-top: @menu-vertical-item-margin;
        margin-bottom: @menu-vertical-item-margin;
        padding: extract(@menu-vertical-item-padding, 1) extract(@menu-vertical-item-padding, 2);
        padding-right: (@menu-arrow-right * 2 + @menu-icon-size);
        display: inline-block;  
        line-height: (@menu-vertical-item-height - @menu-vertical-item-margin * 2);
        color: @menu-vertical-item-color;
        border-radius: @menu-vertical-item-border-radius;
      }

      &-disabled > .@{menu-prefix-cls}-submenu-title {
        color: @menu-vertical-item-disabled-color !important;
        background: inherit !important;
      }
    }

    .@{menu-prefix-cls}-item,
    .@{menu-prefix-cls}-submenu > .@{menu-prefix-cls}-submenu-title {
      &:hover:not(.@{menu-prefix-cls}-item-selected) {
        background: @menu-vertical-item-hover-background;
        color: @menu-vertical-item-hover-color;
      }
    }

    .@{menu-prefix-cls}-item-group-title {
      color: @menu-vertical-group-title-color;
    }
  }

  &-inline-collapsed {
    &.@{menu-prefix-cls}-root { 
      width: @menu-collapsed-width;
      padding-left: ((@menu-collapsed-width - (@menu-vertical-item-height - @menu-vertical-item-margin * 2)) / 2);
      padding-right: ((@menu-collapsed-width - (@menu-vertical-item-height - @menu-vertical-item-margin * 2)) / 2);

      > .@{menu-prefix-cls}-item,
      > .@{menu-prefix-cls}-item-group
        > .@{menu-prefix-cls}-item-group-list
        > .@{menu-prefix-cls}-item,
      > .@{menu-prefix-cls}-item-group
        > .@{menu-prefix-cls}-item-group-list
        > .@{menu-prefix-cls}-submenu
        > .@{menu-prefix-cls}-submenu-title,
      > .@{menu-prefix-cls}-submenu > .@{menu-prefix-cls}-submenu-title {
        left: 0;
        padding: 0 ~'calc(50% - @{menu-collapse-icon-size} / 2)';
        text-overflow: clip;
        .@{menu-prefix-cls}-submenu-arrow {
          display: none;
        }

        .@{menu-prefix-cls}-item-icon,
        .@{iconfont-css-prefix} {
          margin: 0;
          font-size: @menu-collapse-icon-size;
          line-height: @menu-item-height;
          + span {
            display: inline-block;
            max-width: 0;
            opacity: 0;
          }
        }
      }

      .@{menu-prefix-cls}-item-icon,
      .@{iconfont-css-prefix} {
        display: inline-block;
      }

      &-tooltip {
        pointer-events: none;

        .@{menu-prefix-cls}-item-icon,
        .@{iconfont-css-prefix} {
          display: none;
        }
        a {
          color: @text-color-dark;
        }
      }

      .@{menu-prefix-cls}-item-group-title {
        padding-right: 4px;
        padding-left: 4px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
      }

      .@{menu-prefix-cls}-item,
      .@{menu-prefix-cls}-submenu > .@{menu-prefix-cls}-submenu-title {
        height: (@menu-vertical-item-height - @menu-vertical-item-margin * 2);
        width: (@menu-vertical-item-height - @menu-vertical-item-margin * 2);
        text-align: center;
      }

      .@{menu-prefix-cls}-submenu {
        &.@{menu-prefix-cls}-submenu-selected > .@{menu-prefix-cls}-submenu-title {
          background: @menu-vertical-item-active-background;
          color: @menu-vertical-item-active-color;
        }

        &-disabled > .@{menu-prefix-cls}-submenu-title {
          background: @menu-vertical-item-disabled-background !important;
        }
      }
    }
  }

  &-item-group-list {
    margin: 0;
    padding: 0;
  }

  &-root&-inline-collapsed {
    .@{menu-prefix-cls}-item,
    .@{menu-prefix-cls}-submenu .@{menu-prefix-cls}-submenu-title {
      > .@{menu-prefix-cls}-inline-collapsed-noicon {
        font-size: @menu-collapse-icon-size;
        text-align: center;
      }
    }
  }
}

// Integration with header element so menu items have the same height
.@{vts-prefix}-layout-header {
  .@{menu-prefix-cls} {
    line-height: inherit;
  }
}

.build-popup-of(horizontal);
.build-popup-of(vertical);