@date-picker-prefix: ~'@{icecream-prefix}-picker';

.@{date-picker-prefix} {
  @picker-arrow-size: 10px;
  @panel-arrow-size: 7px;
  @hover-border-color: @icecream-color-blue-3;
  @text-line-height-md: getIcecreamLineHeightByPx(@icecream-font-size-md);
  @text-line-height-sm: getIcecreamLineHeightByPx(@icecream-font-size-sm);

  display: inline-flex;
  padding: (@icecream-form-input-height-md - @text-line-height-md - @icecream-border-width * 2) / 2 @icecream-gap-sm;
  border: @icecream-border-width solid @icecream-color-grey-7;
  border-radius: @icecream-border-radius;
  transition: border @icecream-transitions;

  &:hover,
  &-focused {
    border-color: @icecream-primary-color;
  }

  &&-disabled {
    background: @icecream-color-grey-3;
    border-color: @icecream-color-grey-7;
    cursor: not-allowed;
  }

  &&-disabled &-suffix {
    color: @icecream-color-grey-7;
  }

  // 日期选择框
  &-input {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;

    > input {
      width: 100%;
      padding: 0;
      .setFontSize(@icecream-font-size-md);
      font-family: inherit;
      color: @icecream-color-grey-10;
      border: 0;
      background: transparent;
      transition: @icecream-transitions;

      &::placeholder {
        color: @icecream-color-grey-7;
      }

      &:placeholder-shown {
        text-overflow: ellipsis;
      }

      &:focus {
        outline: 0;
      }

      &[disabled] {
        color: @icecream-color-grey-7;
        background: transparent;
        cursor: not-allowed;
        opacity: 1;
      }
    }

    &:hover {
      .@{date-picker-prefix}-clear {
        opacity: 1;
      }
    }
  }

  &-large {
    padding: (@icecream-form-input-height-lg - @text-line-height-md - @icecream-border-width * 2) / 2 @icecream-gap-sm;
  }

  &-small {
    padding: (@icecream-form-input-height-sm - @text-line-height-sm - @icecream-border-width * 2) / 2 @icecream-gap-xs;

    .@{date-picker-prefix}-input > input {
      .setFontSize(@icecream-font-size-sm);
    }
  }

  &-suffix {
    // 去掉 line-height 的影响，让内容收缩更居中
    display: flex;
    align-self: center;
    margin-left: 4px;
    font-size: @icecream-font-size-lg;
    color: @icecream-color-grey-7;
    pointer-events: none;
  }

  // 清除按钮
  &-clear {
    position: absolute;
    top: 50%;
    right: 0;
    color: @icecream-color-grey-7;
    line-height: 1;
    background: @icecream-color-grey-1; // 为了挡住suffix
    transform: translateY(-50%);
    cursor: pointer;
    opacity: 0;
    transition: opacity @icecream-transitions, color @icecream-transitions;

    &:hover {
      color: @icecream-color-grey-8;
    }
  }

  // 范围选择
  &-range {
    position: relative;
    display: inline-flex;

    .@{date-picker-prefix}-clear {
      right: @icecream-gap-sm;
    }

    &:hover {
      .@{date-picker-prefix}-clear {
        opacity: 1;
      }
    }

    .@{date-picker-prefix}-active-bar {
      bottom: -1px;
      height: 2px;
      margin-left: @icecream-gap-sm;
      background: @icecream-primary-color;
      opacity: 0;
      transition: all @icecream-transitions ease-out;
      pointer-events: none;
    }

    &.@{date-picker-prefix}-focused {
      .@{date-picker-prefix}-active-bar {
        opacity: 1;
      }
    }

    &-separator {
      align-self: center;
      height: @icecream-gap-md;
      padding: 0 @icecream-gap-xs;
      color: @icecream-color-grey-7;

      .@{date-picker-prefix}-focused & {
        color: @icecream-color-grey-8;
      }
    }

    &.@{date-picker-prefix}-small {
      .@{date-picker-prefix}-clear {
        right: @icecream-gap-xs;
      }

      .@{date-picker-prefix}-active-bar {
        margin-left: @icecream-gap-xs;
      }
    }
  }

  // 下拉框
  &-dropdown {
    position: absolute;
    font-size: @icecream-font-size-md;
    z-index: @icecream-z-index-popup;

    &-hidden {
      display: none;
    }

    &-placement-bottomLeft {
      .@{date-picker-prefix}-range-arrow {
        top: @picker-arrow-size / 2 - @picker-arrow-size / 3;
        display: block;
        transform: rotate(-45deg);
      }
    }

    &-placement-topLeft {
      .@{date-picker-prefix}-range-arrow {
        bottom: @picker-arrow-size / 2 - @picker-arrow-size / 3;
        display: block;
        transform: rotate(135deg);
      }
    }
  }

  &-dropdown-range {
    padding: (@picker-arrow-size * 2 / 3) 0;

    &-hidden {
      display: none;
    }
  }

  &-dropdown &-panel > &-time-panel {
    padding-top: @icecream-gap-xs / 2;
  }

  &-ranges {
    margin: 0;
    padding: @icecream-gap-xs / 2 @icecream-gap-sm;
    overflow: hidden;
    line-height: @icecream-form-input-height-md;
    text-align: left;
    list-style: none;

    > li {
      display: inline-block;
    }

    .@{date-picker-prefix}-ok {
      float: right;
      margin-left: @icecream-gap-xs;
    }
  }

  &-range-wrapper {
    display: flex;
  }

  &-range-arrow {
    position: absolute;
    display: none;
    width: @picker-arrow-size;
    height: @picker-arrow-size;
    margin-left: @icecream-gap-sm * 1.5;
    box-shadow: 2px -2px 6px fade(@icecream-black, 6);
    transition: left @icecream-transitions ease-out;

    &::after {
      position: absolute;
      top: 1px;
      right: 1px;
      box-sizing: border-box;
      width: @picker-arrow-size;
      height: @picker-arrow-size;
      border-width: @picker-arrow-size / 2;
      border-style: solid;
      border-color: @icecream-white @icecream-white transparent transparent;
      content: '';
    }
  }

  &-panel-container {
    background: @icecream-white;
    border-radius: @icecream-border-radius;
    box-shadow: 0 3px 6px -4px fade(@icecream-black, 12), 0 6px 16px 0 fade(@icecream-black, 8),
      0 9px 28px 8px fade(@icecream-black, 5);

    .@{date-picker-prefix}-panels {
      display: inline-flex;
      flex-wrap: nowrap;
    }

    .@{date-picker-prefix}-panel {
      background: transparent;
      border-width: 0 0 @icecream-border-width 0;
      border-style: solid;
      border-color: @icecream-color-grey-5;
      text-align: center;
      border-radius: 0;
    }
  }

  &-datetime-panel {
    display: flex;

    .@{date-picker-prefix}-time-panel {
      border-left: @icecream-border-width solid @icecream-color-grey-5;
    }
  }

  &-decade-panel,
  &-year-panel,
  &-month-panel,
  &-date-panel,
  &-time-panel {
    width: 280px;
  }

  // 表头
  &-header {
    display: flex;
    padding: 0 @icecream-gap-xs;
    color: @icecream-color-grey-10;
    border-bottom: @icecream-border-width solid @icecream-color-grey-5;

    button {
      padding: 0;
      color: @icecream-color-grey-7;
      line-height: @icecream-form-input-height-lg;
      background: transparent;
      border: 0;
      cursor: pointer;
      transition: color @icecream-transitions;
    }

    > button {
      min-width: 1.6em;
      font-size: @icecream-font-size-md;

      &:hover {
        color: @icecream-color-grey-10;
      }
    }

    &-view {
      flex: auto;
      font-weight: @icecream-bold;
      line-height: @icecream-form-input-height-lg;

      button {
        color: inherit;
        font-size: @icecream-font-size-md;
        font-family: inherit;
        font-weight: inherit;

        &:not(:first-child) {
          margin-left: @icecream-gap-xs;
        }

        &:hover {
          color: @icecream-primary-color;
        }
      }
    }
  }

  &-prev-icon,
  &-next-icon,
  &-super-prev-icon,
  &-super-next-icon {
    position: relative;
    display: inline-block;
    width: @panel-arrow-size;
    height: @panel-arrow-size;

    &::before {
      position: absolute;
      top: 0;
      left: 0;
      display: inline-block;
      box-sizing: border-box;
      width: @panel-arrow-size;
      height: @panel-arrow-size;
      border-style: solid;
      border-width: @icecream-border-width 0 0 @icecream-border-width;
      content: '';
    }
  }

  &-super-prev-icon,
  &-super-next-icon {
    &::after {
      position: absolute;
      top: ceil(@panel-arrow-size / 2);
      left: ceil(@panel-arrow-size / 2);
      display: inline-block;
      box-sizing: border-box;
      width: @panel-arrow-size;
      height: @panel-arrow-size;
      border-style: solid;
      border-width: @icecream-border-width 0 0 @icecream-border-width;
      content: '';
    }
  }

  &-prev-icon,
  &-super-prev-icon {
    transform: rotate(-45deg);
  }

  &-next-icon,
  &-super-next-icon {
    transform: rotate(135deg);
  }

  // 表单
  &-content {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;

    th,
    td {
      position: relative;
      min-width: @icecream-gap-lg;
      font-weight: 400;
      vertical-align: middle;
    }

    th {
      height: 30px;
      padding: 0;
      color: @icecream-color-grey-10;
      line-height: 30px;
    }
  }

  &-cell {
    padding: 3px 0;
    color: @icecream-color-grey-7;
    cursor: pointer;

    &::before {
      position: absolute;
      top: 50%;
      right: 0;
      left: 0;
      z-index: 1;
      height: @icecream-gap-lg;
      transform: translateY(-50%);
      content: '';
    }

    &-in-view {
      color: @icecream-color-grey-10;
    }

    &-disabled {
      cursor: not-allowed;
    }

    &-inner {
      position: relative;
      z-index: 2;
      display: inline-block;
      min-width: @icecream-gap-lg;
      height: @icecream-gap-lg;
      line-height: @icecream-gap-lg;
      border-radius: @icecream-border-radius;
      transition: background @icecream-transitions, border @icecream-transitions;
    }

    &:hover:not(&-in-view),
    &:hover:not(&-selected):not(&-range-start):not(&-range-end):not(&-range-hover-start):not(&-range-hover-end) {
      .@{date-picker-prefix}-cell-inner {
        background: @icecream-color-grey-3;
      }
    }

    &-in-view&-today &-inner {
      &:before {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 1;
        border: @icecream-border-width solid @icecream-primary-color;
        border-radius: @icecream-border-radius;
        content: '';
      }
    }

    &-in-view&-in-range {
      &::before {
        background: #e5f6fc;
      }
    }

    // 被选择日期的背景
    &-in-view&-selected &-inner,
    &-in-view&-range-start &-inner,
    &-in-view&-range-end &-inner {
      color: @icecream-white;
      background: @icecream-primary-color;
    }

    &-in-view&-range-start:not(&-range-start-single),
    &-in-view&-range-end:not(&-range-end-single) {
      &:before {
        background: #e5f6fc;
      }
    }

    &-in-view&-range-start::before {
      left: 50%;
    }

    &-in-view&-range-end::before {
      right: 50%;
    }

    // 范围选择的悬浮样式
    &-in-view&-range-hover-start:not(&-in-range):not(&-range-start):not(&-range-end),
    &-in-view&-range-hover-end:not(&-in-range):not(&-range-start):not(&-range-end),
    &-in-view&-range-hover-start&-range-start-single,
    &-in-view&-range-hover-start&-range-start&-range-end&-range-end-near-hover,
    &-in-view&-range-hover-end&-range-start&-range-end&-range-start-near-hover,
    &-in-view&-range-hover-end&-range-end-single,
    &-in-view&-range-hover:not(&-in-range) {
      &::after {
        position: absolute;
        top: 50%;
        z-index: 0;
        box-sizing: border-box;
        height: @icecream-form-input-height-sm;
        border-top: @icecream-border-width dashed @hover-border-color;
        border-bottom: @icecream-border-width dashed @hover-border-color;
        transform: translateY(-50%);
        content: '';
      }
    }

    &-range-hover-start::after,
    &-range-hover-end::after,
    &-range-hover::after {
      right: 0;
      left: 2px;
    }

    &-in-view&-in-range&-range-hover::before,
    &-in-view&-range-start&-range-hover::before,
    &-in-view&-range-end&-range-hover::before,
    &-in-view&-range-start:not(&-range-start-single)&-range-hover-start::before,
    &-in-view&-range-end:not(&-range-end-single)&-range-hover-end::before,
    .@{date-picker-prefix}-panel
      > :not(.@{date-picker-prefix}-date-panel)
      &-in-view&-in-range&-range-hover-start::before,
    .@{date-picker-prefix}-panel
      > :not(.@{date-picker-prefix}-date-panel)
      &-in-view&-in-range&-range-hover-end::before {
      background: #cceefa;
    }

    // 范围选择悬浮时开始节点的边框
    &-in-view&-range-start:not(&-range-start-single):not(&-range-end) &-inner {
      border-radius: @icecream-border-radius 0 0 @icecream-border-radius;
    }

    // 范围选择悬浮时结束节点的边框
    &-in-view&-range-end:not(&-range-end-single):not(&-range-start) &-inner {
      border-radius: 0 @icecream-border-radius @icecream-border-radius 0;
    }

    .@{date-picker-prefix}-date-panel &-in-view&-in-range&-range-hover-start &-inner,
    .@{date-picker-prefix}-date-panel &-in-view&-in-range&-range-hover-end &-inner {
      &::after {
        position: absolute;
        top: 0;
        bottom: 0;
        z-index: -1;
        background: #cceefa;
        content: '';
      }
    }

    .@{date-picker-prefix}-date-panel &-in-view&-in-range&-range-hover-start &-inner::after {
      right: -6px;
      left: 0;
    }

    .@{date-picker-prefix}-date-panel &-in-view&-in-range&-range-hover-end &-inner::after {
      right: 0;
      left: -6px;
    }

    &-range-hover&-range-start::after {
      right: 50%;
    }

    &-range-hover&-range-end::after {
      left: 50%;
    }

    tr > &-in-view&-range-hover:first-child::after,
    tr > &-in-view&-range-hover-end:first-child::after,
    &-in-view&-start&-range-hover-edge-start&-range-hover-edge-start-near-range::after,
    &-in-view&-range-hover-edge-start:not(&-range-hover-edge-start-near-range)::after,
    &-in-view&-range-hover-start::after {
      left: 6px;
      border-left: @icecream-border-width dashed @hover-border-color;
      border-radius: @icecream-border-radius 0 0 @icecream-border-radius;
    }

    tr > &-in-view&-range-hover:last-child::after,
    tr > &-in-view&-range-hover-start:last-child::after,
    &-in-view&-end&-range-hover-edge-end&-range-hover-edge-end-near-range::after,
    &-in-view&-range-hover-edge-end:not(&-range-hover-edge-end-near-range)::after,
    &-in-view&-range-hover-end::after {
      right: 6px;
      border-right: @icecream-border-width dashed @hover-border-color;
      border-radius: 0 @icecream-border-radius @icecream-border-radius 0;
    }

    // 禁用
    &-disabled {
      pointer-events: none;

      .@{date-picker-prefix}-cell-inner {
        color: @icecream-color-grey-7;
        background: transparent;
      }

      &::before {
        background: @icecream-color-grey-3;
      }
    }

    &-disabled&-today &-inner::before {
      border-color: @icecream-color-grey-7;
    }
  }

  &-decade-panel,
  &-year-panel,
  &-month-panel {
    .@{date-picker-prefix}-content {
      height: 264px;
    }

    .@{date-picker-prefix}-cell-inner {
      box-sizing: border-box;
      padding: 0 @icecream-gap-xs;
    }

    .@{date-picker-prefix}-cell {
      &-disabled .@{date-picker-prefix}-cell-inner {
        background: @icecream-color-grey-3;
      }
    }
  }

  &-footer {
    width: 100%;
    line-height: 38px;
    text-align: center;
    border-bottom: @icecream-border-width solid transparent;

    .@{date-picker-prefix}-panel & {
      border-top: @icecream-border-width solid @icecream-color-grey-5;
    }
  }

  &-now {
    color: @icecream-primary-color;
    cursor: pointer;
    text-decoration: none;
    text-align: left;

    &:hover,
    &:focus {
      color: @icecream-color-blue-4;
    }
  }

  &-today-btn {
    color: @icecream-primary-color;

    &:hover,
    &:active {
      color: @icecream-color-blue-4;
    }

    &&-disabled {
      color: @icecream-color-grey-7;
      cursor: not-allowed;
    }
  }

  &-decade-panel {
    .@{date-picker-prefix}-cell-inner {
      padding: 0 4px;
    }

    .@{date-picker-prefix}-cell::before {
      display: none;
    }
  }

  &-year-panel,
  &-month-panel {
    .@{date-picker-prefix}-body {
      padding: 0 @icecream-gap-xs;
    }

    .@{date-picker-prefix}-cell-inner {
      width: 60px;
    }

    .@{date-picker-prefix}-cell-range-hover-start::after {
      left: 14px;
      border-left: @icecream-border-width dashed @hover-border-color;
      border-radius: @icecream-border-radius 0 0 @icecream-border-radius;
    }

    .@{date-picker-prefix}-cell-range-hover-end::after {
      right: 14px;
      border-right: @icecream-border-width dashed @hover-border-color;
      border-radius: 0 @icecream-border-radius @icecream-border-radius 0;
    }
  }

  &-date-panel {
    .@{date-picker-prefix}-body {
      padding: @icecream-gap-xs @icecream-gap-sm;
    }

    .@{date-picker-prefix}-content {
      width: 252px;

      th {
        width: 36px;
      }
    }
  }

  &-time-panel {
    width: auto;
    min-width: auto;

    .@{date-picker-prefix}-content {
      display: flex;
      flex: auto;
      height: 224px;
    }

    &-column {
      flex: 1 0 auto;
      box-sizing: border-box;
      width: 56px;
      margin: 0;
      padding: 0;
      overflow-y: hidden;
      text-align: left;
      list-style: none;
      transition: background @icecream-transitions;

      &::after {
        display: block;
        height: 224px - 28px;
        content: '';
      }

      &:not(:first-child) {
        border-left: @icecream-border-width solid @icecream-color-grey-5;
      }

      &-active {
        background: #cceefa;
      }

      &:hover {
        overflow-y: auto;
      }

      > li {
        margin: 0;
        padding: 0;

        &.@{date-picker-prefix}-time-panel-cell {
          .@{date-picker-prefix}-time-panel-cell-inner {
            height: 28px;
            margin: 0;
            padding: 0 0 0 14px;
            color: @icecream-color-grey-10;
            line-height: 28px;
            cursor: pointer;
            transition: background @icecream-transitions;

            &:hover {
              background: @icecream-color-grey-3;
            }
          }

          &-selected {
            .@{date-picker-prefix}-time-panel-cell-inner {
              background: #cceefa;
            }
          }

          &-disabled {
            .@{date-picker-prefix}-time-panel-cell-inner {
              color: @icecream-color-grey-7;
              background: transparent;
              cursor: not-allowed;
            }
          }
        }
      }
    }
  }
}

// Fix IE11 render bug by css hacks
// https://github.com/ant-design/ant-design/issues/21559
// https://codepen.io/afc163-1472555193/pen/mdJRaNj?editors=0110
/* stylelint-disable-next-line */
_:-ms-fullscreen,
:root {
  .@{date-picker-prefix}-range-wrapper {
    .@{date-picker-prefix}-month-panel .@{date-picker-prefix}-cell,
    .@{date-picker-prefix}-year-panel .@{date-picker-prefix}-cell {
      padding: 21px 0;
    }
  }
}