amis/scss/components/form/_date.scss

.#{$ns}DatePicker {
  position: relative;
  display: inline-flex;
  flex-wrap: nowrap;
  border: $DatePicker-borderWidth solid $DatePicker-borderColor;
  font-size: $DatePicker-fontSize;
  padding: $DatePicker-paddingY $DatePicker-paddingX;
  height: $DatePicker-height;
  outline: none;
  white-space: nowrap;
  color: $DatePicker-color;
  background-color: $DatePicker-bg;
  border-radius: $DatePicker-borderRadius;

  &:not(.is-disabled) {
    cursor: pointer;

    &:hover {
      background-color: $DatePicker-onHover-bg;
      border-color: $DatePicker-onHover-borderColor;

      .#{$ns}DatePicker-toggler:before {
        color: $DatePicker-onHover-iconColor;
      }
    }
  }

  &.is-focused {
    border-color: $DatePicker-onFocused-borderColor;
    box-shadow: $Form-input-boxShadow;
  }

  &.is-disabled {
    background: $gray200;

    > &-input {
      color: $text--muted-color;
    }
  }

  &-placeholder {
    color: $DatePicker-placeholderColor;
    user-select: none;
    margin-right: $gap-base;
    min-width: px2rem(50px);
    flex-basis: 0;
    flex-grow: 1;
  }

  &-value {
    margin-right: $gap-base;
    flex-basis: 0;
    flex-grow: 1;
  }

  &-toggler {
    cursor: pointer;
    color: $DatePicker-iconColor;

    &:hover {
      color: $DatePicker-onHover-iconColor;
    }
  }

  &-clear {
    display: inline-block;
    @include input-clear();
    line-height: 1;
    margin-right: $gap-xs;
  }
}

.#{$ns}DateControl:not(.is-inline) > .#{$ns}DatePicker {
  display: flex;
}

.#{$ns}DatePicker-shortcuts {
  margin: 0;
  background: $Calendar-shortcuts-bg;
  padding: ($Calendar-shortcuts-height - $Calendar-fontSize * $lineHeightBase) /
    2 $gap-sm;
  list-style: none;
  width: px2rem(250px);

  & + .rdt .rdtPicker {
    padding-top: 0;
  }
}

.#{$ns}DatePicker-shortcut {
  display: inline-block;
  margin-right: $gap-sm;

  a {
    font-size: $Calendar-fontSize;
    cursor: pointer;
    color: $Calendar-shortcut-color;
    text-decoration: $Calendar-shortcut-decoration;

    &:hover {
      color: $Calendar-shortcut-onHover-color;
      text-decoration: $Calendar-shortcut-onHover-decoration;
    }
  }
}

.#{$ns}DatePicker-popover {
  margin: px2rem(2px) 0 0;

  &.#{$ns}PopOver--leftTopLeftBottom,
  &.#{$ns}PopOver--rightTopRightBottom {
    margin: px2rem(-2px) 0 0;
  }
}

// override third-party styles
.rdt {
  user-select: none;
  font-size: $Calendar-fontSize;
  color: $Calendar-color;

  .rdtPicker {
    margin-top: 0;
    padding: $gap-sm;
    background: transparent;
    border: none;

    .dow {
      color: $Calendar-wLabel-color;
      font-weight: normal;
    }

    td.rdtDay,
    td.rdtHour,
    td.rdtMinute,
    td.rdtSecond,
    .rdtTimeToggle {
      background-color: $Calendar-cell-bg;

      &:hover {
        background-color: $Calendar-cell-onHover-bg;
      }
    }

    td.rdtBetween {
      background: $Calendar-cell-onBetween-bg;
    }

    td.rdtToday:before {
      border-bottom-color: $Calendar-cell-onActive-bg;
    }

    td.rdtActive.rdtToday:before {
      border-bottom-color: $Calendar-cell-bg;
    }

    td.rdtActive,
    td.rdtActive:hover {
      background: $Calendar-cell-onActive-bg;
    }

    td.rdtDisabled,
    td.rdtDisabled:hover {
      background-color: $Calendar-cell-onDisabled-bg;
    }
  }

  thead tr:first-child th {
    cursor: default;
    font-weight: normal;
    border-bottom: none;
  }

  thead tr:first-child th:hover {
    background: transparent;
  }

  tfoot {
    border-top: 0;

    td {
      padding-top: px2rem(5px);
      text-align: left;

      span {
        width: 10px;
        display: inline-block;
        text-align: center;
      }

      input {
        outline: none;
        width: 42px;
        font-size: $Calendar-input-fontSize;
        color: $Calendar-input-color;
        border: 1px solid $Calendar-input-borderColor;
        border-radius: $Calendar-input-borderRadius;
        height: $Calendar-input-height;
        line-height: $Calendar-input-lineHeight;
        padding: $Calendar-input-paddingY $Calendar-input-paddingX;
        box-shadow: none;

        &:focus {
          border-color: $Calendar-input-onFocused-borderColor;
          box-shadow: none;
        }
      }

      .rdtActions {
        margin-top: $gap-sm;
        text-align: right;
      }
    }
  }

  .rdtCounter {
    .rdtBtn {
      height: 30%;
      line-height: px2rem(20px);
    }

    .rdtCount {
      height: 40%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
  }
}

.rdtBtn {
  line-height: $Calendar-btn-lineHeight;
  padding: $Calendar-btn-paddingY $Calendar-btn-paddingX;
  display: inline-block;
  vertical-align: middle;
  text-align: center;
  user-select: none;
  cursor: pointer;
  text-decoration: none;
  font-size: $Calendar-btn-fontSize;

  &:hover {
    text-decoration: none;
  }

  &.is-disabled {
    opacity: 0.6;
    pointer-events: none;
  }

  .fa,
  .iconfont {
    font-size: $fontSizeSm;
  }

  @include button-variant(
    $Calendar-btn-bg,
    $Calendar-btn-border,
    $Calendar-btn-color,
    $Calendar-btn-onHover-bg,
    $Calendar-btn-onHover-border,
    $Calendar-btn-onHover-color,
    $Calendar-btn-onActive-bg,
    $Calendar-btn-onActive-border,
    $Calendar-btn-onActive-color
  );

  border-radius: $Calendar-btn-borderRadius;

  & + .rdtBtn {
    margin-left: $gap-xs;
  }

  &Cancel {
    @include button-variant(
      $Calendar-btnCancel-bg,
      $Calendar-btnCancel-border,
      $Calendar-btnCancel-color,
      $Calendar-btnCancel-onHover-bg,
      $Calendar-btnCancel-onHover-border,
      $Calendar-btnCancel-onHover-color,
      $Calendar-btnCancel-onActive-bg,
      $Calendar-btnCancel-onActive-border,
      $Calendar-btnCancel-onActive-color
    );
  }
}

.rdtBtnPrev:before,
.rdtBtnNext:before {
  display: inline-block;
  color: inherit;
  font-style: normal;
  line-height: 1;
}

.rdtPrev,
.rdtNext {
  cursor: pointer !important;
  width: px2rem(20px);
  padding: 0;
  color: #999;
  font-size: px2rem(20px);
  text-decoration: none;
  font-family: auto;
  font-weight: normal;

  &:hover {
    text-decoration: none;
    color: #000;
  }
}

.rdtSwitch {
  text-align: center;
  color: #000;
  cursor: pointer;
  font-weight: normal;

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

.rdtHeader {
  display: table;
  table-layout: fixed;
  border-collapse: separate;
  width: 100%;
  // padding: 0 10px;

  > * {
    display: table-cell;
    vertical-align: middle;
    text-align: center;
  }

  .rdtSwitch + .rdtSwitch {
    margin-left: $gap-xs;
  }
}

td.rdtMonth,
td.rdtYear {
  width: px2rem(50px);
  height: px2rem(40px);

  > span {
    height: px2rem(24px);
    display: block;
  }

  &:hover,
  &.rdtActive {
    background: transparent !important;

    > span {
      background: $info;
      color: $white;
    }
  }

  &.rdtDisabled {
    background: transparent !important;

    > span {
      background: #edf1f2;
      color: #999;
    }
  }
}