.ui-grid-top-panel-background {
  .gradient(@headerBackgroundColor, @headerGradientStart, @headerGradientStop);
}

@topPanelRadius: @gridBorderRadius - @gridBorderWidth;

.ui-grid-header {
  border-bottom: 1px solid @borderColor;
  box-sizing: border-box;
}

.ui-grid-top-panel {
    position: relative;
    // border-bottom: 1px solid @borderColor; // #D4D4D4

    overflow: hidden;  // Disable so menus show up
    font-weight: bold;

    // .gradient(@headerBackgroundColor, @headerGradientStart, @headerGradientStop);
    .ui-grid-top-panel-background;

    .border-radius(@topPanelRadius, 0, 0, @topPanelRadius);
}


.ui-grid-header-viewport {
  overflow: hidden; // Disable so menus show up
}

.ui-grid-header-canvas {

  // Clearfix for floating header cells
  &:before, &:after {
    content: "";
    display: table;
    line-height: 0;
  }

  &:after {
    clear:both;
  }

  // .border-radius(@gridBorderRadius, 0, 0, @gridBorderRadius);
}

.ui-grid-header-cell-wrapper {
  position: relative;
  display: table;
  box-sizing: border-box;
  height: 100%;
}

.ui-grid-header-cell-row {
  display: table-row;
  position: relative
}

.ui-grid-header-cell {
  position: relative;
  box-sizing: border-box;
  background-color: inherit;
  border-right: @gridBorderWidth solid;
  border-color: @headerVerticalBarColor;
  display: table-cell;

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

  .user-select(none);

  // Default to width 0 so header height can calculate right. Otherwise
  //  the header cells will flow onto the next line of the header container
  //  and cause the header height to be calculated as twice the height
  //  it should be. The column widths are calculated dynamically
  width: 0;

  .sortable {
    cursor: pointer;
  }
}

// Make vertical bar in header row fill the height of the cell completely
.ui-grid-header .ui-grid-vertical-bar {
  top: 0;
  bottom: 0;
}

.ui-grid-column-menu-button {
  position: absolute;
  right: @gridBorderWidth; // So it doesn't overlay the vertical bar
  top: 0;
  // bottom: 0;
  // .ui-grid-top-panel-background;

  .ui-grid-icon-angle-down {
    vertical-align: sub;
  }
}

.ui-grid-column-menu-button-last-col {
  margin-right: 25px;
}

.ui-grid-column-menu {
  position: absolute;
}

/* Slide up/down animations */
.ui-grid-column-menu .ui-grid-menu .ui-grid-menu-mid {
  &.ng-hide-add, &.ng-hide-remove {
    .transition(all, 0.05s, linear);
    display: block !important;
  }

  &.ng-hide-add.ng-hide-add-active,
  &.ng-hide-remove {
    .transform(translateY(-100%));
  }

  &.ng-hide-add,
  &.ng-hide-remove.ng-hide-remove-active {
    .transform(translateY(0));
  }
}

/* Slide up/down animations */
.ui-grid-menu-button .ui-grid-menu .ui-grid-menu-mid {
  &.ng-hide-add, &.ng-hide-remove {
    .transition(all, 0.05s, linear);
    display: block !important;
  }

  &.ng-hide-add.ng-hide-add-active,
  &.ng-hide-remove {
    .transform(translateY(-100%));
  }

  &.ng-hide-add,
  &.ng-hide-remove.ng-hide-remove-active {
    .transform(translateY(0));
  }
}


.ui-grid-filter-container {
  padding: 4px 10px;
  position: relative;

  .ui-grid-filter-button {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;

    [class^="ui-grid-icon"] {
      position: absolute;
      top: 50%;
      line-height: 32px;
      margin-top: -16px;
      right: 10px;
      opacity: 0.66;

      &:hover {
        opacity: 1;
      }
    }
  }

  .ui-grid-filter-button-select {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;

    [class^="ui-grid-icon"] {
      position: absolute;
      top: 50%;
      line-height: 32px;
      margin-top: -16px;
      right: 0px;
      opacity: 0.66;

      &:hover {
        opacity: 1;
      }
    }
  }
}

input[type="text"].ui-grid-filter-input {
  padding: 0;
  margin: 0;
  border: 0;
  width: 100%;

  border: @gridBorderWidth solid  @borderColor;
  .border-radius(@gridBorderRadius);

  &:hover {
    border: @gridBorderWidth solid  @borderColor;
  }
}

select.ui-grid-filter-select {
  padding: 0;
  margin: 0;
  border: 0;
  width: 90%;

  border: @gridBorderWidth solid  @borderColor;
  .border-radius(@gridBorderRadius);

  &:hover {
    border: @gridBorderWidth solid  @borderColor;
  }

  .ui-grid-filter-cancel-button-hidden & {
    width: 100%;
  }
}