/***************
 * Header bars *
 ***************/
%titlebar,
headerbar {
  padding: 0 6px;
  min-height: 38px;
  background: $headerbar_color;
  color: $headerbar_fg_color;
  border-radius: 0;
  &:backdrop {
    border-color: $backdrop_borders_color;
    transition: $backdrop_transition;
  }

  .title {
    font-weight: bold;
    padding-left: 12px;
    padding-right: 12px;
  }

  .subtitle {
    font-size: smaller;
    padding-left: 12px;
    padding-right: 12px;

    @extend .dim-label;
  }

  entry { min-height: 24px; }  
  
  button {
    @include button(normal-header);
    border-color: $dark_borders_color;
    &:active,
    &:checked {
      @include button(active, $selected_bg_color, #fff);
      border-color: $dark_borders_color;
    }

    &:backdrop,
    &:disabled,
    &:backdrop:disabled {
      @include button(backdrop-header, darken($main_dark_color, 3%), transparentize($headerbar_fg_color,0.8));
    }
  }
  %linked-header {
    border-radius: 0;
    border-right-style: none;
    box-shadow: none;
    &:first-child {
      border-top-left-radius: 6px;
      border-bottom-left-radius: 6px;
    }

    &:last-child {
      border-top-right-radius: 6px;
      border-bottom-right-radius: 6px;
      border-right-style: solid;
    }

    &:only-child {
      border-radius: 6px;
      border-style: solid;
    }
  }
  %linked-button {
    @extend %linked-header;
    border-color: $dark_borders_color;
    &:active, &:checked {
      @include button(active, $selected_bg_color, #fff);
      &:backdrop{
        background-color: $backdrop_selected_bg_color;
        color:$selected_bg_color; 
        label{
          color: $selected_bg_color;
        }
      }
    }
  }
  .linked > button {
    @extend %linked-button;
  }
  .linked > button:hover,
  .linked > button:backdrop { @extend %linked-header; }

  .linked:not(.vertical) > entry { 
    border-color: $dark_borders_color;
    box-shadow: none;
    background: lighten($headerbar_color, 2%); 
    color: $headerbar_fg_color;
    caret-color: $headerbar_fg_color;
    *{ color: $headerbar_fg_color; }
    &:focus {
      border-color: entry_focus_border();
    }
  }

  splitbutton.image-button {
    > button:not(.toggle) { 
      border-radius: 6px 0px 0px 6px;
    }
     menubutton.popup button.toggle {
      border-radius: 0px 6px 6px 0px ;
    }
  }
  
  // End reset style

  .path-bar-box {
    .dim-label {
      color: transparent;
      margin-right: -6px;
    }
    button {
      @extend %linked-button;
      &:last-child {
        margin-left: -1px;
        border-radius: 0px;
        &:active, &:checked {
          border-radius: 0px 6px 6px 0px;
        }
      }
      &:first-child {
        border-radius: 6px 0px 0px 6px;
        &:active, &:checked {
          border-radius: 6px;
        }
      }
    }
    widget > .text-button:last-child{
      border-radius: 0px 6px 6px 0px;
      @include button(active, $selected_bg_color, #fff);
      &:backdrop {
        background: $backdrop_selected_bg_color;
        &, label {
          color: $selected_bg_color;
        }
      }
      &:only-child{
        border-radius: 6px;
      } 
    }
  }
  &.selection-mode {
    button {
      &:backdrop {
        &.flat, & {
          &:active,
          &:checked {
            //@include button(backdrop-active, $selected_bg_color, $selected_fg_color);
            label{
              color:$backdrop_selected_bg_color;
            }
            border-color: $selected_borders_color;
          }
        }
      }
    }

  }

  .tiled &,
  .maximized & {
    &.titlebar {
      @if $variant == 'light' { box-shadow: none; }
      @else { box-shadow: inset 0 -1px $bottom_highlight; }
    }
    &:backdrop, & { border-radius: 0; }
  } // squared corners when the window is maximized or tiled

  &.default-decoration {
    padding: 5px 4px; 
    min-height: 20px;

    button.titlebutton {
      min-height: 20px;
      min-width: 20px;
      margin: 0;
      padding: 0;
    }
  }
}

headerbar {
  // add vertical margins to common widget on the headerbar to avoid them spanning the whole height
  entry,
  spinbutton,
  separator:not(.sidebar),
  button,
  menubutton {
    margin-top: 3px;
    margin-bottom: 3px;
  }
  // Reset margins for buttons inside menubutton
  menubutton > button,
  spinbutton > button,
  splitbutton > button,
  splitbutton > menubutton,
  entry > menubutton {
    margin-top: 0px;
    margin-bottom: 0px;
  }

  switch {
    margin-top: 0;
    margin-bottom: 0;
  }
  separator { background: transparent; }
}

.background:not(.tiled):not(.maximized) .titlebar {
  @if $variant == 'light' { box-shadow: inset 0 1px $top_highlight; }
  @else { box-shadow: inset 0 1px $top_highlight,inset 0 -1px $bottom_highlight; }


  &:backdrop, & {
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
  }
}

headerbar {
  window:not(.tiled):not(.maximized) separator:first-child + &, // tackles the paned container case
  window:not(.tiled):not(.maximized) &:first-child { &:backdrop, & { border-top-left-radius: 6px; }}

  window:not(.tiled):not(.maximized) &:last-child { &:backdrop, & { border-top-right-radius: 6px; }}
}

.titlebar:not(headerbar) {
  window.csd > & {
    // in csd we assume every titlebar is a headerbar so reset anything, this is needed for split toolbars cases
    padding: 0;
    background-color: transparent;
    background-image: none;
    border-style: none;
    border-color: transparent;
    box-shadow: none;
  }

  > separator {
    &, &:backdrop {
      background: $headerbar_color;
    }
  }

  @extend %titlebar;
}

.titlebar{
  @extend %titlebar;
}

// Gnome 45

.sidebar-pane, .content-pane {
  .top-bar {
    &, headerbar {
      background-color: $headerbar_color;
    }

    // buttons in nautilus search configuration popover
    popover.background button { @extend %button; }
  }
}

.raised.top-bar { background-color: $headerbar_color; }