@media (-moz-bool-pref: "theme.no_gaps.split.gaps")
and (-moz-bool-pref: "theme.no_gaps.fixes.center_split_view") {

  #zen-appcontent-wrapper:has(
  > #zen-tabbox-wrapper > #tabbrowser-tabbox
  > #tabbrowser-tabpanels[zen-split-view="true"]) 
  > #zen-tabbox-wrapper{

    margin-top: 1px !important;
    margin-bottom: 5px !important;
    margin-right: 7px !important;
    
    @media (-moz-bool-pref: "zen.view.compact"){
      @media (-moz-bool-pref: "zen.view.compact.hide-toolbar") {
        margin-top: -3px !important;
      }
      @media (-moz-bool-pref: "zen.view.compact.hide-tabbar") {
        margin-left: -3px !important;
      }
    }
    
  }
}


:root[zen-single-toolbar="true"]:not([customizing]) {
  @media (-moz-bool-pref: "zen.view.hide-window-controls") {
    
    @media (-moz-bool-pref: "theme.no_gaps.single_toolbar.disable_navbar"){
      
      @media (-moz-bool-pref: "theme.no_gaps.split.single_toolbar.disable_navbar"){
        #zen-appcontent-navbar-container{
          display: none !important;
        }
      }
      
      @media not (-moz-bool-pref: "theme.no_gaps.split.single_toolbar.disable_navbar"){
        #zen-appcontent-wrapper:has(
        > #zen-tabbox-wrapper > #tabbrowser-tabbox
        > #tabbrowser-tabpanels:not([zen-split-view="true"])) 
        > #zen-appcontent-navbar-container {
          display: none !important;
        }

        @media (-moz-bool-pref: "theme.no_gaps.split.single_toolbar.hide_navbar"){
          #zen-appcontent-wrapper:has(
          > #zen-tabbox-wrapper > #tabbrowser-tabbox
          > #tabbrowser-tabpanels[zen-split-view="true"]) {
            height: calc(100% + var(--zen-element-separation));
            transition: height 0.2s ease;

            & > #zen-tabbox-wrapper{
              top: calc(-1 * var(--zen-element-separation));
              z-index: -1 !important;
              transition: top 0.2s ease;
            }
            
            &:not(:has(> #zen-appcontent-navbar-container:not(
            [zen-has-hover="true"], [has-popup-menu], :focus-within)))
            > #zen-tabbox-wrapper{
              top: 0;
            }
            
          }
        }
        
      }
      
    }
    
    @media not (-moz-bool-pref: "theme.no_gaps.single_toolbar.disable_navbar"){
      
      @media (-moz-bool-pref: "theme.no_gaps.split.single_toolbar.disable_navbar"){
        
        #zen-appcontent-wrapper:has(
        > #zen-tabbox-wrapper > #tabbrowser-tabbox
        > #tabbrowser-tabpanels[zen-split-view="true"]) 
        > #zen-appcontent-navbar-container {
          display: none !important;
        }
        
        @media (-moz-bool-pref: "theme.no_gaps.single_toolbar.hide_navbar"){
          #zen-appcontent-wrapper:has(
          > #zen-tabbox-wrapper > #tabbrowser-tabbox
          > #tabbrowser-tabpanels:not([zen-split-view="true"])) {
            height: calc(100% + var(--zen-element-separation));
            transition: height 0.2s ease;

            & > #zen-tabbox-wrapper{
              top: calc(-1 * var(--zen-element-separation));
              z-index: -1 !important;
              transition: top 0.2s ease;
            }
            
            &:not(:has(> #zen-appcontent-navbar-container:not(
            [zen-has-hover="true"], [has-popup-menu], :focus-within)))
            > #zen-tabbox-wrapper{
              top: 0;
            }
          }
        }
        
      }
      
      @media not (-moz-bool-pref: "theme.no_gaps.split.single_toolbar.disable_navbar"){
        
        @media (-moz-bool-pref: "theme.no_gaps.single_toolbar.hide_navbar"){
          @media (-moz-bool-pref: "theme.no_gaps.split.single_toolbar.hide_navbar"){
            #zen-appcontent-wrapper{
              height: calc(100% + var(--zen-element-separation));
              transition: height 0.2s ease;
              
              & > #zen-tabbox-wrapper{
                top: calc(-1 * var(--zen-element-separation));
                z-index: -1 !important;
                transition: top 0.2s ease;
              }
              
              &:not(:has(> #zen-appcontent-navbar-container:not(
              [zen-has-hover="true"], [has-popup-menu], :focus-within)))
              > #zen-tabbox-wrapper{
                top: 0;
              }
            }
          }
          @media not (-moz-bool-pref: "theme.no_gaps.split.single_toolbar.hide_navbar"){
            #zen-appcontent-wrapper:has(
            > #zen-tabbox-wrapper > #tabbrowser-tabbox
            > #tabbrowser-tabpanels:not([zen-split-view="true"])) {
              height: calc(100% + var(--zen-element-separation));
              transition: height 0.2s ease;

              & > #zen-tabbox-wrapper{
                top: calc(-1 * var(--zen-element-separation));
                z-index: -1 !important;
                transition: top 0.2s ease;
              }
              
              &:not(:has(> #zen-appcontent-navbar-container:not(
              [zen-has-hover="true"], [has-popup-menu], :focus-within)))
              > #zen-tabbox-wrapper{
                top: 0;
              }
            }
          }
        }

        @media not (-moz-bool-pref: "theme.no_gaps.single_toolbar.hide_navbar"){
          @media (-moz-bool-pref: "theme.no_gaps.split.single_toolbar.hide_navbar"){
            #zen-appcontent-wrapper:has(
            > #zen-tabbox-wrapper > #tabbrowser-tabbox
            > #tabbrowser-tabpanels[zen-split-view="true"]) {
              height: calc(100% + var(--zen-element-separation));
              transition: height 0.2s ease;

              & > #zen-tabbox-wrapper{
                top: calc(-1 * var(--zen-element-separation));
                z-index: -1 !important;
                transition: top 0.2s ease;
              }
              &:not(:has(> #zen-appcontent-navbar-container:not(
              [zen-has-hover="true"], [has-popup-menu], :focus-within)))
              > #zen-tabbox-wrapper{
                top: 0;
              }
            }
          }
        }
        
      }
    }
    
  }
}


@media not (-moz-bool-pref: "theme.no_gaps.split.outline") {
  hbox.browserSidebarContainer{
    outline: none !important;
  }
}


@media not (-moz-bool-pref: "theme.no_gaps.shadow"){
  @media not (-moz-bool-pref: "theme.no_gaps.split.shadow") {
    hbox.browserSidebarContainer{
      box-shadow: none !important;
    }
  }

  @media (-moz-bool-pref: "theme.no_gaps.split.shadow") {
    hbox.browserSidebarContainer:not([zen-split="true"]){
      box-shadow: none !important;
    }
  }
}

@media (-moz-bool-pref: "theme.no_gaps.shadow") {
  @media not (-moz-bool-pref: "theme.no_gaps.split.shadow") {
    hbox.browserSidebarContainer[zen-split="true"]{
      box-shadow: none !important;
    }
  }
}


@media not (-moz-bool-pref: "theme.no_gaps.rounded_corners") {

  @media not (-moz-bool-pref: "theme.no_gaps.split.rounded_corners") {
    #tabbrowser-tabpanels{
      --zen-webview-border-radius: 0;
    }
  }

  @media (-moz-bool-pref: "theme.no_gaps.split.rounded_corners") {
    #tabbrowser-tabpanels:not([zen-split-view="true"]){
      --zen-webview-border-radius: 0;
    }
  }

}

@media (-moz-bool-pref: "theme.no_gaps.rounded_corners") {
  @media not (-moz-bool-pref: "theme.no_gaps.split.rounded_corners") {
    #tabbrowser-tabpanels[zen-split-view="true"]{
      --zen-webview-border-radius: 0;
    }
  }
}


@media not (-moz-bool-pref: "theme.no_gaps.gaps") {

  hbox.browserSidebarContainer:not([zen-split="true"]){
    margin: 0 !important;
  }

  @media not (-moz-bool-pref: "theme.no_gaps.split.gaps") {

    tabbox#tabbrowser-tabbox{
      --zen-split-row-gap: 0 !important;
      --zen-split-column-gap: 0 !important;
    }
    
    div.zen-split-view-splitter[orient="vertical"]{
      margin-left: calc(-1 * var(--zen-element-separation) + 1px) !important;
    }
    
    div.zen-split-view-splitter[orient="horizontal"]{
      height: calc(var(--zen-element-separation) * 2 - 3px) !important;
      margin-top: calc(-1 * var(--zen-element-separation) + 1px) !important;
    }

    #zen-appcontent-wrapper {
      margin: 0 !important;
    }
    #zen-tabbox-wrapper {
      margin: 0 !important;
    }

    @media (-moz-bool-pref: "theme.no_gaps.split.outline") {
      hbox.browserSidebarContainer[zen-split="true"]{
        margin: 1px !important;
      }
    }

  }

  @media (-moz-bool-pref: "theme.no_gaps.split.gaps") {

    #zen-appcontent-wrapper:not(:has(
    > #zen-tabbox-wrapper > #tabbrowser-tabbox
    > #tabbrowser-tabpanels[zen-split-view="true"])){

      margin: 0 !important;

      & > #zen-tabbox-wrapper {
        margin: 0 !important;
      }

    }

  }
}

@media (-moz-bool-pref: "theme.no_gaps.gaps") {
  @media not (-moz-bool-pref: "theme.no_gaps.split.gaps") {

    tabbox#tabbrowser-tabbox{
      --zen-split-row-gap: 0 !important;
      --zen-split-column-gap: 0 !important;
    }
    
    div.zen-split-view-splitter[orient="vertical"]{
      margin-left: calc(-1 * var(--zen-element-separation) + 1px) !important;
    }
    
    div.zen-split-view-splitter[orient="horizontal"]{
      height: calc(var(--zen-element-separation) * 2 - 3px) !important;
      margin-top: calc(-1 * var(--zen-element-separation) + 1px) !important;
    }

    @media (-moz-bool-pref: "theme.no_gaps.split.outline") {
      hbox.browserSidebarContainer[zen-split="true"]{
        margin: 1px !important;
      }
    }

    #zen-appcontent-wrapper:has(
    > #zen-tabbox-wrapper > #tabbrowser-tabbox
    > #tabbrowser-tabpanels[zen-split-view="true"]){

      margin: 0 !important;

      & > #zen-tabbox-wrapper {
        margin: 0 !important;
      }

    }

  }
}