@-moz-document url-prefix("chrome:") {
  /* Gradient background variant */
  :root:has(#theme-Customized-Popup[uc-customized_popup-background="gradient"]) {
    menupopup, 
    panel {
      --panel-background: var(--zen-main-browser-background-toolbar) !important;
    }
  }

/* Solid background variant */
  :root:has(#theme-Customized-Popup[uc-customized_popup-background="solid"]) {
    menupopup, 
    panel {
      --panel-background: color-mix(
        in srgb, 
        var(--zen-primary-color) 30%, 
        var(--zen-dark-color-mix-base) 100%
      ) !important;
    }
  }

/* Scrollbox styling */
  arrowscrollbox {
    box-shadow: inset 0 0 0 1000px rgba(0, 0, 0, 0.2) !important;
  }

/* Styling for customized popups */
  :root:has(#theme-Customized-Popup:not([uc-customized_popup-background="none"])) {
    panel > * {
      box-shadow: inset 0 0 0 1000px rgba(0, 0, 0, 0.5) !important;
    }

menu, 
    menuitem {
      &:where([_moz-menuactive="true"][disabled="true"]) {
        background-color: transparent !important;
      }
    }
  
    panel {
      --zen-colors-tertiary: #0000002b !important;
      --input-bgcolor: #0000002b !important;
    }
  }

:where(#customizationui-widget-multiview) panelview:not([extension]) {
    height: 50vh !important;
    max-width: 20em !important;
  }

/* MENU SEPARATORS */
  menuseparator::before {
    border-top: none !important;
  }
  
  menuseparator {
    padding-block: 0px !important;
  }
  
  /* DOWNLOADS PANEL */
  #emptyDownloads {
    padding: 8px !important;
  }

#downloadsFooterButtons toolbarseparator {
    display: none !important;
  }

.downloadButton {
    min-width: fit-content !important;
    padding: 5px !important;
  }

.downloadTypeIcon {
    width: 24px !important;
    height: auto !important;
  }

#downloadsListBox {
    width: 25em !important;
  }
  
  #downloadsPanel-blockedSubview, 
  #downloadsPanel-mainView {
    min-width: 25em !important;
  }

#downloadsListBox > richlistitem {
    margin: 0 !important;
  }
}