ux") {
          // Linux uses GTK CSD titlebar radius, default to 8px
          document.documentElement.style.setProperty(
            "--zen-border-radius",
            "env(-moz-gtk-csd-titlebar-radius, 8px)"
          );
        } else {
          // Windows defaults to 8px
          document.documentElement.style.setProperty("--zen-border-radius", "8px");
        }
      } else {
        // Use the overridden value
        document.documentElement.style.setProperty("--zen-border-radius", borderRadius + "px");
      }
    },

    updateElementSeparation() {
      const kMinElementSeparation = 0.1; // in px
      let separation = this.elementSeparation;
      if (
        document.documentElement.hasAttribute("inFullscreen") &&
        window.gZenCompactModeManager?.preference &&
        !document.getElementById("tabbrowser-tabbox")?.hasAttribute("zen-split-view") &&
        Services.prefs.getBoolPref("zen.view.borderless-fullscreen", true)
      ) {
        separation = 0;
      }
      // In order to still use it on fullscreen, even if it's 0px, add .1px (almost invisible)
      separation = Math.max(kMinElementSeparation, separation);
      document.documentElement.style.setProperty("--zen-element-separation", separation + "px");
      if (separation == kMinElementSeparation) {
        document.documentElement.setAttribute("zen-no-padding", true);
      } else {
        document.documentElement.removeAttribute("zen-no-padding");
      }
    },

    get elementSeparation() {
      return Math.min(
        Services.prefs.getIntPref("zen.theme.content-element-separation"),
        kZenMaxElementSeparation
      );
    },

    /**
     * Update the accent color.
     */
    updateAccentColor() {
      const accentColor = Services.prefs.getStringPref("zen.theme.accent-color");
      document.documentElement.style.setProperty("--zen-primary-color", accentColor);
    },
  };

  if (typeof Services !== "undefined") {
    ZenThemeModifier.init();
  }
}
PK