/* Additive sitewide glow bridge — matches the published Chat/Agent component.
   Authenticated Chat and Agent already have the correct black background and
   their own four layers; do not double-apply this rule to those shells. */
html body:not(.wa-agent-page),
html[data-wg-theme] body:not(.wa-agent-page){
  background:#000!important;
  background-color:#000!important;
  background-image:none!important;
  isolation:isolate!important;
}