/* Portal-hosted support chat never appears in an embedded page or over a modal. */
html.portal-chat-suppressed :is([class*="zsiq"], [id^="zsiq"], [id^="siqiframe"]),
html:has(dialog[open]) :is([class*="zsiq"], [id^="zsiq"], [id^="siqiframe"]) { display:none !important; visibility:hidden !important; pointer-events:none !important; }