#sheet.chat-fullscreen{position:fixed;inset:auto auto auto 0;top:var(--chat-top,0px);width:100vw;max-width:none;height:var(--chat-height,100dvh);max-height:none;margin:0;border:0;border-radius:0;display:flex;flex-direction:column;overflow:hidden;box-shadow:none;background:#fbfcf8}
#sheet.chat-fullscreen:not([open]){display:none}
#sheet.chat-fullscreen .sheet-head{flex:none;padding:12px 18px;position:relative;border-bottom:1px solid #e7ebe2}
#sheet.chat-fullscreen #sheetBody{flex:1;min-height:0;overflow:hidden;display:flex;flex-direction:column;padding:8px max(14px,calc((100vw - 900px)/2)) calc(8px + env(safe-area-inset-bottom))}
#sheet.chat-fullscreen #sheetBody>.notice:not(#messageStatus){display:none}
#sheet.chat-fullscreen #sheetBody>.quick-actions{flex:none;margin:0 0 6px}
#sheet.chat-fullscreen #messageStatus{flex:none;margin:4px 0}
#sheet.chat-fullscreen .chat-window{flex:1;min-height:0;height:auto;max-height:none;display:flex;flex-direction:column}
#sheet.chat-fullscreen .messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:8px 2px 18px}
#sheet.chat-fullscreen .composer{flex:none;background:#fbfcf8;padding:10px 0 2px;border-top:1px solid #dfe5da}
#sheet.chat-fullscreen .composer input{font-size:16px;min-height:46px}
#sheet.chat-fullscreen #sendError{flex:none;min-height:0;margin:0;font-size:12px}
@media(max-width:700px){#sheet.chat-fullscreen .sheet-head{padding:10px 16px}#sheet.chat-fullscreen #sheetBody{padding:6px 12px calc(6px + env(safe-area-inset-bottom))}#sheet.chat-fullscreen .messages{padding-bottom:10px}#sheet.chat-fullscreen .composer{padding-top:8px}}