body.chat-open .nav,body.chat-open .top{display:none!important}body.chat-open{overscroll-behavior:none}.chat-open #activeThread{position:fixed;top:var(--chat-top,0);left:0;right:0;height:var(--chat-height,100dvh);z-index:190;background:#F2F3F5}.chat-open .chatPage{display:flex;flex-direction:column;height:100%;min-height:0;max-width:720px;margin:0 auto;padding:env(safe-area-inset-top) 0 0;background:#F2F3F5}.chat-open .chatHeader{position:static;flex-shrink:0;min-height:64px;height:auto;padding:10px 16px;background:#F2F3F5;border-bottom:1px solid #E2E4E8;backdrop-filter:none}.chatHeader button{min-width:44px;min-height:44px}.chatHeaderText b{font-size:17px}.chatHeaderText span{font-size:12px}.chat-open .chatMessages{flex:1;min-height:0;height:auto;max-height:none;padding:18px 16px;overflow-y:auto;overscroll-behavior:contain;scroll-behavior:auto}.chat-open .chatComposer{position:static;flex-shrink:0;display:flex;align-items:flex-end;gap:10px;background:#F2F3F5;border-top:1px solid #E2E4E8;padding:10px 14px calc(10px + env(safe-area-inset-bottom));width:auto;transform:none}.chatComposer textarea{flex:1;min-width:0;resize:none;min-height:46px;max-height:110px;padding:12px;border:1px solid #E2E4E8;border-radius:14px;font-size:16px;line-height:1.4;background:#fff;color:#202226}.chatComposer .chatSend{min-height:46px;min-width:64px;border-radius:13px;font-size:14px;background:#34373D;color:white}.chatLine .bubble{font-size:16px;line-height:1.55;padding:11px 14px;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%}.chatLine.mine .bubble{background:#EAECF0;color:#202226}.chatLine time{font-size:10px;color:#62666E;margin-top:5px}.chatLine{margin-bottom:16px}.chatStatus{font-size:12px;color:#9b5140;line-height:1.6;padding:0 16px}.chatStatus:not(:empty){padding:10px 16px;background:#fff8ed;flex-shrink:0}.chatHistory{display:block;margin:0 auto 18px;min-height:42px;border:0;background:#F2F3F5;border-radius:12px;padding:9px 15px;color:#62666E;font-size:13px}.chatCardLink{flex-shrink:0;border:0;border-bottom:1px solid #E2E4E8;background:#F2F3F5;color:#202226;min-height:44px;font-size:13px}.chatLoading{padding:80px 24px;text-align:center;font-size:16px;color:#62666E}.chatLoading button{display:block;min-height:48px;margin:20px auto;border:1px solid #E2E4E8;border-radius:12px;background:white;padding:10px 24px}.conversationRow{min-height:82px}.conversationName{font-size:16px}.conversationPreview{font-size:13px;line-height:1.5}.conversationMeta time{font-size:11px}