#mtac-bubble{position:fixed;right:22px;bottom:22px;z-index:99998;width:54px;height:54px;border:0;border-radius:50%;background:#111;color:#fff;font-weight:700;box-shadow:0 10px 30px #0003}#mtac-panel{position:fixed;right:22px;bottom:88px;z-index:99999;width:min(370px,calc(100vw - 30px));height:520px;background:#fff;border:1px solid #e8e8e8;border-radius:18px;box-shadow:0 20px 60px #0003;overflow:hidden;font-family:inherit}#mtac-panel header{height:58px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #eee}#mtac-close{border:0;background:none;font-size:28px}#mtac-messages{height:390px;overflow:auto;padding:15px;background:#fafafa}#mtac-messages div{max-width:85%;padding:10px 12px;margin:8px 0;border-radius:14px;white-space:pre-wrap}.bot{background:#fff;border:1px solid #eee}.user{background:#111;color:#fff;margin-left:auto!important}#mtac-form{display:flex;gap:8px;padding:12px;border-top:1px solid #eee}#mtac-input{flex:1;min-width:0;border:1px solid #ddd;border-radius:10px;padding:10px}#mtac-form button{border:0;border-radius:10px;background:#111;color:#fff;padding:0 14px}