#multichat-button{position:fixed;bottom:20px;right:20px;z-index:9999;background-color:var(--primary-light);border:none;border-radius:50%;width:70px;height:70px;padding:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.2);transition:background-color .3s ease}#multichat-button:hover{background-color:var(--primary)}#multichat-button svg{width:56px;height:56px;fill:#fff}#multichat-button img{width:56px;height:56px;object-fit:contain;display:block}#multichat-icon{max-width:100%;height:auto}#multichat-iframe{visibility:hidden;opacity:0;transition:opacity .3s ease;position:fixed;bottom:100px;right:20px;width:400px;height:600px;z-index:9998;border:none;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.3)}#multichat-iframe.active{visibility:visible;opacity:1}@media (max-width:600px){#multichat-iframe{width:90vw;height:80vh;right:5vw;bottom:90px;border-radius:12px}#multichat-button{width:60px;height:60px}#multichat-button svg{width:28px;height:28px}#multichat-button img{width:28px;height:28px}}