.mcb-chat,.mcb-chat *{box-sizing:border-box}.mcb-chat{position:fixed;right:var(--mcb-x,0);top:50%;z-index:99999;display:flex;flex-direction:column;gap:8px;transform:translateY(-50%);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.2}.mcb-channel{position:relative;width:54px;height:54px;display:grid;place-items:center;border-radius:14px 0 0 14px;color:var(--mcb-channel-text,#fff)!important;background:var(--mcb-channel-bg,#334155);text-decoration:none!important;box-shadow:0 7px 22px rgba(15,23,42,.2);transition:width .2s ease,filter .18s ease,transform .18s ease}.mcb-channel:hover{filter:brightness(1.08);transform:translateX(-3px)}.mcb-channel:focus-visible{outline:3px solid rgba(37,99,235,.35);outline-offset:3px}.mcb-channel-icon{width:29px;height:29px;display:grid;place-items:center}.mcb-channel-icon svg,.mcb-channel-icon img{width:100%;height:100%;display:block;object-fit:contain}.mcb-channel-icon svg{fill:currentColor}.mcb-channel-label{position:absolute;right:calc(100% + 9px);top:50%;padding:7px 10px;border-radius:7px;background:#111827;color:#fff;font-size:13px;font-weight:650;white-space:nowrap;opacity:0;visibility:hidden;transform:translate(5px,-50%);transition:opacity .18s ease,transform .18s ease,visibility .18s}.mcb-channel:hover .mcb-channel-label,.mcb-channel:focus-visible .mcb-channel-label{opacity:1;visibility:visible;transform:translate(0,-50%)}@media(max-width:600px){.mcb-chat{gap:6px}.mcb-channel{width:48px;height:48px;border-radius:12px 0 0 12px}.mcb-channel-icon{width:25px;height:25px}.mcb-channel-label{display:none}}@media(prefers-reduced-motion:reduce){.mcb-chat *{transition:none!important}}