#ch-btn{position:fixed;bottom:20px;right:30px;z-index:2147483646;width:52px;height:52px;border-radius:50%;background:#5865f2;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 20px rgba(88,101,242,.45);transition:transform .2s,box-shadow .2s;}
#ch-btn:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(88,101,242,.6);}
@media(max-width:1100px){#ch-btn{right:20px;}}
#ch-badge{position:absolute;top:-3px;right:-3px;background:#ef4444;color:#fff;border-radius:50%;width:18px;height:18px;font-size:10px;font-weight:700;display:none;align-items:center;justify-content:center;border:2px solid #f9f9ff;}
#ch-root{display:none;position:fixed;flex-direction:column;overflow:hidden;background:#f9f9ff;z-index:2147483647;border:1px solid rgba(198,197,215,.5);}
.ch-topbar{display:flex;padding:14px 16px;background:#fff;border-bottom:1px solid rgba(198,197,215,.5);align-items:center;justify-content:space-between;flex-shrink:0;box-shadow:0 1px 4px rgba(0,0,0,.06);}
.ch-user-data{display:flex;align-items:center;gap:10px;min-width:0;flex:1;}
.ch-user-pic{width:42px;height:42px;flex-shrink:0;}
.ch-user-pic img{width:100%;height:100%;object-fit:cover;border-radius:50%;border:2px solid rgba(88,101,242,.15);}
.ch-user-info{min-width:0;}
.ch-username{font-weight:700;font-size:13px;line-height:1.2;color:#151c27;letter-spacing:.03em;text-transform:uppercase;}
.ch-usub{font-size:10px;color:#454655;margin-top:3px;display:flex;align-items:center;gap:4px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;}
.ch-dot{width:7px;height:7px;border-radius:50%;background:#4ade80;display:inline-block;flex-shrink:0;animation:chp 2s infinite;}
@keyframes chp{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
#ch-hours-text{display:none;}
#ch-xbtn{background:none;border:none;color:#454655;cursor:pointer;padding:0;line-height:1;flex-shrink:0;border-radius:50%;display:flex;align-items:center;justify-content:center;width:32px;height:32px;transition:background .2s,color .2s;}
#ch-xbtn:hover{background:#e7eefe;color:#151c27;}
#ch-messages-wrap{flex:1 1 auto;min-height:0;overflow-y:auto;padding:14px;background:rgba(240,243,255,.3);-webkit-overflow-scrolling:touch;overscroll-behavior:contain;display:flex;flex-direction:column;gap:12px;}
#ch-messages-wrap::-webkit-scrollbar{width:4px;}
#ch-messages-wrap::-webkit-scrollbar-track{background:transparent;}
#ch-messages-wrap::-webkit-scrollbar-thumb{background:#c6c5d7;border-radius:10px;}
#ch-status-notice{padding:13px 15px;border-radius:12px;background:#e2e8f8;border:1px solid rgba(198,197,215,.3);display:flex;gap:11px;align-items:flex-start;flex-shrink:0;}
.ch-notice-icon{color:#3d4ad8;flex-shrink:0;margin-top:1px;}
#ch-status-notice-txt{font-size:12px;color:#454655;line-height:1.5;}
.ch-preview{display:flex;flex-direction:column;align-items:center;padding:16px 0 8px;gap:8px;flex-shrink:0;}
.ch-prev-pic{width:72px;height:72px;border-radius:50%;overflow:hidden;box-shadow:0 4px 20px rgba(88,101,242,.2);border:3px solid rgba(88,101,242,.12);}
.ch-prev-pic img{width:100%;height:100%;object-fit:cover;}
.ch-prev-name{font-size:14px;font-weight:800;color:#5865f2;text-transform:uppercase;letter-spacing:.04em;}
.ch-prev-sub{font-size:11px;color:#454655;text-transform:uppercase;letter-spacing:.05em;}
#ch-messages{display:flex;flex-direction:column;gap:6px;}
.ch-msg-row{display:flex;}
.ch-msg-row.recv,.ch-msg-row.op,.ch-msg-row.typing{justify-content:flex-start;}
.ch-msg-row.send{justify-content:flex-end;}
.ch-bubble{padding:11px 15px;max-width:calc(100% - 50px);width:max-content;font-size:13px;line-height:1.55;word-break:break-word;}
.ch-bubble a{color:#5865f2;text-decoration:underline;}
.recv .ch-bubble{border-radius:18px 18px 18px 4px;background:#e2e8f8;color:#151c27;border:1px solid rgba(198,197,215,.2);box-shadow:0 1px 4px rgba(0,0,0,.05);}
.send .ch-bubble{border-radius:18px 18px 4px 18px;background:#5865f2;color:#fff;box-shadow:0 2px 8px rgba(88,101,242,.3);}
.op .ch-bubble{border-radius:18px 18px 18px 4px;background:#fef3c7;border:1px solid #fde68a;color:#92400e;}
.typing .ch-bubble{border-radius:18px 18px 18px 4px;background:#e2e8f8;color:#454655;font-style:italic;border:1px solid rgba(198,197,215,.2);}
#ch-op-notice{background:rgba(253,230,138,.2);color:#92400e;text-align:center;padding:7px;font-size:11px;border-top:1px solid rgba(253,230,138,.4);display:none;flex-shrink:0;}
.ch-msg-container{padding:10px 14px 8px;background:#fff;flex-shrink:0;border-top:1px solid rgba(198,197,215,.3);}
.ch-msg-inner{display:flex;align-items:center;gap:10px;}
.ch-msgbox{flex:1 1 0;min-width:0;display:flex;align-items:center;background:#f0f3ff;border:1px solid rgba(198,197,215,.5);padding:9px 16px;border-radius:9999px;overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.ch-msgbox:focus-within{border-color:#5865f2;box-shadow:0 0 0 3px rgba(88,101,242,.1);}
#ch-inp{flex:1;min-width:0;color:#151c27;background:none;border:none;outline:none;box-shadow:none;font-size:14px;-webkit-appearance:none;}
#ch-inp::placeholder{color:rgba(69,70,85,.45);}
.ch-send-btn{width:42px;height:42px;min-width:42px;border-radius:50%;background:#5865f2;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;transition:transform .2s,box-shadow .2s;box-shadow:0 2px 8px rgba(88,101,242,.3);}
.ch-send-btn:hover{transform:scale(1.08);box-shadow:0 4px 12px rgba(88,101,242,.45);}
.ch-send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}
.ch-footer-note{text-align:center;font-size:10px;color:rgba(69,70,85,.35);letter-spacing:.08em;text-transform:uppercase;padding:6px 0 2px;margin:0;}