#chat-widget,#chat-widget *{box-sizing:border-box}#chat-widget{position:fixed;bottom:20px;right:20px;width:600px;height:600px;background:#fff;border-radius:12px;box-shadow:0 10px 35px #00000040;display:none;flex-direction:column;z-index:9999;overflow:hidden;border:1px solid #e2e6ea;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;resize:both;min-width:340px;min-height:400px;max-width:95vw;max-height:90vh;opacity:0;transform:translateY(24px) scale(.95);transition:opacity .22s ease,transform .22s ease,box-shadow .2s}#chat-widget.chat-visible{opacity:1;transform:translateY(0) scale(1)}#chat-widget.minimized{width:270px!important;height:56px!important;min-width:0;min-height:0;resize:none;cursor:pointer;border-radius:30px;box-shadow:0 6px 18px #00000038}#chat-widget.minimized #chat-body{display:none}#chat-widget.minimized #chat-header{border-radius:30px;height:100%;padding:0 10px 0 18px}#chat-widget.minimized #chat-header h5{font-size:14.5px}#chat-header{position:relative;background:linear-gradient(135deg,#0d6efd,#0b5ed7);color:#fff;padding:13px 16px;cursor:grab;display:flex;justify-content:space-between;align-items:center;-webkit-user-select:none;-moz-user-select:none;user-select:none;flex-shrink:0}#chat-header h5{margin:0;font-size:15.5px;font-weight:600;display:flex;align-items:center;gap:8px;letter-spacing:.2px;position:relative}#chat-header-actions{display:flex;align-items:center;gap:6px}#chat-header-actions .chat-icon-btn{cursor:pointer;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:background .15s}#chat-header-actions .chat-icon-btn:hover{background:#ffffff2e}.chat-header-badge{position:absolute;top:-8px;left:10px;background:#25d366;color:#fff;border-radius:50%;min-width:18px;height:18px;padding:0 4px;font-size:10.5px;font-weight:700;display:none;align-items:center;justify-content:center;border:2px solid #0b5ed7;z-index:2;pointer-events:none}#chat-body{display:flex;flex:1;overflow:hidden;position:relative;min-height:0}#chat-sidebar{width:38%;min-width:160px;max-width:260px;flex-shrink:0;background:#f7f8fa;border-right:1px solid #e7e9ec;display:flex;flex-direction:column;min-height:0}#chat-sidebar-header{padding:12px 14px;background:#fff;display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:12.5px;letter-spacing:.4px;color:#5b6470;border-bottom:1px solid #e7e9ec;flex-shrink:0}.chat-search-btn{background:#eef2f7;border:none;color:#0d6efd;width:30px;height:30px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .1s;flex-shrink:0}.chat-search-btn:hover{background:#dfe9f7}.chat-search-btn:active{transform:scale(.94)}#chat-users-list{flex:1;overflow-y:auto;min-height:0}.chat-user-item{padding:11px 12px;border-bottom:1px solid #edeff2;cursor:pointer;font-size:13.5px;font-weight:500;color:#333;transition:background .15s;display:flex;justify-content:space-between;align-items:center;gap:8px;min-width:0;border-left:3px solid transparent}.chat-user-item:hover{background:#eef1f5}.chat-user-item.active{background:#e7f0ff;border-left:3px solid #0d6efd}.chat-user-item .chat-user-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-badge{background:#25d366;color:#fff;border-radius:50%;min-width:20px;height:20px;padding:0 5px;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}#chat-messages-area{flex:1;min-width:0;display:flex;flex-direction:column;background:#e9eef2;background-image:radial-gradient(circle at 1px 1px,rgba(13,110,253,.05) 1px,transparent 0);background-size:22px 22px}#chat-active-header{padding:11px 16px;background:#fff;border-bottom:1px solid #e7e9ec;font-size:14px;font-weight:600;color:#2b2f33;display:none;align-items:center;flex-shrink:0;min-width:0}#chat-active-header span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-avatar{width:30px;height:30px;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-right:10px;flex-shrink:0;background:#0d6efd}#chat-messages{flex:1;min-height:0;padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:6px}.chat-message{max-width:82%;padding:7px 11px 8px;border-radius:12px;font-size:13.5px;line-height:1.35;position:relative;box-shadow:0 1px 1.5px #00000014;word-wrap:break-word}.chat-message.sent{align-self:flex-end;background:#d9fdd3;border-bottom-right-radius:3px}.chat-message.received{align-self:flex-start;background:#fff;border-bottom-left-radius:3px}.chat-message-text{white-space:pre-wrap}.chat-message-meta{display:flex;justify-content:flex-end;align-items:center;gap:4px;font-size:10.5px;color:#0000006b;margin-top:2px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.msg-status{display:inline-flex;color:#8b9096}.msg-status.read{color:#34b7f1}#chat-input-area{padding:10px 12px;background:#fff;border-top:1px solid #e7e9ec;display:flex;gap:8px;align-items:center;flex-shrink:0}#chat-input-area input{flex:1;min-width:0;border:1px solid #dde1e6;background:#f5f6f8;padding:10px 15px;border-radius:20px;outline:none;font-size:14px}#chat-input-area input:focus{border-color:#0d6efd;background:#fff}#chat-input-area button{background:#0d6efd;color:#fff;border:none;border-radius:50%;width:38px;height:38px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .1s;flex-shrink:0}#chat-input-area button:hover{background:#0b5ed7}#chat-input-area button:active{transform:scale(.92)}#chat-search-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#fff;z-index:10;display:none;flex-direction:column}#chat-search-header{padding:12px;background:linear-gradient(135deg,#0d6efd,#0b5ed7);color:#fff;display:flex;align-items:center;gap:10px;flex-shrink:0}#chat-search-header .chat-icon-btn{cursor:pointer;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:background .15s;flex-shrink:0}#chat-search-header .chat-icon-btn:hover{background:#ffffff2e}#chat-search-input{flex:1;min-width:0;border:none;border-radius:20px;padding:7px 15px;outline:none;font-size:14px}#chat-search-results{flex:1;overflow-y:auto;min-height:0}#chat-fab{position:fixed;bottom:20px;right:20px;width:58px;height:58px;background:linear-gradient(135deg,#0d6efd,#0b5ed7);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 14px #0d6efd73;z-index:9998;transition:transform .15s,opacity .18s}#chat-fab:hover{transform:scale(1.06)}.fab-badge{position:absolute;top:-4px;right:-4px;background:#25d366;color:#fff;border-radius:50%;min-width:22px;height:22px;padding:0 5px;font-size:12px;font-weight:700;display:none;align-items:center;justify-content:center;border:2px solid #fff}.chat-filter-btn{background:#eef2f7;color:#5b6470;border:1px solid transparent;border-radius:12px;padding:5px 12px;font-size:11.5px;font-weight:600;cursor:pointer;transition:all .2s ease-in-out}.chat-filter-btn:hover{background:#dfe9f7}.chat-filter-btn.active{background:#0d6efd;color:#fff;box-shadow:0 2px 5px #0d6efd4d}@keyframes badgeBlink{0%{transform:scale(1);box-shadow:0 0 #25d366b3}50%{transform:scale(1.1);box-shadow:0 0 0 6px #25d36600}to{transform:scale(1);box-shadow:0 0 #25d36600}}.chat-badge,.chat-header-badge,.fab-badge{animation:badgeBlink 1.5s infinite!important}