.chat-admin{display:flex;flex-direction:column;height:calc(100vh - 64px);background:#f5f5f5}.chat-admin-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:#fff;border-bottom:1px solid #E0E0E0}.chat-admin-title{display:flex;align-items:center;gap:12px}.chat-admin-title h1{margin:0;font-size:24px;font-weight:600;color:#212121}.chat-admin-title .unread-badge{background:#e53935;color:#fff;padding:4px 10px;border-radius:12px;font-size:13px;font-weight:600}.chat-admin-controls{display:flex;align-items:center;gap:16px}.connection-status{font-size:13px;color:#757575}.connection-status.connected{color:#2e7d32}.online-toggle{padding:8px 16px;border-radius:20px;border:none;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.online-toggle.online{background:#e8f5e9;color:#2e7d32}.online-toggle.offline{background:#ffebee;color:#c62828}.chat-admin-body{display:grid;grid-template-columns:280px 1fr 260px;flex:1;overflow:hidden}.chat-sessions-panel{background:#fff;border-right:1px solid #E0E0E0;display:flex;flex-direction:column;overflow:hidden}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid #E0E0E0}.panel-header h3{margin:0;font-size:14px;font-weight:600;color:#424242;text-transform:uppercase;letter-spacing:.5px}.refresh-btn{background:none;border:none;cursor:pointer;font-size:16px;padding:4px;border-radius:4px}.refresh-btn:hover{background:#f5f5f5}.sessions-list{flex:1;overflow-y:auto}.session-item{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;border-bottom:1px solid #F5F5F5;transition:background .2s}.session-item:hover{background:#f5f5f5}.session-item.active{background:#e8f5e9;border-left:3px solid #2E7D32}.session-item.waiting{background:#fff8e1}.session-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#2e7d32,#1b5e20);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px;flex-shrink:0}.session-info{flex:1;min-width:0}.session-name{font-size:14px;font-weight:500;color:#212121;display:flex;align-items:center;gap:8px}.msg-badge{background:#e53935;color:#fff;font-size:11px;padding:2px 6px;border-radius:10px}.session-preview{font-size:12px;color:#757575;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.session-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.status-dot{width:8px;height:8px;border-radius:50%}.status-dot.waiting{background:#ffc107}.status-dot.active{background:#4caf50}.status-dot.closed{background:#9e9e9e}.session-time{font-size:11px;color:#9e9e9e}.chat-main-panel{display:flex;flex-direction:column;background:#fafafa;overflow:hidden}.chat-panel-header{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:#fff;border-bottom:1px solid #E0E0E0}.visitor-info{display:flex;align-items:center;gap:12px}.visitor-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#ffc107,#ffb300);color:#212121;display:flex;align-items:center;justify-content:center;font-weight:600}.visitor-info h4{margin:0;font-size:14px;font-weight:600;color:#212121}.visitor-info p{margin:2px 0 0;font-size:12px;color:#757575}.close-session-btn{padding:8px 16px;background:#ffebee;color:#c62828;border:none;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.close-session-btn:hover{background:#ffcdd2}.chat-messages-area{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.chat-message{max-width:70%;display:flex;flex-direction:column}.chat-message.visitor{align-self:flex-start}.chat-message.admin{align-self:flex-end}.chat-message.bot{align-self:flex-start}.message-content{padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.4}.chat-message.visitor .message-content{background:#fff;color:#212121;border:1px solid #E0E0E0;border-bottom-left-radius:4px}.chat-message.admin .message-content{background:linear-gradient(135deg,#2e7d32,#388e3c);color:#fff;border-bottom-right-radius:4px}.chat-message.bot .message-content{background:#e3f2fd;color:#1565c0;border-bottom-left-radius:4px}.bot-label{display:block;font-size:11px;margin-bottom:4px;opacity:.8}.message-time{font-size:10px;color:#9e9e9e;margin-top:4px;padding:0 4px}.chat-message.admin .message-time{text-align:right}.chat-input-area{display:flex;gap:12px;padding:16px 20px;background:#fff;border-top:1px solid #E0E0E0}.chat-input-area input{flex:1;padding:12px 16px;border:1px solid #E0E0E0;border-radius:8px;font-size:14px;outline:none;transition:border-color .2s}.chat-input-area input:focus{border-color:#2e7d32}.send-btn{padding:12px 24px;background:linear-gradient(135deg,#2e7d32,#1b5e20);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.send-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #2e7d324d}.send-btn:disabled{background:#bdbdbd;cursor:not-allowed;transform:none;box-shadow:none}.attach-btn{padding:12px 16px;background:#f5f5f5;border:1px solid #E0E0E0;border-radius:8px;font-size:18px;cursor:pointer;transition:all .2s}.attach-btn:hover{background:#e8f5e9;border-color:#2e7d32}.quick-replies-panel{background:#fff;border-left:1px solid #E0E0E0;display:flex;flex-direction:column;overflow:hidden}.visitor-detail{padding:16px;border-bottom:1px solid #E0E0E0}.visitor-detail h4{margin:0 0 12px;font-size:13px;font-weight:600;color:#424242;text-transform:uppercase;letter-spacing:.5px}.visitor-detail p{margin:6px 0;font-size:13px;color:#616161}.status-label{font-weight:500}.status-label.waiting{color:#f57c00}.status-label.active{color:#2e7d32}.status-label.closed{color:#757575}.quick-reply-list{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.quick-reply-btn{padding:10px 12px;background:#f5f5f5;border:1px solid #E0E0E0;border-radius:8px;font-size:13px;color:#424242;text-align:left;cursor:pointer;transition:all .2s}.quick-reply-btn:hover{background:#e8f5e9;border-color:#2e7d32;color:#2e7d32}.loading,.empty-state,.no-chat-selected{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center;color:#757575}.empty-state span,.no-chat-selected span{font-size:48px;margin-bottom:16px;opacity:.5}.no-chat-selected h3{margin:0 0 8px;font-size:18px;color:#424242}.no-chat-selected p{margin:0;font-size:14px}.back-to-list-btn{display:none;background:none;border:none;font-size:14px;font-weight:500;color:#1976d2;cursor:pointer;margin-right:8px;padding:4px 8px}@media(max-width:1024px){.chat-admin-body{grid-template-columns:240px 1fr}.quick-replies-panel{display:none}}@media(max-width:768px){.chat-admin-body{grid-template-columns:1fr;position:relative}.chat-sessions-panel{display:none;width:100%;height:100%;position:absolute;top:0;left:0;z-index:10}.chat-admin.show-sessions .chat-sessions-panel{display:flex}.chat-main-panel{width:100%;height:100%}.back-to-list-btn{display:block}.no-chat-selected{display:none}}