.chat-fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#0077b5 0,#005885 100%);color:#fff;border:none;font-size:1.4rem;cursor:pointer;box-shadow:0 4px 16px rgba(0,119,181,.4);z-index:9999;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.chat-fab:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(0,119,181,.5)}.chat-fab.active{background:linear-gradient(135deg,#005885 0,#003d5c 100%)}.chat-fab-badge{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;background:#f44;color:#fff;border-radius:10px;font-size:.7rem;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid #fff;animation:chat-badge-pulse 2s infinite}@keyframes chat-badge-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}.chat-fab.chat-fab--nav{display:none!important}.chat-widget--nav .chat-panel{bottom:20px;right:12px}.chat-panel{position:fixed;bottom:90px;right:24px;width:380px;max-height:520px;background:#fff;border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,.18);z-index:9998;display:flex;flex-direction:column;overflow:hidden;animation:chatPanelSlideIn .25s ease-out}@keyframes chatPanelSlideIn{from{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:linear-gradient(135deg,#0077b5 0,#005885 100%);color:#fff}.chat-panel-header h3{font-size:1rem;display:flex;align-items:center;gap:8px;margin:0}.chat-panel-close{background:rgba(255,255,255,.2);border:none;color:#fff;font-size:1.2rem;width:30px;height:30px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.chat-panel-close:hover{background:rgba(255,255,255,.3)}.chat-panel-list{flex:1;overflow-y:auto;max-height:420px}.chat-list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;border-bottom:1px solid #f0f0f0;transition:background .15s;position:relative}.chat-list-item:hover{background:#f5f9ff}.chat-list-item.unread{background:#eef6ff}.chat-list-avatar{width:44px;height:44px;min-width:44px;border-radius:50%;background:#e8e8e8;display:flex;align-items:center;justify-content:center;color:#999;font-size:1.1rem;overflow:hidden}.chat-list-avatar-img{width:100%;height:100%;object-fit:cover;border-radius:50%}.chat-list-info{flex:1;min-width:0}.chat-list-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.chat-list-name{font-weight:600;font-size:.92rem;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-list-time{font-size:.75rem;color:#999;white-space:nowrap}.chat-list-bottom{margin-top:2px}.chat-list-job{font-size:.78rem;color:#0077b5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}.chat-list-preview{font-size:.82rem;color:#888;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-list-item.unread .chat-list-preview{color:#333;font-weight:500}.chat-list-unread-badge{background:#0077b5;color:#fff;border-radius:10px;padding:2px 7px;font-size:.72rem;font-weight:700;min-width:20px;text-align:center}.chat-conversation{display:flex;flex:1;flex-direction:column;max-height:calc(520px - 52px)}.chat-conv-header{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid #eee;background:#fafafa}.chat-back-btn{background:0 0;border:none;font-size:1rem;color:#0077b5;cursor:pointer;padding:4px 8px;border-radius:8px;transition:background .2s}.chat-back-btn:hover{background:#e8f4fd}.chat-conv-info{display:flex;flex-direction:column}.chat-conv-name{font-weight:600;font-size:.92rem;color:#333}.chat-conv-job{font-size:.78rem;color:#0077b5}.chat-messages{flex:1;overflow-y:auto;padding:12px 14px;background:#f5f7fa;display:flex;flex-direction:column;gap:6px;min-height:200px;max-height:320px}.chat-msg{display:flex;max-width:80%}.chat-msg.mine{align-self:flex-end}.chat-msg.theirs{align-self:flex-start}.chat-msg-bubble{padding:8px 12px;border-radius:14px;position:relative;word-break:break-word}.chat-msg.mine .chat-msg-bubble{background:linear-gradient(135deg,#0077b5,#0090d9);color:#fff;border-bottom-right-radius:4px}.chat-msg.theirs .chat-msg-bubble{background:#fff;color:#333;border-bottom-left-radius:4px;border:1px solid #e8e8e8}.chat-msg-bubble p{margin:0;font-size:.88rem;line-height:1.4}.chat-msg-time{display:block;font-size:.68rem;margin-top:4px;opacity:.7;text-align:right}.chat-msg.theirs .chat-msg-time{color:#999}.chat-input-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-top:1px solid #eee;background:#fff}.chat-input-bar input{flex:1;padding:8px 14px;border:1px solid #ddd;border-radius:20px;font-size:.88rem;outline:0;transition:border-color .2s;font-family:inherit}.chat-input-bar input:focus{border-color:#0077b5}.chat-send-btn{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#0077b5,#005885);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.9rem;transition:all .2s}.chat-send-btn:hover{transform:scale(1.05);box-shadow:0 2px 8px rgba(0,119,181,.3)}.chat-loading{text-align:center;padding:2rem;color:#999;font-size:.9rem}.chat-empty{text-align:center;padding:2.5rem 1.5rem;color:#999}.chat-empty i{font-size:2rem;margin-bottom:10px;display:block;color:#ccc}.chat-empty p{margin:0;font-weight:500;color:#666}.chat-empty small{display:block;margin-top:6px;font-size:.8rem;color:#aaa}.chat-empty-messages{text-align:center;padding:3rem 1rem;color:#ccc}.chat-empty-messages i{font-size:2rem;margin-bottom:8px;display:block}.chat-empty-messages p{margin:0;font-size:.88rem;color:#999}.chat-toast{position:fixed;top:80px;right:20px;z-index:10001;animation:chatToastIn .3s ease-out}.chat-toast.hiding{animation:chatToastOut .3s ease-in forwards}@keyframes chatToastIn{from{opacity:0;transform:translateX(100%)}to{opacity:1;transform:translateX(0)}}@keyframes chatToastOut{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(100%)}}.chat-toast-content{display:flex;align-items:center;gap:10px;background:#0077b5;color:#fff;padding:12px 18px;border-radius:12px;box-shadow:0 4px 20px rgba(0,119,181,.35);cursor:pointer;transition:transform .2s;font-size:.9rem;font-weight:500}.chat-toast-content:hover{transform:scale(1.02)}.chat-toast-close{background:rgba(255,255,255,.2);border:none;color:#fff;font-size:1.1rem;cursor:pointer;padding:0;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-left:6px}.app-chat-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;background:#0077b5;color:#fff;border:none;border-radius:6px;font-size:.8rem;cursor:pointer;transition:all .2s;font-weight:500}.app-chat-btn:hover{background:#005885;transform:translateY(-1px)}.app-chat-btn.disabled{background:#ccc;cursor:not-allowed;pointer-events:none}.app-chat-btn i{font-size:.85rem}@media (max-width:480px){.chat-panel{bottom:0;right:0;left:0;width:100%;max-height:100vh;border-radius:16px 16px 0 0}.chat-fab{bottom:16px;right:16px;width:50px;height:50px;font-size:1.2rem}.chat-messages{max-height:calc(100vh - 200px)}}@media (max-width:768px){.chat-widget--nav .chat-panel{bottom:12px;right:8px;max-height:min(520px,calc(100vh - 64px))}.chat-panel{width:340px}}.feedback-chat-item{border-top:2px solid #f0f0f0;background:linear-gradient(135deg,#f0f7ff 0,#faf5ff 100%);transition:background .2s}.feedback-chat-item:hover{background:linear-gradient(135deg,#e3efff 0,#f0e8ff 100%)!important}.feedback-avatar{background:linear-gradient(135deg,#6c63ff 0,#0077b5 100%)!important;color:#fff!important;font-size:1.1rem!important}.feedback-avatar i{color:#fff!important}.feedback-arrow{color:#aaa;font-size:.8rem;display:flex;align-items:center}.feedback-buttons{display:flex;gap:12px;justify-content:center;padding:12px 0;animation:feedbackBtnsIn .3s ease-out}@keyframes feedbackBtnsIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.feedback-btn{padding:10px 28px;border:none;border-radius:24px;font-size:.92rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s ease;font-family:inherit}.feedback-btn-yes{background:linear-gradient(135deg,#28a745 0,#20c997 100%);color:#fff;box-shadow:0 3px 12px rgba(40,167,69,.3)}.feedback-btn-yes:hover{transform:translateY(-2px);box-shadow:0 5px 18px rgba(40,167,69,.4)}.feedback-btn-no{background:linear-gradient(135deg,#ff6b6b 0,#ee5a24 100%);color:#fff;box-shadow:0 3px 12px rgba(255,107,107,.3)}.feedback-btn-no:hover{transform:translateY(-2px);box-shadow:0 5px 18px rgba(255,107,107,.4)}.feedback-system-bubble{background:linear-gradient(135deg,#f0f0f5 0,#e8e8f0 100%)!important;color:#444!important;border:none!important;border-bottom-left-radius:4px}.feedback-system-bubble p{font-size:.9rem!important;line-height:1.5!important}