#chat-widget-button{position:fixed;bottom:20px;right:20px;z-index:9998;display:flex;align-items:center;gap:8px;padding:12px 24px 12px 20px;background:#2196f3;color:#fff;border:none;border-radius:100px;cursor:pointer;font-weight:500;font-size:14px;box-shadow:0 4px 12px #2196f34d;transition:all .3s ease}#chat-widget-button:hover{background:#1976d2;transform:translateY(-2px);box-shadow:0 6px 16px #2196f366}#chat-widget-button i{font-size:20px}@keyframes bounceIn{0%{opacity:0;transform:scale(.3) translate3d(0,100px,0)}50%{opacity:.9;transform:scale(1.1)}80%{opacity:1;transform:scale(.89)}to{opacity:1;transform:scale(1) translateZ(0)}}#chat-widget-button{animation:bounceIn .6s cubic-bezier(.68,-.55,.265,1.55)}.chat-widget-container{position:fixed;bottom:90px;right:20px;width:360px;height:600px;background:#fff;border-radius:12px;border:1px solid rgba(0,0,0,.1);box-shadow:0 4px 20px #00000026;display:flex;flex-direction:column;z-index:9999;overflow:hidden}.chat-widget-header{padding:16px;background:#2196f3;color:#fff;border-radius:12px 12px 0 0;display:flex;justify-content:space-between;align-items:center}.chat-widget-title{font-weight:700;font-size:16px}.chat-widget-close{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:0 4px}.chat-widget-messages{flex:1;padding:16px;overflow-y:auto;overflow-x:hidden;word-break:break-word}.chat-widget-message{margin-bottom:12px;max-width:80%;padding:8px 12px;border-radius:12px;position:relative;word-wrap:break-word}.chat-widget-message.user{background:#e3f2fd;margin-left:auto;border-bottom-right-radius:4px}.chat-widget-message.assistant{background:#f5f5f5;margin-right:auto;border-bottom-left-radius:4px}.chat-widget-message.system{background:#fff3e0;margin:8px auto;max-width:90%;text-align:center;font-size:.9em;color:#e65100}.chat-widget-input{padding:16px;border-top:1px solid #EEEEEE;position:relative;min-height:72px;background:#fff}.input-group{position:relative;display:flex;align-items:center;gap:8px;background:#fff;padding:8px;border-radius:24px;border:1px solid #E0E0E0}.chat-widget-input textarea{width:calc(100% - 50px);padding:8px 40px 8px 12px;border:none;border-radius:20px;resize:none;height:40px;line-height:20px;font-size:14px;max-height:100px;overflow-y:auto;outline:none}.chat-widget-input textarea:focus{outline:none;border-color:#2196f3}.chat-widget-send{display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:none;border-radius:50%;background:#2196f3;color:#fff;cursor:pointer;transition:background-color .3s}.chat-widget-send:hover{background:#1976d2}.chat-widget-send i{font-size:16px}.chat-widget-typing{position:absolute;bottom:70px;left:24px;padding:8px 16px;background:#f5f5f5;border-radius:12px;display:flex;align-items:center;gap:4px}.chat-widget-typing .dot{width:8px;height:8px;background:#9e9e9e;border-radius:50%;animation:typing 1.4s infinite}.chat-widget-typing .dot:nth-child(2){animation-delay:.2s}.chat-widget-typing .dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.chat-widget-file-upload{position:absolute;bottom:70px;left:16px;right:16px;padding:12px;background:#fff;border:2px dashed #E0E0E0;border-radius:8px;text-align:center;display:none}.chat-widget-file-upload.dragover{background:#f5f5f5;border-color:#2196f3}.chat-widget-file-list{margin-top:8px}.chat-widget-file-item{display:flex;align-items:center;justify-content:space-between;padding:4px 8px;background:#f5f5f5;border-radius:4px;margin-bottom:4px}.chat-widget-file-name{font-size:12px;color:#666}.chat-widget-file-remove{background:none;border:none;color:#f44336;cursor:pointer;padding:2px}@media (max-width: 480px){.chat-widget-container{right:0;bottom:0;width:100%;height:100%;border-radius:0}.chat-widget-header{border-radius:0}#chat-widget-button{bottom:16px;right:16px;padding:10px 20px;font-size:13px}#chat-widget-button i{font-size:18px}}.chat-widget-categories{padding:15px}.category-title{margin-bottom:10px;font-weight:700;text-align:center}.category-button{display:block;width:100%;padding:10px;margin:5px 0;background:#f0f0f0;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s}.category-button:hover{background:#e0e0e0}.category-button{background:#2196f3;color:#fff;border:none;padding:12px;margin:5px 0;border-radius:8px;cursor:pointer;width:100%;text-align:left;transition:background-color .3s}.category-button:hover{background:#1976d2}.faq-button{background:#f0f9ff;border:1px solid #ccc;padding:10px;margin:5px 0;border-radius:8px;cursor:pointer;width:100%;text-align:left;transition:background-color .3s}.faq-button:hover{background:#e3f2fd}.agent-button{background:#ff4081;color:#fff;border:none;padding:12px;margin:15px 0 5px;border-radius:8px;cursor:pointer;width:100%;text-align:left;transition:background-color .3s}.agent-button:hover{background:#f50057}.category-button,.faq-button,.agent-button{max-width:100%;white-space:normal;word-wrap:break-word}.back-button{background:#757575;color:#fff;border:none;padding:8px 16px;margin:5px 0;border-radius:8px;cursor:pointer;transition:background-color .3s}.back-button:hover{background:#616161}