#btn_wa{position:fixed;bottom:18px;right:30px;width:56px;height:56px;border-radius:50%;background:#000;color:#fff;border:none;-webkit-box-shadow:0 6px 18px rgba(0,0,0,.2);box-shadow:0 6px 18px #0003;font-size:22px;cursor:pointer;z-index:2000;-webkit-filter:drop-shadow(0 0 .75rem white);filter:drop-shadow(0 0 .75rem white)}#chatbot-window{position:fixed;bottom:86px;right:18px;width:320px;max-height:420px;background:#fff;border-radius:12px;-webkit-box-shadow:0 12px 36px rgba(0,0,0,.18);box-shadow:0 12px 36px #0000002e;overflow:hidden;display:none;z-index:2000;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial}.chat-header{background:#fab600;color:#000;padding:12px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.chat-title{font-weight:700;font-size:14px}#chat-messages{padding:12px;height:280px;overflow-y:auto;background:#f7f9fc}.message{margin-bottom:12px;max-width:85%;line-height:1.3;padding:10px 12px;border-radius:10px;font-size:14px}.message.bot{background:#e9f1ff;-ms-flex-item-align:start;align-self:flex-start}.message.user{background:#d1ffd6;margin-left:auto;-ms-flex-item-align:end;align-self:flex-end}.chat-input{display:-webkit-box;display:-ms-flexbox;display:flex;padding:10px;border-top:1px solid #eee}#chat-input{-webkit-box-flex:1;-ms-flex:1;flex:1;padding:8px 10px;border-radius:8px;border:1px solid #ddd;outline:none}#chat-send{margin-left:8px;padding:8px 12px;border-radius:8px;border:none;background:#fab600;color:#fff;cursor:pointer}