#uca-root{font-family:Arial,Helvetica,sans-serif}
.uca-fab{position:fixed;right:22px;bottom:86px;z-index:99998;border:0;border-radius:999px;background:#ff6b00;color:#fff;padding:13px 18px;box-shadow:0 8px 28px rgba(0,0,0,.22);cursor:pointer;font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}
.uca-robot{font-size:22px}.uca-chat{position:fixed;right:22px;bottom:146px;width:370px;max-width:calc(100vw - 28px);height:560px;max-height:calc(100vh - 105px);background:#fff;border-radius:18px;box-shadow:0 15px 50px rgba(0,0,0,.25);z-index:99999;overflow:hidden;display:none;border:1px solid #e9e9e9}
.uca-chat.open{display:flex;flex-direction:column}.uca-head{background:linear-gradient(135deg,#ff6b00,#ff8a33);color:#fff;padding:17px 18px;display:flex;justify-content:space-between;align-items:center}.uca-title{font-size:18px;font-weight:800}.uca-status{font-size:12px;margin-top:4px;opacity:.95}.uca-status span{display:inline-block;width:7px;height:7px;border-radius:50%;background:#38e36f;margin-right:5px}
.uca-close{background:transparent;border:0;color:#fff;font-size:29px;line-height:1;cursor:pointer}.uca-messages{flex:1;padding:15px;overflow:auto;background:#f7f7f8}.uca-msg{max-width:84%;padding:10px 12px;border-radius:14px;margin:0 0 10px;font-size:14px;line-height:1.45;word-wrap:break-word}.uca-msg.bot{background:#fff;border:1px solid #eee;border-top-left-radius:5px}.uca-msg.user{margin-left:auto;background:#ff6b00;color:#fff;border-top-right-radius:5px}
.uca-quick{display:flex;gap:6px;overflow-x:auto;padding:9px;border-top:1px solid #eee;background:#fff}.uca-quick button{white-space:nowrap;border:1px solid #ddd;background:#fff;border-radius:999px;padding:7px 9px;font-size:11px;cursor:pointer}.uca-quick button:hover{border-color:#ff6b00}
.uca-input-row{display:flex;gap:7px;padding:10px;border-top:1px solid #eee;background:#fff}.uca-input-row input{flex:1;border:1px solid #ddd;border-radius:22px;padding:11px 13px;outline:none;font-size:14px}.uca-input-row input:focus{border-color:#ff6b00}.uca-input-row button{width:43px;border:0;border-radius:50%;background:#ff6b00;color:#fff;font-size:18px;cursor:pointer}
.uca-bottom{padding:0 10px 10px;background:#fff}.uca-bottom button{width:100%;border:0;border-radius:10px;background:#25d366;color:#fff;font-weight:700;padding:10px;cursor:pointer}
@media(max-width:520px){.uca-fab{right:14px;bottom:80px}.uca-chat{right:10px;bottom:145px;width:calc(100vw - 20px);height:calc(100vh - 90px);max-height:none}.uca-fab-text{display:none}}