.upc-ai{position:fixed;right:22px;bottom:22px;z-index:999999;font-family:inherit}
.upc-ai-toggle{border:0;border-radius:999px;background:#0b63ce;color:#fff;padding:13px 18px;font-weight:700;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.upc-ai-panel{position:absolute;right:0;bottom:62px;width:min(390px,calc(100vw - 28px));height:min(620px,calc(100vh - 105px));background:#fff;border:1px solid #d9e2ec;border-radius:18px;overflow:hidden;box-shadow:0 18px 60px rgba(16,42,67,.30);display:flex;flex-direction:column}
.upc-ai-panel[hidden]{display:none!important}
.upc-ai-head{background:#102a43;color:#fff;padding:14px 15px;display:flex;align-items:center;justify-content:space-between}
.upc-ai-head strong,.upc-ai-head small{display:block}.upc-ai-head small{font-size:.72rem;opacity:.8;margin-top:3px}
.upc-ai-close{border:0;background:transparent;color:#fff;font-size:28px;cursor:pointer}
.upc-ai-messages{flex:1;background:#f5f8fc;padding:14px;overflow-y:auto}
.upc-ai-msg{max-width:84%;padding:10px 12px;margin:0 0 10px;border-radius:14px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.4}
.upc-ai-msg.bot{background:#fff;border:1px solid #d9e2ec;color:#243b53;border-bottom-left-radius:5px}
.upc-ai-msg.user{background:#0b63ce;color:#fff;margin-left:auto;border-bottom-right-radius:5px}
.upc-ai-msg.typing{opacity:.65;font-style:italic}.upc-ai-msg.error{background:#fff3f3;color:#8a1c1c;border-color:#efbaba}
.upc-ai-quick{padding:8px 10px 3px;display:flex;gap:6px;overflow-x:auto;border-top:1px solid #d9e2ec}
.upc-ai-quick button{flex:0 0 auto;border:1px solid #d9e2ec;background:#fff;color:#084a9b;border-radius:999px;padding:7px 10px;cursor:pointer;font-size:.78rem}
.upc-ai-form{display:flex;gap:7px;padding:9px 10px;background:#fff}
.upc-ai-form input{flex:1;border:1px solid #d9e2ec;border-radius:10px;padding:11px;font:inherit;min-width:0}
.upc-ai-form button{border:0;background:#0b63ce;color:#fff;border-radius:10px;padding:0 15px;cursor:pointer}
.upc-ai-human{display:block;text-align:center;padding:8px 10px;font-weight:700;color:#0b63ce;text-decoration:none;border-top:1px solid #eef2f6}
.upc-ai-note{padding:0 10px 10px;font-size:.66rem;color:#627d98;text-align:center}
@media(max-width:600px){.upc-ai{right:14px;bottom:14px}.upc-ai-panel{position:fixed;left:8px;right:8px;bottom:76px;width:auto;height:min(70vh,620px)}.upc-ai-toggle span{display:none}.upc-ai-toggle{width:54px;height:54px;padding:0}}