.upne-chat{position:fixed;bottom:18px;z-index:9998;font-family:system-ui,-apple-system,Segoe UI,sans-serif}
.upne-chat-right{right:18px}
.upne-chat-left{left:18px}
.upne-chat-toggle{width:52px;height:52px;border:0;border-radius:50%;background:#c81e1e;color:#fff;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.25);display:flex;align-items:center;justify-content:center}
.upne-chat-tip{position:absolute;bottom:10px;background:#0b1c2c;color:#fff;padding:8px 28px 8px 12px;border-radius:8px;font-size:.85rem;white-space:nowrap;box-shadow:0 4px 12px rgba(0,0,0,.2);animation:upneTip 2s ease-in-out infinite;display:flex;align-items:center;cursor:pointer}
.upne-chat-right .upne-chat-tip{right:62px}
.upne-chat-left .upne-chat-tip{left:62px}
.upne-chat-tip[hidden]{display:none}
.upne-chat-tip button{position:absolute;top:2px;right:4px;background:none;border:0;color:#fff;font-size:16px;line-height:1;cursor:pointer;padding:2px 4px}
@keyframes upneTip{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.upne-chat-panel{position:absolute;bottom:64px;width:min(360px,calc(100vw - 28px));background:#fff;color:#111;border-radius:12px;box-shadow:0 12px 32px rgba(0,0,0,.22);overflow:hidden;display:flex;flex-direction:column;max-height:70vh}
.upne-chat-right .upne-chat-panel{right:0}
.upne-chat-left .upne-chat-panel{left:0}
.upne-chat-panel[hidden]{display:none}
.upne-chat-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;background:#0b1c2c;color:#fff}
.upne-chat-head button{background:none;border:0;color:#fff;font-size:22px;cursor:pointer;line-height:1}
.upne-chat-messages{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:10px;background:#f6f3ee;min-height:180px}
.upne-chat-msg{font-size:.92rem;line-height:1.4}
.upne-chat-user{align-self:flex-end;background:#c81e1e;color:#fff;padding:8px 12px;border-radius:12px 12px 4px 12px;max-width:80%}
.upne-chat-bot{align-self:stretch}
.upne-chat-card{display:flex;gap:10px;background:#fff;padding:8px;border-radius:8px;text-decoration:none;color:inherit;margin-top:8px;border:1px solid #eee}
.upne-chat-card img,.upne-chat-ph{width:64px;height:64px;object-fit:cover;border-radius:6px;flex:0 0 64px;background:#ddd}
.upne-chat-card strong{display:block;font-size:.92rem}
.upne-chat-card em{display:block;font-size:.75rem;color:#666;font-style:normal;margin:2px 0}
.upne-chat-form{display:flex;gap:6px;padding:10px;border-top:1px solid #eee;background:#fff}
.upne-chat-form input{flex:1;border:1px solid #ddd;border-radius:8px;padding:10px}
.upne-chat-form button{background:#0b1c2c;color:#fff;border:0;border-radius:8px;padding:0 14px;cursor:pointer}
@media(max-width:480px){.upne-chat-panel{width:calc(100vw - 28px)}}