.rh-bubble{position:fixed;bottom:12px;right:12px;background:#111;color:#fff;padding:12px 14px;border-radius:999px;box-shadow:0 8px 24px rgba(0,0,0,.18);cursor:pointer;z-index:99999;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.rh-chat-wrapper{position:fixed;bottom:84px;right:12px;width:360px;max-width:94vw;background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;box-shadow:0 12px 36px rgba(0,0,0,.18);display:none;z-index:99999;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;max-height:80vh;display:none;flex-direction:column}
.rh-chat-wrapper.open{display:flex}
.rh-header{padding:10px 12px;font-weight:600;background:#f8fafc;border-bottom:1px solid #eee;position:relative}
.rh-close{position:absolute;right:8px;top:1px;border:0;background:transparent;font-size:30px;cursor:pointer;color:#000}
.rh-messages{flex:1 1 auto;height:320px;overflow:auto;padding:12px;background:#fff}
.rh-row{margin:8px 0;display:flex}
.rh-row.user{justify-content:flex-end}
.rh-bubble-msg{max-width:78%;padding:10px 12px;border-radius:12px;border:1px solid #eee;background:#f9fafb}
.rh-row.user .rh-bubble-msg{background:#111;color:#fff;border-color:#111}
.rh-form{display:flex;gap:8px;padding:12px;border-top:1px solid #eee}
.rh-input{flex:1;padding:10px;border:1px solid #ddd;border-radius:8px}
.rh-send{padding:10px 14px;border:0;background:#111;color:#fff;border-radius:8px;cursor:pointer}
.rh-quick{display:flex;flex-wrap:wrap;gap:8px;padding:8px 12px;border-top:1px solid #eee;background:#fff;position:sticky;bottom:0}
.rh-quick button{border:1px solid #e5e7eb;background:#fff;border-radius:999px;padding:6px 10px;cursor:pointer;color:#111}
.rh-quick button.primary{background:#0d6efd;border-color:#0d6efd;color:#fff}
@media (max-width: 768px){
  .rh-chat-wrapper{left:8px;right:8px;bottom:72px;width:auto}
  .rh-bubble{right:8px;bottom:8px}
}