.nfdn-ai-root{position:fixed;right:20px;bottom:105px;z-index:1000000;font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
.nfdn-ai-launch{border:0;border-radius:999px;padding:13px 18px;font-weight:700;font-size:16px;cursor:pointer;box-shadow:0 8px 28px rgba(0,0,0,.22);background:#0b4a8b;color:#fff}
.nfdn-ai-launch:focus,.nfdn-ai-panel button:focus,.nfdn-ai-panel input:focus,.nfdn-ai-action:focus{outline:3px solid #ffbf47;outline-offset:2px}
.nfdn-ai-panel{position:absolute;right:0;bottom:64px;width:min(380px,calc(100vw - 28px));max-height:min(640px,72vh);background:#fff;color:#17202a;border:2px solid #0b4a8b;border-radius:16px;box-shadow:0 16px 44px rgba(0,0,0,.28);overflow:hidden;display:flex;flex-direction:column}
.nfdn-ai-header{display:flex;justify-content:space-between;align-items:center;background:#0b4a8b;color:#fff;padding:14px 16px}
.nfdn-ai-sub{font-size:12px;opacity:.9;margin-top:2px}
.nfdn-ai-icon{border:0;background:transparent;color:#fff;font-size:26px;cursor:pointer}
.nfdn-ai-lang{display:flex;gap:8px;padding:10px 12px;border-bottom:1px solid #ddd}
.nfdn-ai-lang button,.nfdn-ai-quick button{border:1px solid #0b4a8b;border-radius:999px;background:#fff;color:#0b4a8b;padding:8px 11px;cursor:pointer;min-height:44px}
.nfdn-ai-lang button.is-active{background:#0b4a8b;color:#fff}
.nfdn-ai-messages{padding:14px;overflow:auto;min-height:210px;background:#f7f9fc}
.nfdn-ai-msg{display:flex;flex-direction:column;margin:8px 0;max-width:88%}
.nfdn-ai-msg.user{margin-left:auto;align-items:flex-end}
.nfdn-ai-msg.bot{margin-right:auto;align-items:flex-start}
.nfdn-ai-bubble{white-space:pre-line;padding:10px 12px;border-radius:14px;line-height:1.45;background:#fff;border:1px solid #d8e1ea}
.nfdn-ai-msg.user .nfdn-ai-bubble{background:#0b4a8b;color:#fff;border-color:#0b4a8b}
.nfdn-ai-action{margin-top:6px;display:inline-block;font-weight:700;color:#0b4a8b;text-decoration:underline}
.nfdn-ai-quick{display:flex;gap:6px;flex-wrap:wrap;padding:10px 12px;border-top:1px solid #ddd}
.nfdn-ai-form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid #ddd}
.nfdn-ai-form input{flex:1;min-width:0;border:1px solid #657786;border-radius:9px;padding:10px;font-size:15px}
.nfdn-ai-form button{border:0;border-radius:9px;background:#0b4a8b;color:#fff;font-weight:700;padding:0 14px;cursor:pointer;min-height:44px}
.nfdn-ai-note{font-size:11px;padding:0 12px 10px;color:#4b5563}
@media(max-width:520px){
  .nfdn-ai-root{right:10px;bottom:100px}
  .nfdn-ai-panel{position:fixed;left:10px;right:10px;bottom:164px;width:auto;max-height:68vh}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}