:root{
  --nexo-blue:#0b2a4a;
  --nexo-blue-2:#123b63;
  --nexo-orange:#e5502a;
  --nexo-ink:#102033;
  --nexo-muted:#64748b;
  --nexo-line:#e2e8f0;
  --nexo-soft:#f6f8fb;
  --nexo-white:#fff;
}
.nexo-root,.nexo-root *{box-sizing:border-box}
.nexo-root{position:fixed;right:22px;bottom:22px;z-index:2147483000;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--nexo-ink)}
.nexo-bubble{display:flex;align-items:center;gap:10px;border:0;background:var(--nexo-orange);color:#fff;padding:12px 16px 12px 12px;border-radius:999px;cursor:pointer;box-shadow:0 18px 40px -18px rgba(229,80,42,.85),0 8px 20px -10px rgba(15,23,42,.35);font:inherit;font-weight:700;font-size:14px;transition:transform .2s,box-shadow .2s}
.nexo-bubble:hover{transform:translateY(-2px);box-shadow:0 22px 46px -18px rgba(229,80,42,.95)}
.nexo-bubble-mark{width:34px;height:34px;border-radius:50%;background:#fff;color:var(--nexo-orange);display:grid;place-items:center;font-weight:900;font-size:16px;letter-spacing:-.03em}
.nexo-bubble-text{white-space:nowrap}
.nexo-panel{position:absolute;right:0;bottom:64px;width:380px;height:580px;max-height:calc(100vh - 120px);background:#fff;border:1px solid var(--nexo-line);border-radius:20px;box-shadow:0 30px 80px -20px rgba(15,23,42,.45);display:flex;flex-direction:column;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(12px) scale(.98);transition:opacity .2s,transform .2s,visibility .2s}
.nexo-panel.is-open{opacity:1;visibility:visible;transform:none}
.nexo-head{display:flex;align-items:center;gap:10px;padding:14px 14px 12px;background:linear-gradient(135deg,var(--nexo-blue),var(--nexo-blue-2));color:#fff}
.nexo-avatar{width:38px;height:38px;border-radius:50%;background:var(--nexo-orange);display:grid;place-items:center;font-weight:900;font-size:17px;flex:none}
.nexo-id{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.nexo-id strong{font-size:15px}
.nexo-id span{font-size:11.5px;color:rgba(255,255,255,.72);margin-top:2px}
.nexo-close{margin-left:auto;border:0;background:rgba(255,255,255,.12);color:#fff;width:32px;height:32px;border-radius:10px;font-size:20px;line-height:1;cursor:pointer}
.nexo-close:hover{background:rgba(255,255,255,.2)}
.nexo-messages{flex:1;overflow-y:auto;padding:16px;background:var(--nexo-soft);display:flex;flex-direction:column;gap:10px}
.nexo-msg{max-width:82%;padding:10px 12px;border-radius:14px;font-size:13.5px;line-height:1.45;white-space:pre-wrap;word-wrap:break-word}
.nexo-msg p{margin:0}
.nexo-msg--assistant{align-self:flex-start;background:#fff;border:1px solid var(--nexo-line);border-bottom-left-radius:5px;color:var(--nexo-ink)}
.nexo-msg--user{align-self:flex-end;background:var(--nexo-blue);color:#fff;border-bottom-right-radius:5px}
.nexo-typing{align-self:flex-start;background:#fff;border:1px solid var(--nexo-line);border-radius:14px;padding:11px 14px;display:flex;gap:4px}
.nexo-typing i{width:6px;height:6px;border-radius:50%;background:#94a3b8;display:block;animation:nexo-bounce 1s infinite}
.nexo-typing i:nth-child(2){animation-delay:.15s}
.nexo-typing i:nth-child(3){animation-delay:.3s}
@keyframes nexo-bounce{0%,80%,100%{transform:translateY(0);opacity:.5}40%{transform:translateY(-4px);opacity:1}}
.nexo-quick{display:flex;flex-wrap:wrap;gap:8px;padding:10px 12px;background:#fff;border-top:1px solid var(--nexo-line);overflow:visible;flex:none}
.nexo-quick button{border:1px solid #cbd5e1;background:#fff;color:var(--nexo-blue);border-radius:999px;padding:7px 11px;font:inherit;font-size:11.5px;font-weight:600;white-space:nowrap;cursor:pointer}
.nexo-quick button:hover{border-color:var(--nexo-orange);color:var(--nexo-orange)}
.nexo-form{display:flex;gap:8px;padding:10px 12px 12px;background:#fff;border-top:1px solid var(--nexo-line);flex:none}
.nexo-input{flex:1;min-width:0;border:1px solid #cbd5e1;border-radius:12px;padding:11px 12px;font:inherit;font-size:13.5px;outline:none}
.nexo-input:focus{border-color:var(--nexo-blue);box-shadow:0 0 0 3px rgba(11,42,74,.1)}
.nexo-form button{border:0;background:var(--nexo-orange);color:#fff;border-radius:12px;padding:0 14px;font:inherit;font-weight:700;font-size:13px;cursor:pointer}
.nexo-form button:disabled{opacity:.6;cursor:wait}
.nexo-contact{padding:14px;background:#fff;border-top:1px solid var(--nexo-line);display:flex;flex-direction:column;gap:8px;overflow-y:auto;flex:none;max-height:290px}
.nexo-contact[hidden],.nexo-quick[hidden],.nexo-form[hidden]{display:none}
.nexo-contact-title{margin:0 0 2px;font-size:13px;font-weight:800;color:var(--nexo-blue)}
.nexo-contact input,.nexo-contact textarea{width:100%;border:1px solid #cbd5e1;border-radius:10px;padding:9px 10px;font:inherit;font-size:13px;outline:none;resize:vertical}
.nexo-contact input:focus,.nexo-contact textarea:focus{border-color:var(--nexo-blue);box-shadow:0 0 0 3px rgba(11,42,74,.1)}
.nexo-contact button{border:0;background:var(--nexo-orange);color:#fff;border-radius:10px;padding:10px 12px;font:inherit;font-weight:800;font-size:13px;cursor:pointer}
.nexo-note{margin:0;font-size:10.5px;line-height:1.4;color:var(--nexo-muted)}
.nexo-foot{padding:7px 12px 9px;text-align:center;font-size:10.5px;color:#94a3b8;background:#fff;border-top:1px solid var(--nexo-line);flex:none}
@media (max-width:520px){
  .nexo-root{right:12px;bottom:12px;left:12px}
  .nexo-bubble{width:56px;height:56px;padding:0;justify-content:center;margin-left:auto}
  .nexo-bubble-text{display:none}
  .nexo-panel{position:fixed;right:0;left:0;bottom:0;width:100%;height:88vh;max-height:none;border-radius:20px 20px 0 0;transform:translateY(100%)}
  .nexo-panel.is-open{transform:none}
}