:root{--nexter-red:#e30613;--nexter-black:#111;--nexter-gray:#f4f4f4;--nexter-green:#0a8f36}
#nexter-chatbot-root{font-family:Arial,Helvetica,sans-serif}
.nx-chat-button{position:fixed;right:22px;bottom:22px;z-index:99998;background:var(--nexter-red);color:#fff;border:none;border-radius:999px;padding:15px 18px;box-shadow:0 10px 30px rgba(0,0,0,.25);cursor:pointer;font-weight:800;display:flex;gap:8px;align-items:center}
.nx-chat-button:hover{transform:translateY(-2px)}
.nx-chat-window{position:fixed;right:22px;bottom:86px;width:380px;max-width:calc(100vw - 24px);height:620px;max-height:calc(100vh - 110px);background:#fff;border-radius:22px;box-shadow:0 16px 55px rgba(0,0,0,.25);z-index:99999;overflow:hidden;display:none;border:1px solid #eee}
.nx-chat-window.nx-open{display:flex;flex-direction:column}
.nx-header{background:linear-gradient(135deg,#111,#2d2d2d);color:#fff;padding:16px 18px;display:flex;align-items:center;justify-content:space-between}
.nx-logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px}
.nx-splash{width:38px;height:38px;border-radius:12px;background:var(--nexter-red);display:grid;place-items:center;color:#fff;font-weight:900}
.nx-close{background:transparent;border:none;color:#fff;font-size:24px;cursor:pointer}
.nx-body{padding:16px;background:#fafafa;overflow-y:auto;flex:1}
.nx-msg{background:#fff;border-radius:16px;padding:12px 14px;margin:0 0 12px;border:1px solid #eee;line-height:1.35}
.nx-msg strong{color:#111}
.nx-grid{display:grid;grid-template-columns:1fr;gap:8px;margin:12px 0}
.nx-option{border:1px solid #e7e7e7;background:#fff;border-radius:14px;padding:12px;text-align:left;cursor:pointer;font-weight:700;color:#222}
.nx-option:hover{border-color:var(--nexter-red);box-shadow:0 4px 16px rgba(227,6,19,.12)}
.nx-option small{display:block;font-weight:400;color:#666;margin-top:3px}
.nx-back{background:#f1f1f1}
.nx-form{display:grid;gap:9px}
.nx-form input,.nx-form textarea,.nx-form select{width:100%;box-sizing:border-box;border:1px solid #ddd;border-radius:12px;padding:11px;font-size:14px;background:#fff}
.nx-form textarea{min-height:72px;resize:vertical}
.nx-submit{background:var(--nexter-red);color:#fff;border:none;border-radius:14px;padding:13px;font-weight:900;cursor:pointer}
.nx-submit:disabled{opacity:.6;cursor:not-allowed}
.nx-note{font-size:12px;color:#666;line-height:1.35}
.nx-success{border-left:5px solid var(--nexter-green)}
.nx-actions{display:grid;grid-template-columns:1fr;gap:8px}
.nx-actions a,.nx-actions button{display:block;text-align:center;text-decoration:none;border:1px solid #ddd;border-radius:12px;padding:11px;background:#fff;color:#111;font-weight:800;cursor:pointer}
.nx-actions .nx-call{border-color:#bfe6c9;color:#0a752e}
.nx-actions .nx-whatsapp{border-color:#b6f1c8;color:#097c2f}
.nx-actions .nx-email{border-color:#b9d9ff;color:#115b9b}
.nx-footer{padding:10px 14px;background:#fff;border-top:1px solid #eee;font-size:12px;color:#777}
@media(max-width:520px){
  .nx-chat-window{right:10px;left:10px;bottom:76px;width:auto;height:75vh}
  .nx-chat-button{right:14px;bottom:14px}
}