.bp-invite-card {
    background: #fff;
    padding: 22px;
    border-radius: 12px;
    max-width: 900px;
    margin: 30px auto;
    box-shadow: 0 6px 22px rgba(0,0,0,0.05);
}
.bp-invite-card input[type="email"] { padding:12px; border-radius:6px; border:1px solid #111; width:48%; max-width:420px; }
.bp-invite-card .button { background:#28a745; color:#fff; padding:10px 16px; border-radius:6px; text-decoration:none; border:0; }
#bp-invite-result { margin-top:10px; font-weight:600; text-align:center; }