.erb-wrapper{max-width:680px;margin:1.5rem 0;padding:1rem;border:1px solid #ddd;border-radius:8px}
.erb-field{margin-bottom:12px}
.erb-two-cols{display:flex;gap:12px}
.erb-two-cols .erb-field{flex:1}
.erb-field label{display:block;margin-bottom:6px;font-weight:600}
.erb-field input,.erb-field select{width:100%;padding:8px;border:1px solid #ccc;border-radius:6px}
.erb-btn{display:inline-block;padding:10px 16px;border:0;border-radius:6px;cursor:pointer;background:#111;color:#fff}
.erb-message{margin-top:12px;padding:10px;border-radius:6px}
.erb-success{background:#e6ffed;border:1px solid #b7f5c7}
.erb-error{background:#ffecec;border:1px solid #f5b7b7}
.erb-hint{display:block;margin-top:6px;opacity:.8}