.r66-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:640px){.r66-grid{grid-template-columns:1fr}}
.r66-field{margin-bottom:1rem}
.r66-field input,
.r66-field select,
.r66-field textarea{width:100%;padding:.75rem;border:1px solid #ccc;border-radius:.5rem;font:inherit}
.r66-btn{background:#c41e3a;color:#fff;padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-weight:600;cursor:pointer}
.r66-success,.r66-errors{padding:1rem;border-radius:.5rem;margin:1rem 0}
.r66-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}
.r66-errors{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);border:0}