/* Extra UI for secure V5.3 checkout — original V5.2 layout remains. */
.mc-v53-feedback{border:1px solid #f7b397;background:#fff7f2;color:#974527;border-radius:12px;padding:12px 15px;font-size:13px;line-height:1.65;margin:16px 0}
.mc-v53-feedback[data-state="info"]{background:#f4f7ff;color:#334266;border-color:#dce3fb}
.mc-v53-success{background:#f5fff8;border:1px solid #bde6c8;padding:30px;border-radius:20px;color:#153d26;line-height:1.7}
.mc-v53-success h3{font-size:24px;margin:0 0 16px}
.mc-v53-success p{overflow-wrap:anywhere}
#checkoutForm button:disabled{opacity:.65;cursor:progress}
.payment-choices{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:900px){.payment-choices{grid-template-columns:1fr}}