.purchase-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px}
.purchase-option{display:flex;flex-direction:column;gap:7px}
.purchase-option-label{margin:0;font-size:.875rem;line-height:1.4;color:#666;text-align:center}
.purchase-option .book-cta{width:100%;margin:0;min-height:48px}
.purchase-option button:disabled{opacity:.55;cursor:not-allowed}
#paypalModal [hidden]{display:none!important}
#paypalModal .paypal-access,#paypalModal .paypal-secondary{display:block;margin-top:14px;color:#687747}
#paypalModal .paypal-access{font-weight:700}
#paypalModal .purchase-card{max-height:90vh;overflow-y:auto}
@media(max-width:640px){.purchase-options{grid-template-columns:1fr;gap:12px}.purchase-option-label{text-align:left}}

/* Sathya: ancho de botones 2026-09-07 */
.purchase-options{max-width:534px}
@media(max-width:640px){.purchase-options{max-width:260px}}