.fk-checkout-overlay {
  position: fixed; inset: 0; z-index: 99999; display: flex;
  align-items: center; justify-content: center; padding: 16px;
  background: rgba(43,34,80,.6); overflow-y: auto;
  overscroll-behavior: contain; color: #2b2250; font-family: Nunito, sans-serif;
}
.fk-checkout-card {
  box-sizing: border-box; width: 100%; max-width: 460px;
  max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px);
  overflow-y: auto; overscroll-behavior: contain;
  background: #fff9ef; border: 2px solid #d5cbdc; border-radius: 24px;
  padding: 28px; position: relative; box-shadow: 0 20px 60px rgba(43,34,80,.3);
}
.fk-checkout-card h2 {
  font: 600 1.65rem/1.2 Fredoka, Nunito, sans-serif;
  color: #2b2250; padding-right: 36px; margin: 0 0 12px;
}
.fk-checkout-close {
  position: absolute; top: 12px; right: 12px; width: 44px; height: 44px;
  border: 1px solid #d5cbdc; border-radius: 50%; background: white;
  color: #2b2250; font: 28px/1 Nunito, sans-serif; cursor: pointer;
}
.fk-checkout-product { color: #5b537e; font-size: 1rem; margin: 0 0 8px; }
.fk-checkout-product strong { color: #2b2250 !important; }
.fk-checkout-price { color: #6b3fa0; font-size: 1.6rem; font-weight: 800; margin: 0 0 16px; }
.fk-checkout-price span { color: #5b537e; font-size: .95rem; font-weight: 600; }
.fk-checkout-disclosure { background: #edf6ef; border: 1px solid #91bda0; border-radius: 14px; padding: 14px; margin: 0 0 20px; color: #23563b; font-size: .95rem; line-height: 1.6; }
.fk-checkout-disclosure p { margin: 0; }
.fk-checkout-pay {
  display: block; width: 100%; min-height: 48px; padding: 14px;
  border: 0; border-radius: 999px; background: #6b3fa0; color: white;
  box-shadow: 0 4px 0 #4b2a7b; font: 700 1rem Nunito, sans-serif; cursor: pointer;
}
.fk-checkout-pay:hover { background: #4b2a7b; }
.fk-checkout-pay:disabled { opacity: .65; cursor: wait; }
.fk-checkout-fine { color: #5b537e; font-size: .85rem; line-height: 1.6; margin: 18px 0 0; text-align: center; }
.fk-checkout-fine a { color: #5c318c; text-decoration: underline; }
#fk-checkout-error { margin-top: 16px; padding: 12px; background: #ffebe4; border: 1px solid #ba6955; color: #843621; border-radius: 12px; font-size: .95rem; }
.fk-checkout-overlay :focus-visible { outline: 3px solid #2177ae; outline-offset: 3px; }
.availability-options .btn { margin-top: 12px; white-space: normal; }
.auth-form label { font-weight: 700; font-size: .9rem; text-align: left; margin-bottom: -6px; }
@media (max-width: 360px) { .fk-checkout-card { padding: 20px; } }