.checkout-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(26, 26, 26, 0.45);
}

.checkout-modal[hidden] {
  display: none !important;
}

.checkout-modal__panel {
  width: min(440px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 12px 40px rgba(54, 108, 93, 0.2);
}

.checkout-modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.checkout-modal__head h2 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--mage-green-dark);
}

.checkout-close {
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: var(--mage-muted);
  padding: 4px;
}

.checkout-msg {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.88rem;
  display: none;
}

.checkout-msg.show.error {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.checkout-msg.show.ok {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.checkout-msg.show.info {
  display: block;
  background: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

#sap-checkout-element {
  margin-bottom: 16px;
}

.checkout-submit {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: var(--mage-green);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
}

.checkout-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.checkout-loading {
  text-align: center;
  color: var(--mage-muted);
  font-size: 0.9rem;
  padding: 24px 0;
}