.checkout-wizard {
  max-width: 42rem;
  margin: 0 auto;
}

.checkout-stepper {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.checkout-stepper .step {
  flex: 1 1 auto;
  min-width: 3.5rem;
  text-align: center;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ss-muted, #6b7280);
  padding-bottom: 0.35rem;
  border-bottom: 2px solid #e5e7eb;
}

.checkout-stepper .step.is-active {
  color: #f59e0b;
  border-bottom-color: #f59e0b;
  font-weight: 600;
}

.checkout-stepper .step.is-done {
  border-bottom-color: #d1d5db;
}

.checkout-card {
  border: 1px solid #e8eaed;
  border-radius: 0.5rem;
  background: #fff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.checkout-account-card {
  cursor: default;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.checkout-account-card:focus-within {
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.checkout-summary dt {
  font-weight: 500;
  color: #6b7280;
}

.checkout-summary dd {
  margin-bottom: 0.5rem;
}

.checkout-payment-option {
  border: 1px solid #e5e7eb;
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  cursor: pointer;
}

.checkout-payment-option:has(input:checked) {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.06);
}

.checkout-key-block {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  background: #0f172a;
  color: #e2e8f0;
  padding: 1rem;
  border-radius: 0.375rem;
  white-space: pre-wrap;
  word-break: break-all;
}