/* ==========================================================================
   Checkout
   ========================================================================== */

/* ---- Header: centered wordmark only, no icons ---- */

.checkout-header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--color-grey-100);
}

.checkout-header__wordmark {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.2em;
  color: var(--color-black);
}

/* ---- Page ---- */

.checkout-page {
  max-width: calc(var(--space-9) * 16);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-9);
}

.checkout-section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

/* ---- Empty state ---- */

.checkout-empty {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  text-align: center;
}

.checkout-empty[hidden] {
  display: none;
}

.checkout-empty__message {
  font-size: var(--font-size-md);
  color: var(--color-grey-500);
}

.checkout-empty__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  color: var(--color-black);
}

.checkout-empty__link:hover {
  opacity: 0.7;
}

.checkout-empty__link:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

/* ---- Confirmation state ---- */

.checkout-confirmation {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  animation: checkout-confirmation-in 0.4s ease forwards;
}

@keyframes checkout-confirmation-in {
  from {
    opacity: 0;
    transform: translateY(var(--space-3));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .checkout-confirmation {
    animation: none;
  }
}

.checkout-confirmation[hidden] {
  display: none;
}

.checkout-confirmation__card {
  width: 100%;
  max-width: calc(var(--space-9) * 8);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.checkout-confirmation__icon {
  width: var(--space-8);
  height: var(--space-8);
  color: var(--color-black);
  margin-bottom: var(--space-4);
}

.checkout-confirmation__icon svg {
  width: 100%;
  height: 100%;
}

.checkout-confirmation__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.checkout-confirmation__subtitle {
  margin-top: var(--space-2);
  max-width: calc(var(--space-9) * 6);
  font-size: var(--font-size-sm);
  color: var(--color-grey-500);
}

.checkout-confirmation__ref-label {
  margin-top: var(--space-6);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-grey-500);
}

.checkout-confirmation__ref {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-grey-300);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  word-break: break-all;
}

.checkout-confirmation__summary {
  width: 100%;
  margin-top: var(--space-7);
  text-align: left;
}

.checkout-confirmation__cta {
  display: block;
  margin-top: var(--space-6);
}

/* ---- Two-column grid (stacks on mobile) ---- */

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.checkout-grid[hidden] {
  display: none;
}

/* Tablet step: reuses the sitewide 700px tablet breakpoint (--bp-tablet in
   base.css — same one the product grid and PDP two-column layout already
   step at) rather than introducing a third bespoke value. Below it, a
   single stacked column across the whole 768-1024px tablet band left the
   form sitting in a wide whitespace trap on iPad-width viewports; this
   narrower two-column split (form-heavy, summary as a slimmer side
   column) reads better than waiting for the full desktop proportions. */
@media (min-width: 700px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: var(--space-7);
  }
}

@media (min-width: 1100px) {
  .checkout-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-9);
  }
}

/* ---- Validation banner ---- */

.checkout-validation-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-error);
  background-color: var(--color-white);
  color: var(--color-error);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.checkout-validation-banner[hidden] {
  display: none;
}

.checkout-validation-banner__dismiss {
  flex-shrink: 0;
  font-size: var(--font-size-lg);
  line-height: 1;
  color: var(--color-error);
  transition: opacity 0.15s ease;
}

.checkout-validation-banner__dismiss:hover {
  opacity: 0.7;
}

.checkout-validation-banner__dismiss:focus-visible {
  outline: 2px solid var(--color-error);
  outline-offset: 2px;
}

/* ---- Fulfillment toggle (Delivery / Pick Up) ---- */

.checkout-fulfillment {
  border: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-fulfillment__legend {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: 0;
}

.checkout-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--color-grey-300);
}

.checkout-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  cursor: pointer;
  text-align: center;
  transition: background-color 0.15s ease;
}

.checkout-tab:hover:not(:has(input:checked)) {
  background-color: var(--color-grey-50);
}

.checkout-tab:has(input:focus-visible) {
  outline: 2px solid var(--color-black);
  outline-offset: -2px;
}

.checkout-tab:first-child {
  border-right: 1px solid var(--color-grey-300);
}

.checkout-tab input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkout-tab__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-grey-500);
}

.checkout-tab:has(input:checked) {
  background-color: var(--color-black);
}

.checkout-tab:has(input:checked) .checkout-tab__label {
  color: var(--color-white);
}

/* ---- Form ---- */

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.checkout-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-field__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.checkout-field__input {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-grey-300);
  background-color: var(--color-white);
  color: var(--color-black);
}

.checkout-field__input:focus {
  outline: none;
  border-color: var(--color-black);
  box-shadow: 0 0 0 1px var(--color-black);
}

.checkout-field__input--textarea {
  resize: vertical;
}

.checkout-field.has-error .checkout-field__input {
  border: 2px solid var(--color-error);
  /* Compensates for the border growing from 1px to 2px so the input's
     rendered size (and everything after it) doesn't shift by a pixel. */
  padding: calc(var(--space-3) - 1px);
}

.checkout-field__error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
}

.checkout-field__error[hidden] {
  display: none;
}

/* ---- Payment method toggle ---- */

.checkout-payment {
  border: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkout-payment__legend {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-1);
  padding: 0;
}

.checkout-payment__option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-grey-300);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.checkout-payment__option:hover {
  border-color: var(--color-grey-400);
}

.checkout-payment__option:has(input:focus-visible) {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

.checkout-payment__option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkout-payment__control {
  flex-shrink: 0;
  width: var(--space-4);
  height: var(--space-4);
  border-radius: 50%;
  border: 1px solid var(--color-grey-400);
  position: relative;
}

.checkout-payment__option input:checked ~ .checkout-payment__control {
  border-color: var(--color-black);
}

.checkout-payment__option input:checked ~ .checkout-payment__control::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background-color: var(--color-black);
}

.checkout-payment__option:has(input:checked) {
  border-color: var(--color-black);
}

.checkout-payment__label {
  font-size: var(--font-size-sm);
}

/* ---- Form-level error + submit ---- */

.checkout-form__error {
  font-size: var(--font-size-sm);
  color: var(--color-black);
  padding: var(--space-3);
  border: 1px solid var(--color-black);
}

.checkout-form__error[hidden] {
  display: none;
}

.checkout-submit {
  width: 100%;
  padding: var(--space-4);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
  background-color: var(--color-black);
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.checkout-submit:hover:not(:disabled) {
  opacity: 0.85;
}

.checkout-submit:active:not(:disabled) {
  transform: scale(0.99);
}

.checkout-submit:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

.checkout-submit:disabled {
  background-color: var(--color-grey-300);
  cursor: not-allowed;
}

/* ---- Order summary ---- */

.checkout-summary-items {
  display: flex;
  flex-direction: column;
}

.checkout-summary-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-grey-100);
}

.checkout-summary-item__media {
  flex-shrink: 0;
  width: calc(var(--space-9) * 1.2);
  aspect-ratio: 3 / 4;
  background-color: var(--color-grey-50);
  overflow: hidden;
}

.checkout-summary-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.checkout-summary-item__details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.checkout-summary-item__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.checkout-summary-item__variation {
  font-size: var(--font-size-xs);
  color: var(--color-grey-500);
}

.checkout-summary-item__qty {
  font-size: var(--font-size-xs);
  color: var(--color-grey-500);
}

.checkout-summary-item__price {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  align-self: flex-start;
}

/* ---- Promo code ---- */

.checkout-promo {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-grey-100);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-promo__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.checkout-promo__row {
  display: flex;
  gap: var(--space-2);
}

.checkout-promo__input {
  flex: 1;
  min-width: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-grey-300);
  background-color: var(--color-white);
  color: var(--color-black);
}

.checkout-promo__input:focus {
  outline: none;
  border-color: var(--color-black);
  box-shadow: 0 0 0 1px var(--color-black);
}

.checkout-promo__apply {
  flex-shrink: 0;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
  background-color: var(--color-black);
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.checkout-promo__apply:hover:not(:disabled) {
  opacity: 0.85;
}

.checkout-promo__apply:active:not(:disabled) {
  transform: scale(0.97);
}

.checkout-promo__apply:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 2px;
}

.checkout-promo__apply:disabled {
  background-color: var(--color-grey-300);
  cursor: not-allowed;
}

.checkout-promo__error {
  font-size: var(--font-size-xs);
  color: var(--color-black);
}

.checkout-promo__error[hidden] {
  display: none;
}

.checkout-summary-totals {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-grey-200);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkout-summary-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--color-grey-500);
}

.checkout-summary-row[hidden] {
  display: none;
}

.checkout-summary-row--total {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
}