/* ii world — Checkout & Cart Pages */

/* ========== Cart Page ========== */
.cart-page {
  padding: 24px 16px 160px;
}

@media (min-width: 768px) {
  .cart-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 40px 120px;
  }
}

.cart-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.03em;
  text-align: center;
  margin-bottom: 48px;
}

.cart-header { margin-bottom: 0; }

.cart-loading,
.cart-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-secondary);
}

.cart-empty__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  color: var(--color-text-tertiary);
}

.cart-empty__title,
.cart-empty__text {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.cart-empty__link {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  text-decoration: underline;
  transition: color 0.2s;
  padding: 8px 0;
  display: inline-block;
}

.cart-empty__link:hover { color: var(--color-text); }

/* Cart items */
.cart-items { border-top: 1px solid var(--color-border-light); }

.cart-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  grid-template-rows: auto auto;
  gap: 4px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-light);
  align-items: start;
}

@media (min-width: 768px) {
  .cart-item {
    grid-template-columns: 100px 1fr auto;
    grid-template-rows: auto;
    gap: 24px;
    padding: 24px 0;
    align-items: center;
  }
}

.cart-item__image {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--color-bg-card);
  grid-row: 1 / 3;
  border-radius: 6px;
}

@media (min-width: 768px) {
  .cart-item__image { grid-row: auto; border-radius: 0; }
}

.cart-item__image img { width: 100%; height: 100%; object-fit: cover; }

.cart-item__name {
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: 4px;
}

.cart-item__variant {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
}

.cart-item__qty {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  overflow: hidden;
  align-self: center;
}

.cart-item__qty-btn {
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.cart-item__qty-btn:active { background: var(--color-bg-card); }

@media (min-width: 768px) {
  .cart-item__qty-btn { width: 36px; height: 36px; font-size: 0.9rem; }
}

@media (hover: hover) {
  .cart-item__qty-btn:hover { background: var(--color-bg-card); }
}

.cart-item__qty-val {
  font-size: 0.9rem;
  min-width: 28px;
  text-align: center;
  font-weight: 400;
  user-select: none;
}

.cart-item__remove {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s;
  padding: 8px 0;
  min-height: 44px;
  display: flex;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) {
  .cart-item__remove:hover { color: var(--color-text); }
}

.cart-item__details { min-width: 0; }

.cart-item__actions {
  grid-column: 2 / -1;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

@media (min-width: 768px) {
  .cart-item__actions {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
  }
}

.cart-item__price {
  font-size: 0.95rem;
  text-align: right;
  white-space: nowrap;
}

/* Cart summary — sticky bottom bar on mobile */
.cart-summary {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
  padding: 16px 20px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}

@media (min-width: 768px) {
  .cart-summary {
    position: static;
    border-top: none;
    box-shadow: none;
    padding: 32px 0;
    max-width: 360px;
    margin-left: auto;
  }
}

.cart-summary__row {
  display: none;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

@media (min-width: 768px) {
  .cart-summary__row { display: flex; }
}

.cart-summary__row--total {
  border-top: 1px solid var(--color-border);
  margin-top: 12px;
  padding-top: 16px;
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 400;
}

.cart-summary__label { color: var(--color-text-secondary); }

.cart-summary__total {
  display: flex;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 12px;
}

@media (min-width: 768px) {
  .cart-summary__total {
    border-top: 1px solid var(--color-border);
    margin-top: 12px;
    padding-top: 16px;
    margin-bottom: 0;
  }
}

.cart-checkout {
  display: block;
  width: 100%;
  padding: 16px 32px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  transition: background 0.3s ease;
  border-radius: 100px;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .cart-checkout { border-radius: 0; margin-top: 24px; min-height: auto; }
}

@media (hover: hover) {
  .cart-checkout:hover { background: var(--color-text-secondary); }
}

.cart-actions {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ========== Checkout ========== */
.checkout-page {
  padding: 24px 16px 120px;
}

@media (min-width: 768px) {
  .checkout-page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 60px 40px 120px;
  }
}

.checkout-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.03em;
  text-align: center;
  margin-bottom: 48px;
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (max-width: 767px) {
  .checkout-layout > .order-summary { display: none; }
}

@media (min-width: 768px) {
  .checkout-layout { grid-template-columns: 1fr 380px; gap: 60px; }
}

.checkout-header { margin-bottom: 0; }

.checkout-form { display: flex; flex-direction: column; gap: 0; }

.checkout-section { margin-bottom: 32px; }

.checkout-row--full { grid-template-columns: 1fr; }

.checkout-section__title {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.checkout-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 768px) {
  .checkout-row { grid-template-columns: 1fr 1fr; gap: 16px; }
}

.checkout-error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  padding: 12px 16px;
  font-size: 0.85rem;
  margin-bottom: 20px;
  display: none;
}

.checkout-emulated {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  text-align: center;
  margin-top: 12px;
}

/* Order summary sidebar */
.order-summary {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  padding: 16px;
  border-radius: 8px;
}

@media (min-width: 768px) {
  .order-summary {
    padding: 32px;
    border-radius: 0;
    position: sticky;
    top: calc(var(--nav-height) + 20px);
  }
}

.order-summary__title {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 20px;
}

.order-summary__items { border-top: 1px solid var(--color-border-light); }

.order-summary__item {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--color-border-light);
}

.order-summary__item-name { color: var(--color-text); }
.order-summary__item-qty { color: var(--color-text-tertiary); margin: 0 8px; }
.order-summary__item-price { color: var(--color-text-secondary); }

.order-summary__loading,
.order-summary__empty {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  padding: 20px 0;
  text-align: center;
}

.order-summary__divider {
  border: none;
  border-top: 1px solid var(--color-border-light);
  margin: 12px 0;
}

.order-summary__row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.order-summary__total {
  display: flex;
  justify-content: space-between;
  padding: 12px 0 0;
  margin-top: 8px;
  border-top: 1px solid var(--color-border);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text);
}

/* ========== Checkout Success ========== */
.checkout-result {
  text-align: center;
  padding: 80px 20px;
  max-width: 560px;
  margin: 0 auto;
}

.checkout-result__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 32px;
  font-size: 1.5rem;
}

.checkout-result__icon svg {
  width: 28px;
  height: 28px;
}

.checkout-result__icon--error {
  border-color: #991b1b;
  color: #991b1b;
}

.checkout-result__title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 16px;
}

.checkout-result__msg {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.checkout-result__order-id {
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  margin-bottom: 32px;
}

.checkout-result__order-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: 4px;
}

.checkout-result__order-value {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
}

.checkout-result__error-detail {
  font-size: 0.85rem;
  color: #991b1b;
  margin-bottom: 24px;
}

.checkout-result__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Checkout Wizard ========== */
.checkout-steps {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}

.checkout-steps__step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  transition: color 0.3s ease;
}

.checkout-steps__step--active { color: var(--color-text); font-weight: 500; }
.checkout-steps__step--done { color: var(--color-text-secondary); }

.checkout-steps__num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: all 0.3s ease;
}
@media (min-width: 1025px) {
  .checkout-steps__num { font-size: 0.65rem; }
}

.checkout-steps__step--active .checkout-steps__num {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
}

.checkout-steps__step--done .checkout-steps__num {
  border-color: var(--color-text-secondary);
  background: var(--color-text-secondary);
  color: var(--color-bg);
}

.checkout-steps__sep {
  width: 24px;
  height: 1px;
  background: var(--color-border-light);
}

@media (max-width: 767px) {
  .checkout-steps__label { display: none; }
  .checkout-steps__sep { width: 12px; }
}

.checkout-step { display: none; }
.checkout-step--active { display: block; animation: stepFadeIn 0.3s ease; }

@keyframes stepFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.checkout-nav {
  display: flex;
  flex-direction: column-reverse;
  margin-top: 32px;
  gap: 12px;
}

@media (min-width: 768px) {
  .checkout-nav { flex-direction: row; justify-content: space-between; gap: 16px; }
}

.checkout-nav__back {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 14px 24px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.3s;
  min-height: 52px;
  text-align: center;
  -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) {
  .checkout-nav__back:hover { border-color: var(--color-accent); }
}

.checkout-nav__next {
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.3s;
  min-height: 52px;
  border-radius: 100px;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 768px) {
  .checkout-nav__next { margin-left: auto; border-radius: 0; }
}

@media (hover: hover) {
  .checkout-nav__next:hover { background: var(--color-text-secondary); }
}

.checkout-nav__next:disabled { opacity: 0.4; cursor: not-allowed; }

.checkout-review__row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--color-border-light);
}

.checkout-review__label { color: var(--color-text-tertiary); }
.checkout-review__value { color: var(--color-text); }

.checkout-review__section { margin-bottom: 24px; }

.checkout-review__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.checkout-review__header .checkout-section__title { flex: 1; }

.checkout-review__edit {
  background: none;
  border: none;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: color 0.2s;
  padding: 0;
}

.checkout-review__edit:hover { color: var(--color-accent); }

/* Form validation error */
.form-input--error { border-color: #991b1b; }

.form-error {
  display: block;
  font-size: 0.7rem;
  color: #991b1b;
  margin-top: 4px;
}

/* Mobile summary toggle */
.order-summary__toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  padding: 0 0 16px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  cursor: pointer;
}

.order-summary__toggle svg {
  transition: transform 0.3s ease;
}

.order-summary--open .order-summary__toggle svg {
  transform: rotate(180deg);
}

@media (max-width: 767px) {
  .order-summary__title { display: none; }
  .order-summary__items,
  .order-summary__divider,
  .order-summary__row,
  .order-summary__total { display: none; }
  .order-summary--open .order-summary__items,
  .order-summary--open .order-summary__divider,
  .order-summary--open .order-summary__row,
  .order-summary--open .order-summary__total { display: flex; }
  .order-summary--open .order-summary__divider { display: block; }
}

@media (min-width: 768px) {
  .order-summary__toggle { display: none; }
}