/* ---------- Toast (shown on "Thêm vào giỏ hàng") ---------- */

.cart-toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translate(-50%, 16px);
  background: var(--color-text-primary);
  color: #fff;
  font-size: var(--text-base);
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 999;
}

.cart-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Cart page ---------- */

.cart-page {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-6);
  margin: var(--space-6) 0 var(--space-10);
  align-items: start;
}

.cart-page__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin: var(--space-4) 0 var(--space-5);
}

.cart-page__list {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.cart-item:last-child {
  border-bottom: 0;
}

.cart-item__img {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  object-fit: contain;
  background: #fff;
}

.cart-item__name {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cart-item__name:hover {
  color: var(--color-brand-blue);
}

.cart-item__price {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.cart-item__qty {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.cart-item__qty-btn {
  width: 30px;
  height: 30px;
  border: 0;
  background: #f4f4f4;
  font-size: var(--text-md);
  cursor: pointer;
}

.cart-item__qty-input {
  width: 38px;
  height: 30px;
  border: 0;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  text-align: center;
  font-size: var(--text-sm);
}

.cart-item__line-total {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-price);
  white-space: nowrap;
}

.cart-item__remove {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 0;
  background: #fdecec;
  color: var(--color-accent-red);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.cart-item__remove:hover {
  background: var(--color-accent-red);
  color: #fff;
}

.cart-page__clear {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-3);
  background: none;
  border: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  cursor: pointer;
}

.cart-page__clear:hover {
  color: var(--color-accent-red);
}

.cart-summary {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: sticky;
  top: var(--space-5);
}

.cart-summary__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 0 var(--space-4);
}

.cart-summary__row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-base);
  color: var(--color-text-body);
  margin-bottom: var(--space-2);
}

.cart-summary__row strong {
  color: var(--color-text-primary);
}

.cart-summary__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--text-md);
  font-weight: 700;
  border-top: 1px dashed var(--color-border);
  padding-top: var(--space-3);
  margin: var(--space-3) 0 var(--space-4);
}

.cart-summary__total-value {
  font-size: var(--text-xl);
  color: var(--color-price);
}

.cart-summary__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
}

.cart-summary__checkout {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--color-brand-blue);
  color: #fff;
  border: 0;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-size: var(--text-md);
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: filter var(--transition-fast);
}

.cart-summary__checkout:hover {
  filter: brightness(1.08);
}

.cart-summary__checkout[aria-disabled="true"] {
  background: #c9ced6;
  pointer-events: none;
}

.cart-summary__continue {
  display: block;
  text-align: center;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-brand-blue);
  text-decoration: none;
}

.cart-empty {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-5);
  text-align: center;
  grid-column: 1 / -1;
}

.cart-empty__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: var(--space-4) 0 var(--space-2);
}

.cart-empty__text {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-5);
}

.cart-empty__cta {
  display: inline-block;
  background: var(--color-brand-blue);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 700;
}

/* ---------- Checkout page ---------- */

.checkout-page {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-6);
  margin: var(--space-6) 0 var(--space-10);
  align-items: start;
}

.checkout-page__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin: var(--space-4) 0 var(--space-5);
}

.checkout-form {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.checkout-form__section-title {
  font-size: var(--text-md);
  font-weight: 700;
  margin: 0 0 var(--space-4);
}

.checkout-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.checkout-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-4);
}

.checkout-form__field label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-body);
}

.checkout-form__field input,
.checkout-form__field textarea {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  resize: vertical;
}

.checkout-form__field input:focus,
.checkout-form__field textarea:focus {
  outline: 2px solid var(--color-brand-blue);
  outline-offset: 1px;
}

.checkout-form__payment {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.checkout-form__payment-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
}

.checkout-form__payment-option:has(input:checked) {
  border-color: var(--color-brand-blue);
  background: #f0f7ff;
}

.checkout-form__payment-option strong {
  display: block;
  font-size: var(--text-base);
}

.checkout-form__payment-option span {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.bank-transfer {
  display: none;
  margin: calc(-1 * var(--space-1)) 0 var(--space-1);
}

.checkout-form__payment:has(input[value='bank']:checked) .bank-transfer {
  display: block;
}

.bank-transfer__card {
  display: flex;
  gap: var(--space-5);
  border: 1.5px dashed var(--color-brand-blue);
  border-radius: var(--radius-lg);
  background: #f5faff;
  padding: var(--space-4);
  margin-bottom: var(--space-3);
}

.bank-transfer__qr {
  flex-shrink: 0;
  width: 140px;
  height: 140px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-border-light);
}

.bank-transfer__qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.bank-transfer__details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: center;
}

.bank-transfer__row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.bank-transfer__label {
  color: var(--color-text-muted);
  min-width: 96px;
}

.bank-transfer__value {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  word-break: break-word;
}

.bank-transfer__value--accent {
  color: var(--color-brand-blue);
  font-size: var(--text-md);
}

.bank-transfer__copy {
  border: 1px solid var(--color-brand-blue);
  color: var(--color-brand-blue);
  background: #fff;
  border-radius: var(--radius-full);
  padding: 2px 12px;
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.bank-transfer__copy:hover {
  background: #eaf3ff;
}

.bank-transfer__copy.is-copied {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.bank-transfer__confirm {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  cursor: pointer;
}

.bank-transfer__confirm input {
  margin-top: 3px;
  flex-shrink: 0;
}

.checkout-form__submit {
  width: 100%;
  background: var(--color-brand-blue);
  color: #fff;
  border: 0;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-size: var(--text-md);
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

.checkout-form__submit:hover {
  filter: brightness(1.08);
}

/* Sending to the CMS (checkout + /lien-he/): disabled + spinner. */
.checkout-form__submit:disabled {
  opacity: 0.75;
  cursor: wait;
  filter: none;
}

.checkout-form__submit.is-loading::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 8px;
  vertical-align: -2px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: #fff;
  border-radius: 50%;
  animation: checkout-spin 0.8s linear infinite;
}

@keyframes checkout-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Honeypot field (anti-spam): off-screen, not display:none. */
.checkout-form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.checkout-form__error {
  color: var(--color-accent-red);
  font-size: var(--text-sm);
  margin: 0 0 var(--space-4);
  min-height: 1em;
}

.checkout-summary {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: sticky;
  top: var(--space-5);
}

.checkout-summary__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 0 var(--space-4);
}

.checkout-summary__item {
  display: flex;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.checkout-summary__item img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  object-fit: contain;
  background: #fff;
}

.checkout-summary__item-name {
  font-size: var(--text-sm);
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.checkout-summary__item-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
}

.checkout-summary__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--text-md);
  font-weight: 700;
  border-top: 1px dashed var(--color-border);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}

.checkout-summary__total-value {
  font-size: var(--text-xl);
  color: var(--color-price);
}

.checkout-success {
  grid-column: 1 / -1;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-5);
  text-align: center;
}

.checkout-success__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: #e6f6ec;
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkout-success__title {
  font-size: var(--text-xl);
  font-weight: 800;
  margin: 0 0 var(--space-2);
}

.checkout-success__text {
  color: var(--color-text-body);
  margin: 0 0 var(--space-5);
}

.checkout-success__order {
  font-weight: 700;
  color: var(--color-brand-blue);
}

.checkout-success__cta {
  display: inline-block;
  background: var(--color-brand-blue);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 700;
}

/* ---------- Recently viewed page ---------- */

.viewed-page__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin: var(--space-4) 0 var(--space-5);
}

.viewed-page__title {
  font-size: var(--text-2xl);
  font-weight: 800;
}

.viewed-page__clear {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  cursor: pointer;
}

.viewed-page__clear:hover {
  color: var(--color-accent-red);
  border-color: var(--color-accent-red);
}

.viewed-page__grid {
  margin-bottom: var(--space-10);
}

@media (max-width: 900px) {
  .cart-page,
  .checkout-page {
    grid-template-columns: 1fr;
  }

  .cart-item {
    grid-template-columns: 64px 1fr;
    grid-template-areas:
      "img name"
      "img qty"
      "img total"
      "img remove";
  }

  .cart-item__img {
    grid-area: img;
    width: 64px;
    height: 64px;
  }

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

  .bank-transfer__card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .bank-transfer__row {
    justify-content: center;
  }
}