/* ==========================================================================
   Sticky Add-to-Cart Bar - Shopify Dawn OS 2.0 Standard
   Clean fixed bottom bar, minimal shadow, zero Bento boxes
   ========================================================================== */

.sticky-cart {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky, 200);
  background-color: rgb(var(--color-background));
  border-top: var(--border-hairline) solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: var(--space-2-5) 0;
  transform: translateY(110%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--duration-medium) var(--ease-smooth), opacity var(--duration-normal) var(--ease-default);
}

.sticky-cart.is-visible,
.sticky-cart.sticky-cart--always-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

body.has-sticky-cart-visible {
  padding-bottom: calc(var(--space-16) + env(safe-area-inset-bottom, 0));
}

.sticky-cart__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: var(--page-width, 1200px);
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.sticky-cart__container:has(> .sticky-cart__actions:only-child) {
  justify-content: center;
}

.sticky-cart__product {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  flex: 1 1 auto;
}

.sticky-cart__image-wrapper {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: none;
  flex-shrink: 0;
  background-color: rgba(var(--color-foreground), 0.02);
}

.sticky-cart__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sticky-cart__info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sticky-cart__title {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgb(var(--color-foreground));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sticky-cart--hide-desktop {
  display: none !important;
}

@media screen and (max-width: 749px) {
  .sticky-cart--hide-desktop {
    display: block !important;
  }
  .sticky-cart--hide-mobile {
    display: none !important;
  }
}

.sticky-cart__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sticky-cart__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-1-5);
  font-size: var(--font-size-sm);
  line-height: 1;
}

.sticky-cart__price-sale,
.sticky-cart__price-regular {
  font-weight: var(--font-weight-semibold);
  color: rgb(var(--color-foreground));
  font-variant-numeric: tabular-nums;
}

.sticky-cart__price-sale {
  color: var(--color-sale);
}

.sticky-cart__price-compare {
  font-size: var(--font-size-xs);
  color: rgba(var(--color-foreground), 0.5);
  text-decoration: line-through;
  font-variant-numeric: tabular-nums;
}

.sticky-cart__rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  color: rgba(var(--color-foreground), 0.7);
  line-height: 1;
}

.sticky-cart__star {
  color: var(--color-star);
}

.sticky-cart__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.sticky-cart__select {
  height: 2.625rem;
  padding: 0 var(--space-3);
  border: var(--border-hairline) solid var(--color-border);
  border-radius: var(--radius-control);
  background-color: rgb(var(--color-background));
  color: rgb(var(--color-foreground));
  font-size: var(--font-size-sm);
  font-family: inherit;
  cursor: pointer;
  max-width: 11.25rem;
  text-overflow: ellipsis;
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-default), box-shadow var(--duration-fast) var(--ease-default);
}

.sticky-cart__select:hover {
  border-color: rgba(var(--color-foreground), 0.35);
}

.sticky-cart__select:focus {
  border-color: rgba(var(--color-foreground), 0.65);
  box-shadow: 0 0 0 3px rgba(var(--color-foreground), 0.08);
}

/* Quantity input */
.sticky-cart__quantity {
  display: inline-flex;
  align-items: center;
  height: 2.625rem;
  border: var(--border-hairline) solid var(--color-border);
  border-radius: var(--radius-control);
  background-color: rgb(var(--color-background));
  overflow: hidden;
}

.sticky-cart__qty-btn {
  width: 2rem;
  height: 100%;
  border: none;
  background: transparent;
  color: rgb(var(--color-foreground));
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  transition: background-color var(--duration-fast) var(--ease-default);
}

.sticky-cart__qty-btn:hover {
  background-color: rgba(var(--color-foreground), 0.05);
}

.sticky-cart__qty-input {
  width: 2.25rem;
  height: 100%;
  border: none;
  background: transparent;
  color: rgb(var(--color-foreground));
  font-size: var(--font-size-sm);
  font-family: inherit;
  text-align: center;
  padding: 0;
  outline: none;
  -moz-appearance: textfield;
}

.sticky-cart__qty-input::-webkit-outer-spin-button,
.sticky-cart__qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Dual Button Group */
.sticky-cart__buttons {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sticky-cart__button {
  min-height: calc(2.625rem + var(--border-hairline) * 2);
  min-width: 7.5rem;
  padding: 0 var(--space-5);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1-5);
}

.sticky-cart__button--buy-now {
  min-width: 8.125rem;
}

.sticky-cart__btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--icon-md);
  height: var(--icon-md);
  flex-shrink: 0;
}

.sticky-cart__btn-icon svg {
  width: 100%;
  height: 100%;
}

.sticky-cart__button:disabled {
  opacity: var(--opacity-disabled);
  cursor: not-allowed;
}

/* Mobile Responsive - Phuong an 1: Tinh gon chuan san TMDT */
@media screen and (max-width: 749px) {
  .sticky-cart {
    padding-top: var(--space-2);
    padding-bottom: max(var(--space-2), env(safe-area-inset-bottom));
  }

  .sticky-cart__container {
    gap: var(--space-2);
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .sticky-cart__product {
    gap: var(--space-2);
    flex: 0 1 auto;
  }

  .sticky-cart__image-wrapper {
    width: 2.5rem;
    height: 2.5rem;
  }

  .sticky-cart__title {
    display: none;
  }

  .sticky-cart__rating {
    display: none;
  }

  .sticky-cart__actions {
    flex: 1 1 auto;
    justify-content: flex-end;
    gap: var(--space-1-5);
  }

  .sticky-cart__quantity {
    display: none; /* Hide quantity on narrow mobile to keep 1-row layout */
  }

  .sticky-cart__select {
    max-width: 6.5625rem;
    height: 2.375rem;
    font-size: var(--font-size-xs);
    padding: 0 var(--space-1-5);
  }

  .sticky-cart__buttons {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    min-width: 0;
  }

  /* When both Add to Cart & Buy Now are present on mobile:
     Both buttons share balanced equal width (50/50), same height (40px),
     clean typography, with icon + text visible and balanced */
  .sticky-cart__button {
    flex: 1 1 0;
    min-width: 0;
    height: 2.5rem;
    padding: 0 var(--space-2);
    font-size: var(--font-size-xs);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1-5);
    white-space: nowrap;
  }

  .sticky-cart__button--add-to-cart {
    flex: 1 1 0;
    min-width: 0;
    min-height: calc(2.5rem + var(--border-hairline) * 2);
    padding: 0 var(--space-2);
  }

  .sticky-cart__button--buy-now {
    flex: 1 1 0;
    min-width: 0;
    min-height: calc(2.5rem + var(--border-hairline) * 2);
    padding: 0 var(--space-2);
  }

  .sticky-cart__btn-icon {
    width: var(--icon-md);
    height: var(--icon-md);
    flex-shrink: 0;
  }

  .sticky-cart__btn-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* On narrow mobile (<= 480px) with dual buttons, condense Add to Cart to icon-only button to avoid text clipping */
  @media screen and (max-width: 480px) {
    .sticky-cart__button--add-to-cart:not(:only-child) {
      flex: 0 0 2.5rem;
      width: 2.5rem;
      padding: 0;
    }
    .sticky-cart__button--add-to-cart:not(:only-child) .sticky-cart__btn-text {
      display: none;
    }
    .sticky-cart__button--buy-now {
      flex: 1 1 auto;
      padding: 0 var(--space-3);
    }
  }

  /* If only 1 button is present */
  .sticky-cart__button:only-child {
    flex: 1 1 100%;
    min-height: calc(2.5rem + var(--border-hairline) * 2);
    padding: 0 var(--space-4);
    font-size: var(--font-size-sm);
  }
}