/* =============================================================
   AMYTEA — Single Product Page
   Premium, editorial product experience.
   ============================================================= */

/* ── Page Wrapper ────────────────────────────────────────── */
.single-product-page {
  padding-top: calc(72px + var(--space-8));
  background: var(--color-surface);
}

/* ── Breadcrumbs ──────────────────────────────────────────── */
.single-product-breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-block: var(--space-4);
  flex-wrap: wrap;
}

.single-product-breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}
.single-product-breadcrumbs a:hover {
  color: var(--color-primary);
}
.single-product-breadcrumbs__sep {
  color: var(--color-border-strong);
  font-size: var(--text-xs);
}
.single-product-breadcrumbs__current {
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
}

/* ── Product Layout ──────────────────────────────────────── */
.sp-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

/* ── Gallery ──────────────────────────────────────────────── */
.sp-gallery {
  position: sticky;
  top: calc(72px + var(--space-8));
}

.sp-gallery__main {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: linear-gradient(145deg, var(--color-surface-raised) 0%, var(--color-primary-tint) 100%);
  cursor: zoom-in;
  margin-bottom: var(--space-4);
}

.sp-gallery__main-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: clamp(16px, 6%, 48px);
  transition: transform var(--duration-xslow) var(--ease-out);
}

.sp-gallery__main:hover .sp-gallery__main-img {
  transform: scale(1.04);
}

/* Zoom indicator */
.sp-gallery__zoom-hint {
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(26, 18, 9, 0.6);
  backdrop-filter: blur(8px);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.sp-gallery__main:hover .sp-gallery__zoom-hint {
  opacity: 1;
}

.sp-gallery__thumbs {
  display: flex;
  gap: var(--space-3);
}

.sp-gallery__thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition:
    border-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
  flex-shrink: 0;
  background: var(--color-surface-raised);
}

.sp-gallery__thumb:hover {
  border-color: var(--color-primary-light);
  transform: scale(1.05);
}

.sp-gallery__thumb.is-active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-12);
  transform: scale(1.05);
}

.sp-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

/* ── Product Info ────────────────────────────────────────── */
.sp-info {
  position: sticky;
  top: calc(72px + var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Category + Badges */
.sp-info__badges {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.sp-info__category {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
}

.sp-info__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px var(--space-3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  line-height: 1;
}

.sp-info__badge--stock {
  background: var(--color-success-light);
  color: var(--color-success);
}

.sp-info__badge--stock::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Title */
.sp-info__title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 3.5vw, var(--text-5xl));
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin: 0;
}

/* Price */
.sp-info__price {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.sp-info__price-current {
  font-family: var(--font-body);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
}

.sp-info__price-original {
  font-size: var(--text-lg);
  font-weight: var(--weight-regular);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.sp-info__price-save {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  background: var(--color-accent-tint);
  padding: 4px var(--space-3);
  border-radius: var(--radius-full);
}

/* Excerpt / Short description */
.sp-info__excerpt {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  font-weight: var(--weight-light);
}

/* Divider */
.sp-info__divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* Attributes / Meta */
.sp-info__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.sp-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-sunken);
  border-radius: var(--radius-md);
  transition: background var(--duration-normal) var(--ease-out);
}

.sp-meta-item:hover {
  background: var(--color-primary-tint);
}

.sp-meta-item__icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.sp-meta-item__label {
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: block;
  line-height: 1;
  margin-bottom: 2px;
}

.sp-meta-item__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  display: block;
  line-height: 1;
}

/* ── Add to Cart Form ────────────────────────────────────── */
.sp-atc {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sp-atc__row {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}

/* Custom Quantity Selector */
.sp-qty {
  display: flex;
  align-items: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  transition: border-color var(--duration-normal) var(--ease-out);
}

.sp-qty:focus-within {
  border-color: var(--color-primary);
}

.sp-qty__btn {
  width: 48px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-sunken);
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  border: none;
  transition: all var(--duration-fast) var(--ease-out);
  user-select: none;
}

.sp-qty__btn:hover {
  background: var(--color-primary);
  color: white;
}

.sp-qty__btn:active {
  transform: scale(0.95);
}

.sp-qty__input {
  width: 56px;
  height: 52px;
  text-align: center;
  border: none;
  border-left: 2px solid var(--color-border);
  border-right: 2px solid var(--color-border);
  background: var(--color-surface-raised);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  font-family: var(--font-body);
  -moz-appearance: textfield;
}

.sp-qty__input::-webkit-outer-spin-button,
.sp-qty__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.sp-qty__input:focus {
  outline: none;
}

/* Add to Cart Button */
.sp-atc__submit {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 0 var(--space-8);
  height: 56px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  cursor: pointer;
  transition:
    background-color var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.sp-atc__submit:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 8px 24px rgba(100, 38, 111, 0.3);
  transform: translateY(-2px);
}

.sp-atc__submit:active {
  transform: translateY(0);
}

.sp-atc__submit:disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* Loading spinner */
.sp-atc__submit.is-loading {
  color: transparent;
  pointer-events: none;
}

.sp-atc__submit.is-loading::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2.5px solid rgba(253, 248, 242, 0.3);
  border-top-color: #FDF8F2;
  animation: sp-spin 0.7s linear infinite;
}

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

/* Trust line under ATC */
.sp-atc__trust {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.sp-atc__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sp-atc__trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* ── Brew Specs ──────────────────────────────────────────── */
.sp-brew {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.sp-brew-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface-sunken);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
}

.sp-brew-card:hover {
  background: var(--color-primary-tint);
  transform: translateY(-2px);
}

.sp-brew-card__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}

.sp-brew-card__value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 2px;
}

.sp-brew-card__label {
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ── Accordion Tabs ──────────────────────────────────────── */
.sp-tabs {
  border-top: 1px solid var(--color-border);
}

.sp-tab {
  border-bottom: 1px solid var(--color-border);
}

.sp-tab summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: color var(--duration-normal) var(--ease-out);
}

.sp-tab summary::-webkit-details-marker {
  display: none;
}

.sp-tab summary::marker {
  display: none;
  content: '';
}

.sp-tab summary:hover {
  color: var(--color-primary);
}

.sp-tab__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  transition: all var(--duration-normal) var(--ease-out);
  flex-shrink: 0;
}

.sp-tab[open] .sp-tab__icon {
  background: var(--color-primary);
  color: white;
  transform: rotate(45deg);
}

.sp-tab__content {
  padding-bottom: var(--space-6);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  animation: sp-fadeIn var(--duration-slow) var(--ease-out);
}

.sp-tab__content p {
  margin-bottom: var(--space-3);
}

.sp-tab__content p:last-child {
  margin-bottom: 0;
}

/* Brew guide inside tab */
.sp-tab__brew-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.sp-tab__brew-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-sunken);
  border-radius: var(--radius-md);
}

.sp-tab__brew-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.sp-tab__brew-item span {
  font-weight: var(--weight-semibold);
  color: var(--color-text);
}

@keyframes sp-fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Sticky Add-to-Cart Bar (Mobile) ─────────────────────── */
.sp-sticky-bar {
  display: none; /* hidden on desktop — shown via JS on mobile only */
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface-raised);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-4);
  z-index: var(--z-sticky);
  transform: translateY(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  box-shadow: 0 -8px 32px var(--color-shadow-lg);
}

.sp-sticky-bar.is-visible {
  transform: translateY(0);
}

.sp-sticky-bar__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

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

.sp-sticky-bar__img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
  flex-shrink: 0;
}

.sp-sticky-bar__name {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sp-sticky-bar__price {
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  font-size: var(--text-base);
  flex-shrink: 0;
}

.sp-sticky-bar__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration-normal) var(--ease-out);
}

.sp-sticky-bar__btn:hover {
  background: var(--color-primary-dark);
}

/* ── Related Products ────────────────────────────────────── */
.sp-related {
  background: var(--color-surface-raised);
  padding-block: var(--space-20);
}

.sp-related__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.sp-related__header .section-header__title {
  margin-bottom: 0;
}

/* ── Responsive: Tablet ──────────────────────────────────── */
@media (max-width: 1024px) {
  .sp-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .sp-gallery {
    position: relative;
    top: auto;
  }

  .sp-info {
    position: relative;
    top: auto;
    padding-bottom: var(--space-8);
  }

  .sp-sticky-bar {
    display: block; /* enable sticky bar on tablet/mobile */
  }
}

/* ── Responsive: Mobile ──────────────────────────────────── */
@media (max-width: 640px) {
  .single-product-page {
    padding-top: calc(72px + var(--space-4));
  }

  .sp-layout {
    gap: var(--space-6);
  }

  .sp-gallery__main {
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-lg);
  }

  .sp-gallery__thumbs {
    gap: var(--space-2);
  }

  .sp-gallery__thumb {
    width: 64px;
    height: 64px;
  }

  .sp-info__title {
    font-size: var(--text-3xl);
  }

  .sp-info__meta {
    grid-template-columns: 1fr;
  }

  .sp-atc__row {
    flex-direction: column;
  }

  .sp-qty {
    justify-content: center;
  }

  .sp-atc__submit {
    width: 100%;
  }

  .sp-brew {
    grid-template-columns: 1fr;
  }

  .sp-tab__brew-grid {
    grid-template-columns: 1fr;
  }

  .sp-atc__trust {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .sp-related {
    padding-block: var(--space-12);
  }

  .sp-related__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}

/* ── Dark section for related ─────────────────────────────── */
.sp-related-dark {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-raised) 48%, var(--color-surface) 100%);
}

/* ── Gallery lightbox overlay (zoom) ──────────────────────── */
.sp-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(26, 18, 9, 0.92);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.sp-lightbox.is-open {
  opacity: 1;
  pointer-events: all;
}

.sp-lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--duration-normal) var(--ease-out);
  z-index: 1;
}

.sp-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.sp-lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  transform: scale(0.92);
  transition: transform var(--duration-slow) var(--ease-spring);
}

.sp-lightbox.is-open .sp-lightbox__img {
  transform: scale(1);
}

/* ── Quantity in WC form override ─────────────────────────── */
.woocommerce .quantity {
  display: flex;
  align-items: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
  transition: border-color var(--duration-normal) var(--ease-out);
}

.woocommerce .quantity:focus-within {
  border-color: var(--color-primary);
}

.woocommerce .quantity input.qty {
  width: 56px !important;
  height: 52px !important;
  border: none !important;
  border-left: 2px solid var(--color-border) !important;
  border-right: 2px solid var(--color-border) !important;
  background: var(--color-surface-raised) !important;
  text-align: center !important;
  font-weight: var(--weight-semibold) !important;
  border-radius: 0 !important;
}

/* Override WC single add to cart button */
.woocommerce #product-22 .single_add_to_cart_button,
.woocommerce div.product .single_add_to_cart_button {
  display: none !important;
}

/* Hide default quantity labels */
.woocommerce .quantity label {
  display: none;
}

/* ── Focus States (Accessibility) ─────────────────────────── */
.sp-gallery__thumb:focus-visible,
.sp-qty__btn:focus-visible,
.sp-atc__submit:focus-visible,
.sp-sticky-bar__btn:focus-visible,
.sp-lightbox__close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.sp-tab summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: 4px;
}

/* ── Sale Price Visual ─────────────────────────────────────── */
.sp-info__price ins {
  text-decoration: none;
}

/* ── Image loading state ───────────────────────────────────── */
.sp-gallery__main-img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sp-gallery__main-img[loading="lazy"].is-loaded,
.sp-gallery__main-img[fetchpriority="high"] {
  opacity: 1;
}

/* ── Print styles ──────────────────────────────────────────── */
@media print {
  .sp-sticky-bar,
  .sp-lightbox,
  .sp-gallery__zoom-hint,
  .sp-atc__trust,
  .site-header,
  .mobile-menu,
  .cart-drawer,
  .cart-overlay,
  .site-footer,
  .trust-strip {
    display: none !important;
  }

  .sp-layout {
    grid-template-columns: 1fr 1fr !important;
  }

  .sp-gallery,
  .sp-info {
    position: static !important;
  }
}