/* =========================================================================
   KNIGHT — product page (PDP). Faithful to the Claude Design "Knight" PDP.
   Preserves the global product.js DOM contract (thumbs+main gallery, variant
   chips, accordions, related slider) and repaints it in Knight styling.
   ========================================================================= */

/* BREADCRUMB — uppercase, spaced, "/" separators (matches the design) */
/* No hairline under the breadcrumb — matches the design HTML (just top spacing) */
.k-pdp-breadcrumb .breadcrumb {
  font-family: var(--k-font-body);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 22px 0 0;
  margin: 0;
}
.k-pdp-breadcrumb a { color: var(--k-muted); text-decoration: none; }
.k-pdp-breadcrumb a:hover { color: var(--k-accent); }
.k-pdp-breadcrumb .breadcrumb-item.active { color: var(--k-ink); }
.k-pdp-breadcrumb .breadcrumb-item + .breadcrumb-item { padding-left: 8px; }
.k-pdp-breadcrumb .breadcrumb-item + .breadcrumb-item::before { content: "/"; color: var(--k-muted-2); padding-right: 8px; }

/* MAIN LAYOUT — gallery left, details right */
.k-pdp__inner {
  max-width: var(--k-maxw);
  margin: 0 auto;
  padding: 30px var(--k-gutter) 72px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

/* GALLERY — 78px thumb column + main image, sticky */
.k-pdp__gallery {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 16px;
  position: sticky;
  top: 96px;
}
.k-pdp__thumbs { display: flex; flex-direction: column; gap: 12px; }
.product-gallery-thumb {
  aspect-ratio: 1 / 1;
  width: 100%;
  border: 1px solid var(--k-line-soft);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--k-placeholder);
  padding: 0;
}
.product-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-gallery-thumb.is-active { border-color: var(--k-accent); }
.k-pdp__main {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  border: 1px solid var(--k-line-soft);
  border-radius: 16px;
  overflow: hidden;
  background: var(--k-placeholder);
}
.k-pdp__main img { width: 100%; height: 100%; object-fit: cover; display: block; }
.k-pdp__badges { position: absolute; top: 18px; left: 18px; display: flex; flex-direction: column; gap: 6px; z-index: 2; }

/* Badge pills (product.js renders .product-badge-pill) */
.product-badge-pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--k-font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 100px;
  color: #fff;
  background: var(--k-accent);
}
.product-badge-pill--new, .product-badge-pill--package { background: var(--k-ink); }

/* DETAILS */
.k-pdp__details { display: flex; flex-direction: column; }
.k-pdp__eyebrow {
  font-family: var(--k-font-body);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--k-accent);
  margin-bottom: 14px;
}
.k-pdp__title {
  font-family: var(--k-font-display);
  font-weight: 900;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}
.k-pdp__code { font-family: var(--k-font-body); font-size: 12px; letter-spacing: 0.04em; color: var(--k-muted-2); margin-bottom: 24px; }

/* PRICE */
.k-pdp__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}
.k-pdp__price-now {
  font-family: var(--k-font-display);
  font-weight: 800;
  font-size: 32px;
  letter-spacing: -0.01em;
}
.k-pdp__price-now.is-highlight { color: var(--k-accent); }
.k-pdp__price-old { font-family: var(--k-font-body); font-size: 17px; color: rgba(20, 19, 15, 0.4); text-decoration: line-through; }
.k-pdp__stock { font-family: var(--k-font-body); font-size: 13px; color: var(--k-muted); flex-basis: 100%; }

/* VARIANTS (product.js renders .variant-chip) */
.k-pdp__variants:not(:empty) { margin-bottom: 26px; }
.product-variant-config .variant-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.product-variant-config .variant-group { margin-bottom: 16px; }
.product-variant-config .variant-group-label {
  font-family: var(--k-font-body);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--k-muted);
  margin-bottom: 10px;
  display: block;
}
.variant-chip {
  border: 1px solid var(--k-line);
  background: #fff;
  border-radius: 10px;
  padding: 0.5rem 0.85rem;
  font-family: var(--k-font-body);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: transform 0.06s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}
.variant-chip:hover { transform: translateY(-1px); border-color: var(--k-ink); }
.variant-chip.is-active { border-color: var(--k-accent); box-shadow: 0 0 0 3px rgba(178, 90, 63, 0.16); }
.variant-chip.is-disabled { opacity: 0.45; text-decoration: line-through; }
.variant-color-dot { width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--k-line); display: inline-block; }
.variant-image-dot { width: 18px; height: 18px; border-radius: 4px; object-fit: cover; border: 1px solid var(--k-line); }

/* ACTIONS — qty + add */
.k-pdp__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.k-pdp__qty {
  display: flex;
  align-items: center;
  border: 1px solid var(--k-line);
  border-radius: 10px;
  overflow: hidden;
  height: 54px;
}
.k-pdp__qty-btn {
  background: none;
  border: none;
  width: 48px;
  height: 100%;
  cursor: pointer;
  font-size: 20px;
  color: var(--k-ink);
  line-height: 1;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.k-pdp__qty-btn:hover { background: var(--k-ink); color: var(--k-surface); }
.k-pdp__qty-input {
  width: 52px;
  height: 100%;
  border: none;
  text-align: center;
  font-family: var(--k-font-body);
  font-size: 16px;
  font-weight: 700;
  -moz-appearance: textfield;
}
.k-pdp__qty-input::-webkit-outer-spin-button,
.k-pdp__qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.k-pdp__add {
  flex: 1;
  min-width: 220px;
  font-family: var(--k-font-body);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--k-accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  height: 54px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background-color 0.18s ease;
}
.k-pdp__add:hover { background: var(--k-ink); }

/* WISHLIST */
.k-pdp__wish {
  font-family: var(--k-font-body);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--k-ink);
  border: 1px solid var(--k-line);
  border-radius: 10px;
  height: 50px;
  cursor: pointer;
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.k-pdp__wish:hover { border-color: var(--k-accent); color: var(--k-accent); }
.k-pdp__wish.is-active { color: var(--k-accent); border-color: var(--k-accent); }

/* PACKAGE */
.k-pdp__package { border: 1px solid var(--k-line-soft); border-radius: var(--k-radius); padding: 20px 22px; background: #fff; margin-bottom: 24px; }
.k-pdp__package-title { font-family: var(--k-font-display); font-weight: 800; font-size: 16px; letter-spacing: -0.01em; margin: 0 0 6px; }

/* Bundle contents list: check icon · name (+ variant) · qty × total */
.k-pdp__package ul { margin: 0 !important; }
.k-pdp__package li {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 0;
  border-top: 1px solid var(--k-line-soft);
  font-family: var(--k-font-body);
  font-size: 14px;
  color: var(--k-ink);
}
.k-pdp__package li:first-child { border-top: none; }
.k-pdp__package li > .bi-check2 { flex: 0 0 auto; margin-top: 1px; color: var(--k-accent); font-size: 17px; line-height: 1; }
.k-pdp__package .pkg-item-link { color: var(--k-ink); text-decoration: none; }
.k-pdp__package .pkg-item-link:hover { color: var(--k-accent); }
.k-pdp__package li small { color: var(--k-muted) !important; margin-top: 2px; }
.k-pdp__package .pkg-item-meta { flex: 0 0 auto; display: flex; align-items: baseline; gap: 10px; white-space: nowrap; }
.k-pdp__package .pkg-item-qty { color: var(--k-muted); font-size: 13px; font-weight: 600; }
.k-pdp__package .pkg-item-total { font-weight: 700; color: var(--k-ink); }

.product-package-savings { display: inline-block; margin-top: 14px; padding: 7px 14px; border-radius: 100px; background: color-mix(in srgb, var(--k-accent) 12%, transparent); color: var(--k-accent); font-weight: 700; font-size: 13px; }

/* ACCORDION — independent items (no data-bs-parent), +/- toggle, square edges */
.k-pdp__accordion { border-top: 1px solid var(--k-line); margin-top: 8px; }
.k-pdp__accordion,
.k-pdp__accordion .accordion-item,
.k-pdp__accordion .accordion-button,
.k-pdp__accordion .accordion-collapse { border-radius: 0 !important; }
.k-pdp__accordion .accordion-item { border: none; border-bottom: 1px solid var(--k-line); background: transparent; }
.k-pdp__accordion .accordion-button {
  background: transparent;
  font-family: var(--k-font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  padding: 18px 2px;
  box-shadow: none;
  color: var(--k-ink);
}
.k-pdp__accordion .accordion-button:not(.collapsed) { color: var(--k-ink); background: transparent; }
/* + when collapsed, − when open (instead of the Bootstrap chevron) */
.k-pdp__accordion .accordion-button::after {
  background-image: none;
  content: "+";
  width: auto;
  height: auto;
  margin-left: auto;
  font-family: var(--k-font-body);
  font-size: 22px;
  line-height: 1;
  color: var(--k-accent);
  transform: none;
  transition: none;
}
.k-pdp__accordion .accordion-button:not(.collapsed)::after { content: "−"; }
.k-pdp__accordion .accordion-body { padding: 0 2px 22px; font-family: var(--k-font-body); font-size: 14px; line-height: 1.65; color: var(--k-muted); }
.product-specs dt { font-size: 13px; font-weight: 600; color: var(--k-muted); }
.product-specs dd { font-size: 13px; margin-bottom: 0.4rem; }
#product-features { padding-left: 1.1rem; }

/* RELATED */
.k-pdp-related .k-section { padding-top: 60px; padding-bottom: 80px; }
#product-related-slider .home-products-shell { position: relative; display: flex; align-items: center; gap: 8px; }
#product-related-slider .home-products-slider { overflow: hidden; flex: 1; }
#product-related-slider .home-products-track { display: flex; transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
#product-related-slider .home-products-slide { flex: 0 0 100%; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
#product-related-slider .home-product-wrapper { display: flex; }
#product-related-slider .home-products-arrow {
  flex: 0 0 auto; width: 40px; height: 40px; border-radius: 50%;
  background: rgba(246, 244, 240, 0.92); border: 1px solid var(--k-line);
  color: var(--k-ink); display: flex; align-items: center; justify-content: center;
  font-size: 18px; cursor: pointer;
}
#product-related-slider .home-products-arrow:hover:not(:disabled) { background: #fff; border-color: var(--k-ink); }
#product-related-slider .home-products-arrow:disabled { opacity: 0.3; cursor: default; }
/* Desktop: the dots track reads as a stray line (arrows handle nav) → hide.
   Mobile: keep it as a scroll/progress indicator, like the default theme. */
@media (min-width: 768px) {
  #product-related-slider .home-products-dots { display: none; }
}
#product-related-slider .home-products-dots { margin-top: 18px; height: 3px; background: rgba(20, 19, 15, 0.16); border-radius: 100px; overflow: hidden; }
#product-related-slider .slider-fill { display: block; height: 100%; background: var(--k-accent); transition: width 0.25s ease; }

/* Related cards (product.js renders leon .home-product-card markup; repaint
   Knight). Uniform sizing: equal height, fixed-aspect image (independent of
   source size), 2-line title, price + CTA pinned to the bottom. */
#product-related-slider .home-product-card {
  background: var(--k-card);
  border: 1px solid var(--k-line-soft);
  border-radius: var(--k-radius);
  overflow: hidden;
  box-shadow: var(--k-shadow);
  display: flex;
  flex-direction: column;
  height: 100%;
}
#product-related-slider .home-product-card .card-img-top {
  aspect-ratio: 1 / 1;
  width: 100%;
  object-fit: cover;
  display: block;
  background: var(--k-placeholder);
}
#product-related-slider .product-card-body { flex: 1 1 auto; display: flex; flex-direction: column; padding: 16px; }
#product-related-slider .small-brand-name {
  font-family: var(--k-font-body); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--k-muted-2); margin-bottom: 7px;
}
#product-related-slider .product-card-link { text-decoration: none; color: inherit; }
#product-related-slider .prod-title {
  font-family: var(--k-font-body); font-weight: 600; font-size: 15px; line-height: 1.2;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: calc(1.2em * 2);
  margin-bottom: 10px;
}
/* price + add CTA pinned to the bottom so every card aligns */
#product-related-slider .cart-block { margin-top: auto; display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; }
#product-related-slider .price-block { display: flex; flex-direction: column; justify-content: flex-end; min-height: 40px; }
#product-related-slider .price-main { font-family: var(--k-font-body); font-weight: 700; font-size: 16px; }
#product-related-slider .price-main.is-discounted { color: var(--k-accent); }
#product-related-slider .price-old { font-size: 13px; color: rgba(20, 19, 15, 0.4); text-decoration: line-through; }

/* ── DELIVERY PROMISE ──
   Styled by the shared Knight delivery-promise.css (identical to checkout:
   accent box + pulsing 8px dot). The PDP only adds bottom spacing; no per-page
   overrides so the box/dot stay in sync with checkout. */
#delivery-promise.delivery-promise { margin-bottom: 30px; }

/* PAGE LOADING OVERLAY */
.page-loading-overlay {
  position: fixed; inset: 0;
  background: rgba(237, 237, 237, 0.92);
  backdrop-filter: blur(2px);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}
.page-loading-overlay.is-visible { opacity: 1; visibility: visible; pointer-events: all; }
.page-loading-box { display: flex; flex-direction: column; align-items: center; padding: 18px; }
.page-loading-overlay .spinner-border { color: var(--k-accent); }

/* RESPONSIVE */
@media (max-width: 991.98px) {
  .k-pdp__inner { grid-template-columns: 1fr; gap: 32px; }
  .k-pdp__gallery { position: static; }
}
@media (max-width: 767.98px) {
  .k-pdp__inner { padding: 20px 18px 48px; }
  .k-pdp-related .k-section { padding-bottom: 40px; }   /* trim the gap before the footer */
  /* Main image on top, thumbnails in a horizontal scroll row below */
  .k-pdp__gallery { display: flex; flex-direction: column; gap: 12px; }
  .k-pdp__main { order: 1; }
  .k-pdp__thumbs {
    order: 2;
    flex-direction: row;
    overflow-x: auto;
    gap: 10px;
    scrollbar-width: none;
  }
  .k-pdp__thumbs::-webkit-scrollbar { display: none; }
  .k-pdp__thumbs .product-gallery-thumb { flex: 0 0 64px; }
  .k-pdp__title { font-size: 30px; }
  #product-related-slider .home-products-slide { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  #product-related-slider .home-products-arrow { display: none; }
}