/* ==========================================================================
   Product detail page
   Matches the Stitch "product_detail_page" screen.
   ========================================================================== */

/* Faint paper-grain overlay across the whole page. */
.pd-texture {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
}

.pd {
  padding-top: 2rem;
  padding-bottom: 6rem;
  padding-inline: var(--page-margin);
}

/* ---- Breadcrumbs --------------------------------------------------------- */
.pd-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  color: var(--color-on-surface-variant);
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.pd-breadcrumbs a { transition: color 150ms var(--ease); }
.pd-breadcrumbs a:hover { color: var(--color-primary); }
.pd-breadcrumbs .material-symbols-outlined { font-size: 16px; }
.pd-breadcrumbs__current { color: var(--color-primary); }

/* ---- Layout -------------------------------------------------------------- */
.pd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gutter);
}

/* ---- Gallery ------------------------------------------------------------- */
/* Photos are shown whole (contain, never cropped). Clicking one opens the full-size popup; on desktop,
   hovering shows a magnified view in a pane beside the photo (product_detail.js). */
.pd-gallery { position: relative; display: flex; flex-direction: column; gap: 1rem; }
.pd-gallery__main {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 30%, transparent);
  border-radius: var(--radius-card);
  background: var(--color-surface-container-low);
  box-shadow: 0 12px 24px rgb(111 48 130 / 0.04);
}
.pd-gallery__open { display: block; width: 100%; height: 100%; cursor: zoom-in; }
.pd-gallery__open:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.pd-gallery__main img { width: 100%; height: 100%; object-fit: contain; }

/* The hint names the gesture that works on this device (see the media queries below). */
.pd-gallery__hint {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: -0.25rem;
  font-size: 0.8125rem;
  line-height: 1.25rem;
  color: var(--color-on-surface-variant);
}
.pd-gallery__hint .material-symbols-outlined { font-size: 18px; }
.pd-gallery__hint-click,
.pd-gallery__hint-zoom { display: none; }

/* Hover zoom: a lens over the photo, and the magnified area in a pane laid over the info column. */
.pd-zoom__lens {
  position: absolute;
  z-index: 1;
  border: 1px solid color-mix(in srgb, var(--color-primary) 60%, transparent);
  background: color-mix(in srgb, var(--color-surface) 30%, transparent);
  pointer-events: none;
}
.pd-zoom__pane {
  position: absolute;
  top: 0;
  left: calc(100% + 4rem);
  z-index: 30;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 50%, transparent);
  border-radius: var(--radius-card);
  background-color: var(--color-surface-container-lowest);
  background-repeat: no-repeat;
  box-shadow: 0 24px 48px rgb(45 41 38 / 0.18);
  pointer-events: none;
}

.pd-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}
.pd-thumb {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 30%, transparent);
  border-radius: var(--radius-card);
  background: var(--color-surface-container-low);
  transition: border-color 150ms var(--ease), opacity 150ms var(--ease);
}
.pd-thumb:hover { opacity: 0.8; }
.pd-thumb[aria-current="true"] { border-color: var(--color-primary); box-shadow: inset 0 0 0 1px var(--color-primary); }
.pd-thumb img { width: 100%; height: 100%; object-fit: contain; }

/* ---- Full-size photo popup ----------------------------------------------- */
.pd-lightbox {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: color-mix(in srgb, var(--color-inverse-surface) 95%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--color-surface-bright);
}
.pd-lightbox[open] { display: flex; }
.pd-lightbox::backdrop { background: transparent; }
.pd-lightbox__stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
  margin: 0;
  padding: 4.5rem 1rem 1.5rem;
  touch-action: pan-y pinch-zoom;
}
.pd-lightbox__img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(100vh - 9rem);
  max-height: calc(100dvh - 9rem);
  object-fit: contain;
  border-radius: var(--radius-control);
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.35);
}
.pd-lightbox__count {
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: color-mix(in srgb, var(--color-surface-bright) 75%, transparent);
}
.pd-lightbox__close,
.pd-lightbox__step {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-soft);
  color: var(--color-surface-bright);
  transition: background-color 150ms var(--ease), color 150ms var(--ease);
}
.pd-lightbox__close { top: 1rem; right: 1rem; padding: 0.5rem; }
.pd-lightbox__close .material-symbols-outlined { font-size: 1.875rem; }
.pd-lightbox__step {
  top: 50%;
  width: 3rem;
  height: 3rem;
  background: rgb(255 255 255 / 0.12);
  transform: translateY(-50%);
}
.pd-lightbox__step--prev { left: 1rem; }
.pd-lightbox__step--next { right: 1rem; }
.pd-lightbox__step .material-symbols-outlined { font-size: 2rem; }
.pd-lightbox__close:hover,
.pd-lightbox__step:hover { background: rgb(255 255 255 / 0.2); color: var(--color-primary-fixed); }
.pd-lightbox__close:focus-visible,
.pd-lightbox__step:focus-visible { outline: 2px solid var(--color-primary-fixed); outline-offset: 2px; }

/* ---- Info column --------------------------------------------------------- */
.pd-info { display: flex; flex-direction: column; padding-top: 1rem; }
.pd-title {
  margin-bottom: 0.5rem;
  font-size: 1.75rem;
  line-height: 2.25rem;
  font-weight: 700;
}
.pd-subtitle {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: var(--color-on-surface-variant);
}

.pd-description { margin-bottom: 2.5rem; }
.pd-description p { line-height: 1.625; }
.pd-description p + p { margin-top: 1rem; color: var(--color-on-surface-variant); }
.pd-description strong { font-weight: 600; color: var(--color-primary); }

/* ---- Tabs ---------------------------------------------------------------- */
.pd-tabs {
  margin-bottom: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid color-mix(in srgb, var(--color-outline-variant) 20%, transparent);
}
.pd-tabs__list {
  display: flex;
  gap: 2rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  white-space: nowrap;
  border-bottom: 1px solid color-mix(in srgb, var(--color-outline-variant) 20%, transparent);
}
.pd-tabs__tab {
  padding-bottom: 1rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  transition: color 150ms var(--ease);
}
.pd-tabs__tab:hover { color: var(--color-primary); }
.pd-tabs__tab[aria-selected="true"] {
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.pd-tabs__panel { line-height: 1.625; color: var(--color-on-surface-variant); }
.pd-tabs__panel--strong { color: var(--color-on-surface); }
.pd-spec-list { margin: 0; padding-left: 0; list-style: none; line-height: 1.5; }
.pd-spec-list li + li { margin-top: 0.5rem; }
.pd-spec-list strong { font-weight: 700; color: var(--color-on-surface); }

/* ---- Specification cards ------------------------------------------------- */
.pd-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 0 0 2.5rem;
}
.pd-spec {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  border: 1px solid color-mix(in srgb, var(--color-outline-variant) 20%, transparent);
  border-radius: var(--radius-card);
  background: var(--color-surface-container-low);
}
.pd-spec .material-symbols-outlined { margin-bottom: 0.25rem; color: var(--color-secondary); }
.pd-spec dt {
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}
.pd-spec dd { margin: 0; } /* Stitch asks for 500, but it only loaded 400/600/700, so the design renders 400 */

/* ---- Wholesale action ---------------------------------------------------- */
.pd-action { display: flex; justify-content: center; margin-top: 2rem; }
.pd-action__btn {
  display: block;
  width: 100%;
  padding: 1rem 3rem;
  border-radius: var(--radius-soft);
  background: var(--color-primary);
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  color: var(--color-on-primary);
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
  transition: all 150ms var(--ease);
}
.pd-action__btn:hover { background: var(--color-primary-container); color: var(--color-on-primary-container); }
.pd-action__btn:active { transform: scale(0.95); }

@media (min-width: 768px) {
  .pd { padding-top: 4rem; padding-bottom: 8rem; }
  .pd-title { font-size: 3rem; line-height: 3.5rem; letter-spacing: -0.02em; }
  .pd-lightbox__stage { padding: 4.5rem 6rem 2rem; }
  .pd-lightbox__close { top: 1.5rem; right: 1.5rem; }
  .pd-lightbox__step--prev { left: 1.5rem; }
  .pd-lightbox__step--next { right: 1.5rem; }
}
/* With a mouse the photo is clicked, not tapped; on wide screens there is room for the zoom pane too. */
@media (hover: hover) and (pointer: fine) {
  .pd-gallery__hint-tap { display: none; }
  .pd-gallery__hint-click { display: inline; }
}
@media (hover: hover) and (pointer: fine) and (min-width: 1024px) {
  .pd-gallery__hint-click { display: none; }
  .pd-gallery__hint-zoom { display: inline; }
}
@media (min-width: 1024px) {
  .pd-layout { grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 4rem; }
  .pd-gallery { grid-column: span 5 / span 5; }
  .pd-info { grid-column: span 7 / span 7; padding-top: 2rem; }
}

.pd-tabs__panel p + p { margin-top: 1rem; }