/* ============================================================
   Individual Item Detail Page Styles
   ============================================================ */

/* --- Item Detail Layout --- */

.item-detail {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-12);
  align-items: start;
  padding-bottom: var(--space-24);
}

@media (max-width: 1024px) {
  .item-detail {
    grid-template-columns: 1fr;
  }
}

/* --- Image Gallery --- */

.item-gallery {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
}

.item-gallery__main {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-bg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  cursor: zoom-in;
}

.item-gallery__main-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity var(--transition);
}

.item-gallery__thumbs {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

.item-gallery__thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition);
  background: var(--color-bg);
}

.item-gallery__thumb:hover,
.item-gallery__thumb.active {
  border-color: var(--color-accent);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(15, 12, 10, 0.95);
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.lightbox.open {
  display: flex;
}

.lightbox__img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: none;
  border: none;
  color: white;
  font-size: var(--text-2xl);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition);
  line-height: 1;
  padding: var(--space-2);
}

.lightbox__close:hover {
  opacity: 1;
}

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: none;
  color: white;
  font-size: var(--text-2xl);
  cursor: pointer;
  padding: var(--space-4) var(--space-6);
  transition: background var(--transition);
  line-height: 1;
}

.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox__prev { left: var(--space-4); }
.lightbox__next { right: var(--space-4); }

/* --- Item Info Panel --- */

.item-info {
  padding-top: var(--space-4);
}

.item-info__production {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.item-info__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

.item-info__price {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  margin-top: var(--space-6);
}

.item-info__condition {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
}

.item-info__cta {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.item-info__cta .btn {
  justify-content: center;
  padding: var(--space-4) var(--space-6);
}

.item-info__cta-note {
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-align: center;
  font-style: italic;
}

.item-info__divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

.item-info__description {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.75;
}

/* Sanitize eBay HTML */
.item-info__description * {
  max-width: 100%;
}

.item-info__description img {
  margin: var(--space-4) 0;
  border: 1px solid var(--color-border);
}

.item-info__description a {
  color: var(--color-accent);
  text-decoration: underline;
}

/* --- Production Details (Item Specifics) --- */

.item-specs {
  margin-top: var(--space-6);
}

.item-specs__title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

.item-specs__table {
  width: 100%;
  border-collapse: collapse;
}

.item-specs__row {
  border-bottom: 1px solid var(--color-border);
}

.item-specs__row:last-child {
  border-bottom: none;
}

.item-specs__label {
  font-size: var(--text-sm);
  color: var(--color-muted);
  padding: var(--space-2) var(--space-4) var(--space-2) 0;
  white-space: nowrap;
  vertical-align: top;
  width: 40%;
}

.item-specs__value {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding: var(--space-2) 0;
}

/* --- Related Items --- */

.related-items {
  margin-top: var(--space-20);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.related-items__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 400;
  margin-bottom: var(--space-8);
}

@media (max-width: 768px) {
  .item-gallery {
    position: static;
  }
}