/* ============ Product detail (Technolife-inspired PDP) ============ */
.pdp-breadcrumb-wrap {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: .65rem 0;
}
.pdp-breadcrumb { font-size: .8rem; }
.pdp-breadcrumb a { color: var(--gray); text-decoration: none; }
.pdp-breadcrumb a:hover { color: var(--primary); }

.pdp-page { padding: 1.25rem 0 3rem; }

.pdp-main {
  display: grid;
  grid-template-columns: 1fr 1.15fr 300px;
  gap: 1.25rem;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

/* Gallery */
.pdp-gallery { display: flex; flex-direction: column; gap: .75rem; }
.pdp-gallery-main {
  position: relative;
  background: #fafaf9;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pdp-gallery-main-img {
  width: 100%;
  max-height: 380px;
  object-fit: contain;
  transition: opacity .2s;
}
.pdp-discount-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #dc2626;
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: .25rem .55rem;
  border-radius: 6px;
  z-index: 1;
}
.pdp-gallery-thumbs {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.pdp-gallery-thumb {
  width: 56px;
  height: 56px;
  padding: 0;
  border: 2px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  transition: border-color .15s;
}
.pdp-gallery-thumb.is-active { border-color: var(--primary); }
.pdp-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Info center */
.pdp-info { padding: 0 .25rem; }
.pdp-brand {
  font-size: .78rem;
  color: var(--gray);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .3px;
}
.pdp-brand:hover { color: var(--primary); }
.pdp-title {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.55;
  margin: .35rem 0 .5rem;
  color: var(--dark);
}

/* Product labels — prominent on PDP */
.product-labels--pdp {
  gap: .5rem;
  margin: 0 0 1rem;
  padding: .65rem .75rem;
  background: linear-gradient(135deg, #fafaf9 0%, #fff7ed 100%);
  border: 1px solid #fed7aa;
  border-radius: var(--radius);
}
.product-labels--pdp .product-label {
  font-size: .82rem;
  font-weight: 800;
}
.product-labels--pdp .product-label i {
  font-size: .92rem;
}
.product-labels--pdp .product-label--soft,
.product-labels--pdp .product-label--solid,
.product-labels--pdp .product-label--outline,
.product-labels--pdp .product-label--accent {
  padding: .4rem .75rem;
  border-radius: 999px;
}
.product-labels--pdp .product-label-text {
  white-space: normal;
}

.pdp-rating-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.pdp-rating-text { font-size: .85rem; font-weight: 700; color: var(--dark); }
.pdp-rating-link { font-size: .82rem; color: var(--primary); text-decoration: none; }
.pdp-rating-link:hover { text-decoration: underline; }

.pdp-key-specs {
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .85rem 1rem;
  margin-bottom: 1rem;
}
.pdp-key-specs-title {
  font-size: .82rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 .65rem;
}
.pdp-key-specs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.pdp-key-specs-list li {
  display: flex;
  justify-content: space-between;
  gap: .75rem;
  font-size: .8rem;
  line-height: 1.45;
}
.pdp-key-specs-key { color: var(--gray); flex-shrink: 0; }
.pdp-key-specs-val { font-weight: 600; color: var(--dark); text-align: left; }

.pdp-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
}
.pdp-quick-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray);
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: .35rem .75rem;
  text-decoration: none;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.pdp-quick-btn:hover { color: var(--primary); border-color: var(--primary-muted); }

.pdp-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
}
.pdp-service-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .75rem;
  color: var(--gray);
  background: #fafaf9;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .45rem .6rem;
}
.pdp-service-item i { color: var(--primary); font-size: .9rem; }

/* Buy box */
.pdp-buybox {
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  position: sticky;
  top: var(--pdp-sticky-top, 128px);
}
.pdp-seller { margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.pdp-seller-head { display: flex; align-items: center; gap: .65rem; margin-bottom: .65rem; }
.pdp-seller-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.pdp-seller-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 3px;
}
.pdp-seller-label { display: block; font-size: .68rem; color: var(--gray); }
.pdp-seller-name { font-size: .92rem; color: var(--dark); }
.pdp-seller-meta { display: flex; flex-direction: column; gap: .35rem; font-size: .78rem; }
.pdp-stock { display: flex; align-items: center; gap: .3rem; font-weight: 600; }
.pdp-stock--in { color: #16a34a; }
.pdp-stock--out { color: #dc2626; }
.pdp-ship-note, .pdp-warranty { color: var(--gray); display: flex; align-items: center; gap: .3rem; }

.pdp-pricebox { margin-bottom: .85rem; }
.pdp-price-savings { margin-bottom: .35rem; }
.pdp-price-savings-amount {
  font-size: .78rem;
  font-weight: 700;
  color: #dc2626;
  background: #fef2f2;
  padding: .2rem .5rem;
  border-radius: 6px;
}
.pdp-price-row { display: flex; flex-direction: column; gap: .15rem; }
.pdp-price-old {
  font-size: .85rem;
  color: var(--gray);
  text-decoration: line-through;
}
.pdp-price-current {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
}
.pdp-price-current small { font-size: .75rem; font-weight: 500; color: var(--gray); }

.pdp-urgency {
  font-size: .78rem;
  font-weight: 700;
  color: #dc2626;
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: .3rem;
}

.pdp-cart-form { display: flex; flex-direction: column; gap: .65rem; }

/* In-cart widget (Digikala-style) */
.pdp-in-cart {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.pdp-in-cart-info {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  min-width: 0;
}
.pdp-in-cart-label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--dark);
}
.pdp-view-cart {
  border: none;
  background: none;
  padding: 0;
  font-size: .78rem;
  font-weight: 600;
  color: #2563eb;
  cursor: pointer;
  text-align: right;
}
.pdp-view-cart:hover { text-decoration: underline; }
.pdp-qty-stepper {
  display: flex;
  align-items: center;
  border: 1.5px solid #f9a8a8;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: #fff;
}
.pdp-qty-btn {
  width: 40px;
  height: 48px;
  border: none;
  background: #fff;
  color: #ef4444;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .15s;
}
.pdp-qty-btn:hover:not(:disabled) { background: #fef2f2; }
.pdp-qty-btn:disabled { opacity: .35; cursor: not-allowed; }
.pdp-qty-value {
  min-width: 52px;
  text-align: center;
  padding: .25rem .35rem;
  border-right: 1px solid #fecaca;
  border-left: 1px solid #fecaca;
}
.pdp-qty-num {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: #ef4444;
  line-height: 1.2;
}
.pdp-qty-max {
  display: block;
  font-size: .62rem;
  color: var(--gray);
  line-height: 1.2;
}
.pdp-add-btn {
  width: 100%;
  font-weight: 700;
  padding: .7rem 1rem;
  border-radius: 10px;
}
.pdp-add-btn--compact {
  padding: .55rem .85rem;
  font-size: .85rem;
  white-space: nowrap;
}
.pdp-cart-widget--compact .pdp-in-cart { justify-content: flex-end; }
.pdp-cart-widget--compact .pdp-qty-stepper { height: 42px; }
.pdp-cart-widget--compact .pdp-qty-btn { width: 36px; height: 42px; }
.pdp-cart-widget--compact .pdp-qty-num { font-size: 1rem; }

.sticky-buy-action { flex-shrink: 0; }

.pdp-buybox-features {
  list-style: none;
  margin: 1rem 0 0;
  padding: .75rem 0 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: .4rem;
  font-size: .75rem;
  color: var(--gray);
}
.pdp-buybox-features i { color: var(--primary); margin-left: .25rem; }

/* Lower section: tabs + sticky sidebar (aligned with buybox column above) */
.pdp-lower {
  display: grid;
  grid-template-columns: 1fr 1.15fr 300px;
  gap: 1.25rem;
  align-items: start;
}
.pdp-lower-main {
  grid-column: 1 / 3;
  min-width: 0;
}
.pdp-sticky-panel {
  grid-column: 3;
  position: sticky;
  top: var(--pdp-sticky-top, 128px);
  z-index: 10;
  align-self: start;
}

.pdp-intro {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
.pdp-intro-section .pdp-intro-text {
  display: block;
  margin: 0;
  -webkit-line-clamp: unset;
  overflow: visible;
}
.pdp-intro-text {
  font-size: .88rem;
  line-height: 1.85;
  color: #44403c;
}

/* Collapsible sections */
.pdp-collapsible-inner {
  overflow: hidden;
  transition: max-height .35s ease;
}
.pdp-collapsible.is-collapsed .pdp-collapsible-inner {
  max-height: var(--pdp-collapsed-h, 160px);
  position: relative;
}
.pdp-collapsible.is-collapsed .pdp-collapsible-inner::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 56px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), var(--surface) 85%);
  pointer-events: none;
}
.pdp-collapsible.is-expanded .pdp-collapsible-inner {
  max-height: none;
}
.pdp-collapsible.is-expanded .pdp-collapsible-inner::after {
  display: none;
}
.pdp-collapsible-toggle {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  margin-top: .65rem;
  padding: 0;
  border: none;
  background: none;
  font-size: .82rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
}
.pdp-collapsible-toggle:hover { text-decoration: underline; }
.pdp-collapsible-toggle i {
  font-size: .9rem;
  transition: transform .25s ease;
}
.pdp-collapsible.is-expanded .pdp-collapsible-toggle i {
  transform: rotate(180deg);
}

.pdp-sticky-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .85rem;
  box-shadow: 0 8px 28px rgba(28, 25, 23, .08);
}
.pdp-sticky-card-head {
  display: flex;
  gap: .65rem;
  align-items: flex-start;
  margin-bottom: .75rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}
.pdp-sticky-card-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  background: #fafaf9;
  border: 1px solid var(--border);
  border-radius: 8px;
  flex-shrink: 0;
  padding: 2px;
}
.pdp-sticky-card-title {
  font-size: .78rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--dark);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pdp-sticky-card-meta {
  list-style: none;
  margin: 0 0 .75rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  font-size: .72rem;
  color: var(--gray);
}
.pdp-sticky-card-meta i { color: #16a34a; margin-left: .2rem; }
.pdp-sticky-card-meta .text-danger i { color: #dc2626; }
.pdp-sticky-card-price { margin-bottom: .5rem; }
.pdp-sticky-price-old {
  display: block;
  font-size: .75rem;
  color: var(--gray);
  text-decoration: line-through;
}
.pdp-sticky-price-current {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
}
.pdp-sticky-price-current small { font-size: .68rem; font-weight: 500; color: var(--gray); }
.pdp-sticky-urgency {
  font-size: .72rem;
  font-weight: 700;
  color: #dc2626;
  margin-bottom: .65rem;
  display: flex;
  align-items: center;
  gap: .25rem;
}
.pdp-sticky-add-btn {
  width: 100%;
  font-weight: 700;
  font-size: .85rem;
  padding: .6rem .75rem;
  border-radius: 10px;
}

/* Tabs */
.pdp-tabs-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}
.pdp-tabs-header {
  position: sticky;
  top: var(--pdp-sticky-top, 128px);
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.pdp-tabs {
  padding: 0 1rem;
  gap: .25rem;
  margin: 0;
}
.pdp-tabs .nav-link {
  display: block;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--gray);
  font-size: .88rem;
  font-weight: 600;
  padding: .85rem 1rem;
  margin-bottom: -1px;
  text-decoration: none;
  background: transparent;
}
.pdp-tabs .nav-link:hover { color: var(--primary); }
.pdp-tabs .nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: transparent;
}
.pdp-sections {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.pdp-section {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  scroll-margin-top: calc(var(--pdp-sticky-top, 128px) + 56px);
}
.pdp-section:first-child { border-top: none; }
.pdp-tab-title { font-size: 1rem; font-weight: 800; margin-bottom: 1rem; color: var(--dark); }

.pdp-spec-table { margin: 0; }
.pdp-spec-table th {
  width: 38%;
  font-weight: 500;
  color: var(--gray);
  background: var(--light-bg);
  vertical-align: top;
  font-size: .85rem;
}
.pdp-spec-table td { font-size: .85rem; font-weight: 600; }

.pdp-reviews-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}
.pdp-reviews-score {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  font-size: .85rem;
  color: var(--gray);
}
.pdp-reviews-score strong { font-size: 1.5rem; color: var(--dark); }

.pdp-reviews-list { display: flex; flex-direction: column; gap: .85rem; }
.pdp-review-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  background: var(--light-bg);
}
.pdp-review-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: .75rem;
  margin-bottom: .5rem;
}
.pdp-review-author { display: flex; align-items: center; gap: .6rem; }
.pdp-review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
}
.pdp-review-date { display: block; font-size: .72rem; color: var(--gray); font-weight: 400; }
.pdp-review-title { font-size: .9rem; font-weight: 700; margin-bottom: .35rem; }
.pdp-review-body { font-size: .88rem; color: #44403c; line-height: 1.75; margin: 0; }

.pdp-description { font-size: .9rem; line-height: 1.85; color: #44403c; }

/* Related — above specs section */
.pdp-related {
  margin-bottom: 1.5rem;
}
.pdp-related-title { font-size: 1.05rem; font-weight: 800; margin-bottom: 1rem; }
.pdp-related-scroll {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: .5rem;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.pdp-related-scroll::-webkit-scrollbar { display: none; }
.pdp-related-item { flex: 0 0 182px; scroll-snap-align: start; }
.pdp-related-item .pc-card { min-height: 292px; }

.pdp-faq { display: grid; gap: .65rem; }
.pdp-faq-item {
  border: 1px solid #e7e5e4;
  border-radius: 12px;
  padding: .85rem 1rem;
  background: #fff;
}
.pdp-faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.pdp-faq-item summary::-webkit-details-marker { display: none; }
.pdp-faq-answer { margin-top: .65rem; color: #57534e; line-height: 1.8; }

/* Responsive */
@media (max-width: 1199px) {
  .pdp-main { grid-template-columns: 1fr 1fr; }
  .pdp-buybox { grid-column: 1 / -1; position: static; }
  .pdp-lower { grid-template-columns: 1fr; }
  .pdp-lower-main { grid-column: 1; }
  .pdp-sticky-panel { display: none; }
  .pdp-tabs-header { top: 0; }
}

@media (max-width: 767px) {
  .pdp-main {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  .pdp-page { padding-left: 0; padding-right: 0; }
  .pdp-breadcrumb-wrap { padding: .5rem 0; }
  .pdp-breadcrumb { font-size: .75rem; flex-wrap: wrap; }
  .pdp-gallery-main { min-height: 220px; }
  .pdp-title { font-size: 1rem; }
  .pdp-services { grid-template-columns: 1fr 1fr; gap: .5rem; }
  .pdp-tab-content { padding: 1rem; }
  .pdp-related-item { flex: 0 0 150px; }
  .pdp-tabs-header { overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .pdp-tabs-header::-webkit-scrollbar { display: none; }
  .pdp-tabs .nav-link { flex-shrink: 0; font-size: .82rem; padding: .55rem .85rem; white-space: nowrap; }
  .sticky-buy-bar { padding: .55rem .75rem; padding-bottom: max(.55rem, env(safe-area-inset-bottom)); }
}