/* ============================================================
   PRODUCT DETAIL — Universal product detail styles
   Tokens: --esd-* (overrideable per template via body.tpl-*)
   Defaults: light, neutral — per-template CSS overrides below
   ============================================================ */

:root {
  --esd-bg:            #ffffff;
  --esd-surface:       #f9fafb;
  --esd-text:          #1a1a2e;
  --esd-text-2:        #64748b;
  --esd-text-3:        #94a3b8;
  --esd-accent:        var(--bsc-primary, #2563eb);
  --esd-accent-hover:  var(--bsc-primary-dark, #1d4ed8);
  --esd-accent-text:   #ffffff;
  --esd-on-accent:     #ffffff;
  --esd-price:         var(--bsc-primary, #2563eb);
  --esd-sale:          #dc2626;
  --esd-line:          #e5e7eb;
  --esd-radius:        8px;
  --esd-btn-radius:    8px;
  --esd-font:          system-ui, -apple-system, sans-serif;
  --esd-font-display:  system-ui, -apple-system, sans-serif;
  --esd-divider:       1px solid var(--esd-line);
  --esd-card-shadow:   0 1px 3px rgba(0,0,0,.06);
  --esd-btn-bg:        var(--esd-accent);
  --esd-btn-text:      #ffffff;
  --esd-btn-hover:     var(--esd-accent-hover);
  --esd-badge-bg:      var(--esd-accent);
  --esd-badge-text:    #ffffff;
  --esd-badge-sale:    #dc2626;
  --esd-stock-in:      #22c55e;
  --esd-stock-out:     #ef4444;
  --esd-overlay:       rgba(10, 10, 15, 0.72);
  --esd-overlay-dark:  rgba(10, 10, 15, 0.9);
}

.esd-page {
  padding: 48px 0 80px;
  background: var(--esd-bg);
  color: var(--esd-text);
  font-family: var(--esd-font);
}
.esd-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

.esd-bc {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.esd-bc a {
  color: var(--esd-text-3);
  text-decoration: none;
  transition: color 0.15s;
}
.esd-bc a:hover { color: var(--esd-text); }
.esd-bc-sep { color: var(--esd-text-3); display: flex; align-items: center; }
.esd-bc-current { color: var(--esd-text-2); font-weight: 500; }

.esd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 64px;
}

.esd-gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.esd-main-img {
  position: relative;
  aspect-ratio: 1/1;
  background: var(--esd-surface);
  border: 1px solid var(--esd-line);
  border-radius: var(--esd-radius);
  overflow: hidden;
  cursor: zoom-in;
}
.esd-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.esd-main-img:hover img { transform: scale(1.03); }
.esd-noimg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--esd-text-3);
}

.esd-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--esd-badge-bg);
  color: var(--esd-badge-text);
}
.esd-badge-sale { background: var(--esd-sale); color: #fff; }

.esd-zoom-btn {
  position: absolute;
  bottom: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  background: var(--esd-overlay);
  border: 1px solid var(--esd-line);
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  backdrop-filter: blur(4px);
}
.esd-zoom-btn:hover { background: var(--esd-overlay-dark); }

.esd-thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.esd-thumb {
  width: 68px;
  height: 68px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--esd-line);
  background: var(--esd-surface);
  cursor: pointer;
  padding: 0;
  transition: border-color 0.15s;
  flex-shrink: 0;
}
.esd-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.esd-thumb.active { border-color: var(--esd-accent); }
.esd-thumb:hover  { border-color: var(--esd-text-2); }

.esd-info {
  display: flex;
  flex-direction: column;
}

.esd-divider {
  border: 0;
  border-top: var(--esd-divider);
  margin: 20px 0;
}

.esd-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--esd-accent);
  text-decoration: none;
  margin-bottom: 12px;
}
.esd-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--esd-text);
  line-height: 1.15;
  margin: 0 0 16px;
  font-family: var(--esd-font-display);
}
.esd-short {
  font-size: 15px;
  color: var(--esd-text-2);
  line-height: 1.65;
  margin: 0 0 24px;
}

.esd-info-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--esd-text-3);
  margin: 16px 0 12px;
}

.esd-price-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 20px 0;
  border-top: var(--esd-divider);
  border-bottom: var(--esd-divider);
  margin-bottom: 20px;
}
.esd-price {
  font-size: 40px;
  font-weight: 800;
  color: var(--esd-price);
  line-height: 1;
  font-family: var(--esd-font-display);
}
.esd-old-price {
  font-size: 18px;
  color: var(--esd-text-3);
  text-decoration: line-through;
}

.esd-attrs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.esd-attr-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: var(--esd-divider);
  font-size: 14px;
}
.esd-attr-label {
  color: var(--esd-text-2);
  font-weight: 500;
}
.esd-attr-value {
  color: var(--esd-text);
  font-weight: 600;
}

.esd-datepicker {
  font-size: 13px;
  color: var(--esd-text-2);
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.esd-datepicker input {
  padding: 12px 14px;
  border: 1px solid var(--esd-line);
  border-radius: var(--esd-radius);
  background: var(--esd-surface);
  color: var(--esd-text);
  font-family: inherit;
  font-size: 14px;
}

.esd-stock {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
}
.esd-stock-in,
.esd-stock-out {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}
.esd-stock-in  { color: var(--esd-stock-in); }
.esd-stock-out { color: var(--esd-stock-out); }

.esd-actions {
  display: flex;
  gap: 12px;
  align-items: stretch;
  margin-bottom: 24px;
}
.esd-qty {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--esd-line);
  border-radius: var(--esd-radius);
  overflow: hidden;
  background: var(--esd-surface);
}
.esd-qty-btn {
  width: 44px;
  height: 52px;
  border: none;
  background: transparent;
  color: var(--esd-text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.esd-qty-btn:hover {
  background: var(--esd-surface);
  color: var(--esd-text);
}
.esd-qty input {
  width: 56px;
  height: 52px;
  border: none;
  border-left: 1px solid var(--esd-line);
  border-right: 1px solid var(--esd-line);
  background: transparent;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--esd-text);
  font-family: inherit;
  -moz-appearance: textfield;
}
.esd-qty input::-webkit-outer-spin-button,
.esd-qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.esd-add-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--esd-btn-bg);
  color: var(--esd-btn-text);
  border: none;
  border-radius: var(--esd-btn-radius);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, opacity 0.15s, transform 0.15s;
}
.esd-add-btn:hover {
  background: var(--esd-btn-hover);
  opacity: 0.95;
  transform: translateY(-1px);
}

.esd-meta {
  font-size: 12px;
  color: var(--esd-text-3);
  margin-bottom: 20px;
}
.esd-meta span { color: var(--esd-text-2); }

.esd-desc {
  border-top: var(--esd-divider);
  padding-top: 24px;
  margin-top: 8px;
}
.esd-desc-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--esd-text-3);
  margin-bottom: 12px;
}
.esd-desc-body {
  font-size: 14px;
  color: var(--esd-text-2);
  line-height: 1.75;
}

.esd-related { margin-top: 16px; }
.esd-related-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--esd-text-3);
  margin-bottom: 20px;
}
.esd-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.esd-rel-card {
  text-decoration: none;
  color: inherit;
  background: var(--esd-surface);
  border: 1px solid var(--esd-line);
  border-radius: var(--esd-radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: var(--esd-card-shadow);
}
.esd-rel-card:hover {
  border-color: var(--esd-accent);
  transform: translateY(-2px);
}
.esd-rel-img {
  aspect-ratio: 1/1;
  background: var(--esd-surface);
  overflow: hidden;
  position: relative;
}
.esd-rel-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.esd-rel-card:hover .esd-rel-img img { transform: scale(1.05); }
.esd-rel-noimg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--esd-text-3);
}
.esd-rel-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--esd-sale);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 100px;
}
.esd-rel-body { padding: 12px 14px; }
.esd-rel-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--esd-text);
  margin-bottom: 4px;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.esd-rel-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--esd-price);
}

.esd-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10010;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.25s, visibility 0.25s;
}
.esd-lightbox.open {
  visibility: visible;
  opacity: 1;
}
.esd-lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.92);
  cursor: zoom-out;
}
.esd-lb-img-wrap {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.esd-lb-img-wrap img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
}
.esd-lb-close {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: #fff;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.esd-lb-close:hover { background: rgba(255,255,255,0.2); }
.esd-lb-prev,
.esd-lb-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: #fff;
  width: 48px;
  height: 48px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.esd-lb-prev { left: 20px; }
.esd-lb-next { right: 20px; }
.esd-lb-prev:hover,
.esd-lb-next:hover { background: rgba(255,255,255,0.2); }
.esd-lb-counter {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  background: rgba(0,0,0,0.5);
  padding: 6px 14px;
  border-radius: 100px;
}

@media (max-width: 900px) {
  .esd-grid { grid-template-columns: 1fr; gap: 32px; }
  .esd-related-grid { grid-template-columns: repeat(2, 1fr); }
  .esd-title { font-size: 26px; }
}
@media (max-width: 480px) {
  .esd-container { padding: 0 16px; }
  .esd-page { padding: 24px 0 60px; }
  .esd-price { font-size: 32px; }
  .esd-related-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}