/* ==========================================================================
   PRODUCT-DETAIL.CSS
   Styles for the single product page (products.html) ONLY.
   Extends the existing design tokens already defined in css/styles.css
   (--color-green, --color-crimson, --bg-*, --text-*, --radius-*, etc).
   No header/footer/navbar rules are included here — those already exist
   in css/styles.css.
   ========================================================================== */

/* ---- A few tokens used by this page that styles.css doesn't define yet ---- */
:root {
  --transition: var(--transition-fast, all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1));
  --shadow-green: 0 10px 25px rgba(212, 175, 55, 0.3);
  --shadow-crimson: 0 10px 25px rgba(132, 12, 36, 0.3);
  --radius-xl: 20px;
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-green-dark); font-weight: 600; }

/* ---- Layout ---- */
.single-product-section { padding: 80px 0; }
.single-product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* ---- Gallery ---- */
.product-gallery-main {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
  position: relative;
  border: 2px solid var(--border-light);
}
.product-gallery-main img { max-height: 360px; object-fit: contain; }
.product-gallery-thumbs { display: flex; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.thumb-box {
  width: 76px;
  height: 76px;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
  padding: 8px;
}
.thumb-box img { max-width: 100%; max-height: 100%; object-fit: contain; }
.thumb-box.active,
.thumb-box:hover { border-color: var(--color-green); background: var(--bg-green-subtle); }

/* ---- Gallery Out of Stock (White Fade Effect) ---- */
.product-gallery-main.is-out-of-stock {
  position: relative;
  overflow: hidden;
  background: #ffffff;
}

.product-gallery-main.is-out-of-stock img#main-product-img {
  opacity: 0.32;
  filter: grayscale(35%) brightness(1.08);
  pointer-events: none;
  user-select: none;
}

.product-gallery-main .out-of-stock-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-xl);
  z-index: 5;
  pointer-events: none;
  animation: fadeInOverlay 0.3s ease;
}

@keyframes fadeInOverlay {
  from { opacity: 0; }
  to { opacity: 1; }
}

.out-of-stock-overlay-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(132, 12, 36, 0.94);
  color: #ffffff;
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 8px 24px rgba(132, 12, 36, 0.3);
}

/* ---- Gallery Thumbs Out of Stock (Disabled Selection) ---- */
.product-gallery-thumbs.is-out-of-stock {
  pointer-events: none;
  user-select: none;
}

.product-gallery-thumbs.is-out-of-stock .thumb-box,
.thumb-box.disabled {
  opacity: 0.4;
  cursor: not-allowed !important;
  pointer-events: none !important;
  filter: grayscale(40%);
  border-color: var(--border-light) !important;
  background: var(--bg-secondary) !important;
}

/* ---- Product Info ---- */
.product-info-box { display: flex; flex-direction: column; gap: 20px; }
.product-info-badges { display: flex; gap: 10px; flex-wrap: wrap; }

.badge-green {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-green-subtle);
  color: var(--color-green-dark);
  border: 1px solid rgba(212, 175, 55, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
}
.badge-crimson {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-crimson-subtle);
  color: var(--color-crimson-dark);
  border: 1px solid rgba(132, 12, 36, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
}

.product-info-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-dark);
}

.product-info-rating { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.product-info-rating .stars { color: #f59e0b; font-size: 1.1rem; }
.product-info-rating .rating-count { font-size: 0.88rem; color: var(--text-muted); }

.product-info-price { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.price-current { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; color: var(--text-dark); }
.price-old { font-size: 1rem; color: var(--text-muted); text-decoration: line-through; }
.price-discount {
  background: var(--bg-green-subtle);
  color: var(--color-green-dark);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
}

/* ---- Weight / Variant Selector ---- */
.weight-selector { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; margin-bottom: 4px; }
.weight-selector-label { font-weight: 700; font-size: 0.85rem; color: var(--text-dark); letter-spacing: 0.05em; text-transform: uppercase; }
.weight-pills-row { display: flex; gap: 10px; flex-wrap: wrap; }
.weight-pill {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: #ffffff;
  color: var(--text-dark);
  border: 1.5px solid var(--border-light);
  cursor: pointer;
  transition: var(--transition);
}
.weight-pill.active,
.weight-pill-green.active {
  background: #e0f7fa;
  color: #006064;
  border-color: #b2ebf2;
  font-weight: 700;
}
.weight-pill-crimson.active {
  background: var(--bg-crimson-subtle);
  color: var(--color-crimson-dark);
  border-color: var(--color-crimson);
}

/* ---- Quantity ---- */
.quantity-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.qty-control {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.qty-control.disabled {
  opacity: 0.45;
  pointer-events: none;
  background: var(--bg-secondary);
  cursor: not-allowed;
}
.qty-control .qty-btn {
  width: 44px;
  height: 44px;
  background: var(--bg-secondary);
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-dark);
  font-weight: 700;
  transition: var(--transition);
}
.qty-control:not(.disabled) .qty-btn:hover { background: var(--color-green); color: #fff; }
.qty-control.disabled .qty-btn {
  cursor: not-allowed;
  pointer-events: none;
}
.qty-num {
  width: 52px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  border-left: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
}

/* ---- Stock Status Badge ---- */
.stock-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.stock-status-badge.in-stock {
  color: #1b5e20;
  background: rgba(46, 125, 50, 0.1);
  border: 1.5px solid rgba(46, 125, 50, 0.28);
}

.stock-status-badge.in-stock::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2e7d32;
  box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.2);
}

.stock-status-badge.out-of-stock {
  color: var(--color-crimson, #840c24);
  background: var(--bg-crimson-subtle, #f8ecee);
  border: 1.5px solid rgba(132, 12, 36, 0.28);
}

.stock-status-badge.out-of-stock::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-crimson, #840c24);
  box-shadow: 0 0 0 2px rgba(132, 12, 36, 0.2);
}

/* ---- Actions ---- */
.product-action-row { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.btn.disabled,
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed !important;
  pointer-events: none !important;
  box-shadow: none !important;
  transform: none !important;
  filter: grayscale(35%);
}
.btn-green {
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-green-dark) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-green);
}
.btn-green:not(.disabled):hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(212, 175, 55, 0.4); }
.btn-crimson {
  background: linear-gradient(135deg, var(--color-crimson) 0%, var(--color-crimson-dark) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-crimson);
}
.btn-crimson:not(.disabled):hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(132, 12, 36, 0.4); }

/* ---- Accordion ---- */
.product-info-accordion { border: 1px solid var(--border-light); border-radius: var(--radius-md); overflow: hidden; }
.accordion-item { border-bottom: 1px solid var(--border-light); }
.accordion-item:last-child { border-bottom: none; }
.accordion-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  background: #fff;
  color: var(--text-dark);
  transition: var(--transition);
  border: none;
  width: 100%;
  text-align: left;
}
.accordion-trigger:hover { background: var(--bg-secondary); }
.accordion-body { padding: 0 20px 16px; font-size: 0.9rem; color: var(--text-body); line-height: 1.7; background: #fff; display: none; }
.accordion-body.open { display: block; }
.accordion-body ul { list-style: disc; padding-left: 18px; }
.accordion-body li { margin-bottom: 6px; }

/* ==========================================================================
   RESPONSIVE / MOBILE
   ========================================================================== */
@media (max-width: 1024px) {
  .single-product-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .single-product-section { padding: 36px 0; }
  .product-gallery-main { min-height: 300px; padding: 24px; }
  .product-gallery-main img { max-height: 260px; }
  .product-info-title { font-size: 1.5rem; }
  .price-current { font-size: 1.7rem; }
  .product-action-row { flex-direction: column; }
  .product-action-row .btn { width: 100%; }
  .quantity-row { gap: 12px; }
}

@media (max-width: 480px) {
  .thumb-box { width: 60px; height: 60px; }
  .product-gallery-main { min-height: 240px; padding: 16px; }
  .product-gallery-main img { max-height: 200px; }
  .product-info-badges { gap: 6px; }
  .badge-green, .badge-crimson { padding: 4px 12px; font-size: 0.78rem; }
  .weight-pill { padding: 6px 12px; font-size: 0.78rem; }
  .qty-control .qty-btn { width: 38px; height: 38px; }
  .qty-num { width: 44px; height: 38px; }
  .breadcrumb { font-size: 0.78rem; gap: 6px; }
}