/* ==========================================================================
   LUXSLATE PRODUCT DETAIL (SINGLE PORTFOLIO) STYLES
   ========================================================================== */

.lux-product-page-wrap {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 30px 20px 80px;
  font-family: var(--swm-body-font-family, 'Manrope', -apple-system, sans-serif);
  color: #222222;
  box-sizing: border-box;
}

/* --- Breadcrumb --- */
.lux-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #888888;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.lux-breadcrumb a {
  color: #666666;
  text-decoration: none;
  transition: color 0.2s ease;
}

.lux-breadcrumb a:hover {
  color: #B89758;
}

.lux-breadcrumb .sep {
  color: #CCCCCC;
  font-size: 11px;
}

.lux-breadcrumb .current {
  color: #111111;
  font-weight: 600;
}

/* --- Hero Section: 2 Columns --- */
.lux-product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 50px;
  margin-bottom: 70px;
  align-items: start;
}

/* --- Left Column: Gallery --- */
.lux-gallery-col {
  position: sticky;
  top: 100px;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.lux-main-display {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #F8F7F4;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lux-main-display img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.3s ease;
  cursor: zoom-in;
}

.lux-main-display:hover img {
  transform: scale(1.04);
}

.lux-badge-overlay {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 2;
  pointer-events: none;
}

.lux-badge-gold {
  background: rgba(18, 18, 18, 0.88);
  backdrop-filter: blur(8px);
  color: #D4AF37;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.lux-badge-sub {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  color: #27ae60;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  width: fit-content;
}

/* Main Display Navigation Arrows */
.lux-main-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #111111;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  opacity: 0;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  padding: 0;
}

.lux-main-display:hover .lux-main-nav-arrow {
  opacity: 1;
}

.lux-main-prev {
  left: 14px;
}

.lux-main-next {
  right: 14px;
}

.lux-main-nav-arrow:hover {
  background: #111111;
  color: #FFFFFF;
  border-color: #111111;
  transform: translateY(-50%) scale(1.08);
}

@media (max-width: 768px) {
  .lux-main-nav-arrow {
    opacity: 0.9;
    width: 34px;
    height: 34px;
  }
}

/* Thumbnails Single-Row Carousel with < > Navigation */
.lux-thumbs-carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.lux-thumb-nav-btn {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #222222;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
  z-index: 2;
  padding: 0;
  user-select: none;
}

.lux-thumb-nav-btn:hover {
  background: #111111;
  color: #FFFFFF;
  border-color: #111111;
  transform: scale(1.06);
}

.lux-thumb-nav-btn:active {
  transform: scale(0.96);
}

.lux-thumb-nav-btn.disabled,
.lux-thumb-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.lux-thumbs-track {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 10px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* IE/Edge */
  -webkit-overflow-scrolling: touch;
  flex: 1 1 0%;
  min-width: 0;
  /* CRITICAL: Allows flex child to shrink below intrinsic content size */
  padding: 4px 2px;
}

.lux-thumbs-track::-webkit-scrollbar {
  display: none;
  /* Chrome, Safari */
}

.lux-thumb-item {
  flex: 0 0 74px;
  width: 74px;
  height: 74px;
  aspect-ratio: 1;
  background: #F4F2EE;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  user-select: none;
}

.lux-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.lux-thumb-item:hover {
  border-color: rgba(184, 151, 88, 0.5);
  transform: translateY(-2px);
}

.lux-thumb-item.active {
  border-color: #B89758;
  box-shadow: 0 4px 10px rgba(184, 151, 88, 0.3);
}

/* Photo counter badge */
.lux-photo-counter {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(18, 18, 18, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  letter-spacing: 0.5px;
  pointer-events: none;
  z-index: 4;
}

/* Quick Zoom Button on Main Display */
.lux-zoom-btn {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(18, 18, 18, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  z-index: 4;
  transition: all 0.25s ease;
  line-height: 1;
}

.lux-zoom-btn svg {
  display: block;
}

.lux-zoom-btn:hover {
  background: rgba(184, 151, 88, 0.95);
  border-color: #B89758;
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* --- Right Column: Product Info --- */
.lux-info-col {
  display: flex;
  flex-direction: column;
}

.lux-category-tag {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #B89758;
  font-weight: 700;
  margin-bottom: 8px;
}

.lux-product-title {
  font-size: 32px;
  line-height: 1.25;
  color: #111111;
  font-weight: 700;
  margin: 0 0 14px 0;
  letter-spacing: -0.5px;
}

/* Meta Bar: SKU, Stock, Rating */
.lux-meta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #666666;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  margin-bottom: 22px;
}

.lux-meta-sku {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
}

.lux-meta-sku strong {
  color: #222222;
}

.lux-copy-sku-btn {
  background: #F0EEE9;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #666666;
  padding: 0;
  transition: all 0.2s ease;
  position: relative;
}

.lux-copy-sku-btn:hover {
  background: #111111;
  color: #FFFFFF;
  border-color: #111111;
}

.lux-copy-tooltip {
  position: absolute;
  top: -26px;
  left: 50%;
  transform: translateX(-50%);
  background: #111111;
  color: #FFFFFF;
  font-size: 10px;
  padding: 3px 7px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 10;
}

.lux-copy-sku-btn:hover .lux-copy-tooltip,
.lux-copy-sku-btn.copied .lux-copy-tooltip {
  opacity: 1;
}

.lux-meta-stock {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #27ae60;
  font-weight: 600;
}

.lux-meta-stock::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #27ae60;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.2);
}

.lux-meta-rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #D4AF37;
}

/* Price Box */
.lux-price-box {
  background: #FBF9F5;
  border-left: 3px solid #B89758;
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 26px;
}

.lux-price-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #777777;
  margin-bottom: 4px;
}

.lux-price-value {
  font-size: 26px;
  font-weight: 800;
  color: #B89758;
  line-height: 1.2;
}

.lux-price-note {
  font-size: 12px;
  color: #888888;
  margin-top: 6px;
}

/* Quick Specs */
.lux-specs-card {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 26px;
}

.lux-specs-card-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #111111;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lux-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  font-size: 13px;
}

.lux-spec-item {
  display: flex;
  flex-direction: column;
}

.lux-spec-k {
  color: #777777;
  font-size: 12px;
  margin-bottom: 2px;
}

.lux-spec-v {
  color: #111111;
  font-weight: 600;
}

/* Direct contact actions: Solid eCommerce purchase CTA button style */
.lux-actions-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
  margin-bottom: 28px;
}

.lux-contact-heading {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.lux-contact-heading strong {
  color: #111111 !important;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.2px;
}

.lux-contact-heading span {
  color: #666666 !important;
  font-size: 12.5px;
  line-height: 1.45;
}

.lux-contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

/* Base Action Button: Solid, clickable, eCommerce purchase button feel */
.lux-contact-btn {
  min-height: 58px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 11px;
  padding: 11px 16px;
  border-radius: 9px;
  border: 1px solid transparent;
  color: #FFFFFF !important;
  text-decoration: none !important;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  position: relative;
  overflow: hidden;
}

.lux-contact-btn:hover,
.lux-contact-btn:focus-visible {
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
  filter: brightness(1.05);
}

.lux-contact-btn:active {
  transform: translateY(0) scale(0.985);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.lux-contact-btn > svg {
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  color: #FFFFFF !important;
  transition: transform 0.18s ease;
}

.lux-contact-btn:hover > svg {
  transform: scale(1.08);
}

.lux-contact-btn > span {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}

.lux-contact-btn strong,
.lux-contact-btn small {
  display: block;
}

.lux-contact-btn strong {
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.25;
  color: #FFFFFF !important;
  letter-spacing: -0.1px;
}

.lux-contact-btn small {
  font-size: 11px;
  font-weight: 500;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.88) !important;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 1. Messenger */
.lux-contact-btn-messenger {
  background: #0084FF !important;
  border-color: #0084FF !important;
}
.lux-contact-btn-messenger:hover,
.lux-contact-btn-messenger:focus-visible {
  background: #0073E6 !important;
}

/* 2. Zalo */
.lux-contact-btn-zalo {
  background: #0068FF !important;
  border-color: #0068FF !important;
}
.lux-contact-btn-zalo:hover,
.lux-contact-btn-zalo:focus-visible {
  background: #0056D6 !important;
}

/* 3. WhatsApp */
.lux-contact-btn-whatsapp {
  background: #25D366 !important;
  border-color: #25D366 !important;
}
.lux-contact-btn-whatsapp:hover,
.lux-contact-btn-whatsapp:focus-visible {
  background: #1FB858 !important;
}

/* 4. Hotline / Gọi ngay: Sửa triệt để lỗi chữ đen trên nền đen */
.lux-contact-btn-call {
  background: #111111 !important;
  border-color: #111111 !important;
  color: #FFFFFF !important;
}
.lux-contact-btn-call:hover,
.lux-contact-btn-call:focus-visible {
  background: #262626 !important;
  border-color: #262626 !important;
}
.lux-contact-btn-call svg {
  stroke: #FFFFFF !important;
  color: #FFFFFF !important;
  fill: none !important;
}
.lux-contact-btn-call strong {
  color: #FFFFFF !important;
}
.lux-contact-btn-call small {
  color: rgba(255, 255, 255, 0.82) !important;
}

/* 5. Mua trên Shopee: Nút dài chuẩn sàn TMĐT */
.lux-contact-btn-shopee {
  grid-column: 1 / -1;
  min-height: 52px;
  background: #FFFDF8 !important;
  border: 1.5px solid rgba(184, 151, 88, 0.65) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}
.lux-contact-btn-shopee svg {
  stroke: #111111 !important;
  color: #111111 !important;
  fill: none !important;
}
.lux-contact-btn-shopee strong {
  color: #111111 !important;
  font-size: 13.5px;
}
.lux-contact-btn-shopee small {
  color: #765A22 !important;
  font-size: 11px;
}
.lux-contact-btn-shopee:hover,
.lux-contact-btn-shopee:focus-visible {
  background: #B89758 !important;
  border-color: #B89758 !important;
  color: #FFFFFF !important;
  box-shadow: 0 6px 16px rgba(184, 151, 88, 0.28);
}
.lux-contact-btn-shopee:hover svg {
  stroke: #FFFFFF !important;
  color: #FFFFFF !important;
}
.lux-contact-btn-shopee:hover strong,
.lux-contact-btn-shopee:hover small {
  color: #FFFFFF !important;
}

/* Helper note */
.lux-contact-note {
  margin: 3px 0 0;
  color: #777777;
  font-size: 11.5px;
  line-height: 1.45;
}
.lux-contact-note strong {
  color: #111111;
  background: rgba(0, 0, 0, 0.05);
  padding: 1px 6px;
  border-radius: 4px;
}

/* Commitment Box */
.lux-commit-box {
  background: #F9F9F8;
  border: 1px dashed rgba(0, 0, 0, 0.12);
  border-radius: 8px;
  padding: 16px 18px;
}

.lux-commit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lux-commit-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: #333333;
}

.lux-commit-list li svg,
.lux-commit-list li i {
  color: #B89758;
  flex-shrink: 0;
}

/* --- Bottom Section: Tabs --- */
.lux-product-tabs-wrap {
  margin-top: 60px;
  margin-bottom: 70px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 40px;
}

.lux-tabs-nav {
  display: flex;
  gap: 10px;
  border-bottom: 2px solid #EFEFEF;
  margin-bottom: 30px;
  overflow-x: auto;
  scrollbar-width: none;
}

.lux-tabs-nav::-webkit-scrollbar {
  display: none;
}

.lux-tab-btn {
  padding: 14px 24px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #777777;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s ease;
}

.lux-tab-btn:hover {
  color: #111111;
}

.lux-tab-btn.active {
  color: #B89758;
  border-bottom-color: #B89758;
}

.lux-tab-pane {
  display: none;
  animation: luxFadeIn 0.35s ease;
  line-height: 1.8;
  color: #444444;
  font-size: 15px;
}

.lux-tab-pane.active {
  display: block;
}

@keyframes luxFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tab contents styling */
.lux-tab-pane h3 {
  font-size: 20px;
  color: #111111;
  margin-top: 0;
  margin-bottom: 16px;
  font-weight: 700;
}

.lux-tab-pane p {
  margin-bottom: 16px;
}

.lux-table-specs {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

.lux-table-specs th,
.lux-table-specs td {
  padding: 12px 16px;
  border-bottom: 1px solid #EEEEEE;
  text-align: left;
  font-size: 14px;
}

.lux-table-specs th {
  width: 30%;
  color: #666666;
  font-weight: 600;
  background: #FAF9F6;
}

.lux-table-specs td {
  color: #111111;
}

/* Care guide checklist */
.lux-care-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 25px;
}

.lux-care-card {
  background: #FBF9F5;
  border: 1px solid rgba(184, 151, 88, 0.2);
  border-radius: 8px;
  padding: 20px;
}

.lux-care-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #B89758;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 12px;
}

.lux-care-card h4 {
  margin: 0 0 8px 0;
  font-size: 15px;
  color: #111111;
  font-weight: 700;
}

.lux-care-card p {
  font-size: 13px;
  color: #666666;
  margin: 0;
  line-height: 1.6;
}

/* --- Related Products Section --- */
.lux-related-section {
  margin-top: 70px;
  padding-top: 40px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.lux-related-header {
  text-align: center;
  margin-bottom: 40px;
}

.lux-related-sub {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #B89758;
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

.lux-related-title {
  font-size: 26px;
  font-weight: 700;
  color: #111111;
  margin: 0;
}

.lux-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.lux-rel-card {
  background: #FFFFFF;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.lux-rel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  border-color: rgba(184, 151, 88, 0.35);
}

.lux-rel-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #F8F7F4;
}

.lux-rel-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.lux-rel-card:hover .lux-rel-thumb img {
  transform: scale(1.06);
}

.lux-rel-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.lux-rel-cat {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #B89758;
  font-weight: 600;
  margin-bottom: 4px;
}

.lux-rel-name {
  font-size: 15px;
  font-weight: 700;
  color: #111111;
  margin: 0 0 10px 0;
  line-height: 1.35;
  text-decoration: none;
}

.lux-rel-name:hover {
  color: #B89758;
}

.lux-rel-bottom {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.lux-rel-price {
  font-size: 13px;
  color: #B89758;
  font-weight: 700;
}

.lux-rel-link {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #111111;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}

.lux-rel-link:hover {
  color: #B89758;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
  .lux-product-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .lux-gallery-col {
    position: static;
    min-width: 0;
    max-width: 100%;
    width: 100%;
  }

  .lux-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lux-care-steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .lux-product-page-wrap {
    padding: 15px 15px 60px;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .lux-product-hero {
    margin-bottom: 40px;
  }

  .lux-product-title {
    font-size: 24px;
  }

  .lux-specs-grid {
    grid-template-columns: 1fr;
  }

  .lux-contact-grid {
    grid-template-columns: 1fr;
  }

  .lux-thumbs-carousel {
    gap: 6px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .lux-thumbs-track {
    gap: 8px;
    padding: 2px;
  }

  .lux-thumb-item {
    flex: 0 0 58px;
    width: 58px;
    height: 58px;
  }

  .lux-thumb-nav-btn {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
  }

  .lux-related-grid {
    grid-template-columns: 1fr;
  }

  .lux-price-value {
    font-size: 22px;
  }
}

/* ==========================================================================
   LIGHTBOX MODAL & STICKY ACTION BAR
   ========================================================================== */

/* Lightbox Zoom Modal (Ultra-Luxurious Fullscreen View) */
.lux-lightbox-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 10, 10, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 999999999;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 20px;
  box-sizing: border-box;
  overflow: hidden;
}

.lux-lightbox-backdrop.open {
  display: flex;
  animation: luxFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.lux-lightbox-topbar {
  position: absolute;
  top: 20px;
  left: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 20;
  pointer-events: none;
}

.lux-lightbox-counter {
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 14px;
  border-radius: 20px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: auto;
}

.lux-lightbox-close {
  pointer-events: auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.28);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  line-height: 1;
  font-family: Arial, -apple-system, BlinkMacSystemFont, sans-serif;
  transition: all 0.2s ease;
  user-select: none;
  padding: 0;
  margin: 0;
  outline: none;
}

.lux-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.32);
  transform: scale(1.08);
}

.lux-lightbox-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 82vh;
  position: relative;
  cursor: default;
  z-index: 10;
}

.lux-lightbox-stage img {
  max-width: 88vw;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: opacity 0.15s ease, transform 0.25s ease;
  user-select: none;
  display: block;
}

/* Lightbox Navigation Arrows */
.lux-lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
  font-family: inherit;
  cursor: pointer;
  z-index: 20;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  user-select: none;
  padding: 0;
  margin: 0;
  outline: none;
}

.lux-lightbox-arrow:hover {
  background: rgba(184, 151, 88, 0.95);
  border-color: #B89758;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.lux-lightbox-arrow-prev {
  left: 24px;
  padding-right: 2px;
}

.lux-lightbox-arrow-next {
  right: 24px;
  padding-left: 2px;
}

@media (max-width: 768px) {
  .lux-lightbox-arrow {
    width: 40px;
    height: 40px;
  }

  .lux-lightbox-arrow-prev {
    left: 10px;
  }

  .lux-lightbox-arrow-next {
    right: 10px;
  }

  .lux-lightbox-stage img {
    max-width: 94vw;
    max-height: 75vh;
  }

  .lux-lightbox-topbar {
    top: 14px;
    left: 16px;
    right: 16px;
  }
}

.lux-lightbox-caption {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  letter-spacing: 0.3px;
  text-align: center;
  pointer-events: none;
  background: rgba(18, 18, 18, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 7px 18px;
  border-radius: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  max-width: 90vw;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 20;
}

@media (max-width: 600px) {
  .lux-lightbox-caption {
    font-size: 11px;
    padding: 5px 12px;
    white-space: normal;
  }
}

/* Sticky Quick Action Bar on Mobile */
.lux-sticky-bottom-bar {
  display: none;
}

@media (max-width: 768px) {
  .lux-sticky-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    padding: 10px 14px;
    box-sizing: border-box;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    transform: translateY(110%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .lux-sticky-bottom-bar.visible {
    transform: translateY(0);
  }

  .lux-sticky-product {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    flex: 1;
  }

  .lux-sticky-product img {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid rgba(0, 0, 0, 0.08);
  }

  .lux-sticky-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
  }

  .lux-sticky-title {
    font-size: 13px;
    font-weight: 700;
    color: #111111;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .lux-sticky-price {
    font-size: 12px;
    font-weight: 700;
    color: #B89758;
  }

  .lux-sticky-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
  }

  .lux-sticky-btn-messenger {
    background: #1877F2;
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 6px;
    padding: 9px 14px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
  }

  .lux-sticky-btn-messenger:hover {
    background: #0F65D5;
    color: #FFFFFF;
  }

  .lux-sticky-btn-zalo {
    background: #0068FF;
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
  }

  .lux-sticky-btn-zalo:hover {
    background: #0056D6;
  }

  /* Offset Back-to-Top button so it does not collide with sticky bar */
  .swm-btt-btn {
    bottom: 70px !important;
    z-index: 9997 !important;
  }
}