/* Position your custom badge */
.top-badge {
    position: absolute;
    top: 0;
    right: 10px;
    background: #ff0000;
    color: white;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: bold;
    z-index: 10;
}


/* Hide ALL sale badges */
.nasa-badges-wrap .sale-label,
.nasa-badges-wrap .deal-label,
.woocommerce span.onsale {
    display: none !important;
}

/* ==============================================
   NASA Product Gallery - Optimized CSS Part 1
   Base Structure & Gallery Layout
   Scope: .nasa-single-product-scroll
============================================== */

/* Reset and Variables */
.nasa-single-product-scroll {
  --nasa-gallery-spacing: 10px;
  --nasa-badge-color: #000000;
  --nasa-icon-size: 32px;
  --nasa-thumb-opacity: 0.3;
  --nasa-thumb-active-opacity: 1;
  --nasa-zoom-bg: #fafafa;
  --nasa-arrow-size: 40px;
  --nasa-image-ratio: 1/1.475;
  --nasa-lightbox-z-index: 999999;
  --nasa-lightbox-bg: rgba(0, 0, 0, 0.92);
  --nasa-arrow-bg: rgba(255, 255, 255, 0.9);
}

/* Scoped reset to prevent conflicts */
.nasa-single-product-scroll * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Main Gallery Container */
.nasa-single-product-scroll {
  display: flex;
  flex-direction: column;
  gap: var(--nasa-gallery-spacing);
  position: relative;
  isolation: isolate; /* Prevent z-index conflicts */
}

/* Product Gallery Layout */
.nasa-single-product-scroll .product-gallery {
  display: flex;
  flex-direction: row;
  gap: var(--nasa-gallery-spacing);
  position: relative;
}

/* Main Image Area */
.nasa-single-product-scroll .nasa-main-wrap {
  flex: 1;
  position: relative;
}

.nasa-single-product-scroll .product-images-slider {
  position: relative;
  overflow: hidden;
}

/* Image Grid */
.nasa-single-product-scroll .nasa-main-image-default-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--nasa-gallery-spacing);
  overflow: hidden;
  will-change: transform;
}

.nasa-single-product-scroll .main-images {
  display: contents;
}

/* Image Container */
.nasa-single-product-scroll .item-wrap {
  position: relative;
  width: 100%;
  height: auto;
  aspect-ratio: var(--nasa-image-ratio);
  background: var(--nasa-zoom-bg);
  contain: layout paint style; /* Performance optimization */
  perspective: 1000px;
}

.nasa-single-product-scroll .vanilla-zoom {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  transform-style: preserve-3d;
}

.nasa-single-product-scroll .vanilla-zoom img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: zoom-in;
  aspect-ratio: var(--nasa-image-ratio);
  content-visibility: auto;
  contain: layout paint;
  transition: opacity 0.3s ease, transform 0.5s cubic-bezier(0.2, 0, 0.2, 1);
  transform-origin: center center;
  will-change: transform;
}

/* Thumbnail Wrapper */
.nasa-single-product-scroll .nasa-thumb-wrap {
  width: 10%;
  display: flex;
  flex-direction: column;
  gap: var(--nasa-gallery-spacing);
  position: sticky;
  top: calc(var(--nasa-gallery-spacing) * 4);
  height: min(80vh, 800px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.2) transparent;
}

/* Custom scrollbar for thumbnails */
.nasa-single-product-scroll .nasa-thumb-wrap::-webkit-scrollbar {
  width: 4px;
}
.nasa-single-product-scroll .nasa-thumb-wrap::-webkit-scrollbar-thumb {
  background-color: rgba(0,0,0,0.2);
  border-radius: 2px;
}

.nasa-single-product-scroll .nasa-thumbnail-default-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px; /* Prevent scrollbar overlap */
}

/* ==============================================
   NASA Product Gallery - Optimized CSS Part 2
   Thumbnails, Badges & Wishlist
   Scope: .nasa-single-product-scroll
============================================== */

/* Thumbnail Items */
.nasa-single-product-scroll .nasa-wrap-item-thumb {
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: var(--nasa-thumb-opacity);
  border: 2px solid transparent;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  background-color: #f8f8f8;
}

.nasa-single-product-scroll .nasa-wrap-item-thumb.nasa-active,
.nasa-single-product-scroll .nasa-wrap-item-thumb:hover,
.nasa-single-product-scroll .nasa-wrap-item-thumb:focus-visible {
  opacity: var(--nasa-thumb-active-opacity);
  border-color: color-mix(in srgb, var(--nasa-badge-color) 20%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.nasa-single-product-scroll .nasa-wrap-item-thumb img {
  width: 100%;
  height: auto;
  aspect-ratio: var(--nasa-image-ratio);
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.nasa-single-product-scroll .nasa-wrap-item-thumb:hover img {
  transform: scale(1.02);
}

/* Badges */
.nasa-single-product-scroll .nasa-badges-wrap {
  position: absolute;
  top: var(--nasa-gallery-spacing);
  right: 30px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 5px;
  pointer-events: none;
}

.nasa-single-product-scroll .badge {
  background: var(--nasa-badge-color);
  color: #fff;
  padding: 3px 10px;
  border-radius: 50px;
  font: 600 0.8em/1.5 sans-serif;
  text-transform: uppercase;
  text-align: center;
  pointer-events: auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nasa-single-product-scroll .badge.sale-label {
  background: var(--nasa-badge-color);
}

.nasa-single-product-scroll .badge.deal-label {
  display: none !important;
}

/* Wishlist Button */
.nasa-single-product-scroll .product-gallery .btn-wishlist {
  background-color: #fff;
  position: relative;
  margin-top: 10px;
  width: var(--nasa-icon-size);
  height: var(--nasa-icon-size);
  opacity: 1;
  color: var(--nasa-badge-color);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  box-shadow: 0 0 5px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.nasa-single-product-scroll .product-gallery .btn-wishlist .nasa-icon {
  width: var(--nasa-icon-size);
  height: var(--nasa-icon-size);
  line-height: var(--nasa-icon-size);
  color: var(--nasa-badge-color);
  text-align: center;
  transition: inherit;
}

.nasa-single-product-scroll .product-gallery .btn-wishlist .nasa-icon:before {
  line-height: inherit;
}

.nasa-single-product-scroll .product-gallery .btn-wishlist svg.nasa-icon {
  width: 22px;
  height: 22px;
}

.nasa-single-product-scroll .product-gallery .btn-wishlist:hover,
.nasa-single-product-scroll .product-gallery .btn-wishlist:focus {
  opacity: 1;
  color: var(--nasa-badge-color);
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
  transform: scale(1.1);
}

.nasa-single-product-scroll .product-gallery .product-image-btn {
  position: absolute;
  height: 1px;
  width: auto;
  top: 0;
  left: 20px;
  z-index: 99;
}

.nasa-single-product-scroll .product-gallery .btn-wishlist svg {
  height: 36px;
}

.nasa-single-product-scroll .product-gallery .btn-wishlist svg.ns-filled {
  position: relative;
  left: unset;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nasa-single-product-scroll .product-gallery .btn-wishlist.active svg.ns-stroke {
  opacity: 0;
}

.nasa-single-product-scroll .product-gallery .btn-wishlist.active svg.ns-filled {
  opacity: 1;
}

/* ==============================================
   NASA Product Gallery - Optimized CSS Part 3
   Navigation, Zoom & Mobile Responsiveness
   Scope: .nasa-single-product-scroll
============================================== */

/* Navigation Arrows */
.nasa-single-product-scroll .nasa-single-slider-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  justify-content: space-between;
  padding: 0 15px;
  pointer-events: none;
}

.nasa-single-product-scroll .nasa-single-arrow {
  pointer-events: auto;
  cursor: pointer;
  background: var(--nasa-arrow-bg);
  border-radius: 50%;
  width: var(--nasa-arrow-size);
  height: var(--nasa-arrow-size);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
  border: none;
  color: var(--nasa-badge-color);
}

.nasa-single-product-scroll .nasa-single-arrow:hover {
  background: #fff;
  transform: scale(1.08);
}

.nasa-single-product-scroll .nasa-single-arrow.nasa-disabled {
  opacity: 0.25;
  pointer-events: none;
}

.nasa-single-product-scroll .nasa-single-arrow svg {
  width: 60%;
  height: 60%;
  fill: currentColor;
}

/* Zoom Functionality */
.nasa-single-product-scroll .vanilla-zoom-flyout {
  position: absolute;
  top: 0;
  left: 100%;
  width: 100%;
  height: 100%;
  margin-left: 10px;
  background: var(--nasa-zoom-bg);
  border: 1px solid #ddd;
  border-radius: 4px;
  overflow: hidden;
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
  transform: translateX(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.nasa-single-product-scroll .vanilla-zoom:hover .vanilla-zoom-flyout {
  opacity: 1;
  transform: translateX(0);
}

.nasa-single-product-scroll .vanilla-zoom:hover img {
  transform: scale(1.05);
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32' fill='none' stroke='%23000' stroke-width='2'%3E%3Ccircle cx='14' cy='14' r='12'/%3E%3Cpath d='M23 23l7 7'/%3E%3C/svg%3E") 16 16, zoom-in;
}

/* Subtle Glow Effect */
.nasa-single-product-scroll .vanilla-zoom::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, 
              rgba(255,255,255,0.2) 0%, 
              transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.nasa-single-product-scroll .vanilla-zoom:hover::after {
  opacity: 1;
}

/* Mobile Responsive */
@media (max-width: 767px) {
  .nasa-single-product-scroll .product-gallery {
    flex-direction: column;
    gap: 0;
  }

  .nasa-single-product-scroll .nasa-thumb-wrap,
  .nasa-single-product-scroll .vanilla-zoom-flyout {
    display: none !important;
  }

  .nasa-single-product-scroll .nasa-main-wrap {
    width: 100%;
  }

  .nasa-single-product-scroll .nasa-badges-wrap {
    right: 15px;
    top: 15px;
  }

  .nasa-single-product-scroll .badge {
    font-size: 0.7em;
    padding: 2px 8px;
  }

  .nasa-single-product-scroll .nasa-single-slider-arrows {
    top: 50%;
    transform: translateY(-50%);
    padding: 0;
    width: 100%;
    display: flex !important;
  }

  .nasa-single-product-scroll .nasa-single-arrow {
    --nasa-arrow-size: 36px;
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    margin: 0 8px;
  }

  .nasa-single-product-scroll .nasa-single-arrow[data-action="prev"] {
    left: 0;
  }

  .nasa-single-product-scroll .nasa-single-arrow[data-action="next"] {
    right: 0;
  }

  .nasa-single-product-scroll .item-wrap {
    touch-action: pan-y;
    scroll-snap-align: start;
    min-width: 100% !important;
    flex: 0 0 100% !important;
    transform: none !important;
    opacity: 1 !important;
    display: block !important;
  }

  .nasa-single-product-scroll .nasa-main-image-default-wrap {
    display: flex !important;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    grid-template-columns: unset !important;
    gap: 0 !important;
  }

  .nasa-single-product-scroll .main-images {
    display: flex !important;
    width: 100%;
  }

  .nasa-single-product-scroll .ns-img-count {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.5);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    z-index: 10;
  }

  /* Disable hover effects on mobile */
  .nasa-single-product-scroll .vanilla-zoom:hover img {
    transform: none;
  }
  
  .nasa-single-product-scroll .vanilla-zoom::after {
    display: none;
  }

  /* Hide all items except active one initially */
  .nasa-single-product-scroll .item-wrap:not(.active) {
    display: none;
  }
}

/* ==============================================
   NASA Product Gallery - Optimized CSS Part 4
   Accessibility, Print Styles & Final Optimizations
   Scope: .nasa-single-product-scroll
============================================== */

/* Accessibility Focus States */
.nasa-single-product-scroll .nasa-single-arrow:focus-visible,
.nasa-single-product-scroll .btn-wishlist:focus-visible,
.nasa-single-product-scroll .nasa-wrap-item-thumb:focus-visible {
  outline: 2px solid var(--nasa-badge-color);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px rgba(0,0,0,0.1);
}

/* Screen Reader Text */
.nasa-single-product-scroll .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
  .nasa-single-product-scroll * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .nasa-single-product-scroll .vanilla-zoom img,
  .nasa-single-product-scroll .nasa-wrap-item-thumb img {
    transition: none !important;
  }
}

/* Print Styles */
@media print {
  .nasa-single-product-scroll {
    display: block !important;
    break-inside: avoid;
  }

  .nasa-single-product-scroll .nasa-thumb-wrap,
  .nasa-single-product-scroll .nasa-single-arrow,
  .nasa-single-product-scroll .btn-wishlist,
  .nasa-single-product-scroll .nasa-badges-wrap,
  .nasa-single-product-scroll .product-image-btn {
    display: none !important;
  }

  .nasa-single-product-scroll .product-gallery {
    flex-direction: column !important;
  }

  .nasa-single-product-scroll .item-wrap {
    break-inside: avoid;
    page-break-inside: avoid;
    margin-bottom: 20px;
  }

  .nasa-single-product-scroll .vanilla-zoom img {
    max-width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    border: 1px solid #ddd !important;
  }

  .nasa-single-product-scroll .nasa-main-image-default-wrap {
    display: block !important;
  }
}

/* Performance Optimizations */
.nasa-single-product-scroll .nasa-main-image-default-wrap img,
.nasa-single-product-scroll .nasa-wrap-item-thumb img {
  content-visibility: auto;
  contain: layout paint;
}

/* Prevent CLS (Cumulative Layout Shift) */
.nasa-single-product-scroll .item-wrap {
  aspect-ratio: var(--nasa-image-ratio);
}

/* Image Loading States */
.nasa-single-product-scroll .nasa-wrap-item-thumb img[loading="lazy"] {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 400% 100%;
}

@media (prefers-reduced-motion: no-preference) {
  .nasa-single-product-scroll .nasa-wrap-item-thumb img[loading="lazy"] {
    animation: nasa-loadingShimmer 1.5s infinite;
  }
}

@keyframes nasa-loadingShimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Lightbox Overrides for Gallery */
.nasa-single-product-scroll .modern-lightbox {
  --nasa-lightbox-z-index: 999999;
  --nasa-lightbox-bg: rgba(0, 0, 0, 0.92);
}

/* Fallbacks for Older Browsers */
@supports not (aspect-ratio: 1/1) {
  .nasa-single-product-scroll .item-wrap {
    height: 0;
    padding-bottom: calc(100% / var(--nasa-image-ratio));
    position: relative;
  }
  
  .nasa-single-product-scroll .item-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
  }
}

/* Touch Device Optimizations */
@media (pointer: coarse) {
  .nasa-single-product-scroll .nasa-main-image-default-wrap {
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }

  .nasa-single-product-scroll .item-wrap {
    scroll-snap-align: start;
    flex: 0 0 100%;
  }

  .nasa-single-product-scroll .vanilla-zoom img {
    cursor: grab;
  }

  .nasa-single-product-scroll .vanilla-zoom img:active {
    cursor: grabbing;
  }
  
  .nasa-single-product-scroll .vanilla-zoom:active img {
    transform: scale(0.98);
  }
}

/* ==============================================
   NASA Product Gallery - Optimized CSS Part 5
   Enhanced Zoom Effects & Final Touches
   Scope: .nasa-single-product-scroll
============================================== */

/* Enhanced Image Zoom Effect */
.nasa-single-product-scroll .vanilla-zoom:hover img {
  transform: scale(1.05) translateZ(10px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

/* Zoom Direction Controls */
.nasa-single-product-scroll .vanilla-zoom[data-zoom-direction="top"] img {
  transform-origin: center top;
}

.nasa-single-product-scroll .vanilla-zoom[data-zoom-direction="center"] img {
  transform-origin: center center;
}

.nasa-single-product-scroll .vanilla-zoom[data-zoom-direction="left"] img {
  transform-origin: left center;
}

.nasa-single-product-scroll .vanilla-zoom[data-zoom-direction="right"] img {
  transform-origin: right center;
}

.nasa-single-product-scroll .vanilla-zoom[data-zoom-direction="bottom"] img {
  transform-origin: center bottom;
}

/* Video Thumbnail Styling */
.nasa-single-product-scroll .nasa-item-main-video-wrap {
  position: relative;
}

.nasa-single-product-scroll .nasa-item-main-video-wrap .ns-video-size {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nasa-single-product-scroll .nasa-item-main-video-wrap::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  z-index: 2;
  transition: all 0.3s ease;
}

.nasa-single-product-scroll .nasa-item-main-video-wrap::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-40%, -50%);
  width: 0;
  height: 0;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 20px solid var(--nasa-badge-color);
  z-index: 3;
  transition: all 0.3s ease;
}

.nasa-single-product-scroll .nasa-item-main-video-wrap:hover::before {
  background-color: rgba(255, 255, 255, 0.9);
  transform: translate(-50%, -50%) scale(1.1);
}

.nasa-single-product-scroll .nasa-item-main-video-wrap:hover::after {
  transform: translate(-40%, -50%) scale(1.1);
}

/* Image Counter Styling */
.nasa-single-product-scroll .ns-img-count {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* Lightbox Transition Fixes */
.nasa-single-product-scroll .modern-lightbox img {
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity 0.3s ease !important;
}

/* RTL Support */
[dir="rtl"] .nasa-single-product-scroll .nasa-badges-wrap {
  right: auto;
  left: 30px;
}

[dir="rtl"] .nasa-single-product-scroll .product-image-btn {
  left: auto;
  right: 20px;
}

[dir="rtl"] .nasa-single-product-scroll .vanilla-zoom-flyout {
  left: auto;
  right: 100%;
  margin-left: 0;
  margin-right: 10px;
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .nasa-single-product-scroll .vanilla-zoom img {
    border: 0.5px solid rgba(0,0,0,0.05);
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .nasa-single-product-scroll {
    --nasa-zoom-bg: #222;
  }
  
  .nasa-single-product-scroll .nasa-wrap-item-thumb {
    background-color: #333;
  }
  
  .nasa-single-product-scroll .nasa-wrap-item-thumb img[loading="lazy"] {
    background: linear-gradient(90deg, #333 25%, #444 50%, #333 75%);
  }
}

/* Final Performance Tweaks */
.nasa-single-product-scroll .vanilla-zoom {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.nasa-single-product-scroll .item-wrap {
  /* Hardware acceleration */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  
  /* Smooth transitions for all animatable properties */
  transition: 
    transform 0.3s ease-out,
    opacity 0.3s ease,
    visibility 0.3s ease;
  
  /* Initial state */
  opacity: 1;
  visibility: visible;
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}

/* For inactive slides */
.nasa-single-product-scroll .item-wrap.inactive {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  visibility: hidden;
  z-index: 0;
  pointer-events: none;
}

/* Touch device optimizations */
@media (pointer: coarse) {
  .nasa-single-product-scroll .item-wrap {
    -webkit-tap-highlight-color: transparent;
    touch-action: pan-y;
  }
}


/* Loading State (removed visibility:hidden) */
.nasa-single-product-scroll .nasa-main-image-default-wrap {
  opacity: 1;
  transition: opacity 0.3s ease;
}

.nasa-single-product-scroll .nasa-main-image-default-wrap.initializing {
  opacity: 0.5;
}