/* ============================================
   PRODUCT IMAGE NAVIGATION
   Premium brand-style navigation (Zara-inspired)
   ============================================ */

/* Arrow Navigation - Desktop Only */
.main-image-wrapper {
  position: relative;
}

.image-nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(0, 0, 0, 0.15);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex !important;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  opacity: 1 !important; /* Always visible */
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #000;
  padding: 0;
  margin: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Remove hover requirement - arrows always visible */
.main-image-wrapper:hover .image-nav-arrow {
  opacity: 1 !important;
}

.image-nav-arrow:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-50%) scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.image-nav-arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.image-nav-arrow-left {
  left: 12px;
}

.image-nav-arrow-right {
  right: 12px;
}

.image-nav-arrow svg {
  width: 24px;
  height: 24px;
  stroke-width: 2.5;
}

/* Show arrows on mobile/tablet - always visible for easy navigation */
@media (max-width: 1024px) {
  .image-nav-arrow {
    display: flex !important;
    opacity: 1 !important;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
  
  .image-nav-arrow svg {
    width: 24px;
    height: 24px;
    stroke-width: 2.5;
  }
  
  .image-nav-arrow-left {
    left: 8px;
  }
  
  .image-nav-arrow-right {
    right: 8px;
  }
  
  .image-nav-arrow:active {
    transform: translateY(-50%) scale(0.9);
    background: rgba(255, 255, 255, 1);
  }
}

/* Smooth image transitions with sliding animation */
.main-image-wrapper {
  position: relative;
  overflow: hidden;
  min-height: 400px; /* Prevent layout shift during animation */
}

.main-image-wrapper.sliding {
  pointer-events: none; /* Prevent interaction during slide */
}

#main-product-image {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.4s ease;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0); /* GPU acceleration */
  -webkit-transform: translateZ(0);
}

/* Smooth sliding animation - Premium brand style */
.main-image-wrapper img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Enhanced smooth transitions */
.main-image-wrapper img[style*="transform"] {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.4s ease !important;
}

/* Mobile optimizations - no swipe, allow normal scrolling */
@media (max-width: 1024px) {
  .main-image-wrapper {
    touch-action: pan-y pinch-zoom; /* Allow vertical scroll, disable horizontal swipe */
    -webkit-overflow-scrolling: touch;
    overflow: visible;
  }
  
  #main-product-image {
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    touch-action: pan-y pinch-zoom; /* Allow vertical scroll, disable horizontal swipe */
    pointer-events: auto;
  }
  
  /* Remove swipe feedback - we're using arrows instead */
  .main-image-wrapper:active #main-product-image {
    transition: opacity 0.3s ease;
  }
}

/* Active thumbnail indicator */
.thumbnail-item.active {
  opacity: 1;
  border-color: #000;
}

.thumbnail-item {
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

/* Prevent image drag on mobile */
.main-image-wrapper img {
  -webkit-user-drag: none;
  user-select: none;
  pointer-events: auto;
}