/* ==========================================================
   WooCommerce gallery thumbnails -> carousel
   Works with the default FlexSlider gallery (ol.flex-control-thumbs)
   ========================================================== */

/* Tweak these to match your theme */
.woocommerce-product-gallery {
  --wct-visible: 4;            /* thumbnails visible at once */
  --wct-gap: 10px;             /* space between thumbnails */
  --wct-arrow-size: 32px;
  --wct-arrow-bg: #fff;
  --wct-arrow-color: #222;
  --wct-active-border: #222;   /* outline on the selected thumbnail */
  --wct-radius: 4px;
}

@media (max-width: 600px) {
  .woocommerce-product-gallery {
    --wct-visible: 3;
  }
}

/* Wrapper injected by the JS */
.wc-thumbs-carousel {
  position: relative;
  margin-top: var(--wct-gap);
}

/* The thumbnail strip */
.woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs {
  position: relative;          /* makes li.offsetLeft relative to the strip */
  display: flex !important;
  flex-wrap: nowrap;
  gap: var(--wct-gap);
  margin: 0 !important;
  padding: 0 !important;
  list-style: none;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;       /* Firefox */
  overscroll-behavior-x: contain;
}

.woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs::-webkit-scrollbar {
  display: none;               /* Chrome / Safari */
}

/* Kill clearfix pseudo-elements some themes add (they'd become flex items) */
.woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs::before,
.woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs::after {
  content: none !important;
  display: none !important;
}

/* Each thumbnail: override WooCommerce's width: 25%; float: left */
.woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs li {
  flex: 0 0 calc((100% - (var(--wct-visible) - 1) * var(--wct-gap)) / var(--wct-visible));
  width: auto !important;
  float: none !important;
  margin: 0 !important;
  padding: 0;
  scroll-snap-align: start;
}

.woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs li img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 2px solid transparent;
  border-radius: var(--wct-radius);
  box-sizing: border-box;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

.woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs li img:hover {
  opacity: 0.85;
}

.woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs li img.flex-active {
  opacity: 1;
  border-color: var(--wct-active-border);
}

/* Prev / next arrows */
.wc-thumbs-carousel .wct-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--wct-arrow-size);
  height: var(--wct-arrow-size);
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 50%;
  background: var(--wct-arrow-bg);
  color: var(--wct-arrow-color);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transform: translateY(-50%);
  transition: opacity 0.2s ease;
}

.wc-thumbs-carousel .wct-prev { left: 4px; }
.wc-thumbs-carousel .wct-next { right: 4px; }

.wc-thumbs-carousel .wct-arrow svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.wc-thumbs-carousel .wct-arrow:focus-visible {
  outline: 2px solid var(--wct-active-border);
  outline-offset: 2px;
}

.wc-thumbs-carousel .wct-arrow[disabled] {
  opacity: 0;
  pointer-events: none;
}

/* Hide arrows entirely when all thumbnails fit */
.wc-thumbs-carousel:not(.is-overflowing) .wct-arrow {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .woocommerce-product-gallery .wc-thumbs-carousel .flex-control-thumbs {
    scroll-behavior: auto;
  }
}