/* =====================================================
   ITN Thumbnail Slider – Public Styles
   ===================================================== */

.itn-thumbnail-slider {
  --itn-arrow-size: 44px;
  --itn-arrow-bg: #111;
  --itn-arrow-color: #fff;
  --itn-arrow-radius: 999px;
  --itn-arrow-offset-h: 8px;
  --itn-arrow-offset-v: 0px;
  --itn-thumb-nav-size: 28px;
  --itn-thumb-nav-offset: 4px;
  --itn-thumb-nav-bg: rgba(0, 0, 0, 0.45);
  --itn-thumb-nav-color: #fff;
  --itn-thumb-frame-w: 2px;
  --itn-thumb-frame-s: solid;
  --itn-thumb-frame-c: #0a58ca;
  --itn-thumb-hover-c: #0a58ca;
  --itn-thumb-overlay-color: rgba(0, 0, 0, 0.35);
  --itn-thumb-overlay-hover: 0;
  --itn-thumb-overlay-active: 0;
  --itn-thumb-visible: 5;
  --itn-thumb-gap: 8px;
  width: 100%;
  box-sizing: border-box;
}

/* ── Main slider outer row ─────────────────────────── */
.itn-thumbnail-slider-outer {
  width: 100%;
}
.itn-thumbnail-slider-shell {
  position: relative;
  width: 100%;
  min-width: 0;
  overflow: visible;
}
.itn-main {
  width: 100%;
  overflow: hidden;
}
.itn-track {
  display: flex;
  transition: transform 0.4s ease;
}
.itn-slide {
  min-width: 100%;
  display: none;
}
.itn-slide.is-active,
.itn-thumbnail-slider.is-transition-slide .itn-slide {
  display: block;
}
.itn-slide img {
  width: 100%;
  display: block;
  height: auto;
}

/* ── Navigation arrows – desktop (outside) ─────────── */
.itn-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(calc(-50% + var(--itn-arrow-offset-v)));
  width: var(--itn-arrow-size);
  height: var(--itn-arrow-size);
  border: 0;
  border-radius: var(--itn-arrow-radius);
  background: var(--itn-arrow-bg);
  color: var(--itn-arrow-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--itn-arrow-size) * 0.45);
  line-height: 1;
  transition: opacity 0.2s ease;
  z-index: 4;
}
.itn-arrow-prev {
  left: var(--itn-arrow-offset-h);
}
.itn-arrow-next {
  right: var(--itn-arrow-offset-h);
}
.itn-arrows-position-outside .itn-arrow-prev {
  left: calc((var(--itn-arrow-size) + var(--itn-arrow-offset-h)) * -1);
}
.itn-arrows-position-outside .itn-arrow-next {
  right: calc((var(--itn-arrow-size) + var(--itn-arrow-offset-h)) * -1);
}
.itn-arrows-valign-top .itn-arrow {
  top: var(--itn-arrow-offset-v);
  bottom: auto;
  transform: none;
}
.itn-arrows-valign-bottom .itn-arrow {
  top: auto;
  bottom: var(--itn-arrow-offset-v);
  transform: none;
}

/* Hover-only arrows */
.itn-arrows-hover .itn-arrow {
  opacity: 0;
  pointer-events: none;
}
.itn-arrows-hover:hover .itn-arrow,
.itn-arrows-hover:focus-within .itn-arrow {
  opacity: 1;
  pointer-events: auto;
}

/* Hidden arrows */
.itn-arrows-hidden .itn-arrow {
  display: none !important;
}

/* ── Thumbnail strip ───────────────────────────────── */
.itn-thumbs-wrap {
  position: relative;
  margin-top: 8px;
}
.itn-thumb-nav-position-outside:not(.itn-thumb-nav-hidden) .itn-thumbs-wrap {
  padding-inline: calc(var(--itn-thumb-nav-size) + var(--itn-thumb-nav-offset) + 8px);
}
.itn-thumbs {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  scroll-behavior: smooth;
  gap: var(--itn-thumb-gap);
  flex: 1;
  min-width: 0;
  scrollbar-width: none;
}
.itn-thumb-nav-position-inside:not(.itn-thumb-nav-hidden) .itn-thumbs {
  padding-inline: calc(var(--itn-thumb-nav-size) + var(--itn-thumb-nav-offset) + 8px);
}
.itn-thumbs::-webkit-scrollbar {
  display: none;
}
.itn-thumb {
  flex: 0 0 calc((100% - (var(--itn-thumb-gap) * (var(--itn-thumb-visible) - 1))) / var(--itn-thumb-visible));
  width: calc((100% - (var(--itn-thumb-gap) * (var(--itn-thumb-visible) - 1))) / var(--itn-thumb-visible));
  padding: 0;
  cursor: pointer;
  background: transparent;
  box-sizing: border-box;
  position: relative;
  overflow: visible;
}
.itn-thumb-media {
  display: block;
  width: 100%;
  border-radius: inherit;
  overflow: hidden;
  position: relative;
}
.itn-thumb-media::before {
  content: "";
  position: absolute;
  inset: 0;
  border: var(--itn-thumb-frame-w) var(--itn-thumb-frame-s) transparent;
  border-radius: inherit;
  box-sizing: border-box;
  pointer-events: none;
  transition: border-color 0.15s ease;
}
.itn-thumb-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--itn-thumb-overlay-color);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.itn-thumb:hover .itn-thumb-media::before {
  border-color: var(--itn-thumb-hover-c);
}
.itn-thumb.is-active .itn-thumb-media::before {
  border-color: var(--itn-thumb-frame-c);
}
.itn-thumb:hover .itn-thumb-media::after {
  opacity: var(--itn-thumb-overlay-hover);
}
.itn-thumb.is-active .itn-thumb-media::after {
  opacity: var(--itn-thumb-overlay-active);
}
.itn-thumb img {
  width: 100%;
  display: block;
  height: auto;
}

/* Thumbnail scroll arrows */
.itn-thumb-scroll-prev,
.itn-thumb-scroll-next {
  display: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  align-items: center;
  justify-content: center;
  background: var(--itn-thumb-nav-bg);
  color: var(--itn-thumb-nav-color);
  border: 0;
  cursor: pointer;
  width: var(--itn-thumb-nav-size);
  height: var(--itn-thumb-nav-size);
  font-size: 20px;
  line-height: 1;
  z-index: 3;
  transition: background 0.15s ease;
  padding: 0;
  border-radius: 999px;
}
.itn-thumb-scroll-prev:hover,
.itn-thumb-scroll-next:hover {
  background: rgba(0, 0, 0, 0.7);
}
.itn-thumb-scroll-prev {
  left: var(--itn-thumb-nav-offset);
}
.itn-thumb-scroll-next {
  right: var(--itn-thumb-nav-offset);
}
.itn-thumb-nav-position-outside .itn-thumb-scroll-prev {
  left: 0;
}
.itn-thumb-nav-position-outside .itn-thumb-scroll-next {
  right: 0;
}
.itn-thumb-scroll-prev.is-visible,
.itn-thumb-scroll-next.is-visible {
  display: flex;
}

.itn-thumbnail-slider-edit-link-wrap {
  margin: 10px 0 0;
}

.itn-thumbnail-slider-edit-link {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid #2271b1;
  background: #2271b1;
  color: #fff;
  font-size: 13px;
  text-decoration: none;
}

.itn-thumbnail-slider-edit-link:hover,
.itn-thumbnail-slider-edit-link:focus {
  background: #135e96;
  border-color: #135e96;
  color: #fff;
}

/* ── Mobile adjustments ───────────────────────────── */
@media (max-width: 640px) {
  .itn-arrows-hidden-mobile .itn-arrow {
    display: none !important;
  }
  .itn-thumbs-wrap {
    margin-top: 6px;
  }
  .itn-arrows-position-outside .itn-arrow-prev {
    left: max(calc((var(--itn-arrow-size) + var(--itn-arrow-offset-h)) * -1), calc(var(--itn-arrow-size) * -0.5));
  }
  .itn-arrows-position-outside .itn-arrow-next {
    right: max(calc((var(--itn-arrow-size) + var(--itn-arrow-offset-h)) * -1), calc(var(--itn-arrow-size) * -0.5));
  }
}