:root {
  --kts-brand: #113a5d; /* dark blue from logo */
  --kts-accent: #e54c3c; /* red from logo */
}

.kts-gallery {
  display: grid;
  grid-template-columns: repeat(var(--kts-columns, 3), 1fr);
  gap: var(--kts-gap, 8px);
  width: 100%;
  position: relative;
  overflow: hidden;
}
/* Force override of Grid for Masonry layout */
.kts-gallery.kts-layout-mason { display: block !important; grid-template-columns: none !important; gap: 0 !important; }
/* Automatic responsive columns */
.kts-gallery[data-auto="1"] {
  grid-template-columns: repeat(auto-fit, minmax(var(--kts-min, 220px), 1fr));
}
.kts-gallery .kts-item {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--kts-radius, 8px);
  border: var(--kts-border-width, 0) solid var(--kts-border-color, transparent);
  box-shadow: var(--kts-shadow, none);
  transition: transform 0.3s ease;
}
.kts-gallery .kts-item:hover {
  transform: translateY(-2px);
}
.kts-gallery .kts-item-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0.6), transparent);
  color: #fff;
  padding: 24px 12px 12px;
  font-size: 0.7rem;
  font-weight: 500;
  line-height: 1.4;
  opacity: 0 !important;
  transform: translateY(10px);
  transition: all 0.3s ease;
  pointer-events: none;
  visibility: hidden;
}
.kts-gallery .kts-item:hover .kts-item-title {
  opacity: 1 !important;
  transform: translateY(0);
  visibility: visible;
}
.kts-gallery img {
  width: 100%;
  height: var(--kts-height, 200px);
  object-fit: cover;
  display: block;
}
.kts-gallery.is-no-crop img { height: auto; }

/* Disable hover effect option */
.kts-gallery.is-no-hover .kts-item:hover { transform: none; }
.kts-gallery.is-no-hover .kts-item:hover .kts-item-title { opacity: 0 !important; transform: none; visibility: hidden; }

/* Gallery loading overlay (black & white spinner) */
.kts-gallery.is-loading { min-height: 120px; }
.kts-gallery .kts-gallery-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  background: #fff; /* mask gallery while loading */
  z-index: 2;
}
.kts-gallery .kts-gallery-loading::after {
  content: '';
  width: 28px;
  height: 28px;
  border: 3px solid rgba(0,0,0,.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: kts-spin 900ms linear infinite;
}
.kts-gallery:not(.is-loading) .kts-gallery-loading { display: none; }

/* Hide content underneath to prevent flicker while spinner is visible */
.kts-gallery.is-loading .kts-item { opacity: 0; }

/* Layout variations */
.kts-layout-blogroll {
  grid-template-columns: 1fr;
}
.kts-layout-square .kts-item { aspect-ratio: 1 / 1; }
.kts-layout-square img { height: 100%; object-fit: cover; }

/* Masonry using masonry-layout (Desandro) */
.kts-layout-mason { position: relative; display: block; width: 100%; }
/* Percent-based columns accounting for gutter (set via --kts-gap-px from JS) */
.kts-layout-mason .kts-sizer {
  width: calc((100% - (var(--kts-columns, 3) - 1) * var(--kts-gap-px, 0px)) / var(--kts-columns, 3));
  box-sizing: border-box;
}
.kts-layout-mason .kts-item {
  width: calc((100% - (var(--kts-columns, 3) - 1) * var(--kts-gap-px, 0px)) / var(--kts-columns, 3));
  margin: 0 0 var(--kts-row-gap, 0);
  box-sizing: border-box;
}
.kts-layout-mason img { width: 100%; height: auto; object-fit: cover; }

/* Automatic (row height) using flex-wrap */
.kts-layout-automatic { display: flex; flex-wrap: wrap; gap: var(--kts-margins, 8px); }
.kts-layout-automatic .kts-item { height: var(--kts-row-height, 220px); }
.kts-layout-automatic img { height: 100%; width: auto; object-fit: cover; }

/* Lightbox */
.kts-lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999999;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.kts-lightbox-overlay.is-active { opacity: 1; pointer-events: auto; }
.kts-lightbox-inner {
  max-width: 92vw;
  max-height: 92vh;
  position: relative;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  padding: 14px;
  transform: scale(.98);
  transition: transform .25s ease;
  display: flex;
  flex-direction: column;
}
.kts-lightbox-overlay.is-active .kts-lightbox-inner { transform: scale(1); }
.kts-lightbox-image-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.kts-lightbox-inner img {
  max-width: calc(92vw - 28px);
  max-height: calc(92vh - 100px);
  width: auto;
  height: auto;
  display: block;
  opacity: 0;
  transition: opacity .25s ease;
}
.kts-lightbox-inner img.is-visible { opacity: 1; }
.kts-lightbox-title {
  padding: 16px 20px;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: #1f2937;
  border-top: 1px solid #e5e7eb;
  margin-top: 0;
  background: #f9fafb;
  border-radius: 0 0 12px 12px;
  display: none !important;
  min-height: 0;
}
.kts-lightbox-title.is-visible {
  display: block !important;
}
.kts-lightbox-close, .kts-lightbox-prev, .kts-lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: #111; /* default for next; overridden for others */
  padding: 10px 14px;
  border-radius: 12px;
  user-select: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  color: #fff;
  border: 1px solid rgba(255,255,255,.3);
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  z-index: 1000000;
}
.kts-lightbox-close {
  position: fixed;
  top: 12px;
  right: 6px;
  transform: none;
  background: #fff;
  color: #111;
  border-color: rgba(0,0,0,.1);
}
.kts-lightbox-overlay .kts-lightbox-prev { left: 24px; background:#fff; color:#111; }
.kts-lightbox-overlay .kts-lightbox-next { right: 24px; background:#111; color:#fff; }
.kts-lightbox-prev, .kts-lightbox-next {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-size: 22px;
  line-height: 1;
}
.kts-lightbox-prev:hover, .kts-lightbox-next:hover { filter: brightness(1.05); }
.kts-lightbox-prev:focus, .kts-lightbox-next:focus, .kts-lightbox-close:focus { outline: 2px solid #fff; outline-offset: 2px; }
@media (max-width: 640px) {
  .kts-lightbox-prev { left: 8px; }
  .kts-lightbox-next { right: 8px; }
}

/* Spinner */
.kts-spinner {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.kts-spinner::after {
  content: '';
  width: 28px;
  height: 28px;
  border: 3px solid rgba(17,58,93,.2);
  border-top-color: var(--kts-accent);
  border-radius: 50%;
  animation: kts-spin 900ms linear infinite;
}
@keyframes kts-spin { to { transform: rotate(360deg); } }