/* ==========================================================================
   Premium Gallery — Custom Lightbox
   BEM: .jsf-lightbox__*
   Fully custom-built modal (no Elementor lightbox, no third-party
   plugin). One instance is rendered per gallery widget and reused for
   every image in that gallery.
   ========================================================================== */

.jsf-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.jsf-lightbox[hidden] {
  display: none;
}

.jsf-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(10, 15, 20, .92);
  opacity: 0;
  transition: opacity var(--transition);
}

.jsf-lightbox.is-visible .jsf-lightbox__backdrop {
  opacity: 1;
}

.jsf-lightbox__stage {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-width: 1400px;
  padding: var(--space-2xl) var(--space-xl);
  touch-action: pan-y;
  overflow: hidden;
}

.jsf-lightbox__image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, .5);
  opacity: 0;
  transform: scale(.96);
  transition: opacity 300ms var(--ease-premium), transform 300ms var(--ease-premium);
  user-select: none;
  -webkit-user-drag: none;
}

.jsf-lightbox__image.is-active {
  opacity: 1;
  transform: scale(1);
}

.jsf-lightbox__image.is-dragging {
  transition: none;
  cursor: grabbing;
}

/* ---------- Controls ---------- */

.jsf-lightbox__control {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  color: var(--color-white);
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.jsf-lightbox__control svg {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  max-width: none;
}

.jsf-lightbox__prev svg,
.jsf-lightbox__next svg {
  width: 26px;
  height: 26px;
}

.jsf-lightbox__actions .jsf-lightbox__control svg {
  width: 20px;
  height: 20px;
}

.jsf-lightbox__control:hover,
.jsf-lightbox__control:focus-visible {
  background: rgba(255, 255, 255, .18);
  transform: scale(1.06);
}

.jsf-lightbox__close {
  top: var(--space-md);
  right: var(--space-md);
}

.jsf-lightbox__prev {
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}

.jsf-lightbox__prev:hover {
  transform: translateY(-50%) scale(1.06);
}

.jsf-lightbox__next {
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}

.jsf-lightbox__next:hover {
  transform: translateY(-50%) scale(1.06);
}

.jsf-lightbox[data-has-next="false"] .jsf-lightbox__next,
.jsf-lightbox[data-has-prev="false"] .jsf-lightbox__prev {
  opacity: .3;
  pointer-events: none;
}

/* ---------- Footer: caption + counter ---------- */

.jsf-lightbox__footer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--space-lg);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  text-align: center;
  padding-inline: var(--space-lg);
  pointer-events: none;
}

.jsf-lightbox__caption {
  max-width: 640px;
}

.jsf-lightbox__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  font-size: var(--fs-body-lg);
}

.jsf-lightbox__title:empty,
.jsf-lightbox__description:empty {
  display: none;
}

.jsf-lightbox__description {
  margin: 0;
  color: rgba(255, 255, 255, .75);
  font-size: var(--fs-small);
}

.jsf-lightbox__counter {
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, .6);
  letter-spacing: var(--ls-wide);
}

/* ---------- Actions: download / fullscreen ---------- */

.jsf-lightbox__actions {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 2;
  display: flex;
  gap: var(--space-xs);
}

.jsf-lightbox__actions .jsf-lightbox__control {
  position: static;
  width: 40px;
  height: 40px;
}

/* ---------- Loading state ---------- */

.jsf-lightbox__stage.is-loading .jsf-lightbox__image {
  opacity: .3;
}

.jsf-lightbox__stage::after {
  content: '';
  position: absolute;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 3px solid rgba(255, 255, 255, .25);
  border-top-color: var(--color-white);
  opacity: 0;
  pointer-events: none;
  animation: jsf-lightbox-spin .8s linear infinite;
}

.jsf-lightbox__stage.is-loading::after {
  opacity: 1;
}

@keyframes jsf-lightbox-spin {
  to { transform: rotate(360deg); }
}

/* ---------- Body lock while open ---------- */

body.jsf-lightbox-open {
  overflow: hidden;
}

/* ---------- Responsive ---------- */

@media (max-width: 767px) {
  .jsf-lightbox__stage {
    padding: var(--space-lg) var(--space-sm) 120px;
  }

  .jsf-lightbox__control {
    width: 40px;
    height: 40px;
  }

  .jsf-lightbox__prev { left: var(--space-xs); }
  .jsf-lightbox__next { right: var(--space-xs); }

  .jsf-lightbox__footer {
    bottom: var(--space-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  .jsf-lightbox__backdrop,
  .jsf-lightbox__image,
  .jsf-lightbox__control {
    transition: none !important;
  }
}