/**
 * @author João Batista <joao.cardoso@unitri.edu.br>
 * @copyright Copyright (c) 2026, ASOEC. (http://asoec.com.br)
 * @version   1.0.0
 * image-gallery.css — Galeria de Fotos CApDHC
 * Filtros por categoria | Lightbox com navegação por teclado
 */

.capdhc-gallery {
  background-color: var(--color-bg-white);
  padding: var(--section-py-mobile) 0;
}

/* ── Header ────────────────────────────────────────── */
.capdhc-gallery__header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.capdhc-gallery__header h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-navy);
}

/* ── Filtros ───────────────────────────────────────── */
.capdhc-gallery__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: start;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.capdhc-filter-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-navy);
  background-color: transparent;
  border: 2px solid var(--color-navy);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.capdhc-filter-btn:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.capdhc-filter-btn.is-active {
  background-color: var(--color-navy);
  color: var(--color-white);
}

/* ── Grid (ordem por linha) ───────────────────────── */
.capdhc-gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-flow: row;
  grid-auto-rows: 6px;
  gap: 0.75rem;
}

.capdhc-gallery__item {
  grid-row: span 20;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition: opacity var(--transition-base);
}

.capdhc-gallery__item.is-hidden {
  display: none;
}

.capdhc-gallery__item.is-featured {
  grid-row: span 40;
}

.capdhc-gallery__item-btn {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
}

.capdhc-gallery__item-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.capdhc-gallery__item:hover .capdhc-gallery__item-btn img {
  transform: scale(1.05);
}

/* ── Overlay ───────────────────────────────────────── */
.capdhc-gallery__item-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  background: linear-gradient(
    to top,
    rgba(30, 58, 95, 0.85) 0%,
    rgba(30, 58, 95, 0) 60%
  );
  color: var(--color-white);
  opacity: 0;
  transition: opacity var(--transition-base);
  padding: 0.75rem;
}

.capdhc-gallery__item:hover .capdhc-gallery__item-overlay {
  opacity: 1;
}

.capdhc-gallery__item-zoom {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.capdhc-gallery__item-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.capdhc-gallery__item-caption {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.capdhc-gallery__item-tag {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-blue-800);
  background-color: var(--color-gold);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════
   LIGHTBOX
   ══════════════════════════════════════════════════════ */
.capdhc-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background-color: var(--overlay-black-92);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.capdhc-lightbox__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 85vh;
}

.capdhc-lightbox__img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.capdhc-lightbox__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.capdhc-lightbox__badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background-color: var(--overlay-white-15);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 600;
}

.capdhc-lightbox__caption {
  color: var(--overlay-white-90);
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  text-align: center;
}

.capdhc-lightbox__counter {
  color: var(--overlay-white-50);
  font-size: 0.75rem;
  font-weight: 500;
}

/* Close button */
.capdhc-lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--overlay-white-15);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.capdhc-lightbox__close:hover {
  background-color: var(--color-gold);
  color: var(--color-navy);
}

/* Prev / Next */
.capdhc-lightbox__prev,
.capdhc-lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--overlay-white-10);
  border: 1px solid var(--overlay-white-20);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.capdhc-lightbox__prev {
  left: 1rem;
}
.capdhc-lightbox__next {
  right: 1rem;
}

.capdhc-lightbox__prev:hover,
.capdhc-lightbox__next:hover {
  background-color: var(--color-gold);
  color: var(--color-navy);
}

/* ═══════════════════════════════════════════════════════
   TABLET (640px+)
   ══════════════════════════════════════════════════════ */
@media (min-width: 640px) {
  .capdhc-gallery {
    padding: var(--section-py-sm) 0;
  }

  .capdhc-gallery__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .capdhc-gallery__item {
    grid-row: span 20;
  }

  .capdhc-gallery__item.is-featured {
    grid-row: span 40;
  }
}

/* ═══════════════════════════════════════════════════════
   DESKTOP (1024px+)
   ══════════════════════════════════════════════════════ */
@media (min-width: 1024px) {
  .capdhc-gallery {
    padding: var(--section-py) 0;
  }

  .capdhc-gallery__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .capdhc-gallery__item {
    grid-row: span 17;
  }

  .capdhc-gallery__item.is-featured {
    grid-row: span 34;
  }

  .capdhc-gallery__header {
    margin-bottom: 2rem;
  }
}