/* ============================================
   GALLERY PAGE — full gallery.html only
   Filter bar, hover overlay, and lightbox viewer.
   Requires gallery-grid.css to be loaded first.
   ============================================ */

.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.5rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-nav-text);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-icon {
  color: var(--color-nav-text);
  font-size: 2rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(30, 26, 23, 0.95);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: var(--color-nav-text);
  font-size: 2rem;
  cursor: pointer;
  padding: 1rem;
  transition: var(--transition-smooth);
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
}

.lightbox-prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  color: var(--color-accent);
}