.fotos-thumbs { display: flex; gap: 4px; }
.foto-thumb {
  display: inline-block;
  width: 36px; height: 24px;
  border-radius: 3px;
  overflow: hidden;
  background: #f0f0f0;
  border: 1px solid #ddd;
  text-decoration: none;
  text-align: center;
  line-height: 22px;
  color: #aaa;
  font-size: 10px;
}
.foto-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.foto-thumb-empty { cursor: default; }
.fotos-empty { color: #aaa; font-size: 11px; }

.foto-lightbox {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000; cursor: zoom-out;
  opacity: 0;
  transition: background 0.2s ease, opacity 0.2s ease;
}
.foto-lightbox.is-active {
  background: rgba(0,0,0,0.65);
  opacity: 1;
}
.foto-lightbox img {
  max-width: 95vw; max-height: 95vh;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  transform: scale(0.92);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.foto-lightbox.is-active img {
  transform: scale(1);
  opacity: 1;
}
.foto-lightbox.is-closing img {
  transform: scale(0.96);
  opacity: 0;
}