/* Lightbox tło */
.lightbox {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.85);
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
  transition: opacity 0.3s ease;
}

/* Obrazek w lightbox */
.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 6px;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
  transition: transform 0.3s ease;
}

/* Przycisk zamknięcia */
.lightbox .close-btn {
  position: absolute;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  z-index: 1010;
}