.lightbox-overlay {
  position: fixed; inset: 0; background: rgba(10, 8, 9, 0.82);
  opacity: 0; pointer-events: none; transition: opacity 0.18s ease; z-index: 50;
}
.lightbox-overlay.open { opacity: 1; pointer-events: auto; }

.lightbox {
  position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  max-width: 90vw; max-height: 88vh;
  opacity: 0; pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 51;
}
.lightbox.open { opacity: 1; pointer-events: auto; transform: translate(-50%, -50%) scale(1); }

.lightbox img {
  max-width: 90vw; max-height: 88vh;
  display: block;
  border-radius: 10px;
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.6);
}

.lightbox-close {
  position: absolute; top: -1rem; right: -1rem;
  width: 2.4rem; height: 2.4rem; border-radius: 999px;
  border: none; background: var(--surface); color: var(--ink);
  font-size: 1.3rem; line-height: 1; box-shadow: var(--shadow);
}