.is-zoomable { cursor: zoom-in; }
.is-zoomable:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 3px; }

.lightbox {
  position: fixed; inset: 0; z-index: 500;
  display: flex; flex-direction: column;
  background: rgba(46,48,51,0.94);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.lightbox[hidden] { display: none; }

.lightbox-bar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
  padding: 16px 20px;
  border-bottom: 0.5px solid rgba(255,255,255,0.14);
  flex-shrink: 0;
}
.lightbox-caption {
  font-size: 11px; line-height: 1.6;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.72);
  margin: 0;
  /* The controls never give way; the caption takes whatever is left and stops
     at two lines rather than wrapping into a tall narrow column. */
  min-width: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.lightbox-tools { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.lightbox-btn {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-size: 17px; line-height: 1;
  color: var(--white);
  background: none;
  border: 0.5px solid rgba(255,255,255,0.28);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.lightbox-btn:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.6); }
.lightbox-btn:focus-visible { outline: 2px solid var(--white); outline-offset: 2px; }
.lightbox-close { margin-left: 8px; }
.lightbox-level {
  font-size: 10px; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
  min-width: 44px; text-align: center;
}
/* Where you are in the set, in the same quiet register as the zoom level. */
.lightbox-count {
  font-size: 10px; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
  min-width: 46px; text-align: center;
}
.lightbox-count:empty { display: none; }
.lightbox-prev, .lightbox-next { font-size: 22px; }
.lightbox-next { margin-right: 8px; }

.lightbox-stage {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  cursor: zoom-out;
  touch-action: none;
}
.lightbox-stage.is-zoomed { cursor: grab; }
.lightbox-stage.is-zoomed:active { cursor: grabbing; }
.lightbox-stage img {
  max-width: 94%; max-height: 100%;
  object-fit: contain;
  transform-origin: center center;
  transition: transform 0.12s ease-out;
  user-select: none; -webkit-user-drag: none;
  background: var(--white);
}

.lightbox-hint {
  flex-shrink: 0;
  padding: 10px 20px 16px;
  margin: 0;
  text-align: center;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

@media (max-width: 560px) {
  .lightbox-bar { padding: 12px 14px; gap: 12px; }
  /* On a phone the controls need the whole bar. The caption is on the page
     under the photograph anyway. */
  .lightbox-caption { display: none; }
  .lightbox-btn { width: 30px; height: 30px; font-size: 15px; }
  .lightbox-level { min-width: 38px; }
  .lightbox-count { min-width: 40px; }
  .lightbox-prev, .lightbox-next { font-size: 19px; }
  .lightbox-stage img { max-width: 98%; }
  .lightbox-hint { font-size: 9px; padding: 8px 14px 12px; }
}