/* Simple, reliable lightbox for image galleries */
.lb-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
.lb-overlay.open { display: flex; }
.lb-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.lb-img {
  display: block;
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: 8px;
}
.lb-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 20px;
  background: #ff4444;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  line-height: 40px;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 24px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
}
.lb-prev { left: -64px; }
.lb-next { right: -64px; }