.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.25s ease;
}

.lightbox.active {
  display: flex;
}

.lightbox-img-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-wrap img {
  max-width: 88vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.8);
  transition: opacity 0.2s ease;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 28px;
  font-size: 38px;
  color: #fff;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.2s;
  z-index: 10001;
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(58, 102, 163, 0.75);
  border: none;
  color: #fff;
  font-size: 32px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 10001;
}

.lightbox-arrow:hover {
  background: #3A66A3;
}

.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

.lightbox-counter {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: #aaa;
  font-size: 15px;
  letter-spacing: 1px;
}

.lightbox-caption {
  position: fixed;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 16px;
  text-align: center;
  white-space: nowrap;
  opacity: 0.85;
}