/* ===============================================================
   lightbox.css — 大图查看器
   =============================================================== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10, 8, 5, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}

.lightbox--open {
  opacity: 1;
  pointer-events: auto;
}

/* ── 关闭按钮 ── */
.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.5rem;
  transition: color var(--duration-fast);
  z-index: 10;
}

.lightbox__close:hover {
  color: var(--text-primary);
}

/* ── 导航按钮 ── */
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.4rem;
  border: 1px solid rgba(122, 113, 89, 0.3);
  border-radius: 50%;
  transition:
    color var(--duration-fast),
    border-color var(--duration-fast),
    background var(--duration-fast);
  z-index: 10;
}

.lightbox__nav:hover {
  color: var(--text-primary);
  border-color: var(--gold);
  background: rgba(168, 133, 61, 0.1);
}

.lightbox__nav--prev {
  left: var(--space-lg);
}

.lightbox__nav--next {
  right: var(--space-lg);
}

/* ── 内容区 ── */
.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox__image-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 80vh;
}

.lightbox__image {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border: 1px solid rgba(168, 133, 61, 0.2);
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
}

/* ── 信息栏 ── */
.lightbox__info {
  text-align: center;
  margin-top: var(--space-lg);
}

.lightbox__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.lightbox__category {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.lightbox__counter {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
  letter-spacing: 0.1em;
}

/* ── 键盘导航提示 ── */
.lightbox__hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ── 响应式 ── */
@media (max-width: 768px) {
  .lightbox__nav {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }

  .lightbox__nav--prev {
    left: var(--space-sm);
  }

  .lightbox__nav--next {
    right: var(--space-sm);
  }

  .lightbox__close {
    top: var(--space-sm);
    right: var(--space-sm);
  }

  .lightbox__hint {
    display: none;
  }
}