/**
 * 训练营往期相册：瀑布流 + 灯箱（图片尺寸不一，自适应宽度）
 */

.camp-memory-page .camp-memory-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 18px;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(91, 140, 255, 0.95);
  text-decoration: none;
  transition: color 0.15s ease;
}

.camp-memory-page .camp-memory-back:hover {
  color: rgba(61, 110, 220, 0.98);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.camp-memory-panel {
  padding: 20px 20px 24px;
}

.camp-memory-gallery {
  margin: 0;
}

.camp-memory-gallery__meta {
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(26, 31, 46, 0.08);
}

.camp-memory-gallery__meta h2 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.camp-memory-gallery__meta p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(26, 31, 46, 0.68);
}

/* 瀑布流：多列 + break-inside，适配不同比例图片 */
.camp-memory-gallery__masonry {
  column-count: 2;
  column-gap: 14px;
}

@media (min-width: 560px) {
  .camp-memory-gallery__masonry {
    column-count: 3;
    column-gap: 16px;
  }
}

@media (min-width: 860px) {
  .camp-memory-gallery__masonry {
    column-count: 4;
    column-gap: 18px;
  }
}

.camp-memory-gallery__item {
  break-inside: avoid;
  margin-bottom: 14px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(26, 31, 46, 0.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  cursor: zoom-in;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.camp-memory-gallery__item:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.12);
}

.camp-memory-gallery__item:focus-visible {
  outline: 2px solid rgba(91, 140, 255, 0.85);
  outline-offset: 3px;
}

.camp-memory-gallery__item img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

/* IO 延迟赋值真实 thumb 前：透明占位 GIF，用比例避免瀑布流高度坍缩 */
.camp-memory-gallery__item img[src^="data:image/gif"] {
  aspect-ratio: 4 / 3;
  background: rgba(26, 31, 46, 0.06);
}

.camp-memory-gallery__empty,
.camp-memory-gallery__error {
  margin: 0;
  padding: 28px 20px;
  text-align: center;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(26, 31, 46, 0.62);
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md, 14px);
  border: 1px dashed rgba(26, 31, 46, 0.14);
}

.camp-memory-gallery__error {
  color: rgba(180, 60, 60, 0.88);
  border-style: solid;
}

/* ---------- 灯箱 ---------- */
.camp-memory-lightbox {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(12px, env(safe-area-inset-top, 0px)) max(12px, env(safe-area-inset-right, 0px))
    max(12px, env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px));
  box-sizing: border-box;
  background: rgba(10, 14, 22, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.camp-memory-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.camp-memory-lightbox__backdrop {
  position: absolute;
  inset: 0;
}

.camp-memory-lightbox__stage {
  position: relative;
  z-index: 1;
  max-width: min(96vw, 1280px);
  max-height: min(88vh, 900px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.camp-memory-lightbox__img-wrap {
  max-width: 100%;
  max-height: min(78vh, 820px);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.camp-memory-lightbox__img-wrap img {
  display: block;
  max-width: 100%;
  max-height: min(78vh, 820px);
  width: auto;
  height: auto;
  object-fit: contain;
}

.camp-memory-lightbox__caption {
  margin: 0;
  max-width: min(92vw, 640px);
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(248, 250, 255, 0.88);
}

.camp-memory-lightbox__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.camp-memory-lightbox__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  border: none;
  border-radius: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: rgba(248, 250, 255, 0.96);
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
  transition: background 0.15s ease;
}

.camp-memory-lightbox__btn:hover {
  background: rgba(255, 255, 255, 0.24);
}

.camp-memory-lightbox__btn:focus-visible {
  outline: 2px solid rgba(140, 190, 255, 0.95);
  outline-offset: 2px;
}

.camp-memory-lightbox__btn--close {
  font-size: 1.35rem;
  line-height: 1;
}

.camp-memory-lightbox__counter {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(248, 250, 255, 0.72);
}

@media (prefers-reduced-motion: reduce) {
  .camp-memory-gallery__item {
    transition: none;
  }

  .camp-memory-gallery__item:hover {
    transform: none;
  }

  .camp-memory-lightbox {
    transition: none;
  }
}