/* ============================================================
   相册模块专属样式 - album.css
   适配 ry_aurora 主题
   ============================================================ */

/* ---- 通用容器 ---- */
.alb-wrap {
  margin-top: 18px;
}

/* ============================================================
   分类 Tab 筛选栏
   ============================================================ */
.alb-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  padding: 14px 16px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.alb-cat-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  color: #555;
  background: #f5f7f9;
  border: 1px solid #e8ecf0;
  text-decoration: none;
  transition: all .2s;
}
.alb-cat-item:hover,
.alb-cat-item.on {
  background: var(--color-primary, #4a90e2);
  color: #fff;
  border-color: var(--color-primary, #4a90e2);
}

/* ============================================================
   相册网格（画廊列表）
   ============================================================ */
.alb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 768px) {
  .alb-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}
@media (max-width: 480px) {
  .alb-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* 相册卡片 */
.alb-card {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,.08);
  text-decoration: none;
  transition: transform .25s, box-shadow .25s;
}
.alb-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 24px rgba(0,0,0,.14);
}

/* 封面区域 */
.alb-card-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f0f2f5;
}
.alb-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}
.alb-card:hover .alb-card-cover img {
  transform: scale(1.06);
}

/* 无封面占位 */
.alb-card-noimg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  color: #cbd5e0;
}

/* 悬浮遮罩 */
.alb-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.38);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .25s;
}
.alb-card:hover .alb-card-overlay {
  opacity: 1;
}
.alb-view-btn {
  color: #fff;
  font-size: 14px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 20px;
  padding: 6px 18px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(2px);
}

/* 图片数量角标 */
.alb-count-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,.55);
  color: #fff;
  font-size: 12px;
  border-radius: 10px;
  padding: 2px 8px;
}

/* 卡片信息区 */
.alb-card-info {
  padding: 12px 14px 10px;
}
.alb-card-title {
  font-size: 14px;
  font-weight: 600;
  color: #222;
  margin: 0 0 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.alb-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: #888;
}
.alb-card-cat {
  color: var(--color-primary, #4a90e2);
  text-decoration: none;
  font-size: 12px;
}
.alb-card-views { color: #aaa; }

/* 分页 */
.alb-page { margin-top: 24px; }

/* 空状态 */
.alb-empty {
  text-align: center;
  padding: 60px 20px;
  color: #aaa;
}
.alb-empty i {
  font-size: 52px;
  display: block;
  margin-bottom: 14px;
}
.alb-empty p { font-size: 15px; margin: 0 0 16px; }
.alb-back-btn {
  display: inline-block;
  padding: 8px 24px;
  border-radius: 20px;
  background: var(--color-primary, #4a90e2);
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  transition: opacity .2s;
}
.alb-back-btn:hover { opacity: .85; }


/* ============================================================
   相册详情页
   ============================================================ */
.alb-detail-wrap {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,.07);
  padding: 24px 28px 28px;
  margin-top: 18px;
}

.alb-detail-header {
  margin-bottom: 22px;
  border-bottom: 1px solid #f0f2f5;
  padding-bottom: 16px;
}
.alb-detail-title {
  font-size: 22px;
  font-weight: 700;
  color: #222;
  margin: 0 0 10px;
}
.alb-detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  color: #888;
}
.alb-detail-cat {
  color: var(--color-primary, #4a90e2);
  text-decoration: none;
  font-size: 13px;
}
.alb-detail-desc {
  margin: 10px 0 0;
  font-size: 14px;
  color: #555;
  line-height: 1.7;
}

/* 图片网格 */
.alb-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 900px) {
  .alb-detail-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .alb-detail-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .alb-detail-wrap { padding: 16px 14px 20px; }
}

.alb-detail-item {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
  background: #f0f2f5;
}
.alb-detail-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s;
}
.alb-detail-item:hover img {
  transform: scale(1.07);
}
.alb-detail-item-hover {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  opacity: 0;
  transition: opacity .25s;
}
.alb-detail-item:hover .alb-detail-item-hover {
  opacity: 1;
}

.alb-detail-footer {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid #f0f2f5;
}
.alb-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary, #4a90e2);
  font-size: 14px;
  text-decoration: none;
  transition: opacity .2s;
}
.alb-back-link:hover { opacity: .75; }


/* ============================================================
   Lightbox 灯箱
   ============================================================ */
.alb-lb {
  position: fixed;
  inset: 0;
  z-index: 9999;
}
.alb-lb-mask {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.88);
  cursor: zoom-out;
}
.alb-lb-box {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.alb-lb-img-wrap {
  position: relative;
  max-width: 90vw;
  max-height: 88vh;
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
#alb_lb_img {
  max-width: 90vw;
  max-height: 86vh;
  object-fit: contain;
  display: block;
  border-radius: 4px;
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
  transition: opacity .2s;
}
.alb-lb-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 30px;
}
.alb-lb-close,
.alb-lb-prev,
.alb-lb-next {
  position: absolute;
  background: rgba(255,255,255,.15);
  border: none;
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
  z-index: 10001;
}
.alb-lb-close:hover,
.alb-lb-prev:hover,
.alb-lb-next:hover {
  background: rgba(255,255,255,.3);
}
.alb-lb-close {
  top: 18px;
  right: 22px;
  width: 40px;
  height: 40px;
  font-size: 18px;
}
.alb-lb-prev,
.alb-lb-next {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 20px;
}
.alb-lb-prev { left: 18px; }
.alb-lb-next { right: 18px; }
.alb-lb-counter {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.8);
  font-size: 14px;
  pointer-events: none;
  background: rgba(0,0,0,.4);
  border-radius: 12px;
  padding: 3px 14px;
}

/* 键盘/手势提示 */
@media (max-width: 600px) {
  .alb-lb-prev { left: 8px; width: 38px; height: 38px; }
  .alb-lb-next { right: 8px; width: 38px; height: 38px; }
  .alb-lb-close { top: 10px; right: 10px; }
}