/* ┌────────────────────────────────────────────┐
 * │ 6.4  Lightbox 弹窗（白色主题）               │
 * └────────────────────────────────────────────┘ */

/* ── 遮罩层（默认隐藏） ── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.15); /* 半透明黑色遮罩 */
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ── 遮罩层（打开状态） ── */
.lightbox-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ── 弹窗主体 ── */
.lightbox-modal {
  position: relative;
  display: flex;
  width: 90vw;
  max-width: 1200px;
  height: 80vh;
  max-height: 750px;
  background: transparent;
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  transform: scale(0.92) translateY(30px); /* 初始缩小 + 下移 */
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── 弹窗打开时的主体动画 ── */
.lightbox-overlay.open .lightbox-modal {
  transform: scale(1) translateY(0);
}

/* ── 子元素淡入动画（替代整体 opacity） ── */
.lightbox-close,
.lightbox-media,
.lightbox-info {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.lightbox-overlay.open .lightbox-close,
.lightbox-overlay.open .lightbox-media,
.lightbox-overlay.open .lightbox-info {
  opacity: 1;
}

/* ── 关闭按钮（深色毛玻璃） ── */
#lightboxClose {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    transform 0.5s ease,
    background 0.3s ease;
  z-index: 20;
}

#lightboxClose:hover {
  background: rgba(0, 0, 0, 0.75);
  transform: rotate(90deg) scale(1.1); /* 旋转 + 放大 */
}

#lightboxClose:active {
  transform: rotate(90deg) scale(0.95); /* 按下缩小 */
}

/* ── 左侧：媒体预览区 ── */
.lightbox-media {
  flex: 1 1 65%; /* 占 65% 宽度 */
  min-width: 0;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.lightbox-media img,
.lightbox-media video {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain; /* 等比缩放，完整显示 */
  display: block;
}

/* ── 右侧：信息展示区 ── */

/* ── 信息区容器 ── */
.lightbox-info {
  flex: 1 1 35%; /* 占 35% 宽度 */
  min-width: 0;
  /* 半透明背景 + 毛玻璃模糊 */
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  /* 边框与阴影 */
  border-left: 1px solid rgba(255, 255, 255, 0.8);
  /* 内部布局 */
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
  position: relative;
  z-index: 1;
}

/* ── 顶部高光线条（增强玻璃质感） ── */
.lightbox-info::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.8),
    transparent
  );
  pointer-events: none;
}

/* ── 信息区头部 ── */
.lightbox-info__header {
  margin-bottom: 24px;
}

/* ── 分类角标 ── */
.lightbox-info__badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent, #ff6b6b);
  background: color-mix(in srgb, var(--accent, #ff6b6b) 10%, transparent);
  padding: 4px 12px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ── 标题 ── */
.lightbox-info__title {
  font-size: 22px;
  font-weight: 700;
  color: #1f2937;
  margin: 0;
  line-height: 1.3;
}

/* ── 正文区域 ── */
.lightbox-info__body {
  flex: 1;
  margin-bottom: 24px;
}

/* ── 描述文字 ── */
.lightbox-info__desc {
  font-size: 14px;
  line-height: 1.8;
  color: #4b5563;
  margin: 0;
}

/* ── 互动按钮区（点赞/评论/分享） ── */
.lightbox-info__actions {
  display: flex;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid #eee;
  margin-bottom: 20px;
}

/* ── 单个互动按钮 ── */
.lb-action-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.4); /* 半透明玻璃感 */
  color: #666;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: all 0.25s ease;
}

.lb-action-btn:hover {
  background: rgba(255, 255, 255, 0.7);
  color: #222;
  border-color: #ccc;
}

/* ── 点赞激活状态 ── */
.lb-action-btn.liked {
  color: #ff6b6b;
  border-color: rgba(255, 107, 107, 0.4);
  background: rgba(255, 107, 107, 0.06);
}

.lb-action-btn.liked svg {
  fill: #ff6b6b;
  stroke: #ff6b6b;
}

/* ── 标签区 ── */
.lightbox-info__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── 单个标签 ── */
.lb-tag {
  font-size: 12px;
  color: #555;
  background: rgba(255, 255, 255, 0.5);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

/* ┌────────────────────────────────────────────┐
 * │ Lightbox 弹窗：窄屏上下布局（≤768px）         │
 * └────────────────────────────────────────────┘ */
@media (max-width: 768px) {
  .lightbox-modal {
    flex-direction: column;
    width: 95vw;
    height: 90vh;
    max-height: none;
  }

  .lightbox-media {
    flex: 0 0 50%;
  }

  .lightbox-info {
    flex: 1;
    max-width: none;
    border-left: none;
    border-top: 1px solid #e8e8e8;
    padding: 24px 20px;
  }
}