/* ===== 朋友圈页面 ===== */
# How to apply:
:
/* 封面区 */
.fc-cover {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 0 auto 20px;
  border-radius: 12px;
  overflow: hidden;
}
.fc-cover-bg {
  height: 200px;
  background: linear-gradient(135deg, #2d3a4a 0%, #1a1a2e 30%, #16213e 60%, #0f3460 100%);
}
.fc-cover-mask {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 20px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.45));
}
.fc-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 60px;
}
.fc-avatar {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  border: 3px solid rgba(255,255,255,0.8);
  object-fit: cover;
}
.fc-nickname {
  color: #fff;
  font-size: 1.1em;
  font-weight: 600;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* 动态流 */
.fc-posts {
  max-width: 600px;
  margin: 0 auto;
}
.fc-card {
  background: var(--anzhiyu-card-bg);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s;
}
.fc-card:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

/* 卡片头部 */
.fc-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.fc-card-avatar {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-shrink: 0;
}
.fc-card-meta {
  line-height: 1.4;
}
.fc-card-name {
  font-size: 0.95em;
  font-weight: 600;
  color: var(--anzhiyu-fontcolor);
}
.fc-card-time {
  font-size: 0.78em;
  color: var(--anzhiyu-secondtext);
}

/* 文案 */
.fc-card-body {
  margin-bottom: 10px;
}
.fc-card-text {
  font-size: 0.95em;
  line-height: 1.7;
  color: var(--anzhiyu-fontcolor);
  word-break: break-word;
  white-space: pre-wrap;
}

/* ===== 图片网格 ===== */
.fc-images {
  display: grid;
  gap: 4px;
  margin-top: 10px;
  border-radius: 6px;
  overflow: hidden;
}
.fc-img-wrap {
  cursor: pointer;
  overflow: hidden;
  position: relative;
  background: #f0f0f0;
}
.fc-img-wrap::before {
  content: '';
  display: block;
  padding-bottom: 100%;
}
[data-theme="dark"] .fc-img-wrap {
  background: #1e1e1e;
}
.fc-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.fc-img-wrap:hover .fc-img {
  transform: scale(1.05);
}

/* 1张图 */
.fc-grid-1 {
  grid-template-columns: 1fr;
  max-width: 300px;
}
.fc-grid-1 .fc-img-wrap::before {
  padding-bottom: 75%;
}

/* 2-3张图 */
.fc-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* 4张图 */
.fc-grid-4 {
  grid-template-columns: repeat(2, 1fr);
}

/* 5-6张图 */
.fc-grid-6 {
  grid-template-columns: repeat(3, 1fr);
}

/* 7-9张图 */
.fc-grid-9 {
  grid-template-columns: repeat(3, 1fr);
}

/* 卡片底部 */
.fc-card-footer {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--anzhiyu-border);
}
.fc-location {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8em;
  color: var(--anzhiyu-secondtext);
}
.fc-icon {
  flex-shrink: 0;
}

/* 空状态 */
.fc-empty {
  text-align: center;
  padding: 60px 20px;
  max-width: 600px;
  margin: 0 auto;
}
.fc-empty-icon {
  font-size: 3em;
  margin-bottom: 12px;
}
.fc-empty-text {
  color: var(--anzhiyu-secondtext);
  font-size: 0.95em;
}

/* ===== 灯箱 ===== */
#fc-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fc-lightbox-hidden {
  display: none !important;
}
.fc-lightbox-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  cursor: pointer;
}
.fc-lightbox-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 90vh;
}
#fc-lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
  user-select: none;
  -webkit-user-select: none;
}

/* 灯箱按钮 */
.fc-lightbox-close {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  opacity: 0.8;
  z-index: 2;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: opacity 0.2s, background 0.2s;
}
.fc-lightbox-close:hover {
  opacity: 1;
  background: rgba(255,255,255,0.2);
}
.fc-lightbox-prev,
.fc-lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  opacity: 0.7;
  z-index: 2;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  transition: opacity 0.2s, background 0.2s;
}
.fc-lightbox-prev {
  left: 16px;
}
.fc-lightbox-next {
  right: 16px;
}
.fc-lightbox-prev:hover,
.fc-lightbox-next:hover {
  opacity: 1;
  background: rgba(255,255,255,0.25);
}
.fc-lightbox-counter {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 0.9em;
  opacity: 0.8;
  z-index: 2;
  background: rgba(0,0,0,0.4);
  padding: 6px 16px;
  border-radius: 20px;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 768px) {
  .fc-cover {
    border-radius: 0;
    margin-bottom: 12px;
  }
  .fc-cover-bg {
    height: 160px;
  }
  .fc-avatar {
    width: 48px;
    height: 48px;
  }
  .fc-posts {
    padding: 0 8px;
  }
  .fc-card {
    border-radius: 8px;
    padding: 14px 12px;
    margin-bottom: 10px;
  }
  .fc-grid-1 {
    max-width: 100%;
  }
  .fc-lightbox-prev,
  .fc-lightbox-next {
    width: 36px;
    height: 36px;
  }
  .fc-lightbox-prev {
    left: 8px;
  }
  .fc-lightbox-next {
    right: 8px;
  }
}