/* pages/forum/forum.wxss */
.container {
  padding-bottom: 30rpx;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: 100vh;
  animation: fadeIn 0.5s ease-out;
  /* 底部留出TabBar的空间 */
  padding-bottom: calc(env(safe-area-inset-bottom) + 150rpx);
}

/* 分类标签 */
.category-scroll {
  white-space: nowrap;
  background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
  padding: 24rpx 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(10rpx);
  animation: slideInDown 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-list {
  display: inline-flex;
  padding: 0 30rpx;
  gap: 20rpx;
}

.category-item {
  display: inline-block;
  padding: 14rpx 32rpx;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  color: #666666;
  border-radius: 32rpx;
  font-size: 26rpx;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.06);
}

.category-item:active {
  transform: scale(0.95);
}

.category-item.active {
  background: linear-gradient(135deg, #50C878 0%, #3CB371 100%);
  color: #ffffff;
  box-shadow: 0 4rpx 12rpx rgba(80, 200, 120, 0.3);
  transform: scale(1.05);
}

/* 帖子列表 */
.post-list {
  padding: 24rpx 30rpx;
}

.post-card {
  background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
  border-radius: 20rpx;
  padding: 35rpx;
  margin-bottom: 24rpx;
  box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: slideInUp 0.6s ease-out;
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6rpx;
  background: linear-gradient(to bottom, #50C878, #3CB371);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.post-card:active {
  transform: translateY(-4rpx);
  box-shadow: 0 12rpx 32rpx rgba(0, 0, 0, 0.12);
}

.post-card:active::before {
  transform: scaleY(1);
}

.post-card:nth-child(1) { animation-delay: 0.1s; }
.post-card:nth-child(2) { animation-delay: 0.15s; }
.post-card:nth-child(3) { animation-delay: 0.2s; }
.post-card:nth-child(4) { animation-delay: 0.25s; }
.post-card:nth-child(5) { animation-delay: 0.3s; }

/* 帖子头部 */
.post-header {
  display: flex;
  align-items: center;
  margin-bottom: 24rpx;
}

.avatar {
  width: 80rpx;
  height: 80rpx;
  border-radius: 50%;
  margin-right: 18rpx;
  background: linear-gradient(135deg, #e0e0e0 0%, #c8c8c8 100%);
  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.avatar:active {
  transform: scale(1.1);
}

.author-info {
  flex: 1;
}

.author-name {
  font-size: 30rpx;
  font-weight: bold;
  color: #333333;
  margin-bottom: 8rpx;
}

.post-time {
  font-size: 24rpx;
  color: #999999;
  opacity: 0.8;
}

.category-tag {
  padding: 10rpx 22rpx;
  background: linear-gradient(135deg, #E8F8F0 0%, #D5F2E3 100%);
  color: #50C878;
  border-radius: 24rpx;
  font-size: 22rpx;
  font-weight: 600;
  box-shadow: 0 2rpx 6rpx rgba(80, 200, 120, 0.2);
}

/* 帖子内容 */
.post-content {
  margin-bottom: 24rpx;
}

.post-title {
  font-size: 34rpx;
  font-weight: bold;
  color: #333333;
  margin-bottom: 18rpx;
  line-height: 1.6;
  position: relative;
}

.post-text {
  font-size: 28rpx;
  color: #666666;
  line-height: 1.8;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.post-images {
  display: flex;
  gap: 12rpx;
  margin-top: 18rpx;
  flex-wrap: wrap;
}

.post-image {
  width: 200rpx;
  height: 200rpx;
  border-radius: 12rpx;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.post-image:active {
  transform: scale(0.95);
}

/* 帖子底部 */
.post-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24rpx;
  border-top: 2rpx solid rgba(0, 0, 0, 0.05);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 45rpx;
  flex: 1;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 10rpx;
  font-size: 24rpx;
  color: #999999;
  padding: 8rpx 16rpx;
  border-radius: 20rpx;
  transition: all 0.3s ease;
}

.stat-item:active {
  background-color: rgba(0, 0, 0, 0.03);
  transform: scale(1.1);
}

.stat-icon {
  font-size: 32rpx;
  transition: all 0.3s ease;
}

.like-item.liked .stat-text {
  color: #FF6B6B;
  font-weight: bold;
}

.like-item.liked .stat-icon {
  animation: pulse 0.6s ease;
}

/* 收藏按钮 */
.favorite-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 68rpx;
  height: 68rpx;
  border-radius: 50%;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.08);
}

.favorite-btn:active {
  transform: scale(0.9) rotate(72deg);
  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.12);
}

.favorite-btn.favorited {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  box-shadow: 0 4rpx 12rpx rgba(255, 215, 0, 0.4);
}

.favorite-icon {
  font-size: 38rpx;
  transition: all 0.3s ease;
  color: #999999;
}

.favorite-btn.favorited .favorite-icon {
  color: #ffffff;
  animation: bounce 0.6s ease;
}

/* 收藏动画 */
@keyframes bounce {
  0%, 100% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.3);
  }
  50% {
    transform: scale(0.9);
  }
  75% {
    transform: scale(1.1);
  }
}

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 120rpx 60rpx;
  animation: fadeIn 0.8s ease-out;
}

.empty-icon {
  font-size: 120rpx;
  margin-bottom: 24rpx;
  opacity: 0.4;
  animation: pulse 2s ease-in-out infinite;
}

.empty-text {
  font-size: 28rpx;
  color: #999999;
}

/* 发布按钮 */
.fab {
  position: fixed;
  right: 30rpx;
  bottom: calc(env(safe-area-inset-bottom) + 120rpx);
  width: 110rpx;
  height: 110rpx;
  border-radius: 50%;
  background: linear-gradient(135deg, #50C878 0%, #3CB371 100%);
  box-shadow: 0 12rpx 32rpx rgba(80, 200, 120, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: scaleIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.5s both;
  z-index: 999;
}

.fab:active {
  transform: scale(0.88) rotate(90deg);
  box-shadow: 0 6rpx 16rpx rgba(80, 200, 120, 0.5);
}

.fab-icon {
  font-size: 52rpx;
  color: #ffffff;
  transition: all 0.3s ease;
}

.fab:active .fab-icon {
  transform: rotate(-90deg);
}