/* 文章排序控件样式 */
.post-sort-controls {
  margin-bottom: 1rem;
  padding: 0.5rem 0;
}

.post-sort-wrapper {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.post-sort-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-color, #666);
  margin: 0;
  white-space: nowrap;
}

.post-sort-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.post-sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-color, #666);
  background: transparent;
  border: 1px solid var(--btn-border, #e0e0e0);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.post-sort-btn:hover {
  background: var(--btn-hover-bg, #f5f5f5);
  border-color: var(--btn-hover-border, #ccc);
  color: var(--text-color, #333);
}

.post-sort-btn.active {
  background: var(--btn-active-bg, #667eea);
  color: #fff;
  border-color: var(--btn-active-bg, #667eea);
}

.post-sort-btn.active:hover {
  background: var(--btn-active-hover-bg, #5568d3);
  border-color: var(--btn-active-hover-bg, #5568d3);
}

.post-sort-btn i {
  font-size: 0.6875rem;
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
  .post-sort-label {
    color: var(--text-color, #999);
  }

  .post-sort-btn {
    border-color: var(--btn-border, #444);
    color: var(--text-color, #999);
  }

  .post-sort-btn:hover {
    background: var(--btn-hover-bg, #2a2a2a);
    border-color: var(--btn-hover-border, #555);
    color: var(--text-color, #e0e0e0);
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .post-sort-controls {
    margin-bottom: 0.75rem;
  }

  .post-sort-wrapper {
    gap: 0.375rem;
  }

  .post-sort-label {
    font-size: 0.8125rem;
  }

  .post-sort-btn {
    padding: 0.3125rem 0.625rem;
    font-size: 0.75rem;
  }
}

/* 文章更新时间显示样式 */
.post-update-time {
  display: inline-flex;
  align-items: center;
  margin-left: 0.75rem;
  color: var(--text-muted, #999);
  font-size: inherit; /* 继承父元素的字体大小，与发布日期和分类保持一致 */
  white-space: nowrap;
}

.post-update-time i {
  margin-right: 0.25rem;
  font-size: inherit; /* 图标字体大小也继承父元素 */
  opacity: 0.8;
}

/* 深色模式下的更新时间样式 */
@media (prefers-color-scheme: dark) {
  .post-update-time {
    color: var(--text-muted, #888);
  }
}

/* 移动端响应式 */
@media (max-width: 768px) {
  .post-update-time {
    display: block;
    margin-left: 0;
    margin-top: 0.25rem;
    font-size: inherit; /* 移动端也继承父元素的字体大小 */
  }
}