/**
 * Markdown 渲染样式
 * 用于统一 Markdown 渲染后的 HTML 样式
 */

.markdown-body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 1.5rem;
  line-height: 1.8;
  color: #2c3e50;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 1.25;
  color: #2c1a1aff;
}

.markdown-body h1 {
  font-size: 2em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid #eaecef;
}

.markdown-body h2 {
  font-size: 1.5em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid #eaecef;
}

.markdown-body h3 {
  font-size: 1.25em;
}

.markdown-body h4 {
  font-size: 1em;
}

.markdown-body h5 {
  font-size: 0.875em;
}

.markdown-body h6 {
  font-size: 0.85em;
  color: #6a737d;
}

.markdown-body p {
  margin-top: 0;
  margin-bottom: 16px;
  white-space: pre-wrap;
}

.markdown-body a {
  color: #409eff;
  text-decoration: none;
  transition: color 0.2s;
}

.markdown-body a:hover {
  color: #66b1ff;
  text-decoration: underline;
}

.markdown-body strong {
  font-weight: 600;
  color: #333;
}

.markdown-body em {
  font-style: italic;
}

.markdown-body del {
  text-decoration: line-through;
  color: #999;
}

.markdown-body code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  background-color: #f6f8fa;
  border-radius: 6px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  color: #e83e8c;
}

/* 代码块样式 */
.markdown-body pre {
  width: 100%;
  max-width: 100%;         /* 限制最大宽度 */
  padding: 0;
  overflow-x: auto;        /* 允许横向滚动 */
  overflow-y: hidden;      /* 隐藏纵向滚动 */
  font-size: 85%;
  line-height: 1.45;
  background-color: #282c34;
  border-radius: 6px;
  position: relative;
}

.markdown-body pre pre {
  margin: 0;
}

.markdown-body pre code {
  display: block;
  min-width: 100%;         /* 最小宽度 100% */
  max-width: none;         /* 不限制最大宽度 */
  padding: 10px 16px;
  margin: 0;
  overflow-x: auto;        /* 内容超宽时显示滚动条 */
  line-height: 1.8;
  word-wrap: normal;       /* 不换行，保持代码格式 */
  white-space: pre;        /* 保持空白符和换行 */
  background-color: transparent;
  border: 0;
  color: #abb2bf;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 14px;
}

/* 代码块包装器 */
.code-block-wrapper {
  position: relative;
  width: 100%;
  max-width: 100%;         /* 限制最大宽度 */
  border-radius: 6px;
}

/* 复制按钮样式 */
.code-copy-btn {
  padding: 4px 10px;
  font-size: 12px;
  background: transparent;
  border: 0;
  position: absolute;
  top: -10px;
  right: -12px;
  color: #abb2bf;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 10;
}

.code-copy-btn:hover {
  color: #fff;
}

.code-copy-btn.copied {
  background-color: rgba(76, 175, 80, 0.3);
  border-color: #4caf50;
  color: #81c784;
}

/* 引用块样式 */
.markdown-body blockquote {
  padding: 0 1em;
  color: #6a737d;
  border-left: 0.25em solid #dfe2e5;
  margin: 16px 0;
}

.markdown-body blockquote > :first-child {
  margin-top: 0;
}

.markdown-body blockquote > :last-child {
  margin-bottom: 0;
}

/* 列表样式 */
.markdown-body ul,
.markdown-body ol {
  padding-left: 2em;
  margin-top: 0;
  margin-bottom: 16px;
}

.markdown-body ol li {
  list-style: decimai;
}

.markdown-body ul li {
  list-style: disc;
}

.markdown-body li {
  margin-top: 0.25em;
}

.markdown-body li > p {
  margin-top: 16px;
}

.markdown-body ul ul,
.markdown-body ul ol,
.markdown-body ol ol,
.markdown-body ol ul {
  margin-top: 0;
  margin-bottom: 0;
}

/* 表格样式 */
.markdown-body table {
  display: block;
  width: 100%;
  overflow: auto;          /* 允许横向滚动 */
  margin: 16px 0;
  border-spacing: 0;
  border-collapse: collapse;
  max-width: 100%;         /* 限制最大宽度 */
}

.markdown-body table th,
.markdown-body table td {
  padding: 8px 12px;
  border: 1px solid #e1e4e8;
  text-align: left;
  word-break: break-word;      /* 允许单词内换行 */
  white-space: normal;         /* 允许正常换行 */
  overflow-wrap: break-word;   /* 长单词自动换行 */
  position: relative;          /* 定位拖拽手柄 */
}

/* 表头可调整宽度 */
.markdown-body table th {
  font-weight: 600;
  background-color: #f6f8fa;
  min-width: 80px;             /* 最小宽度 */
  resize: horizontal;          /* 允许横向拖拽调整 */
  overflow: auto !important;   /* 显示拖拽手柄 */
  max-width: none;             /* 不限制最大宽度 */
  position: relative;
}

/* 优化拖拽手柄样式 */
.markdown-body table th::-webkit-resizer {
  background: transparent;
  border: none;
  opacity: 0;
}

.markdown-body table th:hover::-webkit-resizer {
  background: transparent;
  opacity: 0;
}

.markdown-body table th:hover {
  background-color: #ecf5ff;   /* 悬停时高亮 */
}

.markdown-body table tr:nth-child(2n) {
  background-color: #fbfcfd;
}

.markdown-body table thead th {
  border-bottom: 2px solid #dfe2e8;
}

/* 图片样式 */
.markdown-body img {
  max-width: 100%;
  box-sizing: content-box;
  background-color: #fff;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.2s;
  display: block;
  margin: 16px auto;
}

.markdown-body img:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 水平分割线 */
.markdown-body hr {
  height: 0.25em;
  padding: 0;
  margin: 24px 0;
  background-color: #e1e4e8;
  border: 0;
}

/* 行内元素样式 */
.markdown-body kbd {
  display: inline-block;
  padding: 3px 5px;
  font-size: 11px;
  line-height: 10px;
  color: #444d56;
  vertical-align: middle;
  background-color: #fafbfc;
  border: solid 1px #c6cbd1;
  border-bottom-color: #959da5;
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 #959da5;
}

/* 任务列表 */
.markdown-body ul.contains-task-list {
  padding-left: 0;
  list-style: none;
}

.markdown-body .task-list-item {
  position: relative;
  list-style: none;
}

.markdown-body .task-list-item input[type="checkbox"] {
  position: absolute;
  top: 0.25em;
  left: -1.5em;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .markdown-body {
    font-size: 14px;
    line-height: 1.7;
  }

  .markdown-body h1 {
    font-size: 1.75em;
  }

  .markdown-body h2 {
    font-size: 1.35em;
  }

  .markdown-body h3 {
    font-size: 1.15em;
  }

  .markdown-body table {
    font-size: 13px;
  }

  .markdown-body pre code {
    font-size: 13px;
    padding: 12px 16px;
  }

  /* 移动端代码块滚动优化 */
  .markdown-body pre {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch; /* iOS 平滑滚动 */
  }

  /* 移动端表格滚动优化 */
  .markdown-body table {
    -webkit-overflow-scrolling: touch;
  }
}

/* 自制提示框样式（仿Element UI） */
.custom-message {
  position: fixed;
  top: calc(50% - 20px);
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  border-radius: 4px;
  color: #fff;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.msg-success { background: #88e25bff; }
.msg-error { background: #f56c6c; }
.msg-info { background: #909399; }