/* ====================================================
   Markdown 编辑器专用样式
   基于 Tools.Top 设计系统
   参考 markdownonline.net 布局设计
   ==================================================== */


/* CodeMirror 亮色主题 - 完全复制暗色主题设计，仅改变背景和主文字颜色 */
[data-theme="light"] .markdown-app .cm-s-default.CodeMirror {
    background-color: #ffffff !important;
    color: #212529 !important;
}

[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-gutters {
    background: #f8f9fa !important;
    color: #545454 !important;
    border: none !important;
}

[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-guttermarker,
[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-guttermarker-subtle,
[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-linenumber {
    color: #545454 !important;
}

[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-cursor {
    border-left: 2px solid #10b981 !important;
}

[data-theme="light"] .markdown-app .cm-s-default div.CodeMirror-selected {
    background: rgba(16, 185, 129, 0.25) !important;
}

[data-theme="light"] .markdown-app .cm-s-default.CodeMirror-focused div.CodeMirror-selected {
    background: rgba(16, 185, 129, 0.35) !important;
}

[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-line::selection,
[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-line>span::selection,
[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-line>span>span::selection {
    background: rgba(16, 185, 129, 0.3) !important;
    color: inherit !important;
}

[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-line::-moz-selection,
[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-line>span::-moz-selection,
[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-line>span>span::-moz-selection {
    background: rgba(16, 185, 129, 0.3) !important;
    color: inherit !important;
}

[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-activeline-background {
    background: rgba(16, 185, 129, 0.08) !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-keyword {
    color: #a374c4 !important; /* 从 #C792EA 调暗到更深的紫色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-operator {
    color: #4db8d4 !important; /* 从 #89DDFF 调暗到更深的青色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-variable-2 {
    color: #212529 !important; /* 主文字色，从白色改为黑色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-variable-3,
[data-theme="light"] .markdown-app .cm-s-default .cm-type {
    color: #c85a60 !important; /* 从 #f07178 调暗到更深的粉色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-builtin {
    color: #d4a843 !important; /* 从 #FFCB6B 调暗到更深的黄色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-atom {
    color: #d4654a !important; /* 从 #F78C6C 调暗到更深的橙色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-number {
    color: #d4334a !important; /* 从 #FF5370 调暗到更深的红色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-def {
    color: #5a8ad4 !important; /* 从 #82AAFF 调暗到更深的蓝色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-string {
    color: #8db572 !important; /* 从 #C3E88D 调暗到更深的绿色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-string-2 {
    color: #c85a60 !important; /* 从 #f07178 调暗到更深的粉色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-comment {
    color: #545454 !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-variable {
    color: #c85a60 !important; /* 从 #f07178 调暗到更深的粉色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-tag {
    color: #d4334a !important; /* 从 #FF5370 调暗到更深的红色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-meta {
    color: #d4a843 !important; /* 从 #FFCB6B 调暗到更深的黄色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-attribute {
    color: #a374c4 !important; /* 从 #C792EA 调暗到更深的紫色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-property {
    color: #a374c4 !important; /* 从 #C792EA 调暗到更深的紫色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-qualifier {
    color: #b8a548 !important; /* 从 #DECB6B 调暗到更深的黄绿色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-error {
    color: #212529 !important; /* 错误文字从白色改为黑色 */
    background-color: #FF5370 !important;
}

[data-theme="light"] .markdown-app .cm-s-default .CodeMirror-matchingbracket {
    text-decoration: underline !important;
    color: #212529 !important; /* 匹配括号从白色改为黑色 */
}

/* Markdown 语法高亮样式 - 亮色主题，完全复制暗色设计 */

/* 标题系列 - 使用绿色系 */
[data-theme="light"] .markdown-app .cm-s-default .cm-header {
    color: #10b981 !important;
    font-weight: bold !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-header-1 {
    color: #10b981 !important;
    font-weight: bold !important;
    font-size: 1.5em !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-header-2 {
    color: #059669 !important;
    font-weight: bold !important;
    font-size: 1.3em !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-header-3 {
    color: #047857 !important;
    font-weight: bold !important;
    font-size: 1.2em !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-header-4 {
    color: #34d399 !important;
    font-weight: bold !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-header-5 {
    color: #4db89a !important; /* 从 #6ee7b7 调暗到更深的绿色 */
    font-weight: bold !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-header-6 {
    color: #6bc9a8 !important; /* 从 #a7f3d0 调暗到更深的绿色 */
    font-weight: bold !important;
}

/* 文本格式 */
[data-theme="light"] .markdown-app .cm-s-default .cm-strong {
    color: #212529 !important; /* 粗体从浅色改为黑色 */
    font-weight: bold !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-em {
    color: #6c757d !important; /* 斜体保持灰色调 */
    font-style: italic !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-strikethrough {
    color: #868e96 !important; /* 删除线保持灰色调 */
    text-decoration: line-through !important;
}

/* 列表 - 使用温和的青色系 */
[data-theme="light"] .markdown-app .cm-s-default .cm-list {
    color: #3db8a0 !important; /* 从 #5eead4 调暗到更深的青绿色 */
}

/* 引用 - 使用温暖的米色系 */
[data-theme="light"] .markdown-app .cm-s-default .cm-quote {
    color: #d4c5a0 !important;
    font-style: italic !important;
    padding-left: 12px !important;
    background-color: rgba(212, 197, 160, 0.08) !important;
    border-radius: 4px !important;
    padding: 6px 12px !important;
    margin: 4px 0 !important;
}

/* 链接 - 使用柔和的紫色系 */
[data-theme="light"] .markdown-app .cm-s-default .cm-link {
    color: #9c88e6 !important; /* 从 #c4b5fd 调暗到更深的紫色 */
    text-decoration: underline !important;
    text-decoration-color: rgba(156, 136, 230, 0.5) !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-url {
    color: #8a6bd4 !important; /* 从 #a78bfa 调暗到更深的紫色 */
}

/* 代码 - 使用警告色系 */
[data-theme="light"] .markdown-app .cm-s-default .cm-comment {
    color: #f59e0b !important;
    background-color: rgba(245, 158, 11, 0.1) !important;
    padding: 2px 4px !important;
    border-radius: 3px !important;
}

/* 格式化符号 - 使用低对比度颜色 */
[data-theme="light"] .markdown-app .cm-s-default .cm-formatting {
    color: #868e96 !important; /* 格式化符号调整为适合亮色的灰色 */
    opacity: 0.7 !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-formatting-header {
    color: rgba(16, 185, 129, 0.5) !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-formatting-list {
    color: rgba(61, 184, 160, 0.6) !important; /* 更新为调暗后的青绿色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-formatting-quote {
    color: rgba(212, 197, 160, 0.7) !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-formatting-link {
    color: rgba(156, 136, 230, 0.6) !important; /* 更新为调暗后的紫色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-formatting-code {
    color: rgba(245, 158, 11, 0.6) !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-formatting-strong {
    color: rgba(33, 37, 41, 0.5) !important; /* 粗体格式化符号从白色改为黑色 */
}

[data-theme="light"] .markdown-app .cm-s-default .cm-formatting-em {
    color: rgba(108, 117, 125, 0.6) !important; /* 斜体格式化符号调整为灰色 */
}

/* 特殊元素 */
[data-theme="light"] .markdown-app .cm-s-default .cm-hr {
    color: #dee2e6 !important; /* 分割线调整为亮色主题的边框色 */
    background-color: #dee2e6 !important;
    height: 2px !important;
}

/* 表格相关 */
[data-theme="light"] .markdown-app .cm-s-default .cm-table-separator {
    color: #dee2e6 !important; /* 表格分隔符调整为亮色主题的边框色 */
}

/* 任务列表 */
[data-theme="light"] .markdown-app .cm-s-default .cm-formatting-task {
    color: #10b981 !important;
}

/* 增强可读性 - 为重要元素添加微妙的背景 */
[data-theme="light"] .markdown-app .cm-s-default .cm-header-1,
[data-theme="light"] .markdown-app .cm-s-default .cm-header-2 {
    background-color: rgba(16, 185, 129, 0.05) !important;
    padding: 2px 4px !important;
    border-radius: 3px !important;
    margin: 2px 0 !important;
}

[data-theme="light"] .markdown-app .cm-s-default .cm-quote {
    background-color: rgba(248, 249, 250, 0.5) !important; /* 引用背景调整为亮色 */
    border-radius: 3px !important;
    padding: 4px 8px !important;
    margin: 2px 0 !important;
}

/* ===================================================
   护眼主题 CodeMirror 样式
   温暖的米黄色背景 + 深褐绿色文字，降低视觉疲劳
   =================================================== */

/* CodeMirror 基础样式 - 护眼主题 */
[data-theme="eye-care"] .markdown-app .cm-s-default.CodeMirror {
    background-color: #faf8f3 !important; /* 米黄色背景 */
    color: #1c3d2b !important; /* 深褐绿色文字 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-gutters {
    background: #ece5d9 !important; /* 稍深的米黄色 */
    color: #5a6b5e !important; /* 柔和的灰绿色 */
    border: none !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-guttermarker,
[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-guttermarker-subtle,
[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-linenumber {
    color: #5a6b5e !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-cursor {
    border-left: 2px solid #8b7355 !important; /* 棕色光标 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default div.CodeMirror-selected {
    background: rgba(139, 115, 85, 0.2) !important; /* 棕色选中背景 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default.CodeMirror-focused div.CodeMirror-selected {
    background: rgba(139, 115, 85, 0.3) !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-line::selection,
[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-line>span::selection,
[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-line>span>span::selection {
    background: rgba(139, 115, 85, 0.25) !important;
    color: inherit !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-line::-moz-selection,
[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-line>span::-moz-selection,
[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-line>span>span::-moz-selection {
    background: rgba(139, 115, 85, 0.25) !important;
    color: inherit !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-activeline-background {
    background: rgba(139, 115, 85, 0.08) !important; /* 当前行高亮 */
}

/* 语法高亮 - 护眼主题（温暖柔和的色调） */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-keyword {
    color: #9b6b8a !important; /* 温暖的紫色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-operator {
    color: #5a8a8a !important; /* 深青色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-variable-2 {
    color: #1c3d2b !important; /* 主文字色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-variable-3,
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-type {
    color: #b85a5a !important; /* 深玫瑰色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-builtin {
    color: #c09050 !important; /* 深金色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-atom {
    color: #c07050 !important; /* 深橙色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-number {
    color: #b85060 !important; /* 深红色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-def {
    color: #5a7ab8 !important; /* 深蓝色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-string {
    color: #6b9050 !important; /* 深绿色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-string-2 {
    color: #b85a5a !important; /* 深玫瑰色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-comment {
    color: #6b7f6f !important; /* 柔和的灰绿色 */
    font-style: italic !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-variable {
    color: #b85a5a !important; /* 深玫瑰色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-tag {
    color: #5a7ab8 !important; /* 深蓝色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-meta {
    color: #c09050 !important; /* 深金色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-attribute {
    color: #6b9050 !important; /* 深绿色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-property {
    color: #5a8a8a !important; /* 深青色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-qualifier {
    color: #c09050 !important; /* 深金色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-error {
    color: #d65050 !important; /* 错误红色 */
    background: rgba(214, 80, 80, 0.1) !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .CodeMirror-matchingbracket {
    text-decoration: underline !important;
    color: #1c3d2b !important; /* 匹配括号 */
}

/* Markdown 语法高亮 - 护眼主题 */

/* 标题系列 - 使用深绿色系 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-header {
    color: #2d5a3d !important;
    font-weight: bold !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-header-1 {
    color: #2d5a3d !important;
    font-weight: bold !important;
    font-size: 1.5em !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-header-2 {
    color: #2d5a3d !important;
    font-weight: bold !important;
    font-size: 1.3em !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-header-3 {
    color: #2d5a3d !important;
    font-weight: bold !important;
    font-size: 1.2em !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-header-4 {
    color: #3f6b4d !important;
    font-weight: bold !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-header-5 {
    color: #3f6b4d !important;
    font-weight: 600 !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-header-6 {
    color: #4a7a58 !important;
    font-weight: 600 !important;
}

/* 强调文字 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-strong {
    color: #1c3d2b !important;
    font-weight: bold !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-em {
    color: #1c3d2b !important;
    font-style: italic !important;
}

/* 列表标记 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-variable-2 {
    color: #8b7355 !important; /* 棕色列表标记 */
}

/* 链接 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-link {
    color: #5a7ab8 !important; /* 深蓝色链接 */
    text-decoration: underline !important;
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-url {
    color: #5a8a8a !important; /* 深青色 URL */
}

/* 代码 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-comment {
    color: #8b7355 !important;
    background: rgba(139, 115, 85, 0.05) !important;
    border-radius: 3px !important;
    padding: 2px 4px !important;
}

/* 引用块 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-quote {
    color: #6b7f6f !important; /* 柔和的灰绿色 */
    font-style: italic !important;
}

/* 图片 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-image {
    color: #9b6b8a !important; /* 温暖的紫色 */
}

[data-theme="eye-care"] .markdown-app .cm-s-default .cm-image-marker {
    color: #9b6b8a !important;
}

/* 水平线 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-hr {
    color: #c9c5b8 !important; /* 边框色 */
}

/* 任务列表 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-formatting-task {
    color: #8b7355 !important; /* 棕色 */
}

/* 删除线 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-strikethrough {
    text-decoration: line-through !important;
    color: #6b7f6f !important;
}

/* 行内代码背景 */
[data-theme="eye-care"] .markdown-app .cm-s-default .cm-comment {
    background: rgba(236, 229, 217, 0.5) !important; /* 稍深的米黄色 */
    border-radius: 3px !important;
    padding: 4px 8px !important;
    margin: 2px 0 !important;
}

/* 主题变量从全局 styles.css 继承，支持 dark/light/eye-care 三种主题 */

/* Markdown 编辑器主容器 */
.markdown-app {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 30px);
    min-height: 600px;
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 工具栏样式 */
.markdown-toolbar {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 12px 8px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    min-height: 60px;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
}

.toolbar-group:last-child {
    border-right: none;
    margin-left: auto;
}

/* 文件名设置样式 */
.filename-group {
    flex: 1;
    min-width: 150px;
    max-width: 300px;
    margin: 0 8px;
}

.filename-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    width: 100%;
    transition: all 0.2s ease;
}

.filename-wrapper:hover,
.filename-wrapper:focus-within {
    border-color: var(--accent-light);
    background: var(--bg-primary);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.1);
}

.filename-icon {
    color: var(--text-muted);
    flex-shrink: 0;
}

.filename-input {
    background: transparent;
    border: none !important;
    color: var(--text-primary);
    font-size: 13px !important;
    font-weight: 500;
    width: 100%;
    padding: 4px 0px !important;
    font-family: inherit;
}

.filename-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.toolbar-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 8px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.toolbar-btn:hover {
    background: var(--accent-light);
    color: white;
    transform: translateY(-1px);
}

/* 激活状态的按钮样式 */
#editorToggle.active,
#previewToggle.active,
#vimToggle.active {
    background: var(--accent-light);
    color: white;
    border-color: var(--accent-light);
}

#vimToggle.active svg {
    color: white;
}

.toolbar-btn svg {
    flex-shrink: 0;
}

/* 
 * 下拉菜单样式统一使用全局 styles.css 中的定义
 * 此处仅保留 Markdown 编辑器特有的增强样式
 */

/* Markdown 编辑器下拉选项布局（支持图标+文字） */
.markdown-toolbar .dropdown-option {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px !important;
}

/* Markdown 编辑器下拉选项中的 SVG 图标样式 */
.markdown-toolbar .dropdown-option svg {
    flex-shrink: 0;
    opacity: 0.7;
    width: 14px;
    height: 14px;
}

.markdown-toolbar .dropdown-option:hover svg {
    opacity: 1;
}

/* 下拉菜单分割线 */
.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* 主编辑区域 */
.markdown-main {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
}

/* 编辑器和预览面板 */
.markdown-editor-panel,
.markdown-preview-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.markdown-editor-panel {
    flex: 1;
    border-right: 1px solid var(--border-color);
    min-width: 300px;
}

.markdown-preview-panel {
    flex: 1;
    min-width: 300px;
}

/* 面板头部 - 隐藏 */
.panel-header {
    display: none;
}

/* 隐藏指定的工具栏按钮 */
#ulBtn, #olBtn, #quoteBtn {
    display: none;
}

.panel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.panel-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.panel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.panel-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.panel-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-light);
}

/* 分割条 */
.markdown-splitter {
    width: 6px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    cursor: col-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background-color 0.2s ease;
}

.markdown-splitter:hover {
    background: var(--border-color);
}

.splitter-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.markdown-splitter:hover .splitter-handle {
    opacity: 1;
}

/* 编辑器样式 */
.markdown-editor {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.cm-editor {
    height: 100%;
    font-family: var(--font-family-mono);
    font-size: 14px;
    line-height: 1.6;
}

.cm-focused {
    outline: none;
}

.cm-scroller {
    font-family: inherit;
    padding: 16px;
}

.cm-content {
    padding: 0;
    min-height: 100%;
}

.cm-line {
    padding: 0 4px;
}

/* CodeMirror 主题适配 */
.cm-editor.cm-focused .cm-cursor {
    border-color: var(--accent-light);
}

.cm-editor .cm-selectionBackground {
    background: rgba(222, 222, 222, 0.2);
}

.cm-editor .cm-activeLine {
    background: rgba(222, 222, 222, 0.05);
}

.cm-gutters {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    color: var(--text-muted);
}

.cm-lineNumbers .cm-gutterElement {
    padding: 0 8px;
    font-size: 13px;
}

/* 预览区域样式 */
.markdown-preview {
    flex: 1;
    overflow: auto;
    background: var(--bg-primary);
    position: relative;
}

.preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
}

.placeholder-icon {
    margin-bottom: 16px;
    opacity: 0.5;
}

.preview-placeholder h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
}

.preview-placeholder p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    max-width: 300px;
}

/* Markdown 预览内容样式 */
.markdown-preview-content {
    padding: 24px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.75rem;
    font-size: 1rem;
}

.markdown-preview-content h1,
.markdown-preview-content h2,
.markdown-preview-content h3,
.markdown-preview-content h4,
.markdown-preview-content h5,
.markdown-preview-content h6 {
    margin-top: 32px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

.markdown-preview-content h1:first-child,
.markdown-preview-content h2:first-child,
.markdown-preview-content h3:first-child,
.markdown-preview-content h4:first-child,
.markdown-preview-content h5:first-child,
.markdown-preview-content h6:first-child {
    margin-top: 0;
}

.markdown-preview-content h1 {
    font-size: 2.25em;
    /* border-bottom: 1px solid var(--border-color); */
    padding-bottom: 16px;
}

.markdown-preview-content h2 {
    font-size: 1.5em;
    border-bottom: 1px dashed #303030;
    padding-bottom: 16px;
    padding-top: 24px;
}

.markdown-preview-content h3 {
    font-size: 1.25em;
    padding-bottom: 8px;
    padding-top: 16px;
}

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

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

.markdown-preview-content h6 {
    font-size: 0.85em;
    color: var(--text-secondary);
}

.markdown-preview-content p {
    margin: 16px 0;
}

.markdown-preview-content strong {
    font-weight: 600;
}

.markdown-preview-content em {
    font-style: italic;
}

.markdown-preview-content code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-family-mono);
    font-size: 0.9em;
    color: var(--accent-light);
}

.markdown-preview-content pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
    margin: 16px 0;
    position: relative;
}

/* 代码语言标签 */
.markdown-preview-content pre::before {
    content: attr(data-language);
    position: absolute;
    top: 2px;
    right: 12px;
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    opacity: 0.6;
    z-index: 2;
    pointer-events: none;
}

/* 代码块复制按钮 */
.code-copy-btn {
    position: absolute;
    bottom: 8px;
    right: 12px;
    padding: 4px 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 4px;
}

.markdown-preview-content pre:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    background: var(--accent-light);
    color: white;
    border-color: var(--accent-light);
}

.code-copy-btn:active {
    transform: scale(0.95);
}

.code-copy-btn.copied {
    background: var(--success-color);
    color: white;
    border-color: var(--accent-light);
}

.code-copy-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.markdown-preview-content pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    display: block;
}

/* highlight.js 代码块样式覆盖 */
.markdown-preview-content pre code.hljs {
    padding: 16px;
    border-radius: 8px;
}

/* ====================================================
   Prism.js 语法高亮优化
   ==================================================== */

/* 修复 Prism.js 代码块样式 - 提高优先级 */
.markdown-preview-content pre {
    position: relative !important;
    background: #2d2d2d !important;
    border: 1px solid #3d3d3d !important;
    border-radius: 8px !important;
    margin: 1em 0 !important;
    padding: 0 !important;
}

/* 代码块内的 code 标签添加 padding */
.markdown-preview-content pre code {
    display: block !important;
    padding: 16px !important;
    padding-top: 20px !important;
    background: none !important;
    color: #ccc !important;
    overflow-x: auto !important;
}

/* Prism.js 特定样式 */
.markdown-preview-content pre[class*="language-"],
.markdown-preview-content pre code[class*="language-"] {
    background: none !important;
}

/* Prism.js 代码高亮增强 - 注释 */
.markdown-preview-content .token.comment,
.markdown-preview-content .token.prolog,
.markdown-preview-content .token.doctype,
.markdown-preview-content .token.cdata {
    color: #7f848e !important;
    font-style: italic;
}

/* 字符串 */
.markdown-preview-content .token.string,
.markdown-preview-content .token.attr-value {
    color: #98c379 !important;
}

/* 关键字和内置函数 */
.markdown-preview-content .token.keyword,
.markdown-preview-content .token.builtin,
.markdown-preview-content .token.class-name {
    color: #c678dd !important;
}

/* 数字和布尔值 */
.markdown-preview-content .token.number,
.markdown-preview-content .token.boolean {
    color: #d19a66 !important;
}

/* 函数 */
.markdown-preview-content .token.function {
    color: #61afef !important;
}

/* 操作符和标点符号 */
.markdown-preview-content .token.operator,
.markdown-preview-content .token.punctuation {
    color: #abb2bf !important;
}

.markdown-preview-content blockquote {
    padding: 6px 12px;
    margin: 16px 0;
    color: var(--text-primary);
    border-radius: 6px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-left: 6px solid var(--accent-light);
    
}

.markdown-preview-content blockquote p {
    margin: 8px 0;
}

.markdown-preview-content ul,
.markdown-preview-content ol {
    padding-left: 24px;
    margin: 16px 0;
}

.markdown-preview-content li {
    margin: 4px 0;
}

.markdown-preview-content li > ul,
.markdown-preview-content li > ol {
    margin: 4px 0;
}

.markdown-preview-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 16px 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.markdown-preview-content th,
.markdown-preview-content td {
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    text-align: left;
    vertical-align: top;
}

.markdown-preview-content th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.markdown-preview-content tbody tr {
    background: var(--bg-card); /* 所有表格行统一使用卡片背景色 */
}

.markdown-preview-content tbody tr:nth-child(even) {
    background: var(--bg-card); /* 偶数行也使用相同颜色，取消斑马纹 */
}

.markdown-preview-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 24px 0;
}

.markdown-preview-content a {
    color: var(--accent-light);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

.markdown-preview-content a:hover {
    border-bottom-color: var(--accent-light);
}

.markdown-preview-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 16px 0;
}

/* 任务列表样式 - 优化复选框可见性 */
.markdown-preview-content input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    margin-top: 2px;
    border: 2px solid var(--text-muted);
    border-radius: 3px;
    background: var(--bg-primary);
    cursor: pointer;
    position: relative;
    vertical-align: top;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.markdown-preview-content input[type="checkbox"]:hover {
    border-color: var(--accent-light);
    background: var(--bg-secondary);
}

.markdown-preview-content input[type="checkbox"]:checked {
    background: var(--success-color);
    border-color: var(--accent-light);
}

.markdown-preview-content input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: -2px;
    left: 1px;
    color: var(--bg-primary); /* 深色勾选标记，在绿色背景上清晰可见 */
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
}

.markdown-preview-content .task-list-item {
    list-style: none;
    margin-left: -24px;
    padding-left: 24px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
}

.markdown-preview-content .task-list-item input[type="checkbox"] {
    margin-top: 3px; /* 与文本对齐 */
}

/* 已完成任务的样式 */
.markdown-preview-content .task-list-item:has(input[type="checkbox"]:checked) {
    opacity: 0.7;
}

.markdown-preview-content .task-list-item:has(input[type="checkbox"]:checked) > * {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* 状态栏样式 */
.markdown-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-family-mono);
    min-height: 36px;
}

.status-left,
.status-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-item {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.status-separator {
    color: var(--border-color);
    font-weight: 300;
}

/* 响应式设计 */
@media (max-width: 1300px) {
    .markdown-editor-panel {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        flex: 1;
        min-height: 300px;
    }
    
    .markdown-preview-panel {
        flex: 1;
        min-height: 300px;
    }
    
    .markdown-splitter {
        display: none;
    }
    
    .markdown-toolbar {
        flex-wrap: wrap;
        gap: 4px;
        padding: 8px 12px;
    }
    
    .toolbar-group {
        margin-bottom: 4px;
        padding-right: 8px;
    }
    
    .toolbar-btn {
        padding: 6px 8px;
        font-size: 13px;
    }
    
    .markdown-app {
        height: calc(100vh - 40px);
        min-height: 500px;
    }
}

@media (max-width: 768px) {
    .markdown-preview-content {
        padding: 16px;
    }
    
    .markdown-toolbar {
        padding: 6px 8px;
    }
    
    .toolbar-btn {
        padding: 4px 6px;
        font-size: 12px;
        gap: 4px;
    }
    
    .toolbar-btn svg {
        width: 14px;
        height: 14px;
    }
    
    .panel-header {
        padding: 6px 12px;
    }
    
    .panel-title {
        font-size: 12px;
    }
    
    .markdown-status-bar {
        padding: 6px 12px;
        font-size: 11px;
    }
    
    .status-left,
    .status-right {
        gap: 6px;
    }
    
    .cm-scroller {
        padding: 12px;
    }
    
    .cm-editor {
        font-size: 13px;
    }
    
    .markdown-app {
        height: calc(100vh - 120px);
        min-height: 400px;
    }
}

/* 全屏模式 */
.markdown-app.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    height: 100vh;
    border-radius: 0;
    border: none;
}

/* 预览模式 */
.markdown-app.preview-only .markdown-editor-panel {
    display: none;
}

.markdown-app.preview-only .markdown-splitter {
    display: none;
}

.markdown-app.preview-only .markdown-preview-panel {
    flex: 1;
}

/* 编辑模式 */
.markdown-app.editor-only .markdown-preview-panel {
    display: none;
}

.markdown-app.editor-only .markdown-splitter {
    display: none;
}

.markdown-app.editor-only .markdown-editor-panel {
    flex: 1;
    border-right: none;
}

/* 加载状态 */
.markdown-editor.loading {
    position: relative;
}

.markdown-editor.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* 错误状态 */
.preview-error {
    color: var(--error-color);
    background: var(--bg-error);
    padding: 16px;
    border-radius: 6px;
    margin: 16px;
    border: 1px solid var(--error-color);
}

/* 滚动条优化 */
.markdown-preview::-webkit-scrollbar,
.cm-scroller::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.markdown-preview::-webkit-scrollbar-track,
.cm-scroller::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.markdown-preview::-webkit-scrollbar-thumb,
.cm-scroller::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.markdown-preview::-webkit-scrollbar-thumb:hover,
.cm-scroller::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* 动画效果 */
.toolbar-btn,
.panel-btn {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.markdown-splitter {
    transition: background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.splitter-handle {
    transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 焦点状态 */
/* .toolbar-btn:focus,
.panel-btn:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
} */

/* 禁用状态 */
.toolbar-btn:disabled,
.panel-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 工具提示样式 */
.tooltip {
    position: absolute;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 6px 8px;
    border-radius: 4px;
    font-size: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.tooltip.show {
    opacity: 1;
}

/* ====================================================
   Mermaid 图表样式
   ==================================================== */

/* Mermaid 图表容器 */
.mermaid-chart-container {
    margin: 20px 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    overflow: hidden;
}

.mermaid-chart-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.chart-type-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.chart-actions {
    display: flex;
    gap: 4px;
}

.chart-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 10px;
    font-weight: 500;
    white-space: nowrap;
}

.chart-action-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.mermaid-chart {
    padding: 20px;
    text-align: center;
    /* background: var(--bg-primary); */
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    position: relative;
    /* 确保容器能够完全显示缩放后的内容 */
    box-sizing: border-box;
    margin: 0 auto;
}

/* 饼图专门的尺寸优化 */
.mermaid-chart[data-chart-type="pie"] {
    min-width: 900px;  /* 饼图最小宽度增加到900px以容纳2倍放大的内容 */
    padding: 20px;     /* 减少内边距，减少空隙 */
    overflow: hidden;
}

/* 甘特图专门优化 - 彻底解决方案 */
.mermaid-chart[data-chart-type="gantt"] {
    overflow-x: auto;      /* X轴滚动 */
    overflow-y: visible;   /* Y轴自动适应 */
    padding: 20px;
    border-radius: 4px;
    /* 关键：让容器不限制内容宽度 */
    width: auto;
    max-width: 100%;
    display: inline-block;  /* 改为inline-block，让容器适应内容 */
}

/* 甘特图SVG - 阻止被容器压缩，保持原始尺寸 */
.mermaid-chart[data-chart-type="gantt"] svg {
    display: block;
    /* 关键：不设置固定尺寸，让SVG保持原始尺寸 */
    width: auto !important;
    height: auto !important;
    min-width: auto !important;
    max-width: none !important;
    max-height: none !important;
    /* 关键：阻止任何缩放 */
    transform: none !important;
    /* 保持SVG的原始尺寸属性 */
    flex-shrink: 0;
}

/* 用户旅程图专门优化 - 与甘特图使用相同策略 */
.mermaid-chart[data-chart-type="journey"] {
    overflow-x: auto;      /* X轴滚动 */
    overflow-y: visible;   /* Y轴自动适应 */
    padding: 20px;
    border-radius: 4px;
    /* 关键：让容器不限制内容宽度 */
    width: auto;
    max-width: 100%;
    display: inline-block;  /* 改为inline-block，让容器适应内容 */
}

/* 用户旅程图SVG - 阻止被容器压缩，保持原始尺寸 */
.mermaid-chart[data-chart-type="journey"] svg {
    display: block;
    /* 关键：不设置固定尺寸，让SVG保持原始尺寸 */
    width: auto !important;
    height: auto !important;
    min-width: auto !important;
    max-width: none !important;
    max-height: none !important;
    /* 关键：阻止任何缩放 */
    transform: none !important;
    /* 保持SVG的原始尺寸属性 */
    flex-shrink: 0;
}

/* 时间轴专门优化 - 与甘特图使用相同策略 */
.mermaid-chart[data-chart-type="timeline"] {
    overflow-x: auto;      /* X轴滚动 */
    overflow-y: visible;   /* Y轴自动适应 */
    padding: 20px;
    border-radius: 4px;
    /* 关键：让容器不限制内容宽度 */
    width: auto;
    max-width: 100%;
    display: inline-block;  /* 改为inline-block，让容器适应内容 */
}

/* 时间轴SVG - 阻止被容器压缩，保持原始尺寸 */
.mermaid-chart[data-chart-type="timeline"] svg {
    display: block;
    /* 时间轴需要设置最小宽度才能正常显示 */
    min-width: 1200px !important;
    width: auto !important;
    height: auto !important;
    max-width: none !important;
    max-height: none !important;
    /* 关键：阻止任何缩放 */
    transform: none !important;
    /* 保持SVG的原始尺寸属性 */
    flex-shrink: 0;
}

.mermaid-chart svg {
    max-width: none; /* 移除最大宽度限制 */
    height: auto;
    transition: transform 0.3s ease;
    /* 确保SVG不会被裁切 */
    display: block;
    /* 确保缩放时不会被父容器裁切 */
    position: relative;
    z-index: 1;
}

/* 为非长图表类型的SVG保持原有样式 */
.mermaid-chart:not([data-chart-type="gantt"]):not([data-chart-type="journey"]):not([data-chart-type="timeline"]) svg {
    /* 继承通用SVG样式 */
    position: relative;
    z-index: 1;
}

/* 饼图SVG专门优化 */
.mermaid-chart[data-chart-type="pie"] svg {
    min-width: 500px;  /* 饼图SVG最小宽度增加 */
    min-height: 400px; /* 饼图SVG最小高度增加 */
    /* 强制放大饼图 */
    transform: scale(1.0); /* 将饼图放大2倍 */
    transform-origin: center center; /* 从中心缩放 */
}

/* 甘特图SVG专门优化 - 保持原始尺寸 */
.mermaid-chart[data-chart-type="gantt"] svg {
    display: block;
    /* 已在上面设置 */
}

/* Mermaid 错误显示 */
.mermaid-error-container {
    margin: 20px 0;
    border: 1px solid var(--error-color);
    border-radius: 8px;
    background: rgba(220, 53, 69, 0.1);
}

.mermaid-error {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
}

.error-icon {
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.error-content h4 {
    color: var(--error-color);
    margin: 0 0 8px 0;
    font-size: 14px;
    font-weight: 600;
}

.error-content p {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 13px;
    line-height: 1.4;
}

.error-content details {
    margin-top: 8px;
}

.error-content summary {
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    margin-bottom: 8px;
}

.error-content pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 8px;
    border-radius: 4px;
    font-size: 11px;
    overflow-x: auto;
    margin: 0;
}

.error-content code {
    color: var(--text-primary);
    font-family: var(--font-family-mono);
}

/* 图表渲染错误 */
.chart-render-error {
    padding: 20px;
    text-align: center;
    color: var(--error-color);
    font-size: 13px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 4px;
    margin: 10px;
}

/* 图表放大模态框 */
.chart-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    cursor: pointer;
}

.chart-modal-content {
    position: relative;
    width: 90vw;
    height: 90vh;
    background: var(--bg-primary);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    z-index: 1;
}

.chart-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.chart-modal-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.chart-modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.chart-modal-body {
    flex: 1;
    overflow: auto;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.expanded-chart {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.expanded-chart svg {
    max-width: 100%;
    max-height: 100%;
    width: auto !important;
    height: auto !important;
}

/* 甘特图在放大模态框中的特殊处理 */
.expanded-chart[data-chart-type="gantt"] {
    width: 100%;
    overflow-x: auto;
    overflow-y: auto;
    display: block;
}

.expanded-chart[data-chart-type="gantt"] svg {
    max-width: none;
    max-height: none;
    display: block;
}

/* 时间轴在放大模态框中的特殊处理 */
.expanded-chart[data-chart-type="timeline"] {
    width: 100%;
    overflow-x: auto;
    overflow-y: auto;
    display: block;
}

.expanded-chart[data-chart-type="timeline"] svg {
    max-width: none;
    max-height: none;
    display: block;
}

/* 用户旅程图在放大模态框中的特殊处理 */
.expanded-chart[data-chart-type="journey"] {
    width: 100%;
    overflow-x: auto;
    overflow-y: auto;
    display: block;
}

.expanded-chart[data-chart-type="journey"] svg {
    max-width: none;
    max-height: none;
    display: block;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mermaid-chart {
        padding: 15px;
    }
    
    /* 移动端饼图尺寸调整 */
    .mermaid-chart[data-chart-type="pie"] {
        min-height: 500px; /* 移动端饼图高度调整以容纳缩放 */
        min-width: 400px;  /* 移动端饼图宽度适应屏幕 */
        padding: 15px;     /* 进一步减少内边距 */
    }
    
    .mermaid-chart[data-chart-type="pie"] svg {
        min-width: 320px;  /* 移动端饼图SVG宽度 */
        min-height: 280px; /* 移动端饼图SVG高度 */
        transform: scale(1.5); /* 移动端适度缩放 */
    }
    
    /* 移动端甘特图优化 - 保持原始尺寸 */
    .mermaid-chart[data-chart-type="gantt"] {
        padding: 15px;
        overflow-x: auto;
        display: inline-block;
    }
    
    .mermaid-chart[data-chart-type="gantt"] svg {
        /* 移动端也使用自然尺寸，不强制固定宽度 */
        width: auto !important;
        height: auto !important;
        min-width: auto !important;
        max-width: none !important;
        transform: none !important;
    }
    
    /* 移动端用户旅程图优化 - 与甘特图相同策略 */
    .mermaid-chart[data-chart-type="journey"] {
        padding: 15px;
        overflow-x: auto;
        display: inline-block;
    }
    
    .mermaid-chart[data-chart-type="journey"] svg {
        /* 移动端也使用自然尺寸，不强制固定宽度 */
        width: auto !important;
        height: auto !important;
        min-width: auto !important;
        max-width: none !important;
        transform: none !important;
    }
    
    /* 移动端时间轴优化 - 与甘特图相同策略 */
    .mermaid-chart[data-chart-type="timeline"] {
        padding: 15px;
        overflow-x: auto;
        display: inline-block;
    }
    
    .mermaid-chart[data-chart-type="timeline"] svg {
        /* 移动端时间轴也需要最小宽度 */
        min-width: 900px !important;
        width: auto !important;
        height: auto !important;
        max-width: none !important;
        transform: none !important;
    }
    
    .mermaid-chart-toolbar {
        padding: 6px 10px;
    }
    
    .chart-type-label {
        font-size: 11px;
    }
    
    .chart-action-btn {
        min-width: 20px;
        height: 20px;
        padding: 0 6px;
        font-size: 10px;
    }
}

/* 中等屏幕优化：隐藏视图控制按钮的文字，只显示图标 */
@media (max-width: 1300px) {
    /* 策略1: 视图控制按钮（编辑/预览/全屏/主题）只显示图标 */
    #editorToggle .btn-text,
    #previewToggle .btn-text,
    #fullscreenBtn .btn-text,
    #themeToggle .btn-text {
        display: none;
    }
    
    /* 调整这四个按钮的尺寸，适应只有图标的情况 */
    #editorToggle,
    #previewToggle,
    #fullscreenBtn,
    #themeToggle {
        min-width: auto;
        padding: 8px 10px;
    }
    
    /* 策略2: 其他工具栏按钮只显示文字，隐藏SVG图标 */
    .markdown-toolbar .toolbar-btn:not(#editorToggle):not(#previewToggle):not(#fullscreenBtn):not(#themeToggle) > svg {
        display: none;
    }
    
    /* 下拉按钮也隐藏SVG，保留文字和箭头 */
    .markdown-toolbar .dropdown-btn > svg {
        display: none;
    }
    
    /* 保留下拉箭头（箭头不是svg，是span元素） */
    .markdown-toolbar .dropdown-arrow {
        display: inline-block !important;
    }
    
    /* 调整其他按钮的内边距，去掉为图标预留的空间 */
    .markdown-toolbar .toolbar-btn:not(#editorToggle):not(#previewToggle):not(#fullscreenBtn):not(#themeToggle) {
        padding: 8px 12px;
    }
    
    /* 下拉按钮也调整内边距 */
    .markdown-toolbar .dropdown-btn {
        padding: 8px 12px;
    }
    
    /* 下拉菜单选项中的SVG图标也隐藏 */
    .markdown-toolbar .dropdown-menu .dropdown-option svg {
        display: none;
    }
    
    /* 调整下拉菜单选项的内边距 */
    .markdown-toolbar .dropdown-menu .dropdown-option {
        padding: 8px 12px;
    }
}

/* ==================== LaTeX 数学公式样式 ==================== */

/* 云端加载弹窗表格样式 */
.rule-group-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease-out;
}

.rule-group-modal.active {
    display: flex;
}

.rule-group-modal-content {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 24px;
    min-width: 400px;
    max-width: 850px;
    width: 90%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease-out;
    border: 1px solid var(--border-color);
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.rule-group-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.rule-group-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-family-base);
    margin: 0;
}

.rule-group-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.rule-group-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.rule-group-modal-body {
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
}

.rule-group-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.rule-group-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-top: 12px;
}

.rule-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.rule-group-item:last-child {
    border-bottom: none;
}

.rule-group-item:hover {
    background: var(--bg-secondary);
}

.rule-group-info {
    flex: 1;
}

.rule-group-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.rule-group-meta {
    font-size: 12px;
    color: var(--text-secondary);
}

.rule-group-actions {
    display: flex;
    gap: 8px;
}

.rule-group-delete {
    color: var(--error-color);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--error-color);
    background: transparent;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.rule-group-delete:hover {
    background: var(--error-color);
    color: white;
}

.rule-group-empty {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

#loadFromCloudModal .fields-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

#loadFromCloudModal .fields-table th,
#loadFromCloudModal .fields-table td {
    padding: 12px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

#loadFromCloudModal .fields-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

#loadFromCloudModal .fields-table tr:last-child td {
    border-bottom: none;
}

#loadFromCloudModal .fields-table tr:hover {
    background: var(--bg-secondary);
}

/* 数学公式块容器 */
.math-block {
    margin: 1.5em 0;
    padding: 1.2em;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    text-align: center;
    transition: all 0.3s ease;
}

.math-block:hover {
    border-color: var(--accent-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 行内公式样式 */
.katex {
    font-size: 1.1em;
    vertical-align: middle;
    line-height: 1;
}

/* 块级公式样式 */
.katex-display {
    margin: 1em 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.5em 0;
    text-align: center;
}

/* 空公式提示 */
.katex-empty {
    color: var(--text-tertiary);
    font-family: var(--font-family-mono);
    font-size: 0.9em;
    font-style: italic;
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px dashed var(--border-color);
}

/* 公式渲染错误样式 */
.katex-error {
    color: var(--error-color, #ff6b6b);
    background: var(--error-bg, rgba(255, 107, 107, 0.1));
    padding: 8px 12px;
    border-radius: 6px;
    font-family: var(--font-family-mono);
    font-size: 0.9em;
    cursor: help;
    border: 1px dashed var(--error-color, #ff6b6b);
    display: inline-block;
    margin: 4px 0;
}

.katex-error-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--error-color);
}

.katex-error-message {
    font-size: 0.85em;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.katex-error-code {
    background: var(--bg-primary);
    padding: 8px;
    border-radius: 4px;
    font-size: 0.85em;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
    border: 1px solid var(--border-color);
}

/* 深色主题优化 */
[data-theme="dark"] .katex {
    color: var(--text-primary);
}

[data-theme="dark"] .katex .mord,
[data-theme="dark"] .katex .mbin,
[data-theme="dark"] .katex .mrel,
[data-theme="dark"] .katex .mop,
[data-theme="dark"] .katex .mpunct {
    color: var(--text-primary);
}

[data-theme="dark"] .math-block {
    background: rgba(255, 255, 255, 0.03);
}

/* 亮色主题优化 */
[data-theme="light"] .katex {
    color: #1a1a1a;
}

[data-theme="light"] .math-block {
    background: rgba(0, 0, 0, 0.02);
}

/* 护眼主题优化 */
[data-theme="eye-care"] .katex {
    color: var(--text-primary);
}

[data-theme="eye-care"] .math-block {
    background: rgba(139, 115, 85, 0.05);
}

/* 滚动条样式（长公式） */
.math-block::-webkit-scrollbar,
.katex-display::-webkit-scrollbar {
    height: 6px;
}

.math-block::-webkit-scrollbar-track,
.katex-display::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.math-block::-webkit-scrollbar-thumb,
.katex-display::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.math-block::-webkit-scrollbar-thumb:hover,
.katex-display::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* KaTeX 特殊元素样式优化 */
.katex .base {
    display: inline-block;
}

.katex .strut {
    display: inline-block;
}

/* 响应式：平板 */
@media (max-width: 1024px) {
    .katex {
        font-size: 1.05em;
    }
    
    .math-block {
        padding: 1em;
        margin: 1.2em 0;
    }
}

/* 响应式：移动端 */
@media (max-width: 768px) {
    .katex {
        font-size: 1em;
    }
    
    .math-block {
        padding: 0.8em;
        margin: 1em 0;
    }
    
    .katex-error {
        padding: 6px 10px;
        font-size: 0.85em;
    }
    
    .katex-error-code {
        font-size: 0.8em;
        padding: 6px;
    }
}

/* 打印样式优化 */
@media print {
    .math-block {
        background: white;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
    
    .katex {
        color: black;
    }
    
    /* 打印时隐藏工具栏 */
    .mermaid-chart-toolbar {
        display: none !important;
    }
}

/* 🎨 LaTeX 公式容器样式（复用Mermaid容器样式） */
.math-block-container {
    margin: 20px 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 公式内容区域（在容器内） */
.math-block-container .math-block {
    padding: 20px;
    background: var(--bg-secondary);
    margin: 0 !important;
    border: none !important;
}

/* LaTeX 公式编辑器 V3 上下布局 */
.latex-editor-v3 {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-primary);
}

.latex-tabs-horizontal {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 10px;
}

.latex-tabs-horizontal::-webkit-scrollbar {
    display: none;
}

.latex-tab {
    padding: 12px 20px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.latex-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.latex-tab.active {
    color: var(--accent-color);
    font-weight: 600;
    border-bottom-color: var(--accent-color);
}

.latex-symbols-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--bg-primary);
}

.latex-symbols-grid-v3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

/* 符号卡片精致化 */
.latex-symbol-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 90px;
}

.latex-symbol-item:hover {
    border-color: var(--accent-color);
    background: var(--bg-tertiary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.latex-symbol-icon {
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.latex-symbol-name {
    font-size: 11px;
    font-family: var(--font-family-mono);
    color: var(--text-secondary);
    text-align: center;
    word-break: break-all;
    opacity: 0.7;
}

/* 上方：符号区 */
.latex-top-section {
    flex: 1.2; /* 给予符号区稍多空间 */
    display: flex;
    flex-direction: column;
    min-height: 150px;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

/* 中间：预览区 */
.latex-middle-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 15px;
    min-height: 120px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    overflow: hidden;
}

/* 下方：输入区 */
.latex-bottom-section-v3 {
    flex: 0.8; /* 输入区稍小 */
    display: flex;
    flex-direction: column;
    padding: 15px;
    min-height: 100px;
    background: var(--bg-secondary);
}

.latex-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.latex-section-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 预览显示框调整 */
.latex-preview-display-v3 {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow: auto;
    font-size: 26px;
    color: var(--text-primary);
    min-height: 0; /* 允许flex子项收缩 */
}

/* 输入框调整 */
.latex-textarea-v3 {
    flex: 1;
    width: 100%;
    padding: 15px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-family-mono);
    font-size: 15px;
    resize: none;
    outline: none;
    transition: border-color 0.2s;
    min-height: 0; /* 允许flex子项收缩 */
}

.latex-textarea-v3:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(var(--accent-color-rgb), 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .latex-top-section {
        flex: 1;
    }
    .latex-middle-section {
        flex: 1;
    }
    .latex-bottom-section-v3 {
        flex: 1;
    }
}