/* CSS 变量定义 - 极客像素风 */
:root {
    /* 主色调 */
    --primary-color: #5B5BD6;
    --primary-hover: #4A4AC4;
    --primary-light: #EDEDFC;

    /* 文字颜色 */
    --text-primary: #111111;
    --text-secondary: #444444;
    --text-tertiary: #888888;
    --text-placeholder: #BBBBBB;

    /* 背景颜色 */
    --background-primary: #FFFFFF;
    --background-secondary: #F7F7F7;
    --background-tertiary: #EFEFEF;

    /* 边框颜色 */
    --border-primary: #222222;
    --border-secondary: #DDDDDD;
    --border-color: #DDDDDD;

    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 16px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.12);

    /* 圆角 - 极小 */
    --radius-sm: 2px;
    --radius-md: 2px;
    --radius-lg: 2px;

    /* 字体 */
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Courier New', monospace;
    --font-ui: 'JetBrains Mono', 'SF Mono', 'Courier New', monospace;
}

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background-secondary);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow: hidden;
}

/* 主应用容器 */
.app {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 顶部工具栏 - 极客像素风 */
.toolbar {
    background: var(--background-primary);
    border-bottom: 1.5px solid #111;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 52px;
    z-index: 10;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toolbar-left h1.brand {
    font-family: var(--font-ui);
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.subtitle {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 400;
    letter-spacing: 0.01em;
}

.author-links {
    display: flex;
    gap: 4px;
    align-items: center;
    margin-left: 4px;
}

.author-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 14px;
    border: 1.5px solid transparent;
    border-radius: 2px;
    transition: color 0.1s, border-color 0.1s;
}

.author-link:hover {
    color: var(--text-primary);
    border-color: #111;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mode-group {
    display: flex;
    gap: 0;
    margin-right: 12px;
    border: 1.5px solid #111;
}

.btn-toggle.active {
    background: #111;
    color: #fff;
}

.btn-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 0;
    transition: all 0.1s ease;
}

.btn-toggle + .btn-toggle {
    border-left: 1.5px solid #111;
}

.btn-toggle:hover:not(.active) {
    background: var(--background-tertiary);
}

/* 小红书模式选中态 */
#modeXhsBtn.active {
    background: #111;
    color: #fff;
}


/* 按钮样式 - 极客像素风 */
.btn {
    padding: 5px 12px;
    border: 1.5px solid #111;
    border-radius: 0;
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    text-decoration: none;
    background: #fff;
    color: #111;
    position: relative;
}

.btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 2px 2px 0 #111;
}

.btn:active {
    transform: translate(0, 0);
    box-shadow: none;
}

.btn-primary {
    background: #111;
    color: #fff;
}

.btn-primary:hover {
    background: #111;
    color: #fff;
}

.btn-secondary {
    background: #fff;
    color: #111;
}

.btn-secondary:hover {
    background: #fff;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    display: flex;
    min-height: 0;
    /* 允许内部面板成为滚动容器，避免底部空白 */
}

/* 面板通用样式 - 极客像素风 */
.editor-panel,
.preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background-primary);
    border-right: 1.5px solid #111;
    min-height: 0;
}

.preview-panel {
    border-right: none;
}

.panel-header {
    padding: 10px 20px;
    border-bottom: 1.5px solid #111;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--background-primary);
    height: 42px;
}

.panel-header h3 {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* 编辑器工具栏 */
.editor-tools,
.preview-tools {
    display: flex;
    gap: 2px;
    align-items: center;
}

.preview-panel .panel-header {
    padding-right: 20px;
}

.preview-tools {
    gap: 4px;
}

.tool-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    font-size: 14px;
}

.tool-btn:hover {
    background: var(--background-tertiary);
    color: var(--text-secondary);
}

.zoom-level {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--text-tertiary);
    padding: 0 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    font-weight: 500;
}

/* Markdown 编辑器 - 极简设计 */
.editor-with-lines {
    position: relative;
    display: flex;
    flex: 1;
    min-height: 0;
    background: var(--background-primary);
}

.line-numbers {
    counter-reset: linenumber;
    user-select: none;
    pointer-events: none;
    width: 44px;
    padding: 16px 8px 16px 12px;
    margin: 0;
    background: var(--background-secondary);
    color: var(--text-placeholder);
    text-align: right;
    line-height: 1.6;
    font-family: var(--font-mono);
    font-size: 13px;
    overflow: hidden;
}

#markdownInput {
    flex: 1;
    border: none;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    resize: none;
    outline: none;
    background: transparent;
    color: var(--text-primary);
}

#markdownInput::placeholder {
    color: var(--text-placeholder);
}

/* 预览容器 - 极简设计 */
.preview-container {
    flex: 1;
    min-height: 0;
    overflow: auto;
    background: var(--background-secondary);
    padding: 24px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.preview-content {
    transform-origin: top center;
    transition: transform 0.15s ease;
}

/* Markdown 海报样式 - 白底圆角阴影 */
.markdown-poster {
    background: #fff;
    border-radius: 12px;
    padding: 0;
    margin: 0;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.06);
    width: 640px;
    min-height: 600px;
    position: relative;
    overflow: hidden;
    border: none;
}

.markdown-poster[data-mode="xhs"] {
    box-sizing: border-box;
}

.poster-content {
    background: var(--background-primary) !important;
    border-radius: 0;
    padding: 48px;
    position: relative;
    z-index: 1;
    overflow: hidden;
    word-wrap: break-word;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}


/* 空内容提示样式 */
.empty-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 40px;
    color: var(--text-muted);
    min-height: 400px;
}

.empty-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.8;
}

.empty-preview h3 {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 600;
}

.empty-preview>p {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.5;
}

.empty-tips {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 320px;
}

.tip-item {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    padding: 12px 16px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

.tip-item i {
    color: var(--primary-color);
    font-size: 14px;
    width: 16px;
    flex-shrink: 0;
}

.tip-item span {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.4;
}

/* Markdown 内容样式 */
.poster-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 16px auto;
    box-shadow: var(--shadow-md);
    display: block;
    object-fit: cover;
}

.poster-content video,
.poster-content iframe {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
    display: block;
}

.poster-content table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
    display: table;
    table-layout: fixed;
}

.poster-content table th,
.poster-content table td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-align: left;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
}

.poster-content table th {
    background: var(--background-light);
    font-weight: 600;
}

.poster-content h1 {
    font-size: var(--dynamic-h1-size, 28px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.3;
}

.poster-content h2 {
    font-size: var(--dynamic-h2-size, 22px);
    font-weight: 600;
    color: var(--text-secondary);
    margin: 24px 0 12px 0;
    line-height: 1.4;
}

.poster-content h3 {
    font-size: var(--dynamic-h3-size, 18px);
    font-weight: 600;
    color: var(--text-light);
    margin: 20px 0 8px 0;
}

.poster-content p {
    font-size: var(--dynamic-font-size, 16px);
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.7;
}

.poster-content hr,
.poster-content .md-hr {
    border: none;
    border-top: 1.5px solid #E0E0E0;
    margin: 24px 0;
    display: block;
    height: 0;
}

/* Markdown 空行（可视化占位） */
.poster-content .md-empty-line {
    height: 1em;
    line-height: 1em;
    margin: 8px 0;
    opacity: 0.2;
}

.poster-content em {
    font-style: italic;
    color: var(--primary-color);
}

.poster-content strong {
    font-weight: 700;
    color: var(--text-primary);
}

.poster-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-color);
    transition: all 0.2s ease;
}

.poster-content a:hover {
    color: var(--primary-hover);
    border-bottom-color: var(--primary-hover);
}

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

.poster-content li {
    font-size: var(--dynamic-font-size, 16px);
    color: var(--text-light);
    margin-bottom: 8px;
    line-height: 1.6;
    display: list-item;
}

.poster-content li a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-color);
    display: inline;
}

.poster-content li code {
    background: var(--background-gray);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: var(--dynamic-code-size, 14px);
    color: var(--primary-color);
    display: inline;
    vertical-align: baseline;
    line-height: inherit;
}

.poster-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
    background: var(--background-gray);
    padding-top: 12px;
    padding-bottom: 12px;
    margin: 16px 0;
    color: var(--text-muted);
    font-style: italic;
    font-size: var(--dynamic-quote-size, 16px);
}

/* 解决单行引用高度偏大：取消 blockquote 内段落默认外边距 */
.poster-content blockquote p {
    margin: 0;
    line-height: inherit;
}

.poster-content code {
    background: var(--background-gray);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: var(--dynamic-code-size, 14px);
    color: var(--primary-color);
    display: inline;
    line-height: inherit;
    vertical-align: baseline;
}

.poster-content pre {
    background: var(--text-primary);
    color: #e2e8f0;
    padding: 16px;
    border-radius: var(--border-radius);
    margin: 16px 0;
    display: block;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-all;
}

.poster-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    display: inline;
}

/* 布局面板 - 极客像素风 */
.background-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--background-primary);
    border-radius: 0;
    box-shadow: 4px 4px 0 #111;
    border: 1.5px solid #111;
    z-index: 1000;
    max-width: 400px;
    width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

.background-panel.active {
    opacity: 1;
    pointer-events: all;
}

.background-panel .panel-content {
    padding: 24px;
}

.background-panel h3 {
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.setting-section {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-secondary);
}

.setting-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
}

.setting-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.slider-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider-group input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    outline: none;
    cursor: pointer;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #6366f1;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider-group input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #6366f1;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.slider-value {
    font-size: 14px;
    color: #6366f1;
    font-weight: 500;
    min-width: 50px;
    text-align: right;
}

.watermark-input {
    width: 100%;
    padding: 8px 10px;
    font-size: 14px;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Courier New', monospace;
    border: 1.5px solid #222;
    border-radius: 2px;
    background: #fff;
    color: #111;
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
    letter-spacing: 0.5px;
}

.watermark-input:focus {
    border-color: #6366f1;
}

.watermark-input::placeholder {
    color: #aaa;
    font-style: italic;
}

.background-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.option-group label {
    font-size: 14px;
    font-weight: 500;
    color: #374151;
}

/* 背景面板已移除，保留占位注释 */

.panel-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    justify-content: flex-end;
}

/* 遮罩层 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .editor-panel,
    .preview-panel {
        height: 50vh;
    }

    .toolbar {
        padding: 8px 16px;
    }

    .toolbar-left h1 {
        font-size: 18px;
    }

    .subtitle {
        display: none;
    }

    .markdown-poster {
        width: calc(100vw - 40px);
        max-width: 640px;
        margin: 10px;
        padding: 20px;
    }

    .poster-content {
        padding: 20px;
    }
}

/* 缩放控制 */
.preview-content.zoom-75 {
    transform: scale(0.75);
}

.preview-content.zoom-50 {
    transform: scale(0.5);
}

.preview-content.zoom-125 {
    transform: scale(1.25);
}

.preview-content.zoom-150 {
    transform: scale(1.5);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.poster-content {
    animation: fadeIn 0.5s ease;
}

/* 工具提示 */
.tool-btn[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
}

.tool-btn {
    position: relative;
}

/* GitHub 链接样式 */
.github-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    color: #24292e;
    border-radius: 50%;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.2s ease;
    margin-left: 4px;
}

.github-link:hover {
    color: #6366f1;
    transform: scale(1.1);
}

.github-link i {
    color: inherit;
}

/* 工具分隔线样式 */
.tool-separator {
    width: 1px;
    height: 24px;
    background: var(--border-color);
    margin: 0 8px;
    flex-shrink: 0;
}



/* 块级公式还原容器 */
.katex-block-restored {
    display: block;
    text-align: center;
    margin: 16px 0;
    width: 100%;
}

/* KaTeX 数学公式样式 */
.katex {
    font-size: 1.1em;
}

.katex-display {
    margin: 16px 0;
    text-align: center;
}

.katex-error {
    color: #cc0000;
    background: #ffe6e6;
    padding: 2px 4px;
    border-radius: 4px;
    font-family: monospace;
}

/* Mermaid 图表容器样式 */
.mermaid-diagram {
    margin: 16px 0;
    text-align: center;
    background: white;
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--border-color);
}

.mermaid-diagram svg {
    max-width: 100%;
    height: auto;
}

.diagram-error-container {
    margin: 16px 0;
    text-align: center;
}

.diagram-error {
    display: inline-block;
    padding: 20px;
    border: 2px dashed #ff6b6b;
    border-radius: 8px;
    background-color: #ffe0e0;
    color: #d63031;
    font-family: monospace;
}

.error-title {
    font-weight: bold;
    margin-bottom: 8px;
}

.error-message {
    font-size: 12px;
    opacity: 0.8;
}

/* ECharts 容器样式 */
.echarts-container {
    margin: 16px 0;
    min-height: 400px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

/* ===== Callout / 卡片样式 - Obsidian 风格 ===== */

/* 颜色 token（每种类型） */
:root {
    --callout-info-color:    #4a90d9;
    --callout-info-bg:       #f0f6ff;
    --callout-success-color: #3daa6a;
    --callout-success-bg:    #f0faf4;
    --callout-warning-color: #e07b39;
    --callout-warning-bg:    #fdf6ee;
    --callout-error-color:   #d94a4a;
    --callout-error-bg:      #fff0f0;
    --callout-default-color: #888888;
    --callout-default-bg:    #f7f7f7;
}

.madopic-card {
    margin: 16px 0;
    border-radius: 6px;
    border: none;
    border-left: 4px solid var(--callout-default-color);
    background: var(--callout-default-bg);
    padding: 0;
    box-shadow: none;
    overflow: hidden;
    position: relative;
    width: 100%;
    align-self: stretch;
}

/* 标题行 */
.madopic-card .card-title {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 10px 14px 10px 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--callout-default-color);
    margin: 0;
    border-bottom: none;
    line-height: 1.4;
}

.madopic-card .card-title .title-text {
    flex: 1;
}

/* 折叠箭头 */
.madopic-card .card-title .toggle-icon {
    font-size: 12px;
    transition: transform 0.2s;
    opacity: 0.7;
    color: inherit;
}

.madopic-card.collapsed .card-title .toggle-icon {
    transform: rotate(-90deg);
}

.madopic-card .card-title.collapsible {
    cursor: pointer;
    user-select: none;
}

.madopic-card .card-title.collapsible:hover {
    opacity: 0.85;
}

.madopic-card.collapsed .card-content {
    display: none;
}

/* 内容区 */
.madopic-card .card-content {
    padding: 12px 16px;
    font-size: var(--dynamic-font-size, 15px);
    line-height: 1.7;
    color: var(--text-primary);
}

/* 有标题时内容区上边距缩小，避免和标题间距过大 */
.madopic-card .card-title + .card-content {
    padding-top: 2px;
}

.madopic-card .card-content p {
    margin: 6px 0;
}

.madopic-card .card-content p:first-child { margin-top: 0; }
.madopic-card .card-content p:last-child  { margin-bottom: 0; }

.madopic-card .card-content ul,
.madopic-card .card-content ol {
    margin: 6px 0;
    padding-left: 20px;
}

.madopic-card .card-content li { margin-bottom: 4px; }

.madopic-card .card-content code {
    background: rgba(0,0,0,0.06);
    padding: 1px 5px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.875em;
}

.madopic-card .card-content a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* 类型配色 */
.madopic-card.card-info {
    border-left-color: var(--callout-info-color);
    background: var(--callout-info-bg);
}
.madopic-card.card-info .card-title { color: var(--callout-info-color); }

.madopic-card.card-success {
    border-left-color: var(--callout-success-color);
    background: var(--callout-success-bg);
}
.madopic-card.card-success .card-title { color: var(--callout-success-color); }

.madopic-card.card-warning {
    border-left-color: var(--callout-warning-color);
    background: var(--callout-warning-bg);
}
.madopic-card.card-warning .card-title { color: var(--callout-warning-color); }

.madopic-card.card-error {
    border-left-color: var(--callout-error-color);
    background: var(--callout-error-bg);
}
.madopic-card.card-error .card-title { color: var(--callout-error-color); }

/* Obsidian callout 标题图标 */
.madopic-card .card-title::before {
    font-size: 15px;
    flex-shrink: 0;
}

.madopic-card.card-info    .card-title::before { content: '❓'; }
.madopic-card.card-success .card-title::before { content: '✓'; font-weight: 700; }
.madopic-card.card-warning .card-title::before { content: '⚠'; }
.madopic-card.card-error   .card-title::before { content: '✕'; font-weight: 700; }
.madopic-card:not([class*="card-"]) .card-title::before,
.madopic-card.card-default .card-title::before { content: '📌'; }

/* ===== 汉堡菜单按钮（默认隐藏） ===== */
.hamburger-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.hamburger-btn:hover {
    background: var(--background-gray);
}

.hamburger-btn.active {
    background: var(--primary-color);
    color: white;
}

/* ===== 拖拽图片样式 ===== */
#markdownInput.drag-over {
    background: rgba(99, 102, 241, 0.1);
    border: 2px dashed var(--primary-color);
    box-shadow: inset 0 0 20px rgba(99, 102, 241, 0.1);
}

/* ===== Prism.js 代码高亮兼容样式 ===== */
.poster-content pre[class*="language-"],
.poster-content code[class*="language-"] {
    font-family: var(--font-mono);
    font-size: var(--dynamic-code-size, 14px);
    line-height: 1.5;
    tab-size: 4;
}

.poster-content pre[class*="language-"] {
    background: #2d2d2d;
    border-radius: var(--border-radius);
    padding: 16px;
    margin: 16px 0;
    overflow-x: auto;
}

.poster-content pre[class*="language-"] code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* ===== 移动端响应式布局 ===== */
@media (max-width: 900px) {

    /* 显示汉堡菜单 */
    .hamburger-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* 隐藏副标题 */
    .toolbar-left .subtitle {
        display: none;
    }

    /* 工具栏右侧默认隐藏 */
    .toolbar-right {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 16px;
        gap: 12px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border-color);
        z-index: 100;
    }

    .toolbar-right.mobile-open {
        display: flex;
    }

    /* 模式按钮组垂直排列 */
    .toolbar-right .mode-group {
        flex-direction: column;
        width: 100%;
        margin-right: 0;
    }

    .toolbar-right .mode-group .btn-toggle {
        width: 100%;
        justify-content: center;
    }

    /* 工具栏按钮全宽 */
    .toolbar-right .btn {
        width: 100%;
        justify-content: center;
    }

    /* GitHub链接居中 */
    .toolbar-right .github-link {
        align-self: center;
    }

    /* 主内容区域垂直排列 */
    .main-content {
        flex-direction: column;
    }

    .editor-panel,
    .preview-panel {
        flex: none;
        height: 50vh;
        min-height: 300px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .preview-panel {
        border-bottom: none;
    }
}

@media (max-width: 600px) {
    .toolbar {
        padding: 8px 12px;
    }

    .toolbar-left h1 {
        font-size: 16px;
    }

    .panel-header {
        padding: 12px 16px;
    }

    /* 编辑器工具按钮响应式 */
    .editor-tools {
        flex-wrap: wrap;
    }

    .tool-separator {
        display: none;
    }
}