/* Markdown编辑器样式 */
:root {
    /* 亮色主题变量 */
    --editor-bg: #ffffff;
    --editor-text: #333333;
    --preview-bg: #f8f9fa;
    --border-color: #e0e0e0;
    --toolbar-bg: #f5f5f5;
    --toolbar-hover: #e9ecef;
    --active-color: #007bff;
    --panel-header-bg: #f8f9fa;
    --dropdown-bg: #ffffff;
    --dropdown-hover: #f8f9fa;
    --card-bg: #ffffff;
    --code-bg: #f6f8fa;
    --blockquote-border: #cccccc;
    --scrollbar-thumb: #cccccc;
    --scrollbar-track: #f1f1f1;
    --syntax-text: #666666;
    --syntax-bg: #f7f7f7;
}

/* 暗色主题变量 */
.dark-mode {
    --editor-bg: #1e1e1e;
    --editor-text: #d4d4d4;
    --preview-bg: #252526;
    --border-color: #444444;
    --toolbar-bg: #2d2d30;
    --toolbar-hover: #3e3e42;
    --active-color: #4da6ff;
    --panel-header-bg: #2d2d30;
    --dropdown-bg: #3c3c3c;
    --dropdown-hover: #4e4e4e;
    --card-bg: #2d2d30;
    --code-bg: #1e1e1e;
    --blockquote-border: #666666;
    --scrollbar-thumb: #666666;
    --scrollbar-track: #2d2d30;
    --syntax-text: #cccccc;
    --syntax-bg: #2d2d30;
}

/* 编辑器容器 */
.markdown-editor-container {
    background-color: var(--editor-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: background-color 0.3s ease;
}

/* 控制栏 */
.editor-controls {
    border-bottom: 1px solid var(--border-color);
}

.control-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--toolbar-bg);
}

.editor-modes {
    display: flex;
    gap: 5px;
}

.mode-btn {
    padding: 6px 12px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--editor-text);
}

.mode-btn:hover {
    background-color: var(--toolbar-hover);
}

.mode-btn.active {
    background-color: var(--active-color);
    color: white;
    border-color: var(--active-color);
}

.editor-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.action-btn {
    padding: 8px 12px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--editor-text);
    display: flex;
    align-items: center;
    gap: 5px;
}

.action-btn:hover {
    background-color: var(--toolbar-hover);
}

.action-icon {
    font-size: 16px;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-arrow {
    font-size: 12px;
    transition: transform 0.2s ease;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--dropdown-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    min-width: 150px;
    max-height: 300px;
    overflow-y: auto;
    display: none;
}

.dropdown-menu.show {
    display: block;
    animation: dropdownFadeIn 0.2s ease;
}

.dropdown-item {
    width: 100%;
    padding: 10px 15px;
    background-color: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    color: var(--editor-text);
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--dropdown-hover);
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 工具栏 */
.toolbar {
    display: flex;
    align-items: center;
    padding: 8px 15px;
    background-color: var(--toolbar-bg);
    flex-wrap: wrap;
    gap: 5px;
    border-top: 1px solid var(--border-color);
}

.toolbar-btn {
    padding: 6px 10px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--editor-text);
    font-size: 14px;
    min-width: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.toolbar-divider {
    width: 1px;
    height: 20px;
    background-color: var(--border-color);
    margin: 0 5px;
}

.toolbar-icon {
    font-size: 14px;
}

/* 编辑器内容区域 */
.editor-content {
    display: flex;
    height: 600px;
    position: relative;
}

/* 编辑模式 */
.editor-content.editor-mode .editor-panel {
    width: 100%;
    display: block;
}

.editor-content.editor-mode .preview-panel {
    display: none;
}

/* 预览模式 */
.editor-content.preview-mode .editor-panel {
    display: none;
}

.editor-content.preview-mode .preview-panel {
    width: 100%;
    display: block;
}

/* 分屏模式 */
.editor-content.split-mode .editor-panel,
.editor-content.split-mode .preview-panel {
    width: 50%;
    display: block;
}

/* 面板通用样式 */
.editor-panel,
.preview-panel {
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease;
}

.preview-panel {
    border-left: 1px solid var(--border-color);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 15px;
    background-color: var(--panel-header-bg);
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--editor-text);
}

.panel-title {
    font-weight: 500;
}

.panel-btn {
    padding: 4px 8px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    color: var(--editor-text);
    transition: all 0.2s ease;
}

.panel-btn:hover {
    background-color: var(--toolbar-hover);
}

/* 编辑器文本区域 */
#markdown-editor {
    flex: 1;
    width: 100%;
    padding: 15px;
    border: none;
    resize: none;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    background-color: var(--editor-bg);
    color: var(--editor-text);
    outline: none;
    overflow-y: auto;
}

/* 预览区域 */
#markdown-preview {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: var(--preview-bg);
    color: var(--editor-text);
}

/* Markdown内容样式 */
.markdown-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

.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;
}

.markdown-body h1 {
    font-size: 2em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border-color);
}

.markdown-body h2 {
    font-size: 1.5em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border-color);
}

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

.markdown-body p {
    margin-top: 0;
    margin-bottom: 16px;
}

.markdown-body a {
    color: var(--active-color);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body img {
    max-width: 100%;
    box-sizing: content-box;
    background-color: var(--editor-bg);
}

.markdown-body pre {
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    background-color: var(--code-bg);
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.markdown-body code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background-color: var(--code-bg);
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.markdown-body pre > code {
    padding: 0;
    margin: 0;
    font-size: 100%;
    word-break: normal;
    white-space: pre;
    background: transparent;
    border: 0;
}

.markdown-body blockquote {
    padding: 0 1em;
    color: var(--syntax-text);
    border-left: 0.25em solid var(--blockquote-border);
    margin: 0 0 16px 0;
}

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

.markdown-body table {
    display: block;
    width: 100%;
    overflow: auto;
    border-spacing: 0;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.markdown-body table th,
.markdown-body table td {
    padding: 6px 13px;
    border: 1px solid var(--border-color);
}

.markdown-body table tr {
    background-color: var(--editor-bg);
    border-top: 1px solid var(--border-color);
}

.markdown-body table tr:nth-child(2n) {
    background-color: var(--preview-bg);
}

.markdown-body hr {
    height: 0.25em;
    padding: 0;
    margin: 24px 0;
    background-color: var(--border-color);
    border: 0;
}

.markdown-body input[type="checkbox"] {
    margin-right: 0.5em;
}

/* 额外内容区域 */
.editor-extras {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    transition: background-color 0.3s ease;
}

.card h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--editor-text);
}

/* 示例标签页 */
.example-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.example-tab {
    padding: 8px 16px;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    color: var(--editor-text);
    transition: all 0.2s ease;
}

.example-tab:hover {
    background-color: var(--toolbar-hover);
}

.example-tab.active {
    color: var(--active-color);
    border-bottom: 2px solid var(--active-color);
}

.example-content {
    position: relative;
}

.example-panel {
    display: none;
    min-height: 100px;
}

.example-panel.active {
    display: block;
}

.load-example-btn {
    padding: 10px 20px;
    background-color: var(--active-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.load-example-btn:hover {
    background-color: #0056b3;
}

/* 语法参考 */
.syntax-reference {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
}

.syntax-section h4 {
    margin-top: 0;
    margin-bottom: 8px;
    color: var(--editor-text);
    font-size: 14px;
}

.syntax-section pre {
    margin: 0;
    padding: 10px;
    background-color: var(--syntax-bg);
    border-radius: 4px;
    font-size: 13px;
    color: var(--syntax-text);
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

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

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .control-bar {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .editor-modes {
        justify-content: center;
    }
    
    .editor-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .toolbar {
        justify-content: center;
        padding: 10px;
    }
    
    .editor-content {
        height: 400px;
    }
    
    .editor-content.split-mode .editor-panel,
    .editor-content.split-mode .preview-panel {
        width: 100%;
        height: 50%;
    }
    
    .editor-content.split-mode {
        flex-direction: column;
    }
    
    .preview-panel {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    
    .editor-extras {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tool-header h1 {
        font-size: 24px;
    }
    
    .action-btn span:not(.action-icon) {
        display: none;
    }
    
    .action-btn {
        padding: 8px;
    }
    
    .toolbar-btn {
        padding: 6px;
        font-size: 12px;
        min-width: 28px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.markdown-editor-container,
.card {
    animation: fadeIn 0.3s ease;
}