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

/* CSS 变量定义 */
:root {
    /* 深色主题 - MCP 风格 */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1f1f1f;
    --bg-tertiary: #1a1a1a;
    --bg-error: #290505;
    --bg-card: #161616;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --text-tertiary: #4d4d4d;
    --text-muted: #dedede;
    --border-color: #323232;
    --border-light: #333333;
    --accent-color: #dedede;
    --accent-hover: #2563eb;
    --accent-light: #1e40af;
    --success-color: #10b981;
    --success-hover: #059669;
    --success-deep: #047857;
    --error-color: #ef4444;
    --error-deep: #7c0c0c;
    --warning-color: #f59e0b;
    --nav-hover: #141414;
    --nav-active: #000000;
}

/* 浅色主题 */
.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 14px;
}

/* 顶部导航栏 */

.header-left {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.footer {
    padding: 20px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 600;
}

.logo-icon {
    font-size: 24px;
}


.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle, .settings-btn {
    width: 36px;
    height: 36px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.theme-toggle:hover, .settings-btn:hover {
    background-color: var(--border-color);
}

/* 主容器 */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* 侧边栏 - MCP 风格 */
.sidebar {
    width: 230px;
    background-color: var(--bg-secondary);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* 侧边栏头部 */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px dashed var(--border-color);
    padding: 20px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.version-badge {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    border: 1px solid var(--border-light);
}



/* 导航区域 */
.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 0px;
}

.nav-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 24px 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 6px;
    margin: 0 8px;
    margin-bottom: 10px;
}

.nav-title:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.nav-title-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    opacity: 0.6;
}

/* 展开状态的样式 */
.nav-section.expanded .nav-title-icon {
    transform: rotate(0deg);
}

.nav-section.expanded .nav-list {
    max-height: 500px;
    opacity: 1;
    visibility: visible;
    margin-bottom: 15px;
}

/* 折叠状态的样式 */
.nav-section.collapsed .nav-title-icon {
    transform: rotate(-90deg);
}

.nav-section.collapsed .nav-list {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
}

/* 导航列表过渡动画 */
.nav-list {
    transition: all 0.3s ease;
    overflow: hidden;
}

.nav-icon {
    font-size: 14px;
    opacity: 0.8;
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 24px 8px 44px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.15s ease;
    position: relative;
    line-height: 1.4;
}


.nav-item:hover {
    background-color: var(--nav-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--nav-active);
    color: var(--text-primary);
    font-weight: 500;
}


.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background-color: var(--success-color);
}

.nav-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-muted);
    border-radius: 50%;
    opacity: 0.6;
    transition: all 0.15s ease;
}

.nav-item:hover .nav-dot {
    background-color: var(--text-secondary);
    opacity: 1;
}

.nav-item.active .nav-dot {
    background-color: var(--accent-color);
    opacity: 1;
}

/* 侧边栏底部 */
.sidebar-footer {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    justify-content: space-between;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    text-align: center;
    font-size: 12px;
    cursor: pointer;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: color 0.15s ease;
}

.footer-link:hover {
    color: var(--text-secondary);
}

/* 主内容区域 */
.main-content {
    flex: 1;
    padding: 0px 40px;
    overflow-y: auto;
    background-color: var(--bg-primary);
    border-left: 1px solid var(--border-color);
}

.tool-panel {
    display: none;
    width: 100%;
}

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

.tool-header {
    margin-bottom: 10px;
    padding-bottom: 16px;
    /* border-bottom: 1px solid var(--border-color); */
    padding-top: 20px;
}

.tool-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.tool-header p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.5;
}

/* 工具内容 */
.tool-content {
    background-color: var(--bg-card);
    border-radius: 8px;
    padding: 32px;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.input-section, .output-section {
    margin-bottom: 24px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-header h1 {
    font-size: 16px;
    font-weight: 600;
}

.actions {
    display: flex;
    gap: 8px;
}

/* 按钮样式 */
.btn-primary, .btn-secondary {
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--success-deep);
    border-color: var(--success-deep);
    color: white;
}

.btn-primary:hover {
    background-color: var(--success-color);
    border-color: var(--accent-color);
}

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

.btn-secondary:hover {
    background-color: var(--border-color);
}

/* 表单元素 */
textarea, input[type="text"], input[type="number"], select {
    /* width: 100%; */
    padding: 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    resize: vertical;
}

textarea:focus, input:focus, select:focus {
    outline: none;
    border-color: var(--accent-color);
}

#jsonOutput {
    background-color: var(--bg-tertiary);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 16px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    line-height: 1.4;
    overflow-x: auto;
    min-height: 200px;
    white-space: pre-wrap;
}

/* 错误消息 */
.error-message {
    color: var(--error-color);
    font-size: 14px;
    margin-top: 8px;
    padding: 8px 12px;
    background-color: rgba(220, 53, 69, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--error-color);
    display: none;
}

.error-message.show {
    display: block;
}

/* 通用行号样式 - 被JSON和其他模块共享 */
.line-numbers {
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 12px 8px;
    min-width: 40px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-muted);
    user-select: none;
    white-space: pre;
    text-align: right;
    overflow: hidden;
}

/* 通用编辑器状态栏 */
.editor-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
}

.cursor-position {
    font-weight: 500;
    color: var(--text-primary);
}

.editor-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.separator {
    opacity: 0.5;
}

.input-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}


.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
}

.diff-result {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    min-height: 200px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
}


.tab-btn {
    padding: 12px 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.jwt-result, .jwt-output {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-top: 16px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 14px;
    min-height: 100px;
}

/* 通用表单组样式 */
.form-group {
    margin-bottom: 16px;
}

.form-group-narrow {
    margin-bottom: 0px;
}

.form-group label {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px 8px;
    color: var(--text-primary);
    font-size: 12px;
}

.form-group textarea {
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    align-items: center;
}

.form-row .form-group {
    flex: 1;
}

.form-group .main-input {
    height: 55px;
    font-size: 33px;
}

/* 状态栏 */
.status-bar {
    height: 30px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    font-size: 12px;
    color: var(--text-muted);
}



/* JSON 文档说明样式 */
.documentation-section {
    margin-top: 24px;
}

.doc-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 32px;
    overflow: hidden;
}

.doc-panel h2 {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.doc-content {
    padding: 24px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.doc-content p {
    margin-bottom: 16px;
}

.doc-content h3 {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
    margin: 32px 0 16px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.doc-content h4 {
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    margin: 20px 0 12px 0;
}

.doc-content ul {
    margin: 16px 0;
    padding-left: 20px;
}

.doc-content li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

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

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

.doc-content code {
    background: var(--bg-secondary);
    color: var(--accent-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
}

.doc-content pre {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    margin: 16px 0;
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    line-height: 1.4;
}


/* 功能网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 24px 0;
}

.feature-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.feature-item h4 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 18px;
}

.feature-item p {
    margin: 0 0 16px 0;
    color: var(--text-secondary);
}

.feature-item ul {
    margin: 0;
    padding-left: 20px;
}

.feature-item li {
    margin-bottom: 6px;
    font-size: 14px;
}



/* 数据类型网格 */
.data-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.type-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    transition: all 0.3s ease;
}

.type-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.type-item h4 {
    color: var(--accent-color);
    margin: 0 0 8px 0;
    font-size: 14px;
}

.type-item code {
    display: block;
    margin: 8px 0;
    padding: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
}

.type-item p {
    margin: 8px 0 0 0;
    font-size: 13px;
    color: var(--text-muted);
}

/* 应用场景网格 */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.use-case {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
}

.use-case:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.use-case h4 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 16px;
}

.use-case p {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
}


.example {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    margin-top: 16px;
    word-break: break-all;
}

.example strong {
    color: var(--text-primary);
}

/* 使用步骤 */
.steps {
    margin: 24px 0;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.step:hover {
    border-color: var(--accent-color);
}

.step-number {
    background: var(--accent-color);
    color: var(--bg-primary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--text-primary);
    margin: 0 0 8px 0;
    font-size: 16px;
}

.step-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Schema 功能特性 */
.schema-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.schema-feature {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
}

.schema-feature:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.schema-feature h4 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 16px;
}

.schema-feature p {
    margin: 0 0 12px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.schema-feature ul {
    margin: 0;
    padding-left: 16px;
}

.schema-feature li {
    margin-bottom: 4px;
    font-size: 13px;
}

/* Schema 使用场景 */
.use-cases-schema {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.use-case-schema {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
}

.use-case-schema:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.use-case-schema h4 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 16px;
}

.use-case-schema p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

/* 操作指南 */
.guide-steps {
    margin: 24px 0;
}

.guide-step {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.guide-step:hover {
    border-color: var(--accent-color);
}

.guide-step h4 {
    color: var(--accent-color);
    margin: 0 0 8px 0;
    font-size: 16px;
}

.guide-step p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

/* 标准文档网格 */
.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.standard-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    transition: all 0.3s ease;
}

.standard-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.standard-item h4 {
    margin: 0 0 8px 0;
    font-size: 16px;
}

.standard-item h4 a {
    color: var(--accent-color);
    text-decoration: none;
}

.standard-item h4 a:hover {
    color: var(--accent-hover);
}

.standard-item p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

/* 工具网格 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.tool-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
}

.tool-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.tool-item h4 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 16px;
}

.tool-item ul {
    margin: 0;
    padding-left: 16px;
}

.tool-item li {
    margin-bottom: 6px;
    font-size: 14px;
}

/* 最佳实践 */
.best-practices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.practice-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
}

.practice-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.practice-item h4 {
    color: var(--text-primary);
    margin: 0 0 12px 0;
    font-size: 16px;
}

.practice-item ul {
    margin: 0;
    padding-left: 16px;
}

.practice-item li {
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}


/* 响应式设计 */
@media (max-width: 1024px) {
    .sidebar {
        width: 280px;
    }
    
    .main-content {
        padding: 24px 32px;
    }
}

@media (max-width: 768px) {
    .documentation-section {
        padding: 0 16px;
    }
    
    .doc-panel h2 {
        font-size: 20px;
        padding: 16px 20px;
    }
    
    .doc-content {
        padding: 20px;
    }

    .data-types-grid,
    .use-cases,
    .feature-grid,
    .schema-features,
    .use-cases-schema,
    .standards-grid,
    .tools-grid,
    .best-practices {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        align-self: center;
    }
    


    .main-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        max-height: 300px;
        order: 2;
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
    }
    
    .sidebar-nav {
        display: flex;
        gap: 24px;
        padding: 16px 24px;
    }
    
    .nav-section {
        flex-shrink: 0;
        margin-bottom: 0;
    }
    
    .main-content {
        order: 1;
        padding: 20px 24px;
    }
    
    .diff-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }
    
    .uuid-controls {
        grid-template-columns: 1fr;
    }
    
    .tool-content {
        padding: 24px;
    }
    

}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* =================================================================
   通用下拉菜单组件样式 (可在所有页面复用)
   ================================================================= */

.dropdown-container {
    position: relative;
    display: inline-block;
    overflow: visible;
}

.dropdown-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    user-select: none;
    white-space: nowrap;
}

.dropdown-btn:hover {
    background: var(--border-color);
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(222, 222, 222, 0.2);
}

.dropdown-btn:active {
    transform: translateY(0);
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.3s ease;
    opacity: 0.7;
    margin-left: 2px;
}

.dropdown-btn:hover .dropdown-arrow {
    opacity: 1;
}

.dropdown-container.open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.3s ease;
    min-width: 140px;
    margin-top: 4px;
}

.dropdown-container.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-option {
    padding: 10px 12px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.2s ease;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    white-space: nowrap;
}

.dropdown-option:last-child {
    border-bottom: none;
}

.dropdown-option:hover {
    background: var(--border-color);
    color: var(--accent-color);
}

.dropdown-option:active {
    background: var(--accent-color);
    color: white;
}

/* 加载状态 */
.dropdown-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.dropdown-btn.loading .dropdown-arrow {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 响应式样式 */
@media (max-width: 768px) {
    .dropdown-menu {
        min-width: 120px;
    }
    
    .dropdown-option {
        padding: 8px 10px;
        font-size: 13px;
    }
    
    .dropdown-btn {
        padding: 6px 10px;
        font-size: 13px;
    }
}

/* 兼容性：保持原有的sort-*类名以支持现有代码 */
.sort-dropdown-container {
    position: relative;
    display: inline-block;
    overflow: visible;
}

.sort-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    user-select: none;
    white-space: nowrap;
}

.sort-btn:hover {
    background: var(--border-color);
    border-color: var(--accent-color);
    box-shadow: 0 2px 8px rgba(222, 222, 222, 0.2);
}

.sort-btn:active {
    transform: translateY(0);
}

.sort-dropdown-container.open .dropdown-arrow {
    transform: rotate(180deg);
}

.sort-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.3s ease;
    min-width: 140px;
    margin-top: 4px;
}

.sort-dropdown-container.open .sort-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sort-option {
    padding: 10px 12px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background 0.2s ease;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    white-space: nowrap;
}

.sort-option:last-child {
    border-bottom: none;
}

.sort-option:hover {
    background: var(--border-color);
    color: var(--accent-color);
}

.sort-option:active {
    background: var(--accent-color);
    color: white;
}

.sort-btn.sorting {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.sort-btn.sorting .dropdown-arrow {
    animation: spin 1s linear infinite;
}

/* 响应式样式兼容 */
@media (max-width: 768px) {
    .sort-dropdown-menu {
        min-width: 120px;
    }
    
    .sort-option {
        padding: 8px 10px;
        font-size: 13px;
    }
    
    .sort-btn {
        padding: 6px 10px;
        font-size: 13px;
    }
}

/* ================================ */
/* 移动端导航栏样式 */
/* ================================ */

/* 移动端导航基础样式 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

/* 移动端导航头部 */
.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    height: 60px;
}

/* 移动端Logo */
.mobile-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-logo-icon {
    /* width: 28px;
    height: 28px; */
    border-radius: 6px;
}

.mobile-logo-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

/* 汉堡菜单按钮 */
.mobile-menu-toggle {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.mobile-menu-toggle:hover {
    background-color: var(--bg-tertiary);
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 1px;
}

/* 汉堡菜单动画 */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* 移动端菜单主体 */
.mobile-nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-nav-menu.open {
    max-height: calc(100vh - 60px);
    overflow-y: auto;
}

/* 菜单内容区域 */
.mobile-nav-sections {
    padding: 16px 0;
}

/* 移动端菜单分组 */
.mobile-nav-section {
    margin-bottom: 16px;
}

.mobile-nav-section:last-child {
    margin-bottom: 0;
}

.mobile-nav-section-title {
    padding: 8px 20px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 移动端菜单项容器 */
.mobile-nav-items {
    display: flex;
    flex-direction: column;
}

/* 移动端菜单项 */
.mobile-nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.mobile-nav-item:hover {
    background-color: var(--nav-hover);
    color: var(--text-primary);
    border-left-color: var(--accent-color);
}

.mobile-nav-item.active {
    background-color: var(--nav-active);
    color: var(--text-primary);
    border-left-color: var(--accent-color);
}

/* 移动端菜单项图标 */
.mobile-nav-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--text-muted);
    margin-right: 12px;
    transition: background-color 0.2s ease;
}

.mobile-nav-item:hover .mobile-nav-dot,
.mobile-nav-item.active .mobile-nav-dot {
    background-color: var(--accent-color);
}

/* 移动端菜单项文本 */
.mobile-nav-text {
    font-size: 14px;
    font-weight: 500;
}

/* 防止页面滚动 */
body.mobile-menu-open {
    overflow: hidden;
}

/* 移动端显示规则 */
@media (max-width: 768px) {
    /* 显示移动端导航 */
    .mobile-nav {
        display: block;
    }
    
    /* 隐藏桌面端侧边栏 */
    .sidebar {
        display: none;
    }
    
    /* 调整主容器布局 */
    .main-container {
        flex-direction: column;
        padding-top: 60px; /* 为顶部导航栏留出空间 */
    }
    
    .main-content {
        width: 100%;
        padding: 16px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    .mobile-nav-header {
        padding: 10px 12px;
        height: 56px;
    }
    
    .main-container {
        padding-top: 56px;
    }
    
    .main-content {
        padding: 12px;
    }
    
    .mobile-logo-text {
        font-size: 14px;
    }
    
    .mobile-menu-toggle {
        width: 36px;
        height: 36px;
    }
    
    .hamburger-line {
        width: 18px;
    }
}