:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --accent-color: #0ea5e9;
    --sidebar-width: 320px;
    --header-height: 70px;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-code: #f8fafc;
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: #1e293b;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-inverse: #ffffff;

    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --border-dark: #cbd5e1;

    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --border-radius: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: 15px;
    line-height: 1.65;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(12px);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 32px;
    max-width: 100%;
    position: relative;
}

.header-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
}

.header-link {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.header-link:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.header-logo {
    height: 40px;
    width: 40px;
    transition: var(--transition);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.header-logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.header-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.version-selector {
    position: relative;
}

.version-selector select {
    background: var(--bg-primary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
    min-width: 140px;
    box-shadow: var(--shadow-xs);
}

.version-selector select:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.version-selector select:focus {
    outline: none;
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Container */
.container {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

.search-box {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-light);
    background: rgba(0, 0, 0, 0.02);
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.search-box input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 400;
    transition: var(--transition);
}

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

.search-box input:focus {
    outline: none;
    background-color: var(--bg-secondary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Navigation */
.navigation {
    padding: 16px 0;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-list {
    list-style: none;
}

.nav-folder {
    margin-bottom: 2px;
}

.folder-header {
    position: relative;
}

.folder-toggle {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 8px 20px;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    letter-spacing: 0.025em;
    position: relative;
}

.folder-toggle::after {
    content: '⌄';
    font-size: 16px;
    transition: transform 0.2s ease;
    color: var(--text-muted);
    transform: rotate(-90deg);
    margin-left: auto;
    line-height: 1;
}

.nav-folder.expanded .folder-toggle::after {
    transform: rotate(0deg);
}

.folder-toggle:hover {
    color: var(--primary-color);
}

.folder-toggle:hover::after {
    color: var(--primary-color);
}

.folder-content {
    display: grid;
    grid-template-rows: 0fr;
    margin: 0;
    opacity: 0;
    transition: grid-template-rows 0.3s ease-out,
        opacity 0.2s ease-out;
}

.folder-content>.nav-list-wrapper {
    overflow: hidden;
    padding: 0;
    transition: padding 0.2s ease-out;
}

.nav-folder.expanded .folder-content {
    grid-template-rows: 1fr;
    opacity: 1;
}

.nav-folder.expanded .folder-content>.nav-list-wrapper {
    padding: 4px 0 0 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: block;
    padding: 6px 20px 6px 40px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    transition: all 0.15s ease;
    position: relative;
    line-height: 1.4;
}

.nav-link:hover {
    color: var(--primary-color);
}

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

/* Top-level navigation links (not in folders) */
.nav-link-top {
    padding: 8px 20px;
    margin: 0;
    font-weight: 500;
    font-size: 14px;
}

.nav-link-top:hover {
    color: var(--primary-color);
}

.nav-link-top.active {
    color: var(--primary-color);
}

/* Content */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    background-color: var(--bg-primary);
    min-height: calc(100vh - var(--header-height));
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 48px 40px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    min-height: calc(100vh - var(--header-height) - 40px);
    position: relative;
    overflow-x: hidden;
}

/* Utility Classes for Code Formatting */
.code-wrapper {
    position: relative;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.code-wrapper::-webkit-scrollbar {
    height: 8px;
}

.code-wrapper::-webkit-scrollbar-track {
    background: #f1f3f4;
    border-radius: 4px;
}

.code-wrapper::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

.code-wrapper::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

.code-wrapper {
    transition: all 0.2s ease;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.code-wrapper:hover {
    border-color: #d1d5db;
}

.code-wrapper pre {
    margin: 0;
    padding: 20px 24px;
    overflow-x: auto;
}

.markdown-content {
    line-height: 1.75;
    color: var(--text-primary);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin: 40px 0 20px 0;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.markdown-content h1 {
    font-size: 2.25rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 32px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.markdown-content h2 {
    font-size: 1.875rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 12px;
    margin-top: 48px;
}

.markdown-content h3 {
    font-size: 1.5rem;
    margin-top: 36px;
    color: var(--primary-color);
}

.markdown-content h4 {
    font-size: 1.25rem;
    margin-top: 32px;
}

.markdown-content h5 {
    font-size: 1.125rem;
    margin-top: 28px;
}

.markdown-content h6 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: 24px;
}

.markdown-content p {
    margin: 20px 0;
    color: var(--text-primary);
    line-height: 1.75;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    max-width: 100%;
}

.markdown-content strong {
    font-weight: 650;
    color: var(--text-primary);
}

.markdown-content em {
    font-style: italic;
    color: var(--text-secondary);
}

.markdown-content del {
    text-decoration: line-through;
    color: var(--text-muted);
}

.markdown-content code {
    background: var(--bg-code);
    padding: 3px 6px;
    border-radius: 4px;
    font-family: var(--font-family-mono);
    font-size: 0.875em;
    color: var(--primary-color);
    font-weight: 500;
    border: 1px solid var(--border-light);
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    max-width: 100%;
}

.markdown-content pre {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 20px 24px;
    margin: 0;
    overflow-x: auto;
    line-height: 1.5;
    position: relative;
    font-size: 14px;
    white-space: pre;
    word-wrap: normal;
    width: 100%;
    box-sizing: border-box;
}

.code-wrapper {
    margin: 24px 0;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    width: 100%;
    max-width: 100%;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
}

.copy-button {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 12px;
    color: #6c757d;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    z-index: 10;
    opacity: 0.8;
    font-family: var(--font-family);
}

.copy-button:hover {
    background: #f8f9fa;
    border-color: #6c757d;
    opacity: 1;
}

.copy-button:active {
    transform: translateY(1px);
}

.copy-button svg {
    width: 14px;
    height: 14px;
}

.copy-button .copy-success {
    color: #28a745;
    font-weight: 500;
}

.language-indicator {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #6c757d;
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 5;
    opacity: 0.8;
    font-family: var(--font-family-mono);
}

/* Syntax Highlighting Colors */
.syntax-keyword {
    color: #0066cc;
    font-weight: 600;
}

.syntax-string {
    color: #008000;
}

.syntax-comment {
    color: #6a737d;
    font-style: italic;
}

.syntax-number {
    color: #d73a49;
}

.syntax-function {
    color: #6f42c1;
    font-weight: 500;
}

.syntax-selector {
    color: #e36209;
    font-weight: 500;
}

.syntax-attribute {
    color: #6f42c1;
}

.syntax-tag {
    color: #22863a;
}

.syntax-variable {
    color: #005cc5;
    font-weight: 500;
}

.syntax-template-literal {
    color: #e36209;
    font-weight: 500;
}

.syntax-type {
    color: #6f42c1;
    font-weight: 600;
}

.syntax-decorator {
    color: #d73a49;
    font-weight: 500;
}

.syntax-annotation {
    color: #d73a49;
    font-weight: 500;
}

.syntax-pseudo-class {
    color: #e36209;
    font-weight: 500;
}

.syntax-pseudo-element {
    color: #e36209;
    font-weight: 500;
}

.syntax-doctype {
    color: #6a737d;
    font-weight: 500;
}

.syntax-punctuation {
    color: #586069;
}

.syntax-operator {
    color: #586069;
    font-weight: 500;
}

.markdown-content pre code {
    background: none !important;
    padding: 0 !important;
    color: #2d3748;
    border: none !important;
    font-size: inherit;
    white-space: pre !important;
    word-wrap: normal !important;
    word-break: normal !important;
    overflow-wrap: normal !important;
    display: block;
    width: 100%;
    min-width: 0;
    max-width: none;
    font-family: var(--font-family-mono) !important;
    margin: 0 !important;
    line-height: inherit;
}

.markdown-content blockquote {
    border-left: 4px solid var(--primary-color);
    margin: 24px 0;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-secondary) 100%);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    position: relative;
    box-shadow: var(--shadow-xs);
}

.markdown-content blockquote::before {
    content: '"';
    position: absolute;
    top: 8px;
    left: 8px;
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
    font-family: Georgia, serif;
}

.markdown-content blockquote p {
    margin: 0;
    color: var(--text-secondary);
    font-style: italic;
    padding-left: 20px;
}

.markdown-content ul,
.markdown-content ol {
    margin: 20px 0;
    padding-left: 28px;
}

.markdown-content li {
    margin: 8px 0;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.markdown-content li p {
    margin: 6px 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.markdown-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    position: relative;
}

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

.markdown-content a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -1px;
    left: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.markdown-content a:hover::after {
    transform: scaleX(1);
}

.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    margin: 24px 0;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.markdown-content hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, var(--border-color) 0%, var(--border-light) 50%, var(--border-color) 100%);
    margin: 48px 0;
    border-radius: 1px;
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.markdown-content th,
.markdown-content td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.markdown-content th {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    font-weight: 650;
    color: var(--text-primary);
    font-size: 0.875rem;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.markdown-content tr:last-child td {
    border-bottom: none;
}

.markdown-content tr:hover {
    background-color: var(--bg-secondary);
}

.markdown-content td {
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Error Message */
.error-message {
    text-align: center;
    padding: 64px 32px;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--border-color);
}

.error-message h2 {
    margin-bottom: 16px;
    color: #ef4444;
    font-weight: 700;
}

.error-message p {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 280px;
    }

    .content-wrapper {
        padding: 32px 24px;
        max-width: 800px;
    }
}

@media (max-width: 1024px) {
    :root {
        --sidebar-width: 260px;
        --header-height: 65px;
    }

    .content-wrapper {
        padding: 24px 20px;
    }

    .header-content {
        padding: 0 20px;
    }

    .header-title {
        font-size: 1.25rem;
    }

    .code-wrapper {
        margin: 16px -20px;
        border-radius: 0;
        width: calc(100% + 40px);
        max-width: calc(100vw - 40px);
    }

    .markdown-content pre {
        margin: 0;
        padding: 16px 20px;
        border-radius: 0;
        font-size: 13px;
        width: 100%;
        border-left: none;
        border-right: none;
        box-sizing: border-box;
    }

    .markdown-content code {
        font-size: 0.85em;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .version-selector select {
        min-width: 120px;
        font-size: 13px;
        padding: 8px 12px;
        padding-right: 36px;
    }

    .markdown-content h1 {
        font-size: 2rem;
    }

    .markdown-content h2 {
        font-size: 1.625rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .header-content {
        flex-direction: row;
        justify-content: space-between;
        gap: 16px;
        padding: 0 16px 0 60px;
        height: var(--header-height);
    }

    .header-title {
        font-size: 1.125rem;
        text-align: left;
    }

    .version-selector select {
        min-width: 120px;
        font-size: 13px;
        padding: 8px 12px;
        padding-right: 36px;
    }

    .mobile-menu-toggle {
        position: fixed;
        top: 15px;
        left: 16px;
        z-index: 1001;
        color: black;
        border: none;
        background: none;
        padding: 8px;
        cursor: pointer;
        transition: var(--transition);
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-menu-toggle:hover {
        transform: scale(1.05);
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        width: 280px;
        box-shadow: var(--shadow-xl);
        display: flex;
        flex-direction: column;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
    }

    .content-wrapper {
        padding: 24px 20px;
        margin: 0 12px;
        border-radius: var(--border-radius-md);
    }

    .markdown-content h1 {
        font-size: 1.75rem;
        margin: 24px 0 20px 0;
    }

    .markdown-content h2 {
        font-size: 1.5rem;
        margin-top: 32px;
    }

    .markdown-content h3 {
        font-size: 1.25rem;
        margin-top: 28px;
    }

    .markdown-content h4 {
        font-size: 1.1rem;
        margin: 1rem 0 0.5rem;
    }

    .markdown-content p {
        margin: 0 0 1.25rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }

    .code-wrapper {
        margin: 20px -16px;
        border-radius: 0;
        width: calc(100% + 32px);
        max-width: calc(100vw - 32px);
        border-left: none;
        border-right: none;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .markdown-content pre {
        margin: 0;
        border-radius: 0;
        padding: 18px 16px;
        font-size: 13px;
        line-height: 1.4;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        box-sizing: border-box;
        width: 100%;
        border-left: none;
        border-right: none;
    }

    .markdown-content code {
        font-size: 0.8em;
        padding: 2px 4px;
        word-break: break-word;
        overflow-wrap: break-word;
        white-space: pre-wrap;
        max-width: 100%;
        display: inline-block;
        vertical-align: top;
    }

    .markdown-content pre code {
        word-break: normal;
        white-space: pre;
        word-wrap: normal;
        font-size: inherit;
        overflow-wrap: normal;
        display: block;
        width: 100%;
        min-width: 0;
        max-width: none;
    }

    .markdown-content ul,
    .markdown-content ol {
        padding-left: 20px;
        margin: 0 0 1rem;
    }

    .markdown-content li {
        margin: 0.5rem 0;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .markdown-content blockquote {
        margin: 1rem -16px;
        padding: 1rem 16px;
        border-left: 4px solid var(--primary-color);
        background: var(--bg-tertiary);
        border-radius: 0;
    }

    .markdown-content table {
        font-size: 14px;
        margin: 1rem -16px;
        width: calc(100% + 32px);
        border-collapse: collapse;
        overflow-x: auto;
        display: block;
        white-space: nowrap;
    }

    .markdown-content table thead,
    .markdown-content table tbody,
    .markdown-content table tr {
        display: table;
        width: 100%;
        table-layout: fixed;
    }

    .markdown-content table th,
    .markdown-content table td {
        padding: 8px 12px;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
        word-wrap: break-word;
        hyphens: auto;
        min-width: 120px;
    }

    .search-box {
        padding: 16px;
        flex-shrink: 0;
        position: sticky;
        top: 0;
        z-index: 10;
    }

    .nav-link {
        padding: 8px 20px 8px 40px;
        font-size: 14px;
    }

    .folder-toggle {
        padding: 10px 20px;
        font-size: 14px;
    }

    .nav-link-top {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    :root {
        --header-height: 60px;
    }

    .header-content {
        padding: 0 12px 0 56px;
        gap: 12px;
        flex-direction: row;
        justify-content: space-between;
    }

    .header-title {
        font-size: 1rem;
        flex-shrink: 0;
    }

    .version-selector select {
        font-size: 12px;
        padding: 6px 8px;
        padding-right: 28px;
        min-width: 100px;
        background-size: 14px;
        background-position: right 8px center;
    }

    .mobile-menu-toggle {
        top: 10px;
        left: 12px;
        width: 36px;
        height: 36px;
        padding: 6px;
    }

    .content-wrapper {
        padding: 20px 16px;
        margin: 0 8px;
    }

    .markdown-content {
        font-size: 14px;
    }

    .markdown-content h1 {
        font-size: 1.5rem;
    }

    .markdown-content h2 {
        font-size: 1.25rem;
    }

    .markdown-content h3 {
        font-size: 1.125rem;
    }

    .markdown-content pre {
        padding: 16px 12px;
        font-size: 13px;
        margin: 16px -4px;
        border-radius: var(--border-radius-md);
    }

    .copy-button {
        top: 8px;
        right: 8px;
        padding: 4px 6px;
        font-size: 11px;
    }

    .copy-button svg {
        width: 12px;
        height: 12px;
    }

    .language-indicator {
        top: 8px;
        left: 8px;
        font-size: 9px;
        padding: 1px 4px;
    }

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

    .markdown-content th,
    .markdown-content td {
        padding: 10px 12px;
    }

    .search-box {
        padding: 16px;
    }

    .search-box input {
        font-size: 13px;
        padding: 10px 12px;
    }
}

/* Print Styles */
@media print {

    .header,
    .sidebar,
    .mobile-menu-toggle {
        display: none !important;
    }

    .content {
        margin-left: 0 !important;
    }

    .content-wrapper {
        max-width: none !important;
        padding: 0 !important;
        margin: 0 !important;
        box-shadow: none !important;
    }

    .markdown-content a {
        color: var(--text-primary) !important;
        text-decoration: underline !important;
    }

    .markdown-content a::after {
        display: none !important;
    }

    .markdown-content pre {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .markdown-content h1,
    .markdown-content h2,
    .markdown-content h3 {
        break-after: avoid;
        page-break-after: avoid;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

button:focus-visible,
select:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--border-radius);
}

@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
        --bg-code: #ffffff;
        --bg-secondary: #f0f0f0;
    }

    .sidebar {
        border-right: 2px solid #000000;
    }

    .nav-link.active {
        background: #000000;
        color: #ffffff;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #ffffff;
        --bg-secondary: #f8fafc;
        --text-primary: #0f172a;
        /* Keep light theme for now - can be enhanced later */
    }
}

/* Loading animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

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

.nav-link {
    animation: fadeIn 0.3s ease-out;
}

html {
    scroll-behavior: smooth;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.content::-webkit-scrollbar {
    width: 8px;
}

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

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

.content::-webkit-scrollbar-thumb:hover {
    background: var(--border-dark);
}