/**
 * Tool Master Documentation Center Stylesheet
 * Modern Editorial Design - Clean, Professional, Distinctive
 *
 * Design Direction: Sophisticated minimalism meets editorial elegance
 * Fonts: Crimson Pro (serif headlines) + DM Sans (body) + JetBrains Mono (code)
 * Colors: Warm ivory backgrounds, deep navy text, coral accents
 */

/* ============================================
   CSS Variables & Design Tokens
   ============================================ */
:root {
    /* Color Palette */
    --doc-bg-primary: #faf9f7;
    --doc-bg-secondary: #ffffff;
    --doc-bg-tertiary: #f4f3f0;
    --doc-bg-code: #f8f7fd;
    --doc-bg-code-block: #1e2432;

    --doc-text-primary: #1a2332;
    --doc-text-secondary: #4a5568;
    --doc-text-muted: #718096;
    --doc-text-light: #a0aec0;

    --doc-accent-primary: #e86c4d;
    --doc-accent-secondary: #2d9596;
    --doc-accent-hover: #d15a3d;
    --doc-accent-light: rgba(232, 108, 77, 0.1);

    --doc-border-light: #eee9e3;
    --doc-border-medium: #ddd6cc;

    --doc-shadow-sm: 0 1px 3px rgba(26, 35, 50, 0.06);
    --doc-shadow-md: 0 4px 12px rgba(26, 35, 50, 0.08);
    --doc-shadow-lg: 0 8px 24px rgba(26, 35, 50, 0.1);
    --doc-shadow-hover: 0 12px 32px rgba(26, 35, 50, 0.12);

    /* Typography */
    --doc-font-display: 'Crimson Pro', 'Noto Serif TC', Georgia, serif;
    --doc-font-body: 'DM Sans', 'Noto Sans TC', system-ui, sans-serif;
    --doc-font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

    /* Spacing */
    --doc-space-xs: 0.25rem;
    --doc-space-sm: 0.5rem;
    --doc-space-md: 1rem;
    --doc-space-lg: 1.5rem;
    --doc-space-xl: 2rem;
    --doc-space-2xl: 3rem;
    --doc-space-3xl: 4rem;

    /* Layout */
    --doc-max-width: 1400px;
    --doc-content-width: 840px;
    --doc-sidebar-width: 280px;

    /* Animation */
    --doc-transition-fast: 0.15s ease;
    --doc-transition-base: 0.25s ease;
    --doc-transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

    /* Border Radius */
    --doc-radius-sm: 6px;
    --doc-radius-md: 10px;
    --doc-radius-lg: 16px;
    --doc-radius-xl: 24px;
}

/* ============================================
   Google Fonts Import
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,400;0,500;0,600;0,700;1,400&family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;600&family=Noto+Sans+TC:wght@400;500;600;700&family=Noto+Serif+TC:wght@400;500;600;700&display=swap');

/* ============================================
   Reading Progress Bar
   ============================================ */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--doc-accent-primary), var(--doc-accent-secondary));
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ============================================
   Base Styles for Documentation Pages
   ============================================ */
.docs-page {
    background: var(--doc-bg-primary);
    min-height: 100vh;
    font-family: var(--doc-font-body);
    color: var(--doc-text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   Documentation List Page Styles
   ============================================ */
.docs-list-container {
    max-width: var(--doc-max-width);
    margin: 0 auto;
    padding: var(--doc-space-2xl) var(--doc-space-xl);
}

/* Hero Section */
.docs-hero {
    text-align: center;
    padding: var(--doc-space-3xl) 0;
    margin-bottom: var(--doc-space-2xl);
    position: relative;
}

.docs-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, var(--doc-accent-primary), var(--doc-accent-secondary));
    border-radius: 2px;
}

.docs-hero-title {
    font-family: var(--doc-font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: var(--doc-space-xl) 0 var(--doc-space-lg);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.docs-hero-subtitle {
    font-size: 1.15rem;
    color: var(--doc-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Search & Filter Bar */
.docs-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--doc-space-lg);
    margin-bottom: var(--doc-space-xl);
    padding: var(--doc-space-lg);
    background: var(--doc-bg-secondary);
    border-radius: var(--doc-radius-lg);
    box-shadow: var(--doc-shadow-sm);
    border: 1px solid var(--doc-border-light);
}

.docs-search-wrapper {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.docs-search-icon {
    position: absolute;
    left: var(--doc-space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--doc-text-muted);
    width: 18px;
    height: 18px;
}

.docs-search-input {
    width: 100%;
    padding: var(--doc-space-md) var(--doc-space-md) var(--doc-space-md) 2.75rem;
    font-family: var(--doc-font-body);
    font-size: 0.95rem;
    border: 2px solid var(--doc-border-light);
    border-radius: var(--doc-radius-md);
    background: var(--doc-bg-primary);
    color: var(--doc-text-primary);
    transition: var(--doc-transition-base);
}

.docs-search-input:focus {
    outline: none;
    border-color: var(--doc-accent-secondary);
    box-shadow: 0 0 0 4px rgba(45, 149, 150, 0.1);
}

.docs-search-input::placeholder {
    color: var(--doc-text-light);
}

.docs-filter-wrapper {
    display: flex;
    align-items: center;
    gap: var(--doc-space-md);
}

.docs-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--doc-space-sm);
    padding: var(--doc-space-md) var(--doc-space-lg);
    font-family: var(--doc-font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--doc-text-secondary);
    background: var(--doc-bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--doc-radius-md);
    cursor: pointer;
    transition: var(--doc-transition-base);
}

.docs-filter-btn:hover {
    background: var(--doc-bg-primary);
    border-color: var(--doc-border-medium);
}

.docs-filter-btn.active {
    background: var(--doc-accent-light);
    color: var(--doc-accent-primary);
    border-color: var(--doc-accent-primary);
}

.docs-count {
    font-size: 0.9rem;
    color: var(--doc-text-muted);
}

.docs-count strong {
    color: var(--doc-text-primary);
    font-weight: 600;
}

/* Document Cards Grid */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--doc-space-xl);
}

.doc-card {
    background: var(--doc-bg-secondary);
    border-radius: var(--doc-radius-lg);
    padding: var(--doc-space-xl);
    box-shadow: var(--doc-shadow-sm);
    border: 1px solid var(--doc-border-light);
    transition: var(--doc-transition-slow);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.doc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--doc-accent-primary), var(--doc-accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--doc-transition-slow);
}

.doc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--doc-shadow-hover);
    border-color: var(--doc-border-medium);
}

.doc-card:hover::before {
    transform: scaleX(1);
}

.doc-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--doc-radius-md);
    background: linear-gradient(135deg, var(--doc-accent-light) 0%, rgba(45, 149, 150, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--doc-space-lg);
}

.doc-card-title {
    font-family: var(--doc-font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: 0 0 var(--doc-space-sm);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.doc-card-description {
    font-size: 0.95rem;
    color: var(--doc-text-secondary);
    line-height: 1.7;
    margin: 0 0 var(--doc-space-lg);
    flex: 1;
}

.doc-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--doc-space-md);
    border-top: 1px solid var(--doc-border-light);
}

.doc-card-category {
    display: inline-flex;
    align-items: center;
    gap: var(--doc-space-xs);
    padding: var(--doc-space-xs) var(--doc-space-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--doc-accent-secondary);
    background: rgba(45, 149, 150, 0.1);
    border-radius: var(--doc-radius-sm);
}

.doc-card-date {
    font-size: 0.85rem;
    color: var(--doc-text-muted);
}

.doc-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--doc-space-sm);
    margin-top: var(--doc-space-md);
}

.doc-card-tag {
    font-size: 0.75rem;
    color: var(--doc-text-muted);
    background: var(--doc-bg-tertiary);
    padding: 2px 8px;
    border-radius: 12px;
}

/* Card Entrance Animation */
.doc-card {
    opacity: 0;
    transform: translateY(20px);
    animation: cardSlideIn 0.5s ease forwards;
}

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

.doc-card:nth-child(1) { animation-delay: 0.05s; }
.doc-card:nth-child(2) { animation-delay: 0.1s; }
.doc-card:nth-child(3) { animation-delay: 0.15s; }
.doc-card:nth-child(4) { animation-delay: 0.2s; }
.doc-card:nth-child(5) { animation-delay: 0.25s; }
.doc-card:nth-child(6) { animation-delay: 0.3s; }
.doc-card:nth-child(7) { animation-delay: 0.35s; }
.doc-card:nth-child(8) { animation-delay: 0.4s; }
.doc-card:nth-child(9) { animation-delay: 0.45s; }

/* Empty State */
.docs-empty {
    text-align: center;
    padding: var(--doc-space-3xl) var(--doc-space-xl);
    background: var(--doc-bg-secondary);
    border-radius: var(--doc-radius-lg);
    border: 2px dashed var(--doc-border-light);
}

.docs-empty-icon {
    font-size: 3.5rem;
    margin-bottom: var(--doc-space-lg);
    opacity: 0.6;
}

.docs-empty-title {
    font-family: var(--doc-font-display);
    font-size: 1.5rem;
    color: var(--doc-text-primary);
    margin: 0 0 var(--doc-space-sm);
}

.docs-empty-text {
    color: var(--doc-text-muted);
    margin: 0;
}

/* ============================================
   Documentation Article Page Styles
   ============================================ */
.docs-article-layout {
    display: grid;
    grid-template-columns: var(--doc-sidebar-width) 1fr;
    gap: var(--doc-space-2xl);
    max-width: calc(var(--doc-sidebar-width) + var(--doc-content-width) + var(--doc-space-2xl));
    margin: 0 auto;
    padding: var(--doc-space-xl);
}

/* Article Sidebar / TOC */
.docs-sidebar {
    position: sticky;
    top: var(--doc-space-xl);
    height: fit-content;
    max-height: calc(100vh - var(--doc-space-2xl));
    overflow-y: auto;
    padding-right: var(--doc-space-lg);
}

.docs-sidebar::-webkit-scrollbar {
    width: 4px;
}

.docs-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.docs-sidebar::-webkit-scrollbar-thumb {
    background: var(--doc-border-light);
    border-radius: 2px;
}

.docs-toc-title {
    font-family: var(--doc-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--doc-text-muted);
    margin: 0 0 var(--doc-space-lg);
    padding-bottom: var(--doc-space-sm);
    border-bottom: 1px solid var(--doc-border-light);
}

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

.docs-toc-item {
    margin-bottom: var(--doc-space-xs);
}

.docs-toc-link {
    display: block;
    padding: var(--doc-space-sm) var(--doc-space-md);
    font-size: 0.9rem;
    color: var(--doc-text-secondary);
    text-decoration: none;
    border-left: 2px solid transparent;
    border-radius: 0 var(--doc-radius-sm) var(--doc-radius-sm) 0;
    transition: var(--doc-transition-fast);
}

.docs-toc-link:hover {
    color: var(--doc-text-primary);
    background: var(--doc-bg-tertiary);
}

.docs-toc-link.active {
    color: var(--doc-accent-primary);
    background: var(--doc-accent-light);
    border-left-color: var(--doc-accent-primary);
    font-weight: 500;
}

/* Back to List Link */
.docs-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--doc-space-sm);
    margin-top: var(--doc-space-xl);
    padding: var(--doc-space-sm) var(--doc-space-md);
    font-size: 0.85rem;
    color: var(--doc-text-muted);
    text-decoration: none;
    border-radius: var(--doc-radius-sm);
    transition: var(--doc-transition-base);
}

.docs-back-link:hover {
    color: var(--doc-accent-secondary);
    background: rgba(45, 149, 150, 0.1);
}

/* Article Main Content */
.docs-article-main {
    max-width: var(--doc-content-width);
    padding-bottom: var(--doc-space-3xl);
}

/* Article Header */
.docs-article-header {
    margin-bottom: var(--doc-space-2xl);
    padding-bottom: var(--doc-space-xl);
    border-bottom: 1px solid var(--doc-border-light);
}

.docs-article-category {
    display: inline-flex;
    align-items: center;
    gap: var(--doc-space-xs);
    padding: var(--doc-space-xs) var(--doc-space-md);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--doc-accent-secondary);
    background: rgba(45, 149, 150, 0.1);
    border-radius: var(--doc-radius-sm);
    margin-bottom: var(--doc-space-lg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.docs-article-title {
    font-family: var(--doc-font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: 0 0 var(--doc-space-md);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.docs-article-description {
    font-size: 1.15rem;
    color: var(--doc-text-secondary);
    line-height: 1.8;
    margin: 0 0 var(--doc-space-lg);
}

.docs-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--doc-space-lg);
    font-size: 0.9rem;
    color: var(--doc-text-muted);
}

.docs-article-meta-item {
    display: flex;
    align-items: center;
    gap: var(--doc-space-xs);
}

.docs-article-actions {
    display: flex;
    gap: var(--doc-space-md);
    margin-top: var(--doc-space-lg);
}

.docs-article-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--doc-space-sm);
    padding: var(--doc-space-md) var(--doc-space-lg);
    font-family: var(--doc-font-body);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--doc-radius-md);
    transition: var(--doc-transition-base);
}

.docs-article-btn.primary {
    color: white;
    background: var(--doc-accent-primary);
}

.docs-article-btn.primary:hover {
    background: var(--doc-accent-hover);
    transform: translateY(-1px);
}

.docs-article-btn.secondary {
    color: var(--doc-text-secondary);
    background: var(--doc-bg-tertiary);
    border: 1px solid var(--doc-border-light);
}

.docs-article-btn.secondary:hover {
    background: var(--doc-bg-secondary);
    border-color: var(--doc-border-medium);
}

/* Article Content Sections */
.docs-section {
    margin-bottom: var(--doc-space-2xl);
    scroll-margin-top: var(--doc-space-xl);
}

.docs-section-title {
    font-family: var(--doc-font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: 0 0 var(--doc-space-lg);
    padding-bottom: var(--doc-space-sm);
    border-bottom: 2px solid var(--doc-border-light);
    letter-spacing: -0.01em;
}

.docs-section h3 {
    font-family: var(--doc-font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: var(--doc-space-xl) 0 var(--doc-space-md);
}

.docs-section p {
    font-size: 1.05rem;
    color: var(--doc-text-secondary);
    line-height: 1.8;
    margin: 0 0 var(--doc-space-lg);
}

.docs-section ul,
.docs-section ol {
    margin: 0 0 var(--doc-space-lg);
    padding-left: var(--doc-space-xl);
}

.docs-section li {
    font-size: 1.05rem;
    color: var(--doc-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--doc-space-sm);
}

/* Info Cards */
.docs-info-card {
    padding: var(--doc-space-lg);
    border-radius: var(--doc-radius-md);
    margin: var(--doc-space-lg) 0;
}

.docs-info-card.info {
    background: rgba(45, 149, 150, 0.08);
    border-left: 4px solid var(--doc-accent-secondary);
}

.docs-info-card.warning {
    background: rgba(232, 108, 77, 0.08);
    border-left: 4px solid var(--doc-accent-primary);
}

.docs-info-card.success {
    background: rgba(72, 187, 120, 0.08);
    border-left: 4px solid #48bb78;
}

.docs-info-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: 0 0 var(--doc-space-sm);
}

.docs-info-card p {
    margin: 0;
    font-size: 0.95rem;
}

/* Code Blocks */
.docs-code-wrapper {
    position: relative;
    margin: var(--doc-space-lg) 0;
    border-radius: var(--doc-radius-md);
    overflow: hidden;
    box-shadow: var(--doc-shadow-md);
}

.docs-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--doc-space-sm) var(--doc-space-md);
    background: #2d3748;
    border-bottom: 1px solid #4a5568;
}

.docs-code-lang {
    font-family: var(--doc-font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: #a0aec0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.docs-code-copy {
    display: flex;
    align-items: center;
    gap: var(--doc-space-xs);
    padding: 4px 10px;
    font-family: var(--doc-font-body);
    font-size: 0.75rem;
    color: #a0aec0;
    background: transparent;
    border: 1px solid #4a5568;
    border-radius: var(--doc-radius-sm);
    cursor: pointer;
    transition: var(--doc-transition-fast);
}

.docs-code-copy:hover {
    color: white;
    background: #4a5568;
}

.docs-code-copy.copied {
    color: #48bb78;
    border-color: #48bb78;
}

.docs-code-block {
    margin: 0;
    padding: var(--doc-space-lg);
    background: var(--doc-bg-code-block);
    overflow-x: auto;
}

.docs-code-block code {
    font-family: var(--doc-font-mono);
    font-size: 0.9rem;
    line-height: 1.7;
    color: #e2e8f0;
}

/* Inline Code */
.docs-section code:not([class*="language-"]) {
    font-family: var(--doc-font-mono);
    font-size: 0.9em;
    padding: 2px 6px;
    background: var(--doc-bg-code);
    color: var(--doc-accent-primary);
    border-radius: 4px;
}

/* Tables */
.docs-table-wrapper {
    overflow-x: auto;
    margin: var(--doc-space-lg) 0;
    border-radius: var(--doc-radius-md);
    border: 1px solid var(--doc-border-light);
}

.docs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.docs-table th {
    padding: var(--doc-space-md) var(--doc-space-lg);
    text-align: left;
    font-weight: 600;
    color: var(--doc-text-primary);
    background: var(--doc-bg-tertiary);
    border-bottom: 2px solid var(--doc-border-light);
}

.docs-table td {
    padding: var(--doc-space-md) var(--doc-space-lg);
    border-bottom: 1px solid var(--doc-border-light);
    color: var(--doc-text-secondary);
}

.docs-table tr:last-child td {
    border-bottom: none;
}

.docs-table tr:hover td {
    background: var(--doc-bg-primary);
}

/* ============================================
   Prism.js Code Highlighting Override
   ============================================ */
pre[class*="language-"] {
    margin: 0;
    padding: var(--doc-space-lg);
    background: var(--doc-bg-code-block);
    overflow: auto;
}

code[class*="language-"] {
    font-family: var(--doc-font-mono);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Custom Token Colors */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: #718096;
}

.token.punctuation {
    color: #a0aec0;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol {
    color: #f6ad55;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin {
    color: #68d391;
}

.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
    color: #fc8181;
}

.token.atrule,
.token.attr-value,
.token.keyword {
    color: #90cdf4;
}

.token.function,
.token.class-name {
    color: #fbb6ce;
}

.token.regex,
.token.important,
.token.variable {
    color: #fbd38d;
}

/* Line Numbers */
.line-numbers .line-numbers-rows {
    border-right: 1px solid #4a5568;
}

.line-numbers-rows > span:before {
    color: #4a5568;
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 1024px) {
    .docs-article-layout {
        grid-template-columns: 1fr;
    }

    .docs-sidebar {
        position: fixed;
        top: 0;
        left: -300px;
        width: 280px;
        height: 100vh;
        max-height: 100vh;
        background: var(--doc-bg-secondary);
        z-index: 1000;
        padding: var(--doc-space-xl);
        box-shadow: var(--doc-shadow-lg);
        transition: left var(--doc-transition-base);
    }

    .docs-sidebar.open {
        left: 0;
    }

    .docs-sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: var(--doc-transition-base);
    }

    .docs-sidebar-overlay.open {
        opacity: 1;
        visibility: visible;
    }

    .docs-toc-toggle {
        display: flex;
        position: fixed;
        bottom: var(--doc-space-xl);
        right: var(--doc-space-xl);
        width: 48px;
        height: 48px;
        align-items: center;
        justify-content: center;
        background: var(--doc-accent-primary);
        color: white;
        border: none;
        border-radius: 50%;
        box-shadow: var(--doc-shadow-lg);
        cursor: pointer;
        z-index: 998;
    }
}

@media (min-width: 1025px) {
    .docs-toc-toggle,
    .docs-sidebar-overlay {
        display: none;
    }
}

@media (max-width: 768px) {
    .docs-list-container {
        padding: var(--doc-space-lg) var(--doc-space-md);
    }

    .docs-hero {
        padding: var(--doc-space-xl) 0;
    }

    .docs-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--doc-space-md);
    }

    .docs-search-wrapper {
        max-width: none;
    }

    .docs-filter-wrapper {
        justify-content: space-between;
    }

    .docs-grid {
        grid-template-columns: 1fr;
        gap: var(--doc-space-lg);
    }

    .doc-card {
        padding: var(--doc-space-lg);
    }

    .docs-article-main {
        padding: 0 var(--doc-space-md);
    }

    .docs-article-title {
        font-size: 1.75rem;
    }

    .docs-section-title {
        font-size: 1.5rem;
    }

    .docs-code-block {
        padding: var(--doc-space-md);
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .docs-hero-title {
        font-size: 1.75rem;
    }

    .docs-hero-subtitle {
        font-size: 1rem;
    }

    .doc-card-title {
        font-size: 1.15rem;
    }

    .docs-article-actions {
        flex-direction: column;
    }

    .docs-article-btn {
        justify-content: center;
    }
}

/* ============================================
   Dark Mode Support (Future Enhancement)
   ============================================ */
@media (prefers-color-scheme: dark) {
    /* Optional: Add dark mode variables here */
}

/* ============================================
   Legacy Class Aliases (Backwards Compatibility)
   Maps old class names to new styles for existing
   custom doc scripts in scripts/docs/*.sh
   ============================================ */

/* Section Aliases */
.doc-section {
    margin-bottom: var(--doc-space-2xl);
    scroll-margin-top: var(--doc-space-xl);
}

.doc-section > h2 {
    font-family: var(--doc-font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: 0 0 var(--doc-space-lg);
    padding-bottom: var(--doc-space-sm);
    border-bottom: 2px solid var(--doc-border-light);
    letter-spacing: -0.01em;
}

.doc-section h3 {
    font-family: var(--doc-font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: var(--doc-space-xl) 0 var(--doc-space-md);
}

.doc-section p {
    font-size: 1.05rem;
    color: var(--doc-text-secondary);
    line-height: 1.8;
    margin: 0 0 var(--doc-space-lg);
}

.doc-section ul,
.doc-section ol {
    margin: 0 0 var(--doc-space-lg);
    padding-left: var(--doc-space-xl);
}

.doc-section li {
    font-size: 1.05rem;
    color: var(--doc-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--doc-space-sm);
}

/* Info Card Aliases */
.info-card,
.warning-card,
.success-card {
    padding: var(--doc-space-lg);
    border-radius: var(--doc-radius-md);
    margin: var(--doc-space-lg) 0;
}

.info-card {
    background: rgba(45, 149, 150, 0.08);
    border-left: 4px solid var(--doc-accent-secondary);
}

.warning-card {
    background: rgba(232, 108, 77, 0.08);
    border-left: 4px solid var(--doc-accent-primary);
}

.success-card {
    background: rgba(72, 187, 120, 0.08);
    border-left: 4px solid #48bb78;
}

.info-card h4,
.warning-card h4,
.success-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--doc-text-primary);
    margin: 0 0 var(--doc-space-sm);
}

.info-card p,
.warning-card p,
.success-card p {
    margin: 0;
    font-size: 0.95rem;
}

/* Code Block Alias */
.code-block {
    position: relative;
    margin: var(--doc-space-lg) 0;
    border-radius: var(--doc-radius-md);
    overflow: hidden;
    box-shadow: var(--doc-shadow-md);
    background: var(--doc-bg-code-block);
}

.code-block pre {
    margin: 0;
    padding: var(--doc-space-lg);
    background: var(--doc-bg-code-block);
    overflow-x: auto;
}

.code-block code {
    font-family: var(--doc-font-mono);
    font-size: 0.9rem;
    line-height: 1.7;
    color: #e2e8f0;
}

/* Tech Spec Table Alias */
.tech-spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    margin: var(--doc-space-lg) 0;
    border: 1px solid var(--doc-border-light);
    border-radius: var(--doc-radius-md);
    overflow: hidden;
}

.tech-spec-table th {
    padding: var(--doc-space-md) var(--doc-space-lg);
    text-align: left;
    font-weight: 600;
    color: var(--doc-text-primary);
    background: var(--doc-bg-tertiary);
    border-bottom: 2px solid var(--doc-border-light);
}

.tech-spec-table td {
    padding: var(--doc-space-md) var(--doc-space-lg);
    border-bottom: 1px solid var(--doc-border-light);
    color: var(--doc-text-secondary);
}

.tech-spec-table tr:last-child td {
    border-bottom: none;
}

.tech-spec-table tr:hover td {
    background: var(--doc-bg-primary);
}

/* Inline Code in legacy sections */
.doc-section code:not([class*="language-"]) {
    font-family: var(--doc-font-mono);
    font-size: 0.9em;
    padding: 2px 6px;
    background: var(--doc-bg-code);
    color: var(--doc-accent-primary);
    border-radius: 4px;
}

/* ============================================
   Unified Header Styles (shared with blog)
   ============================================ */
.blog-topbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 12px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
}

.blog-topbar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
}

.blog-logo {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    white-space: nowrap;
}

.blog-logo:hover {
    color: rgba(255,255,255,0.9);
}

.blog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    flex: 1;
    min-width: 0;
}

.blog-breadcrumb a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    white-space: nowrap;
}

.blog-breadcrumb a:hover {
    color: white;
    text-decoration: underline;
}

.blog-breadcrumb-separator {
    color: rgba(255,255,255,0.5);
}

.blog-breadcrumb-current {
    color: white;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 300px;
}

.blog-language-switcher {
    display: flex;
    gap: 5px;
}

.blog-lang-btn {
    padding: 6px 12px;
    border: 1px solid rgba(255,255,255,0.3);
    background: transparent;
    color: rgba(255,255,255,0.8);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.blog-lang-btn:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.blog-lang-btn.active {
    background: white;
    color: #667eea;
    border-color: white;
}

/* Responsive header */
@media (max-width: 768px) {
    .blog-topbar-container {
        flex-wrap: wrap;
    }

    .blog-breadcrumb {
        order: 3;
        width: 100%;
        margin-top: 10px;
    }

    .blog-breadcrumb-current {
        max-width: 200px;
    }
}