/**
 * Grimoire - HackWiki Theme
 * =========================
 * Cybersecurity documentation theme with cyan accent
 * https://github.com/TristanInSec/Grimoire
 * 
 * Author: @TristanInSec / HackWiki
 */

:root {
    /* ----- ACCENT COLOR - Cyan ----- */
    --accent-primary: #00d4ff;          /* Main accent (buttons, links) */
    --accent-secondary: #00c4e6;        /* Hover states */
    --accent-dim: #0099cc;              /* Darker shade */
    --accent-highlight: #66e5ff;        /* Lighter shade */
    --accent-orange: #ff6b35;           /* Secondary accent */
    
    /* ----- CONTENT STYLING ----- */
    --content-h1-size: 2.25rem;         /* # Heading 1 */
    --content-h2-size: 1.5rem;          /* ## Heading 2 */
    --content-h3-size: 1.25rem;         /* ### Heading 3 */
    --content-h4-size: 1.1rem;          /* #### Heading 4 */
    --content-text-size: 1rem;          /* Paragraph text */
    --content-line-height: 1.7;         /* Line spacing */
    --content-code-size: 0.875em;       /* Inline code */
    
    /* ----- NAVIGATION SIZING ----- */
    --nav-category-size: 0.9rem;        /* Top-level folders */
    --nav-subcategory-size: 0.85rem;    /* Sub-folders */
    --nav-item-size: 0.8rem;            /* File links */
    
    /* ----- LAYOUT ----- */
    --sidebar-width: 320px;
    --header-height: 70px;
    
    /* =========================================================================
       DARK THEME COLORS (HackWiki default)
       ========================================================================= */
    --primary-bg: #0a0a0a;              /* Main background */
    --secondary-bg: #151515;            /* Sidebar, cards */
    --tertiary-bg: #1a1a1a;             /* Hover states, inputs */
    --code-block-bg: #0d1117;           /* Code blocks (GitHub dark) */
    
    --text-primary: #ffffff;            /* Headings, bold */
    --text-secondary: #a0a0a0;          /* Body text */
    --text-tertiary: #666666;           /* Muted text */
    
    --border-color: #333333;
    --border-light: #444444;
    
    /* Effects - Cyan glow */
    --glow-primary: 0 0 15px rgba(0, 212, 255, 0.15);
    --glow-strong: 0 0 25px rgba(0, 212, 255, 0.25);
    --progress-height: 3px;
    
    /* Status colors */
    --success-color: #00d4ff;
    --warning-color: #ff9500;
    --error-color: #ff4757;
    
    /* Toast notifications */
    --toast-bg: rgba(0, 212, 255, 0.95);
}

/* ==========================================================================
   LIGHT THEME COLORS
   ========================================================================== */
[data-theme="light"] {
    --primary-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --tertiary-bg: #e9ecef;
    --code-block-bg: #f6f8fa;
    
    --accent-primary: #0066cc;
    --accent-secondary: #0080cc;
    --accent-dim: #004499;
    --accent-highlight: #3399ff;
    
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #888888;
    
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    
    --glow-primary: 0 0 15px rgba(0, 102, 204, 0.15);
    --glow-strong: 0 0 25px rgba(0, 102, 204, 0.2);
    
    --toast-bg: rgba(0, 68, 153, 0.95);
    --success-color: #004499;
}

/* Larger screens */
@media (min-width: 1400px) {
    :root {
        --sidebar-width: 360px;
    }
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Subtle background pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(129, 140, 248, 0.03) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

[data-theme="light"] body::before {
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(129, 140, 248, 0.02) 0%, transparent 50%);
}

/* ==========================================================================
   Reading Progress Bar
   ========================================================================== */

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: var(--progress-height);
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    z-index: 10001;
    transition: width 0.1s ease-out;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    position: fixed;
    top: var(--progress-height);
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.logo-container {
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo:hover {
    color: var(--accent-secondary);
}

.tagline-header {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    display: none;
}

@media (min-width: 768px) {
    .tagline-header {
        display: inline;
    }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contribute-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.contribute-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
}

.contribute-text {
    display: none;
}

@media (min-width: 640px) {
    .contribute-text {
        display: inline;
    }
}

.export-btn,
.theme-toggle {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.export-btn:hover,
.theme-toggle:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* ==========================================================================
   Layout
   ========================================================================== */

.layout {
    display: flex;
    padding-top: calc(var(--header-height) + var(--progress-height));
    min-height: 100vh;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
    position: fixed;
    left: 0;
    top: calc(var(--header-height) + var(--progress-height));
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height) - var(--progress-height));
    background: var(--secondary-bg);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

/* Search Section */
.search-section {
    padding: 1rem;
    position: relative;
}

.search-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 85%;
    height: 1px;
    background: var(--border-color);
}

.search-container {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s ease;
}

.search-input:focus {
    border-color: var(--accent-primary);
    box-shadow: var(--glow-primary);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Quick Access & Bookmarks */
.quick-access {
    padding: 0.75rem 1rem;
    position: relative;
}

/* Centered separator line after Recent section */
.quick-access::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 85%;
    height: 1px;
    background: var(--border-color);
}

.favorites-section {
    padding: 0.75rem 1rem;
    position: relative;
}

/* Centered separator line after Bookmarks section */
.favorites-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 85%;
    height: 1px;
    background: var(--border-color);
}

.quick-access-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.title-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.title-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.collapse-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.collapse-btn.collapsed i {
    transform: rotate(-90deg);
}

.clear-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 0.7rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.quick-access:hover .clear-btn,
.favorites-section:hover .clear-btn {
    opacity: 1;
}

.clear-btn:hover {
    color: var(--error-color);
}

.collapsible-content {
    max-height: 200px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.collapsible-content.collapsed {
    max-height: 0;
}

/* Navigation Section */
.nav-section {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.nav-category {
    margin-bottom: 0.25rem;
}

.category-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--nav-category-size);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-header:hover {
    background: var(--tertiary-bg);
}

.category-header span {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.category-icon {
    color: var(--accent-primary);
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
}

.category-chevron {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    transition: transform 0.2s ease;
}

.category-header.active .category-chevron {
    transform: rotate(90deg);
}

.category-items {
    display: none;
    padding-left: 1rem;
}

.category-items.show,
.category-items.expanded {
    display: block;
}

/* Subcategory */
.nav-subcategory {
    margin: 0.35rem 0;
}

.subcategory-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--nav-subcategory-size);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.subcategory-header:hover {
    color: var(--text-primary);
    background: var(--tertiary-bg);
}

.subcategory-header span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.subcategory-chevron {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    transition: transform 0.2s ease;
}

.subcategory-header.active .subcategory-chevron {
    transform: rotate(90deg);
}

.subcategory-items {
    display: none;
    padding-left: 1rem;
}

.subcategory-items.show,
.subcategory-items.expanded {
    display: block;
}

/* Nav Items */
.nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.35rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--nav-item-size);
    border-radius: 6px;
    margin: 1px 0.5rem;
    transition: all 0.2s ease;
}

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

.nav-item.active {
    background: var(--accent-primary);
    color: white;
}

.nav-item.active:hover {
    background: var(--accent-dim);
    color: white;
}

.nav-item.active .bookmark-btn {
    color: rgba(255, 255, 255, 0.7);
}

.nav-item.active .bookmark-btn:hover {
    color: white;
}

.nav-item-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bookmark-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    opacity: 0;
    padding: 0.25rem;
    transition: all 0.2s ease;
}

.nav-item:hover .bookmark-btn {
    opacity: 1;
}

.bookmark-btn:hover {
    color: var(--accent-primary);
}

.bookmark-btn.bookmarked {
    opacity: 1;
    color: var(--accent-primary);
}

.bookmark-btn.bookmarked i {
    font-weight: 900;
}

/* Level 3 Navigation */
.nav-level3 {
    padding-left: 0.5rem;
    margin: 0.25rem 0;
}

.level3-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.nav-item-level3 {
    padding-left: 1.5rem;
    font-size: 0.8rem;
}

.nav-item-nested {
    padding-left: 0.5rem;
}

/* Deep level navigation (level 3+) */
.nav-level-deep {
    padding-left: 0.5rem;
    margin: 0.3rem 0;
}

.deep-header {
    display: flex;
    align-items: center;
    width: 100%;
    background: none;
    border: none;
    padding: 0.4rem 0.75rem;
    font-size: var(--nav-subcategory-size);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.deep-header:hover {
    background: var(--tertiary-bg);
    color: var(--text-primary);
}

.deep-header span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.deep-chevron {
    transition: transform 0.2s ease;
    font-size: 0.7rem;
}

.deep-header.active .deep-chevron {
    transform: rotate(90deg);
}

.deep-items {
    display: none;
    padding-left: 0.5rem;
}

.deep-items.expanded {
    display: block;
}

/* Nav item depth styling - progressive indentation */
.nav-item-depth-1 {
    padding-left: 0.5rem;
}

.nav-item-depth-2 {
    padding-left: 1rem;
}

.nav-item-depth-3 {
    padding-left: 1.25rem;
}

.nav-item-depth-4 {
    padding-left: 1.5rem;
}

.nav-item-depth-5 {
    padding-left: 1.75rem;
}

/* Pinned root items — styled to match L1 category headers */
.nav-item-pinned {
    font-size: var(--nav-category-size);
    font-weight: 600;
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    margin: 0;
    border-radius: 0;
}

.nav-item-pinned .nav-item-text {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-item-pinned .nav-item-text::before {
    content: "\f071";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.9rem;
    color: var(--accent-primary);
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.nav-item-pinned.active .nav-item-text::before {
    color: white;
}

/* Ensure active state works for all nav-item variants */
.nav-item.active,
.nav-item-level3.active,
.nav-item-nested.active,
[class*="nav-item-depth-"].active {
    background: var(--accent-primary) !important;
    color: white !important;
}

/* ==========================================================================
   Main Content Area
   ========================================================================== */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    max-width: 100%;
    min-height: calc(100vh - var(--header-height) - var(--progress-height));
}

/* Breadcrumb */
.breadcrumb-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 2rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-home {
    color: var(--accent-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb-home:hover {
    color: var(--accent-secondary);
}

.breadcrumb-separator {
    color: var(--text-tertiary);
}

.breadcrumb-category,
.breadcrumb-subcategory,
.breadcrumb-level3,
.breadcrumb-page {
    color: var(--text-secondary);
}

.breadcrumb-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.reading-time {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* ==========================================================================
   Article Content
   ========================================================================== */

.article-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: var(--content-text-size);
    line-height: var(--content-line-height);
}

.article-content h1 {
    font-size: var(--content-h1-size);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.article-content h2 {
    font-size: var(--content-h2-size);
    font-weight: 600;
    color: var(--text-primary);
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.article-content h3 {
    font-size: var(--content-h3-size);
    font-weight: 600;
    color: var(--text-primary);
    margin: 2rem 0 0.75rem;
}

.article-content h4 {
    font-size: var(--content-h4-size);
    font-weight: 600;
    color: var(--text-secondary);
    margin: 1.5rem 0 0.5rem;
}

.article-content p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.article-content a {
    color: var(--accent-primary);
    text-decoration: none;
}

.article-content a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.article-content ul,
.article-content ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.article-content li {
    margin: 0.5rem 0;
}

.article-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-content em {
    font-style: italic;
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 2rem 0;
}

/* Code */
.article-content code {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--content-code-size);
    background: var(--tertiary-bg);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    color: var(--accent-secondary);
}

.article-content pre {
    background: var(--code-block-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
    font-size: var(--content-code-size);
    line-height: 1.6;
}

/* Code Block Wrapper & Copy Button */
.code-wrapper {
    position: relative;
    margin: 1.5rem 0;
}

.code-wrapper pre {
    margin: 0;
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s ease;
    z-index: 10;
}

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

.copy-btn.copied {
    background: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

/* Tables */
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

.article-content th,
.article-content td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--border-color);
}

.article-content th {
    background: var(--tertiary-bg);
    font-weight: 600;
    color: var(--text-primary);
}

.article-content td {
    color: var(--text-secondary);
}

.article-content tr:hover td {
    background: var(--secondary-bg);
}

/* Blockquotes */
.article-content blockquote {
    border-left: 4px solid var(--accent-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--secondary-bg);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
}

/* ==========================================================================
   Welcome Section (Homepage)
   ========================================================================== */

.welcome-section {
    text-align: center;
    padding: 2rem 0;
}

.welcome-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.title-icon {
    font-size: 2rem;
}

.welcome-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.welcome-disclaimer {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    opacity: 0.8;
}

.welcome-disclaimer i {
    color: var(--accent-primary);
    margin-right: 0.3rem;
}

.welcome-disclaimer a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.welcome-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.15rem;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.welcome-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.welcome-card a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

.welcome-card:hover {
    border-color: var(--accent-primary);
    background: var(--tertiary-bg);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.welcome-card i {
    font-size: 1.25rem;
    color: var(--accent-primary);
    width: 1.5rem;
    text-align: center;
}

.welcome-search-prompt {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.welcome-search-prompt i {
    color: var(--accent-secondary);
    margin-right: 0.5rem;
}

/* ==========================================================================
   Table of Contents (Scroll Spy)
   ========================================================================== */

.toc-container {
    position: fixed;
    right: 2rem;
    top: calc(var(--header-height) + var(--progress-height) + 2rem);
    width: 220px;
    display: none;
    z-index: 50;
}

@media (min-width: 1400px) {
    .toc-container {
        display: block;
    }
    
    /* Add right margin to main content when TOC is visible */
    body.has-toc .main-content {
        margin-right: 260px;
    }
}

.toc {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    max-height: calc(100vh - var(--header-height) - var(--progress-height) - 4rem);
    overflow-y: auto;
}

.toc-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

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

.toc-list li {
    margin: 0.25rem 0;
    list-style: none;
}

.toc-item {
    list-style: none;
}

.toc-list a,
.toc-link {
    display: block;
    padding: 0.35rem 0.5rem;
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.8rem;
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
}

.toc-list a:hover,
.toc-link:hover {
    color: var(--text-primary);
}

.toc-list a.active,
.toc-link.active {
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
    background: var(--tertiary-bg);
}

/* TOC Sublists (h3 items) */
.toc-sublist {
    list-style: none;
    padding: 0;
    margin: 0;
    padding-left: 0.75rem;
    display: none;
}

.toc-sublist.expanded {
    display: block;
}

.toc-sublist li {
    list-style: none;
    margin: 0.15rem 0;
}

.toc-sublist .toc-link {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    color: var(--text-tertiary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    margin-left: var(--sidebar-width);
    padding: 3rem 2rem 1.5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-brand {
    margin-bottom: 1.5rem;
}

.footer-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    gap: 5rem;
}

.footer-column {
    min-width: 150px;
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin: 0.5rem 0;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: var(--accent-primary);
}

.footer-column a i {
    margin-right: 0.5rem;
    width: 1rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin: 0.25rem 0;
}

.powered-by {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    margin-top: 0.5rem;
}

.powered-by a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.powered-by a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.heart-icon {
    color: var(--accent-primary);
    font-style: normal;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

.toast-container {
    position: fixed;
    top: calc(var(--header-height) + var(--progress-height) + 1rem);
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--toast-bg);
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==========================================================================
   Scroll to Top
   ========================================================================== */

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--accent-secondary);
    transform: translateY(-3px);
}

/* ==========================================================================
   Mobile FAB
   ========================================================================== */

.mobile-fab {
    display: none;
    position: fixed;
    bottom: 5rem;
    right: 1.5rem;
    width: 50px;
    height: 50px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    z-index: 998;
}

/* ==========================================================================
   Mobile Styles
   ========================================================================== */

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

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

    .sidebar-overlay.show {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .footer {
        margin-left: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-fab {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .breadcrumb-nav {
        padding: 0.75rem 1rem;
    }

    .breadcrumb-meta {
        display: none;
    }

    .article-content h1 {
        font-size: 1.75rem;
    }

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

    .welcome-title {
        font-size: 1.75rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .welcome-cards {
        grid-template-columns: 1fr;
    }

    .footer {
        padding: 2rem 1rem 1rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1.5rem;
    }
}

/* ==========================================================================
   Search Results
   ========================================================================== */

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 0.5rem;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.search-result-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--tertiary-bg);
}

.search-result-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.search-result-category {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.search-highlight {
    background: rgba(99, 102, 241, 0.3);
    padding: 0 2px;
    border-radius: 2px;
}

/* ==========================================================================
   Recent & Bookmark Items
   ========================================================================== */

.recent-item,
.bookmark-item {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: 6px;
    margin: 2px 0;
    transition: all 0.2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.recent-item:hover,
.bookmark-item:hover {
    background: var(--tertiary-bg);
    color: var(--text-primary);
}

/* Quick Access Items (Recent & Bookmarks) */
.quick-access-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin: 2px 0;
}

.quick-access-item:hover {
    background: var(--tertiary-bg);
}

.quick-access-item .item-content {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    cursor: pointer;
}

.quick-access-item .item-title {
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.quick-access-item .item-category {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.quick-access-item .remove-item {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    opacity: 0;
    transition: all 0.2s ease;
    font-size: 0.75rem;
}

.quick-access-item:hover .remove-item {
    opacity: 1;
}

.quick-access-item .remove-item:hover {
    color: var(--error-color);
}

.empty-state {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-style: italic;
    padding: 0.5rem;
}

/* ==========================================================================
   Prism.js Syntax Highlighting - GitHub Dark Style
   ========================================================================== */

/* Comments - muted gray */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: #6a737d;
    font-style: italic;
}

/* Strings - soft cyan */
.token.string,
.token.char,
.token.attr-value {
    color: #a5d6ff;
}

/* Keywords - coral red */
.token.keyword,
.token.atrule {
    color: #ff7b72;
}

/* Functions - purple */
.token.function {
    color: #d2a8ff;
}

/* Classes/Types - orange */
.token.class-name,
.token.builtin {
    color: #ffa657;
}

/* Variables/Properties - light blue */
.token.property,
.token.tag,
.token.constant,
.token.symbol,
.token.attr-name,
.token.selector {
    color: #79c0ff;
}

/* Numbers, punctuation, operators - unified to prevent IP address splitting */
.token.punctuation,
.token.operator,
.token.number,
.token.boolean {
    color: #e6edf3;
}

/* Other */
.token.entity,
.token.url,
.token.variable,
.token.regex,
.token.inserted,
.token.deleted {
    color: #e6edf3;
}

.token.important,
.token.bold {
    font-weight: bold;
}

.token.italic {
    font-style: italic;
}

/* ==========================================================================
   Light Theme Syntax Highlighting
   ========================================================================== */

[data-theme="light"] .token.comment,
[data-theme="light"] .token.prolog,
[data-theme="light"] .token.doctype,
[data-theme="light"] .token.cdata {
    color: #6a737d;
    font-style: italic;
}

[data-theme="light"] .token.string,
[data-theme="light"] .token.char,
[data-theme="light"] .token.attr-value {
    color: #0a3069;
}

[data-theme="light"] .token.keyword,
[data-theme="light"] .token.atrule {
    color: #cf222e;
}

[data-theme="light"] .token.function {
    color: #8250df;
}

[data-theme="light"] .token.class-name,
[data-theme="light"] .token.builtin {
    color: #953800;
}

[data-theme="light"] .token.property,
[data-theme="light"] .token.tag,
[data-theme="light"] .token.constant,
[data-theme="light"] .token.symbol,
[data-theme="light"] .token.attr-name,
[data-theme="light"] .token.selector {
    color: #0550ae;
}

[data-theme="light"] .token.punctuation,
[data-theme="light"] .token.operator,
[data-theme="light"] .token.number,
[data-theme="light"] .token.boolean {
    color: #24292f;
}

[data-theme="light"] .token.entity,
[data-theme="light"] .token.url,
[data-theme="light"] .token.variable,
[data-theme="light"] .token.regex {
    color: #24292f;
}