/* ============================================
   HARRY WHALLEY - MINIMAL GREY AESTHETIC
   System theme, clean design, fast loading
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */

:root {
    /* Light Mode */
    --bg-light: #ffffff;
    --panel-bg-light: #f8f9fa;
    --text-light: #1a1a1a;
    --text-secondary-light: #666666;
    --border-light: #e0e0e0;
    --accent-light: #0066cc;
    --graph-accent-light: #4a90e2;
    --hover-bg-light: #f0f0f0;

    /* Dark Mode */
    --bg-dark: #0d0d0d;
    --panel-bg-dark: #1a1a1a;
    --text-dark: #e8e8e8;
    --text-secondary-dark: #999999;
    --border-dark: #2a2a2a;
    --accent-dark: #4a9eff;
    --graph-accent-dark: #6ba3ff;
    --hover-bg-dark: #252525;

    /* Area Colors - Light Mode (muted) */
    --composer-light: #5b7ec4;
    --blog-light: #4a9463;
    --academic-light: #8b6fb8;
    --phd-light: #c7834a;
    --cv-light: #7a8087;
    --general-light: #5a8abd;

    /* Area Colors - Dark Mode (muted) */
    --composer-dark: #6b8ec9;
    --blog-dark: #5fa574;
    --academic-dark: #9d82c4;
    --phd-dark: #d4965e;
    --cv-dark: #8a9099;
    --general-dark: #6a9acc;

    /* Typography — academic: serif body, monospace UI */
    --font-family: 'Source Serif Pro', 'Georgia', 'Times New Roman', serif;
    --font-heading: 'IBM Plex Mono', 'SF Mono', 'Monaco', 'Consolas', monospace;
    --font-mono: 'IBM Plex Mono', 'SF Mono', 'Monaco', 'Consolas', monospace;
    --font-ui: 'IBM Plex Mono', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --panel-left-width: 280px;
    --panel-right-width: 320px;

    /* Transitions */
    --transition: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html, body {
    height: 100%;
    overflow: hidden;
    font-family: var(--font-family);
}

body {
    font-size: 16px;
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
}

/* ============================================
   THEME COLORS
   ============================================ */

/* Light Theme */
.theme-light {
    --bg: var(--bg-light);
    --panel-bg: var(--panel-bg-light);
    --text: var(--text-light);
    --text-secondary: var(--text-secondary-light);
    --border: var(--border-light);
    --accent: var(--accent-light);
    --graph-accent: var(--graph-accent-light);
    --hover-bg: var(--hover-bg-light);

    /* Area colors */
    --composer: var(--composer-light);
    --blog: var(--blog-light);
    --academic: var(--academic-light);
    --phd: var(--phd-light);
    --cv: var(--cv-light);
    --general: var(--general-light);
}

/* Dark Theme */
.theme-dark {
    --bg: var(--bg-dark);
    --panel-bg: var(--panel-bg-dark);
    --text: var(--text-dark);
    --text-secondary: var(--text-secondary-dark);
    --border: var(--border-dark);
    --accent: var(--accent-dark);
    --graph-accent: var(--graph-accent-dark);
    --hover-bg: var(--hover-bg-dark);

    /* Area colors */
    --composer: var(--composer-dark);
    --blog: var(--blog-dark);
    --academic: var(--academic-dark);
    --phd: var(--phd-dark);
    --cv: var(--cv-dark);
    --general: var(--general-dark);
}

body {
    background-color: var(--bg);
    color: var(--text);
}

/* ============================================
   BACKGROUND IMAGE (Desktop only)
   ============================================ */

@media (min-width: 1024px) {
    body {
        background-image: url('assets/images/Background+EMofGEB.jpg');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        background-repeat: no-repeat;
        padding: 2rem;
    }
}

/* ============================================
   APP CONTAINER
   ============================================ */

.app-container {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    background-color: var(--bg);
}

/* No box — full bleed, modern */

/* ============================================
   PANELS
   ============================================ */

.panel {
    height: 100%;
    overflow-y: auto;
    background-color: var(--bg);
    transition: all var(--transition);
}

/* Left Panel */
.panel-left {
    width: var(--panel-left-width);
    flex-shrink: 0;
    border-right: none;
}

/* Center Panel */
.panel-center {
    flex-grow: 1;
    background-color: var(--bg);
    padding: 0;
    overflow-y: auto;
}

.page-title-bar {
    position: sticky;
    top: 0;
    background-color: var(--bg);
    padding: 2rem 4rem 0;
    z-index: 10;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    transition: color var(--transition-smooth);
}

.page-folder {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--folder-color, var(--text-secondary));
    margin-bottom: 0.35rem;
    opacity: 0.8;
    transition: color 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-content {
    padding: 1rem 4rem 4rem;
    animation: fadeIn 0.4s ease-out;
}

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

/* Folder color transition animation */
@keyframes folderColorTransition {
    0% {
        border-bottom-width: 3px;
    }
    50% {
        border-bottom-width: 5px;
    }
    100% {
        border-bottom-width: 3px;
    }
}

.page-title-bar.folder-transition {
    animation: folderColorTransition 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Right Panel */
.panel-right {
    width: var(--panel-right-width);
    flex-shrink: 0;
    border-left: none;
    position: relative;
}

.panel-right.collapsed {
    width: 0;
    border: none;
    overflow: hidden;
}

/* Right Panel Reopen Tab */
.panel-reopen-tab {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--panel-bg);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: 4px 0 0 4px;
    padding: 0.75rem 0.5rem;
    cursor: pointer;
    writing-mode: vertical-rl;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    transition: all var(--transition);
    z-index: 100;
    display: none;
}

.panel-right.collapsed ~ .panel-reopen-tab {
    display: block;
}

.panel-reopen-tab:hover {
    background-color: var(--hover-bg);
    color: var(--accent);
}

/* ============================================
   PANEL HEADERS
   ============================================ */

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem 1rem;
    position: sticky;
    top: 0;
    background-color: var(--bg);
    z-index: 10;
}

.panel-title {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.logo-link {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-smooth);
}

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

.panel-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    font-size: 1rem;
    transition: color var(--transition);
}

.panel-toggle:hover {
    color: var(--accent);
}

/* ============================================
   VAULT STATUS
   ============================================ */

.vault-loader {
    padding: 1.5rem;
}

.vault-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================
   FILE TREE
   ============================================ */

.file-tree {
    padding: 0 0.75rem 1.5rem;
}

.file-tree ul {
    list-style: none;
    padding-left: 0;
}

.file-tree li {
    margin: 0;
}

.file-tree ul ul {
    padding-left: 1rem;
}

.folder-name,
.file-tree a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--text);
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
}

.folder-name {
    font-weight: 500;
    position: relative;
    transition: all var(--transition);
}

.folder-name:hover {
    background-color: var(--hover-bg);
    transform: translateX(3px);
    padding-left: 0.85rem;
}

.file-tree a:hover {
    transform: translateX(3px);
    padding-left: 0.85rem;
}

/* Color-tinted hover backgrounds for files based on area */
.theme-light .file-tree a[data-area="composer"]:hover {
    background-color: color-mix(in srgb, #5b7ec4 15%, var(--hover-bg));
}

.theme-light .file-tree a[data-area="blog"]:hover {
    background-color: color-mix(in srgb, #4a9463 15%, var(--hover-bg));
}

.theme-light .file-tree a[data-area="academic"]:hover {
    background-color: color-mix(in srgb, #8b6fb8 15%, var(--hover-bg));
}

.theme-light .file-tree a[data-area="phd"]:hover {
    background-color: color-mix(in srgb, #c7834a 15%, var(--hover-bg));
}

.theme-light .file-tree a[data-area="cv"]:hover {
    background-color: color-mix(in srgb, #7a8087 15%, var(--hover-bg));
}

.theme-light .file-tree a[data-area="general"]:hover {
    background-color: color-mix(in srgb, #5a8abd 15%, var(--hover-bg));
}

.theme-dark .file-tree a[data-area="composer"]:hover {
    background-color: color-mix(in srgb, #6b8ec9 15%, var(--hover-bg));
}

.theme-dark .file-tree a[data-area="blog"]:hover {
    background-color: color-mix(in srgb, #5fa574 15%, var(--hover-bg));
}

.theme-dark .file-tree a[data-area="academic"]:hover {
    background-color: color-mix(in srgb, #9d82c4 15%, var(--hover-bg));
}

.theme-dark .file-tree a[data-area="phd"]:hover {
    background-color: color-mix(in srgb, #d4965e 15%, var(--hover-bg));
}

.theme-dark .file-tree a[data-area="cv"]:hover {
    background-color: color-mix(in srgb, #8a9099 15%, var(--hover-bg));
}

.theme-dark .file-tree a[data-area="general"]:hover {
    background-color: color-mix(in srgb, #6a9acc 15%, var(--hover-bg));
}

/* Colored underline on folder hover based on area */
.folder-name[data-area]::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.5rem;
    right: 0.5rem;
    height: 0;
    transition: height var(--transition);
}

.folder-name[data-area]:hover::after {
    height: 2px;
}

.folder-name[data-area="composer"]::after {
    background-color: var(--composer);
}

.folder-name[data-area="blog"]::after {
    background-color: var(--blog);
}

.folder-name[data-area="academic"]::after {
    background-color: var(--academic);
}

.folder-name[data-area="phd"]::after {
    background-color: var(--phd);
}

.folder-name[data-area="cv"]::after {
    background-color: var(--cv);
}

.folder-name[data-area="general"]::after {
    background-color: var(--general);
}

/* Open folder styling with folder color */
.theme-light .folder-name.open[data-area="composer"] {
    color: color-mix(in srgb, #5b7ec4 70%, var(--text));
    font-weight: 600;
}

.theme-light .folder-name.open[data-area="blog"] {
    color: color-mix(in srgb, #4a9463 70%, var(--text));
    font-weight: 600;
}

.theme-light .folder-name.open[data-area="academic"] {
    color: color-mix(in srgb, #8b6fb8 70%, var(--text));
    font-weight: 600;
}

.theme-light .folder-name.open[data-area="phd"] {
    color: color-mix(in srgb, #c7834a 70%, var(--text));
    font-weight: 600;
}

.theme-light .folder-name.open[data-area="cv"] {
    color: color-mix(in srgb, #7a8087 70%, var(--text));
    font-weight: 600;
}

.theme-light .folder-name.open[data-area="general"] {
    color: color-mix(in srgb, #5a8abd 70%, var(--text));
    font-weight: 600;
}

.theme-dark .folder-name.open[data-area="composer"] {
    color: color-mix(in srgb, #6b8ec9 80%, var(--text));
    font-weight: 600;
}

.theme-dark .folder-name.open[data-area="blog"] {
    color: color-mix(in srgb, #5fa574 80%, var(--text));
    font-weight: 600;
}

.theme-dark .folder-name.open[data-area="academic"] {
    color: color-mix(in srgb, #9d82c4 80%, var(--text));
    font-weight: 600;
}

.theme-dark .folder-name.open[data-area="phd"] {
    color: color-mix(in srgb, #d4965e 80%, var(--text));
    font-weight: 600;
}

.theme-dark .folder-name.open[data-area="cv"] {
    color: color-mix(in srgb, #8a9099 80%, var(--text));
    font-weight: 600;
}

.theme-dark .folder-name.open[data-area="general"] {
    color: color-mix(in srgb, #6a9acc 80%, var(--text));
    font-weight: 600;
}

.file-tree a.active {
    background-color: var(--accent);
    color: white;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.file-tree a.active:hover {
    transform: translateX(2px);
}

.folder-icon,
.file-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

/* Folder collapse indicator */
.folder-toggle {
    font-size: 0.75rem;
    margin-right: 0.25rem;
    transition: transform var(--transition);
}

.folder-toggle.collapsed {
    transform: rotate(-90deg);
}

.folder-contents {
    overflow: hidden;
    transition: max-height var(--transition);
}

.folder-contents.collapsed {
    max-height: 0 !important;
}

/* ============================================
   HOMEPAGE
   ============================================ */

.homepage {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
}

/* ============================================
   INDEX PAGE
   ============================================ */

.index-page {
    max-width: 820px;
    margin: 0 auto;
    padding: 4rem 2rem 3rem;
    animation: pageSlideIn 0.5s ease-out;
}

/* Hero */
.index-hero {
    margin-bottom: 3.5rem;
}

.index-name {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: var(--text);
    margin: 0 0 0.75rem 0;
    line-height: 1.1;
}

/* Terminal blinking cursor */
.terminal-cursor {
    display: inline-block;
    width: 0.55em;
    height: 1em;
    background-color: var(--accent);
    margin-left: 4px;
    vertical-align: text-bottom;
    animation: cursorBlink 1s step-end infinite;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.index-tagline {
    font-family: var(--font-family);
    font-size: 1.15rem;
    font-style: italic;
    color: var(--text-secondary);
    margin: 0 0 1.25rem 0;
    line-height: 1.5;
}

.index-affiliations {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    line-height: 1.8;
}

.index-sep {
    margin: 0 0.5rem;
    opacity: 0.3;
}

/* Card Grid */
.index-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: 3.5rem;
}

.index-card {
    padding: 2rem 1.75rem;
    text-decoration: none;
    color: var(--text);
    transition: all 0.25s ease;
    cursor: pointer;
    position: relative;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border);
}

.index-card:nth-child(odd) {
    border-right: 1px solid var(--border);
}

.index-card:hover {
    background: var(--hover-bg);
}

.index-card:hover .index-card-title {
    color: var(--accent);
}

.index-card:hover .index-card-number {
    color: var(--accent);
}

.index-card-number {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    color: var(--text-secondary);
    opacity: 0.4;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    transition: all 0.25s ease;
}

.index-card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.01em;
    transition: color 0.25s ease;
}

.index-card-desc {
    font-family: var(--font-family);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    flex: 1;
}

.index-card-tag {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.6rem;
    padding: 2px 7px;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    margin-right: 4px;
    letter-spacing: 0.02em;
}

/* Card area accents — subtle left border on hover */
.index-card--about:hover { box-shadow: inset 3px 0 0 var(--cv); }
.index-card--research:hover { box-shadow: inset 3px 0 0 var(--phd); }
.index-card--compositions:hover { box-shadow: inset 3px 0 0 var(--composer); }
.index-card--teaching:hover { box-shadow: inset 3px 0 0 var(--blog); }
.index-card--ideas:hover { box-shadow: inset 3px 0 0 var(--academic); }
.index-card--graph:hover { box-shadow: inset 3px 0 0 var(--accent); }

/* Knowledge Graph card spans full width */
.index-card--graph {
    grid-column: 1 / -1;
}

/* Footer */
.index-footer {
    text-align: center;
    padding-top: 1rem;
}

.index-quote {
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-style: italic;
    color: var(--text-secondary);
    opacity: 0.6;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.index-links {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.index-links a {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color var(--transition);
}

.index-links a:hover {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 600px) {
    .index-grid {
        grid-template-columns: 1fr;
    }
    .index-name {
        font-size: 2rem;
    }
    .index-page {
        padding: 2rem 1rem;
    }
}

.homepage-graph {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    animation: graphFadeIn 2s ease-out 2.5s forwards;
}

@keyframes graphFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

#homepage-graph-svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   CONTENT
   ============================================ */

.content-container {
    max-width: 720px;
    margin: 0 auto;
}

.welcome-screen {
    text-align: center;
    padding: 4rem 2rem;
}

.welcome-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
}

.welcome-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ============================================
   MARKDOWN CONTENT
   ============================================ */

.markdown-content {
    line-height: 1.85;
    font-size: 1rem;
    letter-spacing: 0.005em;
}

/* Headings — monospace for digital/academic signal */
.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
    color: var(--text);
    position: relative;
    transition: color var(--transition-smooth);
    letter-spacing: -0.01em;
}

.markdown-content h2:hover,
.markdown-content h3:hover {
    color: var(--accent);
}

.markdown-content h1 {
    font-size: 1.6rem;
    font-weight: 400;
    border-bottom: none;
    padding-bottom: 0;
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.markdown-content h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 3rem;
    margin-bottom: 1rem;
    text-transform: none;
}

.markdown-content h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 2.5rem;
}

.markdown-content h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}

/* Breadcrumb navigation */
.breadcrumb {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
}

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

.breadcrumb .separator {
    margin: 0 0.4rem;
    opacity: 0.5;
}

/* Paragraphs */
.markdown-content p {
    margin-bottom: 1.75rem;
}

/* Links */
.markdown-content a {
    color: var(--accent);
    text-decoration: none;
    transition: all var(--transition-smooth);
    position: relative;
    background-image: linear-gradient(to right, var(--accent) 0%, var(--accent) 100%);
    background-size: 0 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
}

.markdown-content a:hover {
    background-size: 100% 1px;
}

/* Wikilinks */
.markdown-content .wikilink {
    color: var(--accent);
    border-bottom: 1px dashed var(--accent);
    transition: all var(--transition-smooth);
}

.markdown-content .wikilink:hover {
    border-bottom-style: solid;
    transform: translateY(-1px);
}

.markdown-content .wikilink.broken {
    color: #ff6b6b;
    border-bottom-color: #ff6b6b;
}

.markdown-content .wikilink.broken:hover {
    opacity: 0.7;
}

/* Lists */
.markdown-content ul,
.markdown-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.markdown-content li {
    margin-bottom: 0.5rem;
}

/* Publication entries — paragraphs between hrs get card-like treatment */
.markdown-content p + p {
    margin-top: -0.5rem;
}

/* Italic lines (journal names, titles) following bold author lines */
.markdown-content p > em:first-child {
    display: block;
    font-size: 1rem;
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

/* DOI / PDF links line */
.markdown-content p > a[href*="doi.org"],
.markdown-content p > a[href*="assets/files"] {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    padding: 2px 8px;
    border: 1px solid var(--border);
    border-radius: 3px;
    margin-right: 4px;
    display: inline-block;
    margin-top: 2px;
    text-decoration: none;
    transition: all var(--transition);
}

.markdown-content p > a[href*="doi.org"]:hover,
.markdown-content p > a[href*="assets/files"]:hover {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, transparent);
}

/* Remove the external link arrow from DOI/PDF pill links */
.markdown-content p > a[href*="doi.org"]::after,
.markdown-content p > a[href*="assets/files"]::after {
    content: none;
}

/* Code */
.markdown-content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background-color: var(--hover-bg);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    border: 1px solid var(--border);
}

.markdown-content pre {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background-color: var(--panel-bg);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.markdown-content pre code {
    background: none;
    padding: 0;
    border: none;
}

/* Blockquotes & Callouts — clean, no backgrounds */
.markdown-content blockquote,
.markdown-content .callout {
    border-left: 2px solid var(--border);
    padding-left: 1.5rem;
    margin: 2rem 0;
    color: var(--text-secondary);
}

.markdown-content .callout {
    padding: 0 0 0 1.5rem;
}

.markdown-content .callout-title {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Images */
.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 2rem 0;
    border: none;
}

/* Idea/Draft Callout — minimal, just a dashed border */
.markdown-content .callout-idea {
    border-left: 2px dashed var(--text-secondary);
    padding: 0 0 0 1.5rem;
    margin: 0 0 2.5rem 0;
    opacity: 0.7;
}

.markdown-content .callout-idea .callout-title {
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-family: var(--font-ui);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.markdown-content .callout-idea .callout-content {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
}

/* Footnotes */
.markdown-content .footnote-ref {
    font-size: 0.75em;
    vertical-align: super;
    line-height: 0;
    color: var(--accent);
    text-decoration: none;
    cursor: pointer;
    padding: 0 2px;
}

.markdown-content .footnote-ref:hover {
    text-decoration: underline;
}

.markdown-content .footnotes-section {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.markdown-content .footnotes-section h3 {
    font-size: 0.875rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.markdown-content .footnote-item {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.markdown-content .footnote-item .footnote-number {
    position: absolute;
    left: 0;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
}

.markdown-content .footnote-item a {
    color: var(--accent);
    text-decoration: none;
}

.markdown-content .footnote-item a:hover {
    text-decoration: underline;
}

/* Audio & Video */
.markdown-content audio,
.markdown-content video {
    max-width: 100%;
    margin: 1.5rem 0;
    border-radius: 6px;
}

/* ============================================
   CONTEXT PANEL (Right)
   ============================================ */

.context-section {
    padding: 1.5rem;
}

.section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Backlinks */
.backlinks-list a {
    display: block;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    color: var(--text);
    text-decoration: none;
    border-radius: 4px;
    transition: all var(--transition-smooth);
    border-left: 2px solid transparent;
}

.backlinks-list a:hover {
    background-color: var(--hover-bg);
    color: var(--accent);
    border-left-color: var(--accent);
    padding-left: 0.85rem;
    transform: translateX(2px);
}

.empty-state {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    padding: 1rem;
    font-style: italic;
}

/* ============================================
   KNOWLEDGE GRAPH
   ============================================ */

.graph-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.graph-zoom-controls {
    display: flex;
    gap: 0.25rem;
}

.graph-depth-control {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background-color: var(--hover-bg);
    border-radius: 6px;
    border: 1px solid var(--border);
}

.graph-depth-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.graph-depth-label span {
    flex-shrink: 0;
    font-weight: 500;
}

#graph-depth-slider {
    flex-grow: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    transition: background 0.3s ease;
}

#graph-depth-slider:hover {
    background: var(--text-secondary);
}

#graph-depth-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#graph-depth-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

#graph-depth-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#graph-depth-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: var(--hover-bg);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    z-index: -1;
}

.btn-secondary:hover::before {
    width: 200%;
    height: 200%;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.btn-small {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
}

.graph-mode-indicator {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    background-color: var(--hover-bg);
    color: var(--text-secondary);
    border-radius: 4px;
    border: 1px solid var(--border);
}

.knowledge-graph {
    width: 100%;
    height: 400px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    margin-bottom: 1rem;
}

#graph-svg {
    width: 100%;
    height: 100%;
}

/* ============================================
   CITATION BOX
   ============================================ */

.citation-box {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.citation-text {
    padding: 0.75rem;
    background-color: var(--hover-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.7rem;
    line-height: 1.4;
    color: var(--text);
    font-family: var(--font-mono);
    word-wrap: break-word;
    user-select: all;
}

.citation-text p {
    margin: 0;
}

.citation-text .citation-author {
    font-weight: 600;
}

.citation-text .citation-title {
    font-style: italic;
}

#copy-citation {
    align-self: flex-start;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

.mobile-menu-toggle {
    display: none;
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

@media (max-width: 1023px) {
    body {
        padding: 0;
        background-image: none !important;
    }

    .app-container {
        border-radius: 0;
        box-shadow: none;
        height: 100vh;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .panel-left,
    .panel-right {
        position: fixed;
        top: 0;
        bottom: 0;
        z-index: 999;
        transform: translateX(-100%);
        transition: transform var(--transition);
    }

    .panel-left.open {
        transform: translateX(0);
    }

    .panel-left {
        left: 0;
        width: 80%;
        max-width: 300px;
    }

    .panel-right {
        right: 0;
        width: 80%;
        max-width: 300px;
        transform: translateX(100%);
    }

    .panel-right.open {
        transform: translateX(0);
    }

    .panel-center {
        padding: 1rem;
    }
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

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

.panel::-webkit-scrollbar-track {
    background: transparent;
}

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

.panel::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

.panel,
.app-container {
    contain: layout style paint;
}

.panel-left,
.panel-right {
    will-change: transform;
}

/* ============================================
   BLACK HOLE IMPLOSION EFFECT
   ============================================ */

/* Special styling for the black hole trigger link */
.black-hole-trigger {
    color: #ff0000 !important;
    font-weight: 600;
    text-decoration: none !important;
    border-bottom: 2px solid #ff0000 !important;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    animation: ominousPulse 2s ease-in-out infinite;
}

.black-hole-trigger:hover {
    color: #000000 !important;
    background-color: #ff0000;
    border-bottom-color: #000000 !important;
    padding: 0.2em 0.5em;
    margin: 0 -0.5em;
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.6);
}

@keyframes ominousPulse {
    0%, 100% {
        opacity: 1;
        text-shadow: 0 0 5px rgba(255, 0, 0, 0.3);
    }
    50% {
        opacity: 0.7;
        text-shadow: 0 0 10px rgba(255, 0, 0, 0.6);
    }
}

/* ============================================
   BLACK HOLE IMPLOSION EFFECT
   ============================================ */

@keyframes blackHoleImplosion {
    0% {
        transform: translate(0, 0) rotate(0deg) scale(1);
        opacity: 1;
        filter: blur(0px) brightness(1) hue-rotate(0deg);
    }
    20% {
        transform: translate(calc(var(--implosion-x) * 0.2), calc(var(--implosion-y) * 0.2)) rotate(180deg) scale(0.95);
        filter: blur(1px) brightness(1.2) hue-rotate(90deg);
    }
    40% {
        transform: translate(calc(var(--implosion-x) * 0.5), calc(var(--implosion-y) * 0.5)) rotate(540deg) scale(0.7);
        filter: blur(3px) brightness(1.5) hue-rotate(180deg);
        opacity: 0.9;
    }
    60% {
        transform: translate(calc(var(--implosion-x) * 0.8), calc(var(--implosion-y) * 0.8)) rotate(1080deg) scale(0.4);
        filter: blur(6px) brightness(2) hue-rotate(270deg);
        opacity: 0.6;
    }
    80% {
        transform: translate(calc(var(--implosion-x) * 0.95), calc(var(--implosion-y) * 0.95)) rotate(1800deg) scale(0.1);
        filter: blur(10px) brightness(3) hue-rotate(360deg);
        opacity: 0.3;
    }
    100% {
        transform: translate(var(--implosion-x), var(--implosion-y)) rotate(2160deg) scale(0);
        filter: blur(15px) brightness(5) hue-rotate(720deg);
        opacity: 0;
    }
}

@keyframes backgroundDistortion {
    0% {
        filter: brightness(1) contrast(1) saturate(1);
    }
    50% {
        filter: brightness(0.5) contrast(1.5) saturate(2) hue-rotate(180deg);
    }
    100% {
        filter: brightness(0) contrast(2) saturate(0) hue-rotate(360deg);
    }
}

body.black-hole-active {
    overflow: hidden;
    animation: backgroundDistortion 8s cubic-bezier(0.6, 0, 1, 1) forwards;
}

body.black-hole-active * {
    animation: blackHoleImplosion 8s cubic-bezier(0.6, 0, 1, 1) forwards;
    transform-origin: center center;
}

/* Create event horizon effect */
body.black-hole-active::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, transparent 0%, rgba(0, 0, 0, 0.9) 70%, black 100%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 9999;
    animation: eventHorizon 8s cubic-bezier(0.6, 0, 1, 1) forwards;
    pointer-events: none;
    box-shadow: 0 0 100px 50px rgba(0, 0, 0, 0.8),
                inset 0 0 50px rgba(255, 255, 255, 0.1);
}

@keyframes eventHorizon {
    0% {
        width: 0;
        height: 0;
        opacity: 0;
    }
    30% {
        opacity: 1;
    }
    100% {
        width: 300vmax;
        height: 300vmax;
        opacity: 1;
    }
}

/* ============================================
   TYPEWRITER CASCADE EFFECT (Writing)
   ============================================ */

/* Special styling for the typewriter trigger link */
.typewriter-trigger {
    color: var(--academic, #9333ea) !important;
    font-weight: 600;
    text-decoration: none !important;
    border-bottom: 2px solid var(--academic, #9333ea) !important;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    font-family: var(--font-mono);
    animation: typewriterBlink 1.5s ease-in-out infinite;
}

.typewriter-trigger:hover {
    color: var(--bg) !important;
    background-color: var(--academic, #9333ea);
    border-bottom-color: var(--academic, #9333ea) !important;
    padding: 0.2em 0.5em;
    margin: 0 -0.5em;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.4);
}

@keyframes typewriterBlink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

/* ============================================
   TYPEWRITER CASCADE EFFECT (Writing)
   ============================================ */

/* Hide all text immediately when typewriter is active */
body.typewriter-active * {
    color: transparent !important;
    border-color: transparent !important;
}

/* Override hiding for text being typed - must be more specific */
body.typewriter-active .typewriter-typing {
    color: var(--text) !important;
    background-color: transparent !important;
    display: inline-block !important;
    overflow: hidden !important;
    white-space: nowrap !important;
    border-right: 2px solid var(--accent) !important;
    max-width: 0;
    animation: typeText var(--type-duration, 2s) steps(var(--char-count, 20), end) forwards,
               blinkCursor 0.75s step-end infinite;
    animation-delay: var(--type-delay, 0s);
}

/* Also show completed text */
body.typewriter-active .typewriter-done {
    color: var(--text) !important;
}

@keyframes typeText {
    from { max-width: 0; }
    to { max-width: 100%; }
}

@keyframes blinkCursor {
    0%, 100% { border-right-color: var(--accent); }
    50% { border-right-color: transparent; }
}

/* Remove cursor after typing is done */
.typewriter-done {
    border-right: none !important;
    animation: none !important;
    white-space: normal !important;
    overflow: visible !important;
    max-width: none !important;
    display: inline !important;
}

/* ============================================
   PDF EMBED STYLES
   ============================================ */

.pdf-embed {
    margin: 1.5rem 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.pdf-embed-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
}

.pdf-embed-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.pdf-embed-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
}

.pdf-embed-link {
    flex-shrink: 0;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.pdf-embed-link:hover {
    background: var(--hover-bg);
    text-decoration: underline;
}

.pdf-embed-frame {
    width: 100%;
    height: 80vh;
    min-height: 500px;
    border: none;
    display: block;
}

/* ============================================
   FULL-PAGE KNOWLEDGE GRAPH
   ============================================ */

.fullpage-graph {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg);
    z-index: 9999;
    display: flex;
    flex-direction: column;
}

.fullpage-graph-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background-color: var(--panel-bg);
    flex-shrink: 0;
    z-index: 10;
}

.fullpage-graph-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text);
    margin: 0;
}

.fullpage-graph-close {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.5rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all var(--transition);
    font-family: var(--font-ui);
}

.fullpage-graph-close:hover {
    background-color: var(--hover-bg);
    color: var(--accent);
    border-color: var(--accent);
}

/* Controls panel */
.fullpage-graph-controls {
    position: absolute;
    top: 60px;
    left: 1rem;
    width: 240px;
    background-color: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    z-index: 10;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.graph-filter-group {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.graph-filter-group:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.graph-filter-label {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.5rem;
}

.graph-filter-label span {
    float: right;
    font-weight: 400;
    opacity: 0.7;
}

/* Filter Chips */
.graph-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.graph-chip {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    padding: 3px 8px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.graph-chip:hover {
    border-color: var(--chip-color, var(--accent));
    color: var(--chip-color, var(--accent));
}

.graph-chip.active {
    background-color: var(--chip-color, var(--accent));
    border-color: var(--chip-color, var(--accent));
    color: var(--bg);
}

/* Radio buttons */
.graph-radio-group {
    display: flex;
    gap: 2px;
    background: var(--hover-bg);
    border-radius: 6px;
    padding: 2px;
}

.graph-radio {
    font-family: var(--font-ui);
    font-size: 0.6rem;
    padding: 4px 8px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    flex: 1;
    text-align: center;
    white-space: nowrap;
}

.graph-radio:hover {
    color: var(--text);
}

.graph-radio.active {
    background: var(--panel-bg);
    color: var(--text);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Sliders */
.graph-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.graph-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Toggles */
.graph-toggles {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.graph-toggle {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.graph-toggle input[type="checkbox"] {
    accent-color: var(--accent);
    width: 14px;
    height: 14px;
    cursor: pointer;
}

/* Search */
.graph-search-input {
    width: 100%;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    padding: 6px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    outline: none;
    transition: border-color var(--transition);
}

.graph-search-input:focus {
    border-color: var(--accent);
}

.graph-search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Stats */
.graph-stats {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.graph-stat {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.graph-stat span {
    font-weight: 600;
    color: var(--accent);
}

/* Graph SVG */
#fullpage-graph-svg {
    flex: 1;
    width: 100%;
}

/* Legend */
.fullpage-graph-legend {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    gap: 1rem;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    z-index: 10;
}

.legend-item {
    font-family: var(--font-ui);
    font-size: 0.65rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 5px;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

/* Highlighted search node */
.graph-node-highlight {
    stroke: var(--accent) !important;
    stroke-width: 4px !important;
    filter: drop-shadow(0 0 8px var(--accent));
}

/* ============================================
   COOL UI ELEMENTS (inspired by academic portfolios)
   ============================================ */

/* Clean panel backgrounds */

/* Wikilink hover preview card */
.wikilink-preview {
    position: fixed;
    max-width: 320px;
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    pointer-events: none;
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.wikilink-preview.visible {
    opacity: 1;
    transform: translateY(0);
}

.wikilink-preview h4 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text);
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.wikilink-preview .preview-text {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.wikilink-preview .preview-area {
    font-family: var(--font-ui);
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin-top: 0.5rem;
}

/* Page entry animation */
.page-content {
    animation: pageSlideIn 0.3s ease-out;
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Active wikilink subtle indicator */
.markdown-content a.wikilink {
    position: relative;
    padding: 0 2px;
    border-radius: 2px;
    transition: all var(--transition);
}

.markdown-content a.wikilink:hover {
    background-color: color-mix(in srgb, var(--accent) 10%, transparent);
}

.markdown-content a.wikilink.broken {
    color: var(--text-secondary);
    opacity: 0.5;
    text-decoration: line-through;
}

/* No drop cap — keep it clean */

/* Horizontal rule as elegant separator */
.markdown-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--border), transparent);
    margin: 2.5rem 0;
}

/* Blockquote — clean, no background */
.markdown-content blockquote {
    border-left: 2px solid var(--border);
    padding: 0 0 0 1.5rem;
    margin: 2rem 0;
    font-style: italic;
}

.markdown-content blockquote p {
    margin-bottom: 0.75rem;
}

/* Smooth scroll for internal links */
html {
    scroll-behavior: smooth;
}

/* External link indicator */
.markdown-content a[target="_blank"]::after {
    content: " ↗";
    font-size: 0.7em;
    opacity: 0.5;
    vertical-align: super;
}