/* --- CORE & FOUNDATION - THE SCHOLAR'S CANVAS --- */

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

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: var(--font-main);
    -webkit-font-smoothing: antialiased;
    font-variant-ligatures: common-ligatures;
    transition: background-color var(--transition-base), color var(--transition-base);
    min-height: 100vh;
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    margin: 0 auto;
    padding: 0 0 var(--space-4) 0;
}

/* Texture Overlay - Subtle Scholar's Grain */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.015;
    pointer-events: none;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.6' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

[data-theme="light"] body::before {
    opacity: 0.025;
}

/* Hardware accelerated fixed background for smooth scrolling */
body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 50% 50%, oklch(100% 0 0 / 0.02), transparent 80%);
    pointer-events: none;
    z-index: -1;
    will-change: transform; /* Hint to browser to use GPU */
}

article {
    max-width: var(--measure);
    margin: 0 auto;
    padding: var(--space-10) var(--space-6);
    text-align: justify;
    hyphens: auto;
}

/* Ensure headings remain left-aligned for hierarchy */
article h1, article h2, article h3, article h4, article h5, article h6 {
    text-align: left;
}

main {
    animation: fadeLift var(--transition-slow);
}

@keyframes fadeLift {
    from { 
        opacity: 0; 
        transform: translateY(var(--space-2)) translateX(var(--space-1));
    }
    to { 
        opacity: 1; 
        transform: translateY(0) translateX(0); 
    }
}

/* Article Meta Bar - Default horizontal layout for all screens */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
    padding: var(--space-3) 0;
    margin: var(--space-4) 0;
    border-bottom: 1px solid var(--border);
}

.article-meta time,
.article-meta span:not(.meta-divider):not(.tag-pill) {
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.article-meta .tag-pill {
    font-size: var(--text-xs);
}

.article-meta .meta-divider {
    color: var(--text-muted);
    margin: 0 var(--space-1);
}

/* Editorial Wide-Canvas Marginalia */
@media (min-width: 1600px) {
    .sidenote {
        position: absolute;
        right: -320px;
        width: 260px;
        border-left: none;
        padding-left: 0;
        margin: 0;
        text-align: left;
    }

    .article-meta {
        display: flex !important;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        gap: var(--space-3);
        padding: var(--space-3) var(--space-4);
        background: transparent;
        border-bottom: 1px solid var(--border);
        margin-bottom: var(--space-4);
    }

    .article-meta:hover {
        opacity: 1;
    }

    .article-meta span,
    .article-meta time {
        display: inline;
        font-size: var(--text-xs);
        letter-spacing: var(--tracking-wide);
        text-transform: uppercase;
        font-family: var(--font-mono);
        color: var(--accent-primary);
    }
}

/* Scribe’s Marginalia & Inline Sidenotes */
.sidenote {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    padding: var(--space-5);
    border-left: 1px solid var(--accent-sage);
    margin: var(--space-8) 0;
    opacity: 0.85;
    transition: opacity var(--transition-base);
}

img {
    max-width: 100%;
    margin: var(--space-10) auto var(--space-5) auto;
    display: block;
    border-radius: 2px; /* Precise mechanical radius */
    box-shadow: 0 20px 40px oklch(0% 0 0 / 0.4);
    transition: var(--transition-base);
}

[data-theme="light"] img {
    box-shadow: 0 20px 40px oklch(0% 0 0 / 0.1);
}

img:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 60px oklch(0% 0 0 / 0.2);
}

/* Museum Label Image Captions */
figure {
    margin: var(--space-10) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

figcaption {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
    text-align: center;
    padding-top: var(--space-4);
    max-width: 80%;
    opacity: 0.7;
    transition: opacity var(--transition-base);
}

figure:hover figcaption {
    opacity: 1;
}

.center-text { text-align: center; }
.center-flex { display: flex; justify-content: center; }
.mb-small { margin-bottom: var(--space-3); }
.no-border { border: none !important; }
.small-pill { font-size: var(--text-xs); }

/* --- Fundamental Article Elements --- */
.content-body { 
    line-height: var(--leading-relaxed); 
    font-size: var(--text-base); 
    color: var(--text-main);
}

blockquote {
    margin: var(--space-10) 0;
    padding: var(--space-8) var(--space-8) var(--space-4) var(--space-8);
    border: 1px solid color-mix(in srgb, var(--accent-primary), transparent 80%);
    background: color-mix(in srgb, var(--bg-card), var(--accent-primary) 3%);
    border-radius: var(--space-2);
    font-style: italic;
    color: var(--text-main);
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    line-height: var(--leading-normal);
    position: relative;
    transition: all var(--transition-base);
}

blockquote:hover {
    border-color: var(--accent-primary);
    background: color-mix(in srgb, var(--bg-card), var(--accent-primary) 6%);
}

blockquote::before {
    content: "“";
    position: absolute;
    top: 0;
    left: var(--space-4);
    font-size: var(--text-6xl);
    color: var(--accent-primary);
    opacity: 0.2;
    font-family: var(--font-serif);
}

.content-body ul,
.content-body ol {
    margin: var(--space-4) 0;
    padding-left: var(--space-6);
}

.content-body li {
    margin: var(--space-3) 0;
    line-height: var(--leading-relaxed);
}

.content-body table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-8) 0;
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.content-body th {
    font-family: var(--font-mono);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
    color: var(--accent-primary);
    background: color-mix(in srgb, var(--bg-card), var(--accent-sage) 4%);
    padding: var(--space-4) var(--space-5);
    text-align: left;
    border-bottom: 2px solid var(--border);
}

.content-body td {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

/* Metadata Typography */
.meta-info {
    font-size: var(--text-sm);
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-4);
}

.meta-divider, .separator {
    margin: 0 var(--space-2);
    color: var(--border);
    opacity: 0.5;
}

/* --- D2 Diagram Theme Switching --- */
.d2-container .d2-light,
.d2-container .d2-dark {
    display: none;
    width: 100%; /* Force width to prevent flex-shrink to 0 */
}

/* Default state: show dark, hide light */
.d2-container .d2-dark {
    display: block;
}

/* Light theme override: show light, hide dark */
[data-theme="light"] .d2-container .d2-light {
    display: block;
}
[data-theme="light"] .d2-container .d2-dark {
    display: none;
}

/* Container Styling */
.d2-container {
    cursor: zoom-in;
    margin: var(--space-8) 0;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%; /* Ensure container fills the content area */
}

.d2-container svg {
    display: block;
    max-width: 100%;
    max-height: 400px;
    height: auto !important; /* Force override of fixed height attributes */
    margin: 0 auto;
    border-radius: var(--space-1);
}

.zoom-hint {
    display: block;
    text-align: center;
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-2);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    opacity: 0.6;
}
/* Header & Nav Layout - The Scholar's Ledger */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition-base);
    --scroll-percent: 0%;
}

header::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: var(--scroll-percent);
    height: 1px;
    background: var(--accent-primary);
    transition: width 0.1s linear;
    z-index: 1001;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-2) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px; /* Ensure a stable, consistent height */
}

.site-title {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--h1-color);
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    text-decoration: none;
    transition: var(--transition-base);
    font-family: var(--font-mono);
    flex-shrink: 0;
    line-height: 1; /* ensures vertical alignment with logo */
}

.site-title:hover {
    color: var(--accent-primary);
}

.site-logo {
    height: 32px; /* slightly larger for better presence */
    width: auto;
    margin: 0; /* reset global img margins */
    display: block;
    filter: grayscale(1) contrast(1.2);
    transition: var(--transition-base);
    border-radius: 4px;
}

header nav {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

header nav a,
header nav button,
.nav-btn {
    padding: var(--space-2) var(--space-4);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: 0.85rem;
    font-weight: 600;
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    font-family: var(--font-mono);
    display: inline-flex;
    align-items: center;
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
    border-radius: 6px;
}

header nav a:hover,
header nav button:hover,
.nav-btn:hover {
    color: var(--accent-primary);
    background: var(--bg-card-hover);
}

header nav a.active {
    color: var(--accent-primary);
    background: var(--bg-tint);
}

/* Theme Toggle - Mechanical Precision */
#theme-toggle {
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-2);
    margin-left: var(--space-4);
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 2px;
}

#theme-toggle:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

#theme-toggle .theme-icon-dark { display: none; }
#theme-toggle .theme-icon-light { display: inline; }
[data-theme="light"] #theme-toggle .theme-icon-dark { display: inline; }
[data-theme="light"] #theme-toggle .theme-icon-light { display: none; }

/* Hide mobile-specific buttons and menus on desktop */
.mobile-search-btn,
.mobile-theme-toggle,
.menu-toggle,
.mobile-menu,
.mobile-menu-backdrop {
    display: none;
}

@media (max-width: 768px) {
    header {
        padding: var(--space-3) var(--space-4);
    }
    
    .desktop-nav {
        display: none;
    }

    .mobile-search-btn,
    .mobile-theme-toggle,
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: 2px;
        padding: 0;
        color: var(--text-main);
    }

    .menu-toggle {
        flex-direction: column;
        gap: 3px;
    }

    .hamburger-line {
        display: block;
        width: 18px;
        height: 1px;
        background: var(--text-main);
    }

    .mobile-theme-toggle .theme-icon-dark { display: none; }
    .mobile-theme-toggle .theme-icon-light { display: inline; }
    [data-theme="light"] .mobile-theme-toggle .theme-icon-dark { display: inline; }
    [data-theme="light"] .mobile-theme-toggle .theme-icon-light { display: none; }

    .mobile-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: var(--bg-body);
        z-index: 2000;
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-6);
        transition: var(--transition-base);
    }

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

    .mobile-menu-header {
        position: absolute;
        top: var(--space-4);
        left: var(--space-4);
        right: var(--space-4);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mobile-menu-title {
        font-family: var(--font-mono);
        font-size: var(--text-lg);
        color: var(--h1-color);
        text-transform: uppercase;
        letter-spacing: var(--tracking-xwide);
    }

    .menu-close {
        background: transparent;
        border: none;
        color: var(--text-main);
        cursor: pointer;
        padding: var(--space-2);
    }

    .mobile-menu-content {
        display: flex;
        flex-direction: column;
        gap: var(--space-6);
        text-align: center;
    }

    .mobile-nav-link {
        font-family: var(--font-mono);
        font-size: var(--text-xl);
        color: var(--text-secondary);
        text-decoration: none;
        text-transform: uppercase;
        letter-spacing: var(--tracking-wide);
        transition: var(--transition-base);
    }

    .mobile-nav-link:hover {
        color: var(--accent-primary);
        transform: scale(1.05);
    }

    .mobile-menu-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        z-index: 1999;
        display: none;
        transition: var(--transition-base);
    }

    .mobile-menu-backdrop.open {
        display: block;
    }

    body.menu-open {
        overflow: hidden;
    }
}
/* Zen Tags & Topics */
.tag-cloud {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-8);
    justify-content: center;
}

.tag-pill, .list-tag, .mini-tag {
    display: inline-flex;
    align-items: center;
    background: var(--bg-tint);
    color: var(--accent-cool);
    border: 1px solid var(--accent-border);
    transition: all var(--transition-base);
    padding: calc(var(--space-1) / 2) var(--space-3);
    border-radius: var(--space-1);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-wide);
    text-transform: lowercase;
}

.tag-pill:hover, .list-tag:hover, .mini-tag:hover {
    background: var(--accent-cool);
    color: var(--text-inverse);
    border-color: var(--accent-cool);
    transform: translateY(-2px);
    box-shadow: var(--glow-hover);
}

.tag-pill.small-pill {
    padding: calc(var(--space-1) / 4) var(--space-2);
}

.tag-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: var(--space-2);
    border-radius: var(--space-1);
    padding: 0 var(--space-1);
    background: color-mix(in srgb, var(--bg-accent), transparent 50%);
    color: inherit;
    font-size: 0.8em;
    opacity: 0.7;
}

.tag-row {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-4);
}

.bento-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--accent-primary);
    text-decoration: none;
    border: 1px solid color-mix(in srgb, var(--accent-primary), transparent 80%);
    padding: 1px 6px;
    border-radius: 2px;
    transition: all var(--transition-base);
    background: color-mix(in srgb, var(--accent-primary), transparent 95%);
    text-transform: lowercase;
}

.bento-tag:hover {
    border-color: var(--accent-primary);
    background: color-mix(in srgb, var(--accent-primary), transparent 85%);
    transform: translateY(-1px);
}
/* Zen Table of Contents */

.toc-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--space-2);
    margin-top: var(--space-7);
    margin-bottom: var(--space-9);
    overflow: hidden;
    transition: all var(--transition-base);
    z-index: 100;
}

.toc-toggle {
    padding: var(--space-4) var(--space-6);
    cursor: pointer;
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    user-select: none;
    transition: all var(--transition-base);
}

.toc-toggle:hover {
    color: var(--h1-color);
    background: color-mix(in srgb, var(--bg-card), var(--accent-sage) 2%);
}

.toc-icon::after {
    content: "↓";
    transition: transform var(--transition-base);
    display: inline-block;
}

.toc-container.expanded .toc-icon::after {
    transform: rotate(180deg);
}

.toc-container nav {
    display: none;
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border);
    max-height: 60vh;
    overflow-y: auto;
}

.toc-container.expanded nav {
    display: block;
    animation: slideDown var(--transition-base);
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(calc(var(--space-2) * -1.2)); }
    to { opacity: 1; transform: translateY(0); }
}

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

.toc-container li {
    margin-bottom: var(--space-2);
    line-height: var(--leading-tight);
}

.toc-container a {
    color: var(--text-muted);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: all var(--transition-base);
    display: block;
    padding: var(--space-1) 0;
}

.toc-container a:hover {
    color: var(--accent-primary);
    text-decoration: underline;
    transform: translateX(4px);
}

.toc-container a.active {
    color: var(--accent-primary);
    font-weight: 600;
}

/* TOC Level Indentation */
.toc-level-2 { padding-left: var(--space-2); }
.toc-level-3 { padding-left: var(--space-5); }
.toc-level-4 { padding-left: var(--space-7); }

/* Desktop Floating Sidebar TOC (Zen Style) */
@media (min-width: 2500px) {
    .toc-container {
        position: fixed;
        top: var(--space-16);
        left: calc(50% + 480px);
        width: 250px;
        background: transparent;
        border: none;
        box-shadow: none;
    }

    .toc-toggle {
        display: none;
    }

    .toc-container nav {
        display: block;
        border: none;
        padding: 0;
    }

    .toc-container a {
        padding: var(--space-2) 0;
        border: none;
        transition: all var(--transition-base);
        font-size: var(--text-sm);
        opacity: 0.7;
        position: relative;
    }

    /* The "Active Path" Line */
    .toc-container a::before {
        content: "";
        position: absolute;
        left: -1px;
        top: 0;
        width: 1px;
        height: 0%;
        background: var(--accent-sage);
        transition: height var(--transition-base);
    }

    .toc-container a.active {
        padding-left: 0;
        border: none;
        color: var(--accent-sage);
        opacity: 1;
        font-weight: var(--font-weight-medium);
        letter-spacing: var(--tracking-normal);
    }

    .toc-container a.active::before {
        height: 100%;
    }

    .toc-container a:hover {
        opacity: 1;
        text-decoration: underline;
        transform: none; /* No shift in sidebar */
    }

    .toc-container a.active::before {
        display: none;
    }
}

/* --- Floating TOC Button (Bottom Left) --- */
#floating-toc-btn {
    position: fixed;
    bottom: var(--space-6);
    left: var(--space-6);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--accent-primary);
    width: var(--space-9);
    height: var(--space-9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 998;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

#floating-toc-btn.visible {
    opacity: 1;
    visibility: visible;
}

#floating-toc-btn:hover {
    background: color-mix(in srgb, var(--bg-card-hover), var(--accent-sage) 5%);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* --- TOC Modal Overlay --- */
.toc-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: none; /* Controlled by JS */
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.toc-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.toc-modal-content {
    background: var(--bg-card);
    width: 340px;
    max-width: 90vw;
    max-height: 70vh;
    border-radius: var(--space-3);
    border: 1px solid var(--border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

.toc-modal-overlay.active .toc-modal-content {
    transform: translateY(0);
}

.toc-modal-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.toc-modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--text-xl);
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition-base);
}

.toc-modal-close:hover {
    color: var(--accent-primary);
}

.toc-modal-nav {
    padding: var(--space-4) var(--space-6);
    overflow-y: auto;
    flex: 1;
}

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

.toc-modal-nav li {
    margin-bottom: var(--space-3);
}

.toc-modal-link {
    color: var(--text-main);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: all var(--transition-base);
    display: inline;
    padding: 0;
}

.toc-modal-link:hover {
    color: var(--accent-primary);
    text-decoration: underline;
}

.toc-modal-link.active {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Level padding for modal */
.toc-modal-nav .toc-level-2 { padding-left: var(--space-2); }
.toc-level-3 { padding-left: var(--space-6); }
.toc-level-4 { padding-left: var(--space-8); }

/* Hide floating button on extreme wide screens (2500px - ultra-wide monitors) */
@media (min-width: 2500px) {
    #floating-toc-btn {
        display: none !important;
    }
}
/* Zen Command Center */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4); 
    backdrop-filter: blur(8px) grayscale(0.4);
    -webkit-backdrop-filter: blur(8px) grayscale(0.4);
    padding: 10vh var(--space-4);
    transition: all var(--transition-base);
}

[data-theme="light"] .modal {
    background-color: rgba(253, 252, 251, 0.3);
    backdrop-filter: blur(8px) grayscale(0.5);
}

.modal-content {
    background-color: var(--bg-card);
    margin: 0 auto;
    padding: 0;
    border: 1px solid var(--border);
    width: 100%;
    max-width: 650px;
    max-height: 70vh;
    border-radius: var(--space-3);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlide var(--transition-base);
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(calc(var(--space-6) * -1)); }
    to { opacity: 1; transform: translateY(0); }
}

.search-header {
    display: flex;
    align-items: center;
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: var(--space-4);
    transition: all var(--transition-base);
}

.search-header:focus-within {
    box-shadow: inset 0 -1px 0 var(--accent-sage), 0 5px 15px rgba(140, 148, 140, 0.05);
}

.search-header::before {
    content: "✧";
    font-size: var(--text-lg);
    color: var(--accent-tertiary);
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.search-header:focus-within::before {
    opacity: 1;
}

#search-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: var(--text-lg);
    outline: none;
    font-family: var(--font-serif);
    font-style: italic;
    letter-spacing: var(--tracking-wide);
}

#search-input::placeholder {
    color: var(--text-muted);
    opacity: 0.4;
    font-style: normal;
}

.close-search {
    cursor: pointer;
    color: var(--text-muted);
    font-size: var(--text-xl);
    line-height: 1;
    transition: color var(--transition-base);
}

.close-search:hover {
    color: var(--h1-color);
}

#search-results {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--space-2) 0;
    scrollbar-width: thin;
}

.search-result-item {
    padding: var(--space-5) var(--space-6);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: calc(var(--space-1) * 1.5);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.search-result-item:hover, 
.search-result-item.selected { 
    background: color-mix(in srgb, var(--bg-card-hover), var(--accent-sage) 3%);
    border-color: var(--border-subtle);
    box-shadow: var(--glow-sage);
    transform: translateY(-2px);
    z-index: 5;
}

.search-result-title { 
    font-weight: var(--font-weight-normal); 
    color: var(--text-main); 
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    transition: color var(--transition-base);
}

.search-result-title b {
    color: var(--accent-tertiary);
    font-weight: var(--font-weight-bold);
    background: color-mix(in srgb, var(--accent-sage), transparent 90%);
    padding: 0 2px;
    border-radius: 2px;
}

.search-result-item:hover .search-result-title,
.search-result-item.selected .search-result-title {
    color: var(--accent-tertiary);
}

.search-result-snippet {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.search-result-snippet b {
    color: var(--accent-primary);
    background: transparent;
    font-weight: var(--font-weight-bold);
    padding: 0;
}

.search-graph-btn {
    align-self: flex-start;
    padding: 0.25rem 0.75rem;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xwide);
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-base);
    margin-top: 0.5rem;
}

.search-result-item.selected .search-graph-btn,
.search-graph-btn:hover {
    background: var(--accent-primary);
    color: var(--text-inverse);
    border-color: var(--accent-primary);
}

/* Autocomplete suggestions */
.search-suggestions {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: none;
    padding: 0.75rem 1.5rem;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.suggestion-item {
    background: var(--bg-accent);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 10px;
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.suggestion-item:hover, .suggestion-item.selected {
    background: var(--accent-primary);
    color: var(--text-inverse);
    border-color: var(--accent-primary);
}

.search-footer {
    padding: var(--space-4) var(--space-6);
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
}

/* Quick Discovery (Empty State) */
.search-empty-state {
    padding: var(--space-6);
}

.search-no-results {
    padding-bottom: var(--space-6);
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: 1.6;
    text-align: center;
    font-style: italic;
    font-family: var(--font-serif);
}

.search-no-results::before {
    content: "✧";
    display: block;
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
    color: var(--accent-primary);
    opacity: 0.4;
    font-style: normal;
}

.search-no-results::after {
    content: "The mind seeks what the silence already knows.";
    display: block;
    font-size: var(--text-xs);
    margin-top: var(--space-3);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
    opacity: 0.5;
    font-style: normal;
    font-family: var(--font-mono);
}

.discovery-section {
    margin-bottom: var(--space-8);
}

.discovery-title {
    font-size: var(--text-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
    color: var(--text-muted);
    margin-bottom: var(--space-4);
    font-family: var(--font-main);
}

.discovery-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
}

.discovery-tag {
    padding: var(--space-2) var(--space-4);
    background: var(--bg-accent);
    border: 1px solid var(--border);
    border-radius: 99px;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: all var(--transition-base);
}

.discovery-tag:hover {
    background: color-mix(in srgb, var(--bg-card-hover), var(--accent-sage) 5%);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.recent-search-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--space-2);
    color: var(--text-main);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: background var(--transition-base);
}

.recent-search-item:hover {
    background: color-mix(in srgb, var(--bg-tint), var(--accent-sage) 3%);
}
/* Image Lightbox */
#lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

#lightbox.active {
    opacity: 1;
    visibility: visible;
}

#lightbox.active img,
#lightbox.active .lightbox-svg-container {
    transform: translateY(0);
}

#lightbox img,
.lightbox-svg-container {
    max-width: 90%;
    max-height: 90%;
    border-radius: var(--space-2);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.lightbox-svg-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.lightbox-svg-container svg {
    max-width: 100%;
    max-height: 80vh;
    width: 100%;
    height: auto !important;
}
/* --- Scholar's Ink Syntax Highlighting --- */
/* Designed for a contemplative, editorial reading experience */

.bg { color: var(--text-main); background-color: var(--bg-code); }
.chroma { color: var(--text-main); background-color: var(--bg-code); }

.chroma .err { color: var(--accent-clay); }
.chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; }
.chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; }
.chroma .hl { background-color: var(--bg-tint); display: block; width: 100%; }
.chroma .lnt { white-space: pre; user-select: none; margin-right: 0.4em; padding: 0 0.4em; color: var(--text-muted); opacity: 0.5; }
.chroma .ln { white-space: pre; user-select: none; margin-right: 0.4em; padding: 0 0.4em; color: var(--text-muted); opacity: 0.5; }
.chroma .line { display: flex; }

/* Editorial Palette Mapping */
.chroma .k, .chroma .kc, .chroma .kd, .chroma .kn, .chroma .kp, .chroma .kr, .chroma .kt { color: var(--accent-indigo); font-weight: var(--font-weight-medium); } /* Keywords */
.chroma .na, .chroma .nb, .chroma .nc, .chroma .no, .chroma .nd, .chroma .ni, .chroma .ne { color: var(--accent-sage); } /* Names/Classes */
.chroma .nf, .chroma .nl, .chroma .nn, .chroma .nt { color: var(--accent-sage); font-weight: var(--font-weight-medium); } /* Functions/Tags */
.chroma .s, .chroma .sa, .chroma .sb, .chroma .sc, .chroma .dl, .chroma .s2, .chroma .se, .chroma .sh, .chroma .si, .chroma .sx, .chroma .sr, .chroma .s1, .chroma .ss { color: var(--accent-clay); } /* Strings */
.chroma .m, .chroma .mb, .chroma .mf, .chroma .mh, .chroma .mi, .chroma .il, .chroma .mo { color: var(--accent-gold); } /* Numbers */
.chroma .o, .chroma .ow { color: var(--accent-indigo); opacity: 0.8; } /* Operators */
.chroma .p { color: var(--text-main); opacity: 0.7; } /* Punctuation */
.chroma .c, .chroma .ch, .chroma .cm, .chroma .c1, .chroma .cs, .chroma .cp, .chroma .cpf { color: var(--text-muted); font-style: italic; opacity: 0.8; } /* Comments */

/* Code Block Containers */
.code-block-container {
    margin: var(--space-8) 0;
    border-radius: var(--space-3);
    overflow: hidden;
    position: relative;
}

.code-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
}

/* Header Bar */
.code-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-accent);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--space-3) var(--space-3) 0 0;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-mono);
}

.code-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.code-lang-label {
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    color: var(--accent-primary);
    letter-spacing: var(--tracking-xxwide);
}

.code-header-divider {
    width: 1px;
    height: 12px;
    background: var(--border);
}

.code-header-title {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.copy-btn-explicit {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--space-1);
    color: var(--text-muted);
    font-size: 10px;
    padding: 2px 8px;
    cursor: pointer;
    transition: all 0.2s var(--ease-mechanical);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.copy-btn-explicit:hover {
    background: var(--bg-hover);
    color: var(--text-main);
    border-color: var(--accent-primary);
}

.copy-btn-explicit.copied {
    background: var(--accent-primary);
    color: var(--text-inverse);
    border-color: var(--accent-primary);
}

.code-block-container pre {
    margin: 0;
    border-top: none;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    box-shadow: none;
}

pre {
    margin-top: 0;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    background: var(--bg-code) !important;
    border-radius: var(--space-3);
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin: var(--space-8) 0;
    padding: var(--space-5);
    overflow: auto;
    position: relative;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-border) transparent;
}

pre::-webkit-scrollbar {
    height: 4px;
    width: 4px;
}

pre::-webkit-scrollbar-track {
    background: transparent;
}

pre::-webkit-scrollbar-thumb {
    background: var(--accent-border);
    border-radius: 10px;
}

pre::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Subtle Paper Texture for Code Blocks */
pre::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0.02;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

code { font-family: var(--font-mono); font-size: var(--text-sm); line-height: 1.6; }

p code, li code, td code,
h1 code, h2 code, h3 code, h4 code, h5 code, h6 code,
.hero-title code, .list-title code, .post-title code,
.site-title code, .callout-title code, .search-result-title code {
    background: var(--bg-tint);
    color: var(--accent-primary);
    padding: calc(var(--space-1) * 0.6) var(--space-2);
    border-radius: var(--space-1);
    border: 1px solid var(--border);
}

p code, li code, td code {
    font-size: var(--text-sm);
}

h1 code, h2 code, h3 code, h4 code, h5 code, h6 code,
.hero-title code, .list-title code, .post-title code,
.site-title code, .callout-title code, .search-result-title code {
    font-size: inherit;
}

/* Copy Button Refinement */
.copy-btn {
    position: absolute;
    top: var(--space-3); right: var(--space-3);
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 99px;
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
    cursor: pointer;
    opacity: 0.4;
    transition: all 0.3s var(--ease-calm);
    z-index: 10;
    text-transform: uppercase;
    letter-spacing: var(--tracking-xwide);
}

pre:hover .copy-btn, .copy-btn:hover { opacity: 1; }
.copy-btn:hover { background: var(--accent-primary); color: var(--text-inverse); transform: translateY(-1px); }
/* --- Kosh Shortcodes --- */

/* --- Callouts (Replaces Legacy Admonitions) --- */

.shortcode-callout {
    margin: clamp(var(--space-8), 6vh, var(--space-10)) 0;
    padding: var(--space-6) var(--space-7);
    background-color: var(--bg-tint);
    border-radius: var(--space-2);
    position: relative;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    overflow: hidden;
}

.shortcode-callout:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
    border-color: var(--accent-primary);
}

.callout-title {
    font-family: var(--font-mono);
    font-weight: var(--font-weight-bold);
    font-size: var(--text-xs);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-muted);
}

.callout-title::before {
    font-size: var(--text-base);
    line-height: 1;
    opacity: 0.8;
}

.callout-content {
    font-size: var(--text-lg);
    color: var(--text-main);
    line-height: var(--leading-relaxed);
}

/* Callout Types */

.callout-note, .callout-info {
    border-color: color-mix(in srgb, var(--accent-indigo), transparent 80%);
    background-color: color-mix(in srgb, var(--bg-card), var(--accent-indigo) 8%);
}
.callout-note .callout-title, .callout-info .callout-title { color: var(--accent-indigo); }
.callout-note .callout-title::before, .callout-info .callout-title::before { content: "§"; }

.callout-tip, .callout-success {
    border-color: color-mix(in srgb, var(--accent-sage), transparent 80%);
    background-color: color-mix(in srgb, var(--bg-card), var(--accent-sage) 8%);
}
.callout-tip .callout-title, .callout-success .callout-title { color: var(--accent-sage); }
.callout-tip .callout-title::before, .callout-success .callout-title::before { content: "✧"; }

.callout-warning, .callout-caution {
    border-color: color-mix(in srgb, var(--accent-gold), transparent 80%);
    background-color: color-mix(in srgb, var(--bg-card), var(--accent-gold) 8%);
}
.callout-warning .callout-title, .callout-caution .callout-title { color: var(--accent-gold); }
.callout-warning .callout-title::before, .callout-caution .callout-title::before { content: "!"; }

.callout-danger, .callout-error {
    border-color: color-mix(in srgb, var(--accent-warm), transparent 80%);
    background-color: color-mix(in srgb, var(--bg-card), var(--accent-warm) 10%);
}
.callout-danger .callout-title, .callout-error .callout-title { color: var(--accent-warm); }
.callout-danger .callout-title::before, .callout-error .callout-title::before { content: "※"; }

/* --- YouTube Embed --- */

.shortcode-youtube {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    margin: var(--space-8) 0;
    border-radius: var(--space-2);
    border: 1px solid var(--border);
    background: var(--bg-code);
}

.shortcode-youtube iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* --- Figures (Inherits from core.css) --- */

.shortcode-figure {
    margin: var(--space-10) auto;
}

.shortcode-figure img {
    border-radius: var(--space-2);
    border: 1px solid var(--border);
    box-shadow: var(--glow-hover);
}

.shortcode-figure figcaption {
    font-family: var(--font-serif);
    font-style: italic;
}

/* --- Details --- */

.shortcode-details {
    margin: var(--space-6) 0;
    padding: var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--space-2);
    background: var(--bg-tint);
}

.shortcode-details summary {
    cursor: pointer;
    font-weight: var(--font-weight-medium);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--accent-primary);
    outline: none;
    user-select: none;
}

.shortcode-details summary:hover {
    color: var(--accent-secondary);
}

.details-content {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .shortcode-callout { padding: var(--space-4) var(--space-5); margin: var(--space-6) 0; }
    .callout-title { font-size: var(--text-xs); }
    .callout-content { font-size: var(--text-base); }
}
.katex-display, .katex-inline {
    position: relative;
}

.katex-display {
    display: block;
    width: 100%;
}

.katex-copy-btn {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xwide);
    font-family: var(--font-main);
    background: var(--bg-accent, rgba(30, 30, 35, 0.7));
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--space-1);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-base);
    z-index: 20;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.katex-display:hover .katex-copy-btn,
.katex-inline:hover .katex-copy-btn {
    opacity: 1;
}

.katex-copy-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-main);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
    box-shadow: var(--glow-hover);
}

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

.katex-copy-btn.copied {
    background: var(--accent-sage) !important;
    border-color: var(--accent-sage) !important;
    color: var(--bg-main) !important;
}

/* Specific adjustments for inline math */
.katex-inline .katex-copy-btn {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    margin-right: calc(var(--space-2) * -1);
}

.katex-inline:hover .katex-copy-btn {
    transform: translateY(-60%);
}
/* ============================================
   ZEN UTILITIES - REFINED CONTENT STYLES
   ============================================ */

/* --- Heading Anchor Links --- */
.heading-anchor {
  opacity: 0;
  transition: opacity 0.15s ease;
  text-decoration: none;
  color: var(--accent-primary);
  margin-right: 0.25em;
  font-size: 0.85em;
  font-weight: 400;
}
.heading-anchor:hover {
  opacity: 1 !important;
  color: var(--accent-hover);
}
h1:hover .heading-anchor,
h2:hover .heading-anchor,
h3:hover .heading-anchor,
h4:hover .heading-anchor,
h5:hover .heading-anchor,
h6:hover .heading-anchor {
  opacity: 0.6;
}

/* --- Blockquotes & Pull Quotes --- */
blockquote p:last-child {
    margin-bottom: 0;
}

.pull-quote {
    margin: var(--space-12) auto;
    padding: var(--space-8) 0;
    border-top: 1px solid var(--accent-border);
    border-bottom: 1px solid var(--accent-border);
    text-align: center;
    max-width: 80%;
}

.pull-quote p {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    line-height: var(--leading-tight);
    color: var(--h1-color);
    margin: 0;
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--tracking-tight);
}

.pull-quote cite {
    display: block;
    margin-top: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
    color: var(--accent-primary);
}

/* --- Editorial Imagery & Captions (Enhanced) --- */
.content-body figure {
    margin: var(--space-12) auto;
    text-align: center;
    width: 100%;
}

.content-body figure img {
    margin: 0 auto !important;
    display: block !important;
    max-width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--glow-hover);
    cursor: zoom-in;
    transition: all var(--transition-base);
}

.content-body figure img:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}

.content-body figcaption::before {
    content: "▴ ";
    color: var(--accent-primary);
    font-weight: bold;
}

/* --- Lists (Incremental Indentation) --- */
.content-body ul ul,
.content-body ol ol,
.content-body ul ol,
.content-body ol ul {
    margin: var(--space-2) 0;
    padding-left: var(--space-6);
}

/* --- Zen Ledgers (Table Enhancements) --- */
.content-body tr:last-child td {
    border-bottom: none;
}

.content-body tr:hover td {
    background: color-mix(in srgb, var(--bg-card-hover), var(--accent-sage) 3%);
    color: var(--text-main);
}

.content-body a {
    color: var(--accent-link);
    text-decoration: none;
    border-bottom: 2px solid color-mix(in srgb, var(--accent-link), transparent 80%);
    transition: all var(--transition-base);
    padding: 0 1px;
}

.content-body a:hover {
    color: var(--accent-link-hover);
    border-bottom-color: var(--accent-primary);
    background: color-mix(in srgb, var(--accent-primary), transparent 92%);
}

/* --- Tag Pages - Post List Styling --- */
.post-list {
    list-style: none;
    padding: 0;
    margin: var(--space-8) auto;
    max-width: var(--container-max);
}

.post-list li {
    padding: var(--space-8) var(--space-6);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition-base);
    margin-bottom: 0;
    list-style: none !important;
}

.post-list li:hover {
    background: var(--bg-card-hover);
    padding-left: var(--space-8);
}

.post-list .post-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    color: var(--h2-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-base);
    display: block;
    margin-bottom: var(--space-3);
}

.post-list .post-title:hover {
    color: var(--accent-primary);
}

.post-list .post-desc {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-4);
    opacity: 0.9;
}

/* --- Footer & Colophon --- */
.colophon-social {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
}

.colophon-social a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

.colophon-social a:hover {
    color: var(--accent-primary);
}

.social-dot {
    color: var(--border);
    opacity: 0.5;
}

.colophon {
    margin-top: var(--space-8);
    padding: var(--space-6) 0;
    border-top: 1px solid var(--border);
    position: relative;
}

.colophon::before {
    content: "•";
    position: absolute;
    top: calc(var(--space-1) * -1.2);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-body);
    padding: 0 var(--space-4);
    color: var(--accent-primary);
    font-size: var(--text-lg);
}

.colophon-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-6);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .colophon-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .colophon-social {
        justify-content: center;
    }
}

.colophon-title {
    font-family: var(--font-serif);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    color: var(--h1-color);
    letter-spacing: var(--tracking-xwide);
    text-transform: uppercase;
}

.colophon-tagline {
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.colophon-meta {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-align: right;
    margin-top: var(--space-2);
}

.colophon-meta a {
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.colophon-meta a:hover {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* Scholar's Seal (Chop) */
.scholar-seal {
    color: var(--accent-warm);
    opacity: 0.6;
    transition: all var(--transition-base);
    cursor: help;
    padding: 0 var(--space-4);
}

.scholar-seal:hover {
    opacity: 1;
    transform: translateY(-2px);
    color: var(--accent-gold);
    filter: drop-shadow(0 0 8px var(--accent-gold));
}

/* Whisper Footnotes */
.footnotes {
    border-top: 1px solid var(--border);
    margin-top: var(--space-12);
    padding-top: var(--space-6);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.footnotes hr {
    display: none;
}

.footnote-ref a {
    color: var(--accent-indigo);
    font-size: var(--text-xs);
    vertical-align: super;
    text-decoration: none;
}

.footnote-backref {
    color: var(--accent-indigo);
    text-decoration: none;
    font-family: var(--font-mono);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-5);
    margin-top: var(--space-10);
    padding: var(--space-6) 0;
}

.pagination-btn {
    padding: var(--space-3) var(--space-7);
    border-radius: 99px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-xxwide);
    transition: all var(--transition-base);
    font-family: var(--font-mono);
}

.pagination-btn:hover:not(.disabled) {
    border-color: var(--accent-primary);
    color: var(--h1-color);
    background: color-mix(in srgb, var(--bg-card-hover), var(--accent-sage) 5%);
    box-shadow: var(--glow-hover);
    transform: translateY(-2px);
}

.pagination-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: var(--space-9);
    height: var(--space-9);
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    color: var(--h1-color);
    border-color: var(--accent-primary);
    background: color-mix(in srgb, var(--bg-card-hover), var(--accent-sage) 5%);
    box-shadow: var(--glow-hover);
    transform: translateY(-5px);
}

/* Search Highlight on Target Page */
.search-highlight {
    background: var(--accent-gold);
    color: var(--text-main);
    padding: 1px 3px;
    border-radius: 2px;
    transition: opacity 0.5s ease;
}

.search-highlight.fade-out {
    opacity: 0;
}

/* --- Footer --- */
footer {
    text-align: center;
    margin-top: var(--space-8);
    padding: var(--space-6) 0;
    width: 100%;
    color: var(--text-muted);
    font-size: var(--text-xs);
    border-top: 1px solid var(--border);
    font-family: var(--font-mono);
}