:root {
    --manuscript-ink: #2a1a10;
    --reading-ink: #3a2a1e;
    --parchment-ink: #6a5a4a;
    --vellum: #f5efe0;
    --codex-gold: #b8942e;
    --burgundy: #5a1a28;
    --vine-green: #3a6a3a;
    --margin-gray: #c8bca8;
    --illumination-blue: #2a4a7a;
}

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

body {
    font-family: 'EB Garamond', serif;
    background: var(--vellum);
    color: var(--reading-ink);
    overflow-x: hidden;
}

/* TOC Sidebar */
.toc-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 220px;
    height: 100vh;
    background: var(--vellum);
    border-right: 1px solid var(--margin-gray);
    z-index: 100;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
}

.toc-header {
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--codex-gold);
}

.toc-label {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--manuscript-ink);
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toc-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    padding: 0.4rem 0.5rem;
    font-family: 'EB Garamond', serif;
    font-size: 0.9rem;
    color: var(--parchment-ink);
    transition: color 0.3s ease, padding-left 0.3s ease;
    border-left: 2px solid transparent;
}

.toc-item:hover {
    color: var(--manuscript-ink);
    padding-left: 0.8rem;
}

.toc-item.active {
    color: var(--manuscript-ink);
    border-left-color: var(--codex-gold);
    font-weight: 600;
}

.toc-ornament {
    color: var(--codex-gold);
    font-size: 0.6rem;
}

/* Codex Layout */
.codex {
    margin-left: 220px;
    position: relative;
}

/* Codex Pages */
.codex-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(2rem, 6vw, 6rem);
    position: relative;
}

.page-content {
    max-width: 620px;
    width: 100%;
}

/* Vine Border (Frontispiece) */
.vine-border {
    position: absolute;
    inset: 2rem;
    pointer-events: none;
    opacity: 0.4;
}

.vine-frame {
    width: 100%;
    height: 100%;
}

/* Frontispiece */
.frontispiece-content {
    text-align: center;
}

.illuminated-title {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.frontispiece-content .illuminated-title {
    justify-content: center;
    flex-direction: column;
}

.illuminated-capital {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.title-text {
    text-align: left;
}

.frontispiece-content .title-text {
    text-align: center;
}

.codex-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--manuscript-ink);
    line-height: 1.2;
}

.codex-subtitle {
    font-family: 'EB Garamond', serif;
    font-size: 1rem;
    font-weight: 400;
    font-style: italic;
    color: var(--parchment-ink);
    margin-top: 0.3rem;
}

.fleuron {
    font-size: 1.5rem;
    color: var(--codex-gold);
    margin: 1.5rem 0;
    opacity: 0.6;
    text-align: center;
}

.frontispiece-text {
    font-family: 'EB Garamond', serif;
    font-size: 1.05rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--reading-ink);
    max-width: 480px;
    margin: 0 auto;
}

/* Entry Pages */
.entry-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.entry-title-block {
    flex: 1;
}

.entry-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--manuscript-ink);
}

.entry-etymology {
    font-family: 'EB Garamond', serif;
    font-size: 0.85rem;
    font-style: italic;
    color: var(--parchment-ink);
    display: block;
    margin-top: 0.25rem;
}

/* Entry Body */
.entry-body {
    column-count: 1;
}

.entry-text {
    font-family: 'EB Garamond', serif;
    font-size: clamp(0.95rem, 1.3vw, 1.08rem);
    font-weight: 400;
    line-height: 1.82;
    color: var(--reading-ink);
    margin-bottom: 1rem;
    text-align: justify;
    hyphens: auto;
}

.drop-cap {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3.2rem;
    font-weight: 700;
    float: left;
    line-height: 0.8;
    margin-right: 0.15rem;
    margin-top: 0.1rem;
    color: var(--manuscript-ink);
}

/* Marginalia */
.marginalia {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-left: 2px solid var(--codex-gold);
    background: rgba(184, 148, 46, 0.05);
}

.marginalia-mark {
    font-size: 0.8rem;
    color: var(--codex-gold);
    margin-right: 0.3rem;
}

.marginalia-text {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    color: var(--parchment-ink);
    font-style: italic;
}

/* Reference Block */
.reference-block {
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    border: 1px solid var(--margin-gray);
    background: rgba(200, 188, 168, 0.1);
}

.ref-heading {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--manuscript-ink);
    margin-bottom: 0.5rem;
    letter-spacing: 0.06em;
}

.ref-list {
    list-style: none;
    padding: 0;
}

.ref-list li {
    font-family: 'EB Garamond', serif;
    font-size: 0.9rem;
    color: var(--parchment-ink);
    padding: 0.25rem 0;
    border-bottom: 1px dotted var(--margin-gray);
}

.ref-list li::before {
    content: '\2766 ';
    color: var(--codex-gold);
    font-size: 0.7rem;
}

/* Colophon */
.colophon-content {
    text-align: center;
}

.colophon-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--manuscript-ink);
    margin-bottom: 1rem;
}

.colophon-text {
    font-family: 'EB Garamond', serif;
    font-size: 0.9rem;
    font-style: italic;
    line-height: 1.7;
    color: var(--parchment-ink);
    max-width: 440px;
    margin: 0 auto;
}

.colophon-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.meta-item {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--parchment-ink);
}

.meta-sep {
    color: var(--codex-gold);
}

/* Reveal Animation */
.page-content > * {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.codex-page.visible .page-content > * {
    opacity: 1;
    transform: translateY(0);
}

.codex-page.visible .page-content > *:nth-child(1) { transition-delay: 0.1s; }
.codex-page.visible .page-content > *:nth-child(2) { transition-delay: 0.2s; }
.codex-page.visible .page-content > *:nth-child(3) { transition-delay: 0.3s; }
.codex-page.visible .page-content > *:nth-child(4) { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
    .toc-sidebar {
        display: none;
    }

    .codex {
        margin-left: 0;
    }

    .codex-page {
        padding: 2rem 1.5rem;
    }

    .entry-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .illuminated-title {
        flex-direction: column;
        text-align: center;
    }

    .title-text {
        text-align: center;
    }
}