/* ==========================================================================
   ATLAS OBSCURA GRAPHICA — ARCHIVAL & PROGRESSIVELY MINIMALIST DESIGN SYSTEM
   Compendium of Epistemic Diagrams, Philosophical Topologies & Visual Calculi
   ========================================================================== */

:root {
    --bg-paper: #f6f2e9;
    --bg-paper-dark: #ebe4d5;
    --bg-card: #fbf8f1;
    --bg-stage: #fdfbf7;
    --bg-nocturnal: #191613;
    --bg-nocturnal-card: #211d19;
    --ink-primary: #2b241f;
    --ink-secondary: #5c5246;
    --ink-muted: #8c8070;
    --ink-ivory: #f4efe6;
    --accent-rust: #9e3b22;
    --accent-rust-light: #f4e8e4;
    --accent-teal: #2a5a5b;
    --accent-teal-light: #e6f0f0;
    --accent-ochre: #c88a2d;
    --accent-ochre-light: #f9f2e6;
    --border-color: #d8cebe;
    --border-dark: #a69885;
    --shadow-paper: 3px 4px 12px rgba(43, 36, 31, 0.08), 1px 1px 3px rgba(43, 36, 31, 0.05);
    --shadow-elevated: 6px 12px 28px rgba(43, 36, 31, 0.14), 2px 3px 6px rgba(43, 36, 31, 0.08);
    --font-serif: "Georgia", "Garamond", "Baskerville", "Times New Roman", serif;
    --font-mono: "Courier New", Courier, "JetBrains Mono", monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* --- BASE RESET & PAPER TEXTURE --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-paper);
    color: var(--ink-primary);
    font-family: var(--font-serif);
    line-height: 1.62;
    font-size: 16px;
    background-image:
        radial-gradient(rgba(140, 128, 112, 0.15) 0.75px, transparent 0.75px),
        radial-gradient(rgba(140, 128, 112, 0.1) 0.75px, var(--bg-paper) 0.75px);
    background-size: 30px 30px;
    background-position: 0 0, 15px 15px;
    padding-bottom: 96px;
    overflow-x: hidden;
}

/* Paper Grain Overlay Filter */
.paper-grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 999;
    opacity: 0.24;
    mix-blend-mode: multiply;
}

/* --- TYPOGRAPHY & UTILITIES --- */
h1, h2, h3, h4, h5 {
    font-family: var(--font-serif);
    font-weight: normal;
    color: var(--ink-primary);
    letter-spacing: -0.01em;
}

.small-caps {
    font-variant: small-caps;
    letter-spacing: 0.08em;
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.86em;
}

.container {
    max-width: 1340px;
    margin: 0 auto;
    padding: 0 28px;
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }
}

/* --- MASTHEAD / HEADER --- */
.masthead {
    border-bottom: 3px double var(--border-dark);
    padding: 20px 0 14px 0;
    margin-bottom: 32px;
    background-color: rgba(246, 242, 233, 0.92);
    backdrop-filter: blur(6px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 14px;
    font-size: 0.82rem;
    color: var(--ink-secondary);
    flex-wrap: wrap;
    gap: 8px;
}

.top-banner-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.masthead-title-wrap {
    text-align: center;
    position: relative;
    padding: 4px 0;
}

.masthead-title {
    font-size: clamp(1.9rem, 4vw, 2.85rem);
    text-transform: uppercase;
    letter-spacing: 0.13em;
    font-weight: 700;
    color: var(--ink-primary);
    line-height: 1.08;
    margin-bottom: 6px;
    text-shadow: 1px 1px 0px rgba(255, 255, 255, 0.8);
}

.masthead-subtitle {
    font-style: italic;
    color: var(--ink-secondary);
    font-size: 1.02rem;
    max-width: 820px;
    margin: 0 auto;
    line-height: 1.45;
}

.ornament-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin: 10px 0 2px 0;
    color: var(--ink-muted);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
}

.ornament-line::before,
.ornament-line::after {
    content: "";
    height: 1px;
    flex: 1;
    background: linear-gradient(to right, transparent, var(--border-dark), transparent);
    max-width: 260px;
}

/* --- HERO: FEATURED PLATE / CURIOSITY OF THE DAY --- */
.hero-curiosity {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    outline: 4px solid var(--bg-card);
    box-shadow: var(--shadow-paper);
    border-radius: 2px;
    margin-bottom: 40px;
    overflow: hidden;
    position: relative;
}

.hero-header-bar {
    background-color: var(--ink-primary);
    color: var(--bg-paper);
    padding: 9px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-badge {
    background-color: var(--accent-rust);
    color: #fff;
    padding: 3px 10px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    font-weight: bold;
    border-radius: 1px;
}

.hero-nav-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-nav-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(216, 206, 190, 0.35);
    color: var(--bg-paper);
    padding: 3px 10px;
    font-family: var(--font-serif);
    font-size: 0.76rem;
    cursor: pointer;
    transition: all 0.18s ease;
    border-radius: 1px;
}

.hero-nav-btn:hover {
    background: var(--accent-rust);
    border-color: var(--accent-rust);
    color: #fff;
}

.hero-select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(216, 206, 190, 0.35);
    color: var(--bg-paper);
    padding: 3px 8px;
    font-family: var(--font-serif);
    font-size: 0.78rem;
    max-width: 240px;
    cursor: pointer;
}

.hero-select option {
    background: var(--ink-primary);
    color: var(--bg-paper);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 32px;
    padding: 30px 32px;
}

@media (max-width: 980px) {
    .hero-content {
        grid-template-columns: 1fr;
        padding: 20px;
    }
}

.hero-visual-frame {
    background-color: var(--bg-stage);
    border: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 320px;
    box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.03);
    transition: background-color 0.25s ease;
}

.hero-visual-frame.nocturnal-stage {
    background-color: var(--bg-nocturnal);
    border-color: #3a332c;
}

.hero-visual-frame svg {
    max-width: 100%;
    max-height: 310px;
    width: 100%;
    height: auto;
}

.hero-caption {
    margin-top: 14px;
    font-size: 0.8rem;
    color: var(--ink-muted);
    font-style: italic;
    text-align: center;
    border-top: 1px dashed var(--border-color);
    padding-top: 8px;
    width: 100%;
}

.hero-visual-frame.nocturnal-stage .hero-caption {
    color: #a99c8d;
    border-top-color: #3a332c;
}

.hero-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hero-meta {
    font-size: 0.82rem;
    color: var(--accent-teal);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.hero-title {
    font-size: 2rem;
    line-height: 1.18;
    color: var(--ink-primary);
    margin-bottom: 6px;
}

.hero-origin {
    font-size: 0.9rem;
    color: var(--ink-muted);
    font-style: italic;
    margin-bottom: 14px;
}

.hero-axiom {
    font-size: 0.88rem;
    font-style: italic;
    color: var(--ink-primary);
    background-color: var(--bg-paper);
    border-left: 2px solid var(--accent-rust);
    padding: 8px 12px;
    margin-bottom: 14px;
}

.hero-blurb {
    font-size: 0.98rem;
    color: var(--ink-secondary);
    margin-bottom: 16px;
    text-align: justify;
    line-height: 1.6;
}

.use-case-box {
    background-color: var(--accent-ochre-light);
    border-left: 3px solid var(--accent-ochre);
    padding: 11px 15px;
    margin-bottom: 20px;
    font-size: 0.88rem;
    color: var(--ink-secondary);
}

.use-case-box strong {
    color: var(--ink-primary);
    display: block;
    margin-bottom: 2px;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Dynamic Triad Action Buttons */
.action-triad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
}

.btn-action {
    background-color: var(--bg-paper);
    border: 1px solid var(--border-dark);
    color: var(--ink-primary);
    padding: 9px 10px;
    font-family: var(--font-serif);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.18s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    text-decoration: none;
    box-shadow: 2px 2px 0px rgba(0, 0, 0, 0.05);
    white-space: nowrap;
}

.btn-action:hover {
    background-color: var(--ink-primary);
    color: var(--bg-paper);
    border-color: var(--ink-primary);
    box-shadow: 3px 3px 0px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

/* --- CONTROL BAR, TAXONOMY FILTERS & VIEW MODES --- */
.controls-section {
    margin-bottom: 28px;
    border-top: 1px solid var(--border-color);
    border-bottom: 2px solid var(--border-dark);
    padding: 14px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.controls-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 7px;
    flex-wrap: wrap;
}

.filter-label {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--ink-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-right: 4px;
}

.filter-chip {
    background: rgba(251, 248, 241, 0.7);
    border: 1px solid var(--border-color);
    padding: 5px 12px;
    font-size: 0.8rem;
    font-family: var(--font-serif);
    color: var(--ink-primary);
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.18s ease;
}

.filter-chip:hover {
    border-color: var(--ink-primary);
    background-color: var(--bg-paper-dark);
}

.filter-chip.active {
    background-color: var(--ink-primary);
    color: var(--bg-paper);
    border-color: var(--ink-primary);
}

.controls-bottom-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 8px;
    border-top: 1px dashed var(--border-color);
}

.search-box-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    max-width: 420px;
}

.search-input {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid var(--border-dark);
    background-color: var(--bg-card);
    font-family: var(--font-serif);
    font-size: 0.86rem;
    color: var(--ink-primary);
    border-radius: 1px;
}

.search-input:focus {
    outline: 1px solid var(--accent-rust);
    border-color: var(--accent-rust);
}

.view-mode-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.view-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    font-family: var(--font-serif);
    font-size: 0.78rem;
    color: var(--ink-secondary);
    cursor: pointer;
    transition: all 0.18s;
}

.view-btn.active,
.view-btn:hover {
    background-color: var(--accent-teal);
    color: #fff;
    border-color: var(--accent-teal);
}

.status-count {
    font-size: 0.83rem;
    color: var(--ink-muted);
    font-style: italic;
}

/* --- GALLERY GRID & MOLD ARCHETYPES --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(365px, 1fr));
    gap: 28px;
    margin-bottom: 64px;
    grid-auto-flow: dense;
}

@media (max-width: 780px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

.editorial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    box-shadow: var(--shadow-paper);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.editorial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-elevated);
    border-color: var(--border-dark);
}

/* MOLD VARIATION 1: Double-Wide Treatise Plate (Breaks standard single-column mold) */
.editorial-card.mold-wide {
    grid-column: span 2;
    background: linear-gradient(180deg, #fcfaf4 0%, #f7f2e7 100%);
    border: 1px solid var(--border-dark);
    outline: 3px solid var(--bg-card);
}

@media (max-width: 900px) {
    .editorial-card.mold-wide {
        grid-column: span 1;
    }
}

.editorial-card.mold-wide .card-wide-inner {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 24px;
    align-items: stretch;
}

@media (max-width: 780px) {
    .editorial-card.mold-wide .card-wide-inner {
        grid-template-columns: 1fr;
    }
}

.editorial-card.mold-wide .card-visual-preview {
    height: 255px;
    margin: 0;
}

/* MOLD VARIATION 2: Nocturnal / Camera Obscura Metaphysical Plate */
.editorial-card.mold-nocturnal {
    background-color: var(--bg-nocturnal-card);
    color: var(--ink-ivory);
    border-color: #3d352e;
}

.editorial-card.mold-nocturnal .card-title {
    color: var(--ink-ivory);
}

.editorial-card.mold-nocturnal .card-category {
    color: #e09f5a;
}

.editorial-card.mold-nocturnal .card-origin {
    color: #a89b8c;
}

.editorial-card.mold-nocturnal .card-blurb {
    color: #d6cbbd;
}

.editorial-card.mold-nocturnal .card-visual-preview {
    background-color: var(--bg-nocturnal);
    border-color: #3d352e;
}

.editorial-card.mold-nocturnal .card-use-case {
    background-color: #161310;
    color: #c9bda0;
    border-left-color: var(--accent-ochre);
}

.editorial-card.mold-nocturnal .btn-action {
    background-color: #2b2520;
    color: var(--ink-ivory);
    border-color: #4a4037;
}

.editorial-card.mold-nocturnal .btn-action:hover {
    background-color: var(--accent-ochre);
    color: #191613;
    border-color: var(--accent-ochre);
}

.editorial-card.mold-nocturnal .plate-tag {
    background-color: #2d2722;
    color: #c8b9a6;
    border-color: #463d34;
}

/* MOLD VARIATION 3: Progressively Minimalist Axiom Plate */
.editorial-card.mold-minimal {
    background-color: #fdfcf9;
    border: 1px solid var(--ink-primary);
    box-shadow: 4px 4px 0px rgba(43, 36, 31, 0.9);
}

.editorial-card.mold-minimal .card-visual-preview {
    background-color: #ffffff;
    border: 1px solid #dcd5c9;
}

/* Card Internal Elements */
.card-top-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    gap: 8px;
}

.card-plate-num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--ink-muted);
    padding: 1px 6px;
    border: 1px solid var(--border-color);
}

.card-pin-btn {
    background: transparent;
    border: none;
    color: var(--ink-muted);
    font-family: var(--font-serif);
    font-size: 0.74rem;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.card-pin-btn:hover {
    color: var(--accent-rust);
}

.card-header {
    margin-bottom: 10px;
}

.card-category {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--accent-rust);
    font-weight: bold;
    display: block;
    margin-bottom: 3px;
}

.card-title {
    font-size: 1.38rem;
    line-height: 1.22;
    margin-bottom: 4px;
}

.card-origin {
    font-size: 0.81rem;
    color: var(--ink-muted);
    font-style: italic;
}

.card-visual-preview {
    background-color: var(--bg-stage);
    border: 1px solid var(--border-color);
    height: 210px;
    margin: 12px 0 14px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.card-visual-preview svg {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.card-axiom-quote {
    font-size: 0.82rem;
    font-style: italic;
    color: var(--ink-primary);
    background-color: rgba(235, 228, 213, 0.55);
    border-left: 2px solid var(--accent-rust);
    padding: 6px 10px;
    margin-bottom: 12px;
    line-height: 1.45;
}

.editorial-card.mold-nocturnal .card-axiom-quote {
    background-color: rgba(255, 255, 255, 0.05);
    color: #e6dccf;
    border-left-color: var(--accent-ochre);
}

.card-blurb {
    font-size: 0.91rem;
    color: var(--ink-secondary);
    margin-bottom: 14px;
    line-height: 1.54;
    flex-grow: 1;
}

.card-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 12px;
}

.plate-tag {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    background-color: var(--bg-paper);
    color: var(--ink-secondary);
    border: 1px solid var(--border-color);
    padding: 1px 6px;
    border-radius: 1px;
}

.card-use-case {
    background-color: var(--bg-paper);
    padding: 8px 11px;
    border-radius: 2px;
    font-size: 0.79rem;
    color: var(--ink-secondary);
    border-left: 2px solid var(--accent-teal);
    margin-bottom: 16px;
    line-height: 1.45;
}

/* --- VIEW MODE 2: MINIMALIST PLATE ATLAS --- */
.gallery-grid.view-minimalist .card-blurb,
.gallery-grid.view-minimalist .card-use-case,
.gallery-grid.view-minimalist .card-tags-row {
    display: none;
}

.gallery-grid.view-minimalist .editorial-card {
    padding: 18px;
}

.gallery-grid.view-minimalist .editorial-card.mold-wide {
    grid-column: span 1;
}

.gallery-grid.view-minimalist .editorial-card.mold-wide .card-wide-inner {
    display: block;
}

.gallery-grid.view-minimalist .card-visual-preview {
    height: 240px;
    margin: 10px 0 12px 0;
}

/* --- VIEW MODE 3: ARCHIVAL LEDGER TABLE --- */
.ledger-view-container {
    display: none;
    margin-bottom: 64px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-dark);
    box-shadow: var(--shadow-paper);
    overflow-x: auto;
}

.ledger-view-container.active {
    display: block;
}

.ledger-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.ledger-table th {
    background-color: var(--ink-primary);
    color: var(--bg-paper);
    text-align: left;
    padding: 10px 14px;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.76rem;
}

.ledger-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--ink-primary);
    vertical-align: middle;
}

.ledger-table tr:hover td {
    background-color: var(--bg-paper-dark);
    cursor: pointer;
}

/* --- MODAL / EXPANDABLE APPARATUS PANEL --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(24, 20, 16, 0.78);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    padding: 18px;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background-color: var(--bg-paper);
    border: 2px solid var(--border-dark);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.42);
    width: 100%;
    max-width: 1120px;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transform: translateY(16px);
    transition: transform 0.25s ease;
}

.modal-overlay.open .modal-container {
    transform: translateY(0);
}

.modal-header {
    background-color: var(--ink-primary);
    color: var(--bg-paper);
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.modal-title-group h3 {
    color: #fff;
    font-size: 1.35rem;
    margin-bottom: 2px;
}

.modal-title-group span {
    color: var(--border-color);
    font-size: 0.82rem;
    font-style: italic;
}

.modal-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-step-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--bg-paper);
    padding: 4px 10px;
    font-family: var(--font-serif);
    font-size: 0.78rem;
    cursor: pointer;
}

.modal-step-btn:hover {
    background: var(--accent-rust);
    border-color: var(--accent-rust);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--bg-paper);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 8px;
}

.modal-nav-tabs {
    display: flex;
    background-color: var(--bg-paper-dark);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    cursor: pointer;
    color: var(--ink-secondary);
    font-weight: bold;
    transition: all 0.18s;
}

.tab-btn.active {
    border-bottom-color: var(--accent-rust);
    color: var(--ink-primary);
    background-color: var(--bg-paper);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex-grow: 1;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Interactive View Panel */
.interactive-stage {
    background-color: var(--bg-stage);
    border: 1px solid var(--border-color);
    padding: 22px;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.025);
}

.interactive-stage.nocturnal-stage {
    background-color: var(--bg-nocturnal);
    border-color: #3d352e;
}

.interactive-stage svg {
    max-width: 100%;
    max-height: 360px;
    width: 100%;
    height: auto;
}

/* Scholarly Exegesis 3-Column Grid */
.exegesis-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

@media (max-width: 860px) {
    .exegesis-grid {
        grid-template-columns: 1fr;
    }
}

.exegesis-col {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 16px;
}

.exegesis-col h4 {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--accent-rust);
    font-weight: bold;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
    margin-bottom: 10px;
}

.exegesis-col p {
    font-size: 0.89rem;
    color: var(--ink-secondary);
    line-height: 1.58;
}

.lineage-links-bar {
    margin-top: 16px;
    padding: 12px 16px;
    background-color: var(--bg-paper-dark);
    border-left: 3px solid var(--accent-teal);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.84rem;
}

.lineage-chip {
    background-color: var(--bg-card);
    border: 1px solid var(--border-dark);
    padding: 3px 10px;
    font-family: var(--font-serif);
    font-size: 0.8rem;
    color: var(--ink-primary);
    cursor: pointer;
    transition: all 0.16s;
}

.lineage-chip:hover {
    background-color: var(--accent-teal);
    color: #fff;
    border-color: var(--accent-teal);
}

/* Script Panel Code Block */
.code-block {
    background-color: #1e1b18;
    color: #f1ebd9;
    padding: 22px;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    line-height: 1.56;
    border-radius: 2px;
    overflow-x: auto;
    position: relative;
    white-space: pre;
    border: 1px solid #3a332c;
}

.code-keyword { color: #e58a7b; }
.code-func { color: #82c0c2; }
.code-string { color: #e2be7d; }
.code-comment { color: #8e8272; font-style: italic; }

.btn-copy {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: #38322c;
    color: #d8cebe;
    border: 1px solid #5c5246;
    padding: 5px 12px;
    font-size: 0.76rem;
    font-family: var(--font-serif);
    cursor: pointer;
    border-radius: 2px;
    z-index: 2;
}

.btn-copy:hover {
    background-color: var(--accent-rust);
    color: #fff;
}

/* Form Generator Builder Panel */
.builder-layout {
    display: grid;
    grid-template-columns: 330px 1fr;
    gap: 24px;
}

@media (max-width: 820px) {
    .builder-layout {
        grid-template-columns: 1fr;
    }
}

.builder-controls {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: bold;
    color: var(--ink-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-val-badge {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--accent-rust);
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 7px 10px;
    border: 1px solid var(--border-dark);
    background-color: #fff;
    font-family: var(--font-serif);
    font-size: 0.88rem;
    color: var(--ink-primary);
}

.form-group input[type="range"] {
    padding: 0;
    accent-color: var(--accent-rust);
    cursor: pointer;
}

.builder-actions-row {
    display: flex;
    gap: 8px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color);
}

/* --- COLOPHON / FOOTER --- */
.colophon {
    border-top: 3px double var(--border-dark);
    padding-top: 32px;
    margin-top: 60px;
    text-align: center;
    font-size: 0.88rem;
    color: var(--ink-secondary);
}

.colophon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 24px;
    text-align: left;
    margin-bottom: 32px;
}

.colophon-section h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    color: var(--accent-rust);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

/* --- FOLIO CHAPTER DIVIDERS (ARCHITECTURAL SALONS FOR 38-PLATE COMPENDIUM) --- */
.folio-chapter-divider {
    grid-column: 1 / -1;
    margin-top: 22px;
    margin-bottom: 4px;
    padding: 18px 24px;
    background: linear-gradient(90deg, var(--bg-paper-dark) 0%, rgba(251, 248, 241, 0.85) 100%);
    border-top: 2px solid var(--ink-primary);
    border-bottom: 1px solid var(--border-dark);
    border-left: 4px solid var(--accent-rust);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 12px;
}

.folio-chapter-divider:first-child {
    margin-top: 0;
}

.folio-chapter-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.folio-numeral {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-rust);
    font-weight: bold;
}

.folio-title {
    font-size: 1.42rem;
    color: var(--ink-primary);
    letter-spacing: 0.02em;
}

.folio-epigraph {
    font-size: 0.88rem;
    font-style: italic;
    color: var(--ink-secondary);
    max-width: 560px;
    text-align: right;
}

@media (max-width: 780px) {
    .folio-epigraph {
        text-align: left;
    }
}

/* --- GLOBAL TOOLTIP --- */
.tooltip {
    position: fixed;
    background: rgba(31, 26, 22, 0.95);
    color: #f7f3ec;
    padding: 7px 12px;
    font-size: 0.78rem;
    pointer-events: none;
    border-radius: 2px;
    border: 1px solid var(--accent-ochre);
    z-index: 2000;
    display: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
    font-family: var(--font-serif);
    max-width: 290px;
    line-height: 1.4;
}