/* =============================================
   Architekt — Vintage/Steampunk Design System
   Barvy inspirované sépiovou paletou obrázku
   ============================================= */

:root {
    --color-bg: #1a1510;
    --color-bg-card: #2a2218;
    --color-bg-card-hover: #3a3020;
    --color-text: #d4c5a9;
    --color-text-muted: #8a7e6a;
    --color-accent: #c9a84c;
    --color-accent-glow: rgba(201, 168, 76, 0.4);
    --color-border: #4a3f2f;
    --color-hotspot: #c9a84c;
    --font-heading: 'Cinzel', serif;
    --font-body: 'Crimson Text', serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.6;
}

/* ---- Hub Container ---- */

.hub-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* ---- Header ---- */

.hub-header {
    text-align: center;
    padding: 2rem 0 1.5rem;
}

.hub-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-shadow: 0 0 30px var(--color-accent-glow);
}

.hub-subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: 0.3rem;
    letter-spacing: 0.1em;
}

/* ---- Hero Image with Hotspots ---- */

.hub-hero {
    position: relative;
    margin: 2rem 0;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--color-border);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.hub-image {
    display: block;
    width: 100%;
    height: auto;
    filter: brightness(0.95) contrast(1.05);
    transition: filter 0.5s ease;
}

.hub-hero:hover .hub-image {
    filter: brightness(1) contrast(1.1);
}

.hub-hotspots {
    position: absolute;
    inset: 0;
}

/* ---- Hotspot Points ---- */

.hotspot {
    position: absolute;
    width: 44px;
    height: 44px;
    transform: translate(-50%, -50%);
    cursor: pointer;
    text-decoration: none;
    z-index: 2;
}

.hotspot-pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--color-hotspot);
    opacity: 0.8;
    animation: pulse 2s ease-in-out infinite;
}

.hotspot-pulse::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid var(--color-hotspot);
    opacity: 0.5;
    animation: pulse-ring 2s ease-in-out infinite;
}

.hotspot-label {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-card);
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    white-space: nowrap;
    border: 1px solid var(--color-border);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateX(-50%) translateY(5px);
    pointer-events: none;
}

.hotspot:hover .hotspot-label {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@keyframes pulse {
    0%, 100% { transform: scale(0.4); opacity: 0.8; }
    50% { transform: scale(0.6); opacity: 0.5; }
}

@keyframes pulse-ring {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.5); opacity: 0; }
}

/* ---- Navigation Cards ---- */

.hub-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.nav-card {
    display: block;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.8rem 1.5rem;
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(201, 168, 76, 0.15);
}

.nav-card:hover::before {
    opacity: 1;
}

.nav-card-icon {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    color: var(--color-accent);
}

.nav-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: 0.4rem;
    letter-spacing: 0.05em;
}

.nav-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ---- Module Page Layout ---- */

.module-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.module-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.module-header .back-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 1.5rem;
    transition: color 0.2s;
}

.module-header .back-link:hover {
    color: var(--color-accent);
}

.module-header h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-accent);
    letter-spacing: 0.08em;
}

/* ---- Form Elements ---- */

.calc-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 8px var(--color-accent-glow);
}

.btn {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.7rem 2rem;
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    box-shadow: 0 0 20px var(--color-accent-glow);
}

/* ---- Results Display ---- */

.result-panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem 2rem;
    margin-top: 1.5rem;
    display: none;
}

.result-panel.visible {
    display: block;
    animation: fadeIn 0.3s ease;
}

.result-panel h3 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.result-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
}

.result-detail {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: 0.5rem;
}

/* ---- Loading Spinner ---- */

.loading {
    display: none;
    text-align: center;
    padding: 1rem;
    color: var(--color-text-muted);
}

.loading.visible {
    display: block;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 0.5rem;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* ---- Top Bar & Auth Area ---- */

.hub-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.auth-area {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.auth-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.user-name {
    color: var(--color-text);
}

.btn-sm {
    padding: 0.4rem 1.2rem;
    font-size: 0.75rem;
}

/* ---- Tier Badges ---- */

.tier-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    font-weight: 600;
}

.tier-badge.free {
    background: rgba(138, 126, 106, 0.2);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.tier-badge.pro {
    background: rgba(201, 168, 76, 0.15);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.tier-badge-sm {
    font-size: 0.55rem;
    padding: 0.1rem 0.3rem;
    border-radius: 2px;
    vertical-align: middle;
}

.tier-badge-sm.pro {
    background: rgba(201, 168, 76, 0.2);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

/* ---- Locked Nav Cards ---- */

.nav-card.locked {
    opacity: 0.6;
    position: relative;
}

.nav-card.locked::after {
    content: '\1F512';
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.2rem;
}

/* ---- Hotspot PRO variant ---- */

.hotspot-pro .hotspot-pulse {
    background: #8a6d2a;
}

/* ---- Auth Card ---- */

.auth-card {
    max-width: 440px;
    margin: 0 auto;
}

.auth-error {
    color: #c44;
    font-size: 0.9rem;
    min-height: 1.4rem;
    margin-bottom: 0.8rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--color-text-muted);
}

.auth-footer a {
    color: var(--color-accent);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ---- Profile Page ---- */

.profile-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-border);
}

.profile-row:last-child {
    border-bottom: none;
}

.profile-label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.profile-value {
    color: var(--color-text);
    font-size: 1rem;
}

/* ---- Pricing Section ---- */

.pricing-section {
    margin-top: 2.5rem;
}

.pricing-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-accent);
    text-align: center;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.pricing-desc {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: 2rem;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border-color: var(--color-accent);
    box-shadow: 0 0 20px var(--color-accent-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-bg);
    font-family: var(--font-heading);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.25rem 1rem;
    border-radius: 3px;
}

.pricing-card-header h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.pricing-amount {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--color-accent);
    margin-bottom: 0.3rem;
}

.pricing-amount span {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.pricing-save {
    font-size: 0.85rem;
    color: #6a9;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 1.5rem 0;
}

.pricing-features li {
    padding: 0.4rem 0;
    color: var(--color-text-muted);
    border-bottom: 1px solid rgba(74, 63, 47, 0.5);
}

.pricing-features li::before {
    content: '\2713 ';
    color: var(--color-accent);
    margin-right: 0.5rem;
}

.pricing-card .btn {
    width: 100%;
    margin-top: 0.5rem;
}

/* ---- Paywall Block (access denied) ---- */

.paywall-block {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-top: 2rem;
}

.paywall-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.paywall-block h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.paywall-block p {
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.paywall-block .btn {
    text-decoration: none;
}

/* ---- Footer ---- */

.hub-footer {
    text-align: center;
    padding: 2rem 0 1rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--color-border);
    margin-top: 2rem;
}

/* ---- Responsive ---- */

@media (max-width: 600px) {
    .hub-container {
        padding: 1rem 0.5rem;
    }

    .hub-nav {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .hotspot {
        width: 32px;
        height: 32px;
    }

    .hotspot-label {
        font-size: 0.7rem;
    }

    .calc-form {
        padding: 1.2rem;
    }
}

/* =============================================
   Alexandrijské svitky — Scroll Styles
   ============================================= */

/* ---- List page ---- */

.scroll-list-subtitle {
    text-align: center;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.scroll-category-filter {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.scroll-category-filter .filter-btn {
    padding: 0.3rem 0.8rem;
    border: 1px solid rgba(201,168,76,0.3);
    border-radius: 20px;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    transition: all 0.2s;
}

.scroll-category-filter .filter-btn:hover,
.scroll-category-filter .filter-btn.active {
    background: rgba(201,168,76,0.2);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.scroll-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* ---- Scroll Card (list item) ---- */

.scroll-card {
    display: flex;
    gap: 1.2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.scroll-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity 0.3s;
}

.scroll-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(201,168,76,0.12);
}

.scroll-card:hover::before {
    opacity: 1;
}

.scroll-card-symbol {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 50px;
    text-align: center;
    line-height: 1;
    padding-top: 0.2rem;
}

.scroll-card-body {
    flex: 1;
    min-width: 0;
}

.scroll-card-meta {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.scroll-card-cat {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(201,168,76,0.1);
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    border: 1px solid rgba(201,168,76,0.25);
}

.scroll-card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-accent);
    margin-bottom: 0.4rem;
    letter-spacing: 0.03em;
    line-height: 1.3;
}

.scroll-card-abstract {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: italic;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---- Scroll Detail (article page) ---- */

.scroll-detail {
    animation: fadeIn 0.4s ease;
}

.scroll-header {
    text-align: center;
    padding: 1.5rem 0 2rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 2rem;
}

.scroll-header-symbol {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.scroll-header-title {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 4vw, 2rem);
    color: var(--color-accent);
    letter-spacing: 0.04em;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.scroll-header-subtitle {
    font-style: italic;
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 0.8rem;
}

.scroll-header-meta {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.scroll-tags {
    display: flex;
    gap: 0.4rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 0.8rem;
}

.scroll-tag {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    background: rgba(138,126,106,0.15);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    border: 1px solid rgba(138,126,106,0.2);
}

/* ---- Abstract box ---- */

.scroll-abstract {
    background: linear-gradient(135deg, rgba(201,168,76,0.08), rgba(201,168,76,0.03));
    border: 1px solid rgba(201,168,76,0.2);
    border-radius: 8px;
    padding: 1.2rem 1.5rem;
    margin-bottom: 2rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.6;
}

/* ---- Sections ---- */

.scroll-section {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
}

.scroll-section-heading {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    margin-bottom: 0.8rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid rgba(201,168,76,0.15);
}

.scroll-section-content {
    line-height: 1.7;
    font-size: 1rem;
}

.scroll-section-content p {
    margin-bottom: 0.6rem;
}

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

.scroll-section-content code {
    background: rgba(201,168,76,0.1);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-family: monospace;
    font-size: 0.9em;
    color: var(--color-accent);
}

/* ---- Key Finding ---- */

.scroll-keyfinding {
    background: rgba(201,168,76,0.08);
    border-left: 4px solid var(--color-accent);
    padding: 1rem 1.2rem;
    margin: 1.2rem 0;
    border-radius: 0 6px 6px 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

.scroll-kf-icon {
    color: var(--color-accent);
    margin-right: 0.5rem;
}

/* ---- Data Table ---- */

.scroll-table-wrap {
    margin: 1.2rem 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.scroll-table-caption {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
    opacity: 0.85;
}

.scroll-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.scroll-table th {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: rgba(201,168,76,0.1);
    padding: 0.6rem 0.8rem;
    text-align: left;
    border-bottom: 2px solid rgba(201,168,76,0.3);
}

.scroll-table td {
    padding: 0.5rem 0.8rem;
    border-bottom: 1px solid rgba(201,168,76,0.08);
    color: var(--color-text);
}

.scroll-table tbody tr:hover {
    background: rgba(201,168,76,0.05);
}

/* ---- Figures ---- */

.scroll-figure {
    margin: 1.5rem 0;
    padding: 0;
    text-align: center;
}

.scroll-figure-img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    border: 1px solid rgba(201,168,76,0.15);
    box-shadow: 0 2px 12px rgba(0,0,0,0.25);
    cursor: zoom-in;
    transition: transform 0.2s ease;
}

.scroll-figure-img:hover {
    transform: scale(1.01);
}

.scroll-figure-img.zoomed {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 95vw;
    max-height: 95vh;
    z-index: 9999;
    cursor: zoom-out;
    border: 2px solid var(--color-accent);
    box-shadow: 0 0 60px rgba(0,0,0,0.8);
}

.scroll-figure-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 9998;
}

.scroll-figure-caption {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.6rem;
    line-height: 1.4;
    font-style: italic;
}

/* ---- Charts ---- */

.scroll-chart-wrap {
    margin: 1.5rem 0;
    text-align: center;
}

.scroll-chart-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--color-accent);
    margin-bottom: 0.6rem;
    letter-spacing: 0.03em;
}

.scroll-chart-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 0.6rem;
}

.scroll-chart-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.scroll-chart-legend-color {
    display: inline-block;
    width: 14px;
    height: 3px;
    border-radius: 1px;
}

/* ---- Conclusions ---- */

.scroll-conclusions {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.scroll-conclusions h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.scroll-conclusions p {
    line-height: 1.7;
}

/* ---- References ---- */

.scroll-references {
    margin: 1.5rem 0;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.scroll-references h3 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.scroll-references ol {
    padding-left: 1.5rem;
}

.scroll-references li {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 0.2rem 0;
    line-height: 1.4;
}

/* ---- Related Scrolls ---- */

.scroll-related {
    margin: 1rem 0;
}

.scroll-related h3 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.scroll-related-link {
    display: inline-block;
    color: var(--color-accent);
    text-decoration: none;
    padding: 0.3rem 0.8rem;
    border: 1px solid rgba(201,168,76,0.3);
    border-radius: 4px;
    font-size: 0.85rem;
    margin-right: 0.5rem;
    transition: all 0.2s;
}

.scroll-related-link:hover {
    background: rgba(201,168,76,0.15);
    border-color: var(--color-accent);
}

/* ---- Footer Navigation ---- */

.scroll-footer-nav {
    text-align: center;
    margin: 2.5rem 0 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.scroll-footer-nav .btn {
    text-decoration: none;
}

/* ---- Scroll Level Switcher (L1 / L2 / L3) ---- */

.scroll-level-switcher {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.2rem 0 0.8rem;
    flex-wrap: wrap;
}

/* ---- Level toggle buttons (list page — vault style) ---- */

.scroll-level-toggle {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: 2px solid transparent;
    border-radius: 8px;
    font-family: var(--font-heading, 'Cinzel', serif);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: default;
    transition: all 0.25s ease;
    user-select: none;
    background: transparent;
}

.scroll-level-toggle.active { opacity: 1; }
.scroll-level-toggle.locked { opacity: 0.35; cursor: not-allowed; }
.scroll-level-toggle.locked:hover { opacity: 0.55; }

/* L1 — green */
.scroll-level-toggle[data-level="1"] {
    background: rgba(42,122,75,0.15);
    border-color: #2a7a4b;
    color: #6fca96;
}
.scroll-level-toggle[data-level="1"].active {
    background: rgba(42,122,75,0.35);
    box-shadow: 0 0 12px rgba(42,122,75,0.4);
}

/* L2 — red/gold */
.scroll-level-toggle[data-level="2"] {
    background: rgba(139,0,0,0.15);
    border-color: #8b0000;
    color: #ffd700;
}
.scroll-level-toggle[data-level="2"].active {
    background: rgba(139,0,0,0.35);
    box-shadow: 0 0 12px rgba(139,0,0,0.4);
}

/* L3 — purple */
.scroll-level-toggle[data-level="3"] {
    background: rgba(91,44,139,0.15);
    border-color: #5b2c8b;
    color: #c9a8f0;
}
.scroll-level-toggle[data-level="3"].active {
    background: rgba(91,44,139,0.35);
    box-shadow: 0 0 12px rgba(91,44,139,0.4);
}

.scroll-level-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid currentColor;
    transition: background 0.2s;
}
.scroll-level-toggle.active .scroll-level-dot {
    background: currentColor;
}

.scroll-level-dash {
    opacity: 0.5;
}

.scroll-level-count {
    font-family: var(--font-body, 'Crimson Text', serif);
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.7;
    margin-left: 0.2rem;
}

.scroll-level-lock {
    font-size: 0.7rem;
    margin-left: 0.15rem;
}

.scroll-level-toggle.locked:hover::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-card);
    border: 1px solid currentColor;
    font-family: var(--font-body);
    font-size: 0.72rem;
    padding: 0.35rem 0.65rem;
    border-radius: 4px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

/* ---- Level buttons (detail page — inline) ---- */

.scroll-level-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: default;
    transition: all 0.3s ease;
    position: relative;
}

.scroll-level-btn.active {
    border-color: var(--color-accent);
    background: rgba(201,168,76,0.1);
    color: var(--color-accent);
    cursor: default;
}

.scroll-level-btn.active .scroll-level-label {
    color: var(--color-accent);
    font-weight: 600;
}

.scroll-level-btn.locked {
    opacity: 0.35;
    cursor: not-allowed;
}

.scroll-level-btn.locked:hover {
    opacity: 0.55;
    border-color: rgba(201,168,76,0.3);
}

.scroll-level-btn.locked:hover::after {
    content: attr(title);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-card);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    font-size: 0.72rem;
    padding: 0.35rem 0.65rem;
    border-radius: 4px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.scroll-level-icon {
    font-size: 0.9rem;
}

.scroll-level-label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
}

.scroll-level-name {
    font-size: 0.75rem;
    opacity: 0.7;
}

.scroll-engine-ver {
    font-size: 0.75rem;
    color: var(--color-accent);
    opacity: 0.7;
    border: 1px solid rgba(201,168,76,0.25);
    border-radius: 4px;
    padding: 0.1rem 0.4rem;
}

.scroll-engine-footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 1.5rem;
    padding-top: 0.8rem;
    opacity: 0.5;
    letter-spacing: 0.05em;
}

/* ---- Responsive scrolls ---- */

@media (max-width: 600px) {
    .scroll-card {
        flex-direction: column;
        gap: 0.5rem;
        padding: 1rem;
    }

    .scroll-card-symbol {
        font-size: 2rem;
        width: auto;
    }

    .scroll-header-title {
        font-size: 1.3rem;
    }

    .scroll-keyfinding {
        font-size: 0.95rem;
    }

    .scroll-table {
        font-size: 0.8rem;
    }
}

/* ---- Language Toggle ---- */

.lang-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    background: var(--color-bg-card);
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 0.35rem 0.7rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.lang-toggle:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    box-shadow: 0 0 15px var(--color-accent-glow);
}