/* Reader Archetype Styles */

.demo-header {
    text-align: center;
    padding: var(--space-lg) var(--space-lg);
    border-bottom: 3px solid var(--color-reader);
    position: relative;
}

.demo-header h1 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-reader);
    margin-bottom: var(--space-xs);
}

.demo-header p {
    font-family: var(--font-mono);
    color: var(--color-ink-muted);
    font-size: 0.9rem;
}

.back-link {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-ink-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--color-reader);
}

/* Reader Layout */

.reader-layout {
    display: grid;
    grid-template-columns: 280px 1fr 260px;
    min-height: calc(100vh - 200px);
    max-width: 1400px;
    margin: 0 auto;
}

/* Sidebar */

.reader-sidebar {
    background: var(--color-paper-dark);
    padding: var(--space-lg);
    border-right: 1px solid rgba(0, 0, 0, 0.08);
}

.reader-sidebar h2 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: var(--space-xs);
    color: var(--color-ink);
}

.sidebar-info {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.letter-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.letter-btn {
    background: var(--color-paper);
    border: 1px solid var(--color-paper-dark);
    border-radius: 6px 2px 8px 4px / 4px 6px 2px 8px;
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}

.letter-btn:hover {
    border-color: var(--color-reader);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.letter-btn.active {
    border-color: var(--color-reader);
    border-left: 3px solid var(--color-reader);
    background: rgba(74, 124, 89, 0.08);
}

.letter-btn .date {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-ink-muted);
}

.letter-btn .preview {
    display: block;
    font-size: 0.85rem;
    color: var(--color-ink);
    margin-top: 2px;
}

/* Timeline Container */

.timeline-container {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.timeline-container h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline {
    position: relative;
    padding: var(--space-md) 0;
}

.timeline-periods {
    position: relative;
    height: 24px;
    margin-bottom: var(--space-sm);
}

.timeline-period {
    position: absolute;
    height: 100%;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--color-ink-muted);
    overflow: hidden;
}

.timeline-period .period-label {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    padding: 0 4px;
}

.timeline-track {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-ink-muted);
    min-width: 35px;
}

.timeline-dots {
    flex: 1;
    position: relative;
    height: 2px;
    background: var(--color-paper-dark);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 1px;
}

.timeline-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--color-paper);
    border: 2px solid var(--color-ink-muted);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    transform: translate(-50%, -50%);
    top: 50%;
}

.timeline-dot:hover,
.timeline-dot.active {
    background: var(--color-reader);
    border-color: var(--color-reader);
    transform: translate(-50%, -50%) scale(1.3);
    z-index: 1;
}

/* Persons Panel */

.persons-panel {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.persons-panel h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.persons-list {
    font-size: 0.85rem;
}

.persons-list dt {
    font-weight: 600;
    color: var(--color-ink);
    margin-top: var(--space-sm);
}

.persons-list dd {
    color: var(--color-ink-muted);
    margin-left: 0;
    font-size: 0.8rem;
}

/* Main Content */

.reader-content {
    padding: var(--space-xl);
    max-width: 700px;
    margin: 0 auto;
}

.letter-header {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-paper-dark);
}

.letter-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.letter-meta .sender,
.letter-meta .recipient {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
}

.letter-meta .arrow {
    color: var(--color-ink-muted);
}

.letter-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-ink-muted);
}

/* Letter Body */

.letter-body {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--color-ink);
}

.letter-body p {
    margin-bottom: var(--space-md);
    text-indent: 1.5em;
}

.letter-body p:first-child,
.letter-body .salutation,
.letter-body .closing,
.letter-body .signature {
    text-indent: 0;
}

.letter-body .salutation {
    margin-bottom: var(--space-lg);
}

.letter-body .closing {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xs);
}

.letter-body .signature {
    font-style: italic;
}

/* Annotations */

.annotation {
    background: rgba(74, 124, 89, 0.15);
    border-bottom: 2px solid var(--color-reader);
    cursor: help;
    padding: 0 2px;
    transition: background 0.2s ease;
}

.annotation:hover {
    background: rgba(74, 124, 89, 0.3);
}

.annotation.highlight {
    animation: highlightPulse 2s ease;
}

@keyframes highlightPulse {
    0%, 100% { background: rgba(74, 124, 89, 0.15); }
    50% { background: rgba(74, 124, 89, 0.5); }
}

.annotation[data-type="historical"] {
    background: rgba(196, 112, 90, 0.15);
    border-bottom-color: var(--color-terracotta);
}

.annotation[data-type="historical"]:hover {
    background: rgba(196, 112, 90, 0.3);
}

.annotation[data-type="context"] {
    background: rgba(123, 104, 166, 0.15);
    border-bottom-color: var(--color-navigator);
}

.annotation[data-type="context"]:hover {
    background: rgba(123, 104, 166, 0.3);
}

/* Letter Footer */

.letter-footer {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-paper-dark);
}

.annotation-panel {
    background: var(--color-paper-dark);
    padding: var(--space-md);
    border-radius: 8px 4px 10px 6px / 4px 8px 6px 10px;
    margin-bottom: var(--space-lg);
    min-height: 80px;
}

.annotation-panel h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-reader);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.annotation-panel p {
    font-size: 0.9rem;
    color: var(--color-ink-light);
    line-height: 1.6;
}

.annotation-panel.historical {
    border-left: 3px solid var(--color-terracotta);
}

.annotation-panel.context {
    border-left: 3px solid var(--color-navigator);
}

/* References Panel */

.references-panel {
    background: var(--color-paper-dark);
    padding: var(--space-md);
    border-radius: 8px 4px 10px 6px / 4px 8px 6px 10px;
    margin-bottom: var(--space-lg);
    border-left: 3px solid var(--color-ink-muted);
}

.references-panel h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.references-panel ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.references-panel li {
    margin-bottom: var(--space-xs);
}

.reference-link {
    color: var(--color-reader);
    text-decoration: none;
    font-size: 0.9rem;
}

.reference-link:hover {
    text-decoration: underline;
}

/* Annotations List in Context */

.annotations-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.annotation-item {
    padding: var(--space-sm);
    margin-bottom: var(--space-xs);
    background: var(--color-paper-dark);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.annotation-item:hover,
.annotation-item.active {
    background: rgba(74, 124, 89, 0.15);
}

.annotation-type {
    display: inline-block;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 3px;
    margin-right: var(--space-xs);
}

.annotation-type.context {
    background: rgba(123, 104, 166, 0.2);
    color: var(--color-navigator);
}

.annotation-type.historical {
    background: rgba(196, 112, 90, 0.2);
    color: var(--color-terracotta);
}

.annotation-note {
    font-size: 0.8rem;
    color: var(--color-ink-light);
}

.no-annotations {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    font-style: italic;
}

/* Stats List */

.stats-list {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-xs) var(--space-md);
    font-size: 0.85rem;
}

.stats-list dt {
    color: var(--color-ink-muted);
}

.stats-list dd {
    font-family: var(--font-mono);
    color: var(--color-ink);
    font-weight: 600;
    margin: 0;
    text-align: right;
}

/* Period Description */

.period-description {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    font-style: italic;
}

/* Letter Subject */

.letter-subject {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--color-ink);
    margin-top: var(--space-sm);
    font-weight: 600;
}

/* Location styling */

.location-from,
.location-to {
    font-size: 0.9rem;
    color: var(--color-ink-muted);
    font-style: italic;
}

.letter-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.letter-pagination button {
    background: var(--color-paper);
    border: 1px solid var(--color-paper-dark);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.letter-pagination button:hover:not(:disabled) {
    border-color: var(--color-reader);
    color: var(--color-reader);
}

.letter-pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.letter-counter {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-ink-muted);
}

/* Context Sidebar */

.reader-context {
    background: var(--color-paper);
    padding: var(--space-lg);
    border-left: 1px solid rgba(0, 0, 0, 0.08);
}

.reader-context h2 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    margin-bottom: var(--space-lg);
    color: var(--color-ink);
}

.context-section {
    margin-bottom: var(--space-lg);
}

.context-section h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.context-list {
    font-size: 0.9rem;
    line-height: 1.6;
}

.context-list dt {
    font-weight: 600;
    color: var(--color-ink);
    margin-top: var(--space-sm);
}

.context-list dd {
    color: var(--color-ink-light);
    margin-left: 0;
}

.context-list li {
    color: var(--color-ink-light);
    margin-bottom: var(--space-xs);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    background: rgba(74, 124, 89, 0.1);
    color: var(--color-reader);
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* Demo Footer */

.demo-footer {
    background: var(--color-paper-dark);
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.archetype-info h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-reader);
    margin-bottom: var(--space-sm);
}

.archetype-info p {
    font-size: 0.85rem;
    color: var(--color-ink-light);
    margin-bottom: 2px;
}

.back-to-matrix {
    background: var(--color-reader);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background 0.2s ease;
}

.back-to-matrix:hover {
    background: #3d6a4a;
}

/* Responsive */

@media (max-width: 1100px) {
    .reader-layout {
        grid-template-columns: 1fr;
    }

    .reader-sidebar,
    .reader-context {
        border: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    }

    .reader-context {
        order: 3;
    }

    .letter-nav {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .letter-btn {
        flex: 1;
        min-width: 150px;
    }
}

@media (max-width: 600px) {
    .demo-header {
        padding-top: var(--space-xl);
    }

    .back-link {
        position: static;
        transform: none;
        display: block;
        margin-bottom: var(--space-md);
    }

    .demo-footer {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}