/**
 * PolicyBox Reader styles — part 5/7: Navigation type badges, visualization containers, tables, charts, timelines, progress indicator.
 * Split from reader.css (2026-06). Load order matters (cascade);
 * link tags in layouts/policy_reader.html preserve the original order.
 */

/* =============================================================================
   NAVIGATION TYPE BADGES
   Category-based navigation: Go Deeper, Related, Pull Back, Why?
   ============================================================================= */

/* Navigation Type Badge - replaces numeric badge */
.next-step-type {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    transition: all var(--transition-fast);
    min-width: 70px;
}

/* Type-specific colors - Deeper (Blue) */
.next-step-type[data-nav-type="deeper"] {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Type-specific colors - Pivot/Related (Amber) */
.next-step-type[data-nav-type="pivot"] {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Type-specific colors - Broader/Pull Back (Green) */
.next-step-type[data-nav-type="broader"] {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Type-specific colors - Meta/Why? (Purple) */
.next-step-type[data-nav-type="meta"] {
    background: rgba(139, 92, 246, 0.1);
    color: #7c3aed;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

/* Type-specific colors - Explore (Cyan/Teal) - for entry/orientation nodes */
.next-step-type[data-nav-type="explore"] {
    background: rgba(6, 182, 212, 0.1);
    color: #0891b2;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

/* Type-specific colors - Expert Insight (Rose/Pink) - for expert commentary */
.next-step-type[data-nav-type="expert_insight"] {
    background: rgba(236, 72, 153, 0.1);
    color: #db2777;
    border: 1px solid rgba(236, 72, 153, 0.3);
}

/* Type-specific colors - Sequential (Indigo) - for linear reading order */
.next-step-type[data-nav-type="sequential"] {
    background: rgba(99, 102, 241, 0.1);
    color: #4f46e5;
    border: 1px solid rgba(99, 102, 241, 0.3);
}


/* Card left border accent based on type */
.next-step-card[data-nav-type="deeper"] {
    border-left: 3px solid #3b82f6;
}

.next-step-card[data-nav-type="pivot"] {
    border-left: 3px solid #f59e0b;
}

.next-step-card[data-nav-type="broader"] {
    border-left: 3px solid #10b981;
}

.next-step-card[data-nav-type="meta"] {
    border-left: 3px solid #8b5cf6;
}

.next-step-card[data-nav-type="explore"] {
    border-left: 3px solid #06b6d4;
}

.next-step-card[data-nav-type="expert_insight"] {
    border-left: 3px solid #ec4899;
}

.next-step-card[data-nav-type="sequential"] {
    border-left: 3px solid #6366f1;
}

/* Hover states - badge fills with color */
.next-step-card:hover .next-step-type[data-nav-type="deeper"] {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.next-step-card:hover .next-step-type[data-nav-type="pivot"] {
    background: #f59e0b;
    color: white;
    border-color: #f59e0b;
}

.next-step-card:hover .next-step-type[data-nav-type="broader"] {
    background: #10b981;
    color: white;
    border-color: #10b981;
}

.next-step-card:hover .next-step-type[data-nav-type="meta"] {
    background: #8b5cf6;
    color: white;
    border-color: #8b5cf6;
}

.next-step-card:hover .next-step-type[data-nav-type="explore"] {
    background: #06b6d4;
    color: white;
    border-color: #06b6d4;
}

.next-step-card:hover .next-step-type[data-nav-type="expert_insight"] {
    background: #ec4899;
    color: white;
    border-color: #ec4899;
}


.next-step-card:hover .next-step-type[data-nav-type="sequential"] {
    background: #6366f1;
    color: white;
    border-color: #6366f1;
}

/* Dark theme adjustments */
[data-theme="dark"] .next-step-type[data-nav-type="deeper"] {
    background: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .next-step-type[data-nav-type="pivot"] {
    background: rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .next-step-type[data-nav-type="broader"] {
    background: rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] .next-step-type[data-nav-type="meta"] {
    background: rgba(139, 92, 246, 0.2);
}

[data-theme="dark"] .next-step-type[data-nav-type="explore"] {
    background: rgba(6, 182, 212, 0.2);
}

[data-theme="dark"] .next-step-type[data-nav-type="expert_insight"] {
    background: rgba(236, 72, 153, 0.2);
}

[data-theme="dark"] .next-step-type[data-nav-type="sequential"] {
    background: rgba(99, 102, 241, 0.2);
}

/* Sepia theme adjustments */
[data-theme="sepia"] .next-step-type[data-nav-type="deeper"] {
    background: rgba(59, 130, 246, 0.15);
}

[data-theme="sepia"] .next-step-type[data-nav-type="pivot"] {
    background: rgba(245, 158, 11, 0.15);
}

[data-theme="sepia"] .next-step-type[data-nav-type="broader"] {
    background: rgba(16, 185, 129, 0.15);
}

[data-theme="sepia"] .next-step-type[data-nav-type="meta"] {
    background: rgba(139, 92, 246, 0.15);
}

[data-theme="sepia"] .next-step-type[data-nav-type="explore"] {
    background: rgba(6, 182, 212, 0.15);
}

[data-theme="sepia"] .next-step-type[data-nav-type="expert_insight"] {
    background: rgba(236, 72, 153, 0.15);
}

[data-theme="sepia"] .next-step-type[data-nav-type="sequential"] {
    background: rgba(99, 102, 241, 0.15);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .next-step-type {
        padding: 0.2rem 0.375rem;
        font-size: 0.625rem;
        min-width: 60px;
    }
}


/* Per-author accent colors (used by author chat sidebar) */
.author-truth { --author-accent-color: #7B4B94; }
.author-douglass { --author-accent-color: #8B4513; }
.author-lincoln { --author-accent-color: #2F4F4F; }
.author-washington { --author-accent-color: #556B2F; }
.author-dubois { --author-accent-color: #191970; }
.author-warren { --author-accent-color: #8B0000; }


/* =============================================================================
   VISUALIZATION CONTAINERS
   Interactive charts, tables, and timelines from LLM responses
   ============================================================================= */

/* Placeholder while loading */
.viz-placeholder {
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    margin: 1.5rem 0;
}

.viz-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.viz-loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Main visualization container */
.viz-container {
    margin: 1.5rem 0;
    background: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

.viz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border-light);
}

.viz-title {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.viz-controls {
    display: flex;
    gap: 0.5rem;
}

.viz-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.viz-btn:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.viz-btn svg {
    width: 16px;
    height: 16px;
}

.viz-footer {
    padding: 0.5rem 1rem;
    border-top: 1px solid var(--color-border-light);
    background: var(--color-bg-tertiary);
}

.viz-source {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-style: italic;
    color: var(--color-text-tertiary);
}

/* ===========================
   Data Tables
   =========================== */

.viz-table .table-wrapper {
    overflow-x: auto;
    max-height: 400px;
    overflow-y: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-sans);
    font-size: 0.875rem;
}

.data-table th,
.data-table td {
    padding: 0.625rem 0.875rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.data-table th {
    position: sticky;
    top: 0;
    background: var(--color-bg-tertiary);
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    z-index: 1;
}

.data-table tbody tr:hover {
    background: var(--color-bg-tertiary);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Sortable table columns */
.data-table.sortable th {
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
}

.data-table.sortable th:hover {
    background: var(--color-bg-secondary);
}

.data-table.sortable th::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 0.5rem;
    opacity: 0.3;
    vertical-align: middle;
}

.data-table.sortable th.sorted-asc::after {
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 5px solid var(--color-accent);
    opacity: 1;
}

.data-table.sortable th.sorted-desc::after {
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--color-accent);
    opacity: 1;
}

/* ===========================
   Charts (Chart.js)
   =========================== */

.viz-chart .chart-wrapper {
    position: relative;
    height: 300px;
    padding: 1rem;
}

.viz-chart .chart-wrapper canvas {
    max-height: 100%;
}

/* ===========================
   Timelines
   =========================== */

.viz-timeline .timeline-wrapper {
    position: relative;
    padding: 1.5rem 1rem;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 1rem;
    bottom: 1rem;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.timeline-event {
    position: relative;
    width: calc(50% - 2rem);
    margin-bottom: 1.5rem;
}

.timeline-event.left {
    margin-right: auto;
    padding-right: 2rem;
    text-align: right;
}

.timeline-event.right {
    margin-left: auto;
    padding-left: 2rem;
    text-align: left;
}

.timeline-marker {
    position: absolute;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border: 2px solid var(--color-bg-secondary);
    border-radius: 50%;
    z-index: 1;
}

.timeline-event.left .timeline-marker {
    right: -6px;
}

.timeline-event.right .timeline-marker {
    left: -6px;
}

.timeline-content {
    background: var(--color-bg-tertiary);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--color-border-light);
}

.timeline-date {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.375rem;
}

.timeline-event-title {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 0.375rem 0;
}

.timeline-event-description {
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
    margin: 0;
}

/* ===========================
   Comparison Grid
   =========================== */

.viz-comparison .comparison-grid {
    display: grid;
    gap: 1px;
    background: var(--color-border-light);
}

.comparison-header {
    padding: 0.875rem;
    background: var(--color-bg-tertiary);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    text-align: center;
}

.comparison-cell {
    padding: 0.875rem;
    background: var(--color-bg-primary);
    font-size: 0.8125rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

/* ===========================
   Fallback & Error States
   =========================== */

.viz-fallback .viz-fallback-content,
.viz-error .viz-error-content {
    padding: 1rem;
}

.viz-fallback details {
    margin-top: 0.75rem;
}

.viz-fallback summary {
    cursor: pointer;
    color: var(--color-accent);
    font-size: 0.8125rem;
}

.viz-fallback pre {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    font-size: 0.75rem;
    overflow-x: auto;
}

.viz-error {
    border-color: #ef4444;
}

.viz-error .viz-header {
    background: #fef2f2;
    border-color: #fecaca;
}

.viz-error .viz-title {
    color: #dc2626;
}

.viz-error-content {
    color: #dc2626;
    font-size: 0.875rem;
}

/* Dark mode error */
[data-theme="dark"] .viz-error .viz-header {
    background: #450a0a;
    border-color: #7f1d1d;
}

[data-theme="dark"] .viz-error-content {
    color: #fca5a5;
}

/* ===========================
   Mobile Responsive
   =========================== */

@media (max-width: 768px) {
    .viz-container {
        margin: 1rem 0;
    }

    .viz-header {
        padding: 0.625rem 0.875rem;
    }

    .viz-title {
        font-size: 0.875rem;
    }

    /* Timeline: Stack events vertically on mobile */
    .timeline-line {
        left: 1rem;
    }

    .timeline-event,
    .timeline-event.left,
    .timeline-event.right {
        width: calc(100% - 3rem);
        margin-left: 2rem;
        padding-left: 1rem;
        padding-right: 0;
        text-align: left;
    }

    .timeline-event.left .timeline-marker,
    .timeline-event.right .timeline-marker {
        left: -1.5rem;
        right: auto;
    }

    /* Table: Smaller padding */
    .data-table th,
    .data-table td {
        padding: 0.5rem 0.625rem;
        font-size: 0.8125rem;
    }

    /* Chart: Reduced height */
    .viz-chart .chart-wrapper {
        height: 250px;
        padding: 0.75rem;
    }
}

/* ===========================
   Dark Mode Support
   =========================== */

[data-theme="dark"] .viz-placeholder {
    background: #2d2d2d;
    border-color: #404040;
}

[data-theme="dark"] .viz-container {
    background: #1f1f1f;
    border-color: #404040;
}

[data-theme="dark"] .viz-header,
[data-theme="dark"] .viz-footer {
    background: #2d2d2d;
    border-color: #404040;
}

[data-theme="dark"] .data-table th {
    background: #2d2d2d;
}

[data-theme="dark"] .data-table tbody tr:hover {
    background: #2d2d2d;
}

[data-theme="dark"] .timeline-content {
    background: #2d2d2d;
    border-color: #404040;
}

[data-theme="dark"] .comparison-header {
    background: #2d2d2d;
}

[data-theme="dark"] .comparison-cell {
    background: #1f1f1f;
}


/* ===========================
   Progress Indicator
   =========================== */

.progress-indicator {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    cursor: pointer;
    margin-right: var(--spacing-xs);
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    stroke: var(--color-border-light);
}

.progress-ring-fill {
    stroke: var(--color-accent);
    transition: stroke-dashoffset 0.3s ease;
}

.progress-text {
    position: absolute;
    font-size: 9px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.progress-indicator:hover .progress-text {
    color: var(--color-accent);
}