/* ============================================
   Coverage AGI Documentation
   Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================
   CSS Custom Properties
   ============================================ */

:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1520;
    --bg-tertiary: #182030;
    --bg-elevated: #1a2535;

    --text-primary: #f0f6ff;
    --text-secondary: #8ba4cc;
    --text-tertiary: #5a7299;

    --accent-primary: #4f8fff;
    --accent-secondary: #00d4aa;
    --accent-gold: #ffc857;

    --border-primary: #1e3a5f;
    --border-secondary: #152540;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Source Serif 4', Georgia, serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --sidebar-width: 280px;
    --content-max-width: 800px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* ============================================
   Sidebar Navigation
   ============================================ */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    padding: 2rem 1.5rem;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-primary);
}

.sidebar-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.sidebar-header .tagline {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section h3 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: 0.75rem;
}

.nav-section ul {
    list-style: none;
}

.nav-section li {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    font-weight: 500;
}

/* ============================================
   Main Content
   ============================================ */

.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 3rem 4rem;
    max-width: calc(var(--content-max-width) + var(--sidebar-width) + 8rem);
}

.section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.section.active {
    display: block;
}

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

/* ============================================
   Typography
   ============================================ */

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.lead {
    font-size: 1.125rem;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

strong {
    color: var(--text-primary);
    font-weight: 600;
}

em {
    font-style: italic;
    color: var(--accent-gold);
}

ul, ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.5rem;
}

blockquote {
    border-left: 3px solid var(--accent-gold);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--text-primary);
    font-style: italic;
}

/* ============================================
   Rubric Overview Cards
   ============================================ */

.rubric-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.rubric-category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.25rem;
}

.rubric-category h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rubric-category .weight {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.rubric-category p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin: 0;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

thead {
    border-top: 2px solid var(--accent-primary);
    border-bottom: 1px solid var(--border-primary);
}

th {
    text-align: left;
    padding: 1rem 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

td {
    padding: 1rem 0.75rem;
    border-bottom: 1px solid var(--border-secondary);
    color: var(--text-secondary);
}

tr:hover td {
    background: var(--bg-secondary);
}

tr.highlight td {
    background: rgba(79, 143, 255, 0.1);
}

.rubric-table td:first-child {
    width: 50px;
    text-align: center;
    font-weight: 600;
    color: var(--accent-primary);
}

/* ============================================
   Callouts
   ============================================ */

.callout {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-left: 3px solid var(--accent-primary);
    border-radius: 6px;
    padding: 1.25rem;
    margin: 1.5rem 0;
}

.callout p {
    margin: 0;
    font-size: 0.9rem;
}

.callout.example {
    border-left-color: var(--accent-secondary);
}

.callout.philosophy {
    border-left-color: var(--accent-gold);
    font-family: var(--font-serif);
}

/* ============================================
   Protocol Diagram
   ============================================ */

.protocol-diagram {
    margin: 2rem 0;
}

.tier {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 0.5rem;
}

.tier-header {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
}

.tier-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tier-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tier-arrow {
    text-align: center;
    color: var(--accent-primary);
    font-size: 1.25rem;
    padding: 0.25rem 0;
}

/* ============================================
   Architecture Cards
   ============================================ */

.architecture-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.architecture-card h2 {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.arch-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge.production {
    background: rgba(79, 143, 255, 0.2);
    color: var(--accent-primary);
}

.badge.premium {
    background: rgba(0, 212, 170, 0.2);
    color: var(--accent-secondary);
}

.badge.triage {
    background: rgba(255, 200, 87, 0.2);
    color: var(--accent-gold);
}

.duration, .quality {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.architecture-card ul {
    margin-bottom: 1rem;
}

/* ============================================
   Deliverables
   ============================================ */

.deliverables-table td:first-child {
    width: 200px;
    white-space: nowrap;
}

.full-coverage-list {
    list-style: decimal;
    padding-left: 1.5rem;
}

.full-coverage-list li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.full-coverage-list strong {
    color: var(--text-primary);
}

.export-formats {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.format {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* ============================================
   Three Questions Cards
   ============================================ */

.question-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.question-card h3 {
    font-size: 1.5rem;
    font-family: var(--font-serif);
    margin-top: 0;
    margin-bottom: 0.25rem;
}

.question-card .capacity {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    display: block;
    margin-bottom: 1rem;
}

.question-card.mechanical {
    border-left: 3px solid var(--accent-primary);
}

.question-card.mechanical .capacity {
    color: var(--accent-primary);
}

.question-card.intuitive {
    border-left: 3px solid var(--accent-secondary);
}

.question-card.intuitive .capacity {
    color: var(--accent-secondary);
}

.question-card.artistic {
    border-left: 3px solid var(--accent-gold);
}

.question-card.artistic .capacity {
    color: var(--accent-gold);
}

/* ============================================
   Four Articulations
   ============================================ */

.articulation {
    margin: 2rem 0;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-secondary);
}

.articulation:last-of-type {
    border-bottom: none;
}

.articulation h2 {
    margin-top: 0;
    margin-bottom: 0.25rem;
}

.articulation-desc {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--accent-gold);
    margin-bottom: 1rem !important;
}

.page-count {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 1rem !important;
}

/* ============================================
   Philosophy Quote
   ============================================ */

.philosophy-quote {
    font-size: 1.5rem;
    text-align: center;
    max-width: 600px;
    margin: 3rem auto;
    border-left: none;
    padding: 0;
}

/* ============================================
   Performance Table
   ============================================ */

.performance-table tr.highlight td {
    background: rgba(79, 143, 255, 0.15);
    font-weight: 500;
}

.performance-table td:first-child {
    font-weight: 500;
    color: var(--text-primary);
}

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

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
        padding: 2rem;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 2rem;
    }

    .content {
        padding: 1.5rem;
    }

    table {
        font-size: 0.8rem;
    }

    th, td {
        padding: 0.75rem 0.5rem;
    }
}

/* ============================================
   Sub-Navigation Items
   ============================================ */

.nav-sub {
    padding-left: 1rem;
}

.nav-sub .nav-link {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.nav-sub .nav-link:hover,
.nav-sub .nav-link.active {
    color: var(--accent-primary);
}

/* ============================================
   Tier Header Box
   ============================================ */

.tier-header-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
}

.tier-badge {
    background: var(--accent-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.tier-purpose {
    color: var(--text-secondary);
    font-style: italic;
}

/* ============================================
   Scoring Tables
   ============================================ */

.scoring-table {
    width: 100%;
    margin: 1rem 0 2rem 0;
}

.scoring-table tr {
    border-bottom: 1px solid var(--border-secondary);
}

.scoring-table td {
    padding: 0.75rem;
    vertical-align: top;
}

.scoring-table td.score {
    width: 50px;
    text-align: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.scoring-table td:last-child {
    color: var(--text-secondary);
}

/* ============================================
   Score Ranges (Decision category)
   ============================================ */

.score-ranges {
    margin: 1rem 0;
}

.score-ranges .range {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 6px;
    font-size: 0.9rem;
    border-left: 4px solid;
}

.range.recommend {
    background: rgba(0, 212, 170, 0.1);
    border-left-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

.range.consider-high {
    background: rgba(79, 143, 255, 0.1);
    border-left-color: var(--accent-primary);
    color: var(--accent-primary);
}

.range.consider {
    background: rgba(79, 143, 255, 0.08);
    border-left-color: #6ba3ff;
    color: #6ba3ff;
}

.range.consider-low {
    background: rgba(255, 200, 87, 0.1);
    border-left-color: var(--accent-gold);
    color: var(--accent-gold);
}

.range.pass {
    background: rgba(255, 100, 100, 0.1);
    border-left-color: #ff6464;
    color: #ff6464;
}

/* ============================================
   Action Items
   ============================================ */

.action-items {
    margin: 1rem 0;
}

.action-items .action {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.action-items .action strong {
    color: var(--accent-primary);
    font-family: var(--font-mono);
    margin-right: 0.5rem;
}

/* ============================================
   Articulation Tagline
   ============================================ */

.articulation-tagline {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
}

/* ============================================
   Validation Table
   ============================================ */

.validation-table {
    width: 100%;
}

.validation-table th {
    background: var(--bg-tertiary);
}

.validation-table td:first-child {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    font-weight: 600;
}

/* ============================================
   Architecture Comparison
   ============================================ */

.architecture-comparison {
    width: 100%;
    margin: 1.5rem 0;
}

.architecture-comparison th {
    background: var(--bg-tertiary);
}

.architecture-comparison tr.highlight {
    background: rgba(79, 143, 255, 0.1);
}

.architecture-comparison tr.highlight td {
    background: transparent;
}

/* ============================================
   Architecture Header
   ============================================ */

.arch-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.arch-header .metric {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

/* ============================================
   Specialist Table
   ============================================ */

.specialist-table th {
    background: var(--bg-tertiary);
}

.specialist-table td:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

/* ============================================
   Metrics Table
   ============================================ */

.metrics-table {
    width: auto;
    margin: 1rem 0;
}

.metrics-table td {
    padding: 0.5rem 1rem;
}

.metrics-table td:first-child {
    color: var(--text-secondary);
}

.metrics-table td:last-child {
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-weight: 600;
}

/* ============================================
   Benchmark Table
   ============================================ */

.benchmark-table th {
    background: var(--bg-tertiary);
}

.benchmark-table tr.highlight td {
    background: rgba(79, 143, 255, 0.15);
    font-weight: 500;
}

/* ============================================
   Export Grid
   ============================================ */

.export-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.export-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.25rem;
}

.export-item h3 {
    font-size: 1.1rem;
    font-family: var(--font-mono);
    color: var(--accent-primary);
    margin: 0 0 0.5rem 0;
}

.export-item p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin: 0;
}

/* ============================================
   Coverage Sections (ordered list)
   ============================================ */

.coverage-sections {
    counter-reset: section;
    list-style: none;
    padding: 0;
}

.coverage-sections li {
    position: relative;
    padding: 1.25rem;
    padding-left: 4rem;
    margin-bottom: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
}

.coverage-sections li::before {
    counter-increment: section;
    content: counter(section);
    position: absolute;
    left: 1.25rem;
    top: 1.25rem;
    width: 2rem;
    height: 2rem;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.coverage-sections li strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.coverage-sections li p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

/* ============================================
   Perspective Table
   ============================================ */

.perspective-table {
    width: 100%;
    margin: 1rem 0;
}

.perspective-table td {
    padding: 0.5rem 0.75rem;
}

.perspective-table td:first-child {
    width: 120px;
    font-weight: 600;
    color: var(--accent-primary);
}

/* ============================================
   Warning Callout
   ============================================ */

.callout.warning {
    border-left-color: var(--accent-gold);
    background: rgba(255, 200, 87, 0.05);
}

/* ============================================
   Decision Tree
   ============================================ */

.decision-tree {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1.5rem 0;
}

.decision-tree p {
    margin-bottom: 0.75rem;
}

.decision-tree ul {
    margin: 0;
}

/* ============================================
   Diagram (ASCII art container)
   ============================================ */

.diagram {
    margin: 2rem 0;
    overflow-x: auto;
}

.diagram pre {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
    white-space: pre;
}

/* ============================================
   Rubric Detail Section
   ============================================ */

.rubric-detail {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-secondary);
}

.rubric-detail:last-of-type {
    border-bottom: none;
}

.rubric-detail h2 {
    margin-top: 0;
}

/* ============================================
   Page Count (for articulations)
   ============================================ */

.page-count {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-style: italic;
    margin-top: 1.5rem;
}

/* ============================================
   Superiority Benchmark Table
   ============================================ */

.benchmark-table.superiority {
    margin: 2rem 0;
}

.benchmark-table.superiority.wide {
    font-size: 0.85rem;
}

.benchmark-table.superiority.wide th,
.benchmark-table.superiority.wide td {
    padding: 0.75rem 0.5rem;
}

.benchmark-table.superiority th {
    background: var(--bg-tertiary);
    font-size: 0.75rem;
}

.benchmark-table.superiority td.advantage {
    color: var(--accent-secondary);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    white-space: nowrap;
}

.benchmark-table.superiority td:nth-child(4),
.benchmark-table.superiority td:nth-child(5) {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-primary);
    text-align: center;
}

/* ============================================
   Validation Protocol
   ============================================ */

.validation-protocol {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.protocol-step {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.25rem;
}

.protocol-step h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin: 0 0 0.75rem 0;
}

.protocol-step p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   Quality Reasons
   ============================================ */

.quality-reasons {
    margin: 2rem 0;
}

.quality-reasons .reason {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-secondary);
}

.quality-reasons .reason:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.quality-reasons .reason h3 {
    font-size: 1.1rem;
    color: var(--accent-secondary);
    margin: 0 0 0.75rem 0;
}

.quality-reasons .reason p {
    margin: 0;
    line-height: 1.7;
}

/* ============================================
   Agreement Table
   ============================================ */

.agreement-table {
    width: 100%;
    margin: 1.5rem 0;
}

.agreement-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-secondary);
}

.agreement-table td:first-child {
    color: var(--text-secondary);
    width: 60%;
}

.agreement-table td:last-child {
    color: #ff6464;
    font-family: var(--font-mono);
    font-weight: 500;
    text-align: right;
}

/* ============================================
   Cluster Tables
   ============================================ */

.cluster-table {
    width: 100%;
    margin: 1rem 0;
}

.cluster-table th {
    background: var(--bg-tertiary);
    font-size: 0.85rem;
}

.cluster-table td {
    font-size: 0.9rem;
}

.cluster-table td:first-child {
    width: 100px;
}

.cluster-table td:nth-child(2) {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    width: 80px;
}

/* ============================================
   Flow Diagrams (CSS-based)
   ============================================ */

.flow-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin: 2rem 0;
    padding: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
}

.flow-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.flow-node {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    text-align: center;
    min-width: 120px;
}

.flow-node.input {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.flow-node.specialist {
    border-color: var(--accent-secondary);
}

.flow-node.specialist h4 {
    color: var(--accent-secondary);
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
}

.flow-node.output {
    background: var(--accent-secondary);
    color: white;
    border-color: var(--accent-secondary);
}

.flow-node.gate {
    border-color: var(--accent-gold);
}

.flow-node.gate h4 {
    color: var(--accent-gold);
}

.flow-node.reject {
    border-color: #ff6464;
    background: rgba(255, 100, 100, 0.1);
}

.flow-node.reject h4 {
    color: #ff6464;
}

.flow-node ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.flow-arrow {
    color: var(--text-tertiary);
    font-size: 1.5rem;
}

.flow-arrow.down::after {
    content: "↓";
}

.flow-arrow.right::after {
    content: "→";
}

.flow-split {
    display: flex;
    gap: 2rem;
    margin-top: 0.5rem;
}

.flow-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.flow-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-style: italic;
}

.flow-stats {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-secondary);
    display: flex;
    gap: 2rem;
    justify-content: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.flow-stats span {
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

/* Badge variants for clusters */
.badge.recommend {
    background: var(--accent-secondary);
}

.badge.premium {
    background: var(--accent-gold);
    color: #1a1a2e;
}

/* Node labels and details */
.node-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent-primary);
    margin-top: 0.25rem;
}

.node-detail {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

/* Compact flow rows */
.flow-row.compact {
    gap: 0.5rem;
}

/* Small specialist nodes */
.flow-node.small {
    padding: 0.5rem 0.75rem;
    min-width: 60px;
}

.flow-node.small h4 {
    font-size: 0.75rem;
    margin: 0;
}

.flow-node.small .node-label {
    font-size: 0.65rem;
}

/* Hybrid diagram adjustments */
.flow-diagram.hybrid .flow-split {
    gap: 3rem;
}

.flow-diagram.hybrid .flow-branch {
    min-width: 150px;
}

/* Gate node styling */
.flow-node.gate {
    border-color: var(--accent-gold);
    min-width: 150px;
}

.flow-node.gate h4 {
    color: var(--accent-gold);
    margin: 0 0 0.25rem 0;
}

/* Reject node */
.flow-node.reject h4 {
    color: #ff6464;
    margin: 0 0 0.25rem 0;
}

/* Stage nodes (for sequential flows) */
.flow-node.stage {
    min-width: 280px;
    border-color: var(--border-secondary);
}

.flow-node.stage h4 {
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
}

.flow-node.stage.primary {
    border-color: var(--accent-primary);
    border-width: 2px;
}

.flow-node.stage.primary h4 {
    color: var(--accent-primary);
}

.flow-node.stage ul {
    text-align: left;
    margin-top: 0.5rem;
}

.flow-node.stage ul li {
    margin-bottom: 0.25rem;
}

/* Sequential flow diagram */
.flow-diagram.sequential .flow-node.stage {
    max-width: 400px;
}

/* Badge for triage */
.badge.triage {
    background: #ff6464;
}

/* Badge for production */
.badge.production {
    background: var(--accent-primary);
}

/* ============================================
   Protocol Pipeline Diagram
   ============================================ */

.protocol-pipeline {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    margin: 2rem 0;
    padding: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
}

.pipeline-node {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    min-width: 300px;
    text-align: left;
}

.pipeline-node.input,
.pipeline-node.output {
    flex-direction: column;
    text-align: center;
    gap: 0.25rem;
    min-width: 200px;
    font-weight: 600;
}

.pipeline-node.input {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.pipeline-node.input span {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.8;
}

.pipeline-node.output {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: white;
}

.pipeline-node.tier {
    border-color: var(--accent-primary);
}

.pipeline-node.tier.accent {
    border-color: var(--accent-gold);
}

.pipeline-node.tier.accent .tier-num {
    background: var(--accent-gold);
    color: #1a1a2e;
}

.tier-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--accent-primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.tier-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.tier-info strong {
    color: var(--text-primary);
    font-size: 0.95rem;
}

.tier-info span {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.pipeline-arrow {
    width: 2px;
    height: 20px;
    background: var(--border-secondary);
    position: relative;
}

.pipeline-arrow::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--border-secondary);
}

.pipeline-row {
    display: flex;
    gap: 1rem;
}

.pipeline-node.half {
    min-width: 145px;
}

.pipeline-node.half .tier-info strong {
    font-size: 0.85rem;
}

.pipeline-node.half .tier-info span {
    font-size: 0.7rem;
}