/* ***{/I am sorry made a mistake brother here is where we need to resume |^X3Z^|`/$\}*** */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,800;1,400;1,600&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;0,8..60,600;1,8..60,400&family=JetBrains+Mono:wght@400;500&display=swap');

  :root {
    --gold: #C6A964;
    --gold-light: #D4BD82;
    --gold-dark: #A88B3D;
    --bg-primary: #0A0A0C;
    --bg-secondary: #111114;
    --bg-card: #16161A;
    --bg-chart: #1A1A1F;
    --text-primary: #E8E4DC;
    --text-secondary: #9B978F;
    --text-dim: #6B6860;
    --accent-red: #C44B4B;
    --accent-blue: #4B7CC4;
    --accent-green: #4BAA6B;
    --accent-purple: #7B5EA7;
    --border: #2A2A30;
    --border-gold: rgba(198,169,100,0.3);
  }

[data-theme="light"] {
    --gold: #A88B3D;
    --gold-light: #C6A964;
    --gold-dark: #8B7028;
    --bg-primary: #FAF8F5;
    --bg-secondary: #F0ECE5;
    --bg-card: #E8E4DE;
    --bg-chart: #FFFFFF;
    --text-primary: #1A1A1F;
    --text-secondary: #5A5A62;
    --text-dim: #8A8A92;
    --accent-red: #C03530;
    --accent-blue: #3A6CB8;
    --accent-green: #2E8B32;
    --accent-purple: #7A50B8;
    --border: #D5D0C8;
    --border-gold: rgba(168,139,61,0.3);
}

/* ── Site-wide Navigation Header ── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  z-index: 1000;
  background: rgba(10,10,12,0.85);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04);
  transition: background-color 0.5s cubic-bezier(0.16,1,0.3,1);
}

.site-nav-logo { display: flex; align-items: center; text-decoration: none; }
.site-nav-logo-img { height: 55px; width: auto; filter: brightness(1.6) saturate(1.6); transition: opacity 0.2s; }
.site-nav-logo:hover .site-nav-logo-img { opacity: 0.7; }
.site-nav-menu { display: flex; gap: 2rem; list-style: none; margin: 0; }
.site-nav-menu a {
  font-family: var(--mono, 'JetBrains Mono', monospace);
  font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: #d2d2d7; text-decoration: none; transition: color 0.35s, opacity 0.2s; position: relative;
}
.site-nav-menu a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px; background-color: #fff; transition: width 0.4s cubic-bezier(0.16,1,0.3,1);
}
.site-nav-menu a:hover { color: #fff; opacity: 1; }
.site-nav-menu a:hover::after { width: 100%; }
.site-nav-toggle { display: none; flex-direction: column; gap: 6px; width: 24px; height: 20px; justify-content: center; background: none; border: none; cursor: pointer; padding: 0; }
.site-nav-toggle span { display: block; width: 100%; height: 1px; background-color: #fff; transition: all 0.35s cubic-bezier(0.25,0.46,0.45,0.94); }
.site-nav-toggle.active span:first-child { transform: rotate(45deg) translate(5px, 5px); }
.site-nav-toggle.active span:last-child { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 1024px) {
  .site-nav { padding: 0 24px; }
  .site-nav-menu {
    position: fixed; top: 64px; left: 0; right: 0; bottom: 0;
    background-color: rgba(10,10,12,0.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    flex-direction: column; align-items: center; justify-content: center; gap: 2.5rem;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity 0.4s cubic-bezier(0.16,1,0.3,1), visibility 0.4s cubic-bezier(0.16,1,0.3,1), transform 0.4s cubic-bezier(0.16,1,0.3,1);
  }
  .site-nav-menu.active { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav-menu a { font-size: 0.85rem; }
  .site-nav-menu a::after { display: none; }
  .site-nav-toggle { display: flex; }
}

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

  body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 16px;
    line-height: 1.85;
    max-width: 900px;
    margin: 0 auto;
    padding: 104px 30px 40px;
    -webkit-font-smoothing: antialiased;
  }

  /* ====== FRONT MATTER ====== */
  .cover {
    text-align: center;
    padding: 120px 20px 80px;
    border-bottom: 1px solid var(--border-gold);
    margin-bottom: 60px;
    position: relative;
  }
  .cover::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 2px;
    background: var(--gold);
  }
  .cover h1 {
    font-family: 'Playfair Display', serif;
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 20px;
    text-transform: uppercase;
  }
  .cover .subtitle {
    font-family: 'Source Serif 4', serif;
    font-size: 18px;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 40px;
    line-height: 1.6;
  }
  .cover .author {
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--text-dim);
    text-transform: uppercase;
  }
  .cover .date {
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 8px;
  }

  /* ====== PART HEADERS ====== */
  .part-header {
    text-align: center;
    padding: 80px 20px;
    border-top: 1px solid var(--border-gold);
    border-bottom: 1px solid var(--border-gold);
    margin: 80px 0 40px;
    position: relative;
  }
  .part-header .part-number {
    font-family: 'Playfair Display', serif;
    font-size: 13px;
    letter-spacing: 6px;
    color: var(--gold-dark);
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .part-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 12px;
  }
  .part-header .part-range {
    font-size: 15px;
    color: var(--text-secondary);
    font-style: italic;
  }

  /* ====== COLLAPSIBLE CENTURY CARDS ====== */
  .century {
    margin-bottom: 20px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-secondary);
    overflow: hidden;
    transition: border-color 0.3s ease;
  }
  .century:hover {
    border-color: var(--border-gold);
  }
  .century.is-open {
    border-color: var(--gold-dark);
  }

  .century-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: 16px;
    transition: background 0.2s;
  }
  .century-toggle:hover {
    background: rgba(198,169,100,0.04);
  }
  .century-toggle-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
  }
  .century-toggle .era-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--gold-dark);
    text-transform: uppercase;
  }
  .century-toggle .century-dates {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
  }
  .century-toggle .century-title {
    font-size: 14px;
    color: var(--gold-light);
    font-style: italic;
    line-height: 1.4;
  }
  .century-toggle .chevron {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s ease, background 0.3s ease;
    color: var(--gold);
    font-size: 14px;
  }
  .century.is-open .century-toggle .chevron {
    transform: rotate(180deg);
    background: rgba(198,169,100,0.1);
  }

  .century-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 28px;
  }
  .century.is-open .century-body {
    max-height: none;
    padding: 0 28px 30px;
  }
  .century-body > .century-intro {
    margin-bottom: 24px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
  }

  /* ====== COLLAPSIBLE FACTOR SUB-SECTIONS ====== */
  .factor {
    margin-bottom: 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(22,22,26,0.5);
    overflow: hidden;
    transition: border-color 0.2s;
  }
  .factor:hover {
    border-color: rgba(198,169,100,0.2);
  }
  .factor.is-open {
    border-color: rgba(198,169,100,0.25);
    background: var(--bg-card);
  }

  .factor-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: 10px;
    transition: background 0.2s;
  }
  .factor-toggle:hover {
    background: rgba(198,169,100,0.03);
  }
  .factor-toggle-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
  }

  .factor-icon {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
  }
  .factor-toggle h4 {
    font-family: 'Playfair Display', serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.5px;
  }
  .factor-toggle .factor-chevron {
    color: var(--text-dim);
    font-size: 12px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
  }
  .factor.is-open .factor-toggle .factor-chevron {
    transform: rotate(180deg);
    color: var(--gold);
  }

  .factor-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 18px;
  }
  .factor.is-open .factor-body {
    max-height: none;
    padding: 4px 18px 18px;
    border-top: 1px solid var(--border);
  }

  /* Factor colors */
  .fi-innovation .factor-icon { background: rgba(75,124,196,0.2); color: var(--accent-blue); }
  .fi-religion .factor-icon { background: rgba(198,169,100,0.2); color: var(--gold); }
  .fi-technology .factor-icon { background: rgba(75,124,196,0.2); color: var(--accent-blue); }
  .fi-trade .factor-icon { background: rgba(75,170,107,0.2); color: var(--accent-green); }
  .fi-demographics .factor-icon { background: rgba(123,94,167,0.2); color: var(--accent-purple); }
  .fi-law .factor-icon { background: rgba(198,169,100,0.2); color: var(--gold); }
  .fi-military .factor-icon { background: rgba(196,75,75,0.2); color: var(--accent-red); }
  .fi-monks .factor-icon { background: rgba(198,169,100,0.2); color: var(--gold); }
  .fi-mining .factor-icon { background: rgba(75,170,107,0.2); color: var(--accent-green); }
  .fi-money .factor-icon { background: rgba(198,169,100,0.2); color: var(--gold); }
  .fi-people .factor-icon { background: rgba(123,94,167,0.2); color: var(--accent-purple); }
  .fi-artifacts .factor-icon { background: rgba(196,75,75,0.2); color: var(--accent-red); }
  .fi-families .factor-icon { background: rgba(198,169,100,0.2); color: var(--gold); }

  /* ====== CONTENT ELEMENTS ====== */
  .wwwhhw {
    background: rgba(22,22,26,0.8);
    border-left: 3px solid var(--gold-dark);
    padding: 16px 20px;
    margin: 12px 0 16px;
    border-radius: 0 6px 6px 0;
  }
  .wwwhhw .label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 4px;
  }
  .wwwhhw p {
    font-size: 15px;
    color: var(--text-primary);
    line-height: 1.75;
  }

  .critical-observation {
    background: rgba(198,169,100,0.06);
    border: 1px solid var(--border-gold);
    padding: 20px 24px;
    margin: 20px 0;
    border-radius: 6px;
    position: relative;
  }
  .critical-observation::before {
    content: 'CRITICAL OBSERVATION';
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--gold);
    position: absolute;
    top: -8px;
    left: 16px;
    background: var(--bg-card);
    padding: 0 8px;
  }
  .critical-observation p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
  }

  .confidence-tag {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 1px;
    padding: 2px 8px;
    border-radius: 3px;
    margin-left: 8px;
    vertical-align: middle;
  }
  .conf-a { background: rgba(75,170,107,0.2); color: var(--accent-green); }
  .conf-b { background: rgba(198,169,100,0.2); color: var(--gold); }
  .conf-c { background: rgba(196,75,75,0.2); color: var(--accent-red); }

  /* ====== CHART CONTAINERS ====== */
  .chart-container {
    background: var(--bg-chart);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    margin: 24px 0;
    overflow-x: auto;
  }
  .chart-container .chart-title {
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    color: var(--gold);
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: 1px;
  }
  .chart-container svg {
    display: block;
    margin: 0 auto;
  }

  /* ====== TIMELINE ====== */
  .timeline {
    position: relative;
    padding: 20px 0 20px 40px;
    margin: 20px 0;
  }
  .timeline::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-gold);
  }
  .timeline-event {
    position: relative;
    margin-bottom: 20px;
    padding-left: 20px;
  }
  .timeline-event::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gold);
    border: 2px solid var(--bg-primary);
  }
  .timeline-event .event-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--gold-dark);
    margin-bottom: 4px;
  }
  .timeline-event .event-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* ====== TABLES ====== */
  table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
  }
  thead th {
    font-family: 'Playfair Display', serif;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gold);
    text-align: left;
    padding: 12px 16px;
    border-bottom: 2px solid var(--gold-dark);
    background: var(--bg-card);
  }
  tbody td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: top;
  }
  tbody tr:hover { background: rgba(198,169,100,0.04); }

  /* ====== IMPACT LEDGER ====== */
  .impact-ledger {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 20px 0;
  }
  .ledger-credit, .ledger-debit {
    padding: 16px;
    border-radius: 6px;
  }
  .ledger-credit {
    background: rgba(75,170,107,0.08);
    border: 1px solid rgba(75,170,107,0.2);
  }
  .ledger-debit {
    background: rgba(196,75,75,0.08);
    border: 1px solid rgba(196,75,75,0.2);
  }
  .ledger-credit .ledger-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--accent-green);
    margin-bottom: 8px;
  }
  .ledger-debit .ledger-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--accent-red);
    margin-bottom: 8px;
  }
  .ledger-credit p, .ledger-debit p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* ====== EXPAND/COLLAPSE ALL CONTROLS ====== */
  .global-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin: 20px 0 40px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-primary);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }
  .global-controls button {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: var(--bg-card);
    color: var(--gold);
    border: 1px solid var(--border-gold);
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
  }
  .global-controls button:hover {
    background: rgba(198,169,100,0.15);
    color: var(--gold-light);
  }

  /* ====== PRINT STYLES ====== */
  @media print {
    body { background: white; color: #1a1a1a; max-width: 100%; padding: 0; font-size: 11pt; }
    .cover h1 { color: #333; }
    .factor-toggle h4 { color: #333; }
    .century { page-break-before: always; }
    .century-body, .factor-body { max-height: none !important; overflow: visible !important; padding: 16px !important; }
    .chevron, .factor-chevron, .global-controls { display: none !important; }
    .chart-container { border: 1px solid #ccc; background: #f9f9f9; }
    .critical-observation { background: #f5f5f0; border-color: #ccc; }
    .wwwhhw { background: #f5f5f5; }
  }

  @media (max-width: 600px) {
    body { padding: 16px; }
    .cover h1 { font-size: 28px; }
    .century-toggle { padding: 16px; }
    .century-toggle .century-dates { font-size: 18px; }
    .century-body { padding: 0 16px; }
    .century.is-open .century-body { padding: 0 16px 20px; }
    .impact-ledger { grid-template-columns: 1fr; }
  }

  /* ====== UTILITY ====== */
  .page-break { page-break-after: always; }
  .gold { color: var(--gold); }
  .dim { color: var(--text-dim); }
  .small { font-size: 13px; }
  p { margin-bottom: 14px; }
  strong { color: var(--text-primary); font-weight: 600; }
  em { color: var(--text-secondary); }