/* ══════════════════════════════════════════════════════════
   SSE MACRO PERSPECTIVES — STYLES
   Version: May 2026
   ══════════════════════════════════════════════════════════ */

:root {
  --bg-main: #ffffff;
  --text-primary: #000000;
  --text-secondary: #000000;
  --text-muted: #000000;

  --accent-red: #8b0000;
  --accent-green: #004d00;

  --border-color: #d1d1d1;
  --border-heavy: #1c1c1c;

  --font-serif: 'Lora', Georgia, serif;
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --page-edge: 80px;
  --sidebar-expanded-width: 200px;
  --sidebar-collapsed-width: 30px;
  --sidebar-gap: 64px;
  --content-max-width: 980px;
  --sidebar-sticky-top: 40px;
}

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

/* ── Base ── */
body {
  background: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-serif);
  line-height: 1.7;
  font-size: 16px;
}

/* ── Header ── */
header {
  border-bottom: 3px solid var(--border-heavy);
  padding: 30px 0;
  margin: 0 var(--page-edge);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-size: 26px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.brand span {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 16px;
  font-style: italic;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.author-credit {
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 1.35;
  color: var(--text-secondary);
  text-align: right;
  max-width: 360px;
}
.credit-label {
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.credit-names {
  font-weight: 500;
}
.credit-separator {
  color: var(--border-color);
}

/* ── Version / Edition Switcher ── */
.version-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
}
.version-label {
  font-family: var(--font-sans);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
}
.edition-select {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-main);
  border: 1px solid var(--border-heavy);
  padding: 5px 28px 5px 10px;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  /* chevron via background SVG */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%231c1c1c'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  border-radius: 0;
  transition: border-color 0.15s;
}
.edition-select:hover { border-color: var(--text-primary); }
.edition-select:focus { outline: 2px solid var(--text-primary); outline-offset: 2px; }

/* ── Layout ── */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-expanded-width) minmax(0, 1fr);
  gap: var(--sidebar-gap);

  max-width: none;
  margin: 60px var(--page-edge);
  padding: 0;

  transition:
    grid-template-columns 0.45s cubic-bezier(0.4,0,0.2,1),
    gap 0.45s cubic-bezier(0.4,0,0.2,1);
}
.layout.sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

/* ── Sidebar Nav ── */
.nav-sidebar {
  border-right: 1px solid var(--border-color);
  padding-right: 24px;

  position: sticky;
  top: var(--sidebar-sticky-top);
  align-self: start;
  max-height: calc(100vh - var(--sidebar-sticky-top));
  overflow-y: auto;

  transition:
    padding 0.1s cubic-bezier(0.4,0,0.2,1);
}
.sidebar-nav {
  padding-bottom: 8px;
}
.sidebar-toggle {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border-heavy);
  background: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-bottom: 18px;
}
.nav-sidebar.collapsed {
  z-index: 100;
  border-right: 0;
  padding-right: 0;
  overflow: visible;
}
.nav-sidebar.collapsed .sidebar-nav {
  display: none;
}
.nav-sidebar.collapsed .sidebar-toggle {
  background: var(--bg-main);
  margin-bottom: 0;
}
.nav-group-title {
  font-family: var(--font-sans);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.nav-links { margin-bottom: 28px; }
.nav-links-no-margin { margin-bottom: 0; }
.nav-links-spaced { margin-bottom: 28px; }

.nav-links a {
  font-family: var(--font-sans);
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  padding: 7px 0;
  font-size: 13px;
  border-bottom: 1px solid #f0f0f0;
  transition: border-color 0.1s, font-weight 0.1s;
}
.nav-links a:hover,
.nav-links a.active {
  font-weight: 700;
  border-bottom-color: var(--border-heavy);
}
.nav-link-highlight { font-weight: 700; font-size: 14px; }

/* ── Main Content ── */
.main-content {
  justify-self: center;
  width: min(100%, var(--content-max-width));
  min-width: 0;
}

/* ── Sections ── */
.section { margin-bottom: 80px; scroll-margin-top: 32px; }
.section-header {
  border-top: 1px solid var(--border-heavy);
  border-bottom: 1px solid var(--border-heavy);
  padding: 10px 0;
  margin-bottom: 32px;
  text-align: center;
}
.section-eyebrow {
  font-family: var(--font-sans);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.section-title {
  font-size: 22px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ── Cards ── */
.grid-cards { display: grid; grid-template-columns: 1fr; gap: 28px; }
.card { border-bottom: 1px solid var(--border-color); padding-bottom: 24px; }
.card-metric {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.card-value { font-size: 30px; margin-bottom: 10px; }
.card-desc { font-size: 15px; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.75; }
.card-insight {
  font-family: var(--font-sans);
  font-size: 13px;
  font-style: italic;
  color: var(--text-muted);
  padding-left: 14px;
  border-left: 2px solid var(--border-color);
  line-height: 1.6;
}
.value-up { color: var(--accent-green); }
.value-down { color: var(--accent-red); }
.value-neutral { color: var(--text-primary); }

/* ── Figures ── */
.figure-placeholder {
  border: 1px dashed var(--border-color);
  background: #f9f9f7;
  padding: 28px 24px;
  text-align: center;
  margin-bottom: 40px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
}
.figure-placeholder strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.embedded-figure {
  border-bottom: 1px solid var(--border-color);
  background: #fff;
  padding: 0 0 28px;
  margin-bottom: 40px;
  font-family: var(--font-sans);
  color: #1a1a1a;
}
.embedded-figure .dash { padding: 0; }
.embedded-figure .section-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #888;
  margin: 1.5rem 0 0.4rem;
}
.embedded-figure .chart-section-title {
  font-size: 16px;
  font-weight: 500;
  color: #1a1a1a;
  margin: 0 0 1rem;
  border-bottom: 1.5px solid #1a2b4a;
  padding-bottom: 8px;
}
.embedded-figure .chart-wrap { margin-bottom: 1.5rem; }
.embedded-figure .legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 10px;
  font-size: 12px;
  color: #444;
}
.embedded-figure .legend span { display: flex; align-items: center; gap: 5px; }
.embedded-figure .legend-sq {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.figure-source {
  font-family: var(--font-sans);
  font-size: 11px;
  color: #888;
  margin-top: 8px;
}

/* ── Chart containers ── */
.chart-container-sm { position: relative; width: 100%; height: 260px; }
.chart-container-lg { position: relative; width: 100%; height: 360px; }

/* ── Legend squares ── */
.legend-sq-navy { background: #1a2b4a; }
.legend-sq-gold { background: #c8942d; }
.legend-sq-red  { background: #b42318; }
.legend-sq-gray { background: #d3d1c7; border: 1px solid #888; }

/* ── Brent chart custom legend ── */
.custom-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 12px;
  color: #444;
}
.custom-legend-item { display: flex; align-items: center; gap: 5px; }
.legend-line-brent   { width: 28px; height: 2.5px; background: #1a2b4a; display: inline-block; }
.legend-line-events  { width: 28px; height: 2px; background: #b42318; border-top: 2px dashed #b42318; display: inline-block; }
.legend-line-prewar  { width: 28px; height: 10px; background: rgba(210,200,180,0.4); display: inline-block; border-radius: 2px; }

/* ── Stats grid (Brent summary) ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.stat-card { background: #f5f5f3; border-radius: 4px; padding: 10px 12px; }
.stat-label { font-size: 11px; color: #888; margin-bottom: 4px; }
.stat-value { font-size: 19px; font-weight: 500; }
.color-navy { color: #1a2b4a; }
.color-red  { color: #b42318; }
.color-gold { color: #c8942d; }

/* ── Executive Summary ── */
.summary-layout-top  { display: flex; gap: 48px; margin-bottom: 40px; align-items: flex-start; }
.summary-layout-bottom { display: flex; gap: 48px; margin-bottom: 40px; }
.flex-2 { flex: 2; }
.flex-1 { flex: 1; }
.summary-list-title {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}
.summary-list-container { font-family: var(--font-sans); font-size: 14px; }

/* JS-injected list items */
.dynamic-list-item {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
  line-height: 1.55;
}
.dynamic-list-item-sm {
  margin-bottom: 9px;
  padding-bottom: 9px;
  border-bottom: 1px solid #f0f0f0;
  line-height: 1.5;
}
.risk-text { color: #8b0000; }
.opp-text  { color: #004d00; }

/* ── Director's Insights ── */
.insight-hero { padding: 0 32px; }
.insight-hero-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.35;
  text-align: center;
}
.article-authors {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 28px;
  text-align: center;
  line-height: 1.7;
}
.article-body {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 20px;
  text-align: justify;
}
.article-h2 {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 28px 0 10px;
  border-left: 3px solid var(--border-heavy);
  padding-left: 12px;
}
.article-h3 {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin: 20px 0 8px;
}

/* ── References ── */
.references-block {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  margin-top: 40px;
}
.references-block p { margin-bottom: 9px; line-height: 1.6; }
.references-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.disclaimer {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  margin-top: 28px;
}

/* ── Back-to-top button ── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-heavy);
  background: var(--text-primary);
  color: var(--bg-main);
  font-family: var(--font-sans);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
  user-select: none;
  z-index: 100;
}
.back-to-top.visible { opacity: 1; }

/* ── Utility ── */
.nav-group { /* structural wrapper, no visual styling needed */ }
.nav-link-spaced-bottom { margin-bottom: 28px; display: block; }

/* ── Extracted tables ── */
.table-wrap {
  overflow-x: auto;
  margin: 24px 0 36px;
}
.extract-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.45;
}
.extract-table th,
.extract-table td {
  border: 1px solid var(--border-color);
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
}
.extract-table th {
  background: #f5f5f3;
  font-weight: 700;
}

@media (max-width: 900px) {
  header {
    margin: 0 20px;
    align-items: flex-start;
    gap: 18px;
  }
  .header-right {
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
  }
  .layout,
  .layout.sidebar-collapsed {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 0;
    margin: 28px 20px 40px;
  }
  .nav-sidebar {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--border-color);
    padding-right: 0;
    padding-bottom: 16px;
  }
  .nav-sidebar.collapsed {
    position: static;
    border-bottom: 0;
    padding-bottom: 0;
  }
}