/* gfm-glossary-term.css тАФ premium term pages (stock-page design system) */
:root {
  --nav-h: 44px;
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface2: #16161f;
  --border: #1e1e2e;
  --accent: #00ff88;
  --red: #ff4466;
  --amber: #ffaa00;
  --blue: #4488ff;
  --text: #e8e8f0;
  --muted: #555570;
  --mono: 'Space Mono', monospace;
  --sans: 'Syne', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  padding-top: var(--nav-h);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.page {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 20px 64px;
}

.gt-bc {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.gt-bc a { color: var(--muted); text-decoration: none; }
.gt-bc a:hover { color: var(--accent); }

.gt-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 16px;
}

.gt-back:hover { color: var(--accent); }

/* Hero тАФ stock-head pattern */
.gt-hero {
  padding: 8px 0 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.gt-hero h1 {
  font-family: var(--sans);
  font-size: 34px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 12px;
}

.gt-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.gt-badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

.gt-badge.accent {
  color: var(--accent);
  border-color: rgba(0, 255, 136, 0.35);
  background: rgba(0, 255, 136, 0.06);
}

.gt-badge.amber {
  color: var(--amber);
  border-color: rgba(255, 170, 0, 0.35);
  background: rgba(255, 170, 0, 0.06);
}

.gt-intro {
  font-size: 15px;
  line-height: 1.75;
  color: #9aa;
  max-width: 720px;
}

/* Panels */
.panel {
  background: rgba(14, 14, 20, 0.92);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
}

.panel-title {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #8a8aa8;
  text-transform: uppercase;
}

.panel-body { padding: 16px 14px; }

/* How it works тАФ chart */
.gt-chart-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.gt-chart-svg {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
}

.gt-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 4px;
}

.gt-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: #aab;
}

.gt-legend-swatch {
  width: 20px;
  height: 3px;
  border-radius: 2px;
}

.gt-legend-swatch.spot { background: var(--accent); box-shadow: 0 0 8px rgba(0, 255, 136, 0.5); }
.gt-legend-swatch.fut { background: var(--blue); }

.gt-chart-note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  margin-top: 8px;
}

/* Comparison table */
.gt-cmp-table { width: 100%; border-collapse: collapse; font-size: 13px; }

.gt-cmp-table th {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: #8a8aa8;
}

.gt-cmp-table th.col-bw {
  color: var(--accent);
  background: rgba(0, 255, 136, 0.04);
  border-left: 2px solid var(--accent);
}

.gt-cmp-table th.col-ct {
  color: var(--blue);
  background: rgba(68, 136, 255, 0.04);
}

.gt-cmp-table td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: top;
}

.gt-cmp-table tr:last-child td { border-bottom: none; }

.gt-cmp-table .metric {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  width: 28%;
}

.gt-cmp-table .val-bw {
  background: rgba(0, 255, 136, 0.03);
  border-left: 2px solid rgba(0, 255, 136, 0.35);
  color: var(--text);
  font-weight: 600;
}

.gt-cmp-table .val-ct {
  background: rgba(68, 136, 255, 0.03);
  color: #b8c0d0;
}

.gt-cmp-table .win-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--accent);
  margin-left: 6px;
  opacity: 0.85;
}

/* Historical timeline */
.gt-timeline {
  position: relative;
  padding: 8px 0 4px;
  margin-bottom: 16px;
}

.gt-timeline-track {
  position: absolute;
  top: 18px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--accent), var(--amber), var(--border));
  opacity: 0.6;
}

.gt-timeline-dots {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  padding: 0 4%;
  margin-bottom: 20px;
}

.gt-tl-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 56px;
}

.gt-tl-year {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
}

.gt-tl-pip {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.4);
}

.gt-hist-cards { display: flex; flex-direction: column; gap: 12px; }

.gt-hist-card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.15s;
}

.gt-hist-card:hover { border-color: rgba(0, 255, 136, 0.3); }

.gt-hist-meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.gt-hist-commodity {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 4px 0 2px;
}

.gt-hist-year {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--amber);
}

.gt-hist-event {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.gt-hist-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* FAQ + links */
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: rgba(14, 14, 20, 0.6);
}

.faq-q { font-weight: 600; font-size: 14px; margin-bottom: 8px; color: var(--text); }
.faq-a { font-size: 13px; line-height: 1.65; color: var(--muted); }

.gt-sec-title {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #8a8aa8;
  text-transform: uppercase;
  margin: 24px 0 12px;
}

.rel-links { display: flex; flex-wrap: wrap; gap: 10px; }

.rel-link {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid rgba(0, 255, 136, 0.25);
  border-radius: 5px;
  padding: 8px 14px;
  text-decoration: none;
  transition: background 0.15s;
}

.rel-link:hover { background: rgba(0, 255, 136, 0.12); }

.gt-note {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  line-height: 1.6;
}

/* Prose blocks inside panels */
.gt-prose {
  font-size: 14px;
  line-height: 1.75;
  color: #9aa;
}

.gt-prose p + p { margin-top: 12px; }

.gt-prose strong { color: var(--text); font-weight: 600; }

/* Mini cards grid (fatores, impactos, curiosidades) */
.gt-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
}

.gt-mini-card {
  padding: 14px 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.15s;
}

.gt-mini-card:hover { border-color: rgba(0, 255, 136, 0.28); }

.gt-mini-card h4 {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.gt-mini-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* Executive summary */
.gt-summary-box {
  padding: 18px 20px;
  background: rgba(0, 255, 136, 0.04);
  border: 1px solid rgba(0, 255, 136, 0.22);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #b8c4d0;
}

.gt-summary-box strong { color: var(--text); }

/* Brent vs WTI comparison columns */
.gt-cmp-table th.col-brent {
  color: var(--amber);
  background: rgba(255, 170, 0, 0.04);
  border-left: 2px solid var(--amber);
}

.gt-cmp-table th.col-wti {
  color: var(--blue);
  background: rgba(68, 136, 255, 0.04);
}

.gt-cmp-table .val-brent {
  background: rgba(255, 170, 0, 0.03);
  border-left: 2px solid rgba(255, 170, 0, 0.35);
  color: var(--text);
  font-weight: 600;
}

.gt-cmp-table .val-wti {
  background: rgba(68, 136, 255, 0.03);
  color: #b8c0d0;
}

.gt-legend-swatch.brent { background: var(--amber); box-shadow: 0 0 8px rgba(255, 170, 0, 0.45); }
.gt-legend-swatch.wti { background: var(--blue); }

.gt-group-label {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 18px 0 10px;
}

.gt-group-label:first-child { margin-top: 0; }

.gt-cmp-table th.col-win {
  color: var(--accent);
  background: rgba(0, 255, 136, 0.04);
  border-left: 2px solid var(--accent);
}

.gt-cmp-table th.col-loss {
  color: var(--red);
  background: rgba(255, 68, 102, 0.04);
}

.gt-cmp-table .val-win {
  background: rgba(0, 255, 136, 0.03);
  border-left: 2px solid rgba(0, 255, 136, 0.35);
  color: var(--text);
}

.gt-cmp-table .val-loss {
  background: rgba(255, 68, 102, 0.03);
  border-left: 2px solid rgba(255, 68, 102, 0.25);
  color: #b8c0d0;
}

/* Figures with captions (Wikimedia / official sources) */
.gt-figure {
  margin: 18px 0 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.22);
}

.gt-figure img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.9) contrast(1.04);
}

.gt-figure figcaption {
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.gt-figure .gt-fig-credit {
  display: block;
  margin-top: 4px;
  opacity: 0.72;
  font-size: 10px;
}

/* Premium hero тАФ full fold + meta */
.gt-hero-premium {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.gt-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 14px;
}

.gt-hero-meta strong {
  color: #8a8aa8;
  font-weight: 700;
  text-transform: uppercase;
  margin-right: 4px;
}

.gt-hero-figure {
  margin: 18px 0 0;
}

.gt-hero-figure img {
  max-height: 400px;
  object-fit: cover;
  object-position: center 35%;
}

.gt-hero-panel {
  border-top: none;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  margin-top: 0;
}

/* Split layout тАФ prose + aside */
.gt-split {
  display: grid;
  grid-template-columns: 1fr minmax(220px, 280px);
  gap: 16px;
  align-items: start;
}

.gt-aside-box {
  padding: 16px 18px;
  background: rgba(68, 136, 255, 0.04);
  border: 1px solid rgba(68, 136, 255, 0.22);
  border-left: 3px solid var(--blue);
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: #9aa;
}

.gt-aside-box .gt-aside-label {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}

.gt-aside-box strong { color: var(--text); }

/* Step-by-step flow */
.gt-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gt-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.15s;
}

.gt-step:hover { border-color: rgba(0, 255, 136, 0.28); }

.gt-step-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid rgba(0, 255, 136, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  line-height: 1;
}

.gt-step-body h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.gt-step-body p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* Highlight / example cards */
.gt-highlight-card {
  padding: 18px 20px;
  background: rgba(255, 170, 0, 0.04);
  border: 1px solid rgba(255, 170, 0, 0.22);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: #b8c4d0;
}

.gt-highlight-card strong { color: var(--text); }

.gt-highlight-card .gt-warn {
  display: block;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 170, 0, 0.15);
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--amber);
}

.gt-mini-card .gt-flag {
  font-size: 20px;
  line-height: 1;
  margin-bottom: 6px;
  display: block;
}

@media (max-width: 768px) {
  .page { padding: 14px 12px 48px; }
  .gt-hero h1 { font-size: 26px; }
  .gt-split { grid-template-columns: 1fr; }
  .gt-hero-figure img { max-height: 260px; }
  .gt-cmp-table .metric {
    width: 100%;
    display: block;
    padding: 12px 14px 4px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: none;
  }
  .gt-cmp-table thead { display: none; }
  .gt-cmp-table tr {
    display: block;
    margin-bottom: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
  }
  .gt-cmp-table td {
    display: block;
    border: none;
    padding: 6px 14px 10px;
  }
  .gt-cmp-table td.val-bw::before,
  .gt-cmp-table td.val-ct::before {
    display: block;
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 4px;
    opacity: 0.7;
  }
  .gt-cmp-table td.val-bw::before { content: 'Backwardation'; color: var(--accent); }
  .gt-cmp-table td.val-ct::before { content: 'Contango'; color: var(--blue); }
  .gt-cmp-table td.val-brent::before { content: 'Brent'; color: var(--amber); }
  .gt-cmp-table td.val-wti::before { content: 'WTI'; color: var(--blue); }
  .gt-cmp-table td.val-win::before { content: 'Beneficiados'; color: var(--accent); }
  .gt-cmp-table td.val-loss::before { content: 'Prejudicados'; color: var(--red); }
  .gt-card-grid { grid-template-columns: 1fr; }
  .gt-hist-card { grid-template-columns: 1fr; }
  .gt-timeline-dots { gap: 8px; }
  .gt-tl-year { font-size: 10px; }
  .gt-timeline-track { left: 12%; right: 12%; }
}