/* Estudo "Desigualdade: Brasil x Estados Unidos"
   Graficos SVG minimalistas, monocromaticos com um acento para o Brasil.
   Cores vem das variaveis de tema do site (claro/escuro). */

.desigualdade-page {
  --desig-us: var(--text-primary);
  --desig-br: #cf6a3c;
  /* faixas: tons bem discretos, calibrados por tema */
  --desig-band-us: rgba(255, 255, 255, 0.05);
  --desig-band-br: rgba(207, 106, 60, 0.11);
}
[data-theme="light"] .desigualdade-page {
  --desig-br: #b6551f;
  --desig-band-us: rgba(0, 0, 0, 0.045);
  --desig-band-br: rgba(182, 85, 31, 0.09);
}

/* ---------- figura / moldura do grafico ---------- */
.desig-figure {
  margin: 2.5rem 0;
  padding: 1.25rem 1.25rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-primary);
}
.desig-figure__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  margin-bottom: 0.5rem;
}
.desig-figure__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.5rem;
}
.desig-figure__title {
  font-size: 1.05rem;
  margin: 0;
  line-height: 1.3;
}
.desig-figure__source {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

/* ---------- area do grafico ---------- */
.desig-chart {
  position: relative;
  width: 100%;
  overflow-x: auto;
}
.desig-svg {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}
.desig-chart__loading {
  padding: 4rem 0;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

/* eixos e grade */
.desig-gridline {
  stroke: var(--border-color);
  stroke-width: 1;
  opacity: 0.45;
}
.desig-axisline {
  stroke: var(--border-color);
  stroke-width: 1;
}
.desig-ylabel {
  fill: var(--text-tertiary);
  font-size: 13px;
  text-anchor: end;
}
.desig-xlabel {
  fill: var(--text-tertiary);
  font-size: 13px;
  text-anchor: middle;
}

/* marcadores de era */
.desig-markline {
  stroke: var(--text-tertiary);
  stroke-width: 1;
  stroke-dasharray: 3 5;
  opacity: 0.35;
}
.desig-marklabel {
  fill: var(--text-tertiary);
  font-size: 11px;
  text-anchor: middle;
  letter-spacing: 0.03em;
}

/* faixas de eventos (bem sutis, ficam no fundo; tom por tema) */
.desig-band.is-us {
  fill: var(--desig-band-us);
}
.desig-band.is-br {
  fill: var(--desig-band-br);
}
.desig-bandlabel {
  font-size: 10.5px;
  text-anchor: middle;
  letter-spacing: 0.04em;
  fill: var(--text-tertiary);
  opacity: 0.6;
}
.desig-bandlabel.is-br {
  fill: var(--desig-br);
  opacity: 0.7;
}

/* linhas de serie */
.desig-line {
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.desig-line.is-us {
  stroke: var(--desig-us);
}
.desig-line.is-br {
  stroke: var(--desig-br);
}
.desig-line.is-dashed {
  stroke-dasharray: 5 5;
  opacity: 0.65;
}
.desig-endlabel {
  font-size: 14px;
  font-weight: 600;
  dominant-baseline: middle;
}
.desig-endlabel.is-us {
  fill: var(--desig-us);
}
.desig-endlabel.is-br {
  fill: var(--desig-br);
}

/* hover */
.desig-hover {
  transition: opacity 0.1s ease;
}
.desig-hover:not(.is-on) {
  opacity: 0;
}
.desig-vline {
  stroke: var(--text-secondary);
  stroke-width: 1;
  opacity: 0.5;
}
.desig-dot {
  stroke: var(--bg-primary);
  stroke-width: 2;
}
.desig-dot.is-us {
  fill: var(--desig-us);
}
.desig-dot.is-br {
  fill: var(--desig-br);
}

/* tooltip */
.desig-tip {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  min-width: 120px;
  padding: 0.5rem 0.7rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--card-shadow, 0 6px 20px rgba(0, 0, 0, 0.15));
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity 0.1s ease;
}
.desig-tip.is-on {
  opacity: 1;
}
.desig-tip__year {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}
.desig-tip__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  line-height: 1.6;
}
.desig-tip__row.is-us {
  color: var(--desig-us);
}
.desig-tip__row.is-br {
  color: var(--desig-br);
}
.desig-tip__row::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 3px;
  border-radius: 2px;
  background: currentColor;
  margin-right: 0.4rem;
}
.desig-tip__key {
  color: var(--text-secondary);
  margin-right: auto;
}
.desig-tip__val {
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

/* ---------- equacoes (componente reutilizavel via _includes/equation.html) ---------- */
.equation {
  margin: 1.75rem 0;
  text-align: center;
}
.equation__tex {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.25rem 0;
}
.equation__caption {
  margin: 0.6rem auto 0;
  max-width: 42rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--text-tertiary);
}
.desigualdade-page .katex {
  font-size: 1.15em;
}

/* ---------- grupos da lista de referencias ---------- */
.estudo-references__group {
  margin: 1.75rem 0 0.5rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

/* ---------- responsivo ---------- */
@media (max-width: 640px) {
  .desig-figure {
    padding: 1rem 0.85rem 0.85rem;
  }
  .desig-figure__title {
    font-size: 0.98rem;
  }
}