.correlation-shell {
  max-width: 1540px;
}

.correlation-shell h1,
.correlation-shell h2,
.correlation-shell p,
.correlation-shell span,
.correlation-shell small,
.correlation-shell th,
.correlation-shell td,
.correlation-shell dt,
.correlation-shell dd,
.correlation-shell button {
  letter-spacing: 0;
}

.correlation-status-stack {
  display: grid;
  justify-items: end;
  gap: 10px;
}

.correlation-overview {
  display: grid;
  grid-template-columns: minmax(310px, 0.9fr) minmax(0, 2.1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.current-correlation-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-content: space-between;
  gap: 20px;
  min-height: 220px;
  padding: 22px;
  border-left: 4px solid var(--warn);
}

.correlation-kicker {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.current-correlation-copy h2,
.correlation-chart-header h2,
.correlation-panel-heading h2,
.methodology-panel h2 {
  margin: 0;
  font-size: 1.15rem;
}

.current-correlation-copy > p:last-child {
  max-width: 32rem;
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.current-correlation-value {
  min-width: 148px;
  text-align: right;
}

.current-correlation-value span,
.current-correlation-value small {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
}

.current-correlation-value strong {
  display: block;
  margin: 4px 0;
  font-size: 3.15rem;
  line-height: 1;
}

.current-correlation-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

.window-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.correlation-window {
  min-height: 102px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(24, 32, 31, 0.92);
}

.correlation-window > span,
.correlation-window > small {
  display: block;
  color: var(--muted);
}

.correlation-window > span {
  font-size: 0.78rem;
  font-weight: 800;
}

.correlation-window > strong {
  display: block;
  margin: 8px 0 5px;
  font-size: 1.75rem;
}

.correlation-window > small {
  overflow-wrap: anywhere;
  font-size: 0.7rem;
}

.tone-positive strong,
.tone-positive .current-correlation-value strong {
  color: var(--bull);
}

.tone-negative strong,
.tone-negative .current-correlation-value strong {
  color: var(--bear);
}

.tone-neutral strong,
.tone-neutral .current-correlation-value strong {
  color: var(--warn);
}

.current-correlation-card.tone-positive {
  border-left-color: var(--bull);
}

.current-correlation-card.tone-negative {
  border-left-color: var(--bear);
}

.correlation-chart-panel,
.annual-panel,
.methodology-panel {
  padding: 20px;
}

.correlation-chart-panel {
  margin-bottom: 16px;
}

.correlation-chart-header,
.chart-legend,
.chart-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.chart-controls {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.18);
}

.chart-controls button {
  min-width: 42px;
  height: 30px;
  border: 0;
  border-radius: 4px;
  padding: 0 10px;
  color: var(--muted);
  background: transparent;
  font-size: 0.75rem;
  font-weight: 800;
}

.chart-controls button:hover,
.chart-controls button.active {
  color: #07130f;
  background: var(--accent);
}

.chart-legend {
  justify-content: flex-start;
  margin: 18px 0 8px;
  color: var(--muted);
  font-size: 0.74rem;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.chart-legend .legend-scale {
  margin-left: auto;
}

.legend-line {
  width: 24px;
  height: 3px;
  border-radius: 2px;
}

.line-btc {
  background: var(--warn);
}

.line-sp {
  background: var(--accent-2);
}

.line-correlation {
  background: var(--accent);
}

.correlation-chart-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1000 / 380;
  min-height: 300px;
  border: 1px solid var(--line);
  background: #0c1314;
  overflow: hidden;
}

#correlationChart {
  display: block;
  width: 100%;
  height: 100%;
}

.chart-grid-line {
  stroke: rgba(159, 176, 170, 0.16);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.chart-zero-line {
  stroke: rgba(255, 204, 102, 0.5);
  stroke-dasharray: 5 6;
}

.chart-grid-label {
  fill: #8ba099;
  font-size: 12px;
}

.chart-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.25;
  vector-effect: non-scaling-stroke;
}

.chart-line-btc {
  stroke: var(--warn);
}

.chart-line-sp {
  stroke: var(--accent-2);
  opacity: 0.9;
}

.chart-line-correlation {
  stroke: var(--accent);
  stroke-width: 2.75;
}

.chart-hover-line,
.chart-hover-dot {
  display: none;
  vector-effect: non-scaling-stroke;
}

.chart-hover-line {
  stroke: rgba(237, 245, 241, 0.44);
  stroke-width: 1;
  stroke-dasharray: 4 5;
}

.chart-hover-dot {
  stroke: #0c1314;
  stroke-width: 2;
}

.dot-btc {
  fill: var(--warn);
}

.dot-sp {
  fill: var(--accent-2);
}

.dot-correlation {
  fill: var(--accent);
}

.chart-hit-area {
  fill: transparent;
  pointer-events: all;
}

.chart-tooltip {
  position: absolute;
  z-index: 3;
  display: none;
  min-width: 150px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  color: var(--text);
  background: rgba(8, 14, 14, 0.96);
  box-shadow: var(--shadow);
  font-size: 0.75rem;
  pointer-events: none;
}

.chart-tooltip strong,
.chart-tooltip span {
  display: block;
}

.chart-tooltip span {
  margin-top: 4px;
  color: var(--muted);
}

.chart-foot {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.7rem;
}

.correlation-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.8fr);
  gap: 16px;
}

.correlation-detail-grid > * {
  min-width: 0;
}

.correlation-panel-heading {
  margin-bottom: 12px;
}

.annual-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.annual-table {
  width: 100%;
  min-width: 610px;
  border-collapse: collapse;
}

.annual-table th,
.annual-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.annual-table th {
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
}

.annual-table td {
  font-size: 0.83rem;
}

.annual-table .year-correlation {
  font-weight: 900;
}

.annual-table .tone-positive {
  color: #49dca8;
}

.annual-table .tone-negative {
  color: #ff6f7d;
}

.annual-table .tone-neutral {
  color: #d9dfdc;
}

.methodology-list {
  display: grid;
  gap: 0;
  margin: 16px 0;
}

.methodology-list > div {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.methodology-list dt,
.methodology-list dd {
  margin: 0;
  font-size: 0.76rem;
}

.methodology-list dt {
  color: var(--muted);
}

.methodology-list dd {
  font-weight: 800;
  text-align: right;
}

.correlation-scale {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.correlation-scale span {
  padding: 8px;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 900;
}

.correlation-scale .negative {
  color: var(--bear);
  background: rgba(255, 111, 125, 0.1);
}

.correlation-scale .neutral {
  color: var(--warn);
  background: rgba(255, 204, 102, 0.1);
}

.correlation-scale .positive {
  color: var(--bull);
  background: rgba(64, 211, 138, 0.1);
}

.methodology-note,
.source-note {
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.5;
}

.source-note {
  margin: 14px 0 0;
}

@media (max-width: 980px) {
  .correlation-overview,
  .correlation-detail-grid {
    grid-template-columns: 1fr;
  }

  .correlation-status-stack {
    width: 100%;
    justify-items: start;
  }
}

@media (max-width: 680px) {
  .window-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .current-correlation-card {
    grid-template-columns: 1fr;
  }

  .current-correlation-value {
    text-align: left;
  }

  .correlation-chart-header,
  .chart-foot {
    align-items: flex-start;
    flex-direction: column;
  }

  .chart-legend {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .chart-legend .legend-scale {
    width: 100%;
    margin-left: 0;
  }

  .correlation-chart-wrap {
    aspect-ratio: auto;
    height: 310px;
  }
}

@media (max-width: 430px) {
  .window-grid {
    grid-template-columns: 1fr;
  }

  .chart-controls {
    width: 100%;
  }

  .chart-controls button {
    flex: 1;
  }
}