.chart-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
}

.chart-panel--combined {
  grid-column: 1 / -1;
}

.chart-panel__header {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-sm);
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.chart-panel__title {
  font-size: var(--text-sm);
  font-weight: 600;
}

.chart-container {
  position: relative;
  height: 250px;
  width: 100%;
}

.chart-container canvas {
  cursor: crosshair;
}

.chart-container--combined {
  height: 420px;
}

@media (min-width: 640px) {
  .chart-container {
    height: 300px;
  }
}

.chart-loading-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}

.chart-loading-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.chart-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0.35rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-overlay-strong);
}

.chart-view-toggle__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0 0.5rem 0 0.35rem;
}

.chart-view-toggle__button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
}

.chart-view-toggle__button.active {
  background: var(--color-primary);
  color: white;
}

@media (max-width: 639px) {
  .chart-panel {
    padding: var(--space-md);
  }

  .chart-panel__header {
    align-items: flex-start;
    gap: 0.35rem;
    flex-wrap: wrap;
  }

  .chart-panel__title {
    font-size: var(--text-base);
  }

  .chart-container {
    height: 240px;
  }

  .chart-container--combined {
    height: 360px;
  }

  .chart-view-toggle {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    border-radius: 22px;
    gap: 0.35rem;
  }

  .chart-view-toggle__label {
    padding: 0.25rem 0.35rem 0;
  }

  .chart-view-toggle__button {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

html[dir="rtl"] .chart-view-toggle__label {
  padding: 0 0.35rem 0 0.5rem;
}