.chart {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
}
.chart__title { font-size: 1.25rem; margin: 0 0 var(--space-xs); }
.chart__subtitle { color: var(--color-text-muted); margin: 0 0 var(--space-md); font-size: 0.95rem; }
.chart__svg { width: 100%; height: auto; display: block; }
.chart__svg .axis-line, .chart__svg .gridline { stroke: var(--color-border); }
.chart__svg .axis-label { fill: var(--color-text-muted); font-size: 11px; }

.chart__legend { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-md); }
.chart__legend-item {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: transparent; border: 1px solid var(--color-border);
  border-radius: var(--radius-button); cursor: pointer; font: inherit;
}
.chart__legend-item[aria-pressed="true"] { opacity: 0.4; }
.chart__legend-swatch { width: 12px; height: 12px; border-radius: 3px; }

.chart__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md); margin-top: var(--space-md); font-size: 0.9rem; }
.chart__expand {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  background: transparent; border: 1px solid var(--color-border);
  border-radius: var(--radius-button); padding: var(--space-xs) var(--space-sm);
  cursor: pointer; font: inherit; font-size: 0.9rem; color: inherit;
}
.chart__expand:hover { background: var(--color-border); }
.chart__view-table summary { cursor: pointer; }
.chart__view-table[open] summary { margin-bottom: var(--space-sm); }

.chart__tooltip {
  position: absolute; pointer-events: none;
  background: var(--color-text); color: var(--color-bg);
  padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-button);
  font-size: 0.85rem; opacity: 0; transition: opacity 0.1s;
}
.chart__tooltip[data-visible="true"] { opacity: 1; }

.chart__series.is-hidden { display: none; }

/* Stat card */
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
}
.stat-card__value { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; color: var(--color-primary); line-height: 1; }
.stat-card__label { color: var(--color-text-muted); font-size: 0.9rem; margin-top: var(--space-xs); }
.stat-card__delta { margin-top: var(--space-sm); font-size: 0.9rem; }
.stat-card__delta--up { color: #2d5016; }
.stat-card__delta--down { color: #a23b3b; }
.stat-card__delta--neutral { color: var(--color-text-muted); }

/* Chart expand modal */
#chart-modal { border: none; border-radius: var(--radius-card); padding: 0; width: 90vw; max-width: 90vw; max-height: 90vh; overflow: auto; }
#chart-modal::backdrop { background: rgba(0, 0, 0, 0.6); }
.chart-modal__close {
  position: sticky; top: 0; float: right; margin: var(--space-sm);
  background: var(--color-surface); border: 1px solid var(--color-border);
  font-size: 1.5rem; cursor: pointer; z-index: 1;
  width: 2.25rem; height: 2.25rem; display: flex; align-items: center;
  justify-content: center; border-radius: 50%; line-height: 1;
}
.chart-modal__close:hover { background: var(--color-border); }
.chart-modal__content { padding: var(--space-lg); }
.chart-modal__content .chart { border: none; padding: 0; }