.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.chart-card { padding: 16px; }
.chart-title { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--text, #e2e8f0); }
.chart-title .chart-sub { font-size: 0.8rem; color: var(--text-dim, #64748b); font-weight: 400; margin-left: 8px; }
.chart-wrap { height: 200px; position: relative; }
@media (max-width: 768px) { .charts-grid { grid-template-columns: 1fr; } }