.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem;
}
.stat-card {
  background: var(--bg-secondary); border-radius: 8px; padding: 1rem; text-align: center;
}
.stat-card h3 { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 0.25rem; }
.stat-card .value { font-size: 2rem; font-weight: bold; color: var(--primary); }

canvas { width: 100%; background: var(--bg-secondary); border-radius: 8px; }