.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.card-grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.chart-container {
    width: 100%;
    height: 550px;
    position: relative;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
    margin: 16px 0;
}