.chart-container {
    position: relative;
    width: 100%;
    height: 500px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.chart-svg {
    width: 100%;
    height: 100%;
}