body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.concentric-circle {
    transform: rotate(-90deg);
    margin-bottom: 20px;
}

circle {
    fill: none;
    stroke-width: 10;
    transition: stroke-dashoffset 1.5s ease-in-out;
}

.bg {
    stroke: #eee;
}

.progress {
    stroke: gray;
    stroke-dasharray: 0;
    stroke-dashoffset: 0;
}

.legend {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.legend-box {
    width: 16px;
    height: 16px;
    display: inline-block;
    border-radius: 3px;
}

.legend-value {
    margin-left: auto;
    font-weight: bold;
}