* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: aliceblue;
}

main { padding: 8px 12px; }

.chart-box {
    height: 314px;
    background-color: white;
    border: 1px solid silver;
    border-radius: 6px;
    padding: 6px;
}

.controls {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 22px;
    background-color: white;
    border: 1px solid silver;
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 15px;
    flex-wrap: wrap;
}

.controls label { cursor: pointer; white-space: nowrap; }

.caption {
    margin-top: 8px;
    background-color: white;
    border: 1px solid silver;
    border-radius: 6px;
    padding: 9px 12px;
    font-size: 13px;
    line-height: 1.5;
    min-height: 62px;
}

.caption strong { color: #c62828; }
.caption em { color: #2e7d32; font-style: normal; font-weight: bold; }