body {
    background: aliceblue;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.chart-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 16px 16px 0 16px;
    position: relative;
    width: 95%;
    height: calc(100vh - 80px);
}

canvas {
    width: 100% !important;
    height: 100% !important;
}

.controls {
    max-width: 900px;
    margin: 8px auto 0 auto;
    width: 95%;
    background: white;
    border-radius: 6px;
    padding: 10px 16px;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.controls label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    cursor: pointer;
    user-select: none;
}

.controls input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
}