.chart-section {
    width: 100vw;             
    margin-left: 50%;
    transform: translateX(-50%);
    background: #fff;
    padding: 20px 0;
}

/*container*/
.chart-container {
    width: 100vw;
    max-width: 1600px;
    height: 65vh;
    max-height: 600px;
    margin: 0 auto;
    box-sizing: border-box;
    background-color: #fff0;
    padding-bottom: 1rem;
}

.chart-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/*chart-buttons*/
.chart-b.active {
    background-color: var(--main-orange);
    border: 1px solid var(--main-orange);
    color: var(--dark-grey); 
    --btn-hover-bg: #ffffff;
    --btn-hover-border: var(--main-orange);
}

.chart-b.active:hover,
.chart-b.active:focus {
    background-color: var(--light-yellow);
    border: 1px solid var(--main-orange);
    color: var(--dark-grey); 
    --btn-hover-border: var(--main-orange);
    outline: none;
    transition: all 0.2s ease-in-out;
}

.chart-b {
    background-color: var(--light-yellow);
    border: 1px solid var(--light-yellow);
    color: var(--dark-grey); 
    --btn-hover-bg: #ffffff;
    --btn-hover-border: var(--main-orange);
}

.chart-b:hover,
.chart-b:focus {
    background-color: #ffffff;
    border: 1px solid var(--main-orange);
    color: var(--dark-grey); 
    --btn-hover-border: var(--main-orange);
    outline: none;
    transition: all 0.2s ease-in-out;
}

/*printing*/
@media print {
    body * { visibility: hidden; }
    .chart, .chart *,
    .chart-table, .chart-table * {
        visibility: visible;
    }
    .chart, .chart-table {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: auto;
    }
}