.enp-chart-wrapper {
    position: relative;
    margin: 1.5em 0;
    max-width: 645px;
}

.enp-bar-chart {
    width: 100%;
    height: auto;
    display: block;
}

.enp-bar-chart .enp-bar {
    transition: opacity 0.15s;
    cursor: pointer;
}

.enp-bar-chart .enp-bar:hover {
    opacity: 0.8;
}

.enp-chart-tooltip {
    position: absolute;
    background: #1B2A4A;
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    pointer-events: none;
    white-space: nowrap;
    z-index: 10;
    transform: translateX(-50%);
}

.enp-chart-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -4px;
    border: 4px solid transparent;
    border-top-color: #1B2A4A;
}