.asb-d3-chart {
    width: 100%;
    height: 100%;

    & .tooltip {
        @color: white;
        @bg-color: rgba(0, 0, 0, .75);
        @arrow-size: 8px;

        width: 100%;
        height: 100% - @arrow-size;
    
        font-size: 13px;
        color: @color;
        position: absolute;
        padding: 5px;
        border: none;
        border-radius: 2px;
        background-color: @bg-color;
        
        transition: opacity .1s ease-out;
    
        &::after {
            content: ' ';
            position: absolute;
            width: 0;
            height: 0;
            border: @arrow-size solid transparent;
        }

        &.top {
            margin-top: @arrow-size;

            &::after {
                border-bottom-color: @bg-color;
                top: -@arrow-size*2;
                left: 50%;
                margin-left: -@arrow-size;
            }
        }

    
        &.bottom {
            margin-bottom: @arrow-size;

            &::after {
                border-top-color: @bg-color;
                top: 100%;
                left: 50%;
                margin-left: -@arrow-size;
            }
        }

        &.left {
            margin-left: @arrow-size;
            &::after {
                border-right-color: @bg-color;
                top: 50%;
                right: 100%;
            }
        }

        &.right {
            margin-right: @arrow-size;
            &::after {
                border-left-color: @bg-color;
                top: 50%;
                left: 100%;
            }
        }
        
        & .tooltip-content {
            overflow: hidden;
            width: 100%;
            height: 100%;

            & .tooltip-group {
                display: flex;
                flex-direction: column;
                justify-content: stretch;
                align-items: flex-start;
    
                & .group-label {
                    width: 200%;
                    overflow: hidden;
                    
                    & span {
                        font-weight: 600;
                        margin-left: 5px;
                        white-space: nowrap;
                    }
                }
            }
        }
    }

    & .chart-empty {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        height: 100%;
    }
}