.sunburst-label {
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    font-size: 12px;
    fill: #000000;
    text-anchor: middle;
    dominant-baseline: middle;
    font-weight: 400;
    max-width: 50px; 
    word-wrap: break-word; 
    overflow-wrap: break-word;
}

    .sunburst-label.depth-1 {
        font-size: 14px;
        font-weight: 600;
    }

    .sunburst-label.depth-2 {
        font-size: 13px;
        font-weight: 500;
    }

    .sunburst-label.depth-3 {
        font-size: 12px;
        font-weight: 400;
        opacity: 0.85;
    }

.chart-wrapper {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
}

.chart-tooltip {
    position: fixed;
    pointer-events: none;
    background: rgba(15, 23, 42, 0.95);
    color: #f8fafc;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    z-index: 1000;
}

    .chart-tooltip.visible {
        opacity: 1;
        transform: translateY(0);
    }

    .chart-tooltip .title {
        font-weight: 600;
        margin-bottom: 4px;
    }

    .chart-tooltip .meta {
        font-size: 0.75rem;
        opacity: 0.85;
    }