/* D3 article visualizations — loaded only on articles with viz: true */

.article-viz {
    --viz-ink: #161a20;
    --viz-ink-soft: #565f6d;
    --viz-muted: #93989f;
    --viz-line: #e3e5e8;
    --viz-accent: #c8562c;
    --viz-accent-dark: #a8451f;

    position: relative;
    margin: 32px 0 40px;
    padding: 22px 22px 16px;
    background: #ffffff;
    border: 1px solid #eceef0;
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(20, 20, 30, 0.04), 0 10px 28px rgba(20, 20, 30, 0.06);
    overflow-x: auto;
}

.article-viz::before {
    content: '';
    position: absolute;
    top: 0;
    left: 14px;
    right: 14px;
    height: 3px;
    border-radius: 0 0 3px 3px;
    background: linear-gradient(90deg, var(--viz-accent), #e8a37c);
    opacity: 0.9;
}

.article-viz-eyebrow {
    display: block;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--viz-accent-dark);
    margin: 4px 0 6px;
}

.article-viz svg {
    display: block;
    max-width: 100%;
    height: auto;
    overflow: visible;
}

.article-viz-caption {
    margin: 14px 0 0;
    padding-top: 12px;
    border-top: 1px solid #eceef0;
    font-family: "Source Serif Pro", Georgia, serif;
    font-size: 14px;
    line-height: 1.55;
    color: #4a5058;
    font-style: italic;
}

.article-viz-source {
    margin: 6px 0 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 11px;
    color: var(--viz-muted);
}

.article-viz + .article-viz {
    margin-top: 20px;
}

.article-viz-tooltip {
    position: fixed;
    z-index: 60;
    pointer-events: none;
    background: #161a20;
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 12px;
    line-height: 1.4;
    padding: 7px 10px;
    border-radius: 6px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translate(-50%, -100%);
    transition: opacity 0.12s ease;
    max-width: 220px;
}

.article-viz-tooltip strong {
    color: #ffcda8;
}

.article-viz-tooltip.is-visible {
    opacity: 1;
}

@media (max-width: 600px) {
    .article-viz {
        padding: 16px 12px 12px;
        margin-left: -8px;
        margin-right: -8px;
        border-radius: 10px;
    }
}