/* Copy Section Link Plugin — Tooltip */

.copy-section-tooltip {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(100% + 0.35rem);
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: var(--fb-font-system, system-ui, sans-serif);
    color: #fff;
    background: #0f172a;
    border-radius: var(--fb-radius-md, 0.375rem);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 100;
}

.copy-section-tooltip.visible {
    opacity: 1;
}

/* Light theme — invert to dark tooltip on light background */
:root:not(.dark) .copy-section-tooltip {
    background: #1e293b;
    color: #fff;
}

/* Ensure the anchor can position the tooltip */
.heading-anchor {
    position: relative;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .copy-section-tooltip {
        transition: none;
    }
}