/* Smart Internal Linker – Frontend Tooltip Styles */

.sil-link {
    text-decoration: underline;
    text-decoration-style: dotted;
    text-decoration-color: currentColor;
    text-underline-offset: 3px;
    cursor: pointer;
}

.sil-has-tooltip {
    position: relative;
}

/* Default CSS tooltip */
.sil-has-tooltip[data-sil-tooltip]::before,
.sil-has-tooltip[data-sil-tooltip]::after {
    display: none;
    position: absolute;
    z-index: 9999;
    pointer-events: none;
}

.sil-has-tooltip[data-sil-tooltip]::before {
    content: attr(data-sil-tooltip);
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(29, 35, 39, 0.95);
    color: #fff;
    font-size: 13px;
    line-height: 1.45;
    padding: 7px 12px;
    border-radius: 6px;
    white-space: normal;
    max-width: 280px;
    min-width: 120px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-weight: normal;
    text-decoration: none;
    letter-spacing: 0;
}

.sil-has-tooltip[data-sil-tooltip]::after {
    content: '';
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(29, 35, 39, 0.95);
}

.sil-has-tooltip[data-sil-tooltip]:hover::before,
.sil-has-tooltip[data-sil-tooltip]:hover::after,
.sil-has-tooltip[data-sil-tooltip]:focus::before,
.sil-has-tooltip[data-sil-tooltip]:focus::after {
    display: block;
    animation: silTooltipFadeIn 0.18s ease-out forwards;
}

@keyframes silTooltipFadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* Arrow doesn't animate */
.sil-has-tooltip[data-sil-tooltip]:hover::after,
.sil-has-tooltip[data-sil-tooltip]:focus::after {
    animation: none;
}

/* Responsive: flip tooltip to bottom on small screens */
@media (max-width: 480px) {
    .sil-has-tooltip[data-sil-tooltip]::before {
        bottom: auto;
        top: calc(100% + 10px);
        left: 0;
        transform: none;
        max-width: 220px;
    }

    .sil-has-tooltip[data-sil-tooltip]::after {
        bottom: auto;
        top: calc(100% + 4px);
        border-top-color: transparent;
        border-bottom-color: rgba(29, 35, 39, 0.95);
    }

    .sil-has-tooltip[data-sil-tooltip]:hover::before,
    .sil-has-tooltip[data-sil-tooltip]:focus::before {
        animation: silTooltipFadeInBottom 0.18s ease-out forwards;
    }

    @keyframes silTooltipFadeInBottom {
        from { opacity: 0; transform: translateY(-4px); }
        to   { opacity: 1; transform: translateY(0); }
    }
}