/* Base line highlight styling */
pre.line-highlight {
    position: relative;
}

.line-highlight-overlay {
    z-index: 0;
}

/* Default highlight (yellow) */
.line-highlight-overlay.line-highlight-default {
    background-color: rgba(255, 255, 0, 0.2);
}

/* Add highlight (green) */
.line-highlight-overlay.line-highlight-add {
    background-color: rgba(34, 197, 94, 0.15);
}

/* Remove highlight (red) */
.line-highlight-overlay.line-highlight-remove {
    background-color: rgba(239, 68, 68, 0.15);
}