/* Tooltip styles for revision and batch information */
.pdf-comparator-tooltip {
    position: relative;
    display: inline-block;
}

.pdf-comparator-tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
    line-height: 1.4;
}

.pdf-comparator-tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

.pdf-comparator-tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Alternative tooltip positioning for buttons near edges */
.pdf-comparator-tooltip.tooltip-left .tooltiptext {
    left: auto;
    right: 0;
    margin-left: 0;
    margin-right: -10px;
}

.pdf-comparator-tooltip.tooltip-right .tooltiptext {
    left: 0;
    margin-left: -10px;
}

/* Responsive tooltip adjustments */
@media (max-width: 768px) {
    .pdf-comparator-tooltip .tooltiptext {
        width: 150px;
        margin-left: -75px;
        font-size: 11px;
    }
}

/* Enhanced button styles with revision/batch info */
.button.with-revision-info {
    position: relative;
    padding-right: 8px;
}

.button.with-revision-info::after {
    content: "ℹ";
    font-size: 10px;
    opacity: 0.7;
    margin-left: 4px;
}

/* History item button adjustments */
.history-item-actions .button[title] {
    position: relative;
}

.advanced-history-item .button[title] {
    position: relative;
}