.sticky-col {
    position: sticky;
    left: 0;
    background: white;
    white-space: nowrap;
    border-right-width: 4px;
}

.table-responsive-horizontal {
    overflow-x: scroll; /* au lieu de auto */
    width: 100%;
    scrollbar-color: #999 #eee; /* pour Firefox */
    scrollbar-width: thin;
}

/* Pour Chrome, Edge, Safari */
.table-responsive-horizontal::-webkit-scrollbar {
    height: 10px;
}

.table-responsive-horizontal::-webkit-scrollbar-track {
    background: #eee;
    border-radius: 5px;
}

.table-responsive-horizontal::-webkit-scrollbar-thumb {
    background: #999;
    border-radius: 5px;
}
td.highlighted-cell {
    outline: 2px solid #0d6efd;
    box-shadow: inset 0 0 5px rgba(13, 110, 253, 0.5);
    background-color: #e9f5ff;
    transition: all 0.2s ease;
}