.UISearchVB{
        margin-bottom: 50px;
}
.search-header-label {
        font-size: 20px;
        font-weight: 700;
        color: #333;
        border-left: 4px solid #115740;
        padding-left: 10px;
        margin-bottom: 20px;
        line-height: 1.2;
        text-transform: uppercase;
}
.year-group {
        border: 1px solid #eee;
        border-bottom: none;
}
.year-group:last-child {
        border-bottom: 1px solid #eee;
}
.year-header {
        padding: 15px;
        cursor: pointer;
        background-color: #f9f9f9;
        font-weight: bold;
        color: #333;
        display: flex;
        justify-content: space-between;
        align-items: center;
        transition: background-color 0.2s;
}
.year-header:hover {
        background-color: #f1f1f1;
}
.year-header.active {
        /* background-color: #e8f5e9; */ /* Optional: highlight active year */
}
.doc-list {
        display: none;
        /* Hidden by default */
        border-top: 1px solid #eee;
}
/* Child Document Styles (from UIDanhSachVB) */
.vb-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px;
        background-color: #fff;
        border-bottom: 1px solid #eee;
}
.vb-item:last-child {
        border-bottom: none;
}
.vb-item:nth-child(even) {
        background-color: #fbfbfb;
}
.vb-title {
        flex: 1;
        font-size: 14px;
        color: #333;
        padding-right: 20px;
        line-height: 1.4;
}
.vb-meta {
        display: flex;
        align-items: center;
        gap: 20px;
        white-space: nowrap;
        min-width: 250px;
        justify-content: flex-end;
}
.vb-date {
        font-size: 14px;
        color: #666;
}
.vb-download {
        display: flex;
        align-items: center;
        gap: 5px;
        /* color: #d32f2f; */
        /* font-weight: 600; */
        text-decoration: none;
        cursor: pointer;
        padding: 5px 0;
}
.vb-download:hover {
        color: #b71c1c;
}
.vb-download i {
        font-size: 14px;
        color: #d32f2f;
}