/* Sub 2-Column Layout Grid */
.layout_grid.sub_2col {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    padding-top: 20px;
    align-items: start;
}
.layout_grid.sub_2col.sidebar_right {
    grid-template-columns: 1fr 280px;
}
.layout_grid.sub_2col.sidebar_right .side_sidebar { order: 2; }
.layout_grid.sub_2col.sidebar_right #content { order: 1; }

/* Sidebar */
.side_sidebar {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Tab Widget */
.tab_widget {
    padding: 0;
    overflow: hidden;
}
.tab_nav {
    display: flex;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}
.tab_btn {
    flex: 1;
    padding: 12px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-sub);
    text-align: center;
    border-right: 1px solid var(--border-color);
    transition: 0.2s;
    cursor: pointer;
}
.tab_btn:last-child { border-right: none; }
.tab_btn.active {
    background: #fff;
    color: var(--point-color);
    box-shadow: inset 0 2px 0 var(--point-color);
}
.tab_panels { padding: 0; }
.tab_panel { display: none; }
.tab_panel.active { display: block; }

/* sidebar_list inside tab panels */
.tab_panels .sidebar_list tr:first-child td { padding-top: 10px; }
.tab_panels .sidebar_list tr:last-child td { padding-bottom: 10px; }

/* Responsive */
@media (max-width: 1024px) {
    .layout_grid.sub_2col {
        grid-template-columns: 1fr;
    }
    .layout_grid.sub_2col .side_sidebar { order: 2; }
    .layout_grid.sub_2col #content { order: 1; }
    .layout_grid.sub_2col.sidebar_right .side_sidebar { order: 2; }
    .layout_grid.sub_2col.sidebar_right #content { order: 1; }
}