/* Customer-specific accessible parts tree, loaded only on the catalog page. */
.catalog-sidebar {
    width: 242px;
    flex: 0 0 242px;
    border: 1px solid var(--line);
    border-radius: 3px;
    overflow: hidden;
}
.catalog-sidebar h2 {
    font-size: 19px;
    padding: 21px;
    background: var(--brand);
    color: var(--white);
    letter-spacing: 0;
}
#partTree {
    padding: 16px 0;
    min-height: 80px;
}
#partTree > .spinner {
    margin: 8px 24px;
}
.tree-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: 0;
    padding: 14px 18px;
    color: var(--ink);
    text-align: left;
    font-weight: 600;
    cursor: pointer;
}
.tree-toggle:hover {
    background: var(--soft);
}
.tree-icon {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    color: var(--brand);
}
.tree-group.expanded .tree-icon svg path {
    d: path("M4 12h16");
}
.tree-parts {
    margin-left: 28px;
    padding-left: 12px;
    border-left: 1px solid #cbdfe9;
}
.tree-parts a {
    display: block;
    padding: 10px 14px;
    line-height: 1.5;
}
.tree-parts a:hover, .tree-parts .active {
    color: var(--brand-deep);
    background: var(--soft);
}
.tree-parts .active {
    font-weight: 600;
}
.tree-error, .tree-empty {
    padding: 10px 20px;
    line-height: 1.5;
    color: var(--muted);
}
.tree-error {
    color: #a13b35;
}