.catalog { scroll-margin-top: calc(var(--header-h, 70px) + 1rem); }
.catalog-sidebar { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; position: sticky; top: calc(var(--header-h, 70px) + 60px); }
.catalog-sidebar__title { font-weight: 700; color: var(--dark); margin-bottom: .5rem; }
.catalog-sidebar__link { display: flex; justify-content: space-between; padding: .45rem .65rem; border-radius: var(--radius-sm); color: var(--ink); font-size: 1.05rem; }
.catalog-sidebar__link span { color: var(--muted); font-size: .93rem; }
.catalog-sidebar__link:hover, .catalog-sidebar__link.active { background: var(--primary-50); color: var(--primary); }