.pg-wiki-cat-layout {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px 80px;
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

/* =============================================================
   5. SIDEBAR
   ============================================================= */

.pg-wiki-cat-sidebar {
    width: 260px;
    flex-shrink: 0;
    position: sticky;
    top: var(--pg-header-height);
    background: var(--pg-white);
    border: 1px solid var(--pg-border-light);
    border-radius: 2px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.pg-wiki-cat-sidebar-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--pg-grey-medium);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--pg-border-light);
}

.pg-wiki-sidebar-group {
    margin-bottom: 4px;
}

.pg-wiki-sidebar-parent {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--pg-dark);
    text-decoration: none;
    border-radius: 2px;
    transition: all 0.15s;
}

.pg-wiki-sidebar-parent:hover {
    background: var(--pg-galaxy-light);
    color: var(--pg-galaxy);
}

.pg-wiki-sidebar-parent.current {
    background: var(--pg-galaxy-light-bg);
    color: var(--pg-galaxy);
}

.pg-wiki-sidebar-count {
    font-size: 11px;
    color: var(--pg-grey-light);
    font-weight: 400;
    background: var(--pg-light-grey);
    padding: 1px 6px;
    border-radius: 2px;
}

.pg-wiki-sidebar-children {
    display: none;
    padding-left: 12px;
    margin-top: 2px;
}

.pg-wiki-sidebar-active .pg-wiki-sidebar-children {
    display: block;
}

.pg-wiki-sidebar-child {
    display: block;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--pg-grey);
    text-decoration: none;
    border-radius: 2px;
    transition: all 0.15s;
}

.pg-wiki-sidebar-child:hover {
    background: var(--pg-galaxy-light);
    color: var(--pg-galaxy);
}

.pg-wiki-sidebar-child.current {
    background: var(--pg-galaxy-light-bg);
    color: var(--pg-galaxy);
    font-weight: 600;
}

/* Focus visible states */
.pg-wiki-sidebar-parent:focus-visible,
.pg-wiki-sidebar-child:focus-visible,
.pg-wiki-subcat-card:focus-visible,
.pg-wiki-article-card:focus-visible {
    outline: 2px solid var(--pg-galaxy);
    outline-offset: 2px;
    border-radius: 2px;
}

.pg-wiki-category .pg-wiki-breadcrumb a:focus-visible {
    outline: 2px solid var(--pg-galaxy);
    outline-offset: 2px;
    border-radius: 2px;
}