/* ========================================
   KB Sidebar Widget Styles
   ======================================== */

.widget-kb-sidebar {
    position: relative;
}

.widget-kb-sidebar .kb-toggle-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    transition: background 0.2s ease;
    width: 100%;
    text-align: left;
}

.widget-kb-sidebar .kb-toggle-btn:hover {
    background: #e8e8e8;
}

.widget-kb-sidebar .kb-toggle-btn[aria-expanded="false"] {
    background: #e8f4fd;
    border-color: #b8daea;
}

.widget-kb-sidebar .kb-toggle-icon {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.widget-kb-sidebar .kb-toggle-btn[aria-expanded="false"] .kb-toggle-icon {
    transform: rotate(-135deg);
}

.widget-kb-sidebar .kb-toggle-text {
    flex: 1;
}

.widget-kb-sidebar .kb-categories-wrapper {
    margin-top: 12px;
    transition: opacity 0.3s ease, max-height 0.3s ease;
    overflow: hidden;
}

.widget-kb-sidebar .kb-categories-wrapper.hidden {
    display: none;
}

.widget-kb-sidebar .kb-categories {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.widget-kb-sidebar .kb-category {
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.widget-kb-sidebar .kb-category-header {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    background: #f8f9fa;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: 8px;
    transition: background 0.2s ease;
}

.widget-kb-sidebar .kb-category-header:hover {
    background: #e9ecef;
}

.widget-kb-sidebar .kb-category-title {
    font-size: 15px;
    font-weight: 600;
    color: #212529;
    flex: 1;
}

.widget-kb-sidebar .kb-category-count {
    font-size: 12px;
    color: #6c757d;
    background: #e9ecef;
    padding: 2px 8px;
    border-radius: 12px;
}

.widget-kb-sidebar .kb-category-toggle {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-right: 2px solid #6c757d;
    border-bottom: 2px solid #6c757d;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.widget-kb-sidebar .kb-category-header.collapsed .kb-category-toggle {
    transform: rotate(-135deg);
}

.widget-kb-sidebar .kb-category-content {
    padding: 0 16px 12px;
}

.widget-kb-sidebar .kb-articles-list {
    list-style: none;
    margin: 0;
    padding: 8px 0 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.widget-kb-sidebar .kb-article-item {
    border-bottom: 1px solid #f0f0f0;
}

.widget-kb-sidebar .kb-article-item:last-child {
    border-bottom: none;
}

.widget-kb-sidebar .kb-article-link {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    color: #495057;
    text-decoration: none;
    border-radius: 4px;
    transition: background 0.2s ease, color 0.2s ease;
}

.widget-kb-sidebar .kb-article-link:hover {
    background: #f8f9fa;
    color: #0d6efd;
}

.widget-kb-sidebar .kb-view-all {
    display: block;
    margin-top: 12px;
    padding: 8px 12px;
    font-size: 13px;
    color: #0d6efd;
    text-decoration: none;
    text-align: center;
    border: 1px solid #0d6efd;
    border-radius: 6px;
    transition: background 0.2s ease, color 0.2s ease;
}

.widget-kb-sidebar .kb-view-all:hover {
    background: #0d6efd;
    color: #fff;
}

/* ========================================
   Responsive Styles
   ======================================== */

@media (max-width: 768px) {
    .widget-kb-sidebar .kb-category-header {
        padding: 10px 12px;
    }

    .widget-kb-sidebar .kb-category-title {
        font-size: 14px;
    }

    .widget-kb-sidebar .kb-category-content {
        padding: 0 12px 10px;
    }

    .widget-kb-sidebar .kb-article-link {
        padding: 6px 10px;
        font-size: 13px;
    }
}