:root {
    --kb-bg: #f5f7fb;
    --kb-surface: #ffffff;
    --kb-surface-muted: #f1f5f9;
    --kb-text: #0f172a;
    --kb-muted: #64748b;
    --kb-border: rgba(15, 23, 42, 0.08);
    --kb-accent: #2563dd;
    --kb-accent-soft: rgba(37, 99, 221, 0.12);
    --kb-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    --kb-radius-lg: 20px;
    --kb-radius-md: 14px;
    --kb-radius-sm: 10px;
}

body.kb-page {
    background: var(--kb-bg);
    color: var(--kb-text);
}

.kb-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.blog-hero {
    background: #0b1020;
    color: #f8fafc;
}

.blog-hero .blog-subheadline {
    color: rgba(226, 232, 240, 0.8);
}

.blog-hero .blog-search {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.18);
}

.blog-hero .blog-category {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
    color: rgba(226, 232, 240, 0.8);
}

.blog-hero .blog-category.active {
    background: var(--kb-accent);
    color: #fff;
    border-color: var(--kb-accent);
}

.kb-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    margin: 40px auto 60px;
}

.kb-sidebar {
    position: sticky;
    top: 96px;
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 18px;
    box-shadow: var(--kb-shadow);
}

.kb-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.kb-sidebar-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--kb-muted);
}

.kb-sidebar-toggle {
    display: none;
}

.kb-category-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kb-category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.kb-category-item:hover {
    background: var(--kb-surface-muted);
}

.kb-category-item.active {
    border-color: var(--kb-accent);
    background: var(--kb-accent-soft);
    color: var(--kb-accent);
}

.kb-category-name {
    font-size: 14px;
    font-weight: 600;
    color: inherit;
}

.kb-category-count {
    font-size: 12px;
    color: var(--kb-muted);
}

.kb-subcategory-list {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--kb-border);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.kb-subcategory-item {
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 13px;
    cursor: pointer;
    color: var(--kb-muted);
    transition: all 0.2s ease;
}

.kb-subcategory-item.active {
    color: var(--kb-accent);
    background: rgba(37, 99, 221, 0.08);
}

.kb-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.kb-guide {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 20px;
    box-shadow: var(--kb-shadow);
}

.kb-guide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.kb-guide-header h2 {
    margin: 0 0 6px;
    font-size: 22px;
}

.kb-guide-header p {
    margin: 0;
    font-size: 14px;
    color: var(--kb-muted);
}

.kb-guide-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.kb-guide-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(37, 99, 221, 0.18);
    background: rgba(37, 99, 221, 0.08);
    color: var(--kb-accent);
    font-size: 12px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.kb-guide-link:hover {
    background: var(--kb-accent);
    border-color: var(--kb-accent);
    color: #fff;
}

.kb-guide-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.kb-guide-card {
    background: var(--kb-surface-muted);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 220px;
}

.kb-guide-meta {
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--kb-muted);
}

.kb-guide-card h3 {
    margin: 0;
    font-size: 16px;
    color: var(--kb-text);
}

.kb-guide-card p {
    margin: 0;
    font-size: 13px;
    color: var(--kb-muted);
    line-height: 1.5;
}

.kb-guide-card ul {
    margin: 0;
    padding-left: 18px;
    font-size: 12px;
    color: var(--kb-muted);
    line-height: 1.5;
}

.kb-guide-links {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.kb-guide-links a {
    font-size: 12px;
    color: var(--kb-accent);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(37, 99, 221, 0.18);
    background: rgba(37, 99, 221, 0.08);
    transition: all 0.2s ease;
}

.kb-guide-links a:hover {
    background: var(--kb-accent);
    border-color: var(--kb-accent);
    color: #fff;
}

.kb-platforms {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 22px;
    box-shadow: var(--kb-shadow);
}

.kb-platforms-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.kb-platforms-header h2 {
    margin: 0 0 6px;
    font-size: 22px;
}

.kb-platforms-header p {
    margin: 0;
    font-size: 14px;
    color: var(--kb-muted);
}

.kb-platforms-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.kb-platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}

.kb-platform-card {
    --platform-color: var(--kb-accent);
    background: var(--kb-surface-muted);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.kb-platform-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(37, 99, 221, 0.08) 100%);
    opacity: 0.3;
    pointer-events: none;
}

.kb-platform-card--wb { --platform-color: #7c3aed; }
.kb-platform-card--ozon { --platform-color: #2563eb; }
.kb-platform-card--yandex { --platform-color: #ef4444; }
.kb-platform-card--lamoda { --platform-color: #0f172a; }
.kb-platform-card--zolotoe { --platform-color: #f59e0b; }
.kb-platform-card--lemana { --platform-color: #16a34a; }

.kb-platform-top h3 {
    margin: 0 0 6px;
    font-size: 16px;
    color: var(--kb-text);
}

.kb-platform-top p {
    margin: 0;
    font-size: 13px;
    color: var(--kb-muted);
    line-height: 1.5;
}

.kb-platform-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    background: var(--platform-color);
    margin-bottom: 10px;
}

.kb-platform-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
    counter-reset: platform-step;
}

.kb-platform-steps li {
    display: grid;
    gap: 2px;
    font-size: 12px;
    color: var(--kb-muted);
    position: relative;
    padding-left: 24px;
}

.kb-platform-steps li::before {
    counter-increment: platform-step;
    content: counter(platform-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.08);
    color: var(--platform-color);
    font-size: 11px;
    display: grid;
    place-items: center;
    font-weight: 700;
}

.kb-platform-steps strong {
    color: var(--kb-text);
    font-weight: 600;
}

.kb-platform-links {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.kb-platform-links a {
    font-size: 12px;
    color: var(--platform-color);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.7);
    transition: all 0.2s ease;
}

.kb-platform-links a:hover {
    background: var(--platform-color);
    border-color: var(--platform-color);
    color: #fff;
}

.kb-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.kb-stat-card {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-md);
    padding: 12px 14px;
    box-shadow: var(--kb-shadow);
}

.kb-stat-card h4 {
    margin: 0 0 6px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--kb-muted);
}

.kb-stat-card p {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--kb-text);
}

.kb-quick-questions {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 14px;
    box-shadow: var(--kb-shadow);
    display: grid;
    gap: 10px;
}

.kb-quick-questions h3 {
    margin: 0;
    font-size: 16px;
}

.kb-question-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.kb-question-card {
    border: 1px solid var(--kb-border);
    border-radius: 12px;
    padding: 10px 12px;
    background: #fff;
    font-size: 13px;
    color: var(--kb-text);
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kb-question-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--kb-shadow);
}

.kb-toolbar {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 16px;
    box-shadow: var(--kb-shadow);
    display: grid;
    gap: 16px;
}

.kb-search-inline {
    position: relative;
}

.kb-search-inline input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    border-radius: 12px;
    border: 1px solid var(--kb-border);
    background: var(--kb-surface);
    font-size: 15px;
    color: var(--kb-text);
}

.kb-search-inline i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--kb-muted);
}

.kb-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.kb-filters select {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--kb-border);
    background: var(--kb-surface);
    font-size: 13px;
    color: var(--kb-text);
}

.kb-tag-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.kb-tag-chip {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--kb-border);
    font-size: 12px;
    color: var(--kb-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    background: #fff;
}

.kb-tag-chip.active {
    color: #fff;
    background: var(--kb-accent);
    border-color: var(--kb-accent);
}

.kb-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.kb-results-header h2 {
    font-size: 20px;
    margin: 0;
}

.kb-results-meta {
    font-size: 13px;
    color: var(--kb-muted);
}

.kb-clear {
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--kb-border);
    background: transparent;
    color: var(--kb-muted);
    cursor: pointer;
    font-size: 12px;
}

.kb-article-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 12px;
}

.kb-article-item {
    display: flex;
    gap: 16px;
    justify-content: space-between;
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    background: var(--kb-surface);
    padding: 14px 16px;
    box-shadow: var(--kb-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kb-article-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
}

.kb-article-main {
    flex: 1;
    min-width: 0;
}

.kb-article-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--kb-text);
    text-decoration: none;
}

.kb-article-summary {
    margin: 6px 0 12px;
    color: var(--kb-muted);
    font-size: 13px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kb-article-highlights {
    margin: 0 0 12px;
    padding-left: 18px;
    color: var(--kb-muted);
    font-size: 12px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kb-article-list.is-compact .kb-article-highlights {
    display: none;
}

.kb-article-list.is-compact .kb-article-summary {
    -webkit-line-clamp: 1;
}

.kb-article-highlights li {
    margin-bottom: 4px;
}

.kb-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    font-size: 12px;
    color: var(--kb-muted);
}

.kb-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--kb-accent-soft);
    color: var(--kb-accent);
    font-size: 11px;
    font-weight: 600;
}

.kb-article-side {
    min-width: 140px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: right;
    font-size: 12px;
    color: var(--kb-muted);
}

.kb-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 8px 0 0;
    font-size: 12px;
    color: var(--kb-muted);
}

.kb-templates {
    margin: 40px auto 0;
}

.kb-templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.kb-template-card {
    border: 1px solid var(--kb-border);
    background: var(--kb-surface);
    border-radius: var(--kb-radius-md);
    padding: 16px;
    box-shadow: var(--kb-shadow);
}

.kb-template-card h4 {
    margin: 0 0 8px;
    font-size: 15px;
}

.kb-template-card p {
    margin: 0 0 12px;
    font-size: 13px;
    color: var(--kb-muted);
}

.kb-template-card a {
    font-size: 12px;
    color: var(--kb-accent);
    text-decoration: none;
    font-weight: 600;
}

.kb-empty {
    text-align: center;
    padding: 40px 20px;
    background: var(--kb-surface);
    border: 1px dashed var(--kb-border);
    border-radius: var(--kb-radius-lg);
    color: var(--kb-muted);
}

.kb-qa {
    margin: 60px auto 80px;
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 24px;
    box-shadow: var(--kb-shadow);
}

.kb-qa-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.kb-qa-header h3 {
    margin: 0;
    font-size: 20px;
}

.kb-qa-form {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
}

.kb-qa-form input,
.kb-qa-form textarea,
.kb-qa-form select {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--kb-border);
    font-size: 13px;
}

.kb-qa-form button {
    padding: 10px 16px;
    border-radius: 10px;
    border: none;
    background: var(--kb-accent);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}

.kb-qa-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.kb-qa-item {
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-md);
    padding: 14px;
    background: #fff;
}

.kb-qa-meta {
    font-size: 12px;
    color: var(--kb-muted);
    display: flex;
    gap: 8px;
    margin-bottom: 6px;
}

.kb-qa-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.kb-qa-actions button {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--kb-border);
    background: #fff;
    font-size: 12px;
    cursor: pointer;
}

.kb-qa-reply {
    margin-top: 10px;
    padding-left: 14px;
    border-left: 2px solid var(--kb-border);
    display: grid;
    gap: 6px;
}

.kb-qa-reply-item {
    background: var(--kb-surface-muted);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 12px;
    color: var(--kb-muted);
}

.kb-qa-reply form {
    display: grid;
    gap: 8px;
}

.kb-qa-reply input,
.kb-qa-reply textarea {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--kb-border);
    font-size: 13px;
    width: 100%;
    background: #fff;
}

.kb-qa-reply button {
    background: #0f172a;
    color: #fff;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    justify-self: flex-start;
}

.kb-article-page {
    padding: 48px 0 80px;
}

.kb-breadcrumbs {
    font-size: 12px;
    color: var(--kb-muted);
    margin-bottom: 12px;
}

.kb-breadcrumbs a {
    color: var(--kb-muted);
    text-decoration: none;
}

.kb-breadcrumbs strong {
    color: var(--kb-text);
}

.kb-article-header {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 20px 22px;
    box-shadow: var(--kb-shadow);
    margin-bottom: 24px;
}

.kb-article-header h1 {
    margin: 8px 0 8px;
    font-size: 30px;
}

.kb-article-header p {
    margin: 0;
    color: var(--kb-muted);
}

.kb-article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 24px;
}

.kb-article-content {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 26px;
    box-shadow: var(--kb-shadow);
    line-height: 1.7;
}

.kb-article-content h2,
.kb-article-content h3 {
    margin-top: 28px;
}

.kb-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 13px;
}

.kb-article-content table th,
.kb-article-content table td {
    border: 1px solid var(--kb-border);
    padding: 8px 10px;
    text-align: left;
}

.kb-article-content a {
    color: var(--kb-accent);
}

.kb-article-aside {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.kb-toc,
.kb-related {
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 16px;
    box-shadow: var(--kb-shadow);
}

.kb-toc h4,
.kb-related h4 {
    margin: 0 0 10px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--kb-muted);
}

.kb-toc a {
    display: block;
    font-size: 13px;
    color: var(--kb-muted);
    text-decoration: none;
    margin-bottom: 6px;
}

.kb-toc a:hover {
    color: var(--kb-accent);
}

.kb-related a {
    display: block;
    font-size: 13px;
    color: var(--kb-text);
    text-decoration: none;
    margin-bottom: 8px;
}

.kb-related-card {
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--kb-border);
    background: var(--kb-surface-muted);
    display: grid;
    gap: 4px;
    transition: all 0.2s ease;
}

.kb-related-card span {
    font-size: 13px;
    font-weight: 600;
    color: var(--kb-text);
}

.kb-related-card small {
    font-size: 11px;
    color: var(--kb-muted);
    line-height: 1.4;
}

.kb-related-card:hover {
    border-color: var(--kb-accent);
    background: #fff;
}

.kb-feedback {
    margin-top: 24px;
    background: var(--kb-surface);
    border: 1px solid var(--kb-border);
    border-radius: var(--kb-radius-lg);
    padding: 20px;
    box-shadow: var(--kb-shadow);
}

.kb-feedback button {
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid var(--kb-border);
    background: #fff;
    cursor: pointer;
    font-size: 12px;
}

.kb-feedback textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--kb-border);
    font-size: 13px;
    margin-bottom: 10px;
}

.kb-feedback button.is-active {
    background: var(--kb-accent);
    color: #fff;
    border-color: var(--kb-accent);
}

.kb-anchor {
    margin-left: 6px;
    opacity: 0;
    border: none;
    background: transparent;
    color: var(--kb-muted);
    cursor: pointer;
}

.kb-article-content h2:hover .kb-anchor,
.kb-article-content h3:hover .kb-anchor {
    opacity: 1;
}

@media (max-width: 1024px) {
    .kb-layout {
        grid-template-columns: 1fr;
    }

    .kb-sidebar {
        position: static;
        display: none;
    }

    .kb-sidebar.is-open {
        display: block;
    }

    .kb-sidebar-toggle {
        display: inline-flex;
    }

    .kb-article-layout {
        grid-template-columns: 1fr;
    }

    .kb-article-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .kb-container {
        padding: 0 16px;
    }

    .kb-article-item {
        flex-direction: column;
        text-align: left;
    }

    .kb-article-side {
        text-align: left;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .kb-guide {
        padding: 16px;
    }

    .kb-guide-grid {
        grid-template-columns: 1fr;
    }

    .kb-platforms {
        padding: 16px;
    }

    .kb-platforms-grid {
        grid-template-columns: 1fr;
    }
}