/* static/css/knowledge.css */
/*
 * Стили для /knowledge и /knowledge/{topic}
 * v3: полная синхронизация классов с шаблонами + визуальный редизайн.
 * Использует токены из base.css — никаких повторных определений.
 */

/* ═══════════════════════════════════════════════════════
   1. ПОИСК
   ═══════════════════════════════════════════════════════ */

.kn-search {
    max-width: 620px;
    margin-top: 1.5rem;
}

.kn-search__wrap {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1.5px solid rgba(229, 231, 235, 0.9);
    border-radius: 1.25rem;
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.kn-search__wrap:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.kn-search__icon {
    width: 18px;
    height: 18px;
    color: var(--color-muted);
    flex-shrink: 0;
    margin-left: 1.125rem;
}

.kn-search__input {
    flex: 1;
    border: none;
    outline: none;
    padding: 0.875rem;
    font-size: 0.9375rem;
    font-family: 'Manrope', system-ui, sans-serif;
    color: var(--color-text);
    background: transparent;
}

.kn-search__input::placeholder { color: var(--color-muted); }

.kn-search__btn {
    padding: 0.875rem 1.375rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    font-family: 'Manrope', system-ui, sans-serif;
    transition: background 0.15s ease;
    white-space: nowrap;
}

.kn-search__btn:hover { background: #0f766e; }

/* ═══════════════════════════════════════════════════════
   2. СЕТКА НАПРАВЛЕНИЙ — главная страница
   ═══════════════════════════════════════════════════════ */

.kn-topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}

@media (min-width: 1024px) {
    .kn-topics-grid { grid-template-columns: repeat(3, 1fr); }
}

.kn-topic-card {
    display: flex;
    flex-direction: column;
    padding: 1.75rem;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: 1.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.kn-topic-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.kn-topic-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px -12px rgba(13, 148, 136, 0.14);
    border-color: rgba(13, 148, 136, 0.22);
}

.kn-topic-card:hover::before { opacity: 1; }

.kn-topic-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    gap: 0.75rem;
}

.kn-topic-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.kn-topic-card:hover .kn-topic-card__icon { transform: scale(1.08); }
.kn-topic-card__icon i { width: 24px; height: 24px; }

.kn-topic-card__count {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-muted);
    background: var(--color-bg);
    border-radius: 9999px;
    padding: 3px 10px;
    white-space: nowrap;
    border: 1px solid rgba(229, 231, 235, 0.85);
}

.kn-topic-card__count--empty { opacity: 0.6; }

.kn-topic-card__title {
    font-family: 'Oswald', system-ui, sans-serif;
    font-size: 1.375rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin-bottom: 0.375rem;
    line-height: 1.1;
}

.kn-topic-card__subtitle {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.kn-topic-card__desc {
    font-size: 0.875rem;
    color: var(--color-muted);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kn-topic-card__footer {
    margin-top: auto;
    padding-top: 1.125rem;
    border-top: 1px solid rgba(229, 231, 235, 0.7);
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.kn-topic-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    transition: gap 0.2s ease;
}

.kn-topic-card:hover .kn-topic-card__cta { gap: 0.625rem; }
.kn-topic-card__cta i { width: 14px; height: 14px; }

/* ═══════════════════════════════════════════════════════
   3. БЫСТРЫЙ ДОСТУП (статьи / словарь / протоколы)
   ═══════════════════════════════════════════════════════ */

.kn-quick-access {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.875rem;
    padding: 1.375rem 1.5rem;
    background: var(--color-bg);
    border-radius: 1.25rem;
    border: 1px solid rgba(229, 231, 235, 0.85);
    margin-bottom: 2rem;
}

.kn-quick-access__item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    text-decoration: none;
}

.kn-quick-access__icon {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: rgba(13, 148, 136, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kn-quick-access__icon i { width: 19px; height: 19px; color: var(--color-primary); }
.kn-quick-access__icon--purple { background: rgba(139, 92, 246, 0.1); }
.kn-quick-access__icon--purple i { color: #8B5CF6; }
.kn-quick-access__icon--amber { background: rgba(245, 158, 11, 0.1); }
.kn-quick-access__icon--amber i { color: #D97706; }

.kn-quick-access__body { flex: 1; min-width: 0; }
.kn-quick-access__title { font-weight: 700; font-size: 14px; color: var(--color-text); }
.kn-quick-access__sub { font-size: 12px; color: var(--color-muted); margin-top: 1px; }

.kn-quick-access__link {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    flex-shrink: 0;
    transition: border-color 0.15s, color 0.15s;
}

.kn-quick-access__item:hover .kn-quick-access__link {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.kn-quick-access__link i { width: 15px; height: 15px; }

/* ═══════════════════════════════════════════════════════
   4. ТАБЛЕТКИ-НАВИГАЦИЯ ПО КЛАСТЕРАМ (страница направления)
   ═══════════════════════════════════════════════════════ */

.kn-cluster-tabs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.25rem 0.25rem 0.75rem;
    margin-top: 1.75rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.kn-cluster-tabs::-webkit-scrollbar { display: none; }

.kn-cluster-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.125rem;
    border-radius: 9999px;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.9);
    font-size: 13px;
    font-weight: 700;
    color: var(--color-muted);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.kn-cluster-tab:hover { border-color: rgba(13, 148, 136, 0.3); color: var(--color-text); }
.kn-cluster-tab i { width: 15px; height: 15px; flex-shrink: 0; }

.kn-cluster-tab.is-active {
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 16px -6px rgba(0, 0, 0, 0.28);
}

.kn-cluster-tab.is-active i { color: #fff; }

/* ═══════════════════════════════════════════════════════
   5. HERO НАПРАВЛЕНИЯ
   ═══════════════════════════════════════════════════════ */

.kn-topic-hero {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.kn-topic-hero__body { flex: 1; min-width: 0; }

.kn-hero-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kn-hero-icon i { width: 30px; height: 30px; }

@media (max-width: 640px) {
    .kn-topic-hero { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .kn-hero-icon { width: 52px; height: 52px; }
    .kn-hero-icon i { width: 24px; height: 24px; }
}

/* ═══════════════════════════════════════════════════════
   6. ЛЕЙАУТ СТРАНИЦЫ НАПРАВЛЕНИЯ
   ═══════════════════════════════════════════════════════ */

.kn-layout {
    display: grid;
    grid-template-columns: 1fr 292px;
    gap: 2.5rem;
    align-items: start;
}

@media (max-width: 1023px) {
    .kn-layout { grid-template-columns: 1fr; }
}

.kn-sidebar {
    position: sticky;
    top: 6rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

@media (max-width: 1023px) {
    .kn-sidebar { position: static; }
}

.kn-section { margin-bottom: 2.5rem; }

.kn-section__label {
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-muted);
    margin-bottom: 0.875rem;
    display: block;
}

/* ═══════════════════════════════════════════════════════
   7. ПЛЕЙСХОЛДЕР ОБЛОЖКИ (единый для hub / article / guide)
   ═══════════════════════════════════════════════════════ */

.kn-cover-ph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kn-cover-ph--sm i { width: 26px; height: 26px; }
.kn-cover-ph--md i { width: 34px; height: 34px; }
.kn-cover-ph--lg i { width: 48px; height: 48px; }

/* ═══════════════════════════════════════════════════════
   8. ХАБ-КАРТОЧКА
   ═══════════════════════════════════════════════════════ */

.kn-hub-card {
    display: block;
    border-radius: 1.5rem;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    overflow: hidden;
}

.kn-hub-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px -10px rgba(13, 148, 136, 0.16);
}

.kn-hub-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-bg);
}

.kn-hub-cover__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.kn-hub-card__body { padding: 1.75rem 2rem 2rem; }

.kn-hub-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    background: rgba(13, 148, 136, 0.1);
    padding: 3px 10px;
    border-radius: 9999px;
    margin-bottom: 0.875rem;
}

.kn-hub-badge i { width: 12px; height: 12px; }

.kn-hub-title {
    font-family: 'Oswald', system-ui, sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 0.625rem;
    line-height: 1.2;
}

.kn-hub-excerpt {
    font-size: 0.875rem;
    color: var(--color-muted);
    line-height: 1.65;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kn-hub-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
}

.kn-hub-cta i { width: 14px; height: 14px; }

/* ═══════════════════════════════════════════════════════
   9. КАРТОЧКА СТАТЬИ (с миниатюрой)
   ═══════════════════════════════════════════════════════ */

.kn-articles-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.kn-article-card {
    display: grid;
    grid-template-columns: 72px 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.25rem;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: 1.125rem;
    text-decoration: none;
    transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.kn-article-card:hover {
    border-color: rgba(13, 148, 136, 0.28);
    transform: translateX(4px);
    box-shadow: 0 4px 16px -6px rgba(13, 148, 136, 0.1);
}

.kn-article-card__thumb {
    width: 72px;
    height: 72px;
    border-radius: 0.875rem;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-bg);
}

.kn-article-card__thumb-img { width: 100%; height: 100%; object-fit: cover; display: block; }

.kn-article-card__main { min-width: 0; }

.kn-article-card__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.375rem;
}

.kn-badge {
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 2px 8px;
    border-radius: 9999px;
}

.kn-badge--teal   { background: rgba(13, 148, 136, 0.1); color: #0D9488; }
.kn-badge--blue   { background: rgba(59, 130, 246, 0.1); color: #3B82F6; }
.kn-badge--purple { background: rgba(139, 92, 246, 0.1); color: #8B5CF6; }

.kn-article-card__time {
    font-size: 11px;
    color: var(--color-muted);
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.kn-article-card__time i { width: 11px; height: 11px; }

.kn-article-card__title {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.3;
    margin-bottom: 0.25rem;
}

.kn-article-card__excerpt {
    font-size: 0.8125rem;
    color: var(--color-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kn-article-card__arrow {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--color-bg);
    border: 1px solid rgba(229, 231, 235, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    flex-shrink: 0;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.kn-article-card:hover .kn-article-card__arrow {
    background: rgba(13, 148, 136, 0.08);
    border-color: rgba(13, 148, 136, 0.25);
    color: var(--color-primary);
}

.kn-article-card__arrow i { width: 15px; height: 15px; }

/* ═══════════════════════════════════════════════════════
   10. КОРОТКИЕ ОТВЕТЫ
   ═══════════════════════════════════════════════════════ */

.kn-short-list { display: flex; flex-direction: column; gap: 0.375rem; }

.kn-short-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: 0.875rem;
    text-decoration: none;
    transition: border-color 0.15s, background 0.15s;
}

.kn-short-item:hover { border-color: rgba(13, 148, 136, 0.25); background: rgba(13, 148, 136, 0.02); }
.kn-short-item__icon { width: 16px; height: 16px; color: var(--color-primary); flex-shrink: 0; }

.kn-short-item__title {
    flex: 1;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kn-short-item__time { font-size: 11px; color: var(--color-muted); white-space: nowrap; }
.kn-short-item__arrow { width: 13px; height: 13px; color: var(--color-muted); flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════
   11. ПРОТОКОЛЫ — СЕТКА С ОБЛОЖКАМИ
   ═══════════════════════════════════════════════════════ */

.kn-guides-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.125rem;
}

@media (max-width: 767px) {
    .kn-guides-grid { grid-template-columns: 1fr; }
}

.kn-guide-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: 1.25rem;
    overflow: hidden;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.kn-guide-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px -12px rgba(217, 119, 6, 0.2);
    border-color: rgba(245, 158, 11, 0.3);
}

.kn-guide-card__cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--color-bg);
    overflow: hidden;
}

.kn-guide-card__cover-img { width: 100%; height: 100%; object-fit: cover; display: block; }

.kn-guide-card__badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 4px 10px;
    border-radius: 9999px;
    background: rgba(15, 23, 42, 0.72);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.kn-guide-card__badge i { width: 11px; height: 11px; }

.kn-guide-card__body { padding: 1.125rem 1.25rem 0.25rem; flex: 1; }

.kn-guide-card__title {
    font-weight: 700;
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.35;
    margin-bottom: 0.375rem;
}

.kn-guide-card__excerpt {
    font-size: 12.5px;
    color: var(--color-muted);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.kn-guide-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem 1.125rem;
    margin-top: auto;
}

.kn-guide-card__time {
    font-size: 11px;
    color: var(--color-muted);
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.kn-guide-card__time i { width: 12px; height: 12px; }

.kn-guide-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #D97706;
}

.kn-guide-card__cta i { width: 13px; height: 13px; }

/* ═══════════════════════════════════════════════════════
   12. ПУСТОЕ СОСТОЯНИЕ
   ═══════════════════════════════════════════════════════ */

.kn-empty { text-align: center; padding: 4rem 2rem; }

.kn-empty__icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.kn-empty__icon i { width: 28px; height: 28px; color: var(--color-muted); }

.kn-empty__title {
    font-family: 'Oswald', system-ui, sans-serif;
    font-size: 1.375rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.kn-empty__text {
    font-size: 0.9375rem;
    color: var(--color-muted);
    max-width: 380px;
    margin: 0 auto 1.5rem;
    line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════
   13. САЙДБАР
   ═══════════════════════════════════════════════════════ */

.kn-sidebar-block {
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: 1.25rem;
    padding: 1.25rem;
}

.kn-sidebar-block--cta { text-align: left; }

.kn-sidebar-block__icon {
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background: rgba(13, 148, 136, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.875rem;
}

.kn-sidebar-block__icon i { width: 18px; height: 18px; color: var(--color-primary); }

.kn-sidebar-block__title {
    font-size: 9px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-muted);
    margin-bottom: 0.875rem;
    display: block;
}

.kn-sidebar-block__cta-title {
    font-family: 'Oswald', system-ui, sans-serif;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.kn-sidebar-block__text {
    font-size: 12.5px;
    color: var(--color-muted);
    line-height: 1.55;
    margin-bottom: 1rem;
}

.kn-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.625rem 1rem;
    border-radius: 0.75rem;
    background: var(--color-bg);
    border: 1px solid rgba(229, 231, 235, 0.9);
    color: var(--color-text);
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.kn-cta-btn:hover {
    background: rgba(13, 148, 136, 0.08);
    border-color: rgba(13, 148, 136, 0.28);
    color: var(--color-primary);
}

.kn-cta-btn i { width: 14px; height: 14px; }

.kn-wiki-list { display: flex; flex-direction: column; gap: 0.3rem; }

.kn-wiki-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5625rem 0.75rem;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: 0.75rem;
    text-decoration: none;
    transition: border-color 0.15s, background 0.15s;
}

.kn-wiki-item:hover { border-color: rgba(13, 148, 136, 0.28); background: rgba(13, 148, 136, 0.03); }

.kn-wiki-item__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}

.kn-wiki-item__title {
    flex: 1;
    min-width: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kn-wiki-item__arrow { width: 12px; height: 12px; color: var(--color-muted); flex-shrink: 0; }

.kn-sidebar-more {
    display: block;
    margin-top: 0.875rem;
    text-align: center;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    text-decoration: none;
}

.kn-sidebar-more:hover { color: var(--color-text); }

.kn-sidebar-search { display: flex; gap: 0.5rem; }

.kn-sidebar-search-input {
    flex: 1;
    padding: 0.625rem 0.875rem;
    border: 1px solid #D1D5DB;
    border-radius: 0.75rem;
    font-size: 13px;
    font-family: inherit;
    color: var(--color-text);
    background: #fff;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.kn-sidebar-search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.kn-sidebar-search-btn {
    width: 38px;
    height: 38px;
    border-radius: 0.75rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s;
}

.kn-sidebar-search-btn:hover { background: #0f766e; }
.kn-sidebar-search-btn i { width: 16px; height: 16px; }

/* ═══════════════════════════════════════════════════════
   14. НАВИГАЦИЯ МЕЖДУ НАПРАВЛЕНИЯМИ
   ═══════════════════════════════════════════════════════ */

.kn-nav-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(229, 231, 235, 0.85);
    flex-wrap: wrap;
}

.kn-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background: #fff;
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: 1rem;
    text-decoration: none;
    color: var(--color-text);
    transition: border-color 0.2s, transform 0.2s;
    min-width: 150px;
}

.kn-nav-btn--prev:hover { border-color: rgba(13, 148, 136, 0.28); transform: translateX(-3px); }
.kn-nav-btn--next:hover { border-color: rgba(13, 148, 136, 0.28); transform: translateX(3px); }

.kn-nav-btn i { width: 18px; height: 18px; color: var(--color-muted); flex-shrink: 0; }

.kn-nav-btn__label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-muted);
}

.kn-nav-btn__title { font-weight: 700; font-size: 14px; color: var(--color-text); }

.kn-nav-all {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.15s;
}

.kn-nav-all:hover { color: var(--color-text); }
.kn-nav-all i { width: 16px; height: 16px; }

/* ═══════════════════════════════════════════════════════
   15. ЦВЕТОВАЯ СИСТЕМА КЛАСТЕРОВ (8 направлений)
   Один блок на цвет — все компоненты сразу, чтобы при
   добавлении нового кластера нужно было править одно место.
   ═══════════════════════════════════════════════════════ */

/* ---- teal · energy ---- */
.kn-topic-card--teal::before,
.kn-cluster-tab--teal.is-active { background: #0D9488; }
.kn-topic-card__icon--teal { background: rgba(13, 148, 136, 0.1); }
.kn-topic-card__icon--teal i,
.kn-hero-icon--teal i,
.kn-cluster-tab--teal i,
.kn-cover-ph--teal i { color: #0D9488; }
.kn-hero-icon--teal { background: rgba(13, 148, 136, 0.1); }
.kn-hub-card--teal { border-color: rgba(13, 148, 136, 0.2); }
.kn-hub-card--teal .kn-hub-cover { background: linear-gradient(135deg, rgba(13,148,136,.12), rgba(13,148,136,.03)); }
.kn-wiki-item__dot--teal { background: #0D9488; }
.kn-cover-ph--teal { background: rgba(13, 148, 136, 0.08); }

/* ---- purple · sleep ---- */
.kn-topic-card--purple::before,
.kn-cluster-tab--purple.is-active { background: #8B5CF6; }
.kn-topic-card__icon--purple { background: rgba(139, 92, 246, 0.1); }
.kn-topic-card__icon--purple i,
.kn-hero-icon--purple i,
.kn-cluster-tab--purple i,
.kn-cover-ph--purple i { color: #8B5CF6; }
.kn-hero-icon--purple { background: rgba(139, 92, 246, 0.1); }
.kn-hub-card--purple { border-color: rgba(139, 92, 246, 0.2); }
.kn-hub-card--purple .kn-hub-cover { background: linear-gradient(135deg, rgba(139,92,246,.12), rgba(139,92,246,.03)); }
.kn-wiki-item__dot--purple { background: #8B5CF6; }
.kn-cover-ph--purple { background: rgba(139, 92, 246, 0.08); }

/* ---- orange · stress ---- */
.kn-topic-card--orange::before,
.kn-cluster-tab--orange.is-active { background: #F97316; }
.kn-topic-card__icon--orange { background: rgba(249, 115, 22, 0.1); }
.kn-topic-card__icon--orange i,
.kn-hero-icon--orange i,
.kn-cluster-tab--orange i,
.kn-cover-ph--orange i { color: #F97316; }
.kn-hero-icon--orange { background: rgba(249, 115, 22, 0.1); }
.kn-hub-card--orange { border-color: rgba(249, 115, 22, 0.2); }
.kn-hub-card--orange .kn-hub-cover { background: linear-gradient(135deg, rgba(249,115,22,.12), rgba(249,115,22,.03)); }
.kn-wiki-item__dot--orange { background: #F97316; }
.kn-cover-ph--orange { background: rgba(249, 115, 22, 0.08); }

/* ---- green · longevity ---- */
.kn-topic-card--green::before,
.kn-cluster-tab--green.is-active { background: #10B981; }
.kn-topic-card__icon--green { background: rgba(16, 185, 129, 0.1); }
.kn-topic-card__icon--green i,
.kn-hero-icon--green i,
.kn-cluster-tab--green i,
.kn-cover-ph--green i { color: #10B981; }
.kn-hero-icon--green { background: rgba(16, 185, 129, 0.1); }
.kn-hub-card--green { border-color: rgba(16, 185, 129, 0.2); }
.kn-hub-card--green .kn-hub-cover { background: linear-gradient(135deg, rgba(16,185,129,.12), rgba(16,185,129,.03)); }
.kn-wiki-item__dot--green { background: #10B981; }
.kn-cover-ph--green { background: rgba(16, 185, 129, 0.08); }

/* ---- lime · nutrition ---- */
.kn-topic-card--lime::before,
.kn-cluster-tab--lime.is-active { background: #84CC16; }
.kn-topic-card__icon--lime { background: rgba(132, 204, 22, 0.1); }
.kn-topic-card__icon--lime i,
.kn-hero-icon--lime i,
.kn-cluster-tab--lime i,
.kn-cover-ph--lime i { color: #65A30D; }
.kn-hero-icon--lime { background: rgba(132, 204, 22, 0.1); }
.kn-hub-card--lime { border-color: rgba(132, 204, 22, 0.2); }
.kn-hub-card--lime .kn-hub-cover { background: linear-gradient(135deg, rgba(132,204,22,.14), rgba(132,204,22,.03)); }
.kn-wiki-item__dot--lime { background: #84CC16; }
.kn-cover-ph--lime { background: rgba(132, 204, 22, 0.1); }

/* ---- blue · cognition ---- */
.kn-topic-card--blue::before,
.kn-cluster-tab--blue.is-active { background: #3B82F6; }
.kn-topic-card__icon--blue { background: rgba(59, 130, 246, 0.1); }
.kn-topic-card__icon--blue i,
.kn-hero-icon--blue i,
.kn-cluster-tab--blue i,
.kn-cover-ph--blue i { color: #3B82F6; }
.kn-hero-icon--blue { background: rgba(59, 130, 246, 0.1); }
.kn-hub-card--blue { border-color: rgba(59, 130, 246, 0.2); }
.kn-hub-card--blue .kn-hub-cover { background: linear-gradient(135deg, rgba(59,130,246,.12), rgba(59,130,246,.03)); }
.kn-wiki-item__dot--blue { background: #3B82F6; }
.kn-cover-ph--blue { background: rgba(59, 130, 246, 0.08); }

/* ---- red · immunity ---- */
.kn-topic-card--red::before,
.kn-cluster-tab--red.is-active { background: #DC2626; }
.kn-topic-card__icon--red { background: rgba(220, 38, 38, 0.1); }
.kn-topic-card__icon--red i,
.kn-hero-icon--red i,
.kn-cluster-tab--red i,
.kn-cover-ph--red i { color: #DC2626; }
.kn-hero-icon--red { background: rgba(220, 38, 38, 0.1); }
.kn-hub-card--red { border-color: rgba(220, 38, 38, 0.2); }
.kn-hub-card--red .kn-hub-cover { background: linear-gradient(135deg, rgba(220,38,38,.1), rgba(220,38,38,.02)); }
.kn-wiki-item__dot--red { background: #DC2626; }
.kn-cover-ph--red { background: rgba(220, 38, 38, 0.07); }

/* ---- pink · hormones ---- */
.kn-topic-card--pink::before,
.kn-cluster-tab--pink.is-active { background: #EC4899; }
.kn-topic-card__icon--pink { background: rgba(236, 72, 153, 0.1); }
.kn-topic-card__icon--pink i,
.kn-hero-icon--pink i,
.kn-cluster-tab--pink i,
.kn-cover-ph--pink i { color: #DB2777; }
.kn-hero-icon--pink { background: rgba(236, 72, 153, 0.1); }
.kn-hub-card--pink { border-color: rgba(236, 72, 153, 0.2); }
.kn-hub-card--pink .kn-hub-cover { background: linear-gradient(135deg, rgba(236,72,153,.12), rgba(236,72,153,.03)); }
.kn-wiki-item__dot--pink { background: #EC4899; }
.kn-cover-ph--pink { background: rgba(236, 72, 153, 0.08); }

/* ═══════════════════════════════════════════════════════
   16. ДОСТУПНОСТЬ — фокус с клавиатуры
   ═══════════════════════════════════════════════════════ */

.kn-topic-card:focus-visible,
.kn-hub-card:focus-visible,
.kn-article-card:focus-visible,
.kn-guide-card:focus-visible,
.kn-cluster-tab:focus-visible,
.kn-wiki-item:focus-visible,
.kn-short-item:focus-visible,
.kn-cta-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ═══════════════════════════════════════════════════════
   17. АДАПТИВ
   ═══════════════════════════════════════════════════════ */

@media (max-width: 767px) {
    .kn-topics-grid { grid-template-columns: 1fr; }
    .kn-topic-card { padding: 1.375rem; }
    .kn-nav-between { flex-direction: column; }
    .kn-nav-btn { width: 100%; }
    .kn-nav-all { order: -1; }
    .kn-hub-card__body { padding: 1.375rem; }
    .kn-article-card { grid-template-columns: 56px 1fr auto; padding: 0.75rem 1rem; }
    .kn-article-card__thumb { width: 56px; height: 56px; }
}

@media (prefers-reduced-motion: reduce) {
    .kn-topic-card,
    .kn-article-card,
    .kn-guide-card,
    .kn-hub-card,
    .kn-nav-btn,
    .kn-cluster-tab {
        transition: none !important;
    }
}