/* ============================================================
 * VOENSCHET — РЕГИОНАЛЬНЫЕ СТРАНИЦЫ (Programmatic SEO)
 * /region/, /region/{slug}/, /region/{slug}/{topic}/
 * 
 * @version 1.0
 * ============================================================ */

/* === HERO === */
.vs-region-hero {
    background: linear-gradient(135deg, var(--c-primary-dark, #1a365d) 0%, var(--c-primary, #2563eb) 100%);
    color: #fff;
    padding: 2.5rem 0;
    margin-bottom: 2rem;
}

.vs-region-hero h1,
.vs-region-hero h2,
.vs-region-hero p,
.vs-region-hero span {
    color: inherit;
}

.vs-region-hero--hub {
    padding: 2rem 0 2.5rem;
}

.vs-region-hero__title {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 800;
    margin: 0 0 0.75rem;
    line-height: 1.2;
    color: #fff !important;
}

.vs-region-hero__desc {
    font-size: 1rem;
    opacity: 0.9;
    max-width: 700px;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.vs-region-hub-header__district {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.7;
    margin-bottom: 0.25rem;
}

/* Hero Stats */
.vs-region-hero__stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.vs-region-hero__stat {
    text-align: center;
}

.vs-region-hero__stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
}

.vs-region-hero__stat-label {
    font-size: 0.75rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === KPI (ключевые показатели региона) === */
.vs-region-kpi {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.vs-region-kpi__item {
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    text-align: center;
}

.vs-region-kpi__item--north {
    background: rgba(52, 211, 153, 0.2);
}

.vs-region-kpi__value {
    display: block;
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.2;
}

.vs-region-kpi__label {
    font-size: 0.7rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* === SEARCH === */
.vs-region-search {
    margin-bottom: 2rem;
}

.vs-region-search__box {
    max-width: 500px;
}

.vs-region-search__input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--c-border, #e2e8f0);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s;
    background: var(--c-surface, #fff);
    color: var(--c-text, #1e293b);
}

.vs-region-search__input:focus {
    outline: none;
    border-color: var(--c-primary, #2563eb);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* === DISTRICT / GRID === */
.vs-region-district {
    margin-bottom: 2rem;
}

.vs-region-district__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--c-primary, #2563eb);
    color: var(--c-text, #1e293b);
}

.vs-region-district__count {
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--c-text-light, #64748b);
}

.vs-region-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.75rem;
}

/* === REGION CARD (архив) === */
.vs-region-card {
    display: block;
    padding: 1rem 1.25rem;
    background: var(--c-surface, #fff);
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 8px;
    text-decoration: none;
    color: var(--c-text, #1e293b);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.vs-region-card:hover {
    border-color: var(--c-primary, #2563eb);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
    color: var(--c-text, #1e293b);
    text-decoration: none;
}

.vs-region-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.vs-region-card__name {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.vs-region-card__badge {
    background: var(--c-primary, #2563eb);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    flex-shrink: 0;
}

.vs-region-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.vs-region-card__tag {
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    background: var(--c-bg-alt, #f1f5f9);
    color: var(--c-text-light, #64748b);
}

.vs-region-card__tag--coeff {
    background: rgba(37, 99, 235, 0.1);
    color: var(--c-primary, #2563eb);
}

.vs-region-card__tag--north {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.vs-region-no-results {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--c-text-light, #64748b);
    font-size: 1.1rem;
}

/* === TOPICS GRID (хаб) === */
.vs-section-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--c-text, #1e293b);
}

.vs-region-topics {
    margin-bottom: 2rem;
}

.vs-region-topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.vs-region-topic-card {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    background: var(--c-surface, #fff);
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 10px;
    text-decoration: none;
    color: var(--c-text, #1e293b);
    transition: all 0.2s;
    position: relative;
}

.vs-region-topic-card:hover {
    border-color: var(--c-primary, #2563eb);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.12);
    transform: translateY(-2px);
    text-decoration: none;
    color: var(--c-text, #1e293b);
}

.vs-region-topic-card__icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.vs-region-topic-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.4rem;
}

.vs-region-topic-card__desc {
    font-size: 0.8rem;
    color: var(--c-text-light, #64748b);
    line-height: 1.4;
    flex-grow: 1;
    margin: 0;
}

.vs-region-topic-card__arrow {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    font-size: 1.2rem;
    color: var(--c-primary, #2563eb);
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
}

.vs-region-topic-card:hover .vs-region-topic-card__arrow {
    opacity: 1;
    transform: translateX(3px);
}

/* === QUICKINFO (хаб) === */
.vs-region-quickinfo {
    margin-bottom: 2rem;
    padding: 2rem 0;
    background: var(--c-bg-alt, #f8fafc);
    border-radius: 0;
}

.vs-region-quickinfo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.vs-region-quickinfo__item dt {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--c-text-light, #64748b);
    margin-bottom: 0.2rem;
}

.vs-region-quickinfo__item dd {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-text, #1e293b);
    margin: 0;
}

/* === NEIGHBORS === */
.vs-region-neighbors-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.vs-region-neighbor-link {
    padding: 0.5rem 1rem;
    background: var(--c-surface, #fff);
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 6px;
    text-decoration: none;
    color: var(--c-text, #1e293b);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.vs-region-neighbor-link:hover {
    border-color: var(--c-primary, #2563eb);
    color: var(--c-primary, #2563eb);
    text-decoration: none;
}

.vs-region-neighbor-link small {
    opacity: 0.6;
}

/* === ARTICLE (тема) === */
.vs-region-article__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.vs-region-article__icon {
    font-size: 1.5rem;
}

.vs-region-article__district {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--c-primary, #2563eb);
    background: rgba(37, 99, 235, 0.08);
    padding: 0.15rem 0.6rem;
    border-radius: 4px;
}

.vs-region-article__date {
    font-size: 0.75rem;
    color: var(--c-text-light, #64748b);
}

.vs-region-article__title {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 800;
    line-height: 1.3;
    margin: 0 0 1.5rem;
}

/* === INFOBOX (данные региона, sticky) === */
.vs-region-infobox {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--c-bg-alt, #f0f4f8);
    border-radius: 8px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--c-primary, #2563eb);
}

.vs-region-infobox__item {
    display: flex;
    flex-direction: column;
    min-width: 120px;
}

.vs-region-infobox__label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--c-text-light, #64748b);
}

.vs-region-infobox__value {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--c-primary, #2563eb);
}

/* === CONTENT SECTIONS === */
.vs-region-section {
    margin-bottom: 2rem;
}

.vs-region-section h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--c-text, #1e293b);
}

.vs-region-section p {
    line-height: 1.7;
    color: var(--c-text, #1e293b);
}

/* Highlight box */
.vs-region-highlight {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(37, 99, 235, 0.02) 100%);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-left: 4px solid var(--c-primary, #2563eb);
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1.5rem 0;
}

.vs-region-highlight strong {
    color: var(--c-primary-dark, #1e40af);
}

.vs-region-highlight p {
    margin: 0.5rem 0 0;
}

/* CTA box */
.vs-region-cta {
    background: linear-gradient(135deg, var(--c-primary-dark, #1a365d) 0%, var(--c-primary, #2563eb) 100%);
    color: #fff;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem 0;
    text-align: center;
}

.vs-region-cta h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: #fff;
}

.vs-region-cta p {
    opacity: 0.9;
    margin-bottom: 1rem;
    color: #fff;
}

.vs-region-cta .btn {
    background: #fff;
    color: var(--c-primary, #2563eb);
    font-weight: 700;
    border: none;
    padding: 0.75rem 2rem;
}

.vs-region-cta .btn:hover {
    background: #f0f0f0;
    transform: translateY(-1px);
}

/* List */
.vs-region-list {
    padding-left: 1.25rem;
}

.vs-region-list li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* === FAQ === */
.vs-region-faq {
    margin: 2rem 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--c-border, #e2e8f0);
}

.vs-region-faq h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.vs-faq-item {
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.vs-faq-question {
    padding: 0.9rem 1.25rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.2s;
}

.vs-faq-question::-webkit-details-marker {
    display: none;
}

.vs-faq-question::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--c-primary, #2563eb);
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: 1rem;
}

.vs-faq-item[open] .vs-faq-question::after {
    content: '−';
}

.vs-faq-question:hover {
    background: var(--c-bg-alt, #f8fafc);
}

.vs-faq-answer {
    padding: 0 1.25rem 1rem;
    color: var(--c-text, #374151);
    line-height: 1.7;
}

/* === NAV (другие темы) === */
.vs-region-nav {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--c-border, #e2e8f0);
}

.vs-region-nav h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.vs-region-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.5rem;
}

.vs-region-nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.75rem;
    background: var(--c-bg-alt, #f8fafc);
    border-radius: 6px;
    text-decoration: none;
    color: var(--c-text, #1e293b);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.15s;
}

.vs-region-nav-link:hover {
    background: var(--c-primary, #2563eb);
    color: #fff;
    text-decoration: none;
}

/* === SIDEBAR === */
.vs-region-sidebar-dl dt {
    font-size: 0.75rem;
    color: var(--c-text-light, #64748b);
    margin-bottom: 0.1rem;
}

.vs-region-sidebar-dl dd {
    margin: 0 0 0.6rem;
    font-size: 0.9rem;
}

/* === RELATED === */
.vs-region-related-list {
    padding-left: 1rem;
}

.vs-region-related-list li {
    margin-bottom: 0.5rem;
}

.vs-region-related-list a {
    font-weight: 500;
}

/* === RESPONSIVE === */
@media (max-width: 767px) {
    .vs-region-hero {
        padding: 1.5rem 0;
    }

    .vs-region-hero__stats {
        gap: 1.5rem;
    }

    .vs-region-kpi {
        grid-template-columns: repeat(2, 1fr);
    }

    .vs-region-grid {
        grid-template-columns: 1fr;
    }

    .vs-region-topics-grid {
        grid-template-columns: 1fr;
    }

    .vs-region-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .vs-region-infobox {
        gap: 0.75rem;
    }

    .vs-region-quickinfo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* === DARK THEME === */
[data-theme="dark"] .vs-region-card {
    background: var(--c-surface);
    border-color: var(--c-border);
}

[data-theme="dark"] .vs-region-search__input {
    background: var(--c-surface);
    color: var(--c-text);
    border-color: var(--c-border);
}

[data-theme="dark"] .vs-region-topic-card {
    background: var(--c-surface);
    border-color: var(--c-border);
}

[data-theme="dark"] .vs-region-highlight {
    background: rgba(37, 99, 235, 0.1);
    border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="dark"] .vs-faq-item {
    border-color: var(--c-border);
}

[data-theme="dark"] .vs-faq-question:hover {
    background: var(--c-bg-alt);
}

[data-theme="dark"] .vs-region-nav-link {
    background: var(--c-bg-alt);
    color: var(--c-text);
}

[data-theme="dark"] .vs-region-quickinfo {
    background: var(--c-bg-alt);
}

/* === ANTI-CANNIBALIZATION BANNER === */
.vs-region-existing-article {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.02) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-left: 4px solid #10b981;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.vs-region-existing-article__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.vs-region-existing-article__text {
    flex-grow: 1;
}

.vs-region-existing-article__text strong {
    display: block;
    margin-bottom: 0.25rem;
    color: #065f46;
}

.vs-region-existing-article__text p {
    margin: 0;
    font-size: 0.85rem;
    color: #047857;
}

[data-theme="dark"] .vs-region-existing-article {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.25);
}

[data-theme="dark"] .vs-region-existing-article__text strong {
    color: #34d399;
}

[data-theme="dark"] .vs-region-existing-article__text p {
    color: #6ee7b7;
}

@media (max-width: 767px) {
    .vs-region-existing-article {
        flex-direction: column;
        text-align: center;
    }
}