/* ============================================
   СТИЛИ ДЛЯ СТРАНИЦЫ СТАТЬИ
   ============================================
   Стили для содержания статьи с поддержкой TOC
   ============================================ */

@import url('variables.css');

/* ============================================
   СТРАНИЦА СТАТЬИ
   ============================================ */
.article-page {
    margin-top: 0;
}

.article-header {
    margin-bottom: 40px;
}

.article-hero-image {
    width: 100%;
    aspect-ratio: 21/9;
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.article-lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.article-meta-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.article-meta-item i {
    color: var(--primary);
}

.category-link {
    color: var(--primary);
    font-weight: 600;
}

.category-link:hover {
    text-decoration: underline;
}

/* Шаринг */
.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    transition: var(--transition-base);
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.share-btn.telegram {
    background: var(--tg-color);
}

.share-btn.vk {
    background: var(--vk-color);
}

/* ============================================
   ТЕЛО СТАТЬИ (КОНТЕЙНЕР)
   ============================================ */
.article-body {
    max-width: 780px;
    margin: 0 auto;
}

.page-content {
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--text-primary);
}

.page-content > * + * {
    margin-top: 1.8em;
}

/* ============================================
   СОДЕРЖАНИЕ (TOC)
   ============================================ */
.article-toc {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
    margin: 2em 0;
}

.article-toc-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.article-toc-title i {
    color: var(--primary);
}

.article-toc-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.article-toc-list li {
    padding: 0 !important;
    margin: 0 0 8px 0 !important;
}

.article-toc-list li::before {
    display: none !important;
}

.article-toc-list li:last-child {
    margin-bottom: 0 !important;
}

.article-toc-list a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    font-size: 1rem;
    line-height: 1.5;
}

.article-toc-list a:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

.article-toc-list a::before {
    content: attr(data-number);
    color: var(--primary);
    font-weight: 600;
    flex-shrink: 0;
    min-width: 24px;
}

/* ============================================
   ЗАГОЛОВКИ В СТАТЬЕ (с якорями)
   ============================================ */
.page-content h1,
.page-content h2,
.page-content h3,
.page-content h4,
.page-content h5,
.page-content h6 {
    position: relative;
    scroll-margin-top: 100px;
}

.page-content h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 1.5em;
    margin-bottom: 0.6em;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.page-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2em;
    margin-bottom: 0.8em;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.page-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.8em;
    margin-bottom: 0.7em;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.page-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.5em;
    margin-bottom: 0.6em;
    line-height: 1.3;
}

.page-content h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.3em;
    margin-bottom: 0.5em;
    line-height: 1.3;
}

.page-content h6 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 1.2em;
    margin-bottom: 0.5em;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Якорные ссылки для заголовков */
.page-content h2[id]::before,
.page-content h3[id]::before,
.page-content h4[id]::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: var(--primary);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71' fill='none' stroke='currentColor' stroke-width='2'/%3E%3Cpath d='M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71' fill='none' stroke='currentColor' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
    mask-size: contain;
    opacity: 0;
    transition: opacity 0.2s ease;
    cursor: pointer;
}

.page-content h2[id]:hover::before,
.page-content h3[id]:hover::before,
.page-content h4[id]:hover::before {
    opacity: 1;
}

/* ============================================
   ПАРАГРАФЫ И ТЕКСТ
   ============================================ */
.page-content p {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1.2em;
}

.page-content p:last-child {
    margin-bottom: 0;
}

/* Ссылки */
.page-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.page-content a:hover {
    color: var(--primary-dark);
}

/* Выделенный текст */
.page-content strong,
.page-content b {
    color: var(--text-primary);
    font-weight: 700;
}

.page-content em,
.page-content i {
    font-style: italic;
}

.page-content u {
    text-decoration: underline;
}

.page-content s,
.page-content strike {
    text-decoration: line-through;
}

.page-content mark {
    background: #fef3c7;
    padding: 2px 6px;
    border-radius: 3px;
}

.page-content small {
    font-size: 0.85em;
    color: var(--text-muted);
}

/* ============================================
   СПИСКИ
   ============================================ */
.page-content ul,
.page-content ol {
    padding-left: 0;
    margin-top: 1.2em;
    margin-bottom: 1.2em;
}

/* Маркированный список */
.page-content ul {
    list-style: none;
}

.page-content ul li {
    position: relative;
    padding-left: 1.8em;
    margin-bottom: 0.7em;
    color: var(--text-secondary);
}

.page-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

/* Нумерованный список */
.page-content ol {
    list-style: none;
    counter-reset: item;
}

.page-content ol li {
    position: relative;
    padding-left: 2.2em;
    margin-bottom: 0.7em;
    color: var(--text-secondary);
}

.page-content ol li::before {
    counter-increment: item;
    content: counter(item) '.';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1em;
}

/* Вложенные списки */
.page-content ul ul,
.page-content ol ol,
.page-content ul ol,
.page-content ol ul {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

/* ============================================
   ИЗОБРАЖЕНИЯ
   ============================================ */
.page-content img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin: 1.5em 0;
}

.page-content figure {
    margin: 2em 0;
}

.page-content figcaption {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 12px;
    font-style: italic;
}

/* ============================================
   ЦИТАТЫ
   ============================================ */
.page-content blockquote {
    background: var(--primary-bg);
    border-left: 4px solid var(--primary);
    padding: 24px 28px;
    margin: 2em 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.page-content blockquote p {
    margin-bottom: 0;
}

.page-content blockquote p:last-child {
    margin-bottom: 0;
}

.page-content blockquote cite {
    display: block;
    margin-top: 16px;
    font-size: 0.9rem;
    font-style: normal;
    color: var(--text-muted);
}

.page-content blockquote cite::before {
    content: '— ';
}

/* ============================================
   ТАБЛИЦЫ
   ============================================ */
.page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2em 0;
    font-size: 1rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.page-content thead {
    background: var(--primary);
    color: white;
}

.page-content th {
    padding: 16px 20px;
    text-align: left;
    font-weight: 600;
}

.page-content td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.page-content tbody tr {
    background: var(--bg-primary);
    transition: var(--transition-base);
}

.page-content tbody tr:nth-child(even) {
    background: var(--bg-secondary);
}

.page-content tbody tr:hover {
    background: var(--primary-bg);
}

.page-content tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   КОД
   ============================================ */
.page-content code {
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--primary-dark);
}

.page-content pre {
    background: var(--bg-dark);
    color: var(--bg-primary);
    padding: 24px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 2em 0;
}

.page-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   РАЗДЕЛИТЕЛИ
   ============================================ */
.page-content hr {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 2.5em 0;
}

/* ============================================
   ИНФОБЛОКИ
   ============================================ */
.page-content .info-box,
.page-content .alert,
.page-content .notice {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 2em 0;
}

.page-content .info-box-title,
.page-content .alert-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-content .info-box-title i,
.page-content .alert-title i {
    color: var(--primary);
}

/* Предупреждение */
.page-content .warning,
.page-content .alert-warning {
    background: #fef3c7;
    border-color: #f59e0b;
}

.page-content .warning .info-box-title i,
.page-content .alert-warning .alert-title i {
    color: #f59e0b;
}

/* Успех */
.page-content .success,
.page-content .alert-success {
    background: #d1fae5;
    border-color: #10b981;
}

.page-content .success .info-box-title i,
.page-content .alert-success .alert-title i {
    color: #10b981;
}

/* Ошибка */
.page-content .error,
.page-content .alert-danger {
    background: #fee2e2;
    border-color: #ef4444;
}

.page-content .error .info-box-title i,
.page-content .alert-danger .alert-title i {
    color: #ef4444;
}

/* Информация */
.page-content .info,
.page-content .alert-info {
    background: #dbeafe;
    border-color: #3b82f6;
}

.page-content .info .info-box-title i,
.page-content .alert-info .alert-title i {
    color: #3b82f6;
}

/* ============================================
   РЕКЛАМНЫЕ БЛОКИ
   ============================================ */
.article-ad {
    margin: 2em 0;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    text-align: center;
}

.article-ad-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* ============================================
   ТЕГИ СТАТЬИ
   ============================================ */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.article-tag {
    padding: 8px 18px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.article-tag:hover {
    background: var(--primary);
    color: white;
}

/* ============================================
   АВТОР СТАТЬИ
   ============================================ */
.article-author-box {
    display: flex;
    gap: 24px;
    padding: 28px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-top: 40px;
}

.author-box-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-box-info {
    flex: 1;
}

.author-box-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.author-box-role {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.author-box-bio {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   СВЯЗАННЫЕ СТАТЬИ
   ============================================ */
.related-articles {
    margin-top: 48px;
}

/* ============================================
   АДАПТИВНОСТЬ
   ============================================ */
@media (max-width: 767px) {
    .article-title {
        font-size: 1.75rem;
    }

    .article-hero-image {
        aspect-ratio: 16/9;
    }

    .page-content {
        font-size: 1.05rem;
    }

    .page-content h2 {
        font-size: 1.5rem;
    }

    .page-content h3 {
        font-size: 1.25rem;
    }

    .page-content h4 {
        font-size: 1.1rem;
    }

    .page-content table {
        font-size: 0.9rem;
    }

    .page-content th,
    .page-content td {
        padding: 12px 14px;
    }

    .article-meta-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .share-buttons {
        width: 100%;
        justify-content: flex-start;
    }

    .article-author-box {
        flex-direction: column;
        text-align: center;
    }

    .author-box-avatar {
        margin: 0 auto;
    }

    .article-body {
        max-width: 100%;
    }

    .page-content blockquote {
        padding: 20px;
    }

    .article-toc {
        padding: 20px;
    }

    .article-toc-list a {
        padding: 8px 12px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 1.5rem;
    }

    .article-lead {
        font-size: 1.1rem;
    }

    .page-content h2 {
        font-size: 1.35rem;
    }

    .page-content h3 {
        font-size: 1.2rem;
    }
}