/* ============================================
 * LRCMS v3.0 — Template: lrcms
 * Собственный CSS, без Bootstrap
 * Тёмная тема, адаптивный дизайн
 * ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-card: #1c2128;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --accent-muted: #1f6feb;
    --border: #30363d;
    --border-light: #21262d;
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
    --radius: 8px;
    --radius-sm: 4px;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
    --header-height: 64px;
    --content-width: 960px;
    --content-width-wide: 1200px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 20px;
}

.container--wide {
    max-width: var(--content-width-wide);
}

/* --- Header --- */
.site-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    text-decoration: none !important;
    letter-spacing: -0.02em;
}

.site-logo:hover {
    color: var(--accent) !important;
}

/* --- Navigation --- */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: 4px;
}

.main-nav ul ul {
    display: none;
}

.main-nav a {
    display: block;
    padding: 8px 14px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    text-decoration: none !important;
    white-space: nowrap;
}

.main-nav a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* --- Dropdown (вложенное меню) --- */
.main-nav li.has-children {
    position: relative;
}

.main-nav li.has-children > a::after {
    content: ' ▾';
    font-size: 0.7rem;
    opacity: 0.6;
}

.main-nav li.has-children:hover > ul.submenu {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    gap: 2px;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    z-index: 200;
}

.main-nav li.has-children:hover > ul.submenu li {
    width: 100%;
}

.main-nav li.has-children:hover > ul.submenu a {
    padding: 8px 14px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.main-nav li.has-children:hover > ul.submenu a:hover {
    background: var(--bg-tertiary);
}

/* Вложенные подменю третьего уровня — раскрываются вправо */
.main-nav ul.submenu li.has-children {
    position: relative;
}

.main-nav ul.submenu li.has-children > a::after {
    content: ' ▸';
    float: right;
    margin-left: 8px;
}

.main-nav ul.submenu li.has-children:hover > ul.submenu {
    top: 0;
    left: 100%;
    margin-left: 4px;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 4px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    line-height: 1;
}

.nav-toggle:hover {
    background: var(--bg-tertiary);
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    padding: 40px 20px;
}

.main-content .container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

/* --- Typography --- */
h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
    line-height: 1.3;
}

h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: 28px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

p {
    margin-bottom: 16px;
    color: var(--text-secondary);
}

/* --- Breadcrumbs --- */
.breadcrumbs {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

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

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

.breadcrumbs .separator {
    margin: 0 8px;
    color: var(--text-muted);
}

/* --- Article List --- */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.article-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.2s ease;
}

.article-card:hover {
    border-color: var(--accent-muted);
}

.article-card__image {
    flex-shrink: 0;
    width: 120px;
    height: 90px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-tertiary);
}

.article-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.article-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.article-card__title a {
    color: var(--text-primary) !important;
    text-decoration: none !important;
}

.article-card__title a:hover {
    color: var(--accent) !important;
}

.article-card__annotation {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Article Detail --- */
.article-header {
    margin-bottom: 24px;
}

.article-header__date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.article-image {
    float: left;
    margin: 0 20px 16px 0;
    max-width: 320px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.article-content {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.article-content p {
    margin-bottom: 16px;
}

.article-navigation {
    clear: both;
    display: flex;
    justify-content: space-between;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.article-navigation a {
    font-weight: 600;
    font-size: 0.95rem;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.pagination__label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-right: 8px;
}

.pagination__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.pagination__item:hover {
    background: var(--accent-muted);
    color: var(--text-primary);
    border-color: var(--accent);
}

.pagination__item.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 600;
}

/* --- Sitemap --- */
.sitemap-list {
    list-style: none;
}

.sitemap-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
}

.sitemap-list li:last-child {
    border-bottom: none;
}

.sitemap-list a {
    font-size: 1rem;
    color: var(--accent);
    text-decoration: none;
}

.sitemap-list a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* --- 404 Page --- */
.error-404 {
    text-align: center;
    padding: 60px 20px;
}

.error-404__code {
    font-size: 5rem;
    font-weight: 800;
    color: var(--accent-muted);
    line-height: 1;
    margin-bottom: 16px;
}

.error-404__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.error-404__text {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.error-404__link {
    display: inline-block;
    padding: 10px 24px;
    background: var(--accent);
    color: #fff !important;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none !important;
    transition: background 0.2s ease;
}

.error-404__link:hover {
    background: var(--accent-hover);
}

/* --- Footer --- */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 24px 0;
    margin-top: auto;
    text-align: center;
}

.site-footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* --- Extra Content (dop_text) --- */
.content-extra {
    margin-top: 24px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: center;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .main-nav ul {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border);
        padding: 8px;
        gap: 2px;
    }

    .main-nav ul.open {
        display: flex;
    }

    /* На мобильных вложенные списки скрыты, пока не нажат родитель */
    .main-nav ul ul {
        display: none;
        position: static;
        box-shadow: none;
        border: none;
        padding: 0 0 0 16px;
        min-width: auto;
        background: transparent;
    }

    .main-nav ul.open li.has-children.open > ul.submenu {
        display: flex;
        flex-direction: column;
    }

    .main-nav li.has-children > a::after {
        content: ' ▾';
        font-size: 0.7rem;
        opacity: 0.6;
    }

    .main-nav ul.submenu li.has-children > a::after {
        content: ' ▾';
    }

    /* Отключаем hover на мобильных */
    .main-nav li.has-children:hover > ul.submenu {
        display: none;
    }

    .main-nav a {
        padding: 12px 16px;
    }

    .nav-toggle {
        display: block;
    }

    .main-content {
        padding: 20px 12px;
    }

    .main-content .container {
        padding: 20px 16px;
    }

    h1 {
        font-size: 1.4rem;
    }

    .article-card {
        flex-direction: column;
    }

    .article-card__image {
        width: 100%;
        height: 160px;
    }

    .article-image {
        float: none;
        display: block;
        margin: 0 0 16px 0;
        max-width: 100%;
    }

    .article-navigation {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .main-content .container {
        padding: 16px 12px;
        border-radius: var(--radius-sm);
    }

    h1 {
        font-size: 1.2rem;
    }

    .article-card__image {
        height: 120px;
    }
}