/* ===================================
   Медиа Сайт - Основные стили
   =================================== */

/* CSS Переменные для тем */
:root {
    /* Тёмная тема (по умолчанию) */
    --bg-primary: #0d1117;
    --bg-secondary: #222222;
    --bg-tertiary: #222222;
    --bg-card: #1c2128;
    
    --text-primary: #f0f6fc;
    --text-secondary: #c9d1d9;
    --text-muted: #8b949e;
    
    --accent-primary: #3fb950;
    --accent-secondary: #2ea043;
    --accent-hover: #56d364;
    
    --border-color: #30363d;
    --border-light: #21262d;
    
    --success: #3fb950;
    --warning: #d29922;
    --danger: #da3633;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
}

/* Светлая тема */
body.theme-light {
    --bg-primary: #ffffff;
    --bg-secondary: #222222;
    --bg-tertiary: #222222;
    --bg-card: #ffffff;
    
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8b949e;
    
    --accent-primary: #3fb950;
    --accent-secondary: #2ea043;
    --accent-hover: #56d364;
    
    --border-color: #d0d7de;
    --border-light: #eaeef2;
    
    --shadow-sm: 0 1px 3px rgba(31, 35, 40, 0.12);
    --shadow-md: 0 4px 12px rgba(31, 35, 40, 0.16);
    --shadow-lg: 0 8px 24px rgba(31, 35, 40, 0.2);
}

/* Сброс стилей */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Контейнер */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Шапка сайта
   =================================== */
.site-header {
    background-color: #222222;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 20px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.logo:hover h1 {
    color: var(--accent-primary);
}

/* Навигация */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

/* Выпадающее меню */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    list-style: none;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Кнопка меню для мобильных */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Действия в шапке */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--accent-primary);
    background-color: var(--bg-tertiary);
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }

body.theme-light .theme-toggle .icon-sun { display: inline; }
body.theme-light .theme-toggle .icon-moon { display: none; }

.admin-link {
    padding: 8px 16px;
    background-color: var(--accent-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

.admin-link:hover {
    background-color: var(--accent-secondary);
}

/* ===================================
   Основной контент
   =================================== */
.site-main {
    flex: 1;
    padding: 32px 0;
}

/* ===================================
   Сетка медиа
   =================================== */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.media-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.media-card-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--bg-tertiary);
}

.media-card-image img,
.media-card-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.media-card:hover .media-card-image img,
.media-card:hover .media-card-image video {
    transform: scale(1.05);
}

.media-type-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 8px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.media-card-content { padding: 12px; }
.media-card-title { font-size: 0.9rem; font-weight: 500; margin-bottom: 4px; }
.media-card-meta { font-size: 0.8rem; color: var(--text-muted); }

/* ===================================
   Пагинация
   =================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 32px 0;
    flex-wrap: wrap;
}

.pagination-btn {
    padding: 8px 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.pagination-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.pagination-btn.active {
    background-color: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* ===================================
   Подвал
   =================================== */
.site-footer {
    background-color: #222222;
    border-top: 1px solid var(--border-color);
    padding: 40px 0 20px;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h3 { font-size: 1.25rem; margin-bottom: 12px; }
.footer-section h4 { font-size: 1rem; margin-bottom: 12px; }
.footer-section p { color: var(--text-secondary); font-size: 0.9rem; }
.footer-section ul { list-style: none; }
.footer-section ul li { margin-bottom: 8px; }
.footer-section ul li a { color: var(--text-secondary); text-decoration: none; transition: color var(--transition-fast); }
.footer-section ul li a:hover { color: var(--accent-primary); }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p { color: var(--text-muted); font-size: 0.875rem; }

/* ===================================
   Адаптивный дизайн
   =================================== */
@media (max-width: 768px) {
    .header-content { flex-wrap: wrap; }
    .main-nav { order: 3; width: 100%; display: none; }
    .main-nav.active { display: block; }
    .menu-toggle { display: flex; }
    .nav-menu { flex-direction: column; width: 100%; }
    .nav-link { padding: 12px 16px; }
    .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background-color: var(--bg-tertiary); margin-top: 8px; }
    .media-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
    .media-card-image { height: 150px; }
    .footer-content { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .media-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .media-card-content { padding: 8px; }
    .media-card-title { font-size: 0.8rem; }
}

/* ===================================
   Утилиты
   =================================== */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* Новости */
.news-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all var(--transition-fast);
}

.news-card:hover {
    border-color: var(--accent-primary);
}

.news-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.news-card-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.news-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.news-excerpt {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.news-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Страницы */
.page-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-content h1 {
    margin-bottom: 24px;
    color: var(--text-primary);
}

.page-body {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Фильтры */
.filters {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    padding: 16px;
    background-color: #222222;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-group label {
    color: var(--text-secondary);
    font-weight: 500;
}

.filter-select {
    padding: 8px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
}

.filter-btn {
    padding: 6px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Хлебные крошки */
.breadcrumbs {
    padding: 12px 0;
}

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

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

.breadcrumbs span {
    color: var(--text-muted);
}

/* Пустое состояние */
.empty-state {
    padding: 60px 20px;
    color: var(--text-muted);
}

/* Карточки админки */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: #222222;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-body {
    padding: 20px;
    background-color: #222222;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

/* Уведомления */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.alert-success {
    background-color: rgba(35, 134, 54, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-warning {
    background-color: rgba(210, 153, 34, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-danger {
    background-color: rgba(218, 54, 51, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

/* Превью медиа */
.media-preview {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary { background-color: var(--accent-primary); color: white; }
.btn-primary:hover { background-color: var(--accent-secondary); }
.btn-secondary { background-color: var(--bg-tertiary); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { background-color: var(--border-color); }
.btn-danger { background-color: var(--danger); color: white; }
.btn-danger:hover { background-color: #b62324; }

/* ===================================
   Модальное окно
   =================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
    overflow-y: auto;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    color: var(--text-secondary);
}

/* ===================================
   Карточка медиа - улучшенная версия
   =================================== */
.media-card {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

/* Ссылка на раздел над картинкой */
.media-card-category {
    display: block;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.media-card-category:hover {
    background-color: var(--border-color);
    color: var(--accent-hover);
}

/* Изображение в карточке */
.media-card-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: #222222;
}

.media-card-image img,
.media-card-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.media-card:hover .media-card-image img,
.media-card:hover .media-card-image video {
    transform: scale(1.05);
}

/* Видео с автовоспроизведением */
.autoplay-video {
    object-fit: cover;
}

/* Бейдж типа файла */
.media-type-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 8px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

/* Контент карточки */
.media-card-content {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    background-color: #222222;
}

.media-card-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Информация о формате и размере */
.media-card-info {
    display: flex;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.media-card-format,
.media-card-size {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Кнопка "Подробнее" */
.btn-details {
    width: 100%;
    margin-top: auto;
}

/* ===================================
   Модальное окно с деталями медиа
   =================================== */
.modal-media-details {
    max-width: 800px;
    width: 95%;
}

.media-preview-large {
    width: 100%;
    margin-bottom: 24px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: #222222;
}

.media-preview-large img,
.media-preview-large video {
    width: 100%;
    display: block;
}

.no-preview {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
}

/* Информация о деталях */
.media-details-info {
    margin-bottom: 24px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 150px;
}

.detail-value {
    color: var(--text-primary);
    text-align: right;
    word-break: break-word;
}

.detail-value a {
    color: var(--accent-primary);
    text-decoration: none;
}

.detail-value a:hover {
    text-decoration: underline;
}

/* Действия в модальном окне */
.modal-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.modal-actions .btn {
    flex: 1;
    min-width: 200px;
}

/* ===================================
   Адаптивность для мобильных устройств
   =================================== */
@media (max-width: 768px) {
    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .media-card-image {
        height: 150px;
    }
    
    .media-card-content {
        padding: 10px;
    }
    
    .media-card-title {
        font-size: 0.85rem;
    }
    
    .modal-media-details {
        width: 100%;
        max-width: 100%;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .detail-row {
        flex-direction: column;
        gap: 4px;
    }
    
    .detail-value {
        text-align: left;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .media-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .media-card-info {
        font-size: 0.75rem;
    }
}

/* ===================================
   Карточка последней новости
   =================================== */
.latest-news-card {
    margin-top: 20px;
    padding: 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-md);
}

.latest-news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.news-badge {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.news-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.latest-news-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.latest-news-excerpt {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.latest-news-link {
    display: inline-block;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.latest-news-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ===================================
   Кнопка применения фильтров
   =================================== */
.filter-actions {
    align-self: flex-end;
}

/* ===================================
   Кнопка переключения звука видео
   =================================== */
.video-sound-toggle {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: rgba(0, 0, 0, 0.6);
    border: none;
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color var(--transition-fast);
    z-index: 10;
}

.video-sound-toggle:hover {
    background-color: rgba(0, 0, 0, 0.8);
}