/*
 * CUSTOM CSS ДЛЯ OJS 3.3.0.12 - СТИЛЬ "INTERRESEARCHIA PRESS" (ВЕРСИЯ 7 - ФИНАЛЬНАЯ)
 * - ИСПРАВЛЕН ХЕДЕР С БОЛЬШИМ ЛОГОТИПОМ
 * - Логотип теперь нормального размера
 * - Меню красиво выровнено
 */

/* --- 0. CSS ПЕРЕМЕННЫЕ --- */
:root {
    --primary-color: #003366;
    --primary-dark: #002445;
    --secondary-color: #007bff;
    --secondary-hover: #0056b3;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --border-light: #f0f5fa;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    --transition-fast: all 0.15s ease;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 8px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, var(--light-bg) 0%, #ffffff 100%);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- 1. ТИПОГРАФИЯ --- */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    line-height: 1.3;
    margin: 0 0 15px 0;
    font-weight: 700;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

.page_title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    border-bottom: 3px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 30px;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover, a:focus {
    color: var(--secondary-hover);
}

/* --- 2. ХЕДЕР (ИСПРАВЛЕННЫЙ) --- */
.pkp_structure_head {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-bottom: 3px solid var(--secondary-color);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
}

/* Скрываем Skip links визуально, но оставляем для accessibility */
.cmp_skip_to_content {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.cmp_skip_to_content a:focus {
    position: fixed;
    left: 10px;
    top: 10px;
    width: auto;
    height: auto;
    padding: 10px 15px;
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--secondary-color);
    border-radius: var(--radius);
    z-index: 10000;
}

/* Главный wrapper хедера */
.pkp_head_wrapper {
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
}

/* Верхняя часть: логотип + Register/Login */
.pkp_site_name_wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 25px;
}

/* Скрываем кнопку мобильного меню на десктопе */
.pkp_site_nav_toggle {
    display: none;
}

/* Скрываем H1 для screen readers */
.pkp_screen_reader {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Логотип */
.pkp_site_name {
    display: flex;
    align-items: center;
}

.pkp_site_name a.is_img {
    display: inline-block;
}

.pkp_site_name .is_img img {
    width: 231;
    height: 160;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 6px 10px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    object-fit: contain;
}

.pkp_site_name .is_img img:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Навигация пользователя (Register/Login) */
.pkp_navigation_user_wrapper {
    display: flex;
    align-items: center;
}

.pkp_navigation_user {
    display: flex;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pkp_navigation_user li {
    margin: 0;
}

.pkp_navigation_user a {
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.pkp_navigation_user a:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

/* --- 3. ГЛАВНОЕ МЕНЮ НАВИГАЦИИ --- */
.pkp_site_nav_menu {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.08) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pkp_navigation_primary_row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 25px;
}

.pkp_navigation_primary_wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
}

.pkp_navigation_primary {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.pkp_navigation_primary > li {
    margin: 0;
    position: relative;
}

.pkp_navigation_primary > li > a {
    display: block;
    color: var(--white);
    padding: 14px 18px;
    border-bottom: 3px solid transparent;
    transition: var(--transition-fast);
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
}

.pkp_navigation_primary > li > a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-bottom-color: var(--secondary-color);
}

.pkp_navigation_primary > li > a.current {
    background-color: rgba(255, 255, 255, 0.15);
    border-bottom-color: var(--secondary-color);
}

/* Dropdown меню */
.pkp_navigation_primary .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    list-style: none;
    margin: 0;
    padding: 8px 0;
    display: none;
    z-index: 1001;
}

.pkp_navigation_primary li:hover .dropdown-menu {
    display: block;
}

.pkp_navigation_primary .dropdown-menu li {
    margin: 0;
}

.pkp_navigation_primary .dropdown-menu a {
    display: block;
    padding: 10px 18px;
    color: var(--text-dark);
    transition: var(--transition-fast);
    border-bottom: none;
}

.pkp_navigation_primary .dropdown-menu a:hover {
    background-color: var(--light-bg);
    color: var(--secondary-color);
}

/* Поиск */
.pkp_navigation_search_wrapper {
    display: flex;
    align-items: center;
}

.pkp_search {
    color: var(--white);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pkp_search:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.pkp_search .fa-search {
    font-size: 1rem;
}

/* --- 4. МАКЕТ СТРАНИЦЫ --- */
.pkp_structure_page {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pkp_structure_content {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 30px 20px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.pkp_structure_content.has_sidebar {
    grid-template-columns: 1fr 300px;
}

.pkp_page_index .pkp_structure_content {
    grid-template-columns: 1fr;
}

.pkp_structure_main {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 35px;
    box-shadow: var(--shadow-sm);
    grid-column: 1 / -1;
}

.pkp_page_index .pkp_structure_main {
    grid-column: 1;
}

/* --- 5. БОКОВАЯ КОЛОНКА --- */
.pkp_structure_sidebar {
    padding-top: 10px;
}

.pkp_block {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: var(--transition);
}

.pkp_block:hover {
    box-shadow: var(--shadow-sm);
}

.pkp_block .title {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 14px 18px;
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.pkp_block .content {
    padding: 16px 18px;
}

.pkp_block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pkp_block li a {
    display: block;
    padding: 10px 0;
    color: var(--secondary-color);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.pkp_block li:last-child a {
    border-bottom: none;
}

.pkp_block li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

/* --- 6. СПИСОК ЖУРНАЛОВ НА ГЛАВНОЙ --- */
.page_index_site .journals > ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.page_index_site .journals > ul > li {
    display: flex;
    gap: 25px;
    align-items: flex-start;
    padding: 28px 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.page_index_site .journals > ul > li:first-child {
    padding-top: 25px;
}

.page_index_site .journals > ul > li:last-child {
    border-bottom: none;
}

.page_index_site .journals > ul > li:hover {
    background: linear-gradient(90deg, rgba(0, 51, 102, 0.02) 0%, transparent 100%);
    padding-left: 15px;
    padding-right: 15px;
}

.page_index_site .journals .thumb {
    flex-shrink: 0;
    flex-basis: 160px;
}

.page_index_site .journals .thumb img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    object-fit: cover;
}

.page_index_site .journals > ul > li:hover .thumb img {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.page_index_site .journals .body {
    flex: 1;
    min-width: 0;
}

.page_index_site .journals .body h3 {
    margin: 0 0 8px 0;
    font-size: 1.4rem;
}

.page_index_site .journals .body h3 a {
    color: var(--primary-color);
}

.page_index_site .journals .body h3 a:hover {
    color: var(--secondary-color);
}

.page_index_site .journals .description {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.page_index_site .journals .links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.page_index_site .journals .links a {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, #f0f5ff 0%, #e8efff 100%);
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 20px;
    border: 1px solid #d1e0ff;
    transition: var(--transition-fast);
}

.page_index_site .journals .links a:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-hover) 100%);
    color: var(--white);
    border-color: var(--secondary-hover);
    transform: translateY(-2px);
    text-decoration: none;
}

/* --- 7. АРХИВ И СТАТЬИ --- */
.obj_issue_summary,
.issues_archive .obj_issue_summary,
.issues_list .obj_issue_summary {
    padding: 22px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    transition: var(--transition);
    background-color: var(--white);
}

.obj_issue_summary:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.obj_article_summary {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.obj_article_summary:last-child {
    border-bottom: none;
}

.obj_article_summary:hover {
    background-color: var(--border-light);
    padding-left: 10px;
    padding-right: 10px;
    border-radius: var(--radius-sm);
}

.obj_article_summary .galleys_links a {
    display: inline-block;
    padding: 6px 12px;
    margin-right: 8px;
    background-color: #fff5f5;
    color: #c62828;
    border: 1px solid #ffcccc;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.obj_article_summary .galleys_links a:hover {
    background-color: #c62828;
    color: var(--white);
}

/* --- 8. ФУТЕР --- */
.pkp_structure_footer_wrapper {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 40px 20px;
    margin-top: auto;
    border-top: 3px solid var(--secondary-color);
}

.pkp_brand_footer {
    display: none !important;
}

/* --- 9. АДАПТИВНОСТЬ --- */
@media (max-width: 991px) {
    .pkp_structure_content.has_sidebar {
        grid-template-columns: 1fr;
    }
    
    .pkp_head_wrapper {
        flex-direction: column;
    }
    
    .pkp_navigation_primary_row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .pkp_navigation_primary {
        overflow-x: auto;
    }
}

@media (max-width: 768px) {
    .pkp_site_name .is_img img {
        max-height: 50px !important;
    }
    
    .pkp_site_name_wrapper {
        padding: 10px 15px;
    }
    
    .pkp_navigation_primary_row {
        padding: 0 15px;
    }
    
    .pkp_navigation_primary > li > a {
        padding: 12px 14px;
        font-size: 0.9rem;
    }
    
    .page_index_site .journals > ul > li {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .page_index_site .journals .thumb {
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .pkp_site_name .is_img img {
        max-height: 40px !important;
        padding: 4px 6px;
    }
    
    .pkp_navigation_user a {
        font-size: 0.85rem;
        padding: 5px 10px;
    }
    
    .pkp_navigation_primary > li > a {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
}

/* Печать */
@media print {
    .pkp_structure_head,
    .pkp_structure_footer_wrapper,
    .pkp_structure_sidebar {
        display: none;
    }
}