/**
 * Стили сайта журнала «Психология развития и образования».
 * Основаны на теме WordPress development-edu, адаптированы под Wagtail.
 */

/* --- CSS-переменные --- */
:root {
    --color-primary: #1B5096;
    --color-accent: #5FC6F1;
    --color-orange: #F4A024;
    --color-button: #ffab1f;
    --color-text: #151515;
    --color-muted: #666666;
    --max-width: 1170px;
    --site-padding: 25px;
    --tap-min: 44px;
}

/* --- Базовый сброс --- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* --- Сброс списков --- */
ul[class],
ol[class] {
    list-style: none;
    margin: 0;
    padding: 0;
}

html {
    background: no-repeat center top fixed;
    background-size: cover;
    overflow-x: clip;
}

@media (max-width: 768px) {
    html {
        /* fixed-фон тормозит на мобильных */
        background-attachment: scroll;
    }
}

html a {
    color: blue;
    text-decoration: none;
}

body {
    width: min(var(--max-width), 100%);
    height: auto;
    margin: 30px auto;
    padding: var(--site-padding);
    background-color: white;
    font-family: 'Open Sans', sans-serif;
    color: var(--color-text);
    overflow-x: clip;
}

/* --- Макет --- */
.content,
#page-content {
    margin: 30px 0;
    display: flex;
    gap: 20px;
    width: 100%;
}

aside {
    padding: 15px;
    position: sticky;
    top: 40px;
    align-self: start;
    background-color: white;
}

#content,
#content-single {
    width: 100%;
    grid-column: 1;
}

aside {
    grid-column: 2;
}

/* Главная без двух колонок */
.content {
    display: block;
}

.content aside {
    display: none;
}

#page-content p,
.article-body p,
.page-intro p,
#content p {
    font-size: 1em;
    text-align: justify;
    margin: 5px 0 15px;
    line-height: 1.5;
}

/* Контент из редактора: картинки и таблицы не выходят за экран */
#content,
#content-single,
.page-intro,
.article-body {
    overflow-wrap: break-word;
    word-wrap: break-word;
}

#content img,
#content-single img,
.page-intro img,
.article-body img {
    max-width: 100%;
    height: auto;
}

#content table,
#content-single table,
.page-intro table,
.article-body table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

h1 { font-size: 1.8em; color: var(--color-accent); }
h2 { font-size: 1.5em; }
h3 { font-size: 1.3em; }
h4 { font-size: 1.1em; }

/* --- Статья --- */
#content-single h1 {
    font-size: 1.5em;
    color: #3E3E3E;
    margin-bottom: 10px;
}

#authors-single {
    font-size: 1em;
    color: var(--color-accent);
    margin-bottom: 30px;
}

details {
    margin: 20px 0;
    display: block;
    background-color: #E6E6E6;
}

details[open] {
    background-color: white;
    transition: 0.5s;
}

details summary {
    padding: 10px 15px;
    outline: none;
    font-size: 1.1em;
    cursor: pointer;
}

/* --- Архив / список статей --- */
.color-1B5096 { color: var(--color-primary); }

.post-section h4 {
    display: inline-block;
    margin: 0 0 15px;
    color: var(--color-accent);
}

.post-header a { color: var(--color-primary); }

.post {
    padding: 10px;
    margin: 3px;
    display: block;
    transition: all 0.5s ease;
}

.post:nth-child(odd) { background-color: #F7F7F7; }

.post:hover {
    box-shadow:
        -26px 26px 0 -18px #fff,
        26px -26px 0 -18px #fff,
        15px 15px 0 -12px var(--color-accent),
        -15px -15px 0 -12px var(--color-accent);
}

@media (hover: none) {
    .post:hover {
        box-shadow: none;
    }
}

/* --- Шапка --- */
#header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.header-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    flex: 1 1 220px;
    min-width: 0;
}

#header-logo-text {
    display: flex;
    align-items: center;
    flex: 1 1 280px;
    min-width: 0;
}

#header-logo {
    width: 100px;
    height: 100px;
    overflow: hidden;
    margin-right: 20px;
    flex-shrink: 0;
}

#header-logo img { width: 100%; }

#header-text-one {
    font-size: clamp(1.2rem, 2.5vw, 2em);
    margin: 0;
    color: var(--color-primary);
    font-family: "Merriweather Sans", sans-serif;
}

#header-text-two {
    font-size: clamp(0.75rem, 2vw, 1em);
    margin: 10px 0 0;
    color: var(--color-muted);
    letter-spacing: clamp(0, 0.5vw, 2px);
    line-height: 1.35;
}

/* --- Верхняя/нижняя полоска контактов (top-links) --- */
.top-links {
    background-color: var(--color-accent);
    min-height: 35px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    padding: 8px var(--site-padding);
    align-items: center;
    justify-content: space-between;
}

/* В шапке — на всю ширину блока body */
.top-links--header {
    margin: calc(-1 * var(--site-padding)) calc(-1 * var(--site-padding)) 16px;
}

/* В подвале — по умолчанию скрыт (показывается только на мобильных) */
.top-links--footer {
    display: none;
    margin: 0 calc(-1 * var(--site-padding)) 20px;
    border-radius: 0;
}

#akme-link,
.akme-link {
    flex: 1 1 180px;
    min-width: 0;
}

#akme-link a,
.akme-link a {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#top-email,
.top-email {
    flex: 0 1 auto;
    min-width: 0;
}

#top-email a,
.top-email a {
    word-break: break-all;
}

#top-social,
.top-social {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    flex: 0 0 auto;
}

.top-links a {
    color: white;
    font-size: clamp(0.85rem, 2.5vw, 1.1em);
}

.top-links #top-social a,
.top-links .top-social a {
    margin: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: var(--tap-min);
    min-height: var(--tap-min);
}

.top-links #top-social .fa::before,
.top-links .top-social .fa::before { font-size: 28px; }

.top-links--footer .top-social .fa::before { font-size: 22px; }

.top-links .fa-envelope {
    color: white;
    margin-right: 5px;
}

/* --- Мобильное меню (гамбургер) --- */
.nav-toggle {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.nav-toggle-label {
    display: none;
}

.nav-toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    position: relative;
    transition: background 0.2s;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: white;
    transition: transform 0.2s, top 0.2s;
}

.nav-toggle-icon::before { top: -7px; }
.nav-toggle-icon::after { top: 7px; }

/* --- Меню --- */
#top-menu-id {
    display: block;
    margin: 0 calc(-1 * var(--site-padding));
    padding: 0;
    background-color: var(--color-primary);
    border-bottom: solid 5px var(--color-accent);
}

#top-menu-id > ul {
    display: flex;
    flex-wrap: wrap;
    padding-left: 25px;
    margin: 0;
}

#top-menu-id a {
    color: white;
    padding: 13px 30px;
    min-height: var(--tap-min);
    display: flex;
    align-items: center;
}

#top-menu-id > ul > li {
    display: inline-block;
    color: white;
    border-right: 1px solid white;
    position: relative;
}

#top-menu-id li.current_page_item,
#top-menu-id li:hover {
    background: var(--color-accent);
}

#top-menu-id li.page_item_has_children:hover .children {
    display: block;
}

#top-menu-id .children {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 100;
    min-width: 220px;
    background: var(--color-primary);
    border-top: 3px solid var(--color-accent);
}

#top-menu-id .children li {
    display: block;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

/* --- Поиск --- */
.search-section {
    width: 100%;
    max-width: 350px;
}

.search-form {
    margin: 0;
    width: 100%;
    position: relative;
}

.search-form input.search-field {
    border-radius: 20px;
    padding: 10px 90px 10px 15px;
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #ccc;
}

.search-form .search-submit {
    background-color: var(--color-primary);
    border: none;
    border-radius: 0 20px 20px 0;
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    min-height: var(--tap-min);
    color: white;
    cursor: pointer;
    padding: 0 16px;
    font-size: 0.9rem;
}

.search-form .search-submit:hover {
    background-color: var(--color-button);
}

/* --- Формы --- */
input[type="submit"],
button {
    background: var(--color-button);
    border: none;
    border-radius: 2px;
    color: #fff;
    font-size: 16px;
    padding: 5px 20px;
    cursor: pointer;
}

input[type="submit"]:hover,
button:hover {
    background-color: var(--color-primary);
}

/* --- Подвал --- */
.site-footer {
    margin-top: 48px;
    padding-top: 8px;
    border-top: 1px solid #e8e8e8;
}

@media (min-width: 769px) {
    .site-footer {
        margin-top: 80px;
    }
}

footer { margin-top: 0; }

.footer-legal {
    margin-top: 16px;
    padding: 12px 0 20px;
    text-align: center;
    font-size: 0.875rem;
    color: #666;
}

.footer-legal a {
    color: #555;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer-legal a:hover {
    color: var(--color-accent, #1a5fb4);
}

#important-internet-resources {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
    align-items: center;
    margin-top: 24px;
}

.search-form--extended {
    max-width: 100%;
}

.search-form--extended .search-field {
    width: 100%;
}

/* --- Переключатель языка --- */
.lang-switch {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.lang-switch__link {
    padding: 8px 12px;
    min-height: var(--tap-min);
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--color-primary);
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary) !important;
}

.lang-switch__link.is-active {
    background: var(--color-primary);
    color: white !important;
}

/* ============================================================
   Адаптивность: планшеты и мобильные
   ============================================================ */

@media (max-width: 900px) {
    :root {
        --site-padding: 16px;
    }

    body {
        margin: 12px auto;
    }

    #header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    #header-logo-text {
        flex: 0 0 auto;
    }

    .header-actions {
        align-items: stretch;
        width: 100%;
        flex: 0 0 auto;
    }

    .search-section {
        max-width: none;
    }

    .content,
    #page-content {
        grid-template-columns: 1fr;
        margin: 20px 0;
    }

    aside {
        display: none;
    }

    h1 { font-size: 1.5em; }
    h2 { font-size: 1.3em; }

    #content-single h1 {
        font-size: 1.25em;
    }

    footer {
        margin-top: 40px;
    }
}

@media (max-width: 768px) {
    /* Контакты уезжают в подвал — шапка компактнее */
    .top-links--header {
        display: none;
    }

    .top-links--footer {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 14px var(--site-padding);
    }

    .top-links--footer .akme-link a {
        white-space: normal;
        line-height: 1.35;
    }

    .top-links--footer .top-social a {
        min-width: 40px;
        min-height: 40px;
    }

    .site-header {
        margin-bottom: 0;
    }

    #header {
        gap: 10px;
    }

    /* flex-grow:1 растягивал блок логотипа и давал пустое пространство */
    #header-logo-text {
        flex: 0 0 auto;
        width: 100%;
    }

    .header-actions {
        flex: 0 0 auto;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        width: 100%;
    }

    .search-section {
        flex: 1 1 200px;
        min-width: 0;
    }

    .lang-switch {
        flex: 0 0 auto;
    }

    .lang-switch__link {
        min-height: 38px;
        padding: 6px 10px;
    }

    #header-logo {
        width: 72px;
        height: 72px;
        margin-right: 12px;
    }

    #top-menu-id > ul {
        flex-direction: column;
        padding-left: 0;
    }

    #top-menu-id > ul > li {
        display: block;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* Кнопка «гамбургер» */
    .nav-toggle-label {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin: 0 calc(-1 * var(--site-padding));
        padding: 12px var(--site-padding);
        background: var(--color-primary);
        color: white;
        cursor: pointer;
        min-height: var(--tap-min);
        border-bottom: 3px solid var(--color-accent);
        user-select: none;
    }

    .nav-toggle-label__text {
        font-weight: 600;
        font-size: 1rem;
    }

    /* Меню скрыто до нажатия */
    #top-menu-id {
        max-height: 0;
        overflow: hidden;
        border-bottom-width: 0;
        transition: max-height 0.35s ease;
    }

    #nav-toggle:checked ~ #top-menu-id {
        max-height: 2000px;
        border-bottom-width: 5px;
    }

    #nav-toggle:checked + .nav-toggle-label .nav-toggle-icon {
        background: transparent;
    }

    #nav-toggle:checked + .nav-toggle-label .nav-toggle-icon::before {
        top: 0;
        transform: rotate(45deg);
    }

    #nav-toggle:checked + .nav-toggle-label .nav-toggle-icon::after {
        top: 0;
        transform: rotate(-45deg);
    }

    /* Подменю всегда видно на мобильных (нет hover) */
    #top-menu-id .children {
        display: block;
        position: static;
        min-width: 0;
        border-top: none;
        background: rgba(0, 0, 0, 0.15);
    }

    #top-menu-id .children a {
        padding-left: 2rem;
        font-size: 0.95rem;
    }

    #top-menu-id li.page_item_has_children:hover .children {
        display: block;
    }

    .articles-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .articles-sidebar {
        position: static;
    }

    .articles-main__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .articles-sort {
        width: 100%;
    }

    .articles-sort select {
        flex: 1;
        min-height: var(--tap-min);
        font-size: 16px; /* предотвращает zoom на iOS */
    }

    .archive-grid {
        grid-template-columns: 1fr;
    }

    .issue-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .issue-list__item {
        flex: 1 1 auto;
    }

    .issue-list__item a {
        white-space: nowrap;
    }

    .btn-primary {
        width: 100%;
        justify-content: center;
        min-height: var(--tap-min);
    }

    .article-keywords {
        line-height: 1.8;
    }

    .keyword-tag {
        margin: 4px 2px;
    }

    #page-content p,
    .article-body p,
    #content p {
        text-align: start;
        hyphens: auto;
    }
}

@media (max-width: 480px) {
    :root {
        --site-padding: 12px;
    }

    body {
        margin: 0;
    }

    #header-text-one {
        font-size: 1.05rem;
        line-height: 1.25;
    }

    #header-text-two {
        letter-spacing: 0;
        font-size: 0.72rem;
    }

    #top-menu-id a {
        padding: 12px 16px;
    }

    .search-form input.search-field {
        font-size: 16px;
        padding-right: 80px;
    }

    .pagination {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Десктоп: поиск справа, компактная ширина */
@media (min-width: 901px) {
    .header-actions {
        flex: 0 1 340px;
        align-items: flex-end;
    }
}

/* --- Архив PDF --- */
.archive-page #page-content {
    display: block;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.archive-card {
    display: flex;
    flex-direction: column;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fafafa;
    transition: box-shadow 0.2s;
}

.archive-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.archive-card__cover img {
    width: 100%;
    height: auto;
    display: block;
}

.archive-card__body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.archive-card__title {
    font-size: 1.1rem;
    margin: 0;
    color: var(--color-primary);
}

.archive-card__date {
    color: var(--color-muted);
    margin: 0;
    font-size: 0.9rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding: 10px 16px;
    background: var(--color-primary);
    color: white !important;
    border-radius: 4px;
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--color-button);
}

/* --- Статьи: двухколоночный каталог --- */
.articles-page #page-content {
    display: block;
}
.articles-main {
    flex-grow: 2;
}
.articles-layout {
    display: flex;
    gap: 32px;
    margin-top: 24px;
}

.articles-sidebar {
    position: sticky;
    top: 20px;
    align-self: start;
    padding: 16px;
    background: #f5f8fc;
    border-radius: 8px;
    border: 1px solid #dde5ef;
}

.articles-sidebar__title {
    font-size: 1rem;
    margin: 0 0 12px;
    color: var(--color-primary);
}

.issue-list__item a {
    display: block;
    padding: 10px 12px;
    border-radius: 4px;
    color: var(--color-text);
}

.issue-list__item a:hover,
.issue-list__item.is-active a {
    background: var(--color-primary);
    color: white !important;
}

.articles-main__header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-accent);
}

.articles-sort {
    display: flex;
    align-items: center;
    gap: 8px;
}

.articles-sort select {
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

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

.article-list__item {
    padding: 14px 0;
    border-bottom: 1px solid #eee;
}

.article-list__link {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary) !important;
}

.article-list__authors,
.article-list__date,
.article-list__issue {
    margin: 4px 0 0;
    font-size: 0.9rem;
    color: var(--color-muted);
}

/* --- Страница статьи --- */
.article-single .article-abstract {
    margin: 20px 0;
    padding: 16px;
    background: #f9f9f9;
    border-left: 4px solid var(--color-accent);
}

.keyword-tag {
    display: inline-block;
    padding: 2px 10px;
    margin: 2px;
    background: #eef6fc;
    border-radius: 12px;
    font-size: 0.9rem;
}

.keyword-tag:hover {
    background: var(--color-accent);
    color: white !important;
}

.related-articles {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid #ddd;
}

.empty-state {
    color: var(--color-muted);
    font-style: italic;
    padding: 24px 0;
}

.page-intro {
    margin-bottom: 16px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
    white-space: nowrap;
}