/**
 * Mobile Optimizations - Author Portal
 * Улучшенная адаптивность для мобильных устройств
 * 
 * Брейкпоинты:
 * - 1200px: Large tablets
 * - 1024px: Tablets
 * - 768px: Small tablets / Large phones
 * - 480px: Phones
 * - 375px: Small phones
 */

/* ==========================================
   Base Mobile Improvements
   ========================================== */

/* Улучшенная типографика для мобильных */
@media (max-width: 768px) {
    :root {
        --font-size-xs: 0.75rem;
        --font-size-sm: 0.8125rem;
        --font-size-base: 0.9375rem;
        --font-size-lg: 1.0625rem;
        --font-size-xl: 1.1875rem;
        --font-size-2xl: 1.375rem;
        --font-size-3xl: 1.75rem;
        --font-size-4xl: 2rem;
        
        --spacing-4: 0.875rem;
        --spacing-6: 1.25rem;
        --spacing-8: 1.75rem;
        --spacing-12: 2.5rem;
        --spacing-16: 3.5rem;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-3xl: 1.625rem;
        --font-size-4xl: 1.875rem;
    }
}

/* Touch-friendly минимальные размеры */
@media (max-width: 768px) {
    .btn {
        min-height: 44px;
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .btn--sm {
        min-height: 36px;
    }
    
    .btn--icon {
        min-width: 44px;
        min-height: 44px;
    }
    
    /* Touch-friendly ссылки и интерактивные элементы */
    a, button, .clickable {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    
    /* Увеличенные поля ввода */
    input, textarea, select {
        min-height: 44px;
        font-size: 16px; /* Предотвращает zoom на iOS */
    }
}

/* ==========================================
   Header Mobile Improvements
   ========================================== */

@media (max-width: 1024px) {
    .header__nav {
        display: none;
    }
    
    .header__burger {
        display: flex;
        justify-content: center;
    }
    
    .header__actions {
        gap: var(--spacing-1);
    }
    
    /* Компактный header на мобильных */
    .header {
        padding: 0 var(--spacing-3);
    }
    
    .header__logo {
        font-size: var(--font-size-lg);
    }

    .header__register-btn {
        display: none ! important;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0 ! important;
    }
    
    .header__actions .btn {
        padding: 0.5rem;
    }

    /* Скрываем текст в кнопках, оставляем только иконки */
    .header__actions .btn span:not([data-theme-icon]) {
        display: none;
    }
    
    /* Уменьшаем размер аватара */
    .header__actions .avatar {
        width: 32px;
        height: 32px;
    }
}

/* Улучшенное мобильное меню */
@media (max-width: 1024px) {
    .mobile-nav {
        display: block;
        padding: var(--spacing-6) var(--spacing-4);
        overflow-y: auto;
    }
    
    .mobile-nav .sidebar-nav__item {
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-2);
    }
    
    .mobile-nav .dropdown__divider {
        margin: var(--spacing-4) 0;
    }

    .header__logo svg {
        max-width: 100px ! important;
    }
}

/* ==========================================
   Search Mobile Improvements
   ========================================== */

@media (max-width: 768px) {
    .search-container {
        padding: var(--spacing-3);
    }
    
    .search-input {
        font-size: var(--font-size-base);
    }
    
    .search-results {
        max-height: calc(100vh - 120px);
    }
    
    .search-results__item {
        padding: var(--spacing-3);
        border-radius: var(--radius-lg);
    }
}

/* ==========================================
   Footer Mobile Improvements
   ========================================== */

@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-6) 0;
    }
    
    .footer__inner {
        flex-direction: column;
        gap: var(--spacing-6);
    }
    
    .footer__brand {
        max-width: 100%;
    }
    
    .footer__links {
        flex-wrap: wrap;
        gap: var(--spacing-6) var(--spacing-8);
    }
    
    .footer__column {
        min-width: 140px;
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-3);
        text-align: center;
    }
    
    .footer__features-menu {
        margin-top: var(--spacing-6);
        padding: var(--spacing-4) 0;
    }
    
    .footer__features-links {
        gap: var(--spacing-3) var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .footer__links {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .footer__features-links {
        flex-direction: column;
        gap: var(--spacing-2);
    }
}

/* ==========================================
   Hero Section Mobile
   ========================================== */

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-12) 0;
    }
    
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .hero__subtitle {
        font-size: var(--font-size-base);
    }
    
    .hero .flex {
        flex-direction: column;
        width: 100%;
    }
    
    .hero .btn {
        width: 100%;
    }
}

/* ==========================================
   Grid System Mobile
   ========================================== */

/* Плавные переходы для сеток */
@media (max-width: 1200px) {
    .grid--5 { 
        grid-template-columns: repeat(3, 1fr); 
    }
}

@media (max-width: 992px) {
    .grid--4,
    .grid--5 { 
        grid-template-columns: repeat(2, 1fr); 
    }
}

@media (max-width: 768px) {
    .grid--3,
    .grid--4,
    .grid--5 { 
        grid-template-columns: repeat(2, 1fr); 
    }
    
    .grid {
        gap: var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .grid--2,
    .grid--3,
    .grid--4,
    .grid--5 { 
        grid-template-columns: 1fr; 
    }
    
    .grid {
        gap: var(--spacing-3);
    }
}

/* ==========================================
   Cards Mobile
   ========================================== */

@media (max-width: 768px) {
    .card {
        border-radius: var(--radius-md);
    }
    
    .card__body {
        padding: var(--spacing-3);
    }
    
    /* Горизонтальные карточки на мобильных */
    .article-card--horizontal {
        flex-direction: column;
    }
    
    .article-card__image {
        width: 100%;
        height: 160px;
    }
}

/* ==========================================
   Dashboard Mobile Improvements
   ========================================== */

@media (max-width: 1024px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    /* Sidebar как drawer */
    .dashboard__sidebar {
        position: fixed;
        left: -100%;
        top: var(--header-height);
        z-index: var(--z-modal);
        width: 280px;
        max-width: 85vw;
        height: calc(100vh - var(--header-height));
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .dashboard__sidebar.is-open {
        left: 0;
    }
    
    .dashboard-content {
        padding-top: 0;
    }
    
    /* Sticky кнопка меню */
    .dashboard-sidebar-toggle {
        position: sticky;
        top: calc(var(--header-height) + 1px);
        z-index: calc(var(--z-sticky) - 1);
        margin: 0 calc(-1 * var(--spacing-4)) var(--spacing-4);
        width: calc(100% + var(--spacing-8));
        border-radius: 0;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
}

@media (max-width: 768px) {
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-3);
    }
    
    .dashboard-stat-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-3);
    }
    
    .dashboard-stat-card__icon {
        font-size: 28px;
    }
    
    .dashboard-stat-card__value {
        font-size: var(--font-size-xl);
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2);
    }
    
    .quick-action {
        padding: var(--spacing-3);
    }
    
    .quick-action__icon {
        font-size: 28px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   Forms Mobile
   ========================================== */

@media (max-width: 1024px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        margin-bottom: var(--spacing-3);
    }
    
    .form-card {
        padding: var(--spacing-3);
    }
    
    /* Улучшенные поля ввода */
    .form-input,
    .form-textarea,
    .form-select {
        font-size: 16px; /* Предотвращает zoom на iOS */
    }
}

/* ==========================================
   Tables Mobile
   ========================================== */

@media (max-width: 768px) {
    .dashboard-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .dashboard-table {
        min-width: 600px;
    }
    
    .dashboard-table th,
    .dashboard-table td {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-sm);
    }
}

/* Альтернатива: карточный вид для таблиц на мобильных */
@media (max-width: 480px) {
    .dashboard-table-wrapper--cards .dashboard-table {
        min-width: 100%;
    }
    
    .dashboard-table-wrapper--cards .dashboard-table thead {
        display: none;
    }
    
    .dashboard-table-wrapper--cards .dashboard-table tr {
        display: block;
        margin-bottom: var(--spacing-3);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
    }
    
    .dashboard-table-wrapper--cards .dashboard-table td {
        display: block;
        text-align: right;
        padding: var(--spacing-2) var(--spacing-3);
        border-bottom: 1px solid var(--color-border-light);
    }
    
    .dashboard-table-wrapper--cards .dashboard-table td:last-child {
        border-bottom: none;
    }
    
    .dashboard-table-wrapper--cards .dashboard-table td::before {
        content: attr(data-label);
        float: left;
        font-weight: var(--font-weight-medium);
        color: var(--color-text-secondary);
    }
}

/* ==========================================
   Modals Mobile
   ========================================== */

@media (max-width: 768px) {
    .modal {
        padding: var(--spacing-2);
    }
    
    .modal__container {
        max-width: 100%;
        max-height: 95vh;
    }
    
    .modal__header,
    .modal__body,
    .modal__footer {
        padding: var(--spacing-4);
    }
    
    .modal__title {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .modal {
        padding: 0;
        align-items: flex-end;
    }
    
    .modal__container {
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        max-height: 90vh;
    }
}

/* ==========================================
   Dropdowns Mobile - iOS Style Bottom Sheet
   ========================================== */

@media (max-width: 768px) {
    /* Bottom Sheet стиль для всех dropdown меню */
    .dropdown__menu {
        position: fixed !important;
        top: 100vh ! important;
        bottom: auto !important;
        left: 0 !important;
        right: 0 !important;
        min-width: 100% !important;
        max-width: 100% !important;
        max-height: 70vh;
        border-radius: 1rem 1rem 0 0 !important;
        border: none !important;
        /* Важно: по умолчанию скрыто */
        opacity: 0 !important;
        visibility: hidden !important;
        /*transform: translateY(100%) !important;*/
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        z-index: 999 !important;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15) !important;
        overflow-y: auto;
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
        min-height: 400px;
    }
    
    /* Когда родитель активен - показываем */
    .dropdown.is-open .dropdown__menu {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
        bottom: auto ! important;
        top: calc(100vh - 400px) ! important;
    }
    
    /* Handle для визуального указания что можно свайпнуть */
    .dropdown__menu::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        background: var(--border, #e5e7eb);
        border-radius: 2px;
        margin: 0.75rem auto 0.5rem;
    }
    
    /* Увеличенные touch targets */
    .dropdown__item {
        padding: 1rem 1.25rem;
        font-size: 1rem;
        min-height: 52px;
    }
    
    /* Специальные стили для уведомлений */
    .dropdown__menu--notifications {
        max-height: 80vh;
    }
    
    .notifications-panel__list {
        max-height: calc(80vh - 120px);
    }
    
    .notification-dropdown-item {
        padding: 1rem 1.25rem;
        min-height: auto;
    }
}

/* ==========================================
   Tabs Mobile
   ========================================== */

@media (max-width: 768px) {
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .tabs::-webkit-scrollbar {
        display: none;
    }
    
    .tabs__item {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    /* Pills tabs */
    .tabs--pills {
        gap: var(--spacing-2);
        padding-bottom: var(--spacing-2);
    }
}

/* ==========================================
   Book/Article Pages Mobile
   ========================================== */

@media (max-width: 768px) {
    .book-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-4);
    }
    
    .book-header__cover {
        max-width: 200px;
    }
    
    .book-header__title {
        font-size: var(--font-size-2xl);
    }
    
    .book-header__stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .book-header__actions {
        width: 100%;
        flex-direction: column;
    }
    
    .book-header__actions .btn {
        width: 100%;
    }
    
    /* Chapters list */
    .chapter-item {
        padding: var(--spacing-3);
    }
    
    .chapter-item__number {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-xs);
    }
}

/* ==========================================
   Author Profile Mobile
   ========================================== */

@media (max-width: 768px) {
    .author-hero__banner {
        height: 150px;
    }
    
    .author-hero__content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-top: calc(-1 * var(--spacing-8));
    }
    
    .author-hero__avatar .avatar--xl {
        width: 100px;
        height: 100px;
        font-size: var(--font-size-2xl);
    }
    
    .author-hero__info {
        padding-top: var(--spacing-3);
    }
    
    .author-hero__name {
        font-size: var(--font-size-2xl);
    }
    
    .author-hero__stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .author-hero__actions {
        width: 100%;
        flex-direction: column;
    }
    
    .author-hero__actions .btn {
        width: 100%;
    }
    
    .author-tabs {
        gap: var(--spacing-2);
    }
    
    .author-tab {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-sm);
    }
}

/* ==========================================
   Universe Pages Mobile
   ========================================== */

@media (max-width: 768px) {
    .universe-grid,
    .maps-list-grid {
        grid-template-columns: 1fr;
    }
    
    .universe-hero {
        min-height: 300px;
    }
    
    .universe-hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .universe-hero__content {
        padding: var(--spacing-6) 0;
    }
    
    .stats-grid {
        flex-wrap: wrap;
        gap: var(--spacing-4);
    }
    
    .stat-card {
        flex: 1;
        min-width: 120px;
        padding: var(--spacing-3);
    }
    
    .stat-card__value {
        font-size: var(--font-size-xl);
    }
}

/* ==========================================
   Encyclopedia Mobile
   ========================================== */

@media (max-width: 768px) {
    .encyclopedia-layout {
        grid-template-columns: 1fr;
    }
    
    .encyclopedia-sidebar {
        position: static;
        max-height: none;
        margin-bottom: var(--spacing-6);
    }
    
    .encyclopedia-articles {
        grid-template-columns: 1fr;
    }
    
    .encyclopedia-article {
        padding: var(--spacing-4);
    }
    
    .encyclopedia-article__title {
        font-size: var(--font-size-2xl);
    }
}

/* ==========================================
   Calendar Mobile
   ========================================== */

@media (max-width: 1024px) {
    .calendar-layout {
        grid-template-columns: 1fr;
    }
    
    .calendar-sidebar {
        order: -1;
        margin-bottom: var(--spacing-6);
    }
}

@media (max-width: 768px) {
    .calendar-controls {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .calendar-nav {
        width: 100%;
        justify-content: space-between;
    }
    
    .calendar-current {
        font-size: var(--font-size-lg);
        min-width: auto;
    }
    
    .calendar-views {
        width: 100%;
        justify-content: stretch;
    }
    
    .view-btn {
        flex: 1;
        text-align: center;
    }
    
    .calendar-cell {
        min-height: 80px;
        padding: var(--spacing-1);
    }
    
    .calendar-cell__day {
        font-size: var(--font-size-xs);
    }
    
    .calendar-event-dot {
        font-size: 9px;
        padding: 1px 4px;
    }
}

@media (max-width: 480px) {
    .calendar-cell {
        min-height: 60px;
    }
    
    .calendar-weekday {
        font-size: var(--font-size-xs);
        padding: var(--spacing-2);
    }
}

/* ==========================================
   Analytics Mobile
   ========================================== */

@media (max-width: 1024px) {
    .analytics-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-card--wide {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .analytics-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }
    
    .analytics-stat-card {
        padding: var(--spacing-3);
    }
    
    .analytics-stat-card__value {
        font-size: var(--font-size-xl);
    }
}

/* ==========================================
   Feed Mobile
   ========================================== */

@media (max-width: 900px) {
    .feed-layout {
        grid-template-columns: 1fr;
    }
    
    .feed-sidebar {
        order: -1;
        margin-bottom: var(--spacing-4);
    }
}

@media (max-width: 600px) {
    .feed-item {
        flex-direction: column;
    }
    
    .feed-item__avatar {
        align-self: flex-start;
    }
}

/* ==========================================
   Explore Page Mobile
   ========================================== */

@media (max-width: 768px) {
    .explore-header {
        padding: var(--spacing-6) 0;
    }
    
    .explore-filters__row {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-3);
    }
    
    .explore-filters__sort {
        width: 100%;
    }
    
    .explore-filters__sort select {
        width: 100%;
    }
    
    .explore-tags {
        justify-content: center;
    }
}

/* ==========================================
   Utility Classes Mobile
   ========================================== */

@media (max-width: 768px) {
    /* Скрыть на мобильных */
    .hide-mobile {
        display: none !important;
    }
    
    /* Показать только на мобильных */
    .show-mobile {
        display: block !important;
    }
    
    /* Полная ширина на мобильных */
    .full-width-mobile {
        width: 100% !important;
    }
    
    /* Центрирование на мобильных */
    .center-mobile {
        text-align: center !important;
    }
    
    /* Стек на мобильных */
    .stack-mobile {
        flex-direction: column !important;
    }
    
    /* Уменьшенные отступы */
    .p-mobile-sm {
        padding: var(--spacing-2) !important;
    }
    
    .m-mobile-sm {
        margin: var(--spacing-2) !important;
    }
}

/* ==========================================
   Performance Optimizations
   ========================================== */

@media (max-width: 768px) {
    /* Отключаем сложные декоративные анимации на мобильных, но оставляем функциональные */
    /* Не применяем глобально - это убивает спиннеры и другие важные анимации */
    
    /* Отключаем только декоративные hover-эффекты */
    .card:hover,
    .btn:hover:not(:active) {
        transform: none !important;
    }
}

/* Reduce motion для accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    /* Но оставляем функциональные индикаторы загрузки */
    .search-dropdown__spinner,
    [class*="spinner"],
    [class*="loading"] {
        animation-duration: 0.6s !important;
    }
}

/* ==========================================
   Safe Area для iPhone X+
   ========================================== */

@supports (padding: max(0px)) {
    .header {
        background: #fff;
    }
    .header,
    .footer,
    .mobile-nav,
    .dashboard__sidebar {
        padding-left: max(var(--spacing-4), env(safe-area-inset-left));
        padding-right: max(var(--spacing-4), env(safe-area-inset-right));
    }
    
    .mobile-nav,
    .modal__container {
        padding-bottom: max(var(--spacing-4), env(safe-area-inset-bottom));
    }
}

/* ==========================================
   Landscape Mode Optimizations
   ========================================== */

@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        padding: var(--spacing-8) 0;
    }
    
    .modal__container {
        max-height: 85vh;
    }
    
    .calendar-cell {
        min-height: 50px;
    }
}

/* ==========================================
   Print Styles
   ========================================== */

@media print {
    .header,
    .footer,
    .mobile-nav,
    .dashboard__sidebar,
    .btn,
    .dropdown,
    .modal,
    .toast-container {
        display: none !important;
    }
    
    .page__main {
        padding: 0;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}