/* dabest.ru - Адаптивные стили в стиле Instagram */

/* ===== СБРОС И БАЗОВЫЕ СТИЛИ ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Цвета */
    --color-bg: #ffffff;
    --color-text-primary: #111111;
    --color-text-secondary: #666666;
    --color-text-tertiary: #999999;
    --color-accent: #0095f6;
    --color-border: #efefef;
    --color-hover: #f5f5f5;
    --color-shadow: rgba(0, 0, 0, 0.05);
    
    /* Типографика */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Отступы */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Границы */
    --border-radius: 16px;
    --border-radius-sm: 8px;
    
    /* Тени */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* Переходы */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

html {
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* ===== УТИЛИТЫ ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-article {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== ПРОГРЕСС-БАР ЧТЕНИЯ ===== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--color-border);
    z-index: 1000;
}

.reading-progress-bar {
    height: 100%;
    background: var(--color-accent);
    width: 0%;
    transition: width 0.1s ease;
}

/* ===== ШАПКА ===== */
.header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.logo-slogan {
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-secondary);
    text-transform: lowercase;
}

.header-minimal .logo {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ===== ПОИСК ===== */
.search-form {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-2xl) var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background: var(--color-hover);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-text-secondary);
    background: var(--color-bg);
}

.search-btn {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    transition: var(--transition-fast);
}

.search-btn:hover {
    color: var(--color-text-primary);
}

.btn-back {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

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

/* ===== ГЛАВНАЯ - СЕТКА КАРТОЧЕК ===== */
.main {
    padding: var(--spacing-2xl) 0;
    min-height: 60vh;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.article-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.article-card-link {
    display: block;
}

.article-card-image {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-hover);
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-card-image img {
    transform: scale(1.05);
}

.article-card-content {
    padding: var(--spacing-lg);
}

.article-card-title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.article-card-intro {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.article-card-hashtags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.hashtag {
    font-size: 13px;
    color: var(--color-accent);
    font-weight: 500;
}

.hashtag-link {
    font-size: 13px;
    color: var(--color-accent);
    font-weight: 500;
    transition: var(--transition-fast);
}

.hashtag-link:hover {
    color: var(--color-text-primary);
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.views {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== АНИМАЦИЯ ПОЯВЛЕНИЯ ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.05s; }
.fade-in:nth-child(2) { animation-delay: 0.1s; }
.fade-in:nth-child(3) { animation-delay: 0.15s; }
.fade-in:nth-child(4) { animation-delay: 0.2s; }
.fade-in:nth-child(5) { animation-delay: 0.25s; }
.fade-in:nth-child(6) { animation-delay: 0.3s; }
.fade-in:nth-child(7) { animation-delay: 0.35s; }
.fade-in:nth-child(8) { animation-delay: 0.4s; }
.fade-in:nth-child(9) { animation-delay: 0.45s; }
.fade-in:nth-child(10) { animation-delay: 0.5s; }
.fade-in:nth-child(11) { animation-delay: 0.55s; }
.fade-in:nth-child(12) { animation-delay: 0.6s; }

/* ===== СТРАНИЦА СТАТЬИ ===== */
.article-hero {
    position: relative;
    background: var(--color-bg);
}

.article-hero-image {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

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

.article-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.article-intro {
    font-size: 20px;
    line-height: 1.5;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 14px;
    color: var(--color-text-tertiary);
}

/* ===== СЛАЙДЫ СТАТЬИ ===== */
.article-content {
    padding: var(--spacing-3xl) 0;
}

.article-slide {
    margin-bottom: var(--spacing-3xl);
    opacity: 0;
}

.fade-in-slide {
    animation: fadeInUp 0.8s ease forwards;
}

.slide-heading {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.slide-content {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.slide-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.slide-image img {
    width: 100%;
    height: auto;
}

/* ===== ХЭШТЕГИ В СТАТЬЕ ===== */
.article-hashtags-section {
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--color-border);
}

.article-hashtags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.article-hashtags-list .hashtag-link {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-hover);
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    transition: var(--transition-fast);
}

.article-hashtags-list .hashtag-link:hover {
    background: var(--color-border);
}

/* ===== ПОХОЖИЕ СТАТЬИ ===== */
.similar-articles {
    padding: var(--spacing-3xl) 0;
    background: var(--color-hover);
}

.similar-articles-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.similar-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.similar-article-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.similar-article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.similar-article-link {
    display: block;
}

.similar-article-image {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-hover);
}

.similar-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.similar-article-card:hover .similar-article-image img {
    transform: scale(1.05);
}

.similar-article-content {
    padding: var(--spacing-md);
}

.similar-article-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-sm);
}

.similar-article-hashtags {
    display: flex;
    gap: var(--spacing-xs);
    font-size: 12px;
}

/* ===== ПАГИНАЦИЯ ===== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    color: var(--color-text-primary);
    background: var(--color-bg);
    transition: var(--transition-fast);
}

.pagination-btn:hover {
    background: var(--color-hover);
    border-color: var(--color-text-secondary);
}

.pagination-info {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ===== КНОПКИ ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--color-text-primary);
    color: var(--color-bg);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    text-align: center;
    transition: var(--transition-fast);
}

.btn:hover {
    background: var(--color-text-secondary);
    transform: translateY(-2px);
}

/* ===== ПУСТЫЕ СОСТОЯНИЯ ===== */
.empty-state,
.search-placeholder,
.error-page {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.empty-state h1,
.empty-state h2,
.search-placeholder h1,
.error-page h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.empty-state p,
.search-placeholder p,
.error-page p {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ===== ЗАГОЛОВКИ СТРАНИЦ ===== */
.search-results-header,
.hashtag-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.search-results-header h1,
.hashtag-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.search-results-header p,
.hashtag-count {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* ===== ПОДВАЛ ===== */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-3xl);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-description {
    color: var(--color-text-tertiary);
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    :root {
        --spacing-2xl: 32px;
        --spacing-3xl: 48px;
    }
    
    .header-inner {
        flex-wrap: wrap;
    }
    
    .search-form {
        order: 3;
        flex: 1 0 100%;
        max-width: 100%;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .article-title {
        font-size: 32px;
    }
    
    .article-intro {
        font-size: 18px;
    }
    
    .slide-heading {
        font-size: 24px;
    }
    
    .slide-content {
        font-size: 16px;
    }
    
    .similar-articles-grid {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .logo-name {
        font-size: 20px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-card-title {
        font-size: 18px;
    }
}