/* ===== ОСНОВНЫЕ НАСТРОЙКИ ===== */
:root {
    --primary-color: #ff0000;
    --secondary-color: #065fd4;
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-hover: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --border-color: #303030;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ===== ШАПКА САЙТА ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.menu-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-btn:hover {
    background-color: var(--bg-hover);
}

.logo {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 22px;
    font-weight: bold;
}

.logo i {
    color: var(--primary-color);
    font-size: 28px;
}

/* ===== ПОИСК ===== */
.search-container {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 1 600px;
}

.search-form {
    display: flex;
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.search-form input {
    flex: 1;
    padding: 10px 15px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
}

.search-form button {
    padding: 0 20px;
    background: none;
    border: none;
    border-left: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

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

.mic-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s;
}

.mic-btn:hover {
    background-color: var(--bg-hover);
}

/* ===== ПРАВАЯ ЧАСТЬ ШАПКИ ===== */
.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.create-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s;
}

.create-btn:hover {
    background-color: var(--bg-hover);
}

.notifications-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notifications-btn:hover {
    background-color: var(--bg-hover);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== БОКОВОЕ МЕНЮ ===== */
.app-container {
    display: flex;
    margin-top: 60px;
    min-height: calc(100vh - 60px);
}

.sidebar {
    width: 240px;
    background-color: var(--bg-primary);
    position: fixed;
    left: 0;
    top: 60px;
    bottom: 0;
    overflow-y: auto;
    padding: 20px 0;
    border-right: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.sidebar.closed {
    transform: translateX(-240px);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.nav-item i {
    width: 24px;
    font-size: 20px;
}

.nav-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    border-left: 3px solid var(--primary-color);
}

.sidebar-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 10px 0;
}

.sidebar-section {
    padding: 10px 0;
}

.sidebar-section h4 {
    padding: 8px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== ОСНОВНОЙ КОНТЕНТ ===== */
.main-content {
    flex: 1;
    margin-left: 240px;
    padding: 20px;
    transition: margin-left 0.3s ease;
}

.sidebar.closed + .main-content {
    margin-left: 0;
}

/* ===== ФИЛЬТРЫ ===== */
.filters-bar {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 10px 0 20px;
    margin-bottom: 10px;
    scrollbar-width: none;
}

.filters-bar::-webkit-scrollbar {
    display: none;
}

.filter-chip {
    padding: 8px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.filter-chip:hover {
    background-color: var(--bg-hover);
}

.filter-chip.active {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* ===== СОРТИРОВКА ===== */
.sort-section {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.sort-section span {
    color: var(--text-secondary);
}

.sort-btn {
    padding: 6px 12px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

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

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

/* ===== СЕТКА ВИДЕО ===== */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin: 20px 0;
}

/* ===== КАРТОЧКА ВИДЕО ===== */
.video-card {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
    border: 1px solid var(--border-color);
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    background-color: var(--bg-hover);
    overflow: hidden;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.05);
}

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.video-info {
    padding: 15px;
}

.video-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-channel {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.channel-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
}

.channel-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.channel-name {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
}

.channel-name:hover {
    color: var(--text-primary);
}

.video-stats {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--text-secondary);
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 3px;
}

/* ===== КНОПКА ЗАГРУЗИТЬ ЕЩЁ ===== */
.load-more-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 200px;
    margin: 40px auto;
    padding: 12px 24px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.load-more-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.load-more-btn i {
    transition: transform 0.3s;
}

.load-more-btn:hover i {
    transform: rotate(180deg);
}

/* ===== СТРАНИЦА ВИДЕО ===== */
.video-page {
    max-width: 1200px;
    margin: 0 auto;
}

.video-player-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: black;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.video-player-container iframe,
.video-player-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-actions {
    display: flex;
    gap: 15px;
    margin: 20px 0;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    background-color: var(--bg-hover);
}

.action-btn.liked {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.comments-section {
    margin-top: 30px;
}

.comment-form {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.comment-form input {
    flex: 1;
    padding: 12px 20px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    outline: none;
}

.comment-form button {
    padding: 12px 25px;
    background-color: var(--primary-color);
    border: none;
    border-radius: 25px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.comment-form button:hover {
    background-color: #cc0000;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 1200px) {
    .videos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-240px);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 10px;
    }
    
    .search-container {
        flex: 1;
    }
    
    .create-btn span {
        display: none;
    }
    
    .create-btn {
        padding: 8px;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .video-actions {
        flex-wrap: wrap;
    }
    
    .action-btn {
        flex: 1;
        justify-content: center;
    }
}

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

.video-card {
    animation: fadeIn 0.5s ease forwards;
}
/* ===== ПОЛНАЯ ПЕРЕДЕЛКА ДЛЯ ТЕЛЕФОНОВ ===== */
@media (max-width: 768px) {
    
    /* 1. ШАПКА — компактная */
    .header {
        padding: 8px 10px;
        height: auto;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .logo i {
        font-size: 22px;
    }
    
    /* 2. ПОИСК — убираем микрофон, делаем строку меньше */
    .search-container {
        max-width: 200px;
    }
    
    .mic-btn {
        display: none; /* микрофон не нужен на телефоне */
    }
    
    .search-form input {
        padding: 6px 10px;
        font-size: 14px;
    }
    
    .search-form button {
        padding: 0 10px;
    }
    
    /* 3. ПРАВАЯ ЧАСТЬ — только иконки */
    .create-btn span {
        display: none;
    }
    
    .create-btn {
        padding: 6px 10px;
    }
    
    .notifications-btn {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .user-avatar {
        width: 32px;
        height: 32px;
    }
    
    /* 4. БОКОВОЕ МЕНЮ — убираем совсем, потом сделаем бургер */
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        padding: 70px 10px 20px;
    }
    
    /* 5. ФИЛЬТРЫ — горизонтальный скролл */
    .filters-bar {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 6px;
        padding: 10px 0;
        margin: 0 -10px;
        padding-left: 10px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .filters-bar::-webkit-scrollbar {
        display: none;
    }
    
    .filter-chip {
        flex: 0 0 auto;
        padding: 8px 14px;
        font-size: 13px;
        white-space: nowrap;
    }
    
    /* 6. СОРТИРОВКА — компактнее */
    .sort-section {
        flex-wrap: wrap;
        gap: 8px;
        margin: 10px 0;
    }
    
    .sort-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    /* 7. СЕТКА ВИДЕО — 1 колонка */
    .videos-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* 8. КАРТОЧКА ВИДЕО — крупнее */
    .video-card {
        margin-bottom: 5px;
    }
    
    .video-title {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 6px;
    }
    
    .video-channel {
        font-size: 14px;
    }
    
    .video-stats {
        font-size: 13px;
    }
    
    .video-duration {
        font-size: 11px;
        padding: 3px 6px;
    }
    
    /* 9. КНОПКА ЗАГРУЗИТЬ ЕЩЁ — на всю ширину */
    .load-more-btn {
        width: 100%;
        margin: 20px 0;
        padding: 12px;
        font-size: 15px;
    }
}

/* ===== ДЛЯ СОВСЕМ МАЛЕНЬКИХ ТЕЛЕФОНОВ ===== */
@media (max-width: 480px) {
    .search-container {
        max-width: 150px;
    }
    
    .video-title {
        font-size: 15px;
    }
    
    .filter-chip {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .sort-section span {
        font-size: 13px;
    }
    
    .sort-btn {
        padding: 5px 10px;
        font-size: 12px;
    }
}