* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', Arial, sans-serif;
}

a {
    text-decoration: none;
}

body {
    background-color: #0f0f0f;
    color: #f1f1f1;
}

/* Шапка */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    height: 56px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #0f0f0f;
    z-index: 1000;
    border-bottom: 3px solid #303030;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 25px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 3px;
}

.logo i {
    color: #ff0000;
    font-size: 28px;
}

.logo img {
    overflow: auto;
    border-radius: 50%;
    margin-right: 15px;
}

.logo span {
    font-size: 20px;
    font-weight: bold;
    color: #ffffff;
}

.search-section {
    display: flex;
    align-items: center;
    flex: 0 1 640px;
    max-width: 640px;
}

.search-container {
    align-items: center;
    display: flex;
    width: 100%;
}

.search-input {
    flex: 1;
    background-color: #121212;
    border: 1px solid #303030;
    padding: 0 15px;
    height: 40px;
    font-size: 16px;
    color: #f1f1f1;
    border-radius: 2px 0 0 2px;
}

.search-btn {
    background-color: #222222;
    border: 1px solid #303030;
    border-left: none;
    width: 64px;
    height: 40px;
    border-radius: 0 2px 2px 0;
    cursor: pointer;
}

.search-btn i {
    color: #aaa;
    font-size: 18px;
}

.user-section {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #065fd4;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

/* Основная структура */
.container {
    display: flex;
    margin-top: 180px;
}
.sidebar-section {
    padding: 8px 0;
    border-bottom: 1px solid #303030;
}

.sidebar-item {
    display: flex;
    align-items: center;
    height: 40px;
    cursor: pointer;
    color: #f1f1f1;
    text-decoration: none;
}

.sidebar-item:hover {
    background-color: #272727;
}


/* Основной контент */
.main-content {
    padding-top: 120px;
    padding: 20px;
    flex: 1;
}

.filter-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.filter-btn {
    background-color: #272727;
    color: #f1f1f1;
    border: none;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
}

.filter-btn.active {
    background-color: #f1f1f1;
    color: #0f0f0f;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.video-card {
    background-color: transparent;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 соотношение сторон */
    background-color: #272727;
    overflow: hidden;
    border-radius: 10px;
}

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

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    font-size: 12px;
    padding: 2px 4px;
    border-radius: 4px;
}

.video-info {
    display: flex;
    padding: 12px 0;
}

.channel-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #065fd4;
    margin-right: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.video-details {
    flex: 1;
}

.video-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 6px;
    color: #f1f1f1;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
/*    -webkit-line-clamp: 2; */
    -webkit-box-orient: vertical;
}

.channel-name {
    font-size: 14px;
    color: #aaa;
    margin-bottom: 4px;
}

.video-stats {
    font-size: 14px;
    color: #aaa;
}

/* Адаптивность */
@media (max-width: 1312px) {
    .video-grid {
grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 1100px) {
    .sidebar {
width: 72px;
    }
    
    .sidebar-item span {
display: none;
    }
    
    .sidebar-item i {
margin-right: 0;
font-size: 22px;
    }
    
    .main-content {
margin-left: 72px;
    }
}

@media (max-width: 768px) {
    .video-grid {
grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .search-section {
flex: 1;
justify-content: flex-end;
    }
    
    .search-container {
display: none;
    }
    
    .search-btn {
background: transparent;
border: none;
width: auto;
    }
}

@media (max-width: 576px) {
    .video-grid {
grid-template-columns: 1fr;
    }
    
    .main-content {
padding: 10px;
    }
    
    .filter-buttons {
gap: 8px;
    }
    
    .filter-btn {
padding: 6px 10px;
font-size: 13px;
    }
}

/* Инструкции по добавлению видео */
.instructions {
    background-color: #1a1a1a;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
    border-left: 4px solid #ff0000;
}

.instructions h3 {
    color: #ff0000;
    margin-bottom: 15px;
}

.instructions ol {
    padding-left: 20px;
    line-height: 1.6;
}

.instructions li {
    margin-bottom: 10px;
}

.instructions code {
    background-color: #272727;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

.minigame {
    margin-top: 120px;
    margin-left: 180px;
}

.yt-link {
    background-color: #ff0000;
    color: #f1f1f1;
    font-size: 22px;
}