body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    color: #333;
}

header {
    background: #4CAF50;
    color: white;
    padding: 1em;
    text-align: center;
}

.search-bar {
    margin-top: 10px;
}

.search-bar input {
    padding: 5px;
    width: 200px;
}

.search-bar button {
    padding: 5px 10px;
    background: #fff;
    color: #4CAF50;
    border: none;
    cursor: pointer;
}

.categories {
    margin: 1em 0;
}

.category-btn {
    padding: 6px 12px;
    margin: 2px;
    background: #ddd;
    border: none;
    cursor: pointer;
}

.category-btn.active {
    background: #4CAF50;
    color: white;
}

.channel-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    padding: 1em;
}

.channel-card {
    background: white;
    border-radius: 8px;
    width: 280px;
    box-shadow: 0 0 6px rgba(0,0,0,0.1);
    overflow: hidden;
    text-align: center;
    transition: transform 0.2s;
}

.channel-card:hover {
    transform: scale(1.02);
}

.channel-thumbnail {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.channel-details {
    padding: 10px;
}

.category-badge {
    display: inline-block;
    background: #4CAF50;
    color: white;
    padding: 4px 8px;
    border-radius: 5px;
    margin-top: 5px;
    font-size: 12px;
}

footer {
    background: #4CAF50;
    color: white;
    text-align: center;
    padding: 1em;
}

.video-wrapper {
    padding: 1em;
    text-align: center;
}