body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: white;
    margin: 0;
    padding: 0;
}

header {
    text-align: center;
    padding: 20px;
    background-color: #1e1e1e;
    position: sticky;
    top: 0;
}

header h1 {
    margin: 0;
    color: #ffcc00;
}

#search, #categoryFilter {
    padding: 10px;
    margin: 10px;
    border-radius: 5px;
    border: none;
}

main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.video-card {
    background-color: #1f1f1f;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    text-align: center;
    transition: transform 0.2s ease-in-out;
}

.video-card:hover {
    transform: scale(1.03);
}

iframe {
    width: 100%;
    height: 200px;
}

h3 {
    padding: 10px;
    color: #ffcc00;
}