body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #e0e0e0;
}

header {
    background-color: #333333;
    color: #ffffff;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0 0;
}

nav li {
    display: inline;
    margin: 0 1rem;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: #ff69b4;
}

#search {
    margin-top: 1rem;
    padding: 0.5rem;
    width: 80%;
    max-width: 400px;
    background-color: #333333;
    color: #ffffff;
    border: 1px solid #555555;
    border-radius: 4px;
}

#search::placeholder {
    color: #cccccc;
}

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

.video-item {
    background: #1e1e1e;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.video-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.7);
}

.video-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.video-item h3 {
    padding: 0.5rem;
    margin: 0;
    color: #ffffff;
}

footer {
    background-color: #333333;
    color: #ffffff;
    text-align: center;
    padding: 1rem;
    position: fixed;
    width: 100%;
    bottom: 0;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.5);
}

@media (max-width: 600px) {
    .gallery {
        grid-template-columns: 1fr;
    }
}