body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #e0e0e0;
    overflow-x: hidden;
}
header {
    background-color: #000;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.5);
}
header h1 {
    margin: 0;
    font-size: 3em;
    color: #ff4081;
    text-shadow: 0 0 10px #ff4081;
}
nav ul {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}
nav ul li {
    display: inline;
    margin: 0 20px;
}
nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}
nav ul li a:hover {
    color: #ff4081;
}
.search-bar {
    margin: 15px 0;
}
.search-bar input {
    padding: 12px;
    width: 400px;
    border: none;
    border-radius: 25px 0 0 25px;
    background-color: #333;
    color: #fff;
}
.search-bar button {
    padding: 12px 20px;
    border: none;
    background-color: #ff4081;
    color: #fff;
    border-radius: 0 25px 25px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}
.search-bar button:hover {
    background-color: #d81b60;
}
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    padding: 30px;
}
.video-item {
    background-color: #1e1e1e;
    border-radius: 15px;
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}
.video-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(255,64,129,0.5);
}
.video-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}
.video-item h3 {
    margin: 15px;
    font-size: 1.3em;
    color: #ff4081;
}
.video-item a {
    color: inherit;
    text-decoration: none;
}
.categories, .popular-videos {
    padding: 30px;
    text-align: center;
}
.categories h2, .popular-videos h2 {
    font-size: 2em;
    color: #ff4081;
}
.categories ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.categories ul li {
    margin: 10px;
}
.categories button {
    background-color: #ff4081;
    border: none;
    padding: 12px 25px;
    color: #fff;
    border-radius: 25px;
    cursor: pointer;
    transition: background-color 0.3s;
}
.categories button:hover {
    background-color: #d81b60;
}
.pagination {
    text-align: center;
    margin: 20px 0;
}
.pagination button {
    background-color: #ff4081;
    border: none;
    padding: 10px 15px;
    margin: 5px;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}
.pagination button:hover {
    background-color: #d81b60;
}
footer {
    background-color: #000;
    padding: 20px;
    text-align: center;
    font-size: 0.9em;
    border-top: 1px solid #333;
}
footer a {
    color: #ff4081;
    text-decoration: none;
}
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #121212;
    justify-content: center;
    align-items: center;
}
.modal-content {
    background-color: #1e1e1e;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
}
.modal-content h2 {
    color: #ff4081;
}
.modal-content button {
    padding: 12px 25px;
    margin: 10px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
}
#enterBtn {
    background-color: #ff4081;
    color: #fff;
}
#enterBtn:hover {
    background-color: #d81b60;
}
#exitBtn {
    background-color: #555;
    color: #fff;
}
#exitBtn:hover {
    background-color: #333;
}
@media (max-width: 768px) {
    .search-bar input {
        width: 200px;
    }
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}