body {
    margin:0;
    font-family:Arial;
    background:#0d0d0d;
    color:white;
}

header {
    background:#1a001f;
    padding:15px 25px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    box-shadow:0 0 15px #8000ff;
}

.logo {
    font-size:26px;
    font-weight:bold;
    color:#c77dff;
}

nav button {
    background:none;
    border:none;
    color:#c77dff;
    font-size:16px;
    margin-left:15px;
    cursor:pointer;
}

nav button:hover {
    color:white;
}

.page {
    display:none;
}

.active {
    display:block;
}

.grid {
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
    gap:20px;
    padding:25px;
}

.video-card {
    background:#1a001f;
    border-radius:15px;
    overflow:hidden;
    cursor:pointer;
    transition:0.3s;
}

.video-card:hover {
    transform:scale(1.05);
}

.video-card img {
    width:100%;
    height:170px;
    object-fit:cover;
}

.video-info {
    padding:10px;
}

.video-info h3 {
    margin:5px 0;
    color:#e0aaff;
}

.player-container {
    max-width:900px;
    margin:auto;
    padding:30px;
}

video {
    width:100%;
    border-radius:15px;
}

.back {
    margin:20px;
    background:#8000ff;
    border:none;
    padding:10px 15px;
    color:white;
    cursor:pointer;
    border-radius:10px;
}

.info-container {
    max-width:800px;
    margin:auto;
    padding:30px;
}