body {
background: #0f0f0f;
color: white;
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
}

header {
padding: 16px;
position: sticky;
top: 0;
background: #111;
border-bottom: 1px solid #222;
}

input {
width: 100%;
padding: 12px;
border-radius: 12px;
border: none;
background: #222;
color: white;
}

.video-card {
padding: 16px;
border-bottom: 1px solid #222;
}

video {
width: 100%;
border-radius: 16px;
margin-top: 10px;
}