body {
  font-family: Arial, sans-serif;
  background: #f0f0f0;
  padding: 20px;
}
#video-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.video-card {
  background: white;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
}
video {
  width: 100%;
  max-height: 300px;
}
#loading {
  text-align: center;
  margin: 20px;
}