body {
  background: #0b1020;
  color: #e8f0ff;
  font-family: system-ui, sans-serif;
}
.card {
  max-width: 600px;
  margin: 40px auto;
  background: #121a35;
  padding: 20px;
  border-radius: 14px;
}
textarea {
  width: 100%;
  height: 100px;
  margin-bottom: 12px;
}
button {
  padding: 10px 16px;
  font-size: 16px;
}
video {
  width: 100%;
  margin-top: 16px;
}
#status { margin-top: 10px; }