body {
  background: #111;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 20px;
}

h1 {
  margin-bottom: 10px;
}

video {
  width: 90%;
  max-width: 420px;
  border: 2px solid white;
  margin: 10px 0;
}

.controls button {
  padding: 10px 15px;
  font-size: 16px;
  margin: 5px;
  cursor: pointer;
}

#status {
  margin: 10px 0;
  color: #0f0;
}

.result-box {
  background: #222;
  padding: 10px;
  margin-top: 10px;
  border-radius: 6px;
}

.result-box button {
  margin-top: 5px;
}

.history {
  margin-top: 15px;
}

.history ul {
  list-style: none;
  padding: 0;
}

.history li {
  background: #222;
  margin: 4px 0;
  padding: 6px;
  font-size: 14px;
}