body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: radial-gradient(circle at center, #0f2027, #203a43, #2c5364);
  color: white;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.4);
}

video {
  width: 100%;
  display: block;
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
}

.scan-line {
  position: absolute;
  width: 100%;
  height: 3px;
  background: rgba(0, 255, 255, 0.8);
  animation: scan 2s infinite;
}

@keyframes scan {
  0% {
    top: 0;
  }
  100% {
    top: 100%;
  }
}

#result {
  font-size: 24px;
  font-weight: bold;
}