body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: #f4f4f4;
  margin: 0;
  padding: 0;
}

h1 {
  background-color: #333;
  color: white;
  padding: 10px;
}

#video, #canvas {
  width: 640px;
  height: 480px;
  border: 2px solid #444;
  margin-top: 20px;
  border-radius: 10px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.braille-box {
  width: 100px;
  height: 150px;
  margin: 20px auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: #ccc;
  border: 2px solid #999;
  transition: background-color 0.2s ease;
}

.dot.filled {
  background-color: #333;
}

.output {
  margin-top: 20px;
  font-size: 16px;
  padding: 10px;
  background: white;
  border: 1px solid #ddd;
  width: 1000px;
  margin: auto;
  border-radius: 10px;
}

#outputText {
  font-size: 18px;
  color: #222;
  min-height: 30px;
}

.controls {
  margin: 20px auto;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.controls button {
  padding: 10px 20px;
  font-size: 16px;
  background-color: #333;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.controls button:hover {
  background-color: #555;
}