body {
  font-family: Arial, sans-serif;
  background-color: #f8f9fa;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background: #fff;
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  width: 80%;
  max-width: 800px;
}

h1 {
  text-align: center;
}

.matrix-inputs {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

textarea {
  width: 100%;
  height: 100px;
  padding: 10px;
  font-family: monospace;
  font-size: 14px;
}

.buttons {
  text-align: center;
  margin: 20px 0;
}

button {
  margin: 5px;
  padding: 10px 20px;
  background-color: #007bff;
  border: none;
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

#result {
  text-align: center;
  font-weight: bold;
  margin-top: 20px;
}