body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  color: #1f2937;
}

.scanner-page {
  max-width: 520px;
  margin: 40px auto;
  padding: 20px;
  text-align: center;
}

h1 {
  color: #0e65af;
}

#reader {
  width: 100%;
  max-width: 420px;
  margin: 20px auto;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}

.buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 20px 0;
}

button {
  border: none;
  padding: 12px 18px;
  border-radius: 8px;
  background: #0e65af;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

button:disabled {
  background: #a3a3a3;
  cursor: not-allowed;
}

.result-box {
  background: white;
  padding: 18px;
  border-radius: 12px;
  margin-top: 20px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
}

#result {
  word-break: break-word;
  font-weight: bold;
  color: #111827;
}