body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: 500px;
  margin: auto;
  padding: 2rem;
  background: white;
  margin-top: 4rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
}

input[type="text"] {
  padding: 10px;
  font-size: 1rem;
  width: 80%;
  margin: 1rem 0;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  padding: 10px 20px;
  font-size: 1rem;
  background-color: #447b4c;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 1rem;
}

button:hover {
  background-color: #365f3c;
}

button.help {
  background-color: #888;
  font-size: 0.9rem;
  margin-top: 1rem;
}

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

.divider {
  margin: 1rem 0;
  font-weight: bold;
  color: #999;
}

#result {
  font-weight: bold;
  margin-top: 1rem;
}

#scanStatus {
  color: #666;
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

footer {
  text-align: center;
  margin-top: auto;
  padding: 1rem 0;
  font-size: 0.9rem;
  color: #777;
}