body {
  font-family: Arial, sans-serif;
  background-color: #333;
  color: #fff;
  text-align: center;
  padding-top: 20px;
}

.app-container {
  background-color: #f4f4f4;
  color: #000;
  padding: 25px;
  border-radius: 8px;
  margin: 20px auto;
  max-width: 600px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.3);
}

.logo {
  width: 100px;
}

input, button {
  width: 90%;
  margin: 10px auto;
  padding: 12px;
  border-radius: 5px;
  border: none;
}

button {
  background-color: #f97316;
  color: white;
  cursor: pointer;
}

button:hover {
  background-color: #ea580c;
}