body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  text-align: center;
}

.row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  margin-top: 10px;
  padding: 10px 15px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}