body {
  font-family: sans-serif;
  padding: 2rem;
  background: #f5f5f5;
}

.container {
  max-width: 600px;
  margin: auto;
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

label, input, button {
  display: block;
  width: 100%;
  margin-bottom: 1rem;
}

input {
  padding: 0.5rem;
  font-size: 1rem;
}

button {
  padding: 0.75rem;
  font-size: 1rem;
  background-color: #1976d2;
  color: white;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
}

.loader {
  margin-top: 1rem;
  padding: 1rem;
  background: #dff0d8;
  border-left: 5px solid #4caf50;
  font-weight: bold;
  font-family: monospace;
}