body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f5f5f5;
}

.acul-card {
  max-width: 380px;
  margin: 10vh auto;
  padding: 2rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.acul-card h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.acul-card input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem;
  margin: 0.5rem 0 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.acul-card button {
  width: 100%;
  padding: 0.6rem;
  margin-bottom: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

.acul-card button.primary {
  background: #4b3fbf;
  color: #fff;
  border-color: #4b3fbf;
}

.acul-card button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.screen-mfa-login-options button {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 1rem;
}

.acul-empty {
  text-align: center;
  color: #888;
  padding: 1.5rem;
  border: 1px dashed #ccc;
  border-radius: 4px;
}

.acul-error {
  color: #c0392b;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}