.login-container {
  display: flex;
  justify-content: center;
}

.login-box {
  width: 100%;
  max-width: 400px;
  margin: clamp(2rem, 8vw, 5rem) auto;
}

.login-form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

#code-input {
  font-family: monospace;
  font-size: 1.4rem;
  letter-spacing: 0.3em;
  text-align: center;
}

.code-submit-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.code-submit-row .btn-primary {
  width: 100%;
  margin-top: 0;
}