.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8f9fa;
  flex: 1 0 auto;
  width: 100%;
}
.login-card {
  width: 100%;
  max-width: 400px;
  border-radius: 10px;
}
.login-title {
  margin-bottom: 1.25rem;
  text-align: center;
  font-weight: 700;
}
.login-back {
  display: block;
  text-align: center;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: #6c757d;
  text-decoration: none;
}