body {
  background: linear-gradient(135deg, #e0e7ff, #ffffff);
  font-family: "Segoe UI", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.card {
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  padding: 2rem;
  width: 100%;
  max-width: 400px;
}

h3 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #334;
}

input.form-control {
  border-radius: 8px;
  border: 1px solid #ccd;
}

.btn-primary {
  background: #4f46e5;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  transition: 0.2s;
}

.btn-primary:hover {
  background: #3730a3;
}

#loginMsg {
  text-align: center;
  color: #d33;
  margin-top: 10px;
}