body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #2c3e50, #3498db);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  background: white;
  padding: 40px;
  border-radius: 10px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
  animation: fadeIn 1s ease-out;
}

.login-form {
  display: flex;
  flex-direction: column;
}

.login-form h2 {
  margin-bottom: 5px;
  color: #2c3e50;
}

.login-form p {
  margin-bottom: 20px;
  color: #7f8c8d;
}

.login-form input {
  margin-bottom: 15px;
  padding: 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 5px;
  transition: border 0.3s ease;
}

.login-form input:focus {
  border-color: #3498db;
  outline: none;
}

.login-form button {
  background: #3498db;
  color: white;
  border: none;
  padding: 12px;
  font-size: 16px;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.login-form button:hover {
  background: #2980b9;
}

.error-message {
  color: red;
  margin-top: 10px;
  font-size: 14px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}