body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #4f76e8, #9fa2f7);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
  }

  .login-container {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 420px;
    box-sizing: border-box;
    transition: all 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  h2 {
    color: #304ffe;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.8rem;
    letter-spacing: 0.5px;
  }

  form {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .form-group {
    width: 100%;
    margin-bottom: 1rem;
  }

  input[type=email],
input[type=password] {
  width: 100%;
  padding: 14px 16px;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: #333;
  box-sizing: border-box;
}

input[type=submit] {
  margin-top: 1rem;
  background: #304ffe;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease-in-out;
  width: 100%;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 1rem;
  box-sizing: border-box;
}

  input[type=email]:focus,
  input[type=password]:focus {
    border-color: #304ffe;
    outline: none;
  }

  input[type=submit] {
    background: #304ffe;
    color: white;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease-in-out;
  }

  input[type=submit]:hover {
    background: #1a3ef1;
  }

  .error {
    color: #d32f2f;
    font-size: 0.9rem;
    margin-bottom: 10px;
    text-align: center;
  }

  .footer {
    margin-top: 1.5rem;
    text-align: center;
    color: #777;
    font-size: 0.85rem;
  }

  .toggle-password {
    cursor: pointer;
    font-size: 0.85rem;
    color: #555;
    text-align: right;
    width: 100%;
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
  }

  @media (max-width: 480px) {
    .login-container {
      padding: 1.5rem;
      border-radius: 0.75rem;
    }

    h2 {
      font-size: 1.5rem;
    }

    input[type=email],
    input[type=password],
    input[type=submit] {
      font-size: 0.95rem;
      padding: 12px;
    }
  }
  
  input.invalid {
  border-color: #d32f2f;
  background-color: #fff5f5;
}