* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #f0f4ff, #e6eaff);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
  }
  
  .login-box {
    background-color: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  }
  
  .login-box h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #2e3a59;
  }
  
  .input-group {
    margin-bottom: 15px;
  }
  
  .input-group label {
    display: block;
    margin-bottom: 5px;
    color: #2e3a59;
  }
  
  .input-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e0;
    border-radius: 8px;
    font-size: 14px;
  }
  
  button[type="submit"] {
    width: 100%;
    background-color: #3a57e8;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  button[type="submit"]:hover {
    background-color: #3249c6;
  }
  
  .footer-text {
    margin-top: 15px;
    text-align: center;
    font-size: 12px;
    color: #a0aec0;
  }
  
  .banner-error {
    background-color: #ffe0e0;
    color: #d93025;
    border: 1px solid #f5c2c2;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
    text-align: center;
    animation: fadeIn 0.3s ease-in-out;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
  }