* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        
        .login-container {
            background: white;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 400px;
            padding: 40px 30px;
            animation: fadeIn 0.5s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        h2 {
            color: #333;
            text-align: center;
            margin-bottom: 30px;
            font-weight: 600;
            font-size: 28px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            color: #555;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 8px;
        }
        
        input {
            width: 100%;
            padding: 14px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s;
            outline: none;
        }
        
        input:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }
        
        .submit-btn {
            background: linear-gradient(to right, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: transform 0.2s, box-shadow 0.2s;
            margin-top: 10px;
        }
        
        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
        }
        
        .submit-btn:active {
            transform: translateY(0);
        }
        
        .form-footer {
            text-align: center;
            margin-top: 25px;
            color: #777;
            font-size: 14px;
        }
        
        .form-footer a {
            color: #667eea;
            text-decoration: none;
            font-weight: 500;
        }
        
        .form-footer a:hover {
            text-decoration: underline;
        }
        
        @media (max-width: 480px) {
            .login-container {
                padding: 30px 20px;
            }
            
            h2 {
                font-size: 24px;
            }
        }