body {
            font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            max-width: 600px;
            margin: 50px auto;
            padding: 20px;
            background-color:black;
        }
        
        .container {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 2px 10px black;
        }
        
        h1 {
            color:black;
            text-align: center;
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }
        
        input {
            width: 100%;
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
        }
        
        button {
            background-color: #4CAF50;
            color: white;
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
        }
        
        button:hover {
            background-color: #45a049;
        }
        
        .resultado {
            margin-top: 30px;
            padding: 20px;
            background-color: #f9f9f9;
            border-radius: 5px;
            border-left: 4px solid #4CAF50;
        }
        
        .aprovado {
            color: #2ecc71;
            font-weight: bold;
        }
        
        .reprovado {
            color: #e74c3c;
            font-weight: bold;
        }
        
        .notas-container {
            display: flex;
            gap: 10px;
            margin-bottom: 10px;
        }
        
        .notas-container input {
            flex: 1;
        }