body {
        font-family: 'Segoe UI', sans-serif;
        background: #f3f6fa;
        margin: 0;
        padding: 0;
    }

    .container {
        max-width: 600px;
        margin: 40px auto;
        background: white;
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

    h2 {
        text-align: center;
        color: #1a8b84;
    }

    form {
        display: flex;
        flex-direction: column;
        gap: 15px;
        margin-top: 20px;
    }

    input[type="text"] {
        padding: 12px;
        border: 1px solid #ccc;
        border-radius: 6px;
    }
select {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-family: 'Segoe UI', sans-serif;
    font-size: 14px;
}

    button {
        background-color: #1a8b84;
        color: white;
        padding: 12px;
        border: none;
        border-radius: 6px;
        cursor: pointer;
        font-weight: bold;
    }

    button:hover {
        background-color: #14635f;
    }

    .resultado {
        margin-top: 30px;
    }

    .certificado {
        background: #e6f0ef;
        padding: 15px;
        border-radius: 6px;
        margin-bottom: 15px;
    }

    .certificado a {
        text-decoration: none;
        color: #1a8b84;
        font-weight: bold;
    }

    @media (max-width: 600px) {
        .container {
            margin: 20px;
        }
    }