```css
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 20px;
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f8;
    color: #222;
}

.container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.cabecalho {
    text-align: center;
    margin-bottom: 25px;
}

.cabecalho h1 {
    margin: 0 0 8px;
    font-size: 30px;
}

.cabecalho p {
    margin: 0;
    color: #666;
}

.card {
    background: #fff;
    padding: 25px;
    border-radius: 14px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
}

.ajuda {
    margin-top: 0;
    color: #666;
    font-size: 14px;
}

textarea {
    width: 100%;
    min-height: 220px;
    padding: 14px;
    resize: vertical;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: monospace;
    font-size: 14px;
}

textarea:focus {
    outline: none;
    border-color: #555;
}

.formato {
    margin-top: 15px;
    padding: 14px;
    background: #f1f3f5;
    border-radius: 8px;
    font-size: 13px;
}

.formato code {
    display: block;
    margin-top: 8px;
    white-space: normal;
    word-break: break-word;
}

#btnGerar {
    width: 100%;
    margin-top: 20px;
    padding: 15px;
    border: 0;
    border-radius: 8px;
    background: #222;
    color: #fff;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
}

#btnGerar:hover {
    opacity: 0.9;
}

#btnGerar:disabled {
    opacity: 0.6;
    cursor: wait;
}

.status {
    margin-top: 20px;
    padding: 18px;
    border-radius: 10px;
    display: none;
}

.status:not(:empty) {
    display: block;
}

.status.sucesso {
    background: #eef8f0;
    border: 1px solid #b7dfbe;
}

.status.erro {
    background: #fff0f0;
    border: 1px solid #e0aaaa;
}

.download {
    display: inline-block;
    padding: 10px 15px;
    border-radius: 7px;
    background: #222;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    margin-left: 10px;
}

.download:hover {
    opacity: 0.85;
}

.download.todos {
    margin: 0 0 15px 0;
    border: 0;
    cursor: pointer;
    font-size: 15px;
}

.lista-documentos {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.documento-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.documento-item span {
    word-break: break-word;
}

.info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.info > div {
    background: #fff;
    padding: 18px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
}

.info strong {
    display: block;
    font-size: 22px;
    margin-bottom: 5px;
}

.info span {
    color: #666;
    font-size: 13px;
}

@media (max-width: 650px) {

    body {
        padding: 10px;
    }

    .card {
        padding: 16px;
    }

    .cabecalho h1 {
        font-size: 24px;
    }

    .info {
        grid-template-columns: 1fr;
    }

    .documento-item {
        flex-direction: column;
        align-items: stretch;
    }

    .documento-item .download {
        margin-left: 0;
        text-align: center;
    }

}
```