@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background-color: #f4f7f6;
    display: flex;
    justify-content: center;
    padding: 40px 20px;
    margin: 0;
}

.container {
    background: white;
    max-width: 800px;
    width: 100%;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

h1 { color: #2c3e50; text-align: center; margin-bottom: 30px; }

label { font-weight: 600; color: #555; display: block; margin-bottom: 5px; }

input, select {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

button {
    width: 100%;
    padding: 15px;
    background-color: #27ae60;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover { background-color: #219150; }

/* Área do Plano de Aula */
.resultado-container {
    margin-top: 30px;
    border-top: 2px solid #eee;
    padding-top: 20px;
}

.texto-plano {
    background: #fff;
    padding: 25px;
    border: 1px solid #eee;
    line-height: 1.8;
    color: #333;
    font-size: 15px;
    white-space: pre-wrap;
    /* TRAVAS DE SEGURANÇA */
    user-select: none;
    -webkit-user-select: none;
}

/* Esconde tudo na impressão */
@media print {
    body { display: none !important; }
}