/* Estilos Globais e Configuração Mobile */
body { 
    font-family: sans-serif; 
    margin: 0; 
    padding: 0; 
    background-color: #f4f4f9; 
    box-sizing: border-box;
}
.app-container { 
    max-width: 420px; 
    margin: 20px auto; 
    background-color: #fff; 
    padding: 20px; 
    border-radius: 10px; 
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1); 
    min-height: 90vh;
}
h1, h2 { 
    color: #007bff; 
    text-align: center; 
    margin-bottom: 20px;
}

/* Estilos de Formulário */
.form-group { 
    margin-bottom: 15px; 
}
.form-group label { 
    display: block; 
    margin-bottom: 5px; 
    font-weight: bold; 
    color: #333;
}
.form-group input, .form-group textarea { 
    width: 100%; 
    padding: 12px; 
    border: 1px solid #ddd; 
    border-radius: 5px; 
    box-sizing: border-box;
    font-size: 1em;
}

/* Botão Principal */
.btn-primario { 
    width: 100%; 
    padding: 15px; 
    background-color: #007bff; /* Azul */
    color: white; 
    border: none; 
    border-radius: 8px; 
    font-size: 1.1em;
    font-weight: bold; 
    cursor: pointer; 
    margin-top: 10px;
    transition: background-color 0.3s;
}
.btn-primario:hover {
    background-color: #0056b3;
}

/* Mensagens de Status */
.status-success { 
    padding: 10px; 
    background-color: #e6ffe6; 
    color: green; 
    border-radius: 5px; 
    margin-top: 15px; 
    text-align: center; 
    font-weight: bold;
}
.status-error { 
    padding: 10px; 
    background-color: #ffe6e6; 
    color: red; 
    border-radius: 5px; 
    margin-top: 15px; 
    text-align: center; 
    font-weight: bold;
}
.status-hidden { display: none; }

/* --- Estilos da Tela do Professor (WhatsApp) --- */

.item-crianca-professor {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.info-crianca {
    display: flex;
    flex-direction: column;
}

.nome { 
    font-weight: bold; 
    font-size: 1.1em;
}
.responsavel { 
    font-size: 0.9em; 
    color: #666; 
}

/* Botão WhatsApp */
.btn-whatsapp {
    display: flex;
    align-items: center;
    text-decoration: none;
    background-color: #25D366; /* Cor oficial do WhatsApp */
    color: white;
    padding: 8px 12px;
    border-radius: 20px; 
    font-size: 0.85em;
    font-weight: bold;
    transition: background-color 0.3s;
}
.btn-whatsapp:hover {
    background-color: #1DA851;
}
.sem-whatsapp {
    color: #999;
    font-style: italic;
    font-size: 0.85em;
    padding: 8px 12px;
    border: 1px dashed #ccc;
    border-radius: 4px;
}