/* Estilos gerais */
body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #343a40;
    color: #fff;
    padding: 15px;
    text-align: center;
}

nav {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    background-color: #343a40;
}

nav a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
    padding: 10px;
    display: block;
}

nav a:hover {
    background-color: #0056b3;
    border-radius: 5px;
}

nav .menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 768px) {
    nav a {
        display: none;
        width: 100%;
        text-align: left;
        padding: 10px;
    }
    nav a.menu-toggle {
        display: block;
    }
    nav.active a {
        display: block;
    }
    nav {
        justify-content: space-between;
    }
}

main {
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 5px;
    flex: 1;
}

h2 {
    text-align: center;
    color: #343a40;
}

form {
    display: flex;
    flex-direction: column;
}

form label {
    margin-bottom: 5px;
    color: #495057;
}

form input, form select, form button {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ced4da;
    border-radius: 5px;
    font-size: 16px;
}

form input:focus, form select:focus, form button:focus {
    border-color: #007bff;
    outline: none;
}

form button {
    background-color: #007bff;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

form button:hover {
    background-color: #0056b3;
}

footer {
    background-color: #343a40;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    width: 100%;
    margin-top: auto;
}

/* Estilos para campos e botões no iOS */
input[type=text], input[type=number], select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

input[type=text]::placeholder, input[type=number]::placeholder {
    color: #adb5bd;
}

/* Corrige o problema de cor do select no iOS */
select {
    color: #495057;
}

/* Corrige o botão azul feio no iOS */
button {
    background-color: #007bff;
}