/* Estilos gerais */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f2f4f8;
    color: #333;
}

/* Cabeçalho */
header {
    background-color: #234e70;
    color: white;
    text-align: center;
    padding: 25px;
}

/* Organização do menu vertical e do conteúdo */
.layout {
    display: flex;
    align-items: stretch;
    gap: 20px;
    max-width: 1100px;
    margin: 30px auto;
    padding: 0 20px;
}

/* Menu vertical */
nav {
    background-color: #16324f;
    width: 210px;
    min-width: 210px;
    padding: 15px;
    border-radius: 8px;
}

nav a {
    display: block;
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 13px 12px;
    margin-bottom: 5px;
    border-radius: 5px;
}

nav a:hover {
    background-color: #2878b5;
    color: #ffd166;
}

/* Conteúdo principal */
main {
    background-color: white;
    flex: 1;
    min-width: 0;
    padding: 30px;
    border-radius: 10px;
    min-height: 300px;
}

h2 {
    color: #234e70;
}

p {
    line-height: 1.6;
}

/* Links em formato de botão */
.links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 25px;
}

.links a,
.voltar {
    display: inline-block;
    background-color: #2878b5;
    color: white;
    text-decoration: none;
    padding: 12px 18px;
    border-radius: 5px;
}

.links a:hover,
.voltar:hover {
    background-color: #16324f;
}

/* Rodapé */
footer {
    background-color: #16324f;
    color: white;
    text-align: center;
    padding: 12px;
    margin-top: 30px;
}

/* Ajustes para telas pequenas */
@media (max-width: 650px) {
    .layout {
        flex-direction: column;
        margin: 15px auto;
        padding: 0 15px;
    }

    nav {
        width: 100%;
        min-width: 0;
    }

    main {
        padding: 20px;
    }
}