body, html {
    margin: 0;
    padding: 0;
    font-family: "Times New Roman", serif;
    background: #e9eef3;
}

/* Fundo quadriculado suave */
.background {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background:
        linear-gradient(90deg, rgba(200,210,230,0.3) 50%, transparent 50%),
        linear-gradient(0deg, rgba(200,210,230,0.3) 50%, transparent 50%);
    background-size: 40px 40px;
}

/* Caixa central */
.journal-container {
    width: 800px;
    height: 480px;
    background: #fdfefe;
    border: 1px solid #bfc7d5;
    display: flex;
}

/* LISTA */
.journal-list {
    width: 220px;
    border-right: 1px solid #bfc7d5;
    padding: 15px;
    background: #f4f7fa;
}

.journal-list h2 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #3a4a6a;
}

.post-link {
    display: block;
    width: 100%;
    margin-bottom: 10px;
    padding: 8px;
    background: none;
    border: 1px solid #bfc7d5;
    font-family: inherit;
    font-size: 14px;
    text-align: left;
    cursor: pointer;
}

.post-link.active {
    background: #dbe5f5;
}

/* CONTEÚDO */
.journal-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.post {
    display: none;
}

.post.active {
    display: block;
}

.post img {
    display: block;
    margin: 20px auto;
    width: 90px;
    opacity: 0.85;
}

.date {
    font-size: 12px;
    color: #7a8bb0;
}

/*botão de voltar*/

.back-box {
    border-top: 1px solid #bfc7d5;
    padding: 12px;
    text-align: center;
    background: #f4f7fa;
}

.back-button {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid #bfc7d5;
    text-decoration: none;
    color: #3a4a6a;
    font-size: 14px;
}

.back-button:hover {
    background: #dbe5f5;
}