/* Reset básico */
* { margin: 0; padding: 0; box-box: border-box; }
html, body { height: 100%; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }

.container-principal {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Linha 1 */
.header-topo {
    height: 60px;
    background: #2c3e50;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

/* Linha 2 */
.corpo-meio {
    display: flex;
    flex: 1; /* Faz esta linha crescer e ocupar o meio */
}

.menu-lateral {
    width: 250px;
    background: #f8f9fa;
    border-right: 1px solid #dee2e6;
    padding: 20px;
}

.menu-lateral ul { list-style: none; }
.menu-lateral li { margin-bottom: 10px; }
.menu-lateral a { text-decoration: none; color: #333; }
.menu-lateral a:hover { color: #007bff; }

.palco {
    flex: 1;
    padding: 30px;
    overflow-y: auto; /* Se o conteúdo for longo, só o palco rola */
    background: #fff;
}

/* Linha 3 */
.rodape {
    height: 40px;
    background: #f1f1f1;
    border-top: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}