body{
margin:0;
font-family:Arial, Helvetica, sans-serif;
background:#f5f7fb;
}

.layout{
display:flex;
}

/* SIDEBAR */

.sidebar{

width:260px;
background:#0f3b82;
color:white;
height:100vh;
padding:25px;
position:fixed;

}

.sidebar h2{
margin-top:0;
}

.sidebar ul{
list-style:none;
padding:0;
}

.sidebar li{
margin:14px 0;
}

.sidebar a{
color:white;
text-decoration:none;
}

.sidebar a:hover{
text-decoration:underline;
}

/* CONTEÚDO */

.content{

margin-left:260px;
padding:40px;
max-width:900px;

}

.card{

background:white;
padding:30px;
border-radius:8px;
box-shadow:0 3px 8px rgba(0,0,0,0.1);
margin-bottom:30px;

}

footer{

margin-top:40px;
font-size:14px;
color:#555;

}