body{
font-family:Arial;
margin:0;
background:#f3f3f3;
}

.topo{
background:#3F5FA3;
color:white;
text-align:center;
padding:30px;
}

.menu{
display:flex;
flex-wrap:wrap;
gap:10px;
justify-content:center;
padding:20px;
}

.menu button{
background:#3F5FA3;
color:white;
border:none;
padding:10px 16px;
border-radius:10px;
}

.container{
padding:20px;
}

input,select{
display:block;
margin-top:10px;
padding:10px;
width:260px;
}

.btn{
margin-top:10px;
background:#3F5FA3;
color:white;
border:none;
padding:12px 18px;
border-radius:10px;
}

table{
width:100%;
margin-top:20px;
border-collapse:collapse;
}

th,td{
border:1px solid #ccc;
padding:10px;
text-align:center;
}

.aba{
display:none;
}

canvas{
max-width:600px;
margin-top:20px;
}

/* Efeito clique com sombra */
button{
transition: all 0.15s ease;
box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

button:active{
transform: translateY(2px);
box-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

.valor-destaque{
background:#f5f7ff;
padding:12px;
border-radius:8px;
font-size:18px;
margin:10px 0;
}
.valor-destaque strong{
font-size:22px;
color:#3F5FA3;
}