html, body{
height:100%;
margin:0;
}

body{
font-family:Arial;
background:#f4f6f8;
display:flex;
flex-direction:column;
}

/* CONTEÚDO */

.page-content{
flex:1;
padding:20px;
box-sizing:border-box;
}

/* HEADER */

.header{
text-align:center;
margin-bottom:30px;
}

.logo-text{
font-size:36px;
font-weight:800;
letter-spacing:0.5px;
color:#ee4d2d;
margin:0;
}

.header p{
margin-top:8px;
font-size:17px;
color:#555;
}

/* GRID */

.grid{
display:flex;
gap:20px;
align-items:flex-start;
flex-wrap:wrap;
}

.container{
flex:1;
min-width:320px;
background:#fff;
padding:20px;
border-radius:10px;
box-shadow:0 0 10px rgba(0,0,0,.08);
width:100%;
box-sizing:border-box;
}

label{
display:block;
margin-top:10px;
font-weight:bold;
}

input{
width:100%;
padding:10px;
margin-top:5px;
margin-bottom:15px;
border:1px solid #ccc;
border-radius:6px;
box-sizing:border-box;
}

button{
width:100%;
margin-top:15px;
padding:12px;
background:#ee4d2d;
color:white;
border:none;
cursor:pointer;
border-radius:6px;
}

.checkbox-group{
display:flex;
align-items:center;
gap:8px;
margin-top:10px;
}

.checkbox-group input{
width:auto;
}

.resultado{
margin-top:15px;
padding:12px;
border:1px solid #ddd;
border-radius:8px;
}

.status{
display:flex;
align-items:center;
gap:8px;
font-weight:bold;
margin-bottom:10px;
}

.bolinha{
width:12px;
height:12px;
border-radius:50%;
}

.verde .bolinha{background:#28a745;}
.amarelo .bolinha{background:#ffc107;}
.vermelho .bolinha{background:#dc3545;}

.lucro-destaque{
font-size:26px;
font-weight:bold;
margin:10px 0;
}

/* RODAPÉ */

.footer{
text-align:center;
font-size:13px;
color:#777;
line-height:1.6;
padding:12px 0;
background:#f4f6f8;
}

/* MOBILE */

@media (max-width:768px){
.grid{
flex-direction:column;
}

.logo-text{
font-size:28px;
}

.header p{
font-size:15px;
}
}