*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Segoe UI;
}

body{
display:flex;
background:#f4f6f9;
}

.sidebar{
width:240px;
height:100vh;
background:#1f2937;
color:white;
padding:30px;
}

.sidebar h2{
margin-bottom:30px;
}

.sidebar li{
list-style:none;
margin:20px 0;
}

.main{
flex:1;
padding:30px;
}

header{
margin-bottom:30px;
}

.cards{
display:grid;
grid-template-columns:1fr 1fr;
gap:20px;
}

.card{
background:white;
padding:25px;
border-radius:15px;
box-shadow:0 5px 15px rgba(0,0,0,.1);
}

input{
width:100%;
padding:12px;
margin-top:10px;
margin-bottom:10px;
border:1px solid #ddd;
border-radius:8px;
}

button{
width:100%;
padding:15px;
border:none;
border-radius:8px;
background:#2563eb;
color:white;
font-size:16px;
cursor:pointer;
}

.resultado{
margin-top:20px;
display:grid;
grid-template-columns:1fr 1fr;
gap:20px;
}

#resultado{
font-size:18px;
line-height:35px;
}