*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial,Helvetica,sans-serif;
}

body{
    background:#f5f7fb;
    color:#222;
    padding-bottom:90px;
}

.topo{
    background:#0f172a;
    color:white;
    padding:25px 20px;
    border-bottom-left-radius:20px;
    border-bottom-right-radius:20px;
    box-shadow:0 3px 10px rgba(0,0,0,.15);
}

.topo h1{
    font-size:28px;
    margin-bottom:5px;
}

.topo p{
    opacity:.85;
}

.dashboard{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:15px;
    padding:20px;
}

.card{
    background:white;
    border-radius:16px;
    padding:18px;
    box-shadow:0 4px 12px rgba(0,0,0,.08);
    transition:.2s;
}

.card:active{
    transform:scale(.98);
}

.card h2{
    font-size:15px;
    color:#666;
    margin-bottom:10px;
}

.card h3{
    font-size:28px;
    color:#16a34a;
}

#novaLocacao{
    position:fixed;
    right:20px;
    bottom:90px;
    border:none;
    background:#16a34a;
    color:white;
    padding:16px 22px;
    border-radius:50px;
    font-size:17px;
    font-weight:bold;
    box-shadow:0 6px 15px rgba(0,0,0,.25);
}

nav{
    position:fixed;
    bottom:0;
    left:0;
    width:100%;
    height:70px;
    background:white;
    display:flex;
    justify-content:space-around;
    align-items:center;
    box-shadow:0 -2px 10px rgba(0,0,0,.1);
}

nav button{
    border:none;
    background:none;
    font-size:28px;
}