body{
font-family:Arial,sans-serif;
margin:0;
background:#f5f7fa;
}

header{
background:#1f2937;
color:white;
text-align:center;
padding:25px;
}

.dashboard{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:20px;
padding:20px;
}

.card{
background:white;
padding:20px;
text-align:center;
border-radius:10px;
box-shadow:0 2px 5px rgba(0,0,0,.1);
}

.card p{
font-size:28px;
font-weight:bold;
}

section{
background:white;
margin:20px;
padding:20px;
border-radius:10px;
}

table{
width:100%;
border-collapse:collapse;
}

th{
background:#1f2937;
color:white;
padding:10px;
}

td{
padding:10px;
border-bottom:1px solid #ddd;
}

.low{
color:red;
font-weight:bold;
}