body {
font-family: Arial, sans-serif;
background: #f4f6f8;
margin: 0;
padding: 0;
}
.container {
width: 90%;
max-width: 1000px;
margin: 40px auto;
padding: 20px;
background: #fff;
border-radius: 10px;
box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
h2 {
text-align: center;
margin-bottom: 20px;
}
#csvFile, #submitBtn {
display: block;
margin: 10px auto;
}
#results {
margin: 20px 0;
font-size: 16px;
}
canvas {
margin-top: 20px;
}