*{
box-sizing:border-box;
font-family:Arial,sans-serif;
}

body{
margin:0;
background:#f3f4f6;
}

.container{
max-width:1200px;
margin:auto;
padding:20px;
}

.panel{
background:white;
padding:20px;
margin-bottom:20px;
border-radius:10px;
box-shadow:0 2px 10px rgba(0,0,0,.08);
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(120px,1fr));
gap:10px;
margin-bottom:15px;
}

input,
button{
padding:10px;
}

button{
cursor:pointer;
background:#2563eb;
color:white;
border:none;
border-radius:6px;
}

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

th,
td{
border:1px solid #ddd;
padding:8px;
text-align:center;
}

canvas{
width:100%;
height:auto;
border:1px solid #ccc;
margin-top:15px;
}