*{box-sizing:border-box}
body{
margin:0;
font-family:Arial,"Microsoft YaHei",sans-serif;
background:#f5f7fb;
}
.sidebar{
position:fixed;
left:0;
top:0;
width:230px;
height:100vh;
background:#111827;
color:#fff;
padding:25px;
}
.sidebar a{
display:block;
color:#ddd;
text-decoration:none;
padding:12px 0;
}
.main{
margin-left:260px;
padding:30px;
}
.cards{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:20px;
}
.card{
background:white;
border-radius:14px;
padding:25px;
box-shadow:0 4px 15px rgba(0,0,0,.08);
}
.num{
font-size:32px;
font-weight:bold;
margin-top:10px;
}
.btn{
display:inline-block;
background:#2563eb;
color:white;
padding:12px 18px;
border-radius:8px;
text-decoration:none;
margin-right:10px;
}
table{
width:100%;
background:#fff;
border-collapse:collapse;
margin-top:25px;
}
th,td{
padding:12px;
border-bottom:1px solid #eee;
}
.status{
padding:5px 12px;
border-radius:15px;
}
.pending{background:#fff3cd}
.processing{background:#cfe2ff}
.completed{background:#d1e7dd}
.failed{background:#f8d7da}