body{font-family:Arial;background:#0f172a;color:#fff;margin:0;padding:20px}
h1{margin-bottom:20px}
.card{background:#1e293b;padding:15px;margin-bottom:15px;border-radius:10px}
button{padding:10px 20px;background:#22c55e;border:0;color:#000;font-weight:bold;cursor:pointer}
table{width:100%;border-collapse:collapse}
td,th{border-bottom:1px solid #334155;padding:8px;text-align:left}