body{font-family:'Segoe UI',Arial;background:#0f172a;color:white;text-align:center;padding:20px;}
.container{max-width:500px;margin:auto;}
.card{background:#1e293b;padding:25px;border-radius:15px;box-shadow:0 10px 15px rgba(0,0,0,0.3);margin-bottom:20px;}
button{background:#22c55e;color:white;border:none;padding:12px;border-radius:8px;width:100%;cursor:pointer;font-weight:bold;}
button:hover{background:#16a34a;}
table{width:100%;margin-top:20px;font-size:12px;}
th{background:#334155;padding:10px;}
td{padding:10px;border-bottom:1px solid #334155;}
input[type="text"]{padding:10px;border-radius:5px;border:none;margin-bottom:10px;width:80%;}