*{margin:0;padding:0;box-sizing:border-box;font-family:Arial;}
body{background:#f4f6fb;display:flex;justify-content:center;align-items:center;height:100vh;}
.container{background:white;padding:35px;width:420px;border-radius:12px;box-shadow:0 10px 25px rgba(0,0,0,0.1);}
h2{text-align:center;margin-bottom:20px;}
.input-group{margin-bottom:15px;}
label{font-size:14px;font-weight:bold;}
input{width:100%;padding:10px;border:1px solid #ccc;border-radius:6px;margin-top:5px;}
button{width:100%;padding:12px;background:#4f46e5;color:white;border:none;border-radius:8px;font-size:16px;cursor:pointer;}
button:hover{background:#4338ca;}
.admin-container{width:90%;margin:auto;margin-top:40px;}
.stats{display:flex;gap:20px;margin-bottom:25px;}
.card{background:white;padding:20px;flex:1;border-radius:10px;box-shadow:0 5px 15px rgba(0,0,0,0.1);text-align:center;}
table{width:100%;border-collapse:collapse;}
th,td{border:1px solid #ddd;padding:10px;}
th{background:#4f46e5;color:white;}