body{
    margin:0;
    background:#f5f7fa;
    font-family:Arial,sans-serif;
}

.container{
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:100vh;
    padding:20px;
}

.card{
    background:white;
    padding:35px;
    width:380px;
    border-radius:18px;
    box-shadow:0 15px 40px rgba(0,0,0,.08);
}

.logo{
    width:80px;
    display:block;
    margin:auto;
}

h1{
    text-align:center;
    color:#005DAA;
    margin-bottom:5px;
}

p{
    text-align:center;
    color:#777;
}

input{
    width:100%;
    padding:14px;
    margin:10px 0;
    border:1px solid #ddd;
    border-radius:10px;
    box-sizing:border-box;
}

.radio-group{
    display:flex;
    justify-content:space-around;
    margin:15px 0;
}

button{
    width:100%;
    padding:14px;
    border:none;
    border-radius:10px;
    background:#005DAA;
    color:white;
    font-size:16px;
    cursor:pointer;
}

button:hover{
    background:#004b8c;
}

.footer{
    text-align:center;
    font-size:13px;
    color:#999;
    margin-top:20px;
}

.error{
    color:#c00;
    text-align:center;
    font-size:14px;
    margin:10px 0;
}

.admin-header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:15px;
}

.admin-header h2{
    margin:0;
    color:#005DAA;
}

.logout-btn{
    padding:8px 16px;
    background:#c00;
    color:white;
    text-decoration:none;
    border-radius:8px;
    font-size:14px;
}

.logout-btn:hover{
    background:#900;
}

.table-container{
    padding:40px;
    overflow-x:auto;
}

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

th{
    background:#005DAA;
    color:white;
}

th,td{
    padding:12px;
    border:1px solid #ddd;
    text-align:left;
}

@media (max-width:600px){
    .card{
        width:100%;
        padding:25px;
    }

    .table-container{
        padding:15px;
    }

    th,td{
        padding:8px;
        font-size:14px;
    }
}