*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

body{
    background:#f4f6f9;
}

.container{
    width:90%;
    max-width:1100px;
    margin:auto;
}

.header{
    background:#1d4ed8;
    color:white;
    padding:20px;
}

.header h1{
    font-size:30px;
}

.main{
    margin-top:50px;
    text-align:center;
}

.btn{
    display:inline-block;
    margin:10px;
    padding:14px 30px;
    background:#1d4ed8;
    color:white;
    text-decoration:none;
    border-radius:8px;
    transition:.3s;
}

.btn:hover{
    background:#163ea9;
}
.login-page{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#f4f6f9;
}

.login-box{
    width:350px;
    background:white;
    padding:30px;
    border-radius:12px;
    box-shadow:0 10px 25px rgba(0,0,0,0.1);
    text-align:center;
}

.login-box h2{
    margin-bottom:20px;
    color:#1d4ed8;
}

.login-box input{
    width:100%;
    padding:13px;
    margin-bottom:15px;
    border:1px solid #ccc;
    border-radius:8px;
    font-size:15px;
}

.login-box button{
    width:100%;
    padding:13px;
    background:#1d4ed8;
    color:white;
    border:none;
    border-radius:8px;
    font-size:16px;
    cursor:pointer;
}

.login-box button:hover{
    background:#163ea9;
}

.login-box a{
    display:block;
    margin-top:15px;
    color:#1d4ed8;
    text-decoration:none;
}