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

body{
    background: linear-gradient(135deg,#020617,#0f172a);
    min-height:100vh;
    color:#fff;
}

.container{
    width:420px;
    margin:120px auto;
    background:#020617;
    padding:30px;
    border-radius:12px;
    box-shadow:0 20px 40px rgba(0,0,0,.6);
    text-align:center;
}

h1,h2{
    margin-bottom:15px;
}

p{
    opacity:.85;
    margin-bottom:20px;
}

input{
    width:100%;
    padding:12px;
    margin:10px 0;
    border:none;
    border-radius:6px;
}

button{
    width:100%;
    padding:12px;
    background:#38bdf8;
    border:none;
    border-radius:6px;
    font-weight:bold;
    cursor:pointer;
}

button:hover{
    background:#0ea5e9;
}

.topbar{
    background:#020617;
    padding:15px 30px;
}

.logout{
    float:right;
    color:#38bdf8;
    text-decoration:none;
}