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

body{
    background:linear-gradient(135deg,#667eea,#764ba2);
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
}

.card{
    width:420px;
    background:#fff;
    border-radius:15px;
    padding:35px;
    box-shadow:0 20px 50px rgba(0,0,0,.25);
}

.logo{
    text-align:center;
    font-size:30px;
    margin-bottom:20px;
}

h2{
    text-align:center;
    margin-bottom:20px;
}

input{
    width:100%;
    padding:14px;
    border:1px solid #ddd;
    border-radius:8px;
    margin-top:15px;
    font-size:16px;
}

button{
    width:100%;
    margin-top:20px;
    padding:14px;
    border:none;
    border-radius:8px;
    background:#3399cc;
    color:white;
    font-size:17px;
    cursor:pointer;
    transition:.3s;
}

button:hover{
    background:#287ca6;
}

.success{
    color:#0f9d58;
    text-align:center;
    font-size:70px;
}

.fail{
    color:#d93025;
    text-align:center;
    font-size:70px;
}

.msg{
    text-align:center;
    margin-top:15px;
    font-size:18px;
}

a{
    display:block;
    text-align:center;
    margin-top:20px;
    text-decoration:none;
}