*{
    box-sizing:border-box;
    margin:0;
    padding:0;
}

body{

    min-height:100vh;

    display:flex;
    align-items:center;
    justify-content:center;

    padding:20px;

    font-family:'Plus Jakarta Sans',sans-serif;

    background:
    radial-gradient(circle at top left,#0ea5e9 0%,transparent 30%),
    radial-gradient(circle at bottom right,#2563eb 0%,transparent 30%),
    #0f172a;
}

.card{

    width:100%;
    max-width:500px;

    background:white;

    border-radius:28px;

    padding:42px;

    box-shadow:
    0 25px 80px rgba(0,0,0,.40);
}

.logo{

    width:180px;

    display:block;

    margin:0 auto 30px;
}

h1{

    text-align:center;

    font-size:30px;

    font-weight:800;

    color:#0f172a;

    margin-bottom:10px;
}

.desc{

    text-align:center;

    color:#64748b;

    line-height:1.6;

    margin-bottom:30px;
}

.input-group{

    margin-bottom:20px;
}

label{

    display:block;

    font-size:14px;

    font-weight:700;

    color:#334155;

    margin-bottom:9px;
}

input{

    width:100%;

    height:56px;

    border:0;

    outline:0;

    border-radius:16px;

    background:#f1f5f9;

    padding:0 17px;

    font-size:17px;

    letter-spacing:.5px;
}

input:focus{

    background:white;

    box-shadow:
    0 0 0 4px rgba(14,165,233,.15);
}

button{

    width:100%;

    height:56px;

    border:0;

    border-radius:16px;

    background:
    linear-gradient(135deg,#06b6d4,#2563eb);

    color:white;

    font-size:15px;

    font-weight:800;

    cursor:pointer;
}

button:disabled{

    opacity:.6;

    cursor:not-allowed;
}

.message{

    display:none;

    padding:13px 15px;

    border-radius:14px;

    margin-bottom:20px;

    font-size:14px;

    font-weight:600;
}

.message.error{

    background:#fee2e2;

    color:#b91c1c;
}

.message.success{

    background:#dcfce7;

    color:#166534;
}

.step{

    display:none;
}

.step.active{

    display:block;
}

.back{

    display:block;

    text-align:center;

    margin-top:22px;

    color:#2563eb;

    font-size:14px;

    font-weight:700;

    text-decoration:none;
}

.code-input{

    text-align:center;

    font-size:28px;

    letter-spacing:9px;

    font-weight:800;
}

.small{

    text-align:center;

    margin-top:14px;

    color:#64748b;

    font-size:13px;

    line-height:1.6;
}