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

:root{
    --primary:#22c55e;
    --primary2:#15803d;
    --dark:#020617;
    --card:rgba(15,23,42,.88);
    --border:rgba(255,255,255,.08);
    --text:#ffffff;
    --muted:#94a3b8;
}

body{
    min-height:100vh;

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

    padding:20px;

    font-family:
    Inter,
    Segoe UI,
    sans-serif;

    color:var(--text);

    background:
    radial-gradient(
    circle at top left,
    rgba(34,197,94,.12),
    transparent 35%
    ),
    radial-gradient(
    circle at bottom right,
    rgba(34,197,94,.08),
    transparent 35%
    ),
    linear-gradient(
    135deg,
    #020617,
    #0f172a,
    #111827
    );

    overflow-x:hidden;
}

.glow{
    position:fixed;

    width:600px;
    height:600px;

    border-radius:50%;

    background:var(--primary);

    opacity:.08;

    filter:blur(180px);

    top:-250px;
    right:-250px;

    pointer-events:none;
}

.card{
    position:relative;

    width:100%;
    max-width:460px;

    padding:40px;

    border-radius:32px;

    background:var(--card);

    backdrop-filter:blur(25px);

    border:1px solid var(--border);

    box-shadow:
    0 20px 60px rgba(0,0,0,.45);

    animation:fadeUp .7s ease;
}

.logo{
    width:100px;
    height:100px;

    margin:auto;

    margin-bottom:25px;

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

    font-size:42px;

    border-radius:26px;

    background:
    linear-gradient(
    135deg,
    var(--primary),
    var(--primary2)
    );

    box-shadow:
    0 15px 35px rgba(34,197,94,.25);
}

.title{
    text-align:center;

    font-size:34px;
    font-weight:700;

    letter-spacing:.5px;
}

.subtitle{
    text-align:center;

    color:var(--muted);

    margin-top:10px;
    margin-bottom:30px;

    font-size:15px;
}

.input{
    width:100%;

    padding:16px 18px;

    margin-bottom:18px;

    border-radius:18px;

    border:1px solid rgba(255,255,255,.08);

    background:#0f172a;

    color:#fff;

    outline:none;

    transition:.3s;
}

.input::placeholder{
    color:#64748b;
}

.input:focus{

    border-color:var(--primary);

    background:#111827;

    box-shadow:
    0 0 0 4px rgba(34,197,94,.12);

    transform:translateY(-2px);
}

.btn{
    width:100%;

    padding:16px;

    border:none;

    border-radius:18px;

    cursor:pointer;

    font-weight:700;

    color:white;

    background:
    linear-gradient(
    135deg,
    var(--primary),
    var(--primary2)
    );

    transition:.3s;
}

.btn:hover{

    transform:translateY(-3px);

    box-shadow:
    0 12px 25px rgba(34,197,94,.25);
}

.btn:active{
    transform:scale(.98);
}

.link{
    text-align:center;

    margin-top:22px;

    color:var(--muted);

    font-size:14px;
}

.link a{
    color:var(--primary);

    text-decoration:none;

    font-weight:600;
}

.link a:hover{
    text-decoration:underline;
}

.error{
    padding:14px;

    margin-bottom:20px;

    border-radius:16px;

    text-align:center;

    background:
    rgba(239,68,68,.12);

    border:
    1px solid rgba(239,68,68,.2);

    color:#fca5a5;
}

.success{
    padding:14px;

    margin-bottom:20px;

    border-radius:16px;

    text-align:center;

    background:
    rgba(34,197,94,.12);

    border:
    1px solid rgba(34,197,94,.2);

    color:#86efac;
}

@keyframes fadeUp{

    from{
        opacity:0;
        transform:translateY(25px);
    }

    to{
        opacity:1;
        transform:translateY(0);
    }

}

/* Tablet */

@media(max-width:768px){

    .card{
        max-width:100%;
        padding:32px;
    }

    .title{
        font-size:30px;
    }

    .logo{
        width:90px;
        height:90px;
        font-size:38px;
    }

}

/* Mobile */

@media(max-width:480px){

    body{
        padding:15px;
    }

    .card{
        padding:24px;
        border-radius:24px;
    }

    .title{
        font-size:24px;
    }

    .subtitle{
        font-size:14px;
    }

    .logo{
        width:75px;
        height:75px;
        font-size:30px;
        border-radius:20px;
    }

    .input{
        padding:14px 16px;
        font-size:14px;
    }

    .btn{
        padding:14px;
        font-size:14px;
    }

}

/* HP kecil */

@media(max-width:360px){

    .card{
        padding:20px;
    }

    .title{
        font-size:22px;
    }

    .subtitle{
        font-size:13px;
    }

}