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

body{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:15px;
    background:linear-gradient(135deg,#2563eb,#1d4ed8,#0f172a);
}

/* WRAPPER (lebih kecil) */
.register-wrapper{
    width:100%;
    max-width:380px;
}

/* BOX (lebih compact) */
.register-box{
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(20px);
    border-radius:20px;
    padding:22px;
    box-shadow:0 15px 40px rgba(0,0,0,.15);
    animation:fadeUp .4s ease;
}

@keyframes fadeUp{
    from{opacity:0;transform:translateY(20px);}
    to{opacity:1;transform:translateY(0);}
}

/* LOGO */
.register-logo{
    text-align:center;
    margin-bottom:10px;
}

.register-logo img{
    width:150px;
}

/* HEADER (lebih kecil) */
.register-header{
    text-align:center;
    margin-bottom:15px;
}

.register-header h2{
    color:#0f172a;
    font-size:22px;
    margin-bottom:4px;
}

.register-header p{
    color:#64748b;
    font-size:13px;
}

/* FORM */
.form-group{
    margin-bottom:12px;
}

.form-group label{
    display:block;
    margin-bottom:6px;
    font-size:13px;
    font-weight:600;
    color:#1e293b;
}

/* INPUT */
.input-box{
    position:relative;
}

.input-box i{
    position:absolute;
    left:12px;
    top:50%;
    transform:translateY(-50%);
    color:#94a3b8;
    font-size:13px;
}

.input-box input{
    width:100%;
    height:44px;
    border:1px solid #dbe2ea;
    border-radius:10px;
    padding-left:38px;
    padding-right:45px;
    font-size:13px;
    outline:none;
    transition:.3s;
}

.input-box input:focus{
    border-color:#2563eb;
    box-shadow:0 0 0 3px rgba(37,99,235,.12);
}

/* TOGGLE PASSWORD */
.toggle-password{
    position:absolute;
    right:0;
    top:0;
    width:44px;
    height:44px;
    border:none;
    background:none;
    cursor:pointer;
    color:#94a3b8;
    transition:.3s;
}

.toggle-password:hover{
    color:#2563eb;
}

/* PASSWORD STRENGTH */
.strength{
    width:100%;
    height:5px;
    background:#e2e8f0;
    border-radius:999px;
    margin-top:6px;
    overflow:hidden;
}

.strength-bar{
    height:100%;
    width:0%;
    transition:.3s;
    border-radius:999px;
}

#strengthText{
    display:block;
    margin-top:4px;
    font-size:11px;
    color:#64748b;
}

/* LEVEL COLOR */
.weak{ width:25%; background:#ef4444; }
.medium{ width:50%; background:#f59e0b; }
.strong{ width:75%; background:#3b82f6; }
.very-strong{ width:100%; background:#22c55e; }

/* BUTTON */
.register-btn{
    width:100%;
    height:44px;
    border:none;
    border-radius:10px;
    background:linear-gradient(135deg,#2563eb,#1d4ed8);
    color:#fff;
    font-size:14px;
    font-weight:600;
    cursor:pointer;
    transition:.3s;
    margin-top:4px;
}

.register-btn:hover{
    transform:translateY(-2px);
    box-shadow:0 8px 20px rgba(37,99,235,.25);
}

/* ALERT */
.alert{
    display:flex;
    align-items:center;
    gap:8px;
    padding:10px 12px;
    border-radius:10px;
    margin-bottom:12px;
    font-size:13px;
    font-weight:500;
}

.alert i{
    font-size:15px;
}

.alert.success{
    background:#dcfce7;
    color:#166534;
    border:1px solid #86efac;
}

.alert.error{
    background:#fee2e2;
    color:#b91c1c;
    border:1px solid #fca5a5;
}

/* LINK LOGIN */
.register-link{
    text-align:center;
    margin-top:12px;
    font-size:12px;
    color:#64748b;
}

.register-link a{
    color:#2563eb;
    font-weight:600;
    text-decoration:none;
}

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

/* MOBILE */
@media(max-width:480px){

    .register-wrapper{
        max-width:100%;
    }

    .register-box{
        padding:18px;
        border-radius:16px;
    }

    .register-logo img{
        width:140px;
    }

    .register-header h2{
        font-size:20px;
    }

    .input-box input,
    .toggle-password,
    .register-btn{
        height:42px;
    }
}