body{
    margin:0;
    font-family:Segoe UI,sans-serif;
    background:linear-gradient(135deg,#0f172a,#1e3a8a);
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
}

.login-wrapper{
    width:100%;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:20px;
}

.login-card{
    width:420px;
    background:rgba(255,255,255,.96);
    padding:40px;
    border-radius:24px;
    box-shadow:0 25px 50px rgba(0,0,0,.25);
    animation:fadeUp .5s ease;
}

.login-header{
    text-align:center;
    margin-bottom:30px;
}

.login-header h1{
    margin:0;
    font-size:32px;
    color:#0f172a;
}

.login-header p{
    margin-top:8px;
    color:#64748b;
}

.login-form input{
    width:100%;
    padding:14px 16px;
    margin-bottom:16px;
    border:1px solid #dbe2ea;
    border-radius:12px;
    font-size:15px;
    box-sizing:border-box;
}

.password-box{
    position:relative;
}

.password-box span{
    position:absolute;
    right:14px;
    top:14px;
    cursor:pointer;
    user-select:none;
}

button{
    width:100%;
    padding:15px;
    border:none;
    border-radius:12px;
    background:#2563eb;
    color:#fff;
    font-weight:700;
    font-size:15px;
    cursor:pointer;
    transition:.3s;
}

button:hover{
    background:#1d4ed8;
    transform:translateY(-2px);
}

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