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

body{

    min-height:100vh;

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

    background:
    linear-gradient(
    135deg,
    #020817,
    #07111f,
    #102033);

    overflow:hidden;
}

.background{

    position:fixed;

    inset:0;

    background-image:

    radial-gradient(
    circle at center,
    rgba(15,118,110,.20),
    transparent 60%);

    z-index:1;
}

.login-card{

    position:relative;

    z-index:2;

    width:450px;

    padding:40px;

    border-radius:30px;

    background:

    rgba(6,16,29,.95);

    border:2px solid #d4af37;

    box-shadow:

    0 0 40px rgba(212,175,55,.25);

    text-align:center;
}

.logo{

    max-width: 240px;
    margin-bottom:20px;
    border:2px solid #c5d95c;
    border-radius:30px;
}

h1{

    color:#d4af37;

    font-size:60px;

    letter-spacing:4px;
}

.subtitulo{

    color:#d4af37;

    margin-bottom:30px;

    font-size:18px;
}

.input-group{

    position:relative;

    margin-bottom:20px;
}

.input-group i{

    position:absolute;

    left:15px;
    top:16px;

    color:#d4af37;
}

.input-group input{

    width:100%;

    background:#081222;

    border:1px solid #d4af37;

    color:white;

    padding:15px 45px;

    border-radius:15px;

    font-size:16px;
}

.input-group input:focus{

    outline:none;

    border-color:#0f766e;

    box-shadow:
    0 0 15px rgba(15,118,110,.5);
}

.toggle-password{

    position:absolute;

    right:15px;
    top:16px;

    color:#d4af37;

    cursor:pointer;
}

.btn-login{

    width:100%;

    border:none;

    padding:16px;

    border-radius:15px;

    cursor:pointer;

    font-size:20px;

    font-weight:bold;

    color:#fff;

    background:

    linear-gradient(
    135deg,
    #0f766e,
    #0ea5a4);

    transition:.3s;
}

.btn-login:hover{

    transform:translateY(-2px);

    box-shadow:
    0 0 25px rgba(15,118,110,.5);
}

.alerta{

    margin-bottom:15px;

    padding:12px;

    border-radius:10px;

    background:#7f1d1d;

    color:white;
}

.footer-login{

    margin-top:25px;

    color:#0ea5a4;

    font-size:13px;

    letter-spacing:2px;
}