*{

    margin:0;
    padding:0;
    box-sizing:border-box;

}

body{

    background:#111827;

    min-height:100vh;

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

    font-family:Arial, sans-serif;

    padding:20px;

}

.login-box{

    width:100%;
    max-width:420px;

}

.login-card{

    background:white;

    padding:40px;

    border-radius:20px;

    box-shadow:0 5px 25px rgba(0,0,0,0.2);

}

.logo{

    text-align:center;

    margin-bottom:20px;

}

.logo i{

    font-size:55px;

    color:#111827;

}

.logo h1{

    margin-top:10px;

    font-size:34px;

    font-weight:bold;

}

.subtitle{

    text-align:center;

    color:gray;

    margin-bottom:30px;

}

.form-control{

    height:50px;

    border-radius:12px;

}

.btn-login{

    width:100%;

    height:50px;

    background:#111827;

    color:white;

    border:none;

    border-radius:12px;

    font-weight:bold;

    transition:0.3s;

}

.btn-login:hover{

    background:black;

}

.bottom-text{

    text-align:center;

    margin-top:20px;

}

.bottom-text a{

    text-decoration:none;

    font-weight:bold;

}

/* Mobile */

@media(max-width:768px){

    .login-card{

        padding:30px 20px;

    }

}