*{

    margin:0;

    padding:0;

    box-sizing:border-box;

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

}

body{

    height:100vh;

    display:flex;

    justify-content:center;

    align-items:center;

    background:linear-gradient(
        135deg,
        #9d1b1e,
        #d32f2f,
        #f5f5f5
    );

}

.login-card{

    width:420px;

    background:white;

    border-radius:15px;

    padding:40px;

    box-shadow:0 15px 40px rgba(0,0,0,.25);

    animation:fade .5s;

}

@keyframes fade{

from{

opacity:0;

transform:translateY(25px);

}

to{

opacity:1;

transform:translateY(0);

}

}

.logo{

    text-align:center;

    font-size:34px;

    color:#B71C1C;

    font-weight:bold;

}

.subtitle{

    text-align:center;

    margin-top:8px;

    margin-bottom:30px;

    color:#666;

}

input{

    width:100%;

    padding:13px;

    border:1px solid #ddd;

    border-radius:8px;

    margin-bottom:18px;

    font-size:15px;

}

input:focus{

    outline:none;

    border:1px solid #B71C1C;

}

button{

    width:100%;

    padding:14px;

    background:#B71C1C;

    color:white;

    border:none;

    border-radius:8px;

    font-size:16px;

    cursor:pointer;

    transition:.3s;

}

button:hover{

    background:#911617;

}

.footer{

    margin-top:25px;

    text-align:center;

    font-size:13px;

    color:#777;

}

.error{

    color:#c62828;

    text-align:center;

    margin-bottom:15px;

    font-weight:600;

}