*{
    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:url("../img/bc1.jpg") no-repeat center center fixed;
    background-size:cover;
    position:relative;
}
body::before{
    content:'';
    position:absolute;
    inset:0;
    background:rgba(15,23,42,.75);
    backdrop-filter:blur(3px);
}
.login-container{
    position:relative;
    z-index:10;
    width:100%;
    max-width:430px;
    padding:20px;
}
.login-card{
    background:rgba(255,255,255,.95);
    border-radius:25px;
    padding:40px;
    box-shadow:0 20px 50px rgba(0,0,0,.25);
}
.logo{
    width:90px;
    height:90px;
    margin:auto;
    margin-bottom:20px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:40px;
}
.title{
    text-align:center;
    margin-bottom:8px;
    color:#1e293b;
    font-size:28px;
    font-weight:700;
}
.subtitle{
    text-align:center;
    color:#64748b;
    margin-bottom:30px;
}
.form-group{
    margin-bottom:20px;
}
.form-group label{
    display:block;
    margin-bottom:8px;
    font-size:14px;
    color:#475569;
    font-weight:600;
}
.input-group{
    position:relative;
}
.input-group i{
    position:absolute;
    left:15px;
    top:50%;
    transform:translateY(-50%);
    color:#94a3b8;
}
.form-control{
    width:100%;
    height:50px;
    border:1px solid #dbeafe;
    border-radius:12px;
    padding-left:45px;
    font-size:15px;
    outline:none;
    transition:.3s;
}
.form-control:focus{
    border-color:#2563eb;
    box-shadow:0 0 0 4px rgba(37,99,235,.15);
}
.remember{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:25px;
    font-size:14px;
}
.remember a{
    text-decoration:none;
    color:#2563eb;
}
.btn-login{
    width:100%;
    height:52px;
    border:none;
    border-radius:12px;
    background:linear-gradient(135deg,#2563eb,#1d4ed8);
    color:#fff;
    font-size:16px;
    font-weight:600;
    cursor:pointer;
    transition:.3s;
}
.btn-login:hover{
    transform:translateY(-2px);
    box-shadow:0 10px 20px rgba(37,99,235,.3);
}
.footer-text{
    text-align:center;
    margin-top:25px;
    color:#64748b;
    font-size:14px;
}
.version{
    text-align:center;
    margin-top:10px;
    color:#94a3b8;
    font-size:12px;
}
@media(max-width:480px){
    .login-card{
        padding:30px 25px;
    }
    .title{
        font-size:24px;
    }
}