*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:linear-gradient(135deg,#111827,#1e1b4b);
    font-family:Arial,Helvetica,sans-serif;
    min-height:100vh;
}

.login-container{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:20px;
}

.login-box{
    width:100%;
    max-width:430px;
    background:#fff;
    padding:40px 35px;
    border-radius:18px;
    box-shadow:0 20px 60px rgba(0,0,0,.30);
}

.logo{
    margin-bottom:20px;
    text-align:center;
}

.logo img{
    width:110px;
}

.login-box h2{
    font-size:30px;
    font-weight:700;
    color:#111827;
    text-align:center;
    margin-bottom:30px;
}

label{
    font-weight:600;
    color:#374151;
    margin-bottom:8px;
}

.form-control{
    height:52px;
    border-radius:10px;
    border:1px solid #d1d5db;
    box-shadow:none;
    padding:12px 15px;
    transition:.3s;
}

.form-control:focus{
    border-color:#8B5CF6;
    box-shadow:0 0 0 .2rem rgba(139,92,246,.20);
}

.form-check-label{
    font-size:14px;
    color:#555;
}

.forgot{
    text-decoration:none;
    color:#8B5CF6;
    font-size:14px;
    font-weight:600;
}

.forgot:hover{
    color:#7C3AED;
}

.login-btn{
    height:52px;
    background:#8B5CF6;
    color:#fff;
    border:none;
    border-radius:10px;
    font-size:16px;
    font-weight:600;
    transition:.3s;
}

.login-btn:hover{
    background:#7C3AED;
    color:#fff;
    transform:translateY(-2px);
}

.signup-link{
    margin-top:25px;
    text-align:center;
    color:#6b7280;
}

.signup-link a{
    color:#8B5CF6;
    text-decoration:none;
    font-weight:700;
}

.signup-link a:hover{
    color:#7C3AED;
}

@media(max-width:576px){

.login-box{
    padding:30px 25px;
}

.login-box h2{
    font-size:26px;
}

.logo img{
    width:90px;
}

.form-control{
    height:48px;
}

.login-btn{
    height:48px;
}

}