*{box-sizing:border-box}
html,body{height:100%}
body{
    margin:0;
    min-height:100vh;
    font-family:Arial,Helvetica,sans-serif;
    background:
        radial-gradient(circle at top left, rgba(255,255,255,.16), transparent 32%),
        linear-gradient(135deg,#680000 0%,#b40000 45%,#111827 100%);
    display:flex;
    align-items:center;
    justify-content:center;
    padding:24px;
    color:#111827;
}
.login-wrap{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:center;
}
.box{
    width:100%;
    max-width:430px;
    background:#fff;
    border-radius:26px;
    padding:34px 30px;
    box-shadow:0 26px 80px rgba(0,0,0,.30);
}
.logo-area{text-align:center;margin-bottom:26px}
.logo-circle{
    width:64px;
    height:64px;
    border-radius:20px;
    background:#b40000;
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:900;
    font-size:20px;
    margin:0 auto 16px;
    box-shadow:0 12px 28px rgba(180,0,0,.28);
}
.logo-title{
    margin:0;
    font-size:34px;
    line-height:1.1;
    font-weight:900;
    letter-spacing:-.8px;
}
.logo-sub{
    margin-top:9px;
    color:#6b7280;
    font-size:15px;
}
.field{margin-bottom:16px}
.field label{
    display:block;
    margin-bottom:8px;
    font-weight:800;
    color:#374151;
}
.field input{
    width:100%;
    height:50px;
    border:1px solid #d1d5db;
    border-radius:15px;
    padding:0 15px;
    font-size:16px;
    outline:none;
    background:#fff;
}
.field input:focus{
    border-color:#b40000;
    box-shadow:0 0 0 4px rgba(180,0,0,.12);
}
button[type="submit"]{
    width:100%;
    height:52px;
    border:0;
    border-radius:15px;
    background:#b40000;
    color:#fff;
    font-size:16px;
    font-weight:900;
    cursor:pointer;
    margin-top:6px;
}
button[type="submit"]:hover{background:#900000}
.small{
    text-align:center;
    margin-top:20px;
    color:#6b7280;
    font-size:13px;
}
.alert,.error{
    background:#fee2e2;
    color:#991b1b;
    border-radius:14px;
    padding:12px 14px;
    margin-bottom:16px;
    font-size:14px;
}
@media(max-width:480px){
    body{padding:16px}
    .box{padding:28px 22px;border-radius:22px}
    .logo-title{font-size:30px}
}