:root{
  --login-dark:#0f1630;
  --login-blue:#273a8c;
  --login-cyan:#19a9df;
  --login-text:#192236;
  --login-muted:#7b8495;
}
*{box-sizing:border-box}
body{
  margin:0;
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:18px;
  background:#eef2f7;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
.login-shell{
  width:min(1100px,100%);
  min-height:600px;
  display:grid;
  grid-template-columns:40% 60%;
  border-radius:24px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 25px 80px rgba(17,26,51,.16);
}
.login-brand{
  position:relative;
  overflow:hidden;
  padding:34px;
  color:#fff;
  background:
    radial-gradient(circle at 80% 20%,rgba(55,112,255,.18),transparent 28%),
    radial-gradient(circle at 25% 55%,rgba(24,169,223,.16),transparent 24%),
    linear-gradient(145deg,#10162d,#121a37 55%,#192458);
}
.login-brand::before,
.login-brand::after{
  content:"";
  position:absolute;
  border:1px solid rgba(255,255,255,.08);
  border-radius:50%;
}
.login-brand::before{
  width:520px;height:220px;left:-240px;top:120px;transform:rotate(-8deg)
}
.login-brand::after{
  width:600px;height:250px;left:-170px;top:250px;transform:rotate(8deg)
}

/* FIX 5.6.1:
   o logo original tem áreas escuras/azuis e perdia leitura no fundo escuro.
   Agora ele fica dentro de uma placa branca elegante, sem alterar a marca. */
.login-brand > img{
  position:relative;
  z-index:3;
  display:block;
  width:auto;
  max-width:225px;
  max-height:62px;
  object-fit:contain;
  padding:9px 14px;
  background:#fff;
  border-radius:12px;
  box-shadow:0 9px 25px rgba(0,0,0,.15);
  filter:none;
}
.login-brand-copy{
  position:absolute;
  z-index:2;
  left:38px;
  right:38px;
  bottom:42px;
}
.login-brand-copy small{
  display:block;
  color:#a9b6ce;
  font-size:10px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:16px;
}
.login-brand-copy h2{
  margin:0;
  font-size:42px;
  line-height:1.05;
  letter-spacing:-.035em;
}
.login-brand-copy h2 span{color:#54c8f2}
.login-form-side{
  position:relative;
  padding:58px clamp(34px,8vw,92px);
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.login-label{
  color:#3f6bd9;
  font-size:11px;
  font-weight:900;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.login-form-side h1{
  margin:8px 0 6px;
  color:var(--login-text);
  font-size:30px;
  letter-spacing:-.025em;
}
.login-form-side>p{
  margin:0 0 28px;
  color:var(--login-muted);
  font-size:13px;
}
.login-field{margin-bottom:16px}
.login-field label{
  display:block;
  font-size:11px;
  color:#445065;
  margin-bottom:7px;
}
.login-field input{
  width:100%;
  height:46px;
  border:1px solid #d9e0ea;
  border-radius:9px;
  padding:0 13px;
  outline:none;
  font-size:13px;
}
.login-field input:focus{
  border-color:#5d88f0;
  box-shadow:0 0 0 3px rgba(58,108,226,.08);
}
.login-error{
  background:#fff0f0;
  border:1px solid #f2c9c9;
  color:#a63c3c;
  padding:10px 12px;
  border-radius:9px;
  font-size:12px;
  margin-bottom:14px;
}
.login-submit{
  width:100%;
  height:46px;
  border:0;
  border-radius:10px;
  color:#fff;
  font-weight:800;
  cursor:pointer;
  background:linear-gradient(135deg,#2346cc,#2a62ed);
  box-shadow:0 10px 24px rgba(35,70,204,.18);
}
.login-bottom{
  margin-top:18px;
  text-align:center;
  color:#8993a5;
  font-size:11px;
}
.login-bottom a{color:#456bd3;text-decoration:none}
@media(max-width:780px){
  .login-shell{grid-template-columns:1fr}
  .login-brand{min-height:245px}
  .login-brand-copy{bottom:28px}
  .login-brand-copy h2{font-size:31px}
  .login-form-side{padding:36px 26px}
}