body.auth-body{
  min-height:100vh; margin:0; display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(circle at 15% 20%, rgba(14,165,163,.35), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(245,158,11,.25), transparent 40%),
    var(--grad-brand);
  font-family:var(--font-ui);
  padding:20px;
}
.auth-card{
  width:100%; max-width:400px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  border:1px solid rgba(255,255,255,.5);
  border-radius:24px;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.35);
  padding:38px 34px;
  animation:auth-in .5s cubic-bezier(.22,1,.36,1);
}
@keyframes auth-in{from{opacity:0; transform:translateY(16px) scale(.98);} to{opacity:1; transform:translateY(0) scale(1);}}
.auth-logo{
  width:52px;height:52px;border-radius:16px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;
  margin-bottom:18px; box-shadow:var(--shadow-md);
}
.auth-title{font-family:var(--font-display); font-size:24px; font-weight:800; margin-bottom:4px;}
.auth-sub{color:var(--text-dim); font-size:14px; margin-bottom:26px;}
.auth-footer-link{text-align:center; margin-top:18px; font-size:13.5px; color:var(--text-dim);}
.auth-error{
  background:rgba(225,29,72,.1); color:var(--danger); border:1px solid rgba(225,29,72,.25);
  padding:10px 14px; border-radius:12px; font-size:13.5px; margin-bottom:16px;
}
.auth-success{
  background:rgba(22,163,74,.1); color:var(--success); border:1px solid rgba(22,163,74,.25);
  padding:10px 14px; border-radius:12px; font-size:13.5px; margin-bottom:16px;
}
.remember-row{display:flex; align-items:center; justify-content:space-between; margin:-4px 0 18px;}
.remember-row label{display:flex; align-items:center; gap:7px; font-size:13.5px; color:var(--text-dim); cursor:pointer;}