:root{
  --bg:#f6f7f9;
  --surface:#ffffff;
  --ink:#17202a;
  --muted:#667085;
  --line:#d0d5dd;
  --brand:#23395d;
  --danger:#b42318;
  --danger-bg:#ffebe9;
}
*{box-sizing:border-box}
body{
  margin:0;
  min-height:100vh;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,Arial,Helvetica,sans-serif;
  -webkit-font-smoothing:antialiased;
}
.auth-shell{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:24px;
}
.auth-card{
  width:min(100%,420px);
  background:var(--surface);
  border:1px solid #e4e7ec;
  border-radius:8px;
  box-shadow:0 12px 28px rgba(16,24,40,.08);
  padding:28px;
}
.brand-row{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:22px;
}
.brand-row span{
  width:34px;
  height:34px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--brand);
  font-weight:700;
}
.brand-row strong{font-size:16px}
.eyebrow{
  margin:0 0 8px;
  color:var(--muted);
  font-size:13px;
}
h1{
  margin:0;
  font-size:28px;
  line-height:1.2;
}
.subtitle{
  margin:9px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.5;
}
.error{
  margin-top:18px;
  border:1px solid #fecdca;
  border-radius:8px;
  background:var(--danger-bg);
  color:var(--danger);
  padding:10px 12px;
  font-size:14px;
}
.auth-form{
  display:grid;
  gap:14px;
  margin-top:22px;
}
label{
  display:grid;
  gap:7px;
  color:var(--muted);
  font-size:13px;
  font-weight:700;
}
input{
  width:100%;
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  color:var(--ink);
  padding:11px 12px;
  font:inherit;
  outline:none;
}
input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(35,57,93,.12);
}
button{
  min-height:42px;
  border:1px solid var(--brand);
  border-radius:8px;
  background:var(--brand);
  color:#fff;
  font:inherit;
  font-weight:700;
  cursor:pointer;
}
button:hover{background:#1d304f}