:root{
  --bg:#ffffff;
  --card:#ffffff;
  --text:#0F172A;
  --muted:#64748B;
  --line:#E2E8F0;
  --brand:#1F4E79;
  --danger:#B91C1C;
  --danger-bg:#FEF2F2;
  --danger-line:#FECACA;
}

*{box-sizing:border-box}
html,body{height:100%}

.auth-body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: var(--bg);
  color: var(--text);
}

.auth-wrap{
  min-height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:28px 16px;
}

.auth-card{
  width:100%;
  max-width:420px;
  background: var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow: 0 14px 34px rgba(15,23,42,.08);
  padding:20px 18px 18px;
}

.auth-brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:6px;
  margin-bottom:14px;
}

.auth-logo{height:36px; width:auto; display:block}

.auth-title{
  font-weight:900;
  font-size:18px;
  letter-spacing:-.2px;
}

.auth-sub{
  color: var(--muted);
  font-weight:600;
  font-size:13px;
}

.auth-error{
  background: var(--danger-bg);
  border:1px solid var(--danger-line);
  color: var(--danger);
  padding:10px 12px;
  border-radius:12px;
  font-weight:800;
  font-size:13px;
  margin:10px 0 14px;
}

.auth-form{display:flex; flex-direction:column; gap:10px}

.auth-label{
  font-weight:800;
  font-size:12px;
  color: var(--muted);
}

.auth-input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  outline:none;
  font-weight:700;
  color: var(--text);
}

.auth-input:focus{
  border-color: rgba(31,78,121,.45);
  box-shadow: 0 0 0 4px rgba(31,78,121,.12);
}

.auth-btn{
  margin-top:8px;
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid transparent;
  background: var(--brand);
  color:#fff;
  font-weight:900;
  cursor:pointer;
}

.auth-btn:hover{filter:brightness(.96)}