*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#07070d; --panel:#0e0e17; --border:rgba(255,255,255,.08);
  --text:#f3f1ff; --muted:#9291a6; --accent:#b3a1ff; --accent-ink:#171130; --red:#ff7a7a;
  --radius:18px;
}
body{
  font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;
  display:grid;place-items:center;padding:24px;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;
  background:radial-gradient(720px 300px at 50% -120px,rgba(140,120,255,.22),transparent 65%);
}
.login-shell{position:relative;z-index:1;width:100%;max-width:400px}
.login-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px 28px 28px;text-align:center;box-shadow:0 24px 80px rgba(0,0,0,.45);
}
.login-brand{display:flex;justify-content:center;margin-bottom:16px}
.logo{
  width:44px;height:44px;border:1px solid var(--border);border-radius:12px;
  display:grid;grid-template-columns:1fr 1fr;place-items:center;padding:10px;gap:3px;
}
.logo span{width:6px;height:6px;border-radius:50%;background:#fff}
h1{font-size:22px;letter-spacing:-.02em;font-weight:700}
.login-sub{color:var(--muted);font-size:13px;margin:8px 0 24px;line-height:1.5}
.field{display:block;text-align:left;margin-bottom:16px}
.field span{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:8px}
.field input{
  width:100%;border:1px solid var(--border);background:#0a0a13;border-radius:12px;
  padding:12px 14px;font-size:15px;color:var(--text);outline:none;transition:.15s;
}
.field input:focus{border-color:rgba(179,161,255,.45);box-shadow:0 0 0 3px rgba(179,161,255,.12)}
.btn{
  width:100%;border:none;border-radius:999px;padding:12px 16px;font-size:14px;font-weight:650;
  cursor:pointer;transition:.18s;
}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-primary:disabled{opacity:.55;cursor:not-allowed}
.login-error{
  color:var(--red);font-size:13px;margin:-4px 0 12px;text-align:left;line-height:1.45;
}