:root{
  --bg:#0b1220;
  --card:#0f1b33;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --primary:#22c55e;
  --danger:#ef4444;
  --warning:#f59e0b;
  --border:rgba(148,163,184,.22);
  --shadow: 0 10px 30px rgba(0,0,0,.25);
  --radius:14px;
  --font: system-ui, -apple-system, "Segoe UI", Tahoma, Arial, sans-serif;
}
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:var(--font);
  background: radial-gradient(1200px 600px at 15% 10%, rgba(34,197,94,.15), transparent 60%),
              radial-gradient(1200px 600px at 80% 20%, rgba(245,158,11,.12), transparent 60%),
              var(--bg);
  color:var(--text);
}
a{ color:inherit; text-decoration:none; }
small{ color:var(--muted); }