:root{
  --bg:#0b0f17; --card:#121a27; --text:#e9eef7; --muted:#9fb0c7;
  --border: rgba(255,255,255,.10); --accent:#4da3ff;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
a{color:var(--muted)}
.wrap{max-width:1100px;margin:0 auto;padding:18px}
.card{
  background:var(--card);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:14px;
}