body{color:#e2e8f0;background:#0f172a;justify-content:center;align-items:center;gap:32px;min-height:100vh;margin:0;font-family:system-ui,sans-serif;display:flex}#join-overlay{text-align:center}#join-url{color:#4ade80;font-size:1.1rem;font-weight:700}#join-qr{background:#fff;border-radius:8px;padding:8px}#game canvas{border-radius:8px}