:root{--bg:#0b0d10;--fg:#e8eaed}body{margin:0;background:var(--bg);color:var(--fg);font-family:Inter,system-ui,sans-serif}
.room{max-width:720px;margin:8vh auto;padding:24px}button{padding:12px 20px;border-radius:8px;border:0;background:#2b6cff;color:#fff;cursor:pointer}