/* Full-screen scoreboard page. */
html, body { margin: 0; height: 100%; background: #000; overflow: hidden; }
#board { width: 100vw; height: 100vh; }
.waiting {
  position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #777; font: 24px/1.4 system-ui, sans-serif; text-align: center; padding: 24px;
  background: #000;
}
.hint { position: fixed; right: 12px; bottom: 8px; color: #444; font: 12px system-ui, sans-serif; }