.qr-game-box { max-width: 420px; padding: 14px; border: 1px solid #ddd; border-radius: 10px; }
.qr-game-video { width: 100%; max-width: 420px; border-radius: 10px; background: #000; }
.qr-game-hint { font-size: 12px; opacity: .75; margin-top: 8px; }

#qr-game-notification {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  background: rgba(255,255,255,0.97);
  padding: 18px 20px;
  border: 2px solid #ccc;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
  z-index: 99999;
  display: none;
  text-align: center;
  font-size: 18px;
  border-radius: 12px;
  max-width: 90vw;
}

.qr-ok { color: #0a7a1f; font-weight: 700; }
.qr-err { color: #b10000; font-weight: 700; }
.qr-final { color: #0a4da8; font-weight: 800; }

#staff-video {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3; /* Standardowa proporcja sensora */
    object-fit: cover;
    border-radius: 0;
}