body { padding: 0; margin: 0 }
#unityContainer { position: fixed; width: 100%; height: 100%; }
#unity-canvas { width: 100%; height: 100%; background: #FFFFFF }
#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none; text-align: center; animation: fadeIn 0.5s ease-in; }
#unity-progress-bar-empty { margin-left: auto; margin-right: auto; width: 200px; height: 8px; margin-top: 20px; background: rgba(255,255,255,0.3); border-radius: 4px; }
#unity-progress-bar-full { width: 0%; height: 8px; margin-top: 0px; background: linear-gradient(90deg, #ffb2b2, #ffffff); border-radius: 4px; transition: width 0.3s ease; position: relative; }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }

@keyframes fadeIn {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}