html, body { padding: 0; margin: 0; overflow: hidden; width: 100vw; height: 100vh; height: 100dvh; position: fixed; top: 0; left: 0; touch-action: none; -webkit-overflow-scrolling: none; background: #000; }
#unity-container { position: fixed; top: 0; left: 0; right: 0; bottom: 0; width: 100vw; height: 100vh; height: 100dvh; }
#unity-canvas { width: 100%; height: 100%; background: #FFFFFF; display: block; }
#unity-loading-bar { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: none }
#unity-logo { width: 154px; height: 130px; background: url('unity-logo-dark.png') no-repeat center }
#unity-progress-bar-empty { margin-left: auto; margin-right: auto; width: 141px; height: 18px; margin-top: 10px; background: url('progress-bar-empty-dark.png') no-repeat center }
#unity-progress-bar-full { width: 0%; height: 18px; margin-top: 10px; background: url('progress-bar-full-dark.png') no-repeat center }
#unity-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }

/* iOS Add to Home Screen prompt */
#ios-prompt { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 9999; }
#ios-prompt-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); }
#ios-prompt-box { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); background: #1a1a2e; color: #fff; border-radius: 16px; padding: 20px 24px; text-align: center; width: 85%; max-width: 340px; font-family: -apple-system, BlinkMacSystemFont, sans-serif; font-size: 15px; box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
#ios-prompt-box p { margin: 8px 0; line-height: 1.4; }
#ios-prompt-close { margin-top: 12px; background: #4a6cf7; color: #fff; border: none; border-radius: 10px; padding: 10px 32px; font-size: 16px; font-weight: 600; cursor: pointer; -webkit-tap-highlight-color: transparent; }