body{margin:0;padding:0;overflow:hidden;display:flex;justify-content:center;align-items:center;min-height:100vh;background:#000}canvas{display:block;max-width:100vw;max-height:100vh;object-fit:contain}#progress-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000;display:flex;justify-content:center;align-items:center;z-index:9999;transition:opacity 0.5s ease-out}#progress-overlay.semi-transparent{background:rgba(0, 0, 0, 0.75)}#progress-overlay.hidden{opacity:0;pointer-events:none}#progress-content{font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;color:rgba(255, 255, 255, 0.7)}#progress-text{font-size:14px;margin-bottom:8px;font-weight:400;text-align:center}#progress-bar-container{width:200px;height:2px;background:rgba(255, 255, 255, 0.2);overflow:hidden;margin:0 auto}#progress-bar{height:100%;background:rgba(255, 255, 255, 0.8);width:0%;transition:width 0.3s ease-out}#progress-percent{display:none}