*{box-sizing:border-box}:root{--pt-bg-1:#08111f;--pt-bg-2:#101827;--pt-bg-3:#090b12;--pt-blue:#2f80ed;--pt-blue-hover:#438fff;--pt-cyan:#59ffd2;--pt-cyan-hover:#7affdf;--pt-text:#f7fbff;--pt-muted:#9fb0c7;--pt-muted-2:#b9c8dc;--pt-panel:#09111fe0;--pt-panel-strong:#09111ff5;--pt-field:#ffffff0e;--pt-field-hover:#59ffd212;--pt-border:#ffffff21;--pt-border-soft:#ffffff14;--pt-border-cyan:#59ffd247;--pt-shadow:0 24px 70px #00000038;--pt-radius-sm:10px;--pt-radius-md:14px;--pt-radius-lg:18px;--pt-radius-xl:30px}body{min-height:100vh;color:var(--pt-text);background:radial-gradient(circle at 18% 10%, #2f80ed57, transparent 34rem), radial-gradient(circle at 82% 4%, #59ffd22e, transparent 32rem), linear-gradient(135deg, var(--pt-bg-1) 0%, var(--pt-bg-2) 55%, var(--pt-bg-3) 100%);margin:0;font-family:Arial,Helvetica,sans-serif}#app{background:radial-gradient(circle at 20% 8%, #2f80ed3d, transparent 36rem), radial-gradient(circle at 78% 4%, #59ffd21f, transparent 34rem), linear-gradient(135deg, var(--pt-bg-1) 0%, var(--pt-bg-2) 55%, var(--pt-bg-3) 100%);grid-template-columns:1fr 560px;width:100vw;height:100vh;display:grid}#viewerPanel{background:radial-gradient(circle at 24% 18%,#2f80ed42,#0000 34rem),radial-gradient(circle at 72% 10%,#59ffd21c,#0000 32rem),linear-gradient(135deg,#08111ffa,#090b12fa);min-width:0;position:relative;overflow:hidden}#threeCanvas{width:100%;height:100%;display:block}#settingsPanel{background:linear-gradient(145deg,#ffffff12,#ffffff06),#09111ff0;border-left:1px solid #ffffff1c;padding:20px;overflow-y:auto;box-shadow:-24px 0 80px #00000047}#settingsPanel h1{color:var(--pt-text);letter-spacing:-.045em;margin:0 0 4px;font-size:28px;line-height:1}h2{margin:24px 0 0;font-size:18px}.appSubtitle{color:var(--pt-muted-2);margin:0 0 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button+button{margin-top:10px}button,.printServiceButton{cursor:pointer;border:0;border-radius:999px;font-weight:900}button{width:100%;padding:12px}button:not(:disabled),.printServiceButton{background:linear-gradient(135deg, var(--pt-blue), var(--pt-cyan));color:#07111f}button:not(:disabled):hover,.printServiceButton:hover{filter:brightness(1.08);background:linear-gradient(135deg, var(--pt-blue-hover), var(--pt-cyan-hover))}button:disabled{cursor:not-allowed;color:#8fa0b8;border:1px solid var(--pt-border-soft);opacity:.75;background:#ffffff17}.printServiceButton{text-align:center;width:100%;padding:10px 12px;text-decoration:none;display:block}.demo-download-button{margin-top:10px}.demo-download-button:not(:disabled){color:#fff;background:linear-gradient(135deg,#6f4aa8,#2f80edeb)}pre{border:1px solid 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