:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#1e1e1e;--muted:#6b6b67;--line:#deddd7;--paper:#f6f5f1;--white:#fff}*{box-sizing:border-box}html{background:var(--paper)}body{color:var(--ink);background:var(--paper);margin:0;font-family:Arial,Helvetica,sans-serif}button,input,select{font:inherit}button{cursor:pointer}.page{min-height:100vh;padding:48px 20px 80px}.shell{width:min(1120px,100%);margin:0 auto}.eyebrow{letter-spacing:.14em;margin:0 0 10px;font-size:12px;font-weight:700}h1{letter-spacing:-.04em;max-width:760px;margin:0;font-size:clamp(34px,6vw,66px);font-weight:500;line-height:1.02}.lead{max-width:720px;color:var(--muted);margin:22px 0 34px;font-size:17px;line-height:1.6}.grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:20px;display:grid}.card{border:1px solid var(--line);background:var(--white);border-radius:18px;overflow:hidden}.form{padding:24px}.field{margin-bottom:17px}.field label{margin-bottom:7px;font-size:13px;font-weight:700;display:block}.field input,.field select{border:1px solid var(--line);width:100%;min-height:46px;color:var(--ink);background:#fff;border-radius:10px;padding:0 13px;font-size:16px}.actions{flex-wrap:wrap;gap:10px;display:flex}.primary,.secondary{border-radius:999px;min-height:46px;padding:0 18px;font-weight:700}.primary{color:#fff;background:#1e1e1e;border:1px solid #1e1e1e}.secondary{border:1px solid var(--line);color:var(--ink);background:#fff}.primary:disabled,.secondary:disabled{opacity:.55;cursor:wait}.message{min-height:24px;color:var(--muted);margin:16px 0 0;font-size:13px;line-height:1.5}.message.error{color:#9c2626}.viewer-wrap{background:radial-gradient(circle,#fff 0%,#ecebe5 100%);place-items:center;min-height:600px;display:grid}model-viewer{background:0 0;width:100%;height:600px}.empty{text-align:center;color:var(--muted);padding:40px}.ar-button{color:#fff;background:#1e1e1e;border:0;border-radius:999px;min-width:190px;min-height:46px;padding:0 18px;font-weight:700;position:absolute;bottom:22px;left:50%;transform:translate(-50%);box-shadow:0 10px 26px #0000002e}.note{border:1px solid var(--line);color:var(--muted);background:#ffffffa6;border-radius:14px;margin-top:20px;padding:18px 20px;font-size:14px;line-height:1.55}code{color:var(--ink)}@media (max-width:820px){.page{padding-top:28px}.grid{grid-template-columns:1fr}.viewer-wrap,model-viewer{height:480px;min-height:480px}}