:root{font-family:Arial,Helvetica,sans-serif;color:#202b39;background:#fafbfc;font-synthesis:none;--accent:#2261c4;--muted:#647282;--line:#dce3ec}*{box-sizing:border-box}body{margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}a{color:inherit;text-decoration:none}button{border:1px solid var(--line);border-radius:8px;background:#fff;color:inherit;padding:9px 13px}button:hover:not(:disabled){background:#edf3fb}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #79a4ea;outline-offset:3px}[hidden]{display:none!important}.demo-header{height:78px;padding:0 36px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fff}.brand{display:flex;align-items:baseline;gap:14px;font-size:25px;font-weight:700;letter-spacing:-1px}.brand span{font-size:11px;letter-spacing:1.2px;color:var(--muted);font-weight:500}.demo-header nav{display:flex;align-items:center;gap:24px;font-size:13px}.quiet{background:transparent}.demo-layout{max-width:1600px;margin:0 auto;display:grid;grid-template-columns:minmax(330px,420px) minmax(0,1fr);gap:36px;padding:36px}.intro{margin-bottom:28px}.eyebrow{font-size:10px;letter-spacing:1.5px;font-weight:700;color:var(--accent)}h1{font-size:36px;line-height:1.08;letter-spacing:-1.5px;margin:13px 0}p{line-height:1.5;font-size:14px;margin:8px 0;color:var(--muted)}h2{font-size:16px;display:flex;gap:10px;align-items:center;margin:0 0 16px;font-weight:600}.step{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border:1px solid #c5d3e4;border-radius:50%;font-size:12px;font-weight:600;color:var(--accent);flex-shrink:0}.phone-pair{display:flex;gap:18px;align-items:center;padding:14px;background:#fff;border:1px solid var(--line);border-radius:12px}.phone-pair canvas{width:112px;height:112px;flex-shrink:0}.phone-pair strong{font-size:14px}.phone-pair p{font-size:12px;max-width:230px}.text-button{padding:0;background:transparent;border:0;border-radius:3px;color:var(--accent);font-size:12px;text-decoration:underline;text-underline-offset:3px}.phone-pair .text-button{margin-right:10px;margin-top:4px}.text-button:hover:not(:disabled){background:transparent;color:#17458d}.or-label{font-size:11px;margin:16px 0 10px}.photos{display:grid;grid-template-columns:1fr 1fr;gap:12px}.photo-card{min-width:0}.photo-pick{aspect-ratio:1.2;display:flex;position:relative;align-items:center;justify-content:center;background:#f0f4f9;border:1px dashed #aebed3;border-radius:10px;overflow:hidden;cursor:pointer}.photo-label{position:absolute;z-index:1;left:8px;top:8px;background:#fffffff0;padding:4px 7px;border-radius:5px;font-size:10px}.empty-photo{display:flex;align-items:center;gap:8px;flex-direction:column;font-size:12px;color:#607b9d;margin-top:15px}.photo-pick img{width:100%;height:100%;object-fit:cover}.photo-pick input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.photo-pick:focus-within{outline:3px solid #79a4ea;outline-offset:2px}.fit-option{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted);margin-top:8px}.fit-option input{accent-color:var(--accent)}.small{font-size:11px}.error{color:#ad2936;font-size:12px;min-height:0}.error:empty{display:none}.print-section{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.primary{background:var(--accent);border-color:var(--accent);color:#fff}.primary:hover:not(:disabled){background:#194eaa}.download{width:100%;font-size:15px;font-weight:600;padding:15px 18px;display:flex;justify-content:space-between;align-items:center}.download span{font-size:21px;font-weight:400}.print-meta{display:flex;justify-content:space-between;gap:10px;font-size:10px;color:var(--muted);margin:10px 0 12px}.preview{min-width:0;position:sticky;top:24px;align-self:start;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}.preview-heading{height:63px;display:flex;align-items:center;justify-content:space-between;padding:0 22px}.preview-heading h2{margin:0}.preview-heading button{font-size:11px;padding:6px 10px}#viewer{height:clamp(340px,52vh,650px);position:relative;background:#e9edf1}#canvas-host{position:absolute;inset:0}canvas{display:block}#canvas-host canvas{touch-action:none;cursor:ew-resize}.model-tag{position:absolute;left:22px;top:20px;font-size:10px;letter-spacing:1.2px;color:#637286;pointer-events:none}.model-tag span{display:block;margin-top:7px;letter-spacing:0;font-size:11px}.view-hint{position:absolute;bottom:18px;width:100%;text-align:center;font-size:10px;color:#748294;pointer-events:none}#model-error{position:absolute;inset:40% 20px auto;background:#fff;padding:20px;border-radius:12px;font-size:14px}.simulation{padding:20px 24px}.simulation-top{display:flex;align-items:center;gap:18px;font-size:12px}.play{min-width:90px;font-size:12px}.travel{margin-left:auto;font-size:11px;color:var(--muted)}.timeline{display:flex;align-items:center;gap:14px;margin:18px 0 12px}.timeline button{width:34px;height:34px;padding:0;border-radius:50%;font-size:12px}.timeline input{flex:1;min-width:0;accent-color:var(--accent)}.preview-note{font-size:10px;text-align:center;margin-bottom:0;color:#7b8695}footer{padding:15px 36px 24px;font-size:11px;color:#738093;display:flex;justify-content:space-between}.phone-main{max-width:500px;padding:36px 24px;margin:0 auto}.phone-main h1{font-size:34px}.phone-main>.photos{margin:22px 0}.connection-status{border-left:3px solid #8eacd4;padding:8px 12px;background:#edf3fb;font-size:13px;margin-top:22px}.phone-main .download{margin-top:24px}.phone-main progress{width:100%;margin-top:15px;accent-color:var(--accent)}.phone-main .small{margin-top:22px}.phone-main .photo-pick{min-height:155px}.phone-main #send-status{color:#245994}.phone-main .fit-option{font-size:12px}@media(min-width:1450px){.demo-layout{grid-template-columns:440px minmax(0,1fr);gap:50px;padding-top:45px}}@media(max-width:900px){.demo-header{padding:0 22px}.demo-layout{padding:24px;gap:24px;grid-template-columns:310px minmax(0,1fr)}h1{font-size:30px}.phone-pair{gap:12px;padding:10px}.phone-pair canvas{width:96px;height:96px}.view-hint{max-width:220px;left:50%;transform:translate(-50%);line-height:1.5}.simulation{padding:16px}.simulation-top{gap:8px}.travel{font-size:10px}.preview-heading{padding:0 14px}.wide-only{display:none}}@media(max-width:700px){.demo-header{height:66px;padding:0 18px}.brand{font-size:22px;gap:10px}.brand span{font-size:9px}.demo-header nav{gap:10px}.demo-header nav a{display:none}.demo-layout{display:flex;flex-direction:column;padding:24px 18px}.intro{margin-bottom:22px}h1{font-size:34px}.preview{position:relative;top:auto;order:2;width:100%}.setup{display:contents}.intro{order:0}.setup>section:first-of-type{order:1}.print-section{order:3;margin-top:0}#viewer{height:350px}.view-hint{max-width:none;width:100%;font-size:9px}.phone-pair canvas{width:112px;height:112px}.phone-pair p{max-width:none}footer{padding:15px 18px}footer span{display:none}.print-meta{font-size:11px}.photo-pick{max-height:210px}.demo-header .quiet{font-size:11px}.phone-main{padding-top:30px}}#qr{width:112px!important;height:112px!important}@media(min-width:701px)and (max-height:850px){.demo-header{height:62px}.demo-layout{padding-top:24px;gap:28px}.intro{margin-bottom:20px}.intro h1{font-size:30px}.intro p{font-size:13px}.photo-pick{max-height:130px}.phone-pair{padding:10px}.or-label{margin:12px 0 8px}.print-section{margin-top:16px;padding-top:16px}.print-section h2{margin-bottom:12px}.intro h1 br{display:none}}#upload-link{display:grid;place-items:center;width:112px;height:112px;flex-shrink:0;border-radius:6px}.phone-pair:has(#qr[hidden]) #upload-link:after{content:"↗";font-size:32px;color:#8ba6c9}.photo-pick{width:100%}.photo-pick img{object-fit:contain}