@import "https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700&family=Inter:wght@400;500;600;700&display=swap";:root{color:#17272b;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--green:#193f36;--copper:#d37855;--muted:#7b858d;--line:#e6ebec;background:#fff;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button{color:inherit}button:focus-visible,input:focus-visible{outline:2px solid var(--copper);outline-offset:4px}h1,h2,h3,p{margin:0}svg{flex-shrink:0}button{transition:background .14s,border-color .14s,box-shadow .14s}button:hover:not(:disabled){filter:brightness(.97)}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-header{background:#fff;border:1px solid #e0e6e7;justify-content:space-between;align-items:center;gap:24px;height:78px;padding:0 24px 0 28px;display:flex}.brand{white-space:nowrap;align-items:center;gap:8px;display:flex}.brand-mark{width:38px;height:38px;margin-right:15px}.brand-name{letter-spacing:.5px;color:#163a32;font-family:Barlow Condensed,Inter,sans-serif;font-size:26px;font-weight:700}.brand-name span{padding:0 5px;font-family:Inter,sans-serif;font-size:22px;font-weight:400}.brand-subtitle{letter-spacing:.15px;font-size:16px;font-weight:600}.header-actions{align-items:center;gap:18px;display:flex}.button{white-space:nowrap;background:#fff;border:1px solid #8b979d;border-radius:5px;justify-content:center;align-items:center;gap:13px;min-height:42px;padding:0 22px;font-size:14px;font-weight:500;display:inline-flex}.button.primary{border-color:var(--green);background:var(--green);color:#fff;min-width:167px}.button.small{border-color:#6c8c83;min-height:37px;padding:0 23px;font-size:13px}.text-button{color:var(--green);background:0 0;border:0;justify-content:center;align-items:center;gap:12px;padding:7px 0;font-size:13px;display:flex}.workspace{grid-template-columns:minmax(245px,19%) minmax(0,1fr) minmax(285px,20.7%);min-height:calc(100svh - 78px);display:grid}.panel-rail{border-right:1px solid var(--line);z-index:1;background:#fff;padding:23px 18px 18px;position:relative}.rail-heading{padding:0 5px 14px}.rail-heading h2,.texture-inspector h2{font-size:20px;font-weight:600;line-height:1.45}.rail-heading p{color:#77818a;margin-top:6px;font-size:14px;line-height:1.5}.panel-list{flex-direction:column;display:flex}.panel-option{border:0;border-bottom:1px solid var(--line);text-align:left;background:#fff;border-radius:0;align-items:center;gap:15px;width:100%;min-height:clamp(68px,8.4vh,84px);padding:9px 10px;font-size:15px;font-weight:500;display:flex;position:relative}.panel-option.selected{background:#e8f2ee;border-bottom-color:#0000;border-radius:4px}.panel-option.selected:before{content:"";background:var(--copper);border-radius:4px 0 0 4px;width:4px;position:absolute;inset:0 auto 0 0}.panel-option>svg{color:#3b5e57;margin-left:auto}.panel-thumb{background:#e9eded;border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;width:clamp(76px,6.5vw,104px);height:62px;display:flex;overflow:hidden}.panel-thumb img{object-fit:cover;width:100%;height:100%}.upload-zone{border:1px dashed #cbd5d9;border-radius:6px;flex-direction:column;justify-content:center;align-items:center;min-height:252px;margin:20px 2px 0;padding:22px 10px 16px;transition:background .15s;display:flex}.upload-zone>svg{color:#69777e;margin-bottom:16px}.upload-zone h3{text-align:center;font-size:15px;font-weight:500;line-height:1.5}.upload-zone p{color:var(--muted);margin:5px 0 19px;font-size:12px;line-height:1.6}.template-download{text-underline-offset:3px;margin-top:16px;text-decoration:underline}.upload-zone.dragging{border-color:var(--green);background:#e8f2ee}.upload-zone.is-busy{background:#f6f8f7}.privacy-note{color:var(--muted);justify-content:center;align-items:center;gap:9px;margin-top:21px;font-size:12px;line-height:1.6;display:flex}.template-note{text-align:center;color:#9ba3a7;margin-top:10px;font-size:10px;line-height:1.8}.model-viewport{background:#e5e9e9;min-height:740px;position:relative;overflow:hidden}.canvas-host{position:absolute;inset:0}.canvas-host canvas{touch-action:none;width:100%;height:100%;display:block}.viewport-heading{pointer-events:none;position:absolute;top:24px;left:28px}.viewport-heading h1{letter-spacing:.2px;font-size:21px;font-weight:600;line-height:1.5}.viewport-heading p{color:#899299;margin-top:3px;font-size:13px;line-height:1.6}.camera-toolbar{white-space:nowrap;background:#ffffffed;border:1px solid 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24px;font-size:14px;line-height:1.6;position:absolute;top:47%;left:50%;transform:translate(-50%,-50%);box-shadow:0 7px 28px #263e3b14}.texture-inspector{border-left:1px solid var(--line);background:#fff;padding:23px 20px 22px}.texture-inspector>h2{margin:0 1px 20px}.texture-preview{background:#f1f3f3;border:1px solid #dbe2e4;border-radius:5px;width:100%;height:clamp(130px,17vh,171px);padding:0;display:block;overflow:hidden}.texture-preview img{object-fit:contain;width:100%;height:100%;display:block}.texture-file{color:#737e89;justify-content:space-between;align-items:center;gap:9px;margin:10px 1px 9px;font-size:13px;line-height:1.7;display:flex}.texture-file>span:first-child{white-space:nowrap;text-overflow:ellipsis;max-width:82%;overflow:hidden}.file-format{letter-spacing:.2px;white-space:nowrap;font-size:10px}.inspector-section{border-bottom:1px solid var(--line);padding:18px 2px}.inspector-section 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