:root{color-scheme:light;--bg:#f7f7f4;--panel:#ffffff;--panel-2:#efefea;--text:#20201d;--muted:#6c6a63;--line:#d9d8d1;--accent:#2f6f73;--accent-2:#c65d3a;--danger:#9e2f24}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}.app-shell{display:grid;grid-template-rows:58px minmax(0,1fr);height:100vh;min-height:720px}.login-shell{display:grid;min-height:100vh;place-items:center;background:var(--bg);padding:24px}.login-panel{display:grid;width:min(420px,100%);grid-gap:22px;gap:22px;border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:24px}.login-panel h1{margin:0 0 6px;font-size:26px}.login-panel p{margin:0;color:var(--muted)}.login-form{display:grid;grid-gap:12px;gap:12px}.check-field{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.login-error{border-left:3px solid var(--danger);background:#fff0ee;color:var(--danger);padding:8px 10px;font-size:13px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);background:#fbfbf8;padding:0 18px}.brand{display:flex;align-items:baseline;gap:12px}.brand h1{margin:0;font-size:20px;letter-spacing:0}.brand span,.muted{color:var(--muted);font-size:13px}.workspace{display:grid;grid-template-columns:270px minmax(420px,1fr) 390px;min-height:0}.inspector,.sidebar{overflow:auto;border-color:var(--line);background:var(--panel)}.sidebar{border-right:1px solid var(--line)}.inspector{border-left:1px solid var(--line)}.section{padding:16px;border-bottom:1px solid var(--line)}.section h2{margin:0 0 12px;font-size:15px}.template-grid{display:grid;grid-gap:8px;gap:8px}.ghost-button,.primary-button,.template-button{min-height:38px;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--text);cursor:pointer}.template-button{display:grid;grid-gap:4px;gap:4px;text-align:left;padding:10px}.template-button strong{font-size:14px}.template-button span{color:var(--muted);font-size:12px;line-height:1.3}.template-button.active{border-color:var(--accent);background:#e7f0ed}.primary-button{background:var(--accent);color:#fff;border-color:var(--accent);padding:0 14px}.ghost-button{padding:0 12px}.mode-switch{display:inline-flex;min-height:38px;overflow:hidden;border:1px solid var(--line);border-radius:6px;background:var(--panel-2)}.mode-switch button{min-height:36px;border:0;border-right:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;padding:0 10px}.mode-switch button:last-child{border-right:0}.mode-switch button.active{background:var(--accent);color:#fff}.mode-switch button:disabled{cursor:not-allowed;opacity:.45}.import-button{display:inline-flex;align-items:center;justify-content:center;position:relative}.import-button input{position:absolute;inset:0;opacity:0;cursor:pointer}.toolbar{display:flex;gap:8px;flex-wrap:wrap}.field-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.field{display:grid;grid-gap:5px;gap:5px}.field label{color:var(--muted);font-size:12px}.field input,.field select{width:100%;min-height:34px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:7px 8px}.field input:disabled{background:var(--panel-2);color:var(--muted)}.dimension-field{gap:7px}.dimension-field input[type=range]{min-height:18px;padding:0;cursor:pointer}.field-hint{margin:10px 0 0;color:var(--muted);font-size:12px;line-height:1.35}.import-summary{display:grid;grid-gap:8px;gap:8px}.import-summary strong{font-size:14px}.import-summary span{color:var(--muted);font-size:13px}.scene-wrap{position:relative;min-width:0;min-height:0;background:#ecebe5}.scene{position:absolute;inset:0 0 260px 0}.scene-loading{display:grid;width:100%;height:100%;place-items:center;color:var(--muted);font-size:14px}.bottom-panel{position:absolute;inset:auto 0 0 0;height:260px;border-top:1px solid var(--line);background:rgba(255,255,255,.96);overflow:auto}.parts-table{width:100%;border-collapse:collapse;font-size:13px}.parts-table td,.parts-table th{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;white-space:nowrap}.parts-table th{position:-webkit-sticky;position:sticky;top:0;background:var(--panel-2);z-index:1}.parts-table tr.selected{background:#e7f0ed}.issue-list{display:grid;grid-gap:8px;gap:8px}.issue{border-left:3px solid var(--accent-2);background:#fff7ef;padding:8px 10px;font-size:13px}.issue.error{border-color:var(--danger);background:#fff0ee}.issue.info{border-color:var(--accent);background:#eef6f4}.empty-state{color:var(--muted);font-size:13px;line-height:1.4}@media (max-width:1100px){.app-shell{height:auto}.workspace{grid-template-columns:1fr}.scene-wrap{min-height:760px}.inspector,.sidebar{border:0}}