:root{--bg:#f4f3f0;--panel:#fff;--ink:#1d1d1f;--muted:#6b6b70;--line:#d8d6d0;--accent:#3a6ea5;--accent-soft:#dce8f5;--danger:#a33;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px}*{box-sizing:border-box}html,body{height:100%;margin:0}body{flex-direction:column;display:flex;overflow:hidden}button{font:inherit;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;border-radius:6px;padding:4px 10px}button:hover:not(:disabled){border-color:#b5b2aa}button:disabled{opacity:.45;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}select{font:inherit;border:1px solid var(--line);background:var(--panel);border-radius:6px;max-width:260px;padding:3px 6px}.topbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:16px;padding:8px 14px;display:flex}.app-title{white-space:nowrap;margin:0;font-size:15px;font-weight:650}.app-title .subtitle{color:var(--muted);font-weight:400}.scene-title{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:80px;overflow:hidden}.actions{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.scene-picker{color:var(--muted);align-items:center;gap:6px;display:flex}.workspace{flex:1;min-height:0;display:flex}.toolbar{background:var(--panel);border-right:1px solid var(--line);flex-direction:column;gap:10px;padding:10px 8px;display:flex;overflow-y:auto}.tool-group{border-bottom:1px solid var(--line);flex-direction:column;gap:4px;padding-bottom:10px;display:flex}.tool-group:last-child{border-bottom:none}.toolbar button{background:0 0;border-color:#0000;place-items:center;width:44px;height:44px;padding:5px;display:grid}.toolbar button:hover{background:#f0efeb}.toolbar button[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent)}.toolbar img{object-fit:contain;pointer-events:none;width:32px;height:32px}.pane{flex:1;min-width:0;display:flex;position:relative}.pane-2d{border-right:1px solid var(--line);flex:1.25}.pane canvas{touch-action:none;flex:1;width:100%;height:100%;display:block}#view2d{cursor:crosshair}#view2d[data-tool=select]{cursor:default}#view2d[data-tool=pan],#view2d[data-panning=true]{cursor:grab}#view2d[data-tool=zoom]{cursor:zoom-in}#view3d{cursor:grab}.status{color:#fff;pointer-events:none;white-space:nowrap;background:#1d1d1fc7;border-radius:12px;padding:4px 12px;font-weight:600;position:absolute;bottom:12px;left:50%;transform:translate(-50%)}.status:empty{display:none}.view-options{border:1px solid var(--line);background:#ffffffe0;border-radius:8px;align-items:center;gap:10px;padding:4px 8px;font-size:13px;display:flex;position:absolute;top:8px;right:8px}.view-options label{cursor:pointer;align-items:center;gap:4px;display:flex}.flash{color:#5a3d00;z-index:20;background:#fff4e5;border:1px solid #e7c48a;border-radius:8px;padding:8px 14px;position:fixed;top:60px;left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0000001f}.context-menu{z-index:30;background:var(--panel);border:1px solid var(--line);border-radius:8px;flex-direction:column;min-width:220px;padding:4px;display:flex;position:fixed;box-shadow:0 6px 24px #00000029}.context-menu button{text-align:left;background:0 0;border:none;border-radius:4px;padding:5px 10px}.context-menu button:hover:not(:disabled),.context-menu button:focus{background:var(--accent-soft);outline:none}.context-menu .separator{background:var(--line);height:1px;margin:4px 2px}dialog{border:1px solid var(--line);border-radius:12px;padding:0;box-shadow:0 12px 40px #0003}dialog::backdrop{background:#00000040}dialog form{padding:18px 20px}dialog h2{margin:0 0 8px;font-size:17px}dialog h3{margin:14px 0 4px;font-size:14px}dialog .hint{color:var(--muted);max-width:320px;margin:0 0 12px}dialog .buttons{align-items:center;gap:8px;margin-top:14px;display:flex}dialog .buttons .spacer{flex:1}.help-dialog{max-width:640px}.help-dialog ul{margin:4px 0;padding-left:20px}.help-dialog li{margin:4px 0;line-height:1.4}.xsection-dialog canvas{cursor:crosshair;touch-action:none;border-radius:8px;display:block}.presets{gap:8px;margin-top:10px;display:flex}.presets button{flex-direction:column;align-items:center;gap:2px;padding:4px 8px;font-size:12px;display:flex}@media (width<=900px){.workspace{flex-direction:column}.toolbar{border-right:none;border-bottom:1px solid var(--line);flex-direction:row;overflow-x:auto}.tool-group{border-bottom:none;border-right:1px solid var(--line);flex-direction:row;padding:0 8px 0 0}.pane-2d{border-right:none;border-bottom:1px solid var(--line)}}