:root{--bg:#1d2027;--panel:#252931;--panel-raised:#2d323c;--stage:#16181d;--border:#353b46;--text:#e6e9ef;--muted:#9aa3b2;--accent:#4da3ff;--accent-strong:#2f86e8;--selected:#2c4a6e;--error:#ff6b6b;--warning:#f2b84b;--info:#7cc4ff;--radius:6px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Noto Sans TC,Microsoft JhengHei,sans-serif;font-size:14px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{overflow:hidden}button,input,select{font:inherit;color:inherit}.app{grid-template-rows:auto 1fr auto;height:100%;display:grid}.app.drag-over .stage{outline:2px dashed var(--accent);outline-offset:-8px}.toolbar{background:var(--panel);border-bottom:1px solid var(--border);align-items:center;gap:4px;padding:6px 10px;display:flex;overflow-x:auto}.brand{white-space:nowrap;align-items:center;gap:8px;margin-right:8px;font-weight:600;display:flex}.tool-group{border-right:1px solid var(--border);align-items:center;gap:2px;padding:0 6px;display:flex}.tool-group:last-of-type,.tool-group.end{border-right:none}.tool-group.end{margin-left:auto}.icon-button{border-radius:var(--radius);cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;width:32px;height:32px;padding:0;display:inline-flex}.icon-button.small{flex:none;width:24px;height:24px}.icon-button:hover:not(:disabled){background:var(--panel-raised)}.icon-button.active{background:var(--selected);border-color:var(--accent)}.icon-button.small.active{color:var(--warning);background:0 0;border-color:#0000}.icon-button.faint{opacity:.35}.icon-button:disabled,.button:disabled,.zoom-readout:disabled{opacity:.35;cursor:default}.icon-button:focus-visible,.button:focus-visible,.tab:focus-visible,.layer-row:focus-visible,.finding:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.zoom-readout{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);cursor:pointer;font-variant-numeric:tabular-nums;min-width:56px;height:28px}.button{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-raised);cursor:pointer;white-space:nowrap;align-items:center;gap:6px;padding:6px 12px;display:inline-flex}.button:hover:not(:disabled){border-color:var(--accent)}.button.primary{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}.button.ghost{background:0 0}.menu-host{position:relative}.menu{z-index:20;background:var(--panel-raised);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;min-width:260px;padding:4px;display:flex;position:absolute;top:36px;left:0;box-shadow:0 8px 24px #0006}.menu button{text-align:left;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:8px 10px}.menu button:hover{background:var(--selected)}.workspace{grid-template-columns:1fr 320px;min-height:0;display:grid}.stage{background:var(--stage);min-width:0;min-height:0;position:relative}.workspace:has(>.stage:only-child){grid-template-columns:1fr}.canvas-host{position:absolute;inset:0;overflow:hidden}.canvas{touch-action:none;display:block}.transform-bar{background:var(--panel-raised);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:8px;max-width:calc(100% - 32px);padding:8px 12px;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0006}.transform-bar span{color:var(--muted);font-size:12px}.banner{border:1px solid var(--warning);border-radius:var(--radius);background:#f2b84b26;padding:8px 12px;font-size:13px;position:absolute;top:12px;left:12px;right:12px}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;height:100%;padding:24px;display:flex}.empty-state h1{margin:4px 0 0;font-size:28px}.empty-state p{max-width:460px;margin:0}.drop-target{border:2px dashed var(--border);border-radius:12px;flex-direction:column;align-items:center;gap:10px;margin:16px 0;padding:28px 40px;display:flex}.empty-actions{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.sidebar{background:var(--panel);border-left:1px solid var(--border);flex-direction:column;min-height:0;display:flex}.properties{border-bottom:1px solid var(--border);padding:10px 12px}.field{flex-direction:column;gap:4px;margin-bottom:8px;display:flex}.field.inline{white-space:nowrap;flex-direction:row;align-items:center;gap:8px;margin:0}.field-label{color:var(--muted);font-size:12px}.field-grid{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.input{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);width:100%;min-height:30px;padding:4px 8px}.input.readonly{color:var(--muted);align-items:center;display:flex}.input.number{font-variant-numeric:tabular-nums}.range{width:100%;accent-color:var(--accent)}.checks{flex-wrap:wrap;gap:12px;display:flex}.check{cursor:pointer;align-items:center;gap:6px;display:flex}.note{background:var(--panel-raised);border-radius:var(--radius);color:var(--muted);margin:8px 0 0;padding:6px 8px;font-size:12px}.tabs{border-bottom:1px solid var(--border);display:flex}.tab{color:var(--muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:8px 4px}.tab.active{color:var(--text);border-bottom-color:var(--accent)}.tab-panel{flex:1;min-height:0;overflow:auto}.layer-panel{flex-direction:column;min-height:100%;display:flex}.layer-list{flex:1;margin:0;padding:4px 0;list-style:none}.layer-row{cursor:pointer;-webkit-user-select:none;user-select:none;border-top:2px solid #0000;border-bottom:2px solid #0000;align-items:center;gap:4px;min-height:40px;padding-right:6px;display:flex}.layer-row:hover{background:var(--panel-raised)}.layer-row.selected{background:var(--selected)}.layer-row.dimmed .layer-name,.layer-row.dimmed .thumbnail{opacity:.45}.layer-row.drop-above{border-top-color:var(--accent)}.layer-row.drop-below{border-bottom-color:var(--accent)}.layer-row.drop-inside{outline:2px solid var(--accent);outline-offset:-2px}.caret-spacer{flex:none;width:24px}.thumbnail{background:repeating-conic-gradient(#d9dce1 0 25%, #fff 0 50%) 0 0 / 8px 8px;border-radius:3px;flex:none;width:32px;height:32px}.thumbnail.folder{color:var(--muted);background:0 0;justify-content:center;align-items:center;display:inline-flex}.layer-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.rename{border:1px solid var(--accent);background:var(--bg);border-radius:4px;flex:1;min-width:0;padding:2px 6px}.panel-actions{background:var(--panel);border-top:1px solid var(--border);gap:4px;padding:6px 8px;display:flex;position:sticky;bottom:0}.panel-actions.spread{border-top:none;flex-wrap:wrap;position:static}.panel-note{margin:8px 12px}.muted{color:var(--muted)}.small{font-size:12px}.check-panel{padding-bottom:12px}.check-toolbar{justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;display:flex}.findings{margin:0;padding:0 8px;list-style:none}.finding{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);text-align:left;cursor:pointer;gap:8px;width:100%;margin-bottom:4px;padding:8px;display:flex}.finding>.icon{flex:none;margin-top:2px}.finding.error>.icon{color:var(--error)}.finding.warning>.icon{color:var(--warning)}.finding.info>.icon{color:var(--info)}.finding strong{font-weight:600;display:block}.finding-layer{color:var(--muted);margin-left:6px;font-weight:400}.finding-detail{color:var(--muted);margin-top:2px;font-size:12px;display:block}.compare{padding:0 12px}.history-list{margin:0;padding:4px 0;list-style:none}.history-entry{text-align:left;cursor:pointer;background:0 0;border:none;width:100%;padding:7px 14px}.history-entry:hover{background:var(--panel-raised)}.history-entry.current{background:var(--selected)}.history-entry.future{color:var(--muted)}.statusbar{background:var(--panel);border-top:1px solid var(--border);justify-content:space-between;gap:12px;min-height:26px;padding:4px 12px;font-size:12px;display:flex}.status.error{color:var(--error)}.status.busy{color:var(--info)}.dialog-backdrop{z-index:50;background:#0000008c;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.dialog{background:var(--panel);border:1px solid var(--border);border-radius:10px;width:min(480px,100%);max-height:90vh;padding:20px;overflow:auto}.dialog h2{margin:0 0 12px;font-size:18px}.dialog-actions{justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.shortcuts{border-collapse:collapse;width:100%}.shortcuts td{border-bottom:1px solid var(--border);vertical-align:top;padding:5px 4px}kbd{border:1px solid var(--border);background:var(--bg);white-space:nowrap;border-radius:4px;padding:1px 6px;font-family:ui-monospace,Consolas,monospace;font-size:12px}@media (width<=760px){.workspace{grid-template-rows:minmax(240px,1fr) minmax(0,45%);grid-template-columns:1fr}.sidebar{border-left:none;border-top:1px solid var(--border);overflow:auto}.tab-panel{flex:none;overflow:visible}.brand span,.transform-bar span{display:none}}.compare .button{white-space:normal;text-align:left}