:root{--bg: #0b0b0f;--panel: #11111a;--panel2: #0f0f16;--text: #eaeaf2;--muted: #a3a3b8;--stroke: rgba(255,255,255,.1);--stroke2: rgba(255,255,255,.16);--accent: #7c3aed;--accent-light: #9b6aff;--danger: #ff3d5a;--success: #22c55e;--warning: #f59e0b;--radius: 14px;--radius-sm: 10px;--shadow: 0 10px 30px rgba(0,0,0,.45);font-synthesis:none;text-rendering:geometricPrecision;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial}button,input{font:inherit;color:inherit}a{color:inherit}.app{display:grid;grid-template-columns:minmax(280px,320px) 1fr minmax(280px,320px);grid-template-rows:1fr auto;gap:1vh;height:100vh;padding:1vh}.leftPanel{grid-column:1;grid-row:1 / 3}.canvasArea{grid-column:2;grid-row:1;display:flex;flex-direction:column;min-height:0}.exportBar{grid-column:2;grid-row:2}.rightPanel{grid-column:3;grid-row:1 / 3}.panel{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--stroke);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}.panelHeader{padding:12px 14px;border-bottom:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.panelTitle{font-size:13px;font-weight:600;margin:0;letter-spacing:.2px}.brand{display:flex;gap:10px;align-items:baseline}.brand h1{font-size:14px;margin:0;letter-spacing:.2px}.brand span{font-size:12px;color:var(--muted)}.panelBody{padding:12px 14px;overflow-y:auto;overflow-x:hidden;flex:1;min-height:0}.canvasWrap{position:relative;background:#000;border-radius:var(--radius);border:1px solid var(--stroke);overflow:hidden;flex:1;min-height:0;aspect-ratio:1;max-width:100%;margin:0 auto}canvas{display:block;width:100%;height:100%;object-fit:contain}.layerTabs{display:flex;gap:6px;padding:8px 0;overflow-x:auto;scrollbar-width:thin;margin-bottom:8px}.layerTabs::-webkit-scrollbar{height:4px}.layerTabs::-webkit-scrollbar-track{background:#ffffff0d;border-radius:2px}.layerTabs::-webkit-scrollbar-thumb{background:#fff3;border-radius:2px}.layerTab{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);border:1px solid var(--stroke);background:#ffffff05;cursor:pointer;white-space:nowrap;transition:all .12s ease;font-size:12px}.layerTab:hover{background:#ffffff0d;border-color:var(--stroke2)}.layerTab.active{background:#7c3aed26;border-color:#7c3aed66}.layerTab .kindIcon{font-size:14px;opacity:.7}.layerTab .closeBtn{margin-left:4px;padding:2px;border-radius:4px;opacity:.5;cursor:pointer;background:none;border:none;font-size:12px;line-height:1}.layerTab .closeBtn:hover{opacity:1;background:#ff3d5a33}.layerTab .layerOrderBtns{display:flex;gap:2px;margin-right:4px}.layerTab .orderBtn{padding:2px 4px;border-radius:4px;opacity:.6;cursor:pointer;background:#ffffff1a;border:none;font-size:10px;line-height:1;color:inherit;transition:all .1s ease}.layerTab .orderBtn:hover:not(:disabled){opacity:1;background:#7c3aed4d}.layerTab .orderBtn:disabled{opacity:.2;cursor:not-allowed}.addLayerBtn{padding:6px 12px;border-radius:var(--radius-sm);border:1px dashed var(--stroke2);background:transparent;cursor:pointer;font-size:12px;color:var(--muted);transition:all .12s ease}.addLayerBtn:hover{border-color:var(--accent);color:var(--accent-light);background:#7c3aed1a}.exportBar{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--stroke);border-radius:var(--radius);padding:10px 14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.exportBar .exportGroup{display:flex;align-items:center;gap:8px}.exportBar .exportLabel{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.exportBar .exportGroup{position:relative}.exportBar .exportDropdown{position:absolute;bottom:100%;left:0;background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);padding:10px;min-width:100px;z-index:100;box-shadow:0 4px 12px #0006;margin-bottom:6px}.exportBar .exportDropdownLabel{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.exportBar .exportDropdownHint{font-size:10px;color:var(--muted);margin-top:6px;opacity:.7}.exportBar .segmentedVertical{display:flex;flex-direction:column;gap:2px}.exportBar .segmentedVertical button{width:100%;padding:6px 10px;font-size:12px;text-align:left}.section{margin-bottom:16px}.sectionTitle{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin:0 0 10px;padding-bottom:6px;border-bottom:1px solid var(--stroke)}.toolbarRow{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.card{border:1px solid var(--stroke);border-radius:var(--radius);padding:10px;background:#ffffff08}.cardTitle{font-size:12px;color:var(--muted);margin:0 0 8px;display:flex;align-items:center;justify-content:space-between;gap:10px}.row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;margin:8px 0}.rowLabel{font-size:12px;color:var(--text)}.value{font-size:12px;color:var(--muted)}.btn{border:1px solid var(--stroke2);background:#ffffff0a;padding:9px 10px;border-radius:12px;cursor:pointer;transition:transform 80ms ease,background .12s ease;font-size:12px}.btn:hover{background:#ffffff12}.btn:active{transform:translateY(1px)}.btnSm{padding:6px 10px;font-size:11px}.btnPrimary{border-color:#7c3aed8c}.btnPrimary:hover{background:#7c3aed26}.btnDanger{border-color:#ff3d5a8c}.btnDanger:hover{background:#ff3d5a26}.btnSuccess{border-color:#22c55e8c}.btnSuccess:hover{background:#22c55e26}.btnIcon{padding:6px 8px;display:flex;align-items:center;justify-content:center}.hr{height:1px;background:var(--stroke);margin:12px 0}.small{font-size:12px;color:var(--muted);line-height:1.35}.select,.input{width:100%;border:1px solid var(--stroke2);background:#00000059;padding:8px 10px;border-radius:12px;font-size:12px}.input:focus,.select:focus{outline:none;border-color:var(--accent)}.inputSm{padding:6px 8px;font-size:11px}.colorInput{width:36px;height:28px;border:1px solid var(--stroke2);border-radius:8px;cursor:pointer;padding:2px}.colorInput::-webkit-color-swatch-wrapper{padding:0}.colorInput::-webkit-color-swatch{border:none;border-radius:6px}.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:11px;color:#ffffffbf;border:1px solid var(--stroke2);padding:2px 6px;border-radius:8px;background:#00000059}.badge{font-size:11px;color:#ffffffd1;border:1px solid var(--stroke2);padding:2px 8px;border-radius:999px;background:#ffffff08}.badgeKind{font-size:10px;padding:2px 6px;text-transform:uppercase;letter-spacing:.3px}.badgeKind.mask{border-color:#f9731666;background:#f973161a;color:#f97316}.badgeKind.background{border-color:#22c55e66;background:#22c55e1a;color:#22c55e}.badgeKind.foreground{border-color:#3b82f666;background:#3b82f61a;color:#3b82f6}.badgeKind.directedFlow{border-color:#a855f766;background:#a855f71a;color:#a855f7}.modalOverlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(4px)}.modal{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;min-width:380px;max-width:90vw}.modalTitle{font-size:16px;font-weight:600;margin:0 0 16px}.modalBody{margin-bottom:20px}.modalFooter{display:flex;justify-content:flex-end;gap:10px}.kindSelector{display:grid;grid-template-columns:1fr 1fr;gap:10px}.kindOption{border:1px solid var(--stroke);border-radius:var(--radius-sm);padding:14px 12px;cursor:pointer;transition:all .12s ease;background:#ffffff05}.kindOption:hover{background:#ffffff0d;border-color:var(--stroke2)}.kindOption.selected{border-color:var(--accent);background:#7c3aed1a}.kindOption .kindName{font-size:13px;font-weight:500;margin-bottom:4px}.kindOption .kindDesc{font-size:11px;color:var(--muted);line-height:1.4}.toggle{position:relative;width:40px;height:22px;border-radius:11px;background:#ffffff1a;cursor:pointer;transition:background .15s ease}.toggle.on{background:var(--accent)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s ease}.toggle.on:after{transform:translate(18px)}.segmented{display:flex;border:1px solid var(--stroke);border-radius:var(--radius-sm);overflow:hidden}.segmented button{flex:1;padding:6px 10px;border:none;background:transparent;font-size:11px;cursor:pointer;transition:all .12s ease;color:var(--muted)}.segmented button:not(:last-child){border-right:1px solid var(--stroke)}.segmented button:hover{background:#ffffff0d}.segmented button.active{background:#7c3aed33;color:var(--text)}@media (max-width: 1200px){.app{grid-template-columns:minmax(260px,300px) 1fr minmax(260px,300px)}}@media (max-width: 1000px){.app{grid-template-columns:1fr;grid-template-rows:auto 1fr auto auto}.leftPanel{grid-column:1;grid-row:1;max-height:40vh}.canvasArea{grid-column:1;grid-row:2}.exportBar{grid-column:1;grid-row:3}.rightPanel{grid-column:1;grid-row:4;max-height:40vh}}