:root{--text:#172033;--muted:#687386;--panel:#ffffffd1;--panel-strong:#fff;--border:#6f809738;--accent:#2563eb;--accent-soft:#2563eb1f;--danger:#e11d48;--shadow:0 16px 40px #2b364e24;--font:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-family:var(--font);color:var(--text);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f3f6fb}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;overflow:hidden}button{font:inherit;letter-spacing:0}.appShell{background:#f3f6fb;flex-direction:column;width:100%;height:100svh;display:flex;position:relative;overflow:hidden}.toolbar{z-index:20;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffdb;align-items:center;gap:16px;min-height:74px;padding:10px 14px;display:flex}.brand{flex:none;align-items:center;gap:10px;width:178px;display:flex}.brandMark{color:#fff;background:#2563eb;border-radius:8px;place-items:center;width:42px;height:42px;display:grid;box-shadow:0 10px 22px #2563eb38}.brand strong,.brand span{line-height:1.1;display:block}.brand strong{font-size:15px}.brand span{color:var(--muted);font-size:12px}.toolStrip{flex:1;align-items:center;gap:8px;min-width:0;padding-bottom:2px;display:flex;overflow-x:auto}.toolButton,.showcaseButton{border:1px solid var(--border);color:#1f2937;cursor:pointer;white-space:nowrap;background:#ffffffdb;border-radius:8px;justify-content:center;align-items:center;gap:6px;min-width:58px;min-height:48px;transition:transform .14s,border-color .14s,background .14s;display:inline-flex}.toolButton{flex-direction:column;padding:5px 9px;font-size:12px;line-height:1}.toolButton:hover,.showcaseButton:hover{background:#fff;border-color:#2563eb59;transform:translateY(-1px)}.toolButton:disabled{cursor:default;opacity:.42;transform:none}.toolButton.isActive{color:var(--accent);background:var(--accent-soft);border-color:#2563eb6b}.workArea{flex:1;min-height:0;display:flex}.palette{z-index:12;border-right:1px solid var(--border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffc7;flex:0 0 190px;width:190px;padding:14px;overflow:auto}.paletteSection+.paletteSection{margin-top:18px}.sectionTitle{color:var(--muted);margin-bottom:10px;font-size:13px;font-weight:700}.shapeGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.shapeCard{border:1px solid var(--border);background:var(--panel-strong);color:#1f2937;cursor:grab;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:82px;font-size:12px;font-weight:700;display:flex;box-shadow:0 8px 20px #202a3f0f}.shapeCard:active{cursor:grabbing}.shapeCard svg{width:50px;height:50px;overflow:visible}.colorGrid{grid-template-columns:repeat(4,1fr);gap:9px;display:grid}.colorSwatch{cursor:pointer;border:3px solid;border-radius:8px;width:34px;height:34px;box-shadow:inset 0 0 0 2px #ffffff9e}.colorSwatch.isActive{outline-offset:2px;outline:3px solid #2563eb47}.canvasPanel,.canvasHost{flex:1;min-width:0;min-height:0;position:relative}.canvasPanel{display:flex}.canvasHost{touch-action:none;overflow:hidden}.canvasHost canvas{display:block}.canvasHost.isShowcase{animation:4.6s ease-in-out infinite showcaseBreath}.lightingPanel{z-index:30;border:1px solid var(--border);max-width:calc(100% - 32px);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffe6;border-radius:8px;gap:10px;padding:10px;display:flex;position:absolute;top:14px;right:16px;overflow-x:auto}.lightingCard{color:#1f2937;cursor:pointer;text-align:center;background:0 0;border:1px solid #0000;border-radius:8px;gap:7px;width:88px;min-width:88px;padding:6px;display:grid}.lightingCard.isActive{background:var(--accent-soft);border-color:#2563eb75}.lightingPreview{border:1px solid #0f172a1f;border-radius:8px;height:42px;display:block;position:relative;overflow:hidden}.lightingPreview span{background:#ffd8489e;border-radius:5px;width:22px;height:22px;position:absolute;top:12px;left:32px;box-shadow:18px 8px 20px #0f172a2e}.lightingCard strong{font-size:13px}.collisionToast{z-index:40;color:#fff;pointer-events:none;background:#e11d48eb;border-radius:8px;padding:10px 16px;font-weight:800;position:absolute;bottom:28px;left:50%;transform:translate(-50%);box-shadow:0 14px 30px #e11d4847}.showcaseShell{background:#111827}.showcaseChrome{z-index:50;pointer-events:none;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;display:grid;position:absolute;top:18px;left:18px;right:18px}.showcaseTitle{color:#172033;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffc7;border-radius:8px;padding:10px 18px;font-size:18px;font-weight:800}.showcaseActions{justify-content:flex-end;justify-self:end;gap:8px;display:flex}.showcaseButton{pointer-events:auto;justify-self:start;min-width:auto;padding:10px 14px;font-size:14px;font-weight:800}.showcaseButton.iconOnly{width:46px;padding:10px}@keyframes showcaseBreath{0%,to{filter:saturate()}50%{filter:saturate(1.08)}}@media (width<=860px){.toolbar{gap:8px;min-height:66px;padding:8px}.brand{width:58px}.brand div:last-child{display:none}.workArea{flex-direction:column-reverse}.palette{border-top:1px solid var(--border);border-right:none;flex-direction:column;flex:0 0 218px;gap:10px;width:100%;height:218px;display:flex;overflow-x:hidden}.paletteSection{min-width:0}.paletteSection+.paletteSection{margin-top:0}.sectionTitle{margin-bottom:7px}.shapeGrid{width:max-content;max-width:100%;padding:0 2px 4px;display:flex;overflow-x:auto}.shapeCard{width:78px;min-width:78px;min-height:78px}.colorGrid{gap:10px;max-width:100%;padding:2px 2px 5px;display:flex;overflow-x:auto}.colorSwatch{flex:none;width:40px;height:40px}.lightingPanel{top:10px;left:10px;right:10px}.showcaseChrome{grid-template-columns:1fr;justify-items:center}.showcaseActions{justify-content:center}}