:root{--bg:#f3f2ee;--sidebar:#f7f6f2;--stage:#e6e5e0;--ink:#1f1e1a;--muted:#6e6d67;--faint:#8a8982;--line:#1f1e1a14;--fill:#1f1e1a0d;--fill-strong:#1f1e1a17;--surface:#fffcf8;--radius:8px;--control:32px;--sidebar-w:348px;--header-h:52px;--ease:cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{color:var(--ink);background:var(--bg);letter-spacing:-.01em;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:13px;line-height:1.4;overflow:hidden}button,input{font:inherit;color:inherit}button{cursor:pointer}h1,h2{margin:0}.shell{grid-template-columns:var(--sidebar-w) 1fr;grid-template-rows:var(--header-h) 1fr;grid-template-areas:"header header""sidebar stage";height:100dvh;display:grid}.header{border-bottom:1px solid var(--line);background:var(--bg);grid-area:header;justify-content:space-between;align-items:center;padding:0 16px 0 18px;display:flex}.brand{align-items:center;gap:10px;display:flex}.mark{background:radial-gradient(circle at 30% 28%,#f7fcff 0%,#0000 42%),radial-gradient(circle at 70% 70%,#7db8d8 0%,#cfe7d8 70%);border-radius:4px;width:14px;height:14px}.brand h1{letter-spacing:-.03em;font-size:14px;font-weight:600}.header-actions{align-items:center;gap:8px;display:flex}.notice{color:var(--muted);margin-right:4px;font-size:12px}.btn{height:var(--control);border-radius:var(--radius);color:var(--ink);transition:background .14s var(--ease), transform .14s var(--ease), opacity .14s var(--ease);background:0 0;border:0;padding:0 12px;font-size:13px;font-weight:500}.btn:hover:not(:disabled){background:var(--fill)}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.35;cursor:default}.btn.primary{background:var(--ink);color:var(--surface)}.btn.primary:hover:not(:disabled){background:#33322e}.menu{position:relative}.menu-list{background:var(--surface);min-width:176px;box-shadow:0 0 0 1px var(--line), 0 12px 32px #1f1e1a1f;z-index:2;border-radius:10px;padding:6px;position:absolute;top:calc(100% + 6px);right:0}.menu-list button{text-align:left;background:0 0;border:0;border-radius:6px;justify-content:space-between;align-items:center;width:100%;height:32px;padding:0 10px;display:flex}.menu-list button span{color:var(--faint);font-variant-numeric:tabular-nums;font-size:11px}.menu-list button:hover{background:var(--fill)}.sidebar{background:var(--sidebar);border-right:1px solid var(--line);flex-direction:column;grid-area:sidebar;min-height:0;padding:8px 0 16px;display:flex;overflow:auto}.section{padding:12px 18px 14px}.section+.section{border-top:1px solid var(--line)}.section h2{color:var(--faint);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;font-size:11px;font-weight:600}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{border-radius:var(--radius);background:0 0;border:1px solid #0000;height:28px;padding:0 10px;font-size:12px;font-weight:500}.chip:hover{background:var(--fill)}.chip.active{background:var(--fill-strong);border-color:var(--line)}.stack{flex-direction:column;gap:8px;display:flex}.range{display:block}.range-row{justify-content:space-between;align-items:baseline;margin-bottom:4px;display:flex}.range-label{color:var(--ink);font-size:12px}.range-value{color:var(--muted);font-variant-numeric:tabular-nums;font-size:11px}input[type=range]{appearance:none;background:0 0;width:100%;height:18px;margin:0}input[type=range]::-webkit-slider-runnable-track{background:var(--fill-strong);border-radius:99px;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--surface);border:1px solid #1f1e1a29;border-radius:50%;width:12px;height:12px;margin-top:-4px;box-shadow:0 1px 2px #1f1e1a1f}input[type=range]::-moz-range-track{background:var(--fill-strong);border-radius:99px;height:4px}input[type=range]::-moz-range-thumb{background:var(--surface);border:1px solid #1f1e1a29;border-radius:50%;width:12px;height:12px;box-shadow:0 1px 2px #1f1e1a1f}.palette{flex-direction:column;gap:10px;display:flex}.swatches{flex-wrap:wrap;gap:8px;display:flex}.swatch{border-radius:var(--radius);width:28px;height:28px;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #1f1e1a24}.swatch input[type=color]{cursor:pointer;background:0 0;border:0;width:160%;height:160%;padding:0;position:absolute;inset:-30%}.swatch-remove{background:var(--ink);width:14px;height:14px;color:var(--surface);border:0;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:10px;line-height:1;display:none;position:absolute;top:-2px;right:-2px}.swatch:hover .swatch-remove,.swatch:focus-within .swatch-remove{display:flex}@media (pointer:coarse){.swatch-remove{display:flex}}.palette-actions{gap:4px;display:flex}.palette-actions .btn{color:var(--muted);padding:0 8px}.size-grid{grid-template-columns:1fr 1fr;gap:8px;margin-top:12px;display:grid}.field-wrap{color:var(--muted);flex-direction:column;gap:6px;font-size:11px;display:flex}.field{height:var(--control);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);font-variant-numeric:tabular-nums;width:100%;padding:0 10px}.field:focus{border-color:#1f1e1a59;outline:none}.seed-row{grid-template-columns:1fr auto;gap:8px;display:grid}.seed-field{font-variant-numeric:tabular-nums;letter-spacing:.02em}.sidebar-foot{border-top:1px solid var(--line);gap:4px;margin-top:auto;padding:8px 14px 0;display:flex}.stage{background:var(--stage);grid-area:stage;place-items:center;min-width:0;min-height:0;padding:clamp(16px,3.4vw,40px);display:grid;overflow:hidden;container-type:size}.canvas{width:min(100cqi, calc(100cqb * var(--ar-w) / var(--ar-h)));height:min(100cqb, calc(100cqi * var(--ar-h) / var(--ar-w)));background:#d8d7d2;border-radius:4px;overflow:hidden;box-shadow:0 1px 2px #1f1e1a0d,0 18px 40px #1f1e1a14}.mesh{width:100%;height:100%;display:block}:focus-visible{outline:2px solid var(--ink);outline-offset:2px}input[type=range]:focus{outline:none}input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 3px var(--sidebar), 0 0 0 5px var(--ink)}input[type=range]:focus-visible::-moz-range-thumb{box-shadow:0 0 0 3px var(--sidebar), 0 0 0 5px var(--ink)}@media (width<=860px){.shell{grid-template-columns:1fr;grid-template-rows:var(--header-h) minmax(220px, 1fr) minmax(240px, 46vh);grid-template-areas:"header""stage""sidebar"}.sidebar{border-right:0;border-top:1px solid var(--line)}.header{padding:0 12px}.stage{padding:16px}}@media (prefers-reduced-motion:reduce){.btn{transition:none}}