:root{color:#111827;background:#f8fafc;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0}button,input{font:inherit}button{border:1px solid #cbd5e1;background:#fff;color:#111827;border-radius:7px;cursor:pointer}button:hover{border-color:#64748b}.app-frame{display:flex;flex-direction:column;height:100vh;overflow:hidden}.top-toolbar{display:flex;align-items:center;gap:6px;flex:0 0 auto;min-height:48px;background:#fff;border-bottom:1px solid #cbd5e1;padding:0 14px;position:relative;z-index:10}.top-toolbar h1{margin:0 12px 0 0;font-size:16px;line-height:1;white-space:nowrap}.toolbar-menu{position:relative}.toolbar-menu summary{border:1px solid transparent;border-radius:7px;cursor:pointer;display:flex;align-items:center;min-height:32px;padding:6px 10px;font-size:13px;font-weight:700;list-style:none}.toolbar-menu summary::-webkit-details-marker{display:none}.toolbar-menu[open] summary,.toolbar-menu summary:hover{background:#f8fafc;border-color:#cbd5e1}.toolbar-menu-panel{display:grid;gap:2px;background:#fff;border:1px solid #cbd5e1;border-radius:8px;box-shadow:0 12px 28px #0f172a24;left:0;min-width:150px;padding:6px;position:absolute;top:calc(100% + 6px)}.examples-menu-panel{gap:8px;min-width:230px}.examples-menu-category{display:grid;gap:2px}.toolbar-menu-section-label{color:#64748b;font-size:11px;font-weight:800;letter-spacing:0;padding:6px 8px 3px}.toolbar-menu-panel button{display:flex;align-items:center;gap:8px;width:100%;border:0;background:transparent;border-radius:6px;padding:8px;font-size:13px;font-weight:700;text-align:left}.toolbar-menu-panel button:hover{background:#f1f5f9}.app-shell{display:grid;grid-template-columns:minmax(340px,33.333vw) minmax(0,1fr);flex:1 1 auto;min-height:0;overflow:hidden}.sidebar{display:flex;flex-direction:column;min-width:0;min-height:0;border-right:1px solid #cbd5e1;background:#f1f5f9;overflow:hidden}.sidebar-content{flex:1 1 auto;min-height:0;overflow-y:auto;padding:14px 14px 4px}.sidebar-footer{flex:0 0 auto;margin:0;border-radius:0;border-width:1px 0 0;padding:12px 14px}.editor-heading,.range-label{display:flex;align-items:center;justify-content:space-between;gap:12px}.output-panel h1{margin:0;font-size:20px;line-height:1.1}.sidebar-intro p,.output-panel p{margin:0 0 12px;color:#64748b;font-size:12px}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;flex:0 0 auto}.control-section{margin:10px 0}.control-section.compact{background:#fff;border:1px solid #dbe3ef;border-radius:8px;padding:10px}.section-label{color:#475569;font-size:11px;font-weight:800;letter-spacing:0;margin-bottom:6px;text-transform:uppercase}.tool-strip{display:grid;gap:8px;grid-template-columns:repeat(6,minmax(0,1fr));width:100%}.tool-button{display:inline-flex;align-items:center;justify-content:center;height:46px;width:100%}.tool-button.active{border-color:#0f172a;box-shadow:inset 0 0 0 1px #0f172a}.mini-swatch,.tab-swatch{display:inline-block;border:1px solid rgba(15,23,42,.3)}.pencil-tool-icon{display:block;height:38px;overflow:visible;width:38px}.mini-swatch,.tab-swatch{width:10px;height:10px;border-radius:999px}.seed-tab-swatch{background:linear-gradient(135deg,#111827 0 50%,#fff 50% 100%)}.graph-editor{background:#fff;border:1px solid #dbe3ef;border-radius:8px;margin:10px 0;outline:none;padding:10px}.graph-editor:focus-within{border-color:#64748b}.editor-heading{margin-bottom:8px}.editor-heading h2{font-size:14px;margin:0}.tool-pill{display:inline-flex;align-items:center;gap:5px;color:#475569;font-size:11px;white-space:nowrap}.editor-svg{width:100%;height:196px;border:1px solid #e2e8f0;border-radius:6px;display:block;overscroll-behavior:contain;touch-action:none;-webkit-user-select:none;user-select:none}.editor-bg{fill:#fbfcfe}.editor-edge{fill:none;stroke-width:3;stroke-linecap:round}.substitution-guide{pointer-events:none}.edge-selection-halo{fill:none;stroke:#f59e0b;stroke-width:10;stroke-linecap:round;opacity:.35}.edge-hit{stroke:transparent;stroke-width:14;stroke-linecap:round}.draft-edge{fill:none;stroke-width:3;stroke-dasharray:5 5;stroke-linecap:round;opacity:.75}.vertex{fill:#fff;stroke:#475569;stroke-width:2;cursor:grab}.vertex:active{cursor:grabbing}.vertex.selected{stroke:#f59e0b;stroke-width:3}.range-label{font-size:13px;font-weight:700}.range-label strong{min-width:24px;text-align:right}input[type=range]{width:100%;accent-color:#0f172a}.rule-window{margin:16px 0 10px}.rule-window>.section-label{margin-bottom:7px}.rule-tabs{display:flex;align-items:end;gap:3px;overflow-x:auto;padding:0 3px;position:relative;scrollbar-width:thin;z-index:1}.rule-tab{display:inline-flex;align-items:center;flex:0 0 auto;gap:6px;background:#e2e8f0;border-color:#cbd5e1;border-radius:8px 8px 0 0;color:#475569;margin-bottom:-1px;padding:7px 9px 8px;font-size:12px;font-weight:700}.rule-tab:hover{background:#f1f5f9}.rule-tab.active{background:#fff;border-color:#94a3b8;border-bottom-color:#fff;color:#0f172a;padding-top:9px}.rule-tab-panel{aspect-ratio:1;background:#fff;border:1px solid #94a3b8;border-radius:0 8px 8px}.rule-tab-panel>.graph-editor{border:0;border-radius:0 7px 7px;display:flex;flex-direction:column;height:100%;margin:0;padding:12px}.rule-tab-panel>.graph-editor .editor-svg{flex:1 1 auto;height:auto;min-height:0}.rule-tab-panel>.graph-editor .editor-heading{justify-content:flex-end}.rule-tab-panel>.graph-editor .editor-heading h2{display:none}.rule-tab-panel>.graph-editor:focus-within{border-color:transparent;box-shadow:inset 0 0 0 2px #cbd5e1}.status-message{border:1px solid #cbd5e1;background:#fff;border-radius:8px;color:#334155;font-size:13px;margin-top:10px;padding:9px 10px}.output-panel{min-width:0;min-height:0;background:#f8fafc;overflow:hidden;position:relative}.canvas-reset-button{background:#ffffffeb;border:1px solid #cbd5e1;border-radius:8px;box-shadow:0 8px 24px #0f172a1a;position:absolute;right:16px;top:14px;z-index:3}.warning-bar{display:flex;gap:10px;flex-wrap:wrap;background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;color:#9a3412;font-size:13px;left:14px;padding:8px 14px;position:absolute;right:64px;top:14px;z-index:2}.canvas-frame{inset:0;min-width:0;min-height:0;position:absolute;overflow:hidden;overscroll-behavior:contain}.canvas-frame canvas{display:block;width:100%;height:100%;touch-action:none}@media(max-width:860px){.app-shell{grid-template-columns:1fr;grid-template-rows:minmax(420px,48vh) minmax(0,1fr)}.sidebar{border-right:0;border-bottom:1px solid #cbd5e1}}