:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;color:#142019;background:#eef3ef;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{max-width:920px;margin:0 auto;padding:48px 20px 80px}header{margin-bottom:28px}h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.05;letter-spacing:-.04em;margin:.25rem 0 1rem}h2{margin:.35rem 0 0}h3{margin:0}.eyebrow{color:#39714f;text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;font-weight:800}.card{background:#fff;border:1px solid #d8e2da;border-radius:18px;padding:24px;margin:16px 0;box-shadow:0 12px 35px rgba(33,65,45,.07)}.setup{display:grid;grid-template-columns:1.3fr 1fr 1fr auto;gap:14px;align-items:end}label{display:grid;gap:7px;font-size:.85rem;font-weight:700;color:#385043}input,select,button{font:inherit;border-radius:10px}input,select{width:100%;border:1px solid #c7d4ca;background:#fbfdfb;padding:11px 12px;color:#142019}input:focus,select:focus{outline:3px solid rgba(36,126,73,.15);border-color:#247e49}button{border:1px solid #bfcfc3;background:#fff;padding:11px 16px;font-weight:800;cursor:pointer;color:#23452f}button:hover{background:#f4f8f5}button.primary{background:#207344;color:#fff;border-color:#207344}button.primary:hover{background:#185d36}button.secondary{margin-top:12px}button.danger{color:#9c3636;border-color:#e3bcbc;padding:8px 12px}button:disabled,input:disabled{opacity:.55;cursor:not-allowed}.section-title{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.section-title>strong{font-size:1.6rem;color:#207344}.badge{display:inline-block;background:#e4f2e8;color:#207344;padding:4px 9px;border-radius:999px;font-size:.72rem;font-weight:800}.hint{color:#607267;margin-bottom:22px}.row{display:grid;grid-template-columns:1fr auto 1fr 120px auto;gap:12px;align-items:end;border-bottom:1px solid #edf1ee;padding:12px 0}.row>span{padding-bottom:12px}.row-total{font-weight:800;text-align:right}.quantity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quantity-grid small{font-weight:500;color:#708078}.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;padding-top:18px;border-top:1px solid #e7ece8}.success{color:#176839;font-weight:800}.error{color:#a52e2e;font-weight:800}.tabs{display:flex;gap:4px;margin:24px 0 18px;border-bottom:1px solid #d9e3dc}.tab{border:0;border-radius:0;background:transparent;color:#6a7d70;padding:12px 16px;border-bottom:3px solid transparent}.tab:hover{background:#f4f8f5}.tab.active{color:#176839;border-bottom-color:#207344}.tab-panel{min-height:180px}.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.fact-grid article{display:grid;gap:6px;background:#f5f8f6;border:1px solid #e0e8e2;border-radius:13px;padding:16px}.fact-grid small,.fact-grid span{color:#66796c;font-size:.75rem}.instance-section{margin-top:24px}.instance-section h3{margin-bottom:10px}table{width:100%;border-collapse:collapse;font-size:.86rem}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid #e3e9e5}th{color:#607267;font-size:.74rem;text-transform:uppercase;letter-spacing:.04em}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem}.state{display:inline-block;padding:3px 8px;border-radius:999px;font-size:.72rem;font-weight:800}.state.active{background:#def2e4;color:#176839}.state.consumed{background:#ecefeb;color:#67736a}details{margin-top:20px}summary{cursor:pointer;color:#4c6556;font-weight:700}pre{background:#142019;color:#dff3e5;padding:18px;border-radius:12px;overflow:auto;line-height:1.45;font-size:.8rem}.graph-section{border:1px solid #dce5de;border-radius:14px;padding:18px;margin:14px 0;background:#fbfdfb}.graph-title{display:flex;justify-content:space-between;align-items:start;gap:16px}.graph-title p{margin:5px 0 14px;color:#718077;font-size:.8rem}.legend{font-size:.75rem;color:#66776c}.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin:0 5px 0 12px}.active-dot{background:#207344}.visited-dot{background:#a9b5ad}.cpn-flow{display:flex;align-items:center;justify-content:center;padding:20px 0;overflow:auto}.place{width:140px;min-height:76px;border:3px double #aebbb2;border-radius:50%;display:grid;place-content:center;text-align:center;background:#fff;flex-shrink:0}.place span{font-weight:800}.place small{display:block;margin-top:5px;font-size:.66rem;color:#66776c}.place.active{border-color:#207344;background:#eaf6ed;box-shadow:0 0 0 5px rgba(32,115,68,.08)}.place.visited{border-color:#87988c;background:#f0f3f1}.transition{display:flex;align-items:center;min-width:95px;color:#7a8a80}.transition span{font-size:.64rem;background:#e9eeea;padding:5px 7px;border-radius:5px}.transition b{font-size:1.6rem;font-weight:400}.transition.fired{color:#207344}.transition.fired span{background:#dff1e4;color:#176839}.graph-canvas{position:relative;overflow:auto}.graph-canvas svg{display:block;width:100%;min-width:580px;height:auto}.edge line{stroke:#a9b7ad;stroke-width:1.5}.edge path{fill:#a9b7ad}.edge text{font-size:10px;fill:#68786d;text-anchor:middle}.graph-node{cursor:pointer;outline:none}.graph-node rect{fill:#fff;stroke:#8fa197;stroke-width:1.5;filter:drop-shadow(0 3px 3px rgba(30,60,40,.08))}.graph-node text{font-size:11px;font-weight:800;fill:#193c27}.graph-node .node-type{font-size:8px;font-weight:500;fill:#718077}.graph-node:hover rect,.graph-node.selected rect,.graph-node:focus rect{stroke:#207344;stroke-width:3;fill:#ebf6ee}.node-detail{position:sticky;bottom:8px;width:max-content;max-width:90%;margin:0 auto;background:#142019;color:#e2f1e7;padding:8px 13px;border-radius:8px;font-size:.75rem;box-shadow:0 5px 18px rgba(0,0,0,.18)}#result:empty{display:none}[hidden]{display:none!important}@media(max-width:760px){main{padding-top:28px}.setup,.quantity-grid,.fact-grid{grid-template-columns:1fr}.row{grid-template-columns:1fr auto 1fr}.row-total{grid-column:1/3;text-align:left}.remove{grid-column:3}.section-title{align-items:center}.cpn-flow{justify-content:flex-start}.place{width:110px}.transition{min-width:72px}.graph-title{display:block}.legend{display:block;margin-bottom:10px}}