:root{--role-producer:#2ecc71;--role-consumer-1:#f1c40f;--role-consumer-2:#e67e22;--role-consumer-3:#e74c3c;--role-decomposer:#95a5a6;--role-producer-ink:#1e8449;--role-consumer-1-ink:#9a7d0a;--role-consumer-2-ink:#b9590f;--role-consumer-3-ink:#c0392b;--role-decomposer-ink:#5d6d7e;--eco-accent:#27ae60;--eco-accent-h:#1e8449;--eco-sidebar-w:320px;--eco-grid-bg:#f8f9fa;--eco-card-bg:#fff;--eco-top:calc(var(--sk-stage-top) + 40px);--tray-h:0px;--sk-accent:var(--eco-accent-h)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--eco-grid-bg);color:var(--fg);-webkit-tap-highlight-color:transparent;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,sans-serif;overflow:hidden}.screen{display:none}.screen.active{display:flex}.screen [tabindex="-1"]:focus{outline:none}.intro-screen{text-align:center;background:radial-gradient(circle at 10% 20%, #2ecc710f 0, transparent 40%), radial-gradient(circle at 90% 80%, #27ae600d 0, transparent 35%), var(--eco-grid-bg)}.intro-emoji{margin-bottom:12px;font-size:80px;line-height:1;animation:2.5s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.intro-screen h1{margin-bottom:6px;font-size:32px;font-weight:800}.intro-sub{color:var(--fg-muted);margin-bottom:24px;font-size:15px;line-height:1.7}.intro-card{background:var(--eco-card-bg);border:2px dashed var(--eco-accent);border-radius:16px;width:100%;max-width:440px;margin-bottom:24px;padding:20px 24px;box-shadow:0 8px 32px #0000000d}.intro-card h3{color:var(--eco-accent-h);margin-bottom:8px;font-size:17px;font-weight:700}.intro-card p{color:var(--fg-muted);font-size:15px;line-height:1.7}.big-btn{min-height:52px;padding:0 28px;font-size:16px}.explore-screen{width:100vw;height:100dvh}.explore-layout{grid-template-columns:1fr 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#00000014}.tool-btn[aria-pressed=true]{background:var(--eco-accent-h);border-color:var(--eco-accent-h);color:#fff;box-shadow:0 0 0 3px #27ae604d}.tool-btn.sk-btn--danger{background:#fff}.canvas-viewport{flex:1;width:100%;height:100%;position:relative}.canvas-svg{pointer-events:none;z-index:1;width:100%;height:100%;position:absolute;inset:0}.node-card{pointer-events:auto;background:var(--eco-card-bg);border:2px solid var(--border);cursor:grab;z-index:3;user-select:none;touch-action:none;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;width:84px;height:106px;padding:6px;transition:border-color .15s,transform .1s;display:flex;position:absolute;box-shadow:0 4px 12px #0000000d}.node-card:active{cursor:grabbing;transform:scale(1.04)}.node-card.selected{border-color:var(--eco-accent);box-shadow:0 0 0 3px #27ae6073}.node-card.disabled{opacity:.3;pointer-events:none}.node-card:focus-visible{outline:3px solid var(--eco-accent);outline-offset:2px}button.node-card{font:inherit;color:var(--fg)}.node-emoji{margin-bottom:4px;font-size:32px;line-height:1}.node-name{text-align:center;font-size:14px;font-weight:800}.edge-hit:focus{stroke:#e74c3c73;outline:none}.node-role-dot{border-radius:50%;width:8px;height:8px;position:absolute;top:6px;right:6px}.node-card.chip{border-radius:12px;flex-direction:row;gap:4px;width:84px;height:44px;padding:4px 6px}.node-card.chip .node-emoji{margin:0;font-size:20px}.node-card.chip .node-name{white-space:nowrap;font-size:13px}.classify-box .node-card.chip{position:static}.classify-zones{padding:calc(var(--eco-top) + var(--tray-h)) 12px 12px;pointer-events:none;z-index:0;grid-template-columns:repeat(3,1fr);grid-auto-rows:1fr;gap:10px;display:grid;position:absolute;inset:0}.classify-box{border:2px dashed var(--border);pointer-events:auto;background:#00000005;border-radius:16px;flex-wrap:wrap;place-content:flex-start center;gap:6px;min-height:0;padding:6px;transition:background .15s;display:flex;overflow:auto}.classify-box.drag-over{border-color:var(--eco-accent);background:#27ae600d}.classify-box-title{font:inherit;text-align:center;color:var(--fg-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;gap:4px;width:100%;min-height:36px;font-size:14px;font-weight:800;display:flex}.classify-box-title[data-role=producer]{color:var(--role-producer-ink)}.classify-box-title[data-role=consumer-1]{color:var(--role-consumer-1-ink)}.classify-box-title[data-role=consumer-2]{color:var(--role-consumer-2-ink)}.classify-box-title[data-role=consumer-3]{color:var(--role-consumer-3-ink)}.classify-box-title[data-role=decomposer]{color:var(--role-decomposer-ink)}.pyramid-zone{padding:var(--eco-top) 12px 16px;z-index:1;flex-direction:column;align-items:center;display:flex;position:absolute;inset:0;overflow-y:auto}.pyramid-container{flex-direction:column;gap:8px;width:100%;max-width:440px;margin:auto 0;display:flex}.pyramid-tier{border:2px solid var(--border);background:var(--eco-card-bg);border-radius:12px;flex-direction:column;align-items:center;gap:6px;width:100%;min-height:80px;padding:8px;transition:all .2s;display:flex;box-shadow:0 4px 12px #00000008}.pyramid-tier.drag-over{border-color:var(--eco-accent);background:#27ae600d}.pyramid-tier-label{font:inherit;color:var(--fg-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;min-height:36px;padding:0 10px;font-size:14px;font-weight:800}.pyramid-tier-slots{flex-wrap:wrap;justify-content:center;gap:8px;width:100%;min-height:48px;display:flex}.pyramid-tier-slots .node-card{position:static;transform:none!important}.pyramid-tier[data-tier="4"]{width:45%;margin:0 auto}.pyramid-tier[data-tier="3"]{width:65%;margin:0 auto}.pyramid-tier[data-tier="2"]{width:85%;margin:0 auto}.pyramid-tier[data-tier="1"]{width:100%}.pyramid-shake{animation:.5s shake}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-8px)}40%,80%{transform:translate(8px)}}.scenario-zone{padding:var(--eco-top) 12px 16px;z-index:1;flex-direction:column;align-items:center;display:flex;position:absolute;inset:0;overflow-y:auto}.scenario-species-grid{grid-template-columns:repeat(2,1fr);gap:16px;width:100%;max-width:440px;margin:auto 0;display:grid}.sc-card{background:var(--eco-card-bg);border:2px solid var(--border);border-radius:16px;align-items:center;gap:12px;padding:14px;transition:all .25s;display:flex;position:relative;box-shadow:0 4px 16px #00000008}.sc-card.delta-up{border-color:var(--role-consumer-3);background:#e74c3c0d}.sc-card.delta-down{background:#2980b90d;border-color:#2980b9}.sc-card.delta-flat{border-color:var(--eco-accent)}.sc-emoji{font-size:36px}.sc-info{flex-direction:column;display:flex}.sc-name{font-size:15px;font-weight:800}.sc-role{color:var(--fg-muted);font-size:13px}.sc-delta-badge{color:#fff;border-radius:15px;justify-content:center;align-items:center;gap:2px;min-width:30px;height:30px;padding:0 8px;font-size:13px;font-weight:800;display:flex;position:absolute;top:-10px;right:-8px;box-shadow:0 4px 10px #00000026}.sc-delta-badge.up{background:#c0392b}.sc-delta-badge.down{background:#2471a3}.sc-delta-badge.flat{background:var(--eco-accent-h)}.sidebar{background:var(--card-bg);border-left:2px solid var(--border);flex-direction:column;display:flex;overflow-y:auto;box-shadow:-4px 0 24px #0000000f}.side-head{background:linear-gradient(135deg, var(--eco-accent) 0%, var(--eco-accent-h) 100%);color:#fff;flex-shrink:0;padding:16px 20px 14px;position:relative;overflow:hidden}.side-head:after{content:"";background:radial-gradient(circle at 80% -20%,#ffffff26 0,#0000 55%);position:absolute;inset:0}.side-head h2{z-index:1;align-items:center;gap:8px;font-size:20px;font-weight:700;display:flex;position:relative}.side-head .side-sub{opacity:.9;z-index:1;margin-top:2px;font-size:13px;position:relative}.side-body{flex-direction:column;flex:1;padding:14px 16px 20px;display:flex}.mode-tabs{flex-shrink:0;gap:4px;margin-bottom:14px;display:flex}.mode-tab{border:2px solid var(--border);background:var(--bg-sec);text-align:center;cursor:pointer;color:var(--fg-muted);border-radius:10px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;min-height:52px;padding:8px 4px;font-family:inherit;font-size:13px;font-weight:800;transition:all .15s;display:flex}.mode-tab.active{border-color:var(--eco-accent);color:var(--eco-accent-h);background:#2ecc711a}.mode-tab .em{font-size:16px;display:inline-flex}.mission-card{border:1px solid var(--border);background:var(--bg-sec);border-radius:14px;margin-bottom:14px;padding:12px 14px}.mission-title{color:var(--fg-muted);letter-spacing:.04em;margin-bottom:8px;font-size:13px;font-weight:700}.mission-desc{font-size:15px;font-weight:600;line-height:1.6}.mission-desc .hint{color:var(--fg-muted);margin-top:6px;font-size:14px;font-weight:600;display:block}.mission-nav{justify-content:center;gap:8px;margin-top:10px;display:flex}.m3-choices{flex-direction:column;gap:8px;margin-top:12px;display:flex}.m3-choice{border:2px solid var(--border);background:var(--card-bg);min-height:44px;color:var(--fg);font:inherit;cursor:pointer;text-align:left;border-radius:10px;align-items:center;gap:8px;padding:8px 12px;font-size:14px;font-weight:700;display:flex}.m3-choice .no{color:var(--eco-accent-h);font-weight:900}.m3-choice:hover{border-color:var(--eco-accent)}.m3-choice.selected{border-color:var(--eco-accent);background:#2ecc711f}.ctrl-group-title{color:var(--fg-muted);margin-bottom:2px;font-size:13px;font-weight:800}.scenario-selector{flex-direction:column;gap:8px;margin-bottom:14px;display:flex}.scenario-btn{border:2px solid var(--border);background:var(--card-bg);min-height:44px;color:var(--fg);text-align:left;cursor:pointer;border-radius:10px;align-items:center;gap:8px;padding:12px;font-family:inherit;font-size:14px;font-weight:700;transition:all .15s;display:flex}.scenario-btn:hover{border-color:var(--eco-accent)}.scenario-btn.active{border-color:var(--eco-accent);background:#2ecc7114}.prediction-box{background:var(--bg-sec);border:1px solid var(--border);border-radius:12px;margin-bottom:14px;padding:12px}.prediction-title{color:var(--fg);margin-bottom:8px;font-size:15px;font-weight:800}.prediction-row{margin-bottom:10px}.prediction-row:last-child{margin-bottom:0}.prediction-label{margin-bottom:4px;font-size:14px;font-weight:700;display:block}.prediction-btns{gap:4px;display:flex}.pred-btn{border:1px solid var(--border);background:var(--card-bg);min-height:44px;color:var(--fg);cursor:pointer;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:4px;padding:0 4px;font-family:inherit;font-size:14px;font-weight:800;transition:all .15s;display:flex}.pred-btn.active{background:var(--eco-accent-h);color:#fff;border-color:var(--eco-accent-h)}.palette-section{flex-direction:column;flex:1;min-height:0;display:flex}.palette-title{color:var(--fg-muted);margin-bottom:8px;font-size:13px;font-weight:700}.palette-grid{grid-template-columns:repeat(3,1fr);gap:6px;padding-right:4px;display:grid;overflow-y:auto}.palette-item{border:1px solid var(--border);background:var(--bg-sec);min-height:64px;color:var(--fg);text-align:center;cursor:pointer;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:8px 4px;font-family:inherit;font-size:14px;font-weight:700;display:flex}.palette-item.placed{opacity:.4}.palette-item.picked{outline:3px solid var(--eco-accent);outline-offset:1px}.action-panel{flex-direction:column;flex-shrink:0;gap:6px;margin-bottom:14px;display:flex}.feedback-box{text-align:center;border-radius:10px;margin:10px 0;padding:10px;font-size:15px;line-height:1.5}.feedback-box.ok{color:var(--eco-accent-h);background:#2ecc711a}.feedback-box.no{color:#b03a2e;background:#e74c3c1a}.feedback-box .ic{vertical-align:-.18em}.result-screen{text-align:center;background:radial-gradient(circle at 30% 30%, #2ecc710f 0, transparent 40%), radial-gradient(circle at 70% 70%, #27ae6014 0, transparent 35%), var(--eco-grid-bg)}.result-icon{color:var(--eco-accent-h);font-size:72px;line-height:1}.result-stars{color:#e0a800;margin:12px 0;font-size:40px}.result-summary{background:var(--eco-card-bg);border:1px solid var(--border);text-align:left;border-radius:16px;width:100%;max-width:440px;margin:16px 0;padding:20px;font-size:15px;line-height:1.8;box-shadow:0 4px 16px #00000008}.result-summary strong{color:var(--eco-accent-h)}.result-summary .ic{color:var(--eco-accent-h);vertical-align:-.18em}.result-actions{justify-content:center;width:100%;max-width:440px}@media (width<=800px){body{overflow:auto}.explore-layout{flex-direction:column;height:auto;min-height:100vh;display:flex}.canvas-zone{z-index:40;flex-shrink:0;height:60vh;min-height:360px;position:sticky;top:0}.canvas-toolbar{flex-wrap:nowrap;gap:6px;bottom:8px;left:8px;right:8px}.canvas-toolbar .sk-btn{flex:1 1 0;gap:4px;min-width:0;padding:0 6px;font-size:13px}.sidebar{border-left:none;border-top:2px solid var(--border);height:auto}.classify-zones{grid-template-columns:repeat(2,1fr);gap:6px;padding-left:8px;padding-right:8px}.classify-box[data-role=decomposer]{grid-column:auto!important}.classify-box-title{font-size:13px}.node-card{width:70px;height:86px}.node-emoji{font-size:24px}.node-name{font-size:13px}.node-card.chip{width:72px;height:36px;padding:2px 4px}.node-card.chip .node-emoji{font-size:18px}.classify-box{gap:4px;padding:4px}.classify-box-title{min-height:26px}.pyramid-container{max-width:320px}.pyramid-tier{min-height:60px;padding:6px}.pyramid-tier[data-tier="4"]{width:60%}.pyramid-tier[data-tier="3"]{width:75%}.pyramid-tier[data-tier="2"]{width:88%}.pyramid-tier-label{min-height:30px;font-size:13px}.pyramid-tier-slots{min-height:40px}.scenario-species-grid{gap:10px}.sc-card{gap:8px;padding:10px}.sc-emoji{font-size:28px}}.pyramid-tier-slots .node-card{width:72px;height:72px;padding:4px}@media (height<=520px){.node-card.chip{height:36px}.classify-box-title{min-height:26px;font-size:13px}.classify-box{gap:4px;padding:4px}}.pyramid-tier-slots .node-emoji{margin-bottom:2px;font-size:24px}@media (width<=800px){.pyramid-tier-slots .node-card{width:62px;height:60px}.pyramid-tier-slots .node-emoji{font-size:20px}}