:root{--group-grain:#e74c3c;--group-protein:#e67e22;--group-vegetable:#27ae60;--group-fruit:#9b59b6;--group-dairy:#3498db;--group-oil:#f1c40f;--group-water:#1abc9c;--fb-accent:#2e7d32;--fb-accent-h:#1b5e20;--fb-sidebar-w:320px;--fb-grid-bg:#f5f6fa;--fb-card-bg:#fff;--bike-s:1;--sk-accent:var(--fb-accent)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--fb-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 15% 20%, #2e7d320f 0, transparent 40%), radial-gradient(circle at 85% 85%, #1abc9c0d 0, transparent 35%), var(--fb-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(--fb-card-bg);border:2px dashed var(--fb-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(--fb-accent);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 var(--fb-sidebar-w);width:100%;height:100%;display:grid}.canvas-zone{background:var(--fb-grid-bg);flex-direction:column;display:flex;position:relative;overflow:hidden}.canvas-viewport{width:100%;height:100%;min-height:0;padding:calc(var(--sk-stage-top) - 4px) 16px 14px;flex-direction:column;flex:1;align-items:center;gap:8px;display:flex;position:relative}.canvas-header{z-index:3;flex-shrink:0;justify-content:flex-start;align-items:center;width:100%;display:flex}.canvas-title-badge{color:#fff;background:#263238e0;border-radius:14px;align-items:center;gap:8px;min-height:36px;padding:6px 14px;font-size:14px;font-weight:700;display:flex}.canvas-title-badge .num{background:var(--fb-accent);border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:13px;display:inline-flex}.bike-box{border-radius:16px;flex:auto;width:100%;min-height:90px;position:relative;overflow:hidden}.road-bg{width:200%;height:calc(var(--bike-s) * 24px + 6px);z-index:0;background-color:#34495e;border-top:4px solid #7f8c8d;position:absolute;bottom:0;left:0;transform:translate(0)}.road-bg:after{content:"";opacity:.6;background:repeating-linear-gradient(90deg,#fff 0 30px,#0000 30px 60px);width:100%;height:4px;position:absolute;top:50%;left:0}.road-bg.moving{animation:2s linear infinite moveRoad}@keyframes moveRoad{0%{transform:translate(0)}to{transform:translate(-80px)}}.bike-rider-stage{z-index:2;width:340px;height:220px;transform:translateX(-50%) scale(var(--bike-s));transform-origin:50% 100%;position:absolute;bottom:4px;left:50%}.bike-body-svg{width:100%;height:100%;position:absolute;inset:0}.bike-body-svg [hidden]{display:none}.front-wheel{border:4px solid var(--fg);z-index:2;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:76px;height:76px;transition:all .3s;display:flex;position:absolute;bottom:20px;right:40px}.front-wheel.spinning{animation:.6s linear infinite spin}.front-wheel.flat{border-radius:50% 50% 40% 40%;bottom:10px;transform:scaleY(.75)}.water-gauge{background:var(--group-water);opacity:.65;border-radius:50%;width:100%;height:0%;transition:height .4s;position:absolute;bottom:0}.rear-wheel{border:5px solid var(--fg);background:var(--bg-sec);z-index:2;border-radius:50%;width:110px;height:110px;transition:all .3s;position:absolute;bottom:20px;left:40px;overflow:hidden}.rear-wheel.spinning{animation:.8s linear infinite spin}.rear-wheel.wobbling{animation:.4s ease-in-out infinite alternate wobbleWheel}@keyframes wobbleWheel{0%{transform:translateY(0)rotate(0)}to{transform:translateY(-3px)rotate(5deg)}}.rear-wheel-svg{width:100%;height:100%}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.bike-luggage{z-index:1;flex-direction:column-reverse;gap:2px;display:flex;position:absolute;bottom:120px;left:30px}.luggage-box{border:2px solid var(--fg);color:#fff;background:#d35400;border-radius:4px;justify-content:center;align-items:center;width:48px;height:28px;font-size:16px;font-weight:800;animation:.25s popIn;display:flex}.run-status-banner{color:#fff;text-align:center;background:#37474f;border-radius:18px;flex-shrink:0;align-items:center;gap:6px;max-width:100%;padding:6px 14px;font-size:14px;font-weight:800;line-height:1.35;display:flex;box-shadow:0 4px 12px #0000001a}.run-status-banner .ic{flex-shrink:0}.run-status-banner[data-state=stop]{background:#c0392b}.run-status-banner[data-state=wobble]{background:#b85c0f}.run-status-banner[data-state=heavy]{background:#2c3e50}.run-status-banner[data-state=go]{background:#2e7d32}.run-status-banner[data-state=idle]{background:#546e7a}.plate-zone{background:var(--fb-card-bg);border:4px double var(--border);z-index:2;border-radius:24px;flex-shrink:0;width:100%;max-width:520px;padding:12px 14px;position:relative;box-shadow:0 10px 30px #0000000a}.plate-title{color:var(--fg-muted);text-align:center;justify-content:center;align-items:center;gap:6px;margin-bottom:8px;font-size:14px;font-weight:800;display:flex}.plate-slots{background:#00000005;border-radius:12px;flex-wrap:wrap;justify-content:center;gap:8px;min-height:64px;max-height:148px;padding:8px;display:flex;overflow-y:auto}.plate-slot-empty{color:var(--fg-muted);align-self:center;font-size:14px;font-weight:700}.food-card{border:2px solid var(--border);background:var(--fb-card-bg);min-height:40px;color:var(--fg);cursor:pointer;user-select:none;border-radius:10px;align-items:center;gap:6px;padding:6px 10px;font-family:inherit;font-size:14px;font-weight:700;transition:all .15s;display:inline-flex;box-shadow:0 4px 10px #00000005}.food-card:hover{border-color:var(--fb-accent)}.food-card.active{border-color:var(--fb-accent);background:#2e7d320d}.food-card.static{cursor:default}.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(--fb-accent) 0%, var(--fb-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(--fb-accent);color:var(--fb-accent);background:#2e7d321a}.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-nav{justify-content:center;gap:8px;margin-top:10px;display:flex}.mission-exit,.m4-view{margin-top:10px}.m4-choices{flex-direction:column;gap:8px;margin-top:12px;display:flex}.m4-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:flex-start;gap:8px;padding:8px 12px;font-size:14px;font-weight:700;line-height:1.45;display:flex}.m4-choice .no{color:var(--fb-accent);flex-shrink:0;font-weight:900}.m4-choice:hover{border-color:var(--fb-accent)}.m4-choice.selected{border-color:var(--fb-accent);background:#2e7d321f}.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(--fb-accent-h);background:#2e7d321a}.feedback-box.no{color:#b03a2e;background:#e74c3c1a}.feedback-box .ic{vertical-align:-.18em}.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-tabs{gap:4px;margin-bottom:6px;padding-bottom:4px;display:flex;overflow-x:auto}.palette-tab{border:1px solid var(--border);background:var(--bg-sec);min-height:40px;color:var(--fg);font:inherit;cursor:pointer;white-space:nowrap;border-radius:8px;padding:4px 10px;font-size:13px;font-weight:700}.palette-tab.active{background:var(--fg);color:var(--bg);border-color:var(--fg)}.palette-grid{grid-template-columns:repeat(2,1fr);gap:6px;padding-right:4px;display:grid;overflow-y:auto}.palette-item{border:1px solid var(--border);background:var(--bg-sec);min-height:44px;color:var(--fg);text-align:center;cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:8px;font-family:inherit;font-size:14px;font-weight:700;display:flex}.palette-item.placed{border-color:var(--fb-accent);background:#2e7d320d}.palette-item.picked{outline:3px solid var(--fb-accent);outline-offset:1px}.classify-box-container{grid-template-columns:1fr 1fr;gap:8px;width:100%;margin-bottom:12px;display:grid}.classify-basket{border:2px dashed var(--border);background:var(--bg-sec);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:6px;min-height:70px;padding:8px;transition:all .2s;display:flex}.classify-basket.drag-over{border-color:var(--fb-accent);background:#2e7d320d}.classify-basket-title{font:inherit;text-align:center;color:var(--fg);cursor:pointer;word-break:keep-all;background:0 0;border:none;border-radius:8px;width:100%;min-height:40px;font-size:13px;font-weight:800;line-height:1.3}.action-panel{flex-direction:column;flex-shrink:0;gap:6px;margin-bottom:14px;display:flex}.trivia-zone{flex-direction:column;flex:1;gap:12px;display:flex;overflow-y:auto}.trivia-card{border:1px solid var(--border);background:var(--bg-sec);border-radius:14px;padding:16px}.trivia-card h4{color:var(--fb-accent);align-items:center;gap:6px;margin-bottom:6px;font-size:15px;font-weight:800;display:flex}.trivia-card p{color:var(--fg-muted);font-size:14px;line-height:1.6}.result-screen{text-align:center;background:radial-gradient(circle at 30% 30%, #2e7d320f 0, transparent 40%), radial-gradient(circle at 70% 70%, #1abc9c14 0, transparent 35%), var(--fb-grid-bg)}.result-icon{color:var(--fb-accent);font-size:72px;line-height:1}.result-stars{color:#e0a800;margin:12px 0;font-size:40px}.result-summary{background:var(--fb-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(--fb-accent)}.result-summary .ic{color:var(--fb-accent);vertical-align:-.18em}.result-actions{justify-content:center;width:100%;max-width:440px}@media (height<=520px){.canvas-viewport{gap:6px;padding-bottom:8px}.plate-zone{border-width:3px;border-radius:16px;padding:6px 10px}.plate-title{margin-bottom:4px;font-size:13px}.plate-slots{min-height:48px;max-height:56px;padding:4px}.run-status-banner{padding:4px 12px;font-size:13px}}@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:380px;position:sticky;top:0}.canvas-viewport{gap:6px;padding-bottom:8px;padding-left:8px;padding-right:8px}.plate-zone{border-radius:18px;padding:8px 10px}.plate-title{margin-bottom:6px;font-size:13px}.plate-slots{gap:6px;min-height:48px;max-height:100px;padding:6px}.food-card{min-height:36px;padding:4px 8px;font-size:13px}.run-status-banner{padding:5px 12px;font-size:13px}.sidebar{border-left:none;border-top:2px solid var(--border);height:auto}}