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var(--surface)}.lesson-emoji{background:var(--surface-2);border-radius:14px;flex:none;place-items:center;width:48px;height:48px;font-size:30px;display:grid}.lesson-body{flex:1;min-width:0;display:grid}.lesson-meta{align-items:center;gap:8px;display:flex}.lesson-tick{color:var(--good);font-weight:900}.lesson-title{margin:10px 0 6px}.lesson-text{color:var(--text-2);font-size:.94rem}.lesson-goal{border-radius:var(--r-sm);background:var(--brand-grad-soft);margin-top:10px;padding:9px 11px;font-size:.9rem;font-weight:650}.lesson-msg{margin-top:8px;font-weight:700}.lesson-msg.is-good{color:var(--good)}.lesson-msg.is-bad{color:var(--warn)}.lesson-hint{color:var(--text-2);margin-top:8px;font-size:.9rem}.lesson-complete{text-align:center;place-items:center;gap:8px;padding:50px 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var(--ease-out);align-items:center;gap:12px;margin:0 0 16px;padding:12px 16px;display:flex}.resume-card:hover{transform:translateY(-2px)}.resume-emoji{font-size:28px;line-height:1}.resume-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.resume-go{color:var(--orange-dark);font-size:20px}.puzzle-themes{flex-wrap:wrap;gap:8px;margin:0 0 14px;display:flex}.theme-chip{border:2px solid var(--line);background:var(--surface);color:inherit;transition:transform var(--dur-fast) var(--ease-out), border-color var(--dur) var(--ease);border-radius:999px;padding:8px 14px;font-size:15px;font-weight:700}.theme-chip:hover{transform:translateY(-1px)}.theme-chip.is-on{border-color:var(--orange);background:var(--orange);color:var(--on-brand)}.sprint-chip{border-color:var(--green);margin-left:auto}.sprint-hud{font-variant-numeric:tabular-nums;align-items:center;gap:12px;font-size:18px;font-weight:800;display:flex}.sprint-time.is-low{color:var(--bad);animation:1s ease-in-out infinite sprint-pulse}@keyframes sprint-pulse{50%{transform:scale(1.12)}}.sprint-intro,.sprint-result{text-align:center;justify-items:center;gap:10px;display:grid}.sprint-intro{max-width:460px;margin:24px auto}.sprint-big{font-size:56px;line-height:1}@media (prefers-reduced-motion:reduce){.sprint-time.is-low{animation:none}}body{background-image:radial-gradient(circle at 8% 4%, #ffe9a8 0, transparent 30%), radial-gradient(circle at 96% 12%, #ffd3e6 0, transparent 26%), radial-gradient(circle at 20% 96%, #cdeffd 0, transparent 34%), radial-gradient(circle at 90% 88%, #dcf5c9 0, transparent 30%), var(--bg-tint);background-attachment:fixed}:root[data-theme=dark] body{background-image:var(--bg-tint)}.hero-hello{align-items:center;gap:10px;margin-bottom:6px;display:flex}.hero-owl{transform-origin:bottom;font-size:44px;line-height:1;animation:2.4s ease-in-out infinite owl-hop;display:inline-block}@keyframes owl-hop{0%,60%,to{transform:translateY(0)rotate(0)}70%{transform:translateY(-8px)rotate(-6deg)}80%{transform:translateY(0)rotate(4deg)}}.hero-bubble{background:var(--surface);border:2px solid var(--line-strong);box-shadow:var(--shadow-sm);border-radius:18px;padding:8px 14px;font-size:16px;font-weight:800;position:relative}.hero-bubble:before{content:"";background:var(--surface);border-left:2px solid var(--line-strong);border-bottom:2px solid var(--line-strong);width:14px;height:14px;position:absolute;top:50%;left:-9px;transform:translateY(-50%)rotate(45deg)}.hero h1{letter-spacing:-.5px}.hero-piece{animation:2.2s ease-in-out infinite piece-bob}@keyframes piece-bob{50%{transform:translateY(-8px)}}.mode-card{box-shadow:0 7px 0 #00000029, var(--shadow);transition:transform .15s cubic-bezier(.34,1.56,.64,1),box-shadow .15s}.mode-card:hover{transform:translateY(-4px)rotate(-.6deg)}.mode-card:active{box-shadow:0 2px 0 #00000029, var(--shadow-sm);transform:translateY(5px)scale(.98)}.mode-emoji{font-size:40px;animation:2.6s ease-in-out infinite piece-bob;display:inline-block}.mode-card:nth-child(2) .mode-emoji{animation-delay:.3s}.mode-card:nth-child(3) .mode-emoji{animation-delay:.6s}.mode-card:nth-child(4) .mode-emoji{animation-delay:.9s}.mode-card:nth-child(5) .mode-emoji{animation-delay:1.2s}.btn{transition:transform .12s,box-shadow .12s}.btn:active:not(:disabled){transform:translateY(2px)scale(.98)}@media (prefers-reduced-motion:reduce){.hero-owl,.hero-piece,.mode-emoji{animation:none}}.moment-pop{z-index:40;pointer-events:none;color:#fff;white-space:nowrap;border-radius:999px;padding:10px 22px;font-size:clamp(1.6rem,7vw,2.6rem);font-weight:900;animation:1.1s cubic-bezier(.2,1.4,.4,1) forwards moment-pop;position:fixed;top:38%;left:50%;box-shadow:0 8px #0000002e,0 14px 30px #0003}.moment-capture{background:#ff8a3d}.moment-check{background:#e5484d}.moment-mate{background:linear-gradient(135deg,#ffb800,#ff6a3d);font-size:clamp(2rem,9vw,3.4rem);animation-duration:2.2s}@keyframes moment-pop{0%{opacity:0;transform:translate(-50%,-50%)scale(.4)rotate(-8deg)}18%{opacity:1;transform:translate(-50%,-50%)scale(1.08)rotate(3deg)}30%{transform:translate(-50%,-50%)scale(1)rotate(0)}80%{opacity:1;transform:translate(-50%,-50%)scale(1)}to{opacity:0;transform:translate(-50%,-62%)scale(.95)}}@media (prefers-reduced-motion:reduce){.moment-pop{display:none}}@media (orientation:landscape) and (height<=500px){:root{--rail-w:68px;--land-pad-y:8px}.topnav{display:none}.app{padding-bottom:0;padding-left:calc(var(--rail-w) + env(safe-area-inset-left))}.tabbar{width:calc(var(--rail-w) + env(safe-area-inset-left));padding:max(6px, env(safe-area-inset-top)) 5px max(6px, env(safe-area-inset-bottom)) max(5px, env(safe-area-inset-left));border-top:0;border-right:2px solid var(--line);grid-template-columns:1fr;grid-auto-rows:minmax(0,60px);grid-auto-flow:row;align-content:center;display:grid;inset:0 auto 0 0;box-shadow:4px 0 18px #3d5a2a14}.tabbar button{border-radius:12px;gap:1px;min-height:0;padding:2px}.tab-label{font-size:.6rem}:is(.content,.content:has(>.game-screen)){--screen-pad:12px;padding:var(--land-pad-y) max(12px, env(safe-area-inset-right)) 16px 12px}:is(.game-screen,.puzzle-screen:has(.puzzle-board),.lesson-screen:has(.lesson-board)){grid-template-columns:var(--board-size) minmax(0, 1fr);grid-template-rows:repeat(14,auto) 1fr;align-items:start;gap:0 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7px}.theme-chip{padding:5px 11px}}.bot-tier{gap:10px;display:grid}.bot-tier-head{flex-wrap:wrap;align-items:baseline;gap:4px 12px;display:flex}.bot-tier-head h2{margin:0;font-size:1.05rem}.bot-level{color:var(--text-2);opacity:.7;font-size:.7rem;font-weight:800;position:absolute;top:14px;left:50%;transform:translate(-50%)}.bot-for{color:hsl(var(--hue) 55% 40%);font-size:.76rem;font-weight:700}[data-theme=dark] .bot-for{color:hsl(var(--hue) 80% 75%)}.bot-card.is-locked{background:var(--surface-2)}.bot-card.is-locked .bot-emoji,.bot-card.is-locked .bot-name,.bot-card.is-locked .bot-blurb{opacity:.55}.bot-card.is-locked .bot-for{color:var(--text-2)}.bot-card.is-next{border-color:hsl(var(--hue) 80% 55% / .8);box-shadow:0 0 0 2px hsl(var(--hue) 80% 60% / .35)}.bot-card.is-locked .bot-emoji{filter:grayscale(.6)}.bot-lock{font-size:.85em}.screen{--board-size:min(100%, 640px, max(320px, calc(100dvh - 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