:root{--bg: #f6f4ee;--panel: #ffffff;--panel2: #f0ede4;--ink: #1d1a3a;--ink2: #5a5776;--line: #dcd8cc;--red: #e3231f;--green: #0a9a4b;--indigo: #2b2679;--indigo2: #3d38a8;--indigo-soft: #c9c6ff;--sky: #bfe3ff;--sky2: #e8f5ff;--ground: #8fd06a;--ok: #0a9a4b;--bad: #e3231f;--warn: #e8a415;--shadow: 0 10px 30px rgba(43, 38, 121, .1);color-scheme:light dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #15142a;--panel: #1f1d3a;--panel2: #282650;--ink: #f1efff;--ink2: #b3b0d6;--line: #3a3766;--indigo2: #a9a5ff;--sky: #243a63;--sky2: #1a2a4a;--ground: #3d7a3a;--shadow: 0 10px 30px rgba(0, 0, 0, .35)}}:root[data-theme=dark]{--bg: #15142a;--panel: #1f1d3a;--panel2: #282650;--ink: #f1efff;--ink2: #b3b0d6;--line: #3a3766;--indigo2: #a9a5ff;--sky: #243a63;--sky2: #1a2a4a;--ground: #3d7a3a;--shadow: 0 10px 30px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:Nunito,system-ui,sans-serif;font-size:16px;line-height:1.5}h1,h2,h3{font-family:Fredoka,Nunito,sans-serif;text-wrap:balance;margin:0;line-height:1.15}h1{font-size:2rem;font-weight:700}h2{font-size:1.5rem;font-weight:600}h3{font-size:1.1rem;font-weight:600}p{margin:0}button{font:inherit;cursor:pointer;color:inherit}button:focus-visible,[tabindex]:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid var(--indigo2);outline-offset:2px}.wrap{max-width:1200px;margin:0 auto;padding-inline:16px}.muted{color:var(--ink2)}.small{font-size:.9rem}.app{min-height:100vh;display:grid;grid-template-columns:236px minmax(0,1fr)}main{padding:16px 20px 20px;min-width:0}section.screen{display:flex;flex-direction:column;gap:16px;max-width:1200px}section.screen.fit{height:calc(100vh - 36px);gap:10px;max-width:none}.side{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:12px;padding:16px 14px;background:var(--panel);border-right:1px solid var(--line);overflow-y:auto}.brand{display:flex;align-items:center;gap:10px;background:none;border:0;padding:0;color:var(--ink);text-decoration:none;flex-wrap:wrap}.brand img{height:40px;width:auto}.brand b{font-family:Fredoka,sans-serif;font-weight:700;font-size:1.15rem;line-height:1.1}.brand b span{color:var(--red);font-weight:600}.sidenav{display:flex;flex-direction:column;gap:4px}.sidenav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:.92rem;line-height:1.2}.sidenav a span{font-size:1.2rem;line-height:1;width:1.4rem;text-align:center}.sidenav a small{margin-left:auto;font-family:Fredoka;color:var(--ink2);font-size:.72rem;letter-spacing:.08em}.sidenav a:hover{background:var(--panel2)}.sidenav 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var(--line)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.big{font-size:1.35rem;padding:16px 30px;border-radius:16px}input[type=text]{font:inherit;padding:8px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--ink)}label.check{display:flex;gap:6px;align-items:center;font-size:.9rem}.stage{position:relative;overflow:hidden;border-radius:18px;flex:1;min-height:0;max-width:100%;background:linear-gradient(var(--sky2),var(--sky) 46%,var(--ground) 46%);border:1px solid var(--line)}.sun{position:absolute;right:3%;top:5%;width:8%;aspect-ratio:1;border-radius:50%;background:#ffd54a;box-shadow:0 0 40px #ffd54a99;animation:sunspin 12s linear infinite}.cloud{position:absolute;top:14%;left:-25%;width:18%;height:9%;background:#fff;border-radius:999px;opacity:.9;animation:drift 22s linear 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.ic{font-size:2rem;line-height:1}.tile h3{font-size:1.15rem}.tile p{color:var(--ink2);font-size:.92rem}.tile .num{font-family:Fredoka;font-weight:700;color:var(--red);font-size:.8rem;letter-spacing:.1em}.kb{display:flex;flex-direction:column;gap:6px;user-select:none;max-width:100%;overflow-x:auto;padding:12px;background:var(--panel2);border-radius:14px;border:1px solid var(--line)}.kb .r{display:flex;gap:6px;min-width:620px}.key{flex:1 0 0;height:44px;border-radius:8px;background:var(--panel);border:1px solid var(--line);border-bottom-width:3px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;font-family:JetBrains Mono,monospace;position:relative;color:var(--ink);transition:transform .06s;padding:0}.kb.compact{gap:5px;padding:10px}.kb.compact .r{gap:5px}.kb.compact .key{height:36px;font-size:.82rem}.key.lit{outline:3px solid var(--green);background:var(--green)!important;color:#fff;animation:blink 1s infinite}.key.next{outline:3px solid var(--ink);transform:translateY(-3px);animation:blink 1s infinite}.key.next:before{content:"▼";position:absolute;left:50%;top:-17px;transform:translate(-50%);font-size:13px;line-height:1;color:var(--red);animation:bounce .6s ease-in-out infinite;z-index:2}.kb .r:first-child .key.next:before{top:0}.key.down{transform:translateY(2px);border-bottom-width:1px;filter:brightness(.9)}.key.bad{background:var(--red)!important;color:#fff}.key .f{position:absolute;inset:auto 4px 3px auto;width:8px;height:8px;border-radius:50%}.key.bump:after{content:"";position:absolute;left:30%;right:30%;bottom:7px;height:3px;border-radius:2px;background:var(--ink);opacity:.55}.legend{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:.85rem;font-weight:700}.legend span i{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:5px;vertical-align:-1px}.hands{display:flex;justify-content:center;gap:2%;flex-wrap:nowrap}.hands svg{width:300px;max-width:46%;height:auto}.hands.small svg{width:140px}.hands .fg{transition:transform .15s,filter .15s}.hands .fg.on{transform:translateY(-14px);filter:drop-shadow(0 10px 6px rgba(60,25,5,.35))}.hands .lbl{transition:transform .15s}.hands .lbl.on{transform:translateY(-14px)}.btn.small{padding:6px 12px;font-size:.85rem}.fingers .fnote{flex:1 1 260px}.fgrid{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(300px,1fr);gap:10px}.handcard{display:flex;flex-direction:column;gap:4px;min-height:0;padding:6px 12px 0}.handcard .hands{flex:1;min-height:0;align-items:center}.handcard .hands svg{height:100%;width:auto;max-width:49%}.fside{min-height:0;overflow:auto;gap:8px;padding:12px 14px;font-size:.92rem}.fside>p{line-height:1.35}.hometest{display:flex;flex-direction:column;gap:8px;background:linear-gradient(135deg,color-mix(in srgb,var(--indigo) 8%,var(--panel2)),var(--panel2));border:2px solid var(--indigo-soft);border-radius:16px;padding:12px 14px}.hometest h3{font-size:1.15rem;color:var(--indigo2)}.hometest.ok{border-color:var(--ok)}.hometest.ok h3{color:var(--ok)}.hkeys{display:flex;gap:8px;flex-wrap:wrap}.hk{--c: var(--ink);width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-family:JetBrains Mono,monospace;font-weight:700;font-size:1.6rem;border-radius:12px;border:3px solid var(--c);color:var(--c);background:var(--panel);box-shadow:0 4px 0 var(--c);transition:transform .12s}.hk.done{background:var(--c);color:#fff;transform:translateY(3px);box-shadow:0 1px 0 var(--c)}.hk.done:after{content:"✓";font-size:.8rem;margin-left:2px}.hk.next{animation:blink 1s infinite;outline:4px solid color-mix(in srgb,var(--c) 35%,transparent)}.hint.big{font-size:1.15rem}.hint.big i{width:20px;height:20px}.story.small{font-size:.82rem;padding:6px 10px;line-height:1.35}.hint{display:flex;align-items:center;gap:10px;font-weight:700}.hint i{width:16px;height:16px;border-radius:50%;display:inline-block;flex:none}.story{background:var(--panel2);border-left:4px solid var(--green);padding:10px 14px;border-radius:0 12px 12px 0}.story b{color:var(--green)}.story.indigo{border-left-color:var(--indigo)}.story.indigo b{color:var(--indigo2);font-family:JetBrains Mono}.lessonstrip{display:flex;flex-wrap:wrap;gap:6px;flex:none;max-height:calc(3 * 2.15rem + 12px);overflow-y:auto;padding:2px;scrollbar-width:thin}.lesson{flex:none;display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:6px 12px;color:var(--ink);white-space:nowrap;font-size:.85rem}.lesson[aria-pressed=true]{border-color:var(--indigo);background:var(--indigo);color:#fff}.lesson small{color:var(--ink2)}.lesson .done{color:var(--green);font-weight:800}.lesson[aria-pressed=true] .done{color:#c9f5d9}.lcard{flex:1;min-height:0;gap:clamp(6px,1.2vh,12px);padding:clamp(10px,1.6vh,18px) 16px}.lhead{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}.ltitle{display:flex;flex-direction:column;gap:4px}.ltitle h2{font-size:clamp(1.1rem,2.6vh,1.5rem)}.goalpill{color:var(--indigo2);background:color-mix(in srgb,var(--indigo) 10%,var(--panel));text-transform:none;letter-spacing:0}.stats.compact{display:flex;gap:6px;flex-wrap:wrap}.stats.compact .stat{padding:4px 10px;min-width:76px;text-align:center}.stats.compact .stat b{font-size:clamp(1rem,2.4vh,1.4rem)}.stats.compact .stat small{font-size:.6rem}.lbody{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column}.lbody>*{flex:1 0 auto}.typebox{font-family:JetBrains Mono,monospace;font-size:clamp(1rem,2.8vh,2rem);line-height:1.8;background:linear-gradient(160deg,color-mix(in srgb,var(--indigo) 6%,var(--panel)),color-mix(in srgb,var(--green) 8%,var(--panel)));border-radius:16px;padding:clamp(10px,2vh,22px) 24px;letter-spacing:.02em;word-break:break-word;border:2px solid var(--indigo-soft);overflow:auto}.typebox{display:flex;flex-direction:column;justify-content:flex-start}.typebox .tb-inner{white-space:pre-wrap;word-break:break-word}.typebox.short{font-size:clamp(1.4rem,4.2vh,2.4rem);line-height:1.7;justify-content:center;text-align:center}.typebox .sp.cur,.typebox .sp.er{display:inline-block;min-width:.6em}.typebox span{border-radius:3px}.typebox .ok{color:var(--ok)}.typebox .er{color:#fff;background:var(--bad)}.typebox .cur{background:var(--indigo);color:#fff;animation:blink 1s infinite}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}.lessonpage .kb .key{height:clamp(26px,4.4vh,40px)}.lessonpage .hint{font-size:clamp(.9rem,2vh,1.05rem)}.stat{background:var(--panel2);border-radius:12px;padding:10px 12px;border:1px solid var(--line)}.stat b{display:block;font-family:Fredoka;font-size:1.7rem;font-variant-numeric:tabular-nums;line-height:1.1}.stat small{color:var(--ink2);font-weight:700;text-transform:uppercase;letter-spacing:.06em;font-size:.68rem}.stars{font-size:1.6rem;letter-spacing:.1em}.goal{font-size:.85rem;font-weight:800;color:var(--indigo2);background:color-mix(in srgb,var(--indigo) 10%,var(--panel));border:1px solid var(--line);border-radius:10px;padding:6px 10px}.prog{height:8px;background:var(--panel2);border-radius:999px;overflow:hidden;border:1px solid var(--line)}.prog div{height:100%;background:linear-gradient(90deg,var(--green),var(--indigo2));width:0;transition:width .4s}.intro{display:flex;gap:clamp(10px,2vw,22px);align-items:center;flex-wrap:wrap;background:linear-gradient(135deg,color-mix(in srgb,var(--indigo2) 10%,var(--panel)),color-mix(in srgb,var(--green) 8%,var(--panel)));border:2px solid var(--indigo-soft);border-radius:16px;padding:clamp(8px,1.6vh,18px) 18px}.bigkey{width:clamp(64px,13vh,110px);height:clamp(64px,13vh,110px);border:4px solid var(--indigo);border-radius:16px;background:var(--panel);display:flex;align-items:center;justify-content:center;font-family:JetBrains Mono,monospace;font-weight:600;font-size:clamp(1.8rem,7vh,2.8rem);animation:wobble 1.2s ease-in-out infinite}.introtext{flex:1 1 240px;display:flex;flex-direction:column;gap:4px}.intro.ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 8%,var(--panel2))}.intro.ok .bigkey{animation:pop .5s ease-out}.introcmd{display:flex;align-items:center;gap:10px;font-size:clamp(1.1rem,3vh,1.6rem);line-height:1.25}.introcmd .arrow{font-size:1.6em;line-height:1;animation:point .7s ease-in-out infinite}.introcount{flex:0 0 auto;min-width:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:8px 16px;animation:pop .35s ease-out}.introcount b{font-family:Fredoka;font-size:clamp(3rem,11vh,5.5rem);line-height:1;font-variant-numeric:tabular-nums}.introcount small{font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--ink2)}.pill.now{background:var(--indigo);color:#fff;animation:blink 1s infinite}.pill.done{background:var(--ok);color:#fff}.pill.introstep{align-self:center;background:#fff}@keyframes point{0%,to{transform:translate(0);opacity:1}50%{transform:translate(-8px);opacity:.35}}@keyframes pop{0%{transform:scale(.6);opacity:0}60%{transform:scale(1.12);opacity:1}to{transform:scale(1)}}@keyframes bounce{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,-6px)}}.read{background:linear-gradient(135deg,color-mix(in srgb,var(--warn) 16%,var(--panel)),color-mix(in srgb,var(--red) 8%,var(--panel)));border:2px solid color-mix(in srgb,var(--warn) 60%,var(--line));border-radius:16px;padding:clamp(10px,2vh,22px) 24px;display:flex;flex-direction:column;gap:10px}.read h3{color:color-mix(in srgb,var(--red) 70%,var(--ink));font-size:clamp(1.1rem,2.6vh,1.4rem)}.read .story{background:color-mix(in srgb,var(--green) 10%,var(--panel))}.read p{font-size:clamp(1rem,2.4vh,1.4rem);line-height:1.65}.donebox{background:linear-gradient(135deg,color-mix(in srgb,var(--green) 12%,var(--panel)),color-mix(in srgb,var(--warn) 12%,var(--panel)));border:2px solid color-mix(in srgb,var(--green) 50%,var(--line));border-radius:16px;padding:12px 18px;justify-content:center}.gamewrap{position:relative}canvas.game{width:100%;height:auto;border-radius:14px;display:block;border:1px solid var(--line);background:#fffdf6}.hud{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px}.overlay{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;background:#1412328c;border-radius:14px;color:#fff;text-align:center;padding:16px}.overlay h2{color:#fff;font-size:2rem}.slider{display:flex;align-items:center;gap:10px;font-weight:700;flex-wrap:wrap}.slider input[type=range]{width:180px;max-width:50vw;accent-color:var(--red)}.slider output{font-family:Fredoka;font-size:1.3rem;min-width:2ch;text-align:center}.gcard{flex:1;min-height:0;gap:clamp(6px,1.2vh,12px);padding:clamp(10px,1.6vh,18px) 16px}.gamewrap{flex:1;min-height:0;display:flex;justify-content:center}.gamepage canvas.game{height:100%;width:auto;max-width:100%}.blindwrap{align-items:stretch}.blindbox{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:10px;border-radius:16px;border:2px solid var(--indigo-soft);background:linear-gradient(160deg,color-mix(in srgb,var(--indigo) 8%,var(--panel)),color-mix(in srgb,var(--warn) 10%,var(--panel)));padding:20px;text-align:center}.blindbox.speaking{border-color:var(--green)}.blindbox .ear{font-size:clamp(1.6rem,5vh,2.6rem);line-height:1}.blindbox.speaking .ear{animation:pulse .9s ease-in-out infinite}.blindtyped{font-family:JetBrains Mono,monospace;font-size:clamp(1rem,2.6vh,1.6rem);line-height:1.9;word-break:break-word;max-width:100%;text-align:left;overflow:auto;flex:1;min-height:0;width:100%;padding:4px 8px}.blindtyped .chunk.done{color:var(--ok);opacity:.75}.blindtyped .chunk.todo{color:var(--ink2);opacity:.55}.blindtyped .chunk.now{background:color-mix(in srgb,var(--warn) 22%,var(--panel));border-radius:6px;box-shadow:0 0 0 3px color-mix(in srgb,var(--warn) 22%,var(--panel));font-weight:700}.blindtyped .vn{font-size:.6em;color:var(--indigo2);margin-right:.4em;font-family:Nunito,sans-serif}.blindtyped .wok{color:var(--ok)}.blindtyped .wcur{text-decoration:underline 3px var(--indigo2);text-underline-offset:4px;color:var(--indigo2)}.blindbuf{display:flex;align-items:center;gap:14px;flex-wrap:wrap;width:100%;padding:8px 12px;border-top:1px dashed var(--line)}.blindbuf .ear{font-size:1.8rem;line-height:1}.blindbuf .buf{font-family:JetBrains Mono,monospace;font-size:clamp(1.3rem,3.6vh,2rem);font-weight:700;min-width:8ch}.blindbuf .buf i{font-style:normal}.blindbuf .buf .ok{color:var(--ok)}.blindbuf .buf .er{color:#fff;background:var(--bad);border-radius:4px}.blindbuf .buf .cur{color:var(--indigo2);animation:blink 1s infinite}.blindbox.help{border-color:var(--bad)}.blindbox.help .blindbuf{background:color-mix(in srgb,var(--bad) 8%,var(--panel))}.blindtyped .ok{color:var(--ok)}.blindtyped .er{color:#fff;background:var(--bad);border-radius:4px}.blindtyped .cur{background:var(--indigo);color:#fff;border-radius:4px;animation:blink 1s infinite}kbd{font-family:JetBrains Mono,monospace;font-size:.75em;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:1px 5px;background:var(--panel2)}@keyframes pulse{50%{transform:scale(1.12)}}.tablewrap{overflow-x:auto}.stats-table td,.stats-table th{white-space:nowrap}.stats-table tr.detail 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.key.next:before{top:-17px}.padlegend{list-style:none;margin:0;padding:0;display:grid;gap:4px;font-size:clamp(.8rem,1.8vh,.95rem)}.padlegend li{display:flex;align-items:center;gap:8px}.padlegend i{width:12px;height:12px;border-radius:50%;flex:none}.padlegend b{min-width:9.5em}.padlegend span{font-family:JetBrains Mono,monospace;font-weight:800;letter-spacing:.05em}.typebox .ent{opacity:.55;margin-right:.45em}.typebox .ent.cur,.typebox .ent.er{opacity:1}.lmain,.lcol{flex:1;min-height:0;display:flex;flex-direction:column;gap:clamp(6px,1.2vh,12px)}.lmain.withpad{flex-direction:row;align-items:stretch;gap:clamp(12px,2vw,24px)}.lmain.withpad .lcol{min-width:0}.lmain.withpad .padwrap{flex:none;flex-direction:column;justify-content:center;gap:12px}.lhud{flex:1 1 520px;max-width:780px;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.lhud .mstat{padding:clamp(4px,.8vh,8px) 10px;column-gap:8px;box-shadow:0 3px color-mix(in srgb,var(--c) 35%,transparent)}.lhud .mstat 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