:root{--ink:#263e45;--green:#187b65;--yellow:#ffce69;--line:#dce8dd;--cream:#fffaf0}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:'Trebuchet MS',Arial,sans-serif;background:radial-gradient(ellipse at 10% 0%,#def0e6,transparent 44%),radial-gradient(ellipse at 95% 35%,#ffefd2,transparent 43%),#fffcf5;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer;color:var(--ink);font-weight:800;border:1px solid var(--line);background:#edf4ef;border-radius:14px;min-height:46px;padding:12px 18px;transition:transform .15s}button:hover:not(:disabled){transform:translateY(-2px)}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:4px solid #e7a63d;outline-offset:4px}[hidden]{display:none!important}header{max-width:1160px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px}.brand{text-decoration:none;color:var(--green);display:flex;gap:12px;align-items:center;font-size:24px;font-weight:900;letter-spacing:-1px}.brand small{display:block;font-size:10px;letter-spacing:2px;margin-top:5px;color:#698379}.brand-wheel{display:grid;place-items:center;width:49px;height:49px;border-radius:50%;background:conic-gradient(#f4c868 0 90deg,#72bca6 90deg 180deg,#92b6d8 180deg 270deg,#e2a8bd 270deg);border:4px solid white;box-shadow:0 0 0 2px #187b65;color:white;font-size:28px}.tools{display:flex;align-items:center;gap:8px}.tools button{background:white;font-size:13px;padding:10px 13px}.total{font-weight:bold;color:#7b601e;background:#fff0c4;padding:12px 17px;border-radius:14px}main{max-width:1100px;margin:auto;padding:0 24px 30px}h1,h2,p{margin-top:0}h1{font-size:clamp(30px,4vw,46px);letter-spacing:-1.5px;line-height:1.12}h2{font-size:23px;letter-spacing:-.5px}p{line-height:1.5}.hero{text-align:center;padding:40px 0 26px}.hero h1{font-size:clamp(36px,5vw,61px);margin:12px 0 18px}.hero h1 span{color:var(--green)}.hero p:not(.eyebrow){color:#688078;font-size:18px}.eyebrow{font-size:11px;color:#967333;letter-spacing:2px;font-weight:900;margin-bottom:12px}.hero-tags{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.hero-tags span{padding:8px 14px;border:1px solid var(--line);border-radius:30px;background:#ffffff9c;font-size:13px;font-weight:700}.card{background:linear-gradient(145deg,#fff,#fffdf6);border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:0 6px 0 #e5eadc,0 12px 28px #345e4910}.welcome{max-width:800px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:30px}.badge{display:inline-block;font-size:10px;font-weight:900;letter-spacing:1.5px;color:#187b65;background:#e6f3eb;padding:8px 12px;border-radius:8px;margin-bottom:12px}.welcome h2{margin:2px 0 18px}label{display:block;font-size:14px;font-weight:bold}label small{font-weight:normal;color:#6d8279}input,textarea,select{background:white;border:2px solid #dce8dd;border-radius:12px;padding:12px;max-width:100%;color:var(--ink)}input{width:100%;margin:8px 0 18px}.muted{color:#74867f;font-size:13px;line-height:1.5}.avatars{display:flex;gap:9px}.avatar{width:62px;height:68px;padding:4px;background:#f7f9f2;border:2px solid #e2e9df}.avatar svg{height:100%;width:100%}.avatar.selected{border-color:var(--green);background:#e0f1e9;box-shadow:0 3px 0 #187b65}.welcome-art{text-align:center;padding-top:8px}.welcome-art svg{width:156px;height:165px}.welcome-art p{font-size:13px;color:#72847b;margin:0 0 15px}.primary{background:linear-gradient(#278f7a,#187b65);border-color:#187b65;color:white;box-shadow:0 4px 0 #105947}.note{text-align:center;margin:26px 0;color:#809086;font-size:13px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:30px 0 24px}.section-head h1{margin-bottom:8px}.section-head p:last-child{color:#74867f}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}.topic-card{padding:20px;text-align:left;background:#fff;box-shadow:0 4px 0 #e3e8db;border:2px solid #e4eadf;border-radius:20px}.topic-card.active{border-color:#187b65;background:#eef8f2}.topic-card .art{display:block;text-align:center;border-radius:15px;background:var(--tile);margin-bottom:16px}.topic-card svg{width:85px;height:92px}.topic-card strong{display:block;font-size:20px;margin:5px 0}.topic-card small{font-size:12px;color:#75867e}.topic-card .count{font-size:11px;font-weight:900;letter-spacing:1px}.mode-panel{display:grid;grid-template-columns:1fr 1.65fr;gap:35px}.selection{border-right:1px solid var(--line);padding-right:30px}.selection p{font-size:14px;color:#78887f}.chips{display:flex;flex-wrap:wrap;gap:6px;margin:15px 0 24px}.chips button{font-size:12px;padding:9px 12px;min-height:38px;background:#fff}.chips button.active{background:#187b65;color:white}.level-label{font-size:12px;color:#718177}select{display:block;width:100%;font-size:13px;margin-top:8px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mode{background:#f4f8f3;padding:18px;text-align:left;min-height:130px;border-radius:17px}.mode .icon{font-size:26px;display:block;margin-bottom:10px}.mode strong{display:block;font-size:16px}.mode small{display:block;color:#74857c;font-weight:normal;font-size:12px;margin-top:6px;line-height:1.4}.mode .stars{color:#b67f21;font-size:14px;margin-top:8px;display:block}.game-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:24px 0 18px}.game-head div:nth-child(2){text-align:center}.game-head h1{font-size:30px;margin:0}.game-head .badge{margin-bottom:8px}.pill{padding:10px 14px;background:#e7f3ec;border-radius:20px;font-weight:bold;font-size:13px}.progress{height:8px;border-radius:20px;background:#e6ede1;overflow:hidden;margin-bottom:26px}.progress div{height:100%;background:#54aa8c;transition:width .3s}.play-layout{display:grid;grid-template-columns:.9fr 1.2fr;gap:24px}.play-layout.no-wheel{display:block;max-width:740px;margin:auto}.wheel-panel{text-align:center}.wheel-panel p{font-size:14px;color:#7b8b80}.wheel-wrap{width:270px;height:270px;position:relative;margin:28px auto}.wheel{width:100%;height:100%;position:relative;border:8px solid white;border-radius:50%;box-shadow:0 0 0 4px #288b73,0 9px 0 4px #216951,0 16px 22px #294c3620;transition:transform 1.2s cubic-bezier(.15,.65,.15,1)}.wheel svg{position:absolute;width:47px;height:51px;left:calc(50% - 23.5px);top:calc(50% - 25.5px)}.pointer{position:absolute;top:-14px;left:calc(50% - 13px);border-left:13px solid transparent;border-right:13px solid transparent;border-top:29px solid #334c47;z-index:2}.hub{position:absolute;inset:calc(50% - 24px) auto auto calc(50% - 24px);width:48px;height:48px;display:grid;place-items:center;background:white;border:4px solid #328b72;border-radius:50%;font-size:24px;color:#328b72}.wheel-panel .primary{width:170px;font-size:22px;letter-spacing:2px}.question{text-align:center;position:relative;overflow:hidden;min-width:0}.clue{display:grid;place-items:center;width:180px;height:175px;border-radius:25px;background:radial-gradient(#fff,#eef5e9);margin:auto}.clue svg{width:150px;height:158px}.clue .question-mark{font-size:78px;color:#78aa9c}.listen{background:#eaf2fa;color:#447290;margin:12px 0 0}.slots{display:flex;flex-wrap:wrap;justify-content:center;gap:5px;min-height:58px;margin:12px auto 20px;max-width:100%}.word-group{display:flex;gap:5px;align-items:center;margin:3px 4px;max-width:100%}.slot{width:39px;min-height:48px;font-size:23px;padding:4px;background:#f4faf5;border:2px dashed #bed6c8;border-radius:9px}.slot.filled{border-style:solid;background:#e7f3ea}.slot.fixed{background:#edf0e6}.separator{font-size:22px;margin:0 2px}.letters{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:12px auto 22px;max-width:500px}.letter{width:44px;font-size:25px;padding:7px;background:linear-gradient(#ffedbd,#ffdc87);border-color:#edc876;box-shadow:0 3px 0 #d3ae59}.choices{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:470px;margin:18px auto}.choice{background:#f4f7ef;position:relative;padding:12px}.choice svg{width:100px;height:106px}.choice .choice-num{position:absolute;top:7px;left:9px;color:#7f9388;font-size:11px}.choice.wrong{border:2px solid #d88f76;opacity:.6}.answer-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.answer-actions button{font-size:13px}.feedback{font-size:17px;font-weight:bold;min-height:48px;display:grid;place-items:center;margin:18px 0 8px}.feedback.good{color:#187b65}.feedback.retry{color:#a35e37}.celebration{pointer-events:none;position:absolute;left:calc(50% - 60px);top:45px;font-size:120px;color:#ffcc4f;text-shadow:0 5px 0 #d29422;opacity:0}.celebration.show{animation:star 1.4s ease-out}@keyframes star{0%{opacity:0;transform:scale(.1) rotate(-20deg)}30%,65%{opacity:1;transform:scale(1) rotate(0)}100%{opacity:0;transform:scale(1.2) translateY(-20px)}}.result-card{text-align:center;max-width:720px;margin:35px auto;padding:40px}.result-stars{font-size:65px;letter-spacing:8px;color:#e4aa37;margin:18px}.result-numbers{display:flex;justify-content:center;gap:42px;margin:28px}.result-numbers strong{display:block;font-size:36px;color:#187b65}.result-numbers span{font-size:12px;color:#798b80}.result-card p{color:#75887c}.teacher{box-shadow:none;margin-top:22px;padding:18px 22px;border-radius:17px}.teacher summary{cursor:pointer;font-weight:bold;font-size:13px;color:#637d70}.teacher p{font-size:13px;color:#71857a;margin-top:18px}.teacher label{margin:20px 0;font-size:12px}.teacher textarea{display:block;width:100%;min-height:90px;margin-top:8px;font-size:14px}footer{text-align:center;color:#8a988d;font-size:11px;padding:28px 0 0}
@media(max-width:800px){.topic-grid{grid-template-columns:1fr 1fr}.mode-panel{grid-template-columns:1fr}.selection{border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px}.play-layout{grid-template-columns:1fr}.wheel-wrap{width:250px;height:250px}.wheel-panel{padding-bottom:22px}.wheel-panel h2{margin-bottom:8px}.wheel-panel p{margin-bottom:4px}.wheel-wrap{margin:20px auto}.welcome{gap:20px}.card{padding:23px}.game-head h1{font-size:24px}}
@media(max-width:520px){header{padding:18px 15px;flex-wrap:wrap;justify-content:center}.brand{font-size:22px}.tools{justify-content:center}main{padding:0 14px 24px}.hero{padding:28px 0 22px}.hero h1{font-size:39px}.hero .eyebrow{font-size:9px}.hero p:not(.eyebrow){font-size:15px}.welcome{grid-template-columns:1fr}.welcome-art{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:15px}.welcome-art svg{width:93px;height:100px}.welcome-art p{display:none}.avatars{justify-content:center}.section-head{align-items:flex-start}.section-head h1{font-size:29px}.section-head button{font-size:11px;padding:10px}.topic-grid{gap:12px}.topic-card{padding:15px}.topic-card strong{font-size:18px}.topic-card svg{width:72px;height:80px}.mode{padding:14px}.mode strong{font-size:14px}.game-head{gap:6px;flex-wrap:wrap}.game-head button{font-size:11px;padding:10px}.game-head h1{font-size:20px}.game-head .badge{font-size:8px}.pill{font-size:11px;padding:9px}.slot{width:clamp(21px,6vw,30px);min-height:43px;font-size:20px}.word-group{gap:3px;margin:3px 0}.slots{gap:3px}.letter{width:40px;font-size:23px}.result-card{padding:26px 18px}.result-stars{font-size:50px}.result-numbers{gap:24px}.clue{width:165px;height:160px}.clue svg{height:145px;width:140px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}.celebration.show{opacity:1}.celebration.show{display:none}}
/* A cheerful, spacious classroom world; clear cards keep the task readable. */
body{background:#e9f7f4 url('/scene.svg') center center/cover fixed no-repeat}.card{background:linear-gradient(150deg,#fff,#fffef8);border:2px solid #dbe9df;box-shadow:0 6px 0 #c9ddc8,0 14px 28px #345e4912}.hero-tags span{background:#ffffffd9;border-color:#d1e6da}.hero h1{color:#264951;text-shadow:0 3px 0 #ffffffc4}.hero h1 span{color:#16806d}.hero .eyebrow{background:#fff4d4;display:inline-block;padding:9px 15px;border-radius:24px;color:#866429}.brand{color:#197966}.tools button{border:2px solid #d3e5da}.total{background:#ffe49a;box-shadow:0 3px 0 #d8b66a}.topic-card{background:#fffefa;border-color:#d6e5db;box-shadow:0 5px 0 #c9ddc8}.topic-card.active{background:#ebfff2;border-color:#218e70}.topic-card .art{background:radial-gradient(#fff,var(--tile));border:1px solid #e5ece0}.topic-card svg{width:100px;height:108px}.clue{width:230px;height:225px;background:radial-gradient(ellipse at 40% 30%,#fff 30%,#e8f7ee 100%);border:2px solid #dceddf;box-shadow:inset 0 2px 0 white,0 5px 0 #e1eee1}.clue svg{width:203px;height:213px}.choice{background:radial-gradient(#fff,#edf7ed);border:2px solid #dcecdf;box-shadow:0 4px 0 #dfebdd}.choice svg{width:126px;height:136px}.choice:hover:not(:disabled){border-color:#41a17d;background:#f4fff6}.choice.wrong{border-color:#d88f76}.wheel svg{width:52px;height:57px;left:calc(50% - 26px);top:calc(50% - 28.5px)}.welcome-art svg{width:175px;height:185px}.avatar{background:linear-gradient(#fff,#e9f7eb)}.mode{border:2px solid #dceadf;background:#f2faf3}.mode:nth-child(2){background:#edf6ff;border-color:#d4e6f4}.mode:nth-child(3){background:#fff6df;border-color:#eee1b6}.mode:nth-child(4){background:#f5eefe;border-color:#e3d8f1}.mode .icon{color:#34866e}.mode:nth-child(2) .icon{color:#527fa8}.mode:nth-child(3) .icon{color:#ba9145}.mode:nth-child(4) .icon{color:#9871be}.teacher{background:#fffffff0;box-shadow:none}.note{color:#527762}.primary{background:linear-gradient(#32a082,#188367);border-color:#187b65}.clue .question-mark{color:#4c9e88}
@media(max-width:520px){body{background-position:65% center}.topic-card svg{width:85px;height:94px}.clue{width:206px;height:201px}.clue svg{width:181px;height:191px}.choice svg{width:108px;height:116px}.choice{padding:10px 6px}.welcome-art svg{width:108px;height:115px}.hero .eyebrow{font-size:8px;letter-spacing:1.3px;padding:9px 11px}}