:root{font-family:ui-rounded,'Arial Rounded MT Bold','Apple SD Gothic Neo','Malgun Gothic',system-ui,sans-serif;color:#223e40;background:#f4f8f9;font-synthesis:none;--green:#137e71;--dark:#223e40;--yellow:#ffe47b;--muted:#687f80}*{box-sizing:border-box}body{margin:0}button{font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #006fcb;outline-offset:4px}button{touch-action:manipulation}h1,h2,h3,p{margin:0}button svg{width:24px;height:24px;flex-shrink:0}button:active:not(:disabled){transform:translateY(2px)}.shell{max-width:1060px;margin:auto;padding:28px 32px 40px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:900;letter-spacing:-.8px}.brand-mark{display:grid;place-items:center;border-radius:12px;background:var(--green);color:var(--yellow);width:38px;height:38px;font:bold 23px Arial;transform:rotate(-7deg)}.pill{border:1px solid #dce8e7;background:white;border-radius:30px;display:flex;align-items:center;justify-content:center;gap:7px;padding:11px 16px;font-size:14px;font-weight:800;min-height:46px;color:var(--dark)}.hero{display:flex;align-items:center;justify-content:space-between;position:relative;margin:28px 0;background:#def0eb;border-radius:30px;padding:30px 34px;overflow:hidden;min-height:218px}.eyebrow{color:#147a6c;font-weight:850;font-size:13px;letter-spacing:2px;margin-bottom:12px}.hero h1{font-size:35px;letter-spacing:-1.5px;line-height:1.3;margin-bottom:12px}.hero p{font-size:16px;color:#516d6c;line-height:1.6}.hero img{width:230px;height:210px;object-fit:contain;margin:-20px -5px -20px 5px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin:25px 0 16px;gap:12px}.section-heading h2{font-size:21px;letter-spacing:-.7px}.section-heading span{font-size:13px;color:var(--muted)}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic{background:white;text-align:left;border:1px solid #e1e9e9;border-radius:22px;padding:19px;position:relative;color:var(--dark);box-shadow:0 4px 0 #e8eeee;transition:transform .15s,box-shadow .15s;min-height:172px}.topic:hover{transform:translateY(-3px);box-shadow:0 7px 0 #e1e9e9}.topic-icon{width:55px;height:55px;display:grid;place-items:center;background:var(--topic);border-radius:18px;font-size:32px;margin-bottom:14px}.topic h3{font-size:19px;letter-spacing:-.6px}.topic .en{font-size:12px;color:#718586;margin-top:4px;font-family:Arial,sans-serif}.topic-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:12px;color:#758687}.dots{display:flex;gap:4px}.dots i{display:block;height:7px;width:7px;background:#e7eded;border-radius:50%}.dots i.done{background:#198777}.topic .badge{position:absolute;right:17px;top:17px;font-size:20px}.footnote{text-align:center;font-size:12px;line-height:1.7;color:#77898a;margin-top:28px}.resume{background:#fff1bf;border:0;border-radius:17px;padding:15px 20px;margin-bottom:16px;width:100%;display:flex;align-items:center;justify-content:space-between;font-weight:800;color:#5b4b20;gap:10px}.resume span:last-child{font-size:13px}.back{border:1px solid #dce7e6;background:#fff;border-radius:16px;width:48px;height:48px;display:grid;place-items:center;color:var(--dark);flex-shrink:0}.page-title{font-size:18px;font-weight:850;flex:1;text-align:center}.sub-shell{max-width:650px}.sub-hero{text-align:center;padding:30px 0 22px}.big-topic-icon{background:var(--topic);border-radius:27px;width:96px;height:96px;display:grid;place-items:center;font-size:54px;margin:0 auto 18px}.sub-hero h1{font-size:30px;letter-spacing:-1px}.sub-hero p{color:#687e7f;margin-top:10px;font-size:15px}.stages{display:grid;grid-template-columns:1fr 1fr;gap:15px}.stage{border:1px solid #dce7e5;background:white;box-shadow:0 4px 0 #e1e9e8;border-radius:24px;padding:24px 18px;color:var(--dark);text-align:left;min-height:150px}.stage-number{font-size:13px;display:block;color:#64817d;margin-bottom:12px}.stage strong{font-size:20px;display:block;letter-spacing:-.6px}.stage-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:13px;color:#6a8180}.stage.completed{background:#e1f3ec;border-color:#a8d8c9}.stage:hover{border-color:#8fbbb1}.quiz-shell{max-width:640px;min-height:100svh;min-height:100dvh;display:flex;flex-direction:column;padding-top:max(18px,env(safe-area-inset-top));padding-bottom:max(18px,env(safe-area-inset-bottom))}.quiz-head{display:flex;gap:12px;align-items:center}.progress{display:flex;gap:6px;flex:1}.progress span{height:10px;background:#e0e9e8;border-radius:10px;flex:1}.progress .done{background:#198877}.progress .current{background:#ffd464}.qcount{font-size:14px;font-weight:850;white-space:nowrap}.question-meta{display:flex;justify-content:space-between;font-size:13px;color:#637d7a;margin-top:24px}.quiz-card{background:white;border:1px solid #dce8e7;border-radius:30px;box-shadow:0 5px 0 #e6edec;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:25px 18px;flex:1;min-height:190px;max-height:320px;margin:17px 0 20px;position:relative}.quiz-card h1{font-size:clamp(26px,6.5vw,37px);font-family:ui-rounded,'Arial Rounded MT Bold',Arial,sans-serif;font-weight:800;line-height:1.22;letter-spacing:-.7px;text-align:center;max-width:100%;overflow-wrap:break-word}.listen{display:flex;align-items:center;gap:8px;border:0;border-radius:30px;background:#e4f3ef;color:#0e7365;padding:11px 19px;min-height:47px;font-size:15px;font-weight:800}.listen.playing{animation:breathe .8s infinite alternate}.listen-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.listen.slow{background:#f4f6f5;color:#647b77;font-size:13px;padding:10px 14px}.prompt{text-align:center;font-size:16px;font-weight:800;margin-bottom:14px}.answers{display:grid;gap:12px}.answer{background:white;border:2px solid #dfe8e7;border-radius:20px;min-height:75px;display:flex;align-items:center;text-align:left;padding:16px;gap:14px;color:var(--dark);font-size:20px;font-weight:800;line-height:1.4;box-shadow:0 4px 0 #e2e9e8}.letter{border-radius:13px;display:grid;place-items:center;min-width:39px;height:39px;background:#f0f5f3;color:#5b7b74;font-family:Arial,sans-serif;font-size:17px}.answer.correct{border-color:#188e6c;background:#e6f6ed;box-shadow:0 4px 0 #b0d6c6}.answer.correct .letter{background:#168762;color:white}.answer.wrong{border-color:#e4a666;background:#fff4e6;box-shadow:0 4px 0 #f2ddc0;animation:wiggle .25s}.answer:disabled:not(.correct):not(.wrong){opacity:.55}.feedback-slot{min-height:95px;margin-top:17px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:9px}.feedback{font-size:16px;font-weight:800;text-align:center;color:#127558;display:flex;align-items:center;justify-content:center;gap:9px}.feedback span{font-size:29px}.feedback.retry{color:#986426;font-size:15px}.next{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--green);color:white;border:0;border-radius:17px;min-height:52px;width:100%;font-size:17px;font-weight:850;box-shadow:0 4px 0 #095e53}.quiet-help{font-size:13px;color:#758a88;text-align:center;line-height:1.5}.sound-error{font-size:13px;color:#9a592e;text-align:center;min-height:0;line-height:1.4}.sound-error:empty{display:none}.complete{text-align:center;padding:28px 0}.complete img{width:210px;height:200px;object-fit:contain}.complete h1{font-size:31px;letter-spacing:-1px;margin:7px 0 12px}.complete>p{font-size:16px;line-height:1.65;color:#647c78}.reward{margin:24px auto;padding:23px;background:#fff1c2;border:2px dashed #e9ce70;border-radius:24px;max-width:310px}.reward-icon{font-size:61px;display:block;margin-bottom:10px;filter:drop-shadow(0 5px 0 #e9d68c)}.reward strong{font-size:18px;display:block}.reward small{display:block;margin-top:6px;color:#806f3c;font-size:13px}.complete-actions{display:grid;gap:14px;max-width:360px;margin:auto}.secondary{border:1px solid #d5e3df;background:white;border-radius:17px;padding:16px;color:#365b52;font-weight:800;min-height:52px}.sticker-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.sticker{background:white;border:1px solid #e0e9e5;border-radius:20px;padding:19px 8px;text-align:center}.sticker b{display:block;font-size:37px;margin-bottom:10px}.sticker strong{display:block;font-size:14px}.sticker small{display:block;font-size:12px;margin-top:6px;color:#748982}.sticker.locked b{filter:grayscale(1);opacity:.2}.sticker.locked{background:#edf2f1;color:#83928e}.sticker-total{font-size:34px!important;color:var(--green)!important;font-weight:900}.loading{padding:30vh 20px;text-align:center;color:#497568}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.exit-backdrop{position:fixed;inset:0;background:#19383277;display:grid;place-items:center;padding:25px;z-index:50}.exit-card{max-width:350px;width:100%;background:white;border-radius:26px;padding:25px;text-align:center;box-shadow:0 20px 80px #14372b33}.exit-card h2{font-size:22px;margin-bottom:12px}.exit-card p{font-size:15px;line-height:1.6;color:#6b7f77;margin-bottom:22px}.exit-card button{margin-top:10px;width:100%}@keyframes breathe{to{box-shadow:0 0 0 6px #2d967319}}@keyframes wiggle{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}@media(min-width:750px){.quiz-shell{padding-top:30px;padding-bottom:25px}.quiz-card{margin-top:20px}.quiz-shell .quiz-card{min-height:220px}.quiz-shell .answers{gap:15px}}@media(max-width:650px){.shell{padding:20px 20px 30px}.topbar .brand{font-size:16px}.pill{padding:10px 13px}.hero{padding:23px 21px;margin:23px 0;min-height:188px;border-radius:26px}.hero h1{font-size:27px;letter-spacing:-1px}.hero p{font-size:14px;max-width:170px}.hero img{width:150px;height:164px;margin:-10px -28px -10px -5px}.eyebrow{font-size:10px;letter-spacing:1.7px;margin-bottom:10px}.topic-grid{grid-template-columns:repeat(2,1fr);gap:13px}.topic{min-height:166px;padding:17px;border-radius:21px}.topic h3{font-size:18px}.topic-icon{width:49px;height:49px;font-size:29px;margin-bottom:12px}.section-heading h2{font-size:19px}.section-heading span{font-size:12px}.quiz-shell{padding:16px 20px max(16px,env(safe-area-inset-bottom));height:auto;min-height:100svh;min-height:100dvh}.question-meta{margin-top:19px}.quiz-card{gap:18px}.answer{font-size:18px;min-height:72px}.sticker-grid{grid-template-columns:repeat(3,1fr)}.sub-hero{padding-top:28px}.page-title{font-size:17px}}@media(max-height:730px) and (max-width:650px){.quiz-shell{padding-top:12px;padding-bottom:12px}.quiz-head .back{height:42px;width:42px}.question-meta{margin-top:12px}.quiz-card{min-height:155px;margin:12px 0 15px;padding:18px 14px;gap:14px;max-height:230px}.quiz-card h1{font-size:27px}.listen{min-height:42px;padding:8px 15px}.prompt{margin-bottom:10px;font-size:15px}.answer{min-height:65px;padding:11px 14px;font-size:17px}.answers{gap:10px}.feedback-slot{margin-top:13px;min-height:87px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}@media(min-width:651px){.quiz-shell{height:100dvh;min-height:720px}}@media(max-width:350px){.hero img{width:118px;margin-right:-25px}.hero h1{font-size:24px}.hero{padding:20px 17px}.shell{padding-left:15px;padding-right:15px}.topic{padding:14px}.brand{gap:7px}.pill{font-size:12px;padding:9px}}
/* Toybox: bright tactile cards, sticker stars, and our chick guide. */
:root{--green:#15957d;--dark:#29485c;--muted:#668094;color:var(--dark);background:#edf8ff}body{background-image:radial-gradient(#bbdaec88 1.4px,transparent 1.4px);background-size:22px 22px}.shell{max-width:1020px}.topbar{padding:0 2px}.brand{font-size:20px;color:#286575;letter-spacing:-1px}.brand-mark{width:44px;height:42px;border:3px solid white;box-shadow:0 3px 0 #168675;background:#31b398;font-size:15px;letter-spacing:-1px;border-radius:15px;color:white}.pill{background:#fff2b4;border:2px solid #fff;box-shadow:0 4px 0 #e5c977;color:#705211;gap:6px;font-size:14px}.pill b{background:white;padding:2px 7px;border-radius:12px}.hero{background:#d5f3fe;border:3px solid white;box-shadow:0 7px 0 #b9deec;border-radius:34px;overflow:visible;min-height:265px;padding:30px 38px;margin:29px 0 35px}.hero h1{color:#2c627d;font-size:44px;line-height:1.18;letter-spacing:-1.8px;font-weight:950}.hero h1 em{font-style:normal;color:#df7442}.hero p{font-weight:750;color:#507a8c;margin-top:15px;line-height:1.65}.eyebrow{font-size:11px;letter-spacing:1.4px;color:#48859c}.hero img{width:300px;height:255px;margin:-22px 4px -22px -5px;filter:drop-shadow(0 12px 10px #639db426);animation:chickHello 2.2s ease-in-out 2;transform-origin:center 75%}.section-heading{margin-bottom:21px}.section-heading h2{font-size:23px;color:#31566b;font-weight:900}.section-heading span{background:#fff;border:1px solid #d9eaf2;border-radius:20px;padding:7px 11px;font-size:12px}.topic-grid{gap:21px 19px}.topic{background:var(--topic);border:3px solid white;border-radius:28px;text-align:center;box-shadow:0 7px 0 color-mix(in srgb,var(--topic),#627c97 24%),0 10px 15px #52788a0b;min-height:201px;padding:17px 14px 14px;transition:transform .15s,box-shadow .15s;isolation:isolate}.topic:hover{transform:translateY(-4px) rotate(-1deg);box-shadow:0 11px 0 color-mix(in srgb,var(--topic),#627c97 24%)}.topic:active{transform:translateY(5px);box-shadow:0 2px 0 color-mix(in srgb,var(--topic),#627c97 24%)}.topic-icon{width:84px;height:80px;font-size:53px;margin:0 auto 10px;border-radius:25px;background:#ffffffa6;box-shadow:inset 0 -4px 0 #ffffff55,0 3px 0 #00000006;transform:rotate(-5deg)}.topic:nth-child(2n) .topic-icon{transform:rotate(5deg)}.topic h3{font-size:21px;font-weight:900;letter-spacing:-.7px}.topic .en{color:#476172;font-size:13px;font-weight:700;letter-spacing:.3px}.topic-bottom{background:#ffffff7a;border-radius:15px;padding:7px 10px;margin-top:13px;min-height:34px}.topic-play{font-family:Arial,sans-serif;font-size:12px;letter-spacing:.5px;font-weight:900;color:#507080}.dots{gap:3px}.dots i{font-style:normal;width:auto;height:auto;background:none;color:#ffffff;font-size:18px;line-height:1;text-shadow:0 1px 0 #92a2ad}.dots i.done{background:none;color:#d78800;text-shadow:0 1px 0 white}.topic .badge{z-index:1;top:12px;right:10px;font-size:28px;transform:rotate(10deg)}.resume{border:3px solid white;background:#fff0ae;box-shadow:0 5px 0 #e6ce8a;border-radius:22px;margin-bottom:27px;min-height:64px}.back{border:2px solid white;box-shadow:0 4px 0 #c4dce9;background:#fff;color:#438293;border-radius:17px}.page-title{color:#2e6579;font-weight:900}.sub-shell{max-width:660px}.sub-hero{padding:32px 0 28px}.big-topic-icon{border:4px solid white;box-shadow:0 7px 0 #bfd6dc;transform:rotate(-5deg);width:103px;height:103px;border-radius:32px}.sub-hero h1{font-weight:950;color:#315e73;font-size:32px}.sub-hero p{font-weight:700;color:#5d7b8a}.stages{gap:22px 18px;padding:3px 4px 15px}.stage{border:3px solid white;box-shadow:0 7px 0 #c4d697;border-radius:30px;background:#e7f2c6;min-height:182px;position:relative;text-align:center}.stage:nth-child(2){background:#ffe6c5;box-shadow:0 7px 0 #e4c493}.stage:nth-child(3){background:#e6e0fc;box-shadow:0 7px 0 #c4b8e8}.stage:nth-child(4){background:#ffdfdf;box-shadow:0 7px 0 #e9b8bb}.stage-number{display:grid;place-items:center;font:bold 27px Arial;width:53px;height:53px;margin:0 auto 16px;background:white;color:#5b7c48;border-radius:19px;box-shadow:0 3px 0 #0000000b;transform:rotate(-7deg)}.stage:nth-child(2n) .stage-number{transform:rotate(7deg);color:#b47640}.stage strong{font-size:21px}.stage-bottom{font-size:14px;font-weight:800;justify-content:center;gap:13px}.stage.completed .stage-number{background:#fff6cb;color:#ce8b14}.stage:hover{border-color:#fff;transform:translateY(-3px)}.quiz-shell{background:transparent;max-width:640px}.quiz-head{gap:15px}.progress{gap:5px;justify-content:center;align-items:center}.progress span{height:auto;background:none;color:#cfdee9;font-size:30px;line-height:1.2;text-align:center;flex:1;max-width:42px;text-shadow:0 2px 0 #b3cbd9}.progress .done{background:none;color:#ffc740;text-shadow:0 2px 0 #dca520}.progress .current{background:none;color:#ffc740;transform:scale(1.13);text-shadow:0 2px 0 #dca520}.qcount{background:white;padding:9px 12px;border-radius:15px;box-shadow:0 3px 0 #d3e4ed;color:#3c7183}.question-meta{font-weight:800}.question-meta>span:first-child{background:#fff1b9;color:#746126;border:2px solid white;border-radius:20px;padding:5px 12px}.question-meta>span:last-child{align-self:center}.quiz-card{border:3px solid #fff;background:#fffdf2;box-shadow:0 7px 0 #eadba8;border-radius:33px}.quiz-card h1{color:#35566e;font-weight:900}.listen{background:#7dd7be;color:#164e44;box-shadow:0 4px 0 #4bab94;border:2px solid #fff9;font-weight:900;padding:10px 18px;border-radius:18px}.listen.slow{background:#edf4fd;border:2px solid white;color:#456f8b;box-shadow:0 4px 0 #c2d7e9;font-size:14px;border-radius:18px}.prompt{display:flex;align-items:center;justify-content:center;gap:5px;margin:0 0 13px;font-size:16px;color:#396a7d;min-height:43px}.prompt img{object-fit:contain;margin:-8px 0;width:54px;height:54px}.prompt>span{background:#fff;border-radius:16px;padding:10px 14px;box-shadow:0 2px 0 #d3e7f0}.answer{border:3px solid white;background:#deefff;box-shadow:0 6px 0 #abcce6;border-radius:23px;color:#2c5878;transition:transform .15s;font-size:20px;font-weight:900}.answer:nth-child(2){background:#ffe3d9;color:#79513f;box-shadow:0 6px 0 #e6b8a7}.answer .letter{background:#fff;box-shadow:0 3px 0 #9cbfdd70;color:#487b9d;border-radius:14px;font-size:21px;min-width:41px;height:41px;transform:rotate(-5deg)}.answer:nth-child(2) .letter{color:#b87b55;transform:rotate(5deg)}.answer:active:not(:disabled){transform:translateY(4px)}.answer.correct,.answer:nth-child(2).correct{border-color:white;background:#c5f0d8;box-shadow:0 6px 0 #7dc6a0;color:#246545;animation:answerPop .35s ease-out}.answer.correct .letter{background:#279969;color:white}.answer.wrong,.answer:nth-child(2).wrong{border-color:white;background:#fff0ce;box-shadow:0 5px 0 #e4c98c}.feedback-slot{min-height:100px}.feedback{color:#21794f;font-size:17px}.feedback span{animation:answerPop .4s ease-out}.next{border:3px solid #ffffffa8;background:#20a388;box-shadow:0 5px 0 #157863;border-radius:21px;min-height:55px;font-size:18px}.secondary{border:3px solid white;border-radius:21px;box-shadow:0 4px 0 #d2e2ea;background:#e9f4fc;color:#3e7084}.complete{position:relative}.complete>img{width:230px;height:205px;animation:chickHello 2s ease-in-out 2;filter:drop-shadow(0 12px 7px #b4d6e9)}.complete h1{color:#326880;font-weight:950}.complete .eyebrow{color:#c98222;font-size:14px}.reward{background:#fff1b8;box-shadow:0 7px 0 #e8cc83;border:4px solid #fff;border-radius:30px;transform:rotate(-2deg);margin:25px auto 30px}.reward-icon{animation:answerPop .65s ease-out}.reward strong{color:#795d29}.sticker-grid{gap:19px 14px;background:#fff9e9;border:4px solid white;border-radius:30px;padding:21px 17px;box-shadow:0 7px 0 #d9d4c0}.sticker{background:var(--topic);border:3px solid white;box-shadow:0 4px 0 #00000013;border-radius:23px;transform:rotate(-3deg);padding:18px 7px}.sticker:nth-child(2n){transform:rotate(3deg)}.sticker b{font-size:41px;filter:drop-shadow(0 3px 0 #fff)}.sticker strong{color:#466170}.sticker small{font-weight:800}.sticker.locked{background:#f0eddf;border:2px dashed #d3cdb8;box-shadow:none}.sticker.locked b{opacity:.25}.footnote{color:#637f90}.party{position:absolute;inset:0 0 auto;height:240px;overflow:hidden;pointer-events:none}.party i{position:absolute;left:calc(4% + var(--i)*6.8%);top:8px;width:9px;height:17px;background:var(--c);border-radius:3px;opacity:0;animation:confettiFall 2.2s ease-out calc(var(--i)*.05s) 1;transform:rotate(calc(var(--i)*29deg))}.exit-card{border:4px solid white;background:#fff9e8;box-shadow:0 9px 0 #d3c598,0 25px 60px #193c4655;border-radius:32px}.exit-card h2{color:#3b7181}@keyframes chickHello{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-7px) rotate(3deg)}}@keyframes answerPop{0%{transform:scale(.96)}65%{transform:scale(1.025)}100%{transform:scale(1)}}@keyframes confettiFall{0%{opacity:0;transform:translateY(-10px) rotate(0)}15%{opacity:1}85%{opacity:1}100%{opacity:0;transform:translateY(220px) rotate(230deg)}}
@media(max-width:650px){.shell{padding-left:19px;padding-right:19px}.brand{font-size:17px}.brand-mark{width:38px;height:38px;font-size:13px;border-radius:13px}.pill{font-size:13px;padding:9px 11px}.hero{min-height:214px;border-radius:30px;padding:24px 18px;margin:24px 0 30px}.hero h1{font-size:35px;line-height:1.17}.hero img{width:182px;height:201px;margin:-10px -22px -10px -30px;flex-shrink:0}.hero>div{position:relative;z-index:1}.hero p{font-size:13px;max-width:180px;margin-top:13px}.eyebrow{font-size:9px;letter-spacing:.7px}.section-heading{gap:8px;margin-bottom:18px}.section-heading h2{font-size:20px}.section-heading span{font-size:10px;padding:6px 8px;white-space:nowrap}.topic-grid{gap:19px 15px}.topic{padding:15px 10px 12px;border-radius:26px;min-height:195px}.topic-icon{font-size:48px;width:75px;height:71px;margin-bottom:10px;border-radius:23px}.topic h3{font-size:20px}.topic .en{font-size:12px}.topic-bottom{margin-top:12px;padding:6px 9px}.dots{gap:2px}.dots i{font-size:17px}.topic-play{font-size:11px}.stages{gap:21px 16px}.stage{padding:21px 10px;min-height:182px}.stage strong{font-size:20px}.stage-bottom{font-size:13px}.quiz-shell{padding-left:18px;padding-right:18px}.quiz-head{gap:9px}.progress{gap:2px}.progress span{font-size:27px}.qcount{font-size:13px;padding:8px 10px}.question-meta{margin-top:19px}.quiz-card{margin:15px 0 18px;min-height:185px}.answer{font-size:18px;min-height:73px;padding:13px 14px}.prompt{font-size:15px}.prompt>span{padding:9px 12px}.feedback-slot{min-height:96px;margin-top:17px}.feedback{font-size:16px}.complete>img{width:210px;height:190px}.sticker-grid{padding:18px 11px;gap:19px 11px}.sticker{padding:17px 4px}.sticker strong{font-size:13px}.sticker b{font-size:36px}}
@media(max-height:730px) and (max-width:650px){.quiz-shell{padding-top:12px;padding-bottom:12px}.quiz-card{min-height:145px;margin:10px 0 15px;padding:18px 12px;gap:15px;max-height:225px}.quiz-card h1{font-size:27px}.question-meta{margin-top:10px;font-size:12px}.question-meta>span:first-child{padding:4px 10px}.listen{padding:7px 14px;min-height:41px;font-size:14px}.listen.slow{font-size:13px}.prompt{margin-bottom:12px;font-size:14px;min-height:34px}.prompt img{width:43px;height:43px}.prompt>span{padding:8px 10px}.answer{min-height:63px;padding:9px 12px;font-size:17px}.letter{height:36px!important;min-width:36px!important}.feedback-slot{margin-top:13px;min-height:92px}.next{min-height:50px}.progress span{font-size:24px}}
@media(max-width:360px){.shell{padding-left:14px;padding-right:14px}.hero{padding:21px 15px;min-height:205px}.hero h1{font-size:31px}.hero img{width:159px;margin-left:-35px;margin-right:-22px}.hero p{font-size:12px}.brand{font-size:15px;gap:7px}.pill{font-size:12px;padding:8px}.section-heading h2{font-size:18px}.section-heading span{font-size:9px}.topic h3{font-size:18px}.topic-grid{gap:18px 12px}.topic-icon{width:67px;height:66px;font-size:44px}.dots i{font-size:15px}.listen-row{gap:6px}.answer{font-size:16px}.prompt{font-size:13px}.stage strong{font-size:18px}}

/* One soft, rounded silhouette for every UI star. */
.soft-star{display:inline-block;width:1em;height:1em;flex:0 0 auto;vertical-align:-.12em;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cpath%20d%3D%22M46.19%2C12.64%20Q50.00%2C6.00%2053.81%2C12.64%20L61.85%2C26.65%20Q64.11%2C30.58%2068.55%2C31.51%20L84.36%2C34.83%20Q91.85%2C36.40%2086.71%2C42.08%20L75.87%2C54.05%20Q72.83%2C57.42%2073.31%2C61.93%20L75.04%2C77.99%20Q75.86%2C85.60%2068.88%2C82.47%20L54.14%2C75.86%20Q50.00%2C74.00%2045.86%2C75.86%20L31.12%2C82.47%20Q24.14%2C85.60%2024.96%2C77.99%20L26.69%2C61.93%20Q27.17%2C57.42%2024.13%2C54.05%20L13.29%2C42.08%20Q8.15%2C36.40%2015.64%2C34.83%20L31.45%2C31.51%20Q35.89%2C30.58%2038.15%2C26.65%20Z%22%2F%3E%3C%2Fsvg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20100%20100%22%3E%3Cpath%20d%3D%22M46.19%2C12.64%20Q50.00%2C6.00%2053.81%2C12.64%20L61.85%2C26.65%20Q64.11%2C30.58%2068.55%2C31.51%20L84.36%2C34.83%20Q91.85%2C36.40%2086.71%2C42.08%20L75.87%2C54.05%20Q72.83%2C57.42%2073.31%2C61.93%20L75.04%2C77.99%20Q75.86%2C85.60%2068.88%2C82.47%20L54.14%2C75.86%20Q50.00%2C74.00%2045.86%2C75.86%20L31.12%2C82.47%20Q24.14%2C85.60%2024.96%2C77.99%20L26.69%2C61.93%20Q27.17%2C57.42%2024.13%2C54.05%20L13.29%2C42.08%20Q8.15%2C36.40%2015.64%2C34.83%20L31.45%2C31.51%20Q35.89%2C30.58%2038.15%2C26.65%20Z%22%2F%3E%3C%2Fsvg%3E") center/contain no-repeat;}
.pill>.soft-star,.sticker-total>.soft-star,.stage-bottom .soft-star,.feedback .soft-star{color:#e8a923;}
.progress span.soft-star{font-size:inherit;max-width:none;width:1em;height:1em;display:inline-block;flex:none;line-height:1;background:currentColor;text-shadow:none;transform:none;}
.progress>span{display:flex;justify-content:center;align-items:center;}
.dots i{display:flex;align-items:center;}
.dots .soft-star{filter:drop-shadow(0 1px 0 #899fa94d);}
.progress .soft-star{filter:drop-shadow(0 2px 0 #b3cbd9);}
.progress .done .soft-star,.progress .current .soft-star{filter:drop-shadow(0 2px 0 #dca520);}

.progress span.soft-star{color:inherit;}
/* Latest stage result: 0 gold, 1 silver, 2 blue, 3 green, 4 yellow, 5 red. */
.grade-star{display:inline-flex;width:1em;height:1em;align-items:center;justify-content:center;vertical-align:-.12em;color:var(--star-color);flex-shrink:0}
.grade-star>.soft-star{color:var(--star-color)!important;background:var(--star-color);width:1em;height:1em;filter:drop-shadow(0 1px 0 #52657845)}
.grade-star.metallic>.soft-star{background:linear-gradient(135deg,var(--star-color) 5%,var(--star-shine) 35%,var(--star-color) 64%,var(--star-shine) 100%)}
.dots>.grade-star{font-size:18px}.sticker-stars{display:flex;justify-content:center;gap:3px;margin-top:10px;font-size:19px}.grade-legend{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin:25px 0 10px;padding:15px 7px;border-radius:20px;background:#ffffffb3}.grade-legend>span{display:flex;align-items:center;flex-direction:column;gap:6px}.grade-legend .grade-star{font-size:28px}.grade-legend small{font-size:12px;color:#466675;font-weight:700;white-space:nowrap}.grade-help{text-align:center;color:#5c7988;font-size:13px;line-height:1.7}.reward-icon>.grade-star{font-size:77px}.stage-number .grade-star{font-size:34px}@media(max-width:360px){.grade-legend{gap:4px;padding:13px 4px}.grade-legend small{font-size:11px}.dots>.grade-star{font-size:16px}.sticker-stars{font-size:16px;gap:2px}}
/* All three choices share the same neutral blue before an answer. */
.answer:not(.correct):not(.wrong),.answer:nth-child(2):not(.correct):not(.wrong){background:#deefff;color:#2c5878;box-shadow:0 6px 0 #abcce6;border-color:white}
.answer:not(.correct) .letter,.answer:nth-child(2):not(.correct) .letter{background:white;color:#487b9d;box-shadow:0 3px 0 #9cbfdd70;transform:none}
.quiz-shell .quiz-card{flex:1;min-height:150px;max-height:260px}
@media(max-width:650px){.quiz-shell .quiz-card{min-height:140px;margin:12px 0 15px;padding:17px 13px;gap:14px}.quiz-shell .answer{min-height:65px;padding:10px 13px}.quiz-shell .answers{gap:11px}.quiz-shell .feedback-slot{min-height:90px;margin-top:14px}.quiz-shell .prompt{margin-bottom:11px}}
@media(max-height:730px) and (max-width:650px){.quiz-shell .quiz-card{min-height:117px;max-height:178px;padding:12px;gap:10px;margin:9px 0 12px}.quiz-shell .quiz-card h1{font-size:25px}.quiz-shell .answer{min-height:58px;padding:7px 11px;font-size:16px}.quiz-shell .answers{gap:9px}.quiz-shell .feedback-slot{min-height:82px;margin-top:11px}.quiz-shell .next{min-height:46px}.quiz-shell .prompt{margin-bottom:9px}.quiz-shell .listen{min-height:38px}}
.account-strip{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;color:#4d7080;margin:15px 2px 0}.account-strip small{display:block;font-size:12px;margin-top:3px;color:#65837d}.account-strip button{border:1px solid #d1e1e9;background:white;color:#486b7b;border-radius:12px;padding:9px 10px;min-height:36px;font-size:12px}.account-strip>div{display:flex;gap:5px}.account-strip .save-failed{color:#b45132}.auth-shell{max-width:490px;padding-top:26px}.auth-shell>.brand{justify-content:center}.auth-card{margin-top:25px;background:#fffef5;border:3px solid white;border-radius:32px;padding:20px 27px 27px;box-shadow:0 7px 0 #d5e5eb;text-align:center}.auth-card>img{object-fit:contain;margin:-8px auto 0;display:block;max-width:100%;height:160px}.auth-card h1{font-size:29px;color:#366c7f;letter-spacing:-1px}.auth-card>p{font-size:14px;line-height:1.6;color:#607c87;margin:12px 0 19px}.auth-card form{text-align:left}.auth-card label{display:block;font-size:15px;font-weight:800;margin:16px 0 8px;color:#416a79}.auth-card input{width:100%;min-height:53px;padding:12px 15px;border:2px solid #d5e4eb;border-radius:16px;background:white;font:inherit;font-size:18px;color:#284b60}.auth-card input:focus{outline:3px solid #b6eadf;border-color:#2cae91}.auth-card input::placeholder{font-size:15px;color:#8ba0ab}.auth-card .next{margin-top:14px}.auth-card .auth-hint{font-size:12px;margin:21px 0 0}#login-error{color:#ba4c32;font-size:14px;line-height:1.5;margin-top:12px;min-height:0}#login-error:empty{display:none}.auth-card .secondary{margin-top:15px;width:100%}@media(max-height:740px){.auth-shell{padding-top:17px}.auth-card{margin-top:18px;padding-top:12px}.auth-card>img{height:120px}.auth-card>p{margin:8px 0 12px}.auth-card label{margin-top:12px}}
.admin-shell{max-width:1060px}.admin-refresh{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:20px 0;color:#607d8b;font-size:13px}.admin-refresh .secondary{font-size:13px;padding:9px 13px;min-height:38px;border-width:2px}.student-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.student-card{border:3px solid white;background:#e0f1fc;box-shadow:0 5px 0 #bcd7e8;border-radius:25px;padding:20px;display:flex;flex-direction:column;align-items:flex-start;gap:10px;color:#325b70;text-align:left}.student-avatar{font-size:37px;background:white;border-radius:16px;padding:8px}.student-card strong{font-size:21px;overflow-wrap:anywhere}.student-count{font-size:14px;font-weight:800}.student-card small{font-size:12px;line-height:1.5;color:#587789}.student-meter{height:9px;width:100%;border-radius:8px;background:white;overflow:hidden}.student-meter i{display:block;height:100%;background:#31ac93;border-radius:8px}.admin-empty{text-align:center;padding:50px 20px;color:#63818d}.admin-more{display:block;margin:25px auto}.hero h1{overflow-wrap:anywhere}@media(max-width:650px){.student-grid{grid-template-columns:repeat(2,1fr);gap:15px}.student-card{padding:15px}.student-card strong{font-size:18px}.admin-refresh{font-size:12px}.student-count{font-size:13px}.student-avatar{font-size:30px}.admin-shell .page-title{font-size:16px}}
.quiz-card h1 .keyword{display:inline-block;font:inherit;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:#bb4e1c;background:transparent;border:0;border-bottom:2px dotted #dd9a69;border-radius:8px 8px 3px 3px;padding:0 2px;margin:0;vertical-align:baseline;min-height:1.15em;box-shadow:none;cursor:pointer;touch-action:manipulation}.quiz-card h1 .keyword:hover,.quiz-card h1 .keyword.playing{color:#a43c12;background:#ffead5;border-bottom-color:#b9501d;animation:none}.quiz-card h1 .keyword:focus-visible{outline:3px solid #168178;outline-offset:3px}.word-hint{font-size:12px;line-height:1.4;color:#876c55;text-align:center;margin-top:-7px}.quiz-card{gap:15px}@media(max-height:730px) and (max-width:650px){.quiz-shell .quiz-card{gap:8px;min-height:138px}.word-hint{font-size:11px;margin-top:0}.quiz-shell .quiz-card h1{font-size:24px}}

.carol-panel{margin:20px 0 26px;padding:24px 16px;border:3px solid #fff;border-radius:30px;background:#e0f5e9;text-align:center;box-shadow:0 6px 0 #bfdccd}
.carol-icon{font-size:42px}.carol-panel h2{font-size:clamp(22px,5.5vw,30px);line-height:1.3;color:#276b57;margin:10px 0}.carol-panel p{font-size:16px;line-height:1.6;margin:12px 0}.carol-panel .listen{margin:4px auto;max-width:100%}.carol-panel .carol-note{font-size:14px;color:#4c7064}.carol-panel #carol-status:empty{display:none}.topic .en{overflow-wrap:anywhere}

.grade-star.faded{opacity:.38}.retry-stage{width:100%;font-weight:900}.grade-star{transition:opacity .25s ease}

.learning-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:26px 0 16px;padding:7px;background:#d8eaf5;border:3px solid #fff;border-radius:25px}
.learning-tabs button{display:flex;align-items:center;justify-content:center;gap:7px;min-height:58px;padding:12px 8px;border:0;border-radius:18px;background:transparent;color:#436a80;font-size:clamp(15px,3.5vw,19px);font-weight:900;line-height:1.3}
.learning-tabs button[aria-pressed="true"]{background:#fff6cb;color:#665127;box-shadow:0 4px 0 #dbc887}.learning-tabs small{font-size:13px;background:#ffffffb3;border-radius:20px;padding:3px 6px}.learning-tabs button[aria-pressed="false"]:hover{background:#ffffff70}
.song-grid .topic h3{font-size:19px;line-height:1.35;overflow-wrap:anywhere}.song-grid .topic .en{font-size:14px;line-height:1.5;margin-top:7px;color:#4a6b7a}.song-title{font-size:18px!important;font-weight:800;line-height:1.5}.sub-hero h1{overflow-wrap:anywhere}
@media(max-width:380px){.learning-tabs{gap:5px;padding:5px}.learning-tabs button{gap:4px}.learning-tabs small{font-size:11px;padding:3px 4px}.song-grid .topic h3{font-size:16px}}

article.stage{display:flex;flex-direction:column;align-items:stretch}.vocabulary-open{margin:15px 0 0;padding:10px 8px;min-height:44px;background:#ffffffc9;color:#426e83;border:2px solid #fff;border-radius:15px;font-size:15px;font-weight:850;box-shadow:0 3px 0 #597e8d20}.stage-start{width:100%;border:0;background:transparent;color:inherit;font-weight:850;min-height:48px;padding:12px 0 0;text-align:left;cursor:pointer}.vocabulary-book-icon{font-size:50px;margin-bottom:12px}.vocabulary-list{display:flex;flex-direction:column;gap:20px}.vocabulary-entry{background:#fffdf2;border:4px solid #fff;border-radius:26px;padding:20px;box-shadow:0 6px 0 #d9e4dc}.vocabulary-entry header{padding-bottom:14px;border-bottom:2px dashed #d8e5e7}.vocabulary-word{display:flex;align-items:center;gap:12px;border:0;background:transparent;padding:0;min-height:44px;text-align:left;color:#b64c22;font-size:28px;font-weight:950;overflow-wrap:anywhere}.vocabulary-word svg{width:24px;height:24px;flex-shrink:0}.vocabulary-meaning{font-size:18px;font-weight:800;line-height:1.5;margin-top:5px;color:#456575}.vocabulary-examples{margin:16px 0 0;padding-left:25px}.vocabulary-examples li{padding-left:4px;margin-top:17px;color:#68869a;font-weight:800}.vocabulary-sentence{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:5px 0;min-height:44px;border:0;background:transparent;text-align:left;font-size:20px;font-weight:850;line-height:1.5;color:#35586b;overflow-wrap:anywhere}.vocabulary-sentence svg{width:21px;height:21px;flex-shrink:0}.vocabulary-examples p{font-size:16px;line-height:1.6;color:#657e87;font-weight:500;margin-top:3px}.vocabulary-word.playing,.vocabulary-sentence.playing{color:#148571}.vocabulary-start{width:100%;margin-top:28px}.vocabulary-loading{text-align:center;line-height:1.7;padding:25px}.vocabulary-loading button{display:block;margin:15px auto}.vocabulary-shell .sub-hero h1{font-size:clamp(24px,6vw,30px)}@media(max-width:380px){.vocabulary-entry{padding:16px}.vocabulary-open{font-size:14px}.vocabulary-word{font-size:25px}.vocabulary-sentence{font-size:18px}}

.daily-panel,.daily-notice{background:#fffdf0;border:4px solid white;border-radius:28px;padding:22px;margin:22px 0;box-shadow:0 6px 0 #e7ddb0;text-align:center}
.daily-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.daily-heading h2,.daily-notice h2{font-size:clamp(20px,5vw,26px);margin:0}.daily-heading>strong{white-space:nowrap;color:#287f78;font-size:22px}.daily-panel p,.daily-notice p{font-size:16px;line-height:1.65;margin:12px 0}.daily-panel>small{display:block;line-height:1.6;font-size:14px;color:#586f76}.daily-slots{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}.daily-slots>button,.daily-empty{min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:16px 8px;border-radius:20px;border:2px solid #9fd5cd;background:#e2f5ef;color:#345568}.daily-slots>button>span{font-size:30px}.daily-slots strong{font-size:18px;overflow-wrap:anywhere}.daily-slots small{font-size:14px}.daily-empty{border-style:dashed;background:#f7fbfc;border-color:#c9dce0;font-size:14px}.daily-empty b{font-size:26px;color:#94b3bb}.daily-notice .next,.daily-notice .secondary{margin-top:12px;width:100%}.stage-start:disabled{opacity:.55;cursor:default;font-size:14px}.topic-play{white-space:nowrap}
.memory-entrance{margin:30px 0;padding:24px;border:4px solid white;border-radius:28px;background:#e4e5ff;box-shadow:0 6px 0 #c8cbea;text-align:center}.memory-entrance h2{font-size:25px;margin:0 0 12px}.memory-entrance p{font-size:16px;line-height:1.7}.memory-entrance>.next{width:100%;margin-top:12px}.memory-intro{text-align:center;margin:26px 0 18px}.memory-intro h1{font-size:clamp(25px,6vw,36px)}.memory-intro p{font-size:16px;line-height:1.6}.memory-status{display:flex;justify-content:center;gap:25px;font-size:18px;margin:16px 0}.memory-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.memory-card{min-height:115px;padding:14px 8px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;background:#cce9fa;border:4px solid white;border-radius:22px;box-shadow:0 5px 0 #a9cddd;color:#416c81;font-size:34px;overflow-wrap:anywhere;min-width:0}.memory-card.is-open{background:#fffcef;font-size:clamp(18px,4.5vw,24px);color:#345568}.memory-card.is-matched{background:#daf3e8;box-shadow:0 5px 0 #abd3c3}.memory-card small{font-size:13px;line-height:1.3;font-weight:500}.memory-card:focus-visible{outline:3px solid #27778f;outline-offset:3px}.memory-finish{text-align:center;padding:24px 0}.memory-finish h2{font-size:25px}.memory-finish .next{width:100%}@media(min-width:700px){.memory-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.memory-card{min-height:150px;font-size:40px}.memory-card.is-open{font-size:20px}}

.topic-catalog{margin:28px 0}.topic-catalog>summary{padding:18px 22px;border:3px solid white;border-radius:22px;background:#dceefa;font-size:20px;font-weight:800;cursor:pointer;color:#345568}.topic-catalog[open]>summary{margin-bottom:18px}.review-shelf{margin:28px 0}.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.review-grid article{padding:20px;background:#fff4cf;border:3px solid white;border-radius:24px}.review-grid h3{font-size:20px;margin:0 0 15px}.review-grid article>div{display:flex;gap:10px;flex-wrap:wrap}.review-grid .secondary{font-size:16px;padding:12px;flex:1;white-space:nowrap}.stage-restart{background:none;border:none;padding:12px;color:#4c7083;text-decoration:underline;font-size:15px}.day-rollover{background:#fff4c7;border-radius:16px;padding:12px;margin:12px 0;font-size:16px;line-height:1.5;text-align:center}.student-today{font-size:15px;line-height:1.6;color:#326c74}.word-help-button{margin:8px 0 16px}.word-help-dialog .exit-card{max-height:85dvh;overflow:auto}.hint-words{display:grid;gap:10px;margin:18px 0}.hint-words>button{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px;background:#e2f1fd;color:#355b72;border:2px solid white;border-radius:16px;text-align:left}.hint-words strong{font-size:21px;overflow-wrap:anywhere}.hint-words span{font-size:18px}.hint-words svg{width:24px;flex-shrink:0}

.home-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:3px 0 12px}.home-brand{display:flex;align-items:center;gap:8px;min-width:0;color:#315e70;font-size:clamp(16px,3.8vw,23px);font-weight:900;letter-spacing:-.6px;line-height:1.25;word-break:keep-all}.home-brand img{width:54px;height:54px;object-fit:contain;flex-shrink:0}.header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}.header-nickname{font-size:16px;font-weight:750;color:#527483;max-width:120px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-icon{display:grid;place-items:center;width:44px;height:44px;padding:0;border:2px solid white;border-radius:16px;background:#fff;color:#527483;box-shadow:0 4px 0 #c5dfe8;flex-shrink:0}.stickers-icon{background:#fff1b8;color:#d89c20;box-shadow:0 4px 0 #e6d18a}.header-icon .soft-star{width:25px;height:25px;background:#e2ad30}.header-icon svg{width:25px;height:25px}.home-save-alert{margin:12px 0;font-size:14px;line-height:1.5;color:#9b563c}.home-save-alert[hidden]{display:none}.home-save-alert button{margin-left:8px;padding:8px 12px;background:white;border:1px solid #d3e5eb;border-radius:12px;color:#496c7d}@media(max-width:480px){.home-header{gap:8px}.home-brand img{width:43px;height:43px}.home-brand{gap:5px;font-size:16px}.header-actions{gap:6px}.header-nickname{max-width:64px;font-size:15px}.header-icon{width:38px;height:40px;border-radius:14px}}@media(max-width:360px){.home-brand{font-size:15px}.home-brand img{width:36px;height:40px}.header-nickname{max-width:44px}.header-actions{gap:4px}.home-header{gap:5px}}

.daily-state{text-align:center;color:#427b77;font-size:16px;font-weight:800;margin:0 0 20px}.sound-error:empty{display:none}.daily-notice>.next:first-child{margin-top:0}.memory-entrance h2{margin-bottom:16px}.topic-label{color:#688591;font-size:16px;margin-top:10px}

.daily-song{margin:28px 0}.daily-song h2{font-size:24px;margin:0 0 16px;color:#345f72}.daily-song-card{width:100%;display:flex;align-items:center;gap:16px;text-align:left;background:#fff2c7;border:4px solid white;border-radius:26px;padding:22px;box-shadow:0 6px 0 #e9d9a5;color:#345b70}.daily-song-icon{font-size:40px;flex-shrink:0}.daily-song-card>span:nth-child(2){flex:1;min-width:0}.daily-song-card strong{display:block;font-size:22px;line-height:1.4;word-break:keep-all}.daily-song-card small{display:block;font-size:15px;line-height:1.5;margin-top:5px;overflow-wrap:anywhere}.daily-song-card>b{font-size:16px;white-space:nowrap;flex-shrink:0}.home-review-action{margin-top:30px}.home-review-action>.secondary{width:100%;font-size:20px}.review-grid{margin-top:24px}@media(max-width:420px){.daily-song-card{padding:18px 14px;gap:10px;flex-wrap:wrap}.daily-song-card strong{font-size:20px}.daily-song-card>b{margin-left:auto}.daily-song-icon{font-size:34px}}

.site-header{position:sticky;top:0;z-index:40;background:#edf9ff;border-bottom:1px solid #d9ecf3;padding-top:env(safe-area-inset-top,0px)}.site-header .home-header{max-width:1060px;margin:0 auto;padding:12px 32px}.site-header .home-brand{border:0;background:transparent;padding:0;text-align:left;cursor:pointer}.site-header .home-brand:active{transform:none}.global-save-alert{max-width:996px;margin:12px auto;padding:0 20px}#app>.shell{padding-top:20px}html{scroll-padding-top:90px}@media(max-width:600px){.site-header .home-header{padding:10px 20px}}@media(max-width:360px){.site-header .home-header{padding:8px 14px}}

.daily-topic-card{min-width:0;border:2px solid #9fd5cd;background:#e2f5ef;border-radius:20px;padding:12px 8px;display:flex;flex-direction:column;gap:12px}.daily-topic-start{display:flex;flex-direction:column;align-items:center;gap:10px;border:0;background:transparent;color:#345568;width:100%;padding:6px 0}.daily-topic-icon{font-size:32px}.daily-stars{display:flex;justify-content:center;align-items:center;gap:5px}.daily-stars .grade-star{display:inline-flex;width:25px;height:25px;flex:0 0 25px}.daily-stars .soft-star{width:100%;height:100%}.daily-memory.secondary{width:100%;min-height:46px;font-size:14px;padding:10px 5px;border-radius:15px;white-space:normal;line-height:1.4}.daily-memory:disabled{opacity:.6;box-shadow:none}.daily-song-group>.daily-memory{margin-top:14px}.daily-song-card>.daily-stars{flex-shrink:0}.listen-row .listen{margin:0;white-space:nowrap}.listen.hint{background:#fff0b3;color:#795b22;box-shadow:0 4px 0 #ddca89}.listen.hint:disabled{opacity:.5}.listen-row{align-items:center}.daily-topic-start:active{transform:none}@media(max-width:420px){.listen-row .listen{padding:8px 9px;font-size:12px;gap:4px}.listen-row .listen svg{width:19px;height:19px}.daily-song-card>.daily-stars{flex-basis:100%;justify-content:center}.daily-stars{gap:4px}.daily-stars .grade-star{width:23px;height:23px;flex-basis:23px}}

.header-icon.stickers-icon{display:flex;align-items:center;justify-content:center;gap:5px;width:auto;min-width:62px;padding:0 9px}.header-gold-count{font-size:17px;font-weight:900;color:#795e1e;font-variant-numeric:tabular-nums}.site-header .home-brand{min-width:0}.site-header .home-brand>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.site-header .home-brand>img{flex-shrink:0}@media(max-width:420px){.header-icon.stickers-icon{min-width:54px;padding:0 6px;gap:3px}.stickers-icon .soft-star{width:21px;height:21px}.header-gold-count{font-size:15px}}

#app>.memory-shell{padding-top:10px;padding-bottom:20px}.memory-intro{margin:13px 0 9px}.memory-status{margin:8px 0;gap:18px;font-size:16px}.memory-grid{gap:8px}.memory-card{min-height:58px;padding:7px 8px;gap:0;border-radius:17px;box-shadow:0 3px 0 #a9cddd;font-size:28px;line-height:1.2}.memory-card.is-open{font-size:clamp(16px,4.2vw,21px)}.memory-card.is-matched{box-shadow:0 3px 0 #abd3c3}.memory-finish{padding:12px 0}.memory-finish h2{font-size:22px}.memory-reward{font-size:20px;font-weight:850;color:#936913;margin:8px 0 12px}.memory-shell .sound-error:empty{display:none}@media(min-width:700px){.memory-card{min-height:90px}} 
/* A separate night scene for the collection tree. */
.tree-icon{font-size:24px;background:#dcf3e8;color:#205d48}.inventory-totals{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin:20px 0}.inventory-totals>span{display:flex;align-items:center;flex-direction:column;gap:5px;font-size:18px}.inventory-totals .soft-star{width:27px;height:27px}.inventory-totals small{font-size:13px}.tree-mode{background:#04070e;background-image:none;color:#edf8ff}.tree-mode .site-header{background:#080e18;border-color:#182a38}.tree-mode .home-brand,.tree-mode .header-nickname{color:#e1f0f7}.tree-shell{max-width:900px;margin:auto;height:calc(100dvh - 82px);min-height:570px;display:flex;flex-direction:column;background:#04070e;padding:0 12px 10px}.tree-top{display:flex;align-items:center;justify-content:space-between;padding:12px 5px 0;flex-shrink:0}.tree-top>div{text-align:center}.tree-top h1{font-size:21px;letter-spacing:-.6px}.tree-top #tree-save{font-size:12px;color:#a1b6c5}.tree-control{border:1px solid #3c5363;background:#17232ecc;border-radius:14px;color:#e0eff6;width:44px;height:44px;display:grid;place-items:center;font-size:27px;box-shadow:none}.tree-control[aria-pressed=true]{background:#325a54}#tree-stage{position:relative;flex:1;min-height:330px;overflow:hidden;outline-offset:-3px;border-radius:22px;touch-action:none}#tree-stage canvas{display:block;width:100%;height:100%;touch-action:none}.tree-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;color:#bed1db;text-align:center;line-height:1.7}.tree-remove{position:absolute;top:10px;left:50%;transform:translateX(-50%);width:auto;padding:0 16px;font-size:15px;z-index:2}.tree-remove[hidden]{display:none}.tree-turn-controls{position:absolute;bottom:8px;left:0;right:0;display:flex;justify-content:space-between;padding:0 12px;pointer-events:none}.tree-turn-controls>button{pointer-events:auto}.tree-tray{background:linear-gradient(135deg,#162332,#0c1824);border:1px solid #33475b;border-radius:23px;padding:12px 10px max(12px,env(safe-area-inset-bottom));box-shadow:0 -8px 30px #0005;flex-shrink:0}.tree-tray-title{display:flex;justify-content:space-between;align-items:center;margin:0 6px 10px}.tree-tray-title strong{font-size:16px;color:#f6e4b0}.tree-tray-title>span{font-size:13px;color:#99adbc}#tree-palette{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}.tree-star-choice{touch-action:none;background:#ffffff08;border:1px solid #ffffff13;border-radius:14px;color:white;display:flex;flex-direction:column;align-items:center;gap:4px;padding:9px 2px;min-width:0}.tree-star-choice>.soft-star{width:29px;height:29px;filter:drop-shadow(0 0 6px #ffffff38)}.tree-star-choice b{font-size:19px}.tree-star-choice small{font-size:11px;white-space:nowrap;color:#becddb}.tree-star-choice.selected{border-color:#ffe7a5;background:#ffe7a517}.tree-star-choice:disabled{opacity:.42}.tree-star-choice:active{transform:none}#tree-drag-ghost{position:fixed;width:40px;height:40px;transform:translate(-50%,-50%);pointer-events:none;z-index:100;filter:drop-shadow(0 0 10px #ffe3a8)}@media(max-width:420px){.site-header .home-header{padding-left:12px;padding-right:12px;gap:6px}.site-header .home-brand>span{font-size:13px}.site-header .header-nickname{max-width:42px;font-size:14px}.tree-shell{height:calc(100dvh - 68px);padding-left:8px;padding-right:8px;min-height:530px}.tree-star-choice small{font-size:10px}}@media(min-width:700px){.tree-shell{height:calc(100dvh - 86px);min-height:650px}.tree-tray{max-width:650px;width:100%;align-self:center}.tree-star-choice small{font-size:13px}}

#tree-retry{width:auto;padding:0 16px;font-size:16px;white-space:nowrap}

.quiz-stage-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:4px 10px}.quiz-restart{min-height:44px;padding:7px 10px;border:2px solid #fff;border-radius:14px;background:#e9f4fc;color:#3e7084;font:inherit;font-size:14px;font-weight:800;white-space:nowrap;cursor:pointer;box-shadow:0 3px 0 #c2d7e9}.quiz-restart:active{transform:translateY(2px);box-shadow:0 1px 0 #c2d7e9}.quiz-restart:focus-visible{outline:3px solid #168178;outline-offset:3px}.quiz-shell .question-meta{align-items:center;gap:8px}.quiz-shell .question-meta>span:first-child{flex-shrink:0}@media(max-width:420px){.quiz-stage-actions{flex-direction:column;align-items:flex-end;gap:3px}}

.home-review-action{display:flex;flex-wrap:wrap;gap:12px}.home-review-action .secondary{flex:1;min-width:140px}
/* Rorobook subjects and Cheonjamun */
.roro-home{padding-top:24px}.roro-subjects{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:32px}.subject-book{position:relative;display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:14px;padding:26px 22px 24px;border:4px solid white;border-radius:28px;box-shadow:0 7px 0 #a7ccdc;color:#28576a;background:#cef0ff;min-height:225px;cursor:pointer}.subject-book strong{font-size:28px;font-weight:900}.subject-book>span:not(.book-symbol):not(.subject-arrow){font-size:15px}.hanja-book{background:#ffe3b9;box-shadow:0 7px 0 #e2c297;color:#76512c}.book-symbol{font-size:39px;font-weight:950;letter-spacing:-2px}.subject-arrow{align-self:flex-end;font-size:24px;margin-top:auto}.subject-book:active{transform:translateY(4px)}.roro-today{background:#fffdf2;border:4px solid white;border-radius:28px;padding:24px;box-shadow:0 6px 0 #e7ddb1}.roro-today h2{font-size:24px;margin:0 0 12px}.roro-task{display:flex;align-items:center;gap:18px;width:100%;border:0;border-top:1px solid #d9e4e4;background:transparent;color:#365b6a;padding:20px 0;text-align:left;font:inherit;cursor:pointer}.roro-task>span:nth-child(2){flex:1;line-height:1.7}.roro-task small{display:block;color:#657d87;font-size:14px}.hanja-heading{font-size:30px;margin:20px 0}.hanja-chapters{display:grid;gap:22px;grid-template-columns:1fr 1fr}.hanja-chapter{border:4px solid white;background:#fff5db;padding:24px 18px;border-radius:28px;box-shadow:0 6px 0 #e1cda7}.hanja-chapter:nth-child(2){background:#e8e6ff;box-shadow:0 6px 0 #c5badd}.hanja-chapter-top{display:flex;align-items:center;justify-content:space-between;font-size:22px}.hanja-chapter-top .grade-star{font-size:36px}.hanja-chapter h2{font-size:21px;line-height:1.5;margin:16px 0}.hanja-glyph{font-family:'Noto Serif CJK KR','Noto Serif KR','Batang','Songti SC',serif}.hanja-phrase{font-size:25px;line-height:1.8;word-break:keep-all}.hanja-day-label{display:block;font-size:15px;margin:16px 0;color:#536d76}.hanja-chapter .next{width:100%}.hanja-sources{font-size:14px;color:#526d7a;margin:30px 0}.hanja-sources a{color:#27687b}.hanja-sources p{line-height:1.6}.hanja-quiz{max-width:700px}.hanja-quiz-top{display:flex;align-items:center;gap:14px}.hanja-quiz-top>div{flex:1}.hanja-quiz-top>div span{display:block;font-size:14px;margin-top:5px;line-height:1.4}.hanja-quiz-top>strong{white-space:nowrap;font-size:20px}.hanja-progress{display:flex;gap:7px;margin:19px 0 12px}.hanja-progress i{flex:1;height:9px;border-radius:6px;background:#d6e4e9}.hanja-progress i.done{background:#52b89c}.hanja-progress i.current{background:#f4c247}.hanja-restart-row{display:flex;justify-content:flex-end;margin-bottom:15px}.hanja-prompt{background:#fffdf2;border:4px solid white;border-radius:30px;padding:24px;text-align:center;box-shadow:0 6px 0 #e6d6a4}.hanja-prompt h1{font-size:46px;margin:8px 0 14px;line-height:1.3}.hanja-prompt p{font-size:17px;margin:0 0 18px}.hanja-options{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.hanja-option{display:flex;border:3px solid white;background:#deefff;border-radius:24px;box-shadow:0 5px 0 #abcce6;overflow:hidden}.hanja-answer{flex:1;min-width:0;font:inherit;font-size:38px;font-weight:900;min-height:88px;color:#2c5878;background:transparent;border:0;cursor:pointer}.hanja-answer.correct{background:#c5f0d8;color:#246545}.hanja-option-sound{width:49px;min-height:48px;align-self:center;border:0;border-left:1px solid #accde0;background:transparent;color:#2c5878;padding:12px;cursor:pointer}.hanja-option-sound svg{width:24px;height:24px}.hanja-reveal{margin-top:15px;background:#fff;border:3px solid #d1eee1;border-radius:28px;padding:22px;text-align:center;animation:answerPop .3s ease-out}.hanja-big{font-size:100px;line-height:1.1;color:#306d63}.hanja-reveal h2{font-size:28px;margin:10px 0 18px}.hanja-example{background:#f5faf8;border-radius:18px;padding:15px;text-align:left}.hanja-example h3{font-size:23px;margin:0 0 10px}.hanja-example p{font-size:18px;line-height:1.65;margin:8px 0}.hanja-example .hanja-parts{font-size:16px;color:#5b6f75}.hanja-reveal .listen{margin-top:16px}.hanja-next{width:100%;margin-top:18px}.hanja-complete .reward-icon{font-size:72px}.hanja-admin-progress{margin:22px 0}.hanja-admin-progress h2{font-size:24px}.hanja-admin-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px;background:#fff9e9;border:3px solid white;border-radius:20px;margin:12px 0}.hanja-admin-row .grade-star{font-size:36px}.hanja-admin-row small{display:block;margin-top:7px;font-size:14px}.memory-card:disabled{opacity:1;cursor:default}.memory-card{transition:background-color .12s ease,color .12s ease}
@media(max-width:550px){.roro-subjects{gap:12px}.subject-book{padding:20px 15px;min-height:207px;border-radius:24px;gap:12px}.subject-book strong{font-size:24px}.subject-book>span:not(.book-symbol):not(.subject-arrow){font-size:14px}.book-symbol{font-size:35px}.roro-today{padding:20px 17px}.roro-task{gap:12px}.hanja-chapters{grid-template-columns:1fr}.hanja-chapter{padding:22px}.hanja-prompt{padding:17px}.hanja-prompt h1{font-size:42px}.hanja-answer{font-size:34px;min-height:80px}.hanja-option-sound{width:44px;padding:10px}.hanja-options{gap:12px}.hanja-reveal{padding:18px}.hanja-example h3{font-size:21px}.hanja-big{font-size:90px}.hanja-quiz-top{gap:10px}}

.home-brand>span{font-size:20px}@media(max-width:360px){.home-brand>span{font-size:17px}}
.hanja-prompt .listen{margin:0 auto}.hanja-reveal .listen{margin:16px auto 0}

.subject-tabs{display:flex;gap:10px;background:#deedf3;border:3px solid #fff;border-radius:22px;padding:6px;margin:18px 0 26px}.subject-tabs button{flex:1;min-height:51px;background:transparent;color:#557580;border:0;border-radius:15px;font:inherit;font-size:22px;font-weight:900;cursor:pointer}.subject-tabs button[aria-pressed="true"]{background:#fffdf2;color:#236c66;box-shadow:0 3px 0 #b8d3d8}.subject-tabs button:focus-visible{outline:3px solid #168178;outline-offset:2px}.hanja-question-char{font-size:100px;line-height:1.2;color:#306d63;margin:0 0 8px}.hanja-prompt .hanja-fill{font-size:30px;margin:8px 0 13px}.hanja-blank{display:inline-flex;align-items:center;justify-content:center;min-width:43px;min-height:43px;color:#87a4ae}.hanja-blank.filled{color:#26836a}.hanja-prompt .hanja-question-char+.hanja-fill~p{margin-bottom:13px}@media(max-width:550px){.hanja-question-char{font-size:84px}.hanja-prompt .hanja-fill{font-size:28px}.subject-tabs{margin-top:12px;margin-bottom:23px}}

.nickname-button{border:0;background:transparent;font:inherit;font-weight:900;color:inherit;min-height:44px;padding:4px 2px;cursor:pointer}.nickname-button:focus-visible{outline:3px solid #168178;outline-offset:3px;border-radius:8px}.account-profile-backdrop{position:fixed;inset:0;z-index:1000;background:#173e5266;display:flex;align-items:center;justify-content:center;padding:22px}.account-profile-card{position:relative;width:min(100%,340px);background:#fffdf2;border:4px solid white;border-radius:28px;padding:30px 24px;box-shadow:0 8px 0 #b9d2d7;color:#355c6c;text-align:center}.account-profile-card h2{font-size:26px;margin:10px 0 22px;overflow-wrap:anywhere}.account-profile-card p{font-size:18px;margin:0 0 26px}.profile-close{position:absolute;right:8px;top:6px;width:44px;height:44px;border:0;background:transparent;color:#527985;font-size:30px;cursor:pointer}.profile-logout{width:100%;min-height:50px;font-size:18px}

.hanja-memory-start{display:block;width:100%;margin-top:14px;min-height:48px;font-weight:900}.hanja-memory-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.hanja-memory-grid .memory-card{min-height:115px;padding:8px 3px;border-radius:20px;font-size:25px;word-break:keep-all}.hanja-memory-grid .memory-card span{font-size:inherit}.hanja-memory-shell .memory-finish .secondary{margin-top:14px;width:100%}@media(max-width:550px){.hanja-memory-grid{gap:10px 8px}.hanja-memory-grid .memory-card{min-height:95px;border-width:3px;border-radius:17px;font-size:23px}}

/* Selected cards are yellow; each completed pair shares its own color. */
.memory-card.is-selected{background:#ffe58a;color:#604d20;box-shadow:0 3px 0 #d7b956}
.memory-card.is-matched{background:var(--pair-fill);color:#294b5b;box-shadow:0 3px 0 var(--pair-shadow)}
.memory-card.pair-color-0{--pair-fill:#bdeedc;--pair-shadow:#88c4ad}
.memory-card.pair-color-1{--pair-fill:#ffd0dc;--pair-shadow:#d9a0b1}
.memory-card.pair-color-2{--pair-fill:#d9ceff;--pair-shadow:#b3a2df}
.memory-card.pair-color-3{--pair-fill:#bce9ff;--pair-shadow:#88bfd8}
.memory-card.pair-color-4{--pair-fill:#ffd5af;--pair-shadow:#d5ac84}

.hanja-memory-grid .memory-card .hanja-memory-sound{font-size:20px;white-space:nowrap;letter-spacing:-.5px}