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16px;padding-bottom:calc(8px + env(safe-area-inset-bottom,0px));flex-shrink:0}.home-map-screen{width:100%;max-width:430px;min-height:100vh;margin:0 auto;padding:max(18px,env(safe-area-inset-top)) 12px max(8px,env(safe-area-inset-bottom));color:#122451;background:radial-gradient(circle at 20% 3%,rgb(255 220 126 / 22%),transparent 180px),linear-gradient(180deg,#fffaf0,#fff6df);font-family:Nunito,sans-serif}.home-map-title{display:flex;height:48px;align-items:center;justify-content:center}.home-map-title h1{margin:0;font-size:1.55rem;font-weight:800;letter-spacing:.025em}.home-profile-bar{display:grid;grid-template-columns:minmax(120px,1fr) auto auto 48px;min-height:78px;align-items:center;gap:10px}.home-profile{display:flex;align-items:center;gap:9px;min-width:0}.home-profile img{width:58px;height:58px;object-fit:cover;background:#fff;border:3px solid #ffd450;border-radius:50%;box-shadow:0 4px 12px #6f4d1326}.home-profile strong{overflow:hidden;font-size:1.15rem;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.home-stat{display:flex;align-items:center;gap:2px}.home-stat img{width:42px;height:42px;object-fit:contain}.home-stat strong{min-width:18px;font-size:1.35rem;font-weight:800}.home-settings{width:48px;height:48px;padding:0;overflow:hidden;background:transparent;border:0;border-radius:50%}.home-settings img{width:100%;height:100%;object-fit:cover}.journey-card{position:relative;padding:16px 12px 14px;background:#fff;border:1px solid #f4dfbd;border-radius:27px;box-shadow:0 7px 20px #8a652517}.journey-heading{position:relative;min-height:54px;border-bottom:1px solid #eee1d0}.journey-heading h2{margin:8px 76px 0 38px;font-size:1.14rem;font-weight:800;letter-spacing:.01em;white-space:nowrap}.journey-heading:before,.journey-heading:after{position:absolute;content:"✦";color:#5daeff;font-size:.9rem}.journey-heading:before{top:2px;left:38px}.journey-heading:after{top:9px;right:72px;color:#ffbd20}.journey-heading img{position:absolute;z-index:1;top:-17px;right:2px;width:72px;height:74px;object-fit:cover;object-position:center;border-radius:0 24px 0 0}.journey-legend{display:grid;grid-template-columns:repeat(4,auto);align-items:center;justify-content:space-between;gap:5px;min-height:44px;color:#37445b;font-size:.7rem;font-weight:600}.journey-legend span{display:flex;align-items:center;gap:4px;white-space:nowrap}.legend-dot{width:14px;height:14px;border-radius:50%}.legend-dot.done{background:#2bc48a;box-shadow:inset 0 0 0 1px #079b68}.legend-dot.today{background:#ffbd20;box-shadow:inset 0 0 0 1px #e8a200}.legend-dot.locked{background:#ff91ae;box-shadow:inset 0 0 0 1px #f16f93}.journey-legend img{width:22px;height:22px;object-fit:contain}.day-map{display:grid;grid-template-columns:repeat(7,1fr);row-gap:14px;column-gap:6px;padding:4px 0 0}.day-node{display:grid;position:relative;width:42px;height:42px;padding:0;place-items:center;justify-self:center;color:#34425b;background:linear-gradient(145deg,#f3f0ec,#e9e5df);border:0;border-radius:50%;box-shadow:inset 0 -3px #604e3a14;font-size:1rem;font-weight:800}.day-node:after{position:absolute;z-index:-1;top:50%;left:calc(100% + 3px);width:8px;border-top:2px dashed #e5d5c3;content:""}.day-node:nth-child(7n):after{display:none}.day-node.completed{color:#fff;background:linear-gradient(145deg,#47d5a5,#14ad77);box-shadow:inset 0 -3px #079a69}.day-node.active{color:#fff;background:linear-gradient(145deg,#ffd542,#ffad00);box-shadow:0 0 0 5px #fff4b8,0 0 16px #ffc928}.day-node:disabled{cursor:default;opacity:1}.day-check{display:grid;position:absolute;right:-4px;bottom:-3px;width:17px;height:17px;place-items:center;color:#fff;background:#75cf00;border:2px solid #fff;border-radius:50%;font-size:.65rem;font-style:normal}.day-lock{position:absolute;bottom:-4px;width:10px;height:8px;background:#92959a;border-radius:2px;font-style:normal}.day-lock:before{position:absolute;top:-5px;left:2px;width:6px;height:7px;border:2px solid #92959a;border-bottom:0;border-radius:5px 5px 0 0;content:""}.today-marker{position:absolute;bottom:-11px;width:0;height:0;border-right:6px solid transparent;border-bottom:10px solid #ff5d2e;border-left:6px solid transparent}.day-node.chest:not(.completed):not(.active){background:transparent;box-shadow:none;border-radius:0}.day-node.chest:not(.completed):not(.active) img{position:absolute;top:-9px;width:57px;height:48px;object-fit:cover;object-position:top}.day-node.chest:not(.completed):not(.active) b{position:absolute;bottom:-14px;color:#af2810;font-size:.9rem}.home-reward-card{display:grid;grid-template-columns:132px 1fr 86px;min-height:134px;margin-top:8px;overflow:hidden;align-items:center;background:linear-gradient(115deg,#ffe1d6,#fff0d4);border:4px solid #fff;border-radius:27px;box-shadow:0 5px 16px #90572c1c}.reward-chest-art{width:140px;height:124px;object-fit:cover}.reward-copy{z-index:1;text-align:center}.reward-copy h2{margin:0 0 7px;color:#ec3f72;font-size:1rem;font-weight:800}.reward-copy p{margin:0 auto 10px;padding:6px 8px;color:#312d31;background:#fff;border-radius:16px;box-shadow:0 4px 10px #68412e1a;font-size:.72rem}.reward-copy p strong{color:#ec2862}.reward-progress{display:flex;align-items:center;justify-content:center;gap:7px}.reward-progress>span{width:70px;height:10px;overflow:hidden;background:#f6cad3;border:2px solid #fff;border-radius:999px}.reward-progress i{display:block;height:100%;background:#ee2f7c;border-radius:inherit}.reward-progress b{color:#df205c;font-size:.9rem}.reward-gift-art{width:105px;height:124px;object-fit:cover;object-position:left center}.home-primary-cta{display:flex;width:calc(100% - 12px);min-height:58px;margin:9px auto 0;align-items:center;justify-content:center;gap:12px;color:#fff;background:linear-gradient(180deg,#ff604c,#ff3b2e);border:2px solid #ef271d;border-radius:999px;box-shadow:0 6px #d82920,0 10px 18px #d8292033;font-size:1.45rem;font-weight:800}.home-primary-cta>span{color:#ffd42c}.home-primary-cta i{display:grid;width:40px;height:40px;margin-left:4px;place-items:center;color:#ff4133;background:#fff;border-radius:50%;box-shadow:0 3px 8px #7b271d2e;font-size:1rem;font-style:normal}.bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;min-height:68px;margin-top:10px;padding:5px 8px;background:#fff;border:1px solid #eee5dc;border-radius:25px;box-shadow:0 7px 18px #4a36251a}.bottom-nav button{display:grid;min-width:0;min-height:56px;padding:5px 2px;place-items:center;gap:2px;color:#526083;background:transparent;border:0;border-radius:18px;font-family:inherit}.bottom-nav svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.bottom-nav span{overflow:hidden;font-size:.58rem;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.bottom-nav button.active{color:#5532e9;background:#f1ecff}.bottom-nav button.active svg{fill:currentColor;stroke-width:1.4}.flow-close-button{display:grid;width:38px;height:38px;padding:0;place-items:center;color:#81858c;background:#efeeeb;border:0;border-radius:50%;font-size:1.65rem;font-weight:600;line-height:1}.lesson-intro-screen{position:relative;display:flex;min-height:100vh;padding:28px 48px 24px;flex-direction:column;background:linear-gradient(180deg,#fff8f1,#fffefa)}.lesson-intro-heading{margin:8px 0 30px;text-align:center}.lesson-intro-heading>span{display:inline-flex;min-width:96px;min-height:32px;align-items:center;justify-content:center;color:#fff;background:#50c9c1;border-radius:999px;font-size:.86rem;font-weight:800}.lesson-intro-heading h1{margin:10px 0 8px;font-size:1.65rem;line-height:1.15}.lesson-intro-heading p{display:flex;margin:0;align-items:center;justify-content:center;gap:7px;color:#858b94;font-size:.86rem;font-weight:700}.lesson-intro-heading svg,.lesson-listen-button svg,.flashcard-read-actions svg,.quiz-guide-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.lesson-word-list{display:grid;gap:9px}.lesson-word-list>button{display:grid;min-height:49px;padding:0 13px;grid-template-columns:28px 1fr auto;align-items:center;gap:10px;color:#ff777a;background:#fff;border:0;border-radius:11px;box-shadow:0 5px 16px #614d360d;text-align:left}.lesson-word-list strong{font-size:1.03rem}.lesson-word-list small{min-width:50px;padding:7px 9px;color:#55c5bf;background:#effbf9;border-radius:8px;font-size:.64rem;font-weight:800;text-align:center}.lesson-word-play{display:grid;width:22px;height:22px;place-items:center;border:2px solid currentColor;border-radius:50%}.lesson-word-play span{width:0;height:0;margin-left:2px;border-top:4px solid transparent;border-bottom:4px solid transparent;border-left:6px solid currentColor}.lesson-reward-note{display:grid;min-height:72px;margin-top:32px;padding:14px 18px;place-items:center;align-content:center;gap:5px;color:#d79b24;background:#fff9dc;border-radius:16px;text-align:center}.lesson-reward-note strong{font-size:.82rem}.lesson-reward-note span{font-size:.68rem}.flashcard-learn-screen{min-height:100vh;padding:27px 36px 24px;background:linear-gradient(180deg,#fff9f2,#fffefa)}.flashcard-flow-header{display:grid;grid-template-columns:38px 1fr 38px;align-items:center;gap:16px}.flashcard-flow-header>strong{color:#7f8792;font-size:.78rem;text-align:right}.flashcard-progress-dots{display:flex;justify-content:center;gap:9px}.flashcard-progress-dots span{width:12px;height:12px;background:#e4e5e7;border-radius:50%}.flashcard-progress-dots span.done{background:#91ded9}.flashcard-progress-dots span.active{width:14px;height:14px;background:#4acac2;box-shadow:0 0 0 4px #dbf7f5}.canonical-flashcard{display:grid;min-height:0;height:100%;margin-top:0;padding:28px 24px;grid-template-rows:112px 58px minmax(150px,1fr) 78px;align-items:center;background:#fff;border:1px solid #f1e9df;border-radius:28px;box-shadow:0 13px 32px #4e413014;text-align:center}.flashcard-learn-screen{display:grid;min-height:100vh;grid-template-rows:46px minmax(0,1fr) 70px 78px;gap:14px;overflow:hidden}.flashcard-word-slot,.flashcard-spelling-slot,.flashcard-media-slot,.flashcard-context-slot{display:grid;min-height:0;place-items:center}.canonical-flashcard h1{margin:0;color:#ff6f73;font-size:clamp(4.5rem,22vw,6.8rem);line-height:1}.canonical-spelling{max-width:100%;margin:0;padding:10px 22px;overflow:hidden;color:#4fc2bb;background:#effaf9;border-radius:999px;font-size:clamp(1.45rem,6vw,1.75rem);font-weight:800;text-overflow:ellipsis;white-space:nowrap}.flashcard-media-slot{width:100%}.flashcard-media-slot.empty:before{display:block;width:min(56vw,230px);height:min(30vh,210px);content:""}.canonical-flashcard img{width:min(58vw,230px);max-height:100%;object-fit:contain}.flashcard-context{margin:0;color:#202b3d;font-size:clamp(1.6rem,7.2vw,2.4rem);font-weight:800;line-height:1.08}.flashcard-context strong{color:#ff6f73}.flashcard-read-actions{display:grid;grid-template-columns:1fr;gap:12px;margin-top:0}.flashcard-read-actions button{display:flex;min-height:64px;align-items:center;justify-content:center;gap:7px;color:#4fc4bd;background:#eaf9f7;border:0;border-radius:22px;font-size:1.2rem;font-weight:800}.canonical-auto-play{display:flex;margin:16px auto 0;align-items:center;gap:6px;color:#6ac9c3;font-size:.7rem;font-weight:800}.canonical-auto-play span{width:8px;height:8px;background:#4fc9c1;border-radius:50%}.learn-result-screen{display:grid;min-height:100vh;padding:34px 24px;place-items:center;background:linear-gradient(#372c4f33,#372c4f33),linear-gradient(180deg,#fff9ee,#fffdf8)}.learn-result-modal{position:relative;display:grid;width:100%;min-height:760px;padding:25px 26px 22px;place-items:center;align-content:center;gap:10px;background:#fff;border-radius:30px;box-shadow:0 24px 55px #33274e2e;text-align:center}.learn-result-modal>.flow-close-button{position:absolute;top:20px;right:20px}.learn-result-burst{display:grid;width:104px;height:104px;place-items:center;color:#ffc52a;background:#fff8d8;border:9px solid #fff1a9;border-radius:50%;font-size:3.5rem;transform:rotate(-8deg)}.learn-result-burst span{filter:drop-shadow(0 7px 0 #e5a81b)}.learn-result-modal h1{margin:5px 0 0;color:#8163df;font-size:2.15rem}.learn-result-reward{display:grid;min-width:245px;padding:10px 24px;place-items:center;gap:2px;color:#8163df;background:#f6f0ff;border-radius:24px}.learn-result-stars{color:#ffc52a;font-size:2.15rem;letter-spacing:.15em}.learn-result-mascot{width:170px;height:170px;object-fit:cover;border:8px solid #f2ecff;border-radius:50%}.learn-result-modal .learn-result-encouragement{margin:0;color:#8163df;font-size:1rem;font-weight:800}.learn-result-actions{margin-top:4px}.learn-result-modal .learn-result-tip{margin:4px 0 0;color:#726b88;font-size:.72rem;line-height:1.35}.quiz-intro-screen{position:relative;display:flex;min-height:100vh;padding:28px 42px 26px;flex-direction:column;overflow:hidden;background:radial-gradient(circle at 10% 35%,rgb(255 255 255 / 45%) 0 34px,transparent 35px),radial-gradient(circle at 92% 18%,rgb(255 255 255 / 40%) 0 50px,transparent 51px),linear-gradient(180deg,#fff7c9,#fff9db)}.quiz-intro-content{display:grid;margin-top:72px;place-items:center;text-align:center}.quiz-intro-mark{display:grid;width:104px;height:104px;place-items:center;color:#fff;background:#ffca2f;border:9px solid #fff0a4;border-radius:50%;box-shadow:0 9px #e8ab1e;font-size:4rem;font-weight:800}.quiz-intro-content h1{margin:30px 0 12px;color:#ff7c63;font-size:2.35rem}.quiz-intro-content p{margin:0;color:#7f8490;font-size:.95rem;line-height:1.55}.quiz-intro-stats{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:32px}.quiz-intro-stats div{display:grid;min-height:96px;padding:13px;place-items:center;align-content:center;gap:4px;background:#ffffffd1;border-radius:18px;box-shadow:0 9px 22px #86671c12}.quiz-intro-stats strong{color:#7961d6;font-size:2rem}.quiz-intro-stats span{color:#7f8490;font-size:.76rem;font-weight:800}.quiz-reassurance{margin:24px auto 0;padding:9px 18px;color:#32ae78;background:#e8f9e9;border-radius:999px;font-size:.78rem;font-weight:800}.hero-card{display:grid;place-items:center;min-height:430px;padding:34px;text-align:center;background:linear-gradient(160deg,#fff,#fff7ed)}.hero-card h1{margin:12px 0;font-size:clamp(2.2rem,9vw,4rem);line-height:1.03}.hero-card p{max-width:480px;color:#7b8493;line-height:1.6}.big-emoji{font-size:6rem}.lesson-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}.lesson-steps div{display:grid;place-items:center;gap:8px;min-height:110px;padding:12px;background:#fff;border-radius:22px;box-shadow:var(--shadow);text-align:center}.lesson-steps span{display:grid;width:36px;height:36px;place-items:center;color:#fff;background:var(--purple);border-radius:50%;font-weight:800}.progress{width:calc(100% - 70px);height:12px;margin:24px auto 6px;overflow:hidden;background:#dff3f1;border-radius:999px}.progress span{display:block;height:100%;background:var(--mint);border-radius:inherit;transition:width .25s ease}.progress-label{margin:0 8px 10px;color:var(--muted);text-align:right;font-weight:800}.flashcard{display:grid;place-items:center;min-height:540px;padding:30px;text-align:center}.flashcard img{width:min(62vw,320px);aspect-ratio:1;object-fit:contain;background:#fff4ee;border-radius:28px}.flashcard h1{margin:18px 0 4px;font-size:clamp(4rem,18vw,7rem);line-height:1}.flashcard:not(:has(img)) h1{margin-block:80px 40px;font-size:clamp(6rem,26vw,11rem)}.spelling{min-width:70%;margin:10px 0 18px;padding:12px 18px;color:var(--mint);background:#edf9f8;border-radius:999px;font-size:1.25rem;font-weight:800}.audio-button,.text-button,.listen-prompt{min-height:54px;padding:0 22px;color:var(--mint);background:#edfafa;border:0;border-radius:999px;font-weight:800}.spelling-target{display:grid;min-height:210px;margin:0 auto 32px;place-items:center;color:var(--purple);font-size:clamp(4.5rem,18vw,8rem);font-weight:800}.quiz-question .spelling-target{min-height:0;margin:0 auto;font-size:clamp(4.5rem,20vw,5.5rem)}.option{overflow-wrap:anywhere}.auto-play{color:#677184;text-align:center}.auto-play:first-letter{color:var(--mint)}.quiz-screen-shell{display:grid;min-height:100vh;height:100vh;padding:10px 18px 12px;grid-template-rows:72px 28px minmax(0,1fr);gap:8px;overflow:hidden;background:linear-gradient(180deg,#fffaf0,#fffdf9)}.quiz-screen-shell .topbar{min-height:72px;margin-bottom:0}.quiz-progress{align-self:center;width:100%;height:10px;overflow:hidden;background:#e8ecef;border-radius:999px}.quiz-progress span{display:block;height:100%;background:#8d70e9;border-radius:inherit;transition:width .25s ease}.quiz-question{display:grid;width:100%;max-width:680px;height:100%;min-height:0;margin:0 auto;gap:10px;overflow:hidden}.quiz-question[data-quiz-type=MEANING_QUIZ],.quiz-question[data-quiz-type=RECOGNITION_QUIZ]{grid-template-rows:88px auto minmax(0,1fr) 70px}.quiz-question[data-quiz-type=SPELLING_CHOICE_QUIZ]{grid-template-rows:88px 112px minmax(0,1fr) 70px}.quiz-question[data-quiz-type=SPELLING_ORDER_QUIZ]{grid-template-rows:88px 104px 62px minmax(0,1fr) 78px 70px}.quiz-question[data-quiz-type=MATCHING_DRAG_QUIZ]{grid-template-rows:88px minmax(0,1fr) auto 78px}.quiz-heading{display:grid;align-items:center;min-height:0;margin:0 4px}.quiz-heading h2{margin:0;overflow:hidden;font-size:clamp(1.375rem,6vw,1.75rem);font-weight:800;line-height:1.2}.quiz-image,.listen-prompt{display:block;width:min(52vw,220px);aspect-ratio:1;margin:0 auto;object-fit:contain;background:#dff2ff;border-radius:28px}.listen-prompt{color:#fff;background:linear-gradient(145deg,#b5a1ff,#8063ed);font-size:5rem}.quiz-image-card{position:relative;width:min(52vw,220px);margin:0 auto}.quiz-image-card .quiz-image{width:100%;margin:0}.image-speaker{display:grid;position:absolute;right:12px;bottom:12px;width:44px;height:44px;padding:0;place-items:center;color:#fff;background:var(--mint);border:0;border-radius:50%;font-size:1.1rem}.image-speaker svg,.quiz-bottom-control svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.listen-prompt svg{width:78px;height:78px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;min-height:0;align-content:center}.option-list{display:grid;min-height:0;align-content:center;gap:10px}.option-list .option{min-height:0;height:76px}.phrase-options .option{padding:14px 18px;font-size:clamp(1.1rem,4.8vw,1.5rem);line-height:1.25}.option{min-height:0;height:84px;padding:14px;color:var(--ink);background:#fff;border:4px solid #e4e8ef;border-radius:22px;font-size:clamp(1.75rem,8vw,2rem);font-weight:800;line-height:1.18}.compact-target{min-height:0;margin-bottom:0}.quiz-bottom-control{margin:0 auto}.quiz-hint-control{width:100%;min-height:64px;margin-top:24px;padding:20px;color:#778196;background:#f1f3f6;border-radius:24px;text-align:center;font-weight:800}.spelling-slots{display:flex;min-height:0;margin-bottom:0;flex-wrap:wrap;justify-content:center;gap:8px}.spelling-slots button{min-width:62px;min-height:54px;padding:12px;color:var(--purple);background:#fff;border:2px dashed #cfc4f9;border-radius:16px;font-weight:800;text-align:center}.feedback-wrong .spelling-slots{animation:quiz-shake .32s ease}.feedback-wrong .spelling-slots button{color:#ba3434;background:#fff0f0;border-color:var(--coral)}.feedback-correct .spelling-slots button{color:#12835a;background:#e9fff6;border-color:var(--green)}.token-bank,.word-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-height:86px;margin-bottom:0;overflow:hidden}.token-bank button,.word-chips button{min-height:52px;padding:10px 18px;color:var(--ink);background:#fff;border:2px solid #dfe4ed;border-radius:16px;font-weight:800}.word-chips button.selected{color:#fff;background:var(--purple);border-color:var(--purple)}.matching-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));min-height:0;gap:8px;margin-bottom:0}.matching-card{position:relative;display:grid;height:min(100%,176px);padding:10px;grid-template-rows:1fr 44px;background:#fff;border:2px solid transparent;border-radius:24px;box-shadow:var(--shadow)}.matching-card img{width:100%;height:100%;max-height:88px;min-height:0;object-fit:contain;border-radius:16px}.matching-card .image-speaker{top:16px;right:16px;bottom:auto}.matching-drop-zone{display:grid;height:44px;margin-top:8px;place-items:center;border:2px dashed #b9c4d4;border-radius:14px}.matching-drop-zone.matched{border-color:var(--green);color:#12835a;background:#e9fff6;font-size:1.05rem}.matching-card.matched{border-color:#8bddbd;box-shadow:0 10px 25px #24bf7c24}.matching-card.wrong{border-color:#ff9699;background:#fff8f8;animation:quiz-shake .32s ease}.option.correct{color:#12835a;background:#e9fff6;border-color:var(--green)}.option.wrong{color:#ba3434;background:#fff0f0;border-color:var(--coral)}.feedback-wrong .option.wrong{animation:quiz-shake .32s ease}.quiz-screen-shell{display:flex;height:100vh;min-height:100vh;padding:max(34px,env(safe-area-inset-top)) 28px max(18px,env(safe-area-inset-bottom));flex-direction:column;gap:0;overflow:hidden;background:linear-gradient(180deg,#fffaf0,#fffdf9)}.quiz-screen-shell[data-quiz-type=RECOGNITION_QUIZ]{background:linear-gradient(180deg,#fff5bf,#fffdf0 58%,#fffaf1)}.quiz-topbar{display:grid;height:88px;flex:0 0 88px;grid-template-columns:64px 1fr 112px;align-items:center;gap:18px}.quiz-topbar .flow-close-button{width:56px;height:56px;background:#efefef;font-size:2.2rem}.quiz-progress{align-self:center;width:100%;height:16px;overflow:hidden;background:#dff3f1;border-radius:999px}.quiz-screen-shell[data-quiz-type=RECOGNITION_QUIZ] .quiz-progress{background:#fff3c7}.quiz-progress span{display:block;height:100%;background:var(--mint);border-radius:inherit;transition:width .25s ease}.quiz-screen-shell[data-quiz-type=RECOGNITION_QUIZ] .quiz-progress span{background:#ffdf58}.quiz-mode-pill{display:inline-flex;min-height:54px;align-items:center;justify-content:center;color:var(--coral);background:#fff0f1;border-radius:999px;font-family:var(--font-display);font-size:1.25rem;font-weight:800}.quiz-mode-recognition_quiz{color:#e37a00;background:#ffefc8}.quiz-mode-spelling_choice_quiz,.quiz-mode-spelling_order_quiz,.quiz-mode-matching_drag_quiz{color:var(--purple);background:#f1edff}.quiz-question{display:flex;width:100%;max-width:680px;min-height:0;margin:0 auto;flex:1 1 auto;flex-direction:column;gap:0;overflow:hidden}.quiz-heading{display:flex;height:88px;flex:0 0 88px;align-items:center;justify-content:center;gap:14px;margin:0;padding:8px 0 12px}.quiz-heading-icon{display:grid;width:44px;height:44px;flex:0 0 44px;place-items:center;color:var(--coral)}.quiz-heading-icon svg{width:34px;height:34px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2.2}.quiz-heading h2{margin:0;color:var(--ink);font-family:var(--font-display);font-size:clamp(1.65rem,7vw,1.9rem);font-weight:800;line-height:1.18;letter-spacing:.01em}.quiz-content{display:flex;min-height:0;flex:1 1 auto;flex-direction:column;overflow:hidden}.bottomAction{display:flex;width:100%;height:92px;flex:0 0 92px;justify-content:center;padding-top:14px}.bottomAction--single .btn{width:100%;height:62px}.bottomAction--pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}.bottomAction--pair .btn{width:100%;height:58px;min-height:58px}.meaning-content{justify-content:space-between}.listen-content{justify-content:flex-end}.quiz-image-card{position:relative;display:grid;width:100%;height:min(34vh,310px);min-height:220px;margin:0 auto 16px;place-items:center;overflow:hidden;background:#dff2ff;border-radius:28px}.quiz-image{display:block;width:min(54vw,230px);max-height:82%;object-fit:contain;background:transparent;border-radius:0}.listen-prompt{display:flex;width:min(53vw,204px);height:min(53vw,204px);min-height:0;margin:0 auto 18px;align-items:center;justify-content:center;color:#f2a800;background:radial-gradient(circle,#fff6d9,#fff1bd 62%,#fff8e7);border:0;border-radius:999px;box-shadow:none}.listen-prompt svg{width:86px;height:86px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.option-list,.option-grid{min-height:0}.option-list{display:flex;flex-direction:column;gap:12px}.option-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.option{display:flex;min-height:84px;height:auto;align-items:center;justify-content:center;padding:10px 16px;color:var(--ink);background:#fff;border:4px solid #e4e8ef;border-radius:24px;font-family:var(--font-display);font-size:clamp(1.85rem,8vw,2.15rem);font-weight:800;line-height:1.15;text-align:center}.listen-content .option{min-height:78px;border-color:#f2d982}.phrase-options .option{min-height:82px;padding:10px 16px;font-size:clamp(1.28rem,5.2vw,1.7rem);line-height:1.25}.spelling-choice-content,.spelling-order-content{justify-content:center;gap:14px}.quiz-question .spelling-target{display:flex;min-width:168px;min-height:82px;margin:0 auto 8px;padding:0 30px;align-items:center;justify-content:center;color:var(--teal-deep);background:var(--tealSoft, #e9fbfa);border-radius:24px;font-family:var(--font-display);font-size:clamp(3.4rem,16vw,4.6rem);font-weight:800;line-height:1}.matching-content{gap:12px}.matching-grid{display:grid;min-height:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.matching-card{position:relative;display:grid;min-height:0;height:min(24vh,176px);padding:10px;grid-template-rows:minmax(0,1fr) 44px;background:#fff;border:2px solid #d8f3e9;border-radius:24px;box-shadow:0 10px 28px #17223814}.matching-card img{width:100%;height:100%;max-height:94px;min-height:0;object-fit:contain;border-radius:16px}.word-chips{display:flex;max-height:76px;flex-wrap:wrap;justify-content:center;gap:8px;overflow:hidden}@keyframes quiz-shake{0%,to{transform:translate(0)}30%{transform:translate(-6px)}60%{transform:translate(6px)}}.text-button{display:block;margin:0 auto;font-size:1rem}.celebration{overflow:hidden;text-align:center}.confetti{color:var(--yellow);font-size:2rem;letter-spacing:1.3rem}.result-card,.reward-card{display:grid;place-items:center;min-height:540px;margin-top:18px;padding:34px;background:linear-gradient(160deg,#fff,#fff7e0)}.flow-result-card{display:grid;min-height:500px;margin-top:18px;padding:34px 24px;place-items:center;align-content:center;gap:15px;text-align:center}.flow-result-card h1{margin:0;font-size:2.1rem}.flow-result-card p{margin:0;color:var(--muted);line-height:1.6}.result-icon{display:grid;width:126px;height:126px;place-items:center;color:#fff;background:linear-gradient(145deg,#55d7b2,#21b980);border:14px solid #dffff4;border-radius:50%;font-size:4.5rem;font-weight:800}.daily-complete-card .result-icon{color:#fff9b2;background:linear-gradient(145deg,#ffc928,#f39b13);border-color:#fff0ab}.quiz-intro-card{text-align:center}.quiz-intro-steps{margin-top:20px}.result-ring{display:grid;width:190px;height:190px;place-items:center;color:var(--coral);background:#fff;border:18px solid #ffd8d5;border-radius:50%;box-shadow:var(--shadow)}.result-ring strong{font-size:4rem;line-height:.8}.result-card h1,.reward-card h1{margin:18px 0 4px;font-size:clamp(2rem,9vw,3.8rem)}.result-card p{color:var(--muted)}.result-stats{display:flex;gap:12px}.result-stats span{padding:12px 18px;background:#fff;border-radius:999px;box-shadow:0 7px 18px #282f3c1a;font-weight:800}.star-burst{display:grid;width:170px;height:170px;place-items:center;color:#ffec66;background:var(--yellow);border:18px solid #fff1ad;border-radius:50%;box-shadow:0 0 0 20px #ffc9282e;font-size:6rem;text-shadow:0 6px #e39d00}.reward-card h1 strong{color:var(--coral)}.sticker-reveal{display:grid;place-items:center}.sticker-reveal img{width:150px;height:150px;object-fit:contain}.achievement-card,.collection-card{padding:26px}.collection-card h2{margin:6px 0 22px}.sticker-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.sticker{display:grid;aspect-ratio:1;padding:12px;place-items:center;background:#fff7dc;border-radius:24px}.sticker img{width:100%;height:100%;object-fit:contain}.sticker.locked{filter:grayscale(1);opacity:.16}.achievement-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.achievement-summary div{display:grid;min-width:0;padding:13px 4px;place-items:center;background:#fff;border-radius:18px;box-shadow:0 7px 18px #292f3b14}.achievement-summary strong{color:var(--coral);font-size:1.3rem}.achievement-summary span{color:#7a8495;font-size:.68rem}.leaderboard-entry{display:grid;grid-template-columns:54px 1fr auto;width:100%;margin-bottom:14px;padding:12px 16px;align-items:center;gap:12px;color:#17472d;background:linear-gradient(135deg,#e7f9ce,#d5f2b8);border:2px solid #91cf62;border-radius:22px;text-align:left}.leaderboard-entry>span:nth-child(2){display:grid;gap:2px}.leaderboard-entry small{color:#668064}.leaderboard-entry b{font-size:1.8rem}.leaderboard-entry-icon{display:grid;width:52px;height:52px;place-items:center;color:#fff;background:#69bd43;border-radius:16px}.leaderboard-entry-icon svg,.leaderboard-trophy svg{width:34px;height:34px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.achievement-card h2{margin:6px 0 22px}.achievement-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.achievement-grid article{display:grid;min-height:180px;place-items:center;align-content:center;gap:8px;padding:16px 10px;background:#fff7dc;border-radius:24px;text-align:center}.achievement-grid article>span{color:#758095;font-size:.78rem}.achievement-medal{display:grid;width:68px;height:68px;place-items:center;color:#fff;background:linear-gradient(145deg,#ffc928,#f59c19);border:7px solid #fff0a6;border-radius:50%}.achievement-medal svg{width:38px;height:38px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.achievement-empty{padding:24px;color:var(--muted);background:#f7f8fa;border-radius:20px;text-align:center}.leaderboard-screen{position:relative;min-height:100vh;padding-top:max(26px,env(safe-area-inset-top));background:radial-gradient(circle at 15% 12%,rgb(255 255 255 / 80%),transparent 85px),linear-gradient(180deg,#ccefff 0 22%,#e8f8d9 22% 100%)}.leaderboard-back{display:grid;position:absolute;z-index:2;top:24px;left:18px;width:46px;height:46px;place-items:center;color:#183653;background:#fff;border:0;border-radius:50%;box-shadow:0 5px 14px #214a4124;font-size:2rem}.leaderboard-trophy{display:grid;width:82px;height:82px;margin:0 auto -9px;place-items:center;color:#fff7a8;background:linear-gradient(145deg,#ffca33,#f28d14);border:9px solid #fff3a9;border-radius:50%}.leaderboard-trophy svg{width:50px;height:50px}.leaderboard-screen>h1{position:relative;z-index:1;width:82%;margin:0 auto 14px;padding:13px 8px;color:#fff;background:linear-gradient(180deg,#54c33a,#28a72b);border-radius:8px;box-shadow:0 6px #208f24;font-size:1.45rem;text-align:center}.leaderboard-card{padding:13px 12px;background:#fff;border:3px solid #b4df88;border-radius:28px;box-shadow:0 12px 28px #23623126}.leaderboard-row{display:grid;grid-template-columns:38px 45px minmax(0,1fr) auto;min-height:58px;padding:7px 8px;align-items:center;gap:8px;border-bottom:1px solid #edf0e8}.leaderboard-row.current{margin-top:7px;background:#efffe9;border:2px solid #64bd46;border-radius:18px}.leaderboard-row img{width:42px;height:42px;object-fit:cover;border-radius:50%}.leaderboard-row strong{overflow:hidden;font-size:.88rem;text-overflow:ellipsis;white-space:nowrap}.rank{display:grid;width:30px;height:30px;place-items:center;color:#4b5669;font-weight:800}.rank-1,.rank-2,.rank-3{color:#fff;background:#f6b51d;border:3px solid #ffe490;border-radius:50%}.rank-2{background:#98a7b9;border-color:#dfe5ec}.rank-3{background:#d77d35;border-color:#f6c093}.leaderboard-score{color:#e99e00;font-size:.78rem;font-weight:800;white-space:nowrap}.leaderboard-separator{color:#74b24c;text-align:center;letter-spacing:.55rem}.settings-card{display:grid;gap:12px;padding:16px}.settings-card button{display:grid;grid-template-columns:48px 1fr auto;min-height:72px;padding:10px 14px;align-items:center;gap:12px;color:var(--ink);background:#f8fafc;border:0;border-radius:20px;text-align:left}.settings-card button b{font-size:1.7rem}.settings-symbol{display:grid;width:46px;height:46px;place-items:center;color:#fff;background:var(--mint);border-radius:15px;font-weight:800}.gate-card{display:grid;max-width:100%;min-height:560px;margin:50px auto;padding:38px;place-items:center;text-align:center}.sync-card{display:grid;max-width:100%;margin:28px auto 0;padding:34px;place-items:center;text-align:center;box-shadow:none}.sync-cloud{display:grid;width:112px;height:112px;place-items:center;color:#fff;background:linear-gradient(145deg,#74d8d1,#37b8b1);border-radius:36px;font-size:4rem}.sync-card h1{margin:20px 0 8px}.sync-card>p{max-width:100%;color:var(--muted);line-height:1.6}.sync-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;width:100%;margin:18px 0}.sync-metrics div{display:grid;gap:5px;padding:16px 8px;background:#f7f9fb;border-radius:18px}.sync-metrics strong{font-size:1.8rem}.sync-metrics span{color:var(--muted);font-size:.8rem}.sync-message{width:100%;padding:12px 16px;border-radius:14px}.firebase-account{display:grid;gap:4px;width:100%;margin-bottom:12px;padding:16px;background:#f4f8ff;border-radius:18px}.firebase-account span{color:var(--muted);font-size:.85rem;font-weight:800}.firebase-account .text-button{justify-self:center;margin-top:6px}.success-message{color:#147653!important;background:#e8faf3}.sync-card .error{color:#a83232;background:#fff0f0}.sync-privacy{max-width:100%;margin-inline:auto}.lock{font-size:5rem}.gate-card h1{margin:8px 0;font-size:2.3rem}.equation{font-size:3.2rem}.gate-card input{max-width:220px;text-align:center;font-size:2rem;font-weight:800}.error{color:#d53f3f}.child-selector{display:grid;grid-template-columns:58px 1fr auto;align-items:center;gap:14px;padding:16px 22px}.child-selector img{width:58px;height:58px;object-fit:cover;border-radius:50%}.child-selector span{color:var(--muted)}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}.metric{display:grid;min-height:150px;align-content:center;gap:10px;padding:24px;box-shadow:none}.metric strong{font-size:2.7rem}.metric span{color:var(--muted)}.metric.accent strong{color:var(--green)}.report-card{margin-top:18px;padding:26px;box-shadow:none}.report-card h2{margin-top:0}.report-card p,.report-card li{color:#7d8798;line-height:1.6}.bar-label{display:flex;justify-content:space-between}.report-bar{height:14px;margin:12px 0;overflow:hidden;background:#edf0f4;border-radius:999px}.report-bar span{display:block;height:100%;background:var(--coral);border-radius:inherit}@media(max-width:420px){.screen{padding-inline:14px}.lesson-intro-screen{padding-inline:42px}.flashcard-learn-screen{padding-inline:28px}.learn-result-screen{padding-inline:22px}.quiz-intro-screen{padding-inline:36px}.welcome{grid-template-columns:112px minmax(0,1fr);gap:12px}.welcome h1{font-size:1.7rem}.welcome p{font-size:.9rem}.form-card{padding:20px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}.splash-screen{width:100%;max-width:430px;height:100vh;height:100dvh;margin:0 auto;position:relative;overflow:hidden;background:#1a1040}.splash-bg{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.splash-bottom{position:absolute;bottom:0;left:0;right:0;padding:0 40px 48px;display:flex;flex-direction:column;align-items:center;gap:12px}.splash-progress{width:100%;height:6px;background:#fff3;border-radius:999px;overflow:hidden}.splash-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,#ff8a65,#f4511e);border-radius:999px;animation:splash-bar-fill 3.2s ease-out forwards}@keyframes splash-bar-fill{0%{width:0%}60%{width:70%}to{width:100%}}.splash-loading{color:#ffffffb3;font-size:.85rem;font-weight:600;margin:0}.lesson-listen-hint{display:flex;align-items:center;gap:8px;padding:12px 20px;background:var(--lavender);border-radius:16px;color:var(--purple-deep);font-weight:700;font-size:.9rem;cursor:pointer;margin-top:8px}.lesson-listen-hint:active{transform:scale(.97)}.lesson-start-button{margin-top:16px}.flashcard-next-button{margin-top:auto}.reward-underlay-screen{filter:blur(6px);opacity:.5}.reward-popup-screen{display:flex;align-items:center;justify-content:center;background:transparent;padding:0}.reward-popup-underlay{position:absolute;inset:0;z-index:0}.reward-popup-scrim{position:absolute;inset:0;background:#00000073;z-index:1}.reward-popup-modal-wrap{position:relative;z-index:2;width:100%;max-width:380px;padding:16px}.reward-popup-card{background:#fff;border-radius:24px;padding:32px 24px;text-align:center;position:relative;overflow:hidden;box-shadow:0 16px 48px #0003;display:flex;flex-direction:column;align-items:center;gap:8px}.reward-popup-close{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;border:none;background:#0000000f;color:#666;font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:5}.reward-popup-card h1{font-family:var(--font-display);font-size:1.5rem;font-weight:900;color:var(--navy);margin:0}.reward-popup-copy{font-size:.9rem;color:var(--text-muted);margin:0}.reward-confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}.reward-confetti span{position:absolute;width:6px;height:8px;border-radius:2px;top:-10px;animation:confetti-fall 2.5s ease-in infinite}.reward-confetti span:nth-child(odd){background:#ff696f}.reward-confetti span:nth-child(2n){background:#22cfc7}.reward-confetti span:nth-child(3n){background:#f5c542}.reward-confetti span:nth-child(5n){background:#a78bfa}.reward-confetti span:nth-child(1){left:5%;animation-delay:0s}.reward-confetti span:nth-child(2){left:15%;animation-delay:.3s}.reward-confetti span:nth-child(3){left:25%;animation-delay:.6s}.reward-confetti span:nth-child(4){left:35%;animation-delay:.1s}.reward-confetti span:nth-child(5){left:45%;animation-delay:.8s}.reward-confetti span:nth-child(6){left:55%;animation-delay:.4s}.reward-confetti span:nth-child(7){left:65%;animation-delay:.7s}.reward-confetti span:nth-child(8){left:75%;animation-delay:.2s}.reward-confetti span:nth-child(9){left:85%;animation-delay:.9s}.reward-confetti span:nth-child(10){left:92%;animation-delay:.5s}.reward-confetti span:nth-child(n+11){left:10%;animation-delay:.3s}.reward-confetti span:nth-child(n+16){left:50%;animation-delay:.6s}@keyframes confetti-fall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(400px) rotate(720deg);opacity:0}}.reward-hero-icon-img{width:100px;height:100px;object-fit:contain;filter:drop-shadow(0 4px 12px 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opacity(.35);width:100%;height:100%}.coll-sticker-card-4-check{position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:50%;background:#16a34a;color:#fff;font-size:.55rem;font-weight:900;display:flex;align-items:center;justify-content:center}.coll-sticker-card-4-lock{position:absolute;top:4px;right:4px;font-size:.7rem}.coll-sticker-card-4-name{font-size:.7rem;font-weight:700;color:var(--navy);line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.coll-sticker-card-4-mini-bar{width:80%;height:3px;background:#e5e7eb;border-radius:999px;overflow:hidden}.coll-sticker-card-4-mini-fill{width:100%;height:100%;background:linear-gradient(90deg,#7c5cff,#22cfc7);border-radius:999px}.coll-sticker-card-4-zero{font-size:.6rem;font-weight:600;color:#bbb}.coll-sticker-popup-scrim{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100}.coll-sticker-popup-card{background:#fff;border-radius:24px;padding:32px;display:flex;flex-direction:column;align-items:center;gap:12px;max-width:280px;width:90%;animation:popup-in 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