*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--yellow:#fffde7;--orange:#ffb347;--coral:#ff6b6b;--teal:#00897b;--teal-light:#b2dfdb;--purple:#ce93d8;--purple-light:#f3e5f5;--bg:#fff8e1;--text:#333;--radius:20px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}html,body,#root{width:100%;height:100%;overflow:hidden}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior:none;font-family:Nunito,sans-serif}h1,h2,h3{font-family:Fredoka One,cursive}button{cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;outline:none;font-family:Nunito,sans-serif}.screen{width:100%;height:100%;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom);flex-direction:column;display:flex}.hero-section{text-align:center;padding:8px 0 4px}.hero-mascot{margin-bottom:4px;font-size:56px;display:block}.hero-title{color:var(--coral);margin-bottom:6px;font-size:30px}.hero-tagline{color:#666;max-width:320px;margin:0 auto 10px;font-size:14px;line-height:1.5}.hero-subjects{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.hero-pill{color:var(--teal);background:var(--teal-light);border-radius:12px;padding:4px 12px;font-size:13px;font-weight:700}.home-pick-label{color:#999;margin-bottom:2px;font-size:13px;font-weight:600}.home-links{align-items:center;gap:4px;margin-top:4px;display:flex}.home-link-dot{color:#ccc;font-size:16px}.home-screen{-webkit-overflow-scrolling:touch;background:linear-gradient(160deg,#fff8e1 0%,#ffecb3 50%,#ffe0b2 100%);align-items:center;gap:16px;padding:24px 16px;overflow-y:auto}.home-header{align-items:center;gap:16px;width:100%;max-width:420px;display:flex}.home-mascot{font-size:52px}.home-heading{color:var(--coral);margin-bottom:2px;font-size:26px}.home-sub{color:#666;font-size:15px}.topic-list{flex-direction:column;gap:12px;width:100%;max-width:420px;display:flex}.topic-card{text-align:left;background:#fff;border-radius:20px;align-items:center;gap:14px;padding:18px 16px;transition:transform .15s;display:flex;box-shadow:0 2px 10px #0000000f}.topic-card:active{transform:scale(.98)}.topic-icon{flex-shrink:0;font-size:36px}.level-icon{background:linear-gradient(135deg, var(--coral), var(--orange));color:#fff;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;font-family:Fredoka One,cursive;font-size:28px;display:flex}.topic-info{flex:1;min-width:0}.topic-title{color:var(--text);margin-bottom:2px;font-size:18px}.topic-desc{color:#999;margin-bottom:4px;font-size:13px}.topic-stars{color:var(--orange);font-size:13px;font-weight:700}.topic-arrow{color:#ccc;flex-shrink:0;font-size:24px;font-weight:700}.intro-screen{text-align:center;background:linear-gradient(160deg,#fff8e1 0%,#ffecb3 50%,#ffe0b2 100%);justify-content:center;align-items:center;gap:20px;padding:24px}.intro-header{align-items:center;gap:12px;display:flex}.intro-mascot{font-size:40px}.intro-title{color:var(--coral);font-size:24px}.intro-content{background:#fff;border-radius:24px;width:100%;max-width:380px;padding:24px 20px;box-shadow:0 2px 12px #00000014}.intro-clock{justify-content:center;margin-bottom:16px;display:flex}.intro-emoji{margin-bottom:12px;font-size:28px;line-height:1.6}.intro-text{color:var(--text);font-size:18px;line-height:1.6}.intro-dots{gap:8px;display:flex}.intro-dot{background:#ddd;border-radius:50%;width:10px;height:10px}.intro-dot-active{background:var(--orange)}.intro-actions{align-items:center;gap:12px;display:flex}.intro-back-btn{color:var(--teal);background:0 0;padding:12px 20px;font-size:16px;font-weight:700}.intro-next-btn{padding:14px 36px;font-size:18px}.welcome-screen{-webkit-overflow-scrolling:touch;background:linear-gradient(160deg,#fff8e1 0%,#ffecb3 50%,#ffe0b2 100%);align-items:center;gap:12px;padding:20px 16px;overflow-y:auto}.welcome-header{text-align:left;align-items:center;gap:16px;width:100%;max-width:420px;display:flex}.welcome-heading{color:var(--coral);margin-bottom:2px;font-size:28px}.welcome-sub{color:#666;font-size:15px}.welcome-progress{color:var(--teal);background:#fff;border-radius:20px;gap:20px;padding:10px 24px;font-size:15px;font-weight:700;display:flex;box-shadow:0 2px 8px #00000014}.module-list{flex-direction:column;gap:10px;width:100%;max-width:420px;display:flex}.module-card{text-align:left;background:#fff;border-radius:18px;align-items:center;gap:12px;padding:14px 16px;display:flex;box-shadow:0 2px 8px #0000000f}.module-locked{opacity:.5}.module-info{flex:1;min-width:0}.module-title-row{align-items:center;gap:8px;margin-bottom:2px;display:flex}.module-number{background:var(--orange);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-family:Fredoka 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0;padding:4px;font-size:16px}.mv-error{color:var(--coral);width:100%;font-size:13px}.module-play-btn{background:var(--teal);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:20px;transition:transform .15s;display:flex;box-shadow:0 2px 8px #00897b4d}.module-play-btn:active{transform:scale(.92)}.module-lock{color:#ccc;text-align:center;flex-shrink:0;font-size:13px;font-weight:700}.module-completed{border:2px solid #c8e6c9}.module-number-done{background:#4caf50}.module-redo-btn{background:var(--orange);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;transition:transform .15s;display:flex;box-shadow:0 2px 8px #ffb3474d}.module-redo-btn:active{transform:scale(.92)}.btn-primary{background:linear-gradient(135deg, var(--coral), #ff8a65);color:#fff;border-radius:50px;min-height:56px;padding:16px 48px;font-family:Fredoka 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16px;font-size:13px;display:flex}.chat-stars{font-weight:800}.chat-reward-hint{color:#999;font-size:13px}.chat-messages{-webkit-overflow-scrolling:touch;flex-direction:column;flex:1;gap:10px;padding:12px 12px 8px;display:flex;overflow-y:auto}.chat-bubble-row{align-items:flex-end;gap:8px;animation:.3s fadeSlideIn;display:flex}.chat-bubble-row.koko{align-self:flex-start}.chat-bubble-row.student{flex-direction:row-reverse;align-self:flex-end}.avatar{flex-shrink:0;font-size:28px}.chat-bubble{border-radius:var(--radius);word-wrap:break-word;overflow-wrap:break-word;word-break:break-word;white-space:pre-wrap;max-width:85%;padding:12px 16px;font-size:16px;line-height:1.5}.bubble-koko{background:#fff;border-bottom-left-radius:4px;box-shadow:0 1px 4px #0000000f}.bubble-student{background:var(--teal);color:#fff;border-bottom-right-radius:4px}.bubble-clock{justify-content:center;margin:8px 0;display:flex}.speak-btn{min-width:unset;opacity:.5;vertical-align:middle;background:0 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fadeSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.clock-svg{filter:drop-shadow(0 2px 6px #0000001a);display:block}button:focus-visible{outline:3px solid var(--teal);outline-offset:2px}@media (hover:hover){.btn-primary:hover{filter:brightness(.95)}.choice-btn:hover{border-color:var(--teal)}.topic-card:hover{box-shadow:0 4px 12px #0000001a}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=420px){.hero-title{font-size:26px}.hero-tagline{max-width:90vw}.module-video-edit{flex-direction:column;gap:8px}.mv-input{width:100%;min-width:unset}.chat-bubble{max-width:90%}.ad-placeholder{width:280px;height:40px}}@media 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