@import "https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@400;700;900&family=Outfit:wght@400;600;800&display=swap";:root{--font-family:"M PLUS Rounded 1c", "Outfit", sans-serif;--transition-speed:.3s;--border-radius-lg:24px;--border-radius-md:16px;--border-radius-sm:12px;--box-shadow-soft:0 8px 30px #0000000f;--box-shadow-medium:0 12px 40px #0000001f;--box-shadow-button:0 6px 0px #00000026;--box-shadow-button-active:0 2px 0px #00000026}[data-theme=dinosaur]{--bg-gradient:linear-gradient(135deg, #090d16 0%, #111827 100%);--bg-jungle:#1f2937;--card-bg:#111827e6;--card-border:#0f6;--text-primary:#0f6;--text-secondary:#38bdf8;--text-muted:#6b7280;--text-draw:#0f6;--btn-primary-bg:#ea580c;--btn-primary-hover:#c2410c;--btn-primary-text:#fff;--btn-secondary-bg:#1f2937;--btn-secondary-hover:#374151;--btn-secondary-text:#0f6;--accent-color:#38bdf8;--accent-light:#38bdf81a;--progress-bar-bg:#111827;--progress-bar-fill:#0f6;--shadow-color:#00ff6659;--canvas-bg:#090d16;--grid-color:#1f2937;--model-color:#38bdf840}[data-theme=pooh]{--bg-gradient:linear-gradient(135deg, #fffde7 0%, #fff9c4 100%);--bg-jungle:#fff59d;--card-bg:#fffffff5;--card-border:#ffe082;--text-primary:#5d4037;--text-secondary:#795548;--text-muted:#a1887f;--text-draw:#3e2723;--btn-primary-bg:#e53935;--btn-primary-hover:#d32f2f;--btn-primary-text:#fff;--btn-secondary-bg:#ffb300;--btn-secondary-hover:#ffa000;--btn-secondary-text:#3e2723;--accent-color:#ffb300;--accent-light:#fffde7;--progress-bar-bg:#efebe9;--progress-bar-fill:#e53935;--shadow-color:#5d403726;--canvas-bg:#fff;--grid-color:#ffe082;--model-color:#5d403733}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;margin:0;padding:0}body{font-family:var(--font-family);background:var(--bg-gradient);color:var(--text-primary);min-height:100vh;min-height:-webkit-fill-available;transition:background var(--transition-speed) ease;flex-direction:column;display:flex;overflow-x:hidden}html{height:-webkit-fill-available}#root{flex-direction:column;flex:1;display:flex}h1,h2,h3,h4{font-weight:900;line-height:1.3}.btn-3d{font-family:var(--font-family);border-radius:var(--border-radius-md);cursor:pointer;box-shadow:var(--box-shadow-button);border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:1.1rem;font-weight:700;transition:all .1s;display:inline-flex;position:relative;top:0}.btn-3d:active:not(:disabled){box-shadow:var(--box-shadow-button-active);top:4px}.btn-3d:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;top:0}.btn-primary{background-color:var(--btn-primary-bg);color:var(--btn-primary-text)}.btn-primary:hover:not(:disabled){background-color:var(--btn-primary-hover)}.btn-secondary{background-color:var(--btn-secondary-bg);color:var(--btn-secondary-text)}.btn-secondary:hover:not(:disabled){background-color:var(--btn-secondary-hover)}.app-container{flex-direction:column;flex:1;width:100%;max-width:1024px;min-height:100vh;margin:0 auto;padding:16px;display:flex}.app-header{background:var(--card-bg);border-radius:var(--border-radius-md);border:3px solid var(--card-border);box-shadow:var(--box-shadow-soft);justify-content:space-between;align-items:center;margin-bottom:16px;padding:8px 16px;display:flex}.header-logo{color:var(--text-primary);align-items:center;gap:8px;font-size:1.3rem;font-weight:900;display:flex}.header-stats{align-items:center;gap:16px;display:flex}.stat-badge{background:var(--accent-light);border:2px solid var(--card-border);border-radius:var(--border-radius-sm);align-items:center;gap:6px;padding:6px 12px;font-size:.95rem;font-weight:700;display:flex}.theme-toggle-btn{background:var(--btn-secondary-bg);color:var(--btn-secondary-text);border:2px solid var(--card-border);cursor:pointer;border-radius:50px;align-items:center;gap:6px;padding:6px 16px;font-size:.85rem;font-weight:700;display:flex}.home-container{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:20px;padding:12px 0;display:flex}.hero-section{text-align:center;margin-bottom:8px}.hero-title{color:var(--text-primary);text-shadow:0 4px 12px var(--shadow-color);margin-bottom:4px;font-size:2.2rem;font-weight:900}.hero-subtitle{color:var(--text-secondary);font-size:1.1rem;font-weight:700}.category-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;width:100%;display:grid}.category-grid-4{grid-template-columns:repeat(2,1fr);max-width:860px;margin:0 auto}.category-card{background:var(--card-bg);border:4px solid var(--card-border);border-radius:var(--border-radius-lg);box-shadow:var(--box-shadow-soft);text-align:center;cursor:pointer;flex-direction:column;align-items:center;gap:16px;padding:24px;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.category-card:hover{box-shadow:var(--box-shadow-medium);transform:translateY(-6px)}.category-card:active{transform:translateY(-2px)}.category-icon-wrapper{background:var(--accent-light);width:80px;height:80px;color:var(--text-primary);border:3px dashed var(--card-border);border-radius:50%;justify-content:center;align-items:center;display:flex}.category-title{color:var(--text-primary);font-size:1.8rem;font-weight:900}.category-subtitle-tag{color:var(--text-secondary);margin-top:-10px;font-size:1rem;font-weight:700}.category-description{color:var(--text-secondary);font-size:.95rem;font-weight:700}.quiz-category-badge{color:#fff;letter-spacing:.02em;border-radius:999px;align-items:center;gap:6px;margin-bottom:4px;padding:6px 16px;font-size:1rem;font-weight:800;display:inline-flex;box-shadow:0 2px 8px #0000002e}.category-progress{width:100%;margin-top:8px}.progress-text{justify-content:space-between;margin-bottom:6px;font-size:.85rem;font-weight:700;display:flex}.progress-bar-container{background:var(--progress-bar-bg);border:2px solid var(--card-border);border-radius:20px;width:100%;height:14px;overflow:hidden}.progress-bar-fill{background:var(--progress-bar-fill);border-radius:20px;height:100%;transition:width .4s}.card-badge{color:#3e2723;background:#ffb300;border:2px solid #fff;border-radius:50px;align-items:center;gap:4px;padding:4px 10px;font-size:.75rem;font-weight:900;display:flex;position:absolute;top:12px;right:12px;box-shadow:0 2px 8px #0000001a}.level-select-container{flex-direction:column;flex:1;gap:16px;display:flex}.back-btn-container{justify-content:flex-start;display:flex}.level-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:16px;width:100%;display:grid}.level-card{background:var(--card-bg);border:3px solid var(--card-border);border-radius:var(--border-radius-md);text-align:center;cursor:pointer;box-shadow:var(--box-shadow-soft);flex-direction:column;align-items:center;gap:8px;padding:16px 12px;transition:transform .2s,box-shadow .2s;display:flex}.level-card:hover{box-shadow:var(--box-shadow-medium);transform:translateY(-4px)}.level-card.disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.level-num{color:var(--text-primary);font-size:1.4rem;font-weight:900}.level-label{color:var(--text-secondary);font-size:.8rem;font-weight:700}.level-stars{justify-content:center;gap:4px;margin-top:4px;display:flex}.star-icon{color:#e2e8f0}.star-icon.filled{color:#ffb300;filter:drop-shadow(0 1px 2px #0000001a)}.quiz-container{flex-direction:column;flex:1;gap:16px;display:flex}.quiz-progress-header{background:var(--card-bg);border:3px solid var(--card-border);border-radius:var(--border-radius-md);box-shadow:var(--box-shadow-soft);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.quiz-question-box{background:var(--card-bg);border:4px solid var(--card-border);border-radius:var(--border-radius-lg);box-shadow:var(--box-shadow-soft);text-align:center;flex-direction:column;flex:1;align-items:center;gap:18px;padding:24px;display:flex}.quiz-sentence{color:var(--text-primary);word-break:break-all;margin:12px 0;font-size:2.2rem;font-weight:700;line-height:1.6}.highlight-kanji{color:#e53935;border-bottom:6px double #e53935;padding:0 4px;font-size:2.8rem;font-weight:900}.quiz-question-text{color:var(--text-secondary);font-size:1.2rem;font-weight:900}.drawing-canvas-container{flex-direction:column;align-items:center;gap:12px;width:100%;max-width:420px;margin:0 auto;display:flex}.canvas-wrapper{background:var(--canvas-bg,#fff);border:4px solid var(--card-border);border-radius:var(--border-radius-md);touch-action:none;width:320px;height:320px;position:relative;box-shadow:inset 0 2px 8px #0000001a}.writing-canvas{cursor:crosshair;border-radius:var(--border-radius-md);width:100%;height:100%}.canvas-toolbar{justify-content:center;gap:8px;width:100%;display:flex}.toolbar-btn{font-family:var(--font-family);border:2px solid var(--card-border);border-radius:var(--border-radius-sm);background:var(--card-bg,#fff);color:var(--text-primary);cursor:pointer;box-shadow:0 3px 0px var(--card-border);align-items:center;gap:4px;padding:8px 12px;font-size:.85rem;font-weight:700;display:flex;position:relative;top:0}.toolbar-btn:active:not(:disabled){box-shadow:0 1px 0px var(--card-border);top:2px}.toolbar-btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;top:0}.toolbar-btn.model-btn.active{background:var(--accent-light);border-color:#ffb300;box-shadow:0 3px #ffb300}.choices-grid{grid-template-columns:repeat(2,1fr);gap:16px;width:100%;max-width:480px;margin-top:12px;display:grid}.choice-btn{font-family:var(--font-family);border:3px solid var(--card-border);border-radius:var(--border-radius-md);background:var(--card-bg,#fff);color:var(--text-primary);cursor:pointer;box-shadow:0 6px 0 var(--card-border);text-align:center;justify-content:center;align-items:center;padding:16px;font-size:1.5rem;font-weight:900;transition:background-color .1s;display:flex;position:relative;top:0}.choice-btn:active{box-shadow:0 2px 0 var(--card-border);top:4px}.choice-btn.correct-glow{color:#1b5e20!important;background-color:#c8e6c9!important;border-color:#4caf50!important;box-shadow:0 6px #4caf50!important}.choice-btn.incorrect-glow{color:#b71c1c!important;background-color:#ffcdd2!important;border-color:#f44336!important;box-shadow:0 6px #f44336!important}.self-grading-container{flex-direction:column;align-items:center;gap:12px;width:100%;margin-top:12px;display:flex}.self-grading-question{color:var(--text-secondary);font-size:1.1rem;font-weight:900}.self-grading-buttons{gap:16px;width:100%;max-width:380px;display:flex}.self-grading-btn{flex:1}.feedback-overlay{z-index:1000;background:#0006;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.feedback-card{background:var(--card-bg,#fff);border:6px solid var(--card-border);border-radius:var(--border-radius-lg);text-align:center;box-shadow:var(--box-shadow-medium);flex-direction:column;align-items:center;gap:16px;width:90%;max-width:320px;padding:32px;animation:.3s cubic-bezier(.175,.885,.32,1.275) popIn;display:flex}.feedback-icon-wrapper{border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;display:flex}.feedback-icon-wrapper.correct{color:#4caf50;background:#e8f5e9;border:4px solid #4caf50}.feedback-icon-wrapper.incorrect{color:#f44336;background:#ffe5e5;border:4px solid #f44336}.feedback-title{font-size:1.8rem;font-weight:900}.feedback-title.correct{color:#2e7d32}.feedback-title.incorrect{color:#c62828}.feedback-detail{color:#475569;font-size:1.1rem;font-weight:700}.result-container{background:var(--card-bg);border:5px solid var(--card-border);border-radius:var(--border-radius-lg);box-shadow:var(--box-shadow-soft);text-align:center;flex-direction:column;flex:1;align-items:center;gap:20px;padding:32px 24px;display:flex}.result-title{color:var(--text-primary);font-size:2.2rem;font-weight:900}.result-celebration{color:var(--text-secondary);font-size:1.2rem;font-weight:700}.result-stats-row{justify-content:center;gap:16px;width:100%;margin:12px 0;display:flex}.reward-reveal-card{border-radius:var(--border-radius-md);background:#fff8e1;border:3px dashed #ffb300;flex-direction:column;align-items:center;gap:8px;width:100%;max-width:280px;margin-top:12px;padding:16px;animation:3s ease-in-out infinite float;display:flex}.reward-sticker-img{object-fit:contain;width:100px;height:100px}.reward-title{color:#795548;font-size:.85rem;font-weight:700}.reward-name{color:#3e2723;font-size:1.2rem;font-weight:900}.collection-container{flex-direction:column;flex:1;gap:16px;display:flex}.collection-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:20px;display:grid}.sticker-slot{background:var(--card-bg);border:3px dashed var(--card-border);border-radius:var(--border-radius-md);text-align:center;min-height:150px;box-shadow:var(--box-shadow-soft);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:16px;display:flex;position:relative}.sticker-slot.unlocked{background:#fff;border-style:solid}.sticker-img{object-fit:contain;width:80px;height:80px;animation:none}.sticker-slot.unlocked:hover .sticker-img{animation:.5s ease-in-out infinite wiggle}.sticker-name{color:var(--text-primary);font-size:.8rem;font-weight:900}.sticker-locked-icon{color:var(--text-muted);opacity:.5}.sticker-locked-label{color:var(--text-muted);font-size:.75rem;font-weight:700}@keyframes popIn{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}@keyframes wiggle{0%,to{transform:rotate(0)}25%{transform:rotate(-8deg)}75%{transform:rotate(8deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.highlight-meaning-question{background:var(--accent-light);border-radius:var(--border-radius-sm);border-left:5px solid var(--accent-color);text-align:left;width:100%;padding:12px;font-size:1.4rem;font-weight:700}@media (width<=768px){.app-header{flex-direction:column;align-items:center;gap:8px}.hero-title{font-size:1.8rem}.category-grid{grid-template-columns:1fr}.category-grid-4{grid-template-columns:1fr 1fr;gap:12px}.level-grid{grid-template-columns:repeat(3,1fr)}.quiz-sentence{font-size:1.6rem}.highlight-kanji{font-size:2.1rem}.choices-grid{grid-template-columns:1fr;gap:12px}}.lock-screen{z-index:9999;font-family:var(--font-family);background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 60%,#0f172a 100%);justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.lock-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#ffffff0f;border:2px solid #ffffff26;border-radius:32px;flex-direction:column;align-items:center;gap:20px;width:100%;max-width:380px;padding:40px 32px 36px;display:flex;box-shadow:0 24px 80px #00000080}.lock-icon{filter:drop-shadow(0 0 16px #ffc80080);font-size:4rem;animation:3s ease-in-out infinite float}.lock-title{color:#fff;text-align:center;letter-spacing:.04em;margin:0;font-size:2rem;font-weight:900}.lock-subtitle{color:#ffffffa6;text-align:center;margin:0;font-size:1.05rem;font-weight:700}.pin-dots{justify-content:center;gap:16px;display:flex}.pin-dot{background:0 0;border:3px solid #ffffff80;border-radius:50%;width:20px;height:20px;transition:background .15s,border-color .15s,transform .15s}.pin-dot.filled{background:#60d8a8;border-color:#60d8a8;transform:scale(1.15);box-shadow:0 0 10px #60d8a899}@keyframes shake{0%{transform:translate(0)}15%{transform:translate(-10px)}30%{transform:translate(10px)}45%{transform:translate(-10px)}60%{transform:translate(10px)}75%{transform:translate(-6px)}90%{transform:translate(6px)}to{transform:translate(0)}}.pin-dots.shake{animation:.55s shake}.pin-dots.shake .pin-dot.filled{background:#f87171;border-color:#f87171;box-shadow:0 0 10px #f8717199}.lock-input-wrapper{align-items:center;width:100%;display:flex;position:relative}.lock-input{color:#fff;width:100%;font-size:1.2rem;font-family:var(--font-family);letter-spacing:.08em;box-sizing:border-box;background:#ffffff14;border:2px solid #ffffff40;border-radius:16px;outline:none;padding:16px 52px 16px 18px;font-weight:700;transition:border-color .2s,box-shadow .2s}.lock-input::placeholder{color:#ffffff59;letter-spacing:0}.lock-input:focus{border-color:#60d8a8;box-shadow:0 0 0 3px #60d8a840}.lock-input:disabled{opacity:.4}.lock-input-wrapper.shake{animation:.55s shake}.lock-eye-btn{cursor:pointer;opacity:.7;background:0 0;border:none;padding:4px;font-size:1.3rem;line-height:1;transition:opacity .15s;position:absolute;right:14px}.lock-eye-btn:hover{opacity:1}.lock-submit-btn{color:#0f172a;width:100%;font-size:1.2rem;font-weight:900;font-family:var(--font-family);cursor:pointer;letter-spacing:.03em;background:#60d8a8;border:none;border-radius:16px;margin-top:14px;padding:16px;transition:background .15s,transform .1s,opacity .15s;box-shadow:0 4px #2eab7a}.lock-submit-btn:hover:not(:disabled){background:#4ecf9c}.lock-submit-btn:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px #2eab7a}.lock-submit-btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.lock-warning{color:#fca5a5;text-align:center;background:#f871711a;border:1px solid #f871714d;border-radius:12px;margin:0;padding:8px 12px;font-size:.85rem;font-weight:700}