:root{--color-primary: #6C63FF;--color-primary-light: #8B83FF;--color-primary-dark: #4A42E0;--color-secondary: #FF6584;--color-secondary-light: #FF8FA3;--color-accent-green: #2DCE89;--color-accent-yellow: #FFD93D;--color-accent-blue: #4FC3F7;--color-accent-orange: #FF9F43;--color-accent-pink: #FD79A8;--color-correct: #2DCE89;--color-wrong: #FF6B6B;--color-bg: #F0F0FF;--color-bg-alt: #E8E8FF;--color-surface: #FFFFFF;--color-text: #2D3436;--color-text-secondary: #636E72;--color-text-light: #B2BEC3;--color-divider: #DFE6E9;--font-heading: "Fredoka", "Nunito", sans-serif;--font-body: "Nunito", "Segoe UI", sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(108, 99, 255, .08);--shadow-md: 0 4px 16px rgba(108, 99, 255, .12);--shadow-lg: 0 8px 32px rgba(108, 99, 255, .16);--shadow-glow: 0 0 20px rgba(108, 99, 255, .3);--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--z-base: 1;--z-header: 100;--z-modal: 200;--z-toast: 300;--z-celebration: 400}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}img,svg{max-width:100%;display:block}a{text-decoration:none;color:inherit}ul,ol{list-style:none}input,button,textarea,select{font:inherit}button{cursor:pointer;border:none;background:none}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:700;line-height:1.2}h1{font-size:clamp(1.8rem,5vw,2.8rem)}h2{font-size:clamp(1.4rem,4vw,2rem)}h3{font-size:clamp(1.1rem,3vw,1.5rem)}h4{font-size:clamp(1rem,2.5vw,1.2rem)}.emoji-lg{font-size:3rem}.emoji-xl{font-size:4rem}.emoji-2xl{font-size:5rem}.brand-logo-icon{display:flex;align-items:center;justify-content:center;gap:4px;font-size:3.2rem;margin-bottom:4px;position:relative}.brand-logo-icon .logo-trophy{font-size:4.5rem;animation:trophy-bounce 2s ease-in-out infinite;filter:drop-shadow(0 4px 12px rgba(255,193,7,.4))}.brand-logo-icon .logo-symbol{font-size:2rem;font-weight:800;color:var(--color-primary);animation:symbol-float 3s ease-in-out infinite;opacity:.85}.brand-logo-icon .logo-symbol:first-child{animation-delay:0s}.brand-logo-icon .logo-symbol:last-child{animation-delay:1.5s}@keyframes trophy-bounce{0%,to{transform:scale(1) rotate(0)}25%{transform:scale(1.08) rotate(-3deg)}50%{transform:scale(1) rotate(0)}75%{transform:scale(1.08) rotate(3deg)}}@keyframes symbol-float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.header-logo-icon{font-size:.85rem;letter-spacing:-1px}.text-center{text-align:center}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--color-text-secondary)}.text-success{color:var(--color-correct)}.text-danger{color:var(--color-wrong)}.container{width:100%;max-width:960px;margin:0 auto;padding:0 var(--space-md)}.flex{display:flex}.flex-col{flex-direction:column}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.page{flex:1;padding:var(--space-lg) var(--space-md);animation:pageIn .4s ease}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:14px 28px;border-radius:var(--radius-lg);font-family:var(--font-heading);font-weight:600;font-size:1.1rem;transition:all var(--transition-normal);position:relative;overflow:hidden;min-height:52px;user-select:none;-webkit-user-select:none}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;box-shadow:0 4px 16px #6c63ff4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px #6c63ff66}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:linear-gradient(135deg,var(--color-secondary),#E84670);color:#fff;box-shadow:0 4px 16px #ff65844d}.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 6px 24px #ff658466}.btn-success{background:linear-gradient(135deg,var(--color-accent-green),#1FAF6E);color:#fff;box-shadow:0 4px 16px #2dce894d}.btn-outline{background:var(--color-surface);color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:#fff}.btn-lg{padding:18px 36px;font-size:1.3rem;border-radius:var(--radius-xl);min-height:60px}.btn-full{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-md);transition:all var(--transition-normal)}.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.card-gradient{background:linear-gradient(135deg,var(--color-surface),var(--color-bg))}.input-group{display:flex;flex-direction:column;gap:var(--space-sm)}.input-group label{font-family:var(--font-heading);font-weight:600;font-size:1rem;color:var(--color-text)}.input{padding:14px 20px;border:2px solid var(--color-divider);border-radius:var(--radius-md);font-size:1.1rem;transition:all var(--transition-fast);background:var(--color-surface);width:100%}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px #6c63ff26}.input-error{border-color:var(--color-wrong)!important}.input-success{border-color:var(--color-correct)!important}.error-text{color:var(--color-wrong);font-size:.85rem;font-weight:600}.success-text{color:var(--color-correct);font-size:.85rem;font-weight:600}.header{background:var(--color-surface);padding:var(--space-sm) var(--space-md);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:var(--z-header)}.header-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.header-logo{font-family:var(--font-heading);font-size:1.4rem;font-weight:700;color:var(--color-primary);display:flex;align-items:center;gap:var(--space-sm)}.header-stars{display:flex;align-items:center;gap:var(--space-xs);background:var(--color-accent-yellow);color:#856404;padding:6px 14px;border-radius:var(--radius-full);font-weight:700;font-size:.95rem}.header-nav{display:flex;gap:var(--space-sm)}.header-nav-btn{padding:8px 12px;border-radius:var(--radius-md);font-size:1.3rem;transition:all var(--transition-fast)}.header-nav-btn:hover{background:var(--color-bg);transform:scale(1.1)}.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--space-md)}.category-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-lg) var(--space-md);text-align:center;box-shadow:var(--shadow-md);cursor:pointer;transition:all var(--transition-normal);border:3px solid transparent;position:relative;overflow:hidden}.category-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--radius-lg) var(--radius-lg) 0 0}.category-card[data-cat=counting]:before{background:var(--color-accent-blue)}.category-card[data-cat=addition]:before{background:var(--color-accent-green)}.category-card[data-cat=subtraction]:before{background:var(--color-secondary)}.category-card[data-cat=multiplication]:before{background:var(--color-accent-orange)}.category-card[data-cat=division]:before{background:var(--color-accent-pink)}.category-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:var(--shadow-lg)}.category-card:active{transform:translateY(-2px) scale(.98)}.category-card .emoji{font-size:2.8rem;margin-bottom:var(--space-sm)}.category-card .name{font-family:var(--font-heading);font-weight:600;font-size:1rem;margin-bottom:var(--space-xs)}.category-card .desc{font-size:.8rem;color:var(--color-text-secondary)}.category-card .stars-row{margin-top:var(--space-sm);font-size:.85rem;color:var(--color-accent-yellow)}.game-top-bar{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) 0;margin-bottom:var(--space-lg)}.game-progress-bar{flex:1;height:12px;background:var(--color-divider);border-radius:var(--radius-full);overflow:hidden}.game-progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-accent-green));border-radius:var(--radius-full);transition:width var(--transition-normal)}.game-info-chips{display:flex;gap:var(--space-sm);flex-wrap:wrap;justify-content:center;margin-bottom:var(--space-md)}.game-chip{display:flex;align-items:center;gap:var(--space-xs);background:var(--color-surface);padding:6px 14px;border-radius:var(--radius-full);font-weight:700;font-size:.9rem;border:1px solid var(--color-divider)}.question-card{background:var(--color-surface);border-radius:var(--radius-xl);padding:var(--space-xl);text-align:center;box-shadow:var(--shadow-md);margin-bottom:var(--space-lg)}.question-text{font-family:var(--font-heading);font-size:clamp(1.6rem,6vw,2.5rem);font-weight:700;color:var(--color-primary-dark)}.question-visual{font-size:2rem;line-height:1.8;margin-top:var(--space-md);letter-spacing:4px}.question-word-problem{font-size:1.1rem;color:var(--color-text-secondary);margin-top:var(--space-md);line-height:1.6}.question-visual-grouped{margin-top:var(--space-md);display:flex;flex-wrap:wrap;gap:var(--space-md);justify-content:center;align-items:flex-end;animation:fadeIn .3s ease}.object-group{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 12px;border-radius:var(--radius-lg);border:3px dashed var(--color-primary);background:#6c63ff0f;min-width:60px;transition:all var(--transition-fast);animation:bounceIn .4s ease}.object-group.remainder{border-color:var(--color-accent-orange);background:#ff9f4314}.object-group .group-items{font-size:1.8rem;line-height:1.6;letter-spacing:2px;word-break:break-word;text-align:center}.group-summary{width:100%;text-align:center;margin-top:4px;font-size:1.4rem;color:var(--color-primary);font-family:var(--font-heading)}.group-operator{display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:800;color:var(--color-primary);font-family:var(--font-heading);min-width:36px}.crossed-out{position:relative;opacity:.35;text-decoration:line-through;text-decoration-color:#ef4444;text-decoration-thickness:3px}.hint-btn{display:inline-flex;align-items:center;gap:6px;margin-top:var(--space-md);padding:8px 20px;border-radius:var(--radius-full);border:2px solid #FFD93D;background:linear-gradient(135deg,#fff9e6,#fffdf5);color:#9b7800;font-family:var(--font-heading);font-size:.95rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);animation:pulseGlow 3s infinite;box-shadow:0 2px 8px #ffd93d4d}.hint-btn:hover{transform:scale(1.05);box-shadow:0 4px 16px #ffd93d80}.hint-btn.active{background:linear-gradient(135deg,#ffd93d,#ffc107);color:#5d4e00;border-color:#ffc107}.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.answer-btn{padding:var(--space-md) var(--space-lg);border-radius:var(--radius-lg);background:var(--color-surface);border:3px solid var(--color-divider);font-family:var(--font-heading);font-size:1.4rem;font-weight:700;transition:all var(--transition-fast);min-height:64px}.answer-btn:hover:not(:disabled){border-color:var(--color-primary);background:#6c63ff0d;transform:scale(1.03)}.answer-btn:active:not(:disabled){transform:scale(.97)}.answer-btn.selected{border-color:var(--color-primary);background:#6c63ff1a}.answer-btn.correct{border-color:var(--color-correct);background:#2dce8926;color:var(--color-correct)}.answer-btn.wrong{border-color:var(--color-wrong);background:#ff6b6b26;color:var(--color-wrong)}.answer-btn:disabled{opacity:.7;cursor:default}.drag-drop-area{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.drop-zone{width:120px;height:120px;border:4px dashed var(--color-primary-light);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;font-family:var(--font-heading);color:var(--color-text-light);transition:all var(--transition-fast);background:#6c63ff08}.drop-zone.active{border-color:var(--color-primary);background:#6c63ff14;transform:scale(1.05)}.drop-zone.correct{border-color:var(--color-correct);background:#2dce891a;color:var(--color-correct);border-style:solid}.drop-zone.wrong{border-color:var(--color-wrong);background:#ff6b6b1a;color:var(--color-wrong);border-style:solid}.drop-zone.filled{border-style:solid;color:var(--color-primary-dark)}.drag-options{display:flex;gap:var(--space-md);flex-wrap:wrap;justify-content:center}.drag-item{width:72px;height:72px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary));color:#fff;font-size:1.5rem;font-weight:700;font-family:var(--font-heading);display:flex;align-items:center;justify-content:center;cursor:grab;transition:all var(--transition-fast);box-shadow:var(--shadow-sm);user-select:none;-webkit-user-select:none;touch-action:none}.drag-item:hover{transform:scale(1.1);box-shadow:var(--shadow-md)}.drag-item:active{cursor:grabbing;transform:scale(.95)}.drag-item.used{opacity:.3;pointer-events:none}.drag-item.tap-hint{animation:tapPulse 2s infinite}.type-answer-area{display:flex;flex-direction:column;align-items:center;gap:var(--space-md)}.type-answer-input{text-align:center;font-size:2rem;font-weight:700;font-family:var(--font-heading);padding:var(--space-md) var(--space-xl);border:3px solid var(--color-primary);border-radius:var(--radius-lg);width:200px;transition:all var(--transition-fast)}.type-answer-input:focus{outline:none;box-shadow:var(--shadow-glow)}.explanation-card{border-radius:var(--radius-lg);padding:var(--space-lg);text-align:center;margin-top:var(--space-md);animation:slideUp .3s ease}.explanation-card.correct{background:#2dce891a;border:2px solid var(--color-correct)}.explanation-card.wrong{background:#ff6b6b1a;border:2px solid var(--color-wrong)}.explanation-text{font-size:1rem;line-height:1.6;margin-top:var(--space-sm)}.mountain-container{position:relative;min-height:600px;background:linear-gradient(180deg,#87ceeb,#98fb98 40%,#228b22,#2e7d32);border-radius:var(--radius-xl);overflow:hidden;padding:var(--space-lg)}.mountain-peak{position:absolute;top:10px;left:50%;transform:translate(-50%);font-size:3rem;z-index:2}.mountain-svg{position:absolute;bottom:0;left:0;width:100%;height:60%;z-index:1}.level-path{position:relative;z-index:3;display:flex;flex-direction:column-reverse;align-items:center;gap:var(--space-xl);padding:var(--space-3xl) 0}.level-node{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:700;font-size:1.2rem;position:relative;transition:all var(--transition-normal);cursor:pointer}.level-node.completed{background:var(--color-accent-green);color:#fff;box-shadow:0 4px 12px #2dce8966}.level-node.current{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-glow);animation:pulseGlow 2s infinite}.level-node.locked{background:var(--color-divider);color:var(--color-text-light);cursor:not-allowed}.level-node .stars-display{position:absolute;bottom:-20px;font-size:.7rem;white-space:nowrap}.level-node:nth-child(odd){margin-left:-60px}.level-node:nth-child(2n){margin-right:-60px}.map-tabs{display:flex;gap:var(--space-sm);overflow-x:auto;padding-bottom:var(--space-sm);-webkit-overflow-scrolling:touch;scrollbar-width:none}.map-tabs::-webkit-scrollbar{display:none}.map-tab{padding:10px 20px;border-radius:var(--radius-full);font-family:var(--font-heading);font-weight:600;font-size:.9rem;white-space:nowrap;transition:all var(--transition-fast);background:var(--color-surface);border:2px solid var(--color-divider)}.map-tab.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.score-stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-md)}.score-stat{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-lg);text-align:center;box-shadow:var(--shadow-sm)}.score-stat .value{font-family:var(--font-heading);font-size:2rem;font-weight:700;color:var(--color-primary)}.score-stat .label{font-size:.85rem;color:var(--color-text-secondary);margin-top:var(--space-xs)}.leaderboard-list{display:flex;flex-direction:column;gap:var(--space-sm)}.leaderboard-row{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.leaderboard-rank{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;background:var(--color-bg)}.leaderboard-rank.gold{background:gold;color:#5d4e00}.leaderboard-rank.silver{background:silver;color:#3d3d3d}.leaderboard-rank.bronze{background:#cd7f32;color:#fff}.leaderboard-name{flex:1;font-weight:600}.leaderboard-stars{color:var(--color-accent-yellow);font-weight:700}.leaderboard-separator{text-align:center;color:var(--color-text-secondary);font-size:1.2rem;letter-spacing:6px;padding:4px 0;opacity:.5}.celebration-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:var(--z-celebration);pointer-events:none}.celebration-burst{font-size:6rem;animation:celebrationPop .8s ease}.confetti-piece{position:fixed;width:10px;height:10px;border-radius:2px;animation:confettiFall 3s ease-in forwards;z-index:var(--z-celebration)}.progress-bar{width:100%;height:10px;background:var(--color-divider);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;border-radius:var(--radius-full);transition:width var(--transition-slow);background:linear-gradient(90deg,var(--color-primary),var(--color-accent-green))}.welcome-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.welcome-page:before{content:"🧮 ➕ ✖️ ➗ ⭐ 🎯 🏆 🌟";position:absolute;font-size:3rem;opacity:.08;white-space:nowrap;animation:floatEmoji 20s linear infinite;top:20%;letter-spacing:20px;pointer-events:none}.welcome-card{background:var(--color-surface);border-radius:var(--radius-xl);padding:var(--space-2xl);width:100%;max-width:440px;box-shadow:0 20px 60px #0003;animation:slideUp .6s ease}.welcome-title{text-align:center;margin-bottom:var(--space-lg)}.welcome-tabs{display:flex;background:var(--color-bg);border-radius:var(--radius-md);padding:4px;margin-bottom:var(--space-lg)}.welcome-tab{flex:1;padding:10px;border-radius:var(--radius-sm);font-family:var(--font-heading);font-weight:600;text-align:center;transition:all var(--transition-fast);font-size:.95rem}.welcome-tab.active{background:var(--color-surface);box-shadow:var(--shadow-sm);color:var(--color-primary)}.nickname-hints{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-top:8px}.hint-label{font-size:.78rem;color:var(--color-text-secondary)}.hint-chip{padding:3px 10px;border-radius:var(--radius-full);background:var(--color-bg);border:1px solid var(--color-divider);font-size:.76rem;font-family:var(--font-body);color:var(--color-text-secondary);-webkit-user-select:none;user-select:none}.nickname-rules{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;font-size:.75rem}.rule-ok{color:var(--color-correct)}.rule-pending{color:var(--color-text-light)}.secret-code-popup{text-align:center;padding:var(--space-md) 0}.secret-code-popup h2{font-family:var(--font-heading);margin:12px 0 4px}.secret-code-box{font-size:3rem;font-weight:800;letter-spacing:8px;color:var(--color-primary);background:var(--color-bg);border:3px dashed var(--color-primary-light);border-radius:var(--radius-lg);padding:20px;margin:16px 0;font-family:Courier New,monospace;-webkit-user-select:all;user-select:all;animation:pulse-border 2s ease-in-out infinite}@keyframes pulse-border{0%,to{border-color:var(--color-primary-light)}50%{border-color:var(--color-accent-yellow)}}.secret-code-info{background:linear-gradient(135deg,#fff3e0,#fff8e1);border:1.5px solid #FFE0B2;border-radius:var(--radius-sm);padding:12px 16px;margin-bottom:16px;font-size:.88rem;color:#6d4c00;text-align:left}.secret-code-info p{margin:4px 0}.secret-code-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px;animation:fadeIn .3s ease}.secret-code-overlay .secret-code-box{background:#fff;border-radius:var(--radius-xl, 20px);padding:32px 28px;max-width:440px;width:100%;text-align:center;box-shadow:0 20px 60px #0000004d;animation:popIn .4s cubic-bezier(.34,1.56,.64,1);font-size:1rem;font-weight:400;letter-spacing:normal;color:var(--color-text);border:none;font-family:var(--font-body);-webkit-user-select:auto;user-select:auto}@keyframes popIn{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.copy-button{padding:10px 24px;border-radius:var(--radius-md);border:2px solid var(--color-primary);background:#6c63ff0f;color:var(--color-primary);font-weight:700;font-size:1rem;cursor:pointer;transition:all .2s}.copy-button:hover{background:var(--color-primary);color:#fff}.input-code{font-family:Courier New,monospace}.age-selector{display:flex;flex-wrap:wrap;gap:var(--space-sm);justify-content:center}.age-option{width:52px;height:52px;border-radius:var(--radius-md);border:2px solid var(--color-divider);display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:700;font-size:1.1rem;cursor:pointer;transition:all var(--transition-fast)}.age-option:hover{border-color:var(--color-primary)}.age-option.selected{background:var(--color-primary);color:#fff;border-color:var(--color-primary);transform:scale(1.1)}.captcha-box{background:var(--color-bg);border-radius:var(--radius-md);padding:var(--space-md);text-align:center}.captcha-visual{font-size:1.5rem;margin:var(--space-sm) 0;letter-spacing:2px;line-height:1.6}.captcha-input{text-align:center;font-size:1.3rem;font-weight:700;width:120px;margin:var(--space-sm) auto 0}.level-complete{text-align:center;animation:slideUp .5s ease}.level-complete .trophy{font-size:5rem;animation:bounceIn .8s ease}.level-complete .stars-row{font-size:2.5rem;margin:var(--space-md) 0;letter-spacing:8px}.level-complete .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-md);margin:var(--space-lg) 0}.level-complete .stat-item{background:var(--color-bg);border-radius:var(--radius-md);padding:var(--space-md)}.level-complete .stat-value{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--color-primary)}.level-complete .stat-label{font-size:.8rem;color:var(--color-text-secondary)}.summit-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:500;display:flex;align-items:center;justify-content:center;cursor:pointer;animation:summitFadeIn .3s ease}.summit-glow{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at center,#ffd70066,#6c63ff4d 40%,#000000d9);animation:summitGlowPulse 2s ease-in-out infinite}.summit-content{position:relative;z-index:520;text-align:center;animation:summitBounceIn .8s ease;max-width:400px;padding:var(--space-xl)}.summit-trophy{font-size:7rem;animation:summitTrophySpin 1.2s ease;filter:drop-shadow(0 0 30px rgba(255,215,0,.8));margin-bottom:-10px}.summit-crown{font-size:3.5rem;animation:summitCrownFloat 2s ease-in-out infinite;margin-bottom:8px}.summit-message{font-family:var(--font-heading);font-size:clamp(1.6rem,6vw,2.5rem);font-weight:700;color:gold;text-shadow:0 0 20px rgba(255,215,0,.6),0 2px 8px rgba(0,0,0,.5);line-height:1.3;animation:summitTextGlow 1.5s ease-in-out infinite alternate}.summit-category{font-size:1.1rem;color:#ffffffe6;margin-top:8px;font-weight:600}.summit-stars{font-size:2.5rem;margin:16px 0;letter-spacing:8px;animation:summitStarsPulse 1s ease-in-out infinite alternate}.summit-btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 40px;border-radius:var(--radius-xl);background:linear-gradient(135deg,gold,orange);color:#5d4e00;font-family:var(--font-heading);font-size:1.3rem;font-weight:700;border:none;cursor:pointer;box-shadow:0 4px 20px #ffd70080;transition:all var(--transition-fast);animation:summitBtnPulse 1.5s ease-in-out infinite}.summit-btn:hover{transform:scale(1.08);box-shadow:0 6px 30px #ffd700b3}.summit-hint{margin-top:12px;font-size:.8rem;color:#ffffff80}.mountain-peak-reached{position:absolute;top:0;left:50%;transform:translate(-50%);z-index:5;cursor:pointer;text-align:center;padding:8px 16px;border-radius:var(--radius-xl);background:radial-gradient(circle,rgba(255,215,0,.25) 0%,transparent 70%);animation:summitPeakBounce 2s ease-in-out infinite;transition:transform .2s ease}.mountain-peak-reached:hover{transform:translate(-50%) scale(1.15)}.mountain-peak-reached:active{transform:translate(-50%) scale(.95)}.mountain-peak-reached .peak-trophy{font-size:4.5rem;filter:drop-shadow(0 0 16px rgba(255,215,0,.7));animation:summitTrophyWiggle 3s ease-in-out infinite}.mountain-peak-reached .peak-label{font-family:var(--font-heading);font-weight:700;font-size:.85rem;color:gold;text-shadow:0 1px 4px rgba(0,0,0,.5);margin-top:2px;animation:summitTextGlow 1.5s ease-in-out infinite alternate}.mountain-peak-reached .peak-sparkles{position:absolute;top:-5px;left:50%;transform:translate(-50%);font-size:1.2rem;animation:summitSparkle 2s ease-in-out infinite;pointer-events:none}.app-wrapper{display:flex;flex-direction:column;min-height:100vh}.app-main{flex:1}.site-footer{background:linear-gradient(135deg,#2d3436,#1e272e);color:#fffc;padding:var(--space-xl) var(--space-md);margin-top:var(--space-2xl)}.footer-inner{max-width:800px;margin:0 auto;text-align:center;display:flex;flex-direction:column;gap:var(--space-md)}.footer-brand{display:flex;flex-direction:column;align-items:center;gap:4px}.footer-logo{font-family:var(--font-heading);font-size:1.3rem;font-weight:700;color:#fff}.footer-tagline{font-size:.85rem;color:#ffffff80}.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-md) var(--space-lg)}.footer-links a{color:#ffffffb3;text-decoration:none;font-size:.9rem;font-weight:600;transition:color var(--transition-fast)}.footer-links a:hover{color:var(--color-accent-yellow)}.footer-copyright{font-size:.8rem;color:#fff6}.footer-copyright p{margin:2px 0}.footer-coppa{font-size:.75rem;margin-top:4px!important}.footer-supervision{background:#ffffff1a;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-sm);padding:10px 16px;font-size:.82rem;color:#ffffffd9;text-align:center;line-height:1.5;margin-bottom:8px}.supervision-notice{margin-top:20px;padding:10px 16px;background:linear-gradient(135deg,#fff3e0,#fff8e1);border:1.5px solid #FFE0B2;border-radius:var(--radius-sm);font-size:.82rem;line-height:1.5;color:#6d4c00;text-align:center}.legal-page{max-width:720px;margin:0 auto;padding-bottom:var(--space-2xl)}.legal-page h1{font-family:var(--font-heading);margin-bottom:var(--space-sm)}.legal-updated{font-size:.85rem;color:var(--color-text-secondary);margin-bottom:var(--space-lg)}.legal-section{margin-bottom:var(--space-xl)}.legal-section h2{font-family:var(--font-heading);font-size:1.2rem;font-weight:600;color:var(--color-primary-dark);margin-bottom:var(--space-sm);padding-bottom:var(--space-xs);border-bottom:2px solid var(--color-divider)}.legal-section p{font-size:.95rem;line-height:1.7;color:var(--color-text);margin-bottom:var(--space-sm)}.legal-section ul{padding-left:24px;margin:var(--space-sm) 0}.legal-section li{font-size:.95rem;line-height:1.7;margin-bottom:6px}.about-age-card{background:var(--color-surface);border-radius:var(--radius-md);padding:var(--space-md);border-left:4px solid var(--color-primary);box-shadow:var(--shadow-sm)}.about-age-card strong{color:var(--color-primary-dark);display:block;margin-bottom:4px}.about-age-card p{font-size:.9rem;margin:0;color:var(--color-text-secondary)}@keyframes pageIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes bounceIn{0%{transform:scale(0)}50%{transform:scale(1.2)}70%{transform:scale(.9)}to{transform:scale(1)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 10px #6c63ff66}50%{box-shadow:0 0 25px #6c63ffb3}}@keyframes tapPulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}@keyframes celebrationPop{0%{transform:scale(0);opacity:0}40%{transform:scale(1.4);opacity:1}to{transform:scale(1);opacity:0}}@keyframes confettiFall{0%{transform:translateY(-10vh) rotate(0);opacity:1}to{transform:translateY(110vh) rotate(720deg);opacity:0}}@keyframes floatEmoji{0%{transform:translate(-100%)}to{transform:translate(100vw)}}@keyframes wiggle{0%,to{transform:rotate(0)}25%{transform:rotate(-5deg)}75%{transform:rotate(5deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes summitFadeIn{0%{opacity:0}to{opacity:1}}@keyframes summitGlowPulse{0%,to{opacity:1}50%{opacity:.85}}@keyframes summitBounceIn{0%{transform:scale(.3);opacity:0}50%{transform:scale(1.1)}70%{transform:scale(.95)}to{transform:scale(1);opacity:1}}@keyframes summitTrophySpin{0%{transform:scale(0) rotate(-180deg)}60%{transform:scale(1.2) rotate(10deg)}80%{transform:scale(.9) rotate(-5deg)}to{transform:scale(1) rotate(0)}}@keyframes summitCrownFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes summitTextGlow{0%{text-shadow:0 0 10px rgba(255,215,0,.4),0 2px 8px rgba(0,0,0,.5)}to{text-shadow:0 0 30px rgba(255,215,0,.8),0 2px 8px rgba(0,0,0,.5)}}@keyframes summitStarsPulse{0%{transform:scale(1)}to{transform:scale(1.1)}}@keyframes summitBtnPulse{0%,to{box-shadow:0 4px 20px #ffd70080}50%{box-shadow:0 4px 40px #ffd700cc,0 0 60px #ffa5004d}}@keyframes summitConfettiFall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(120vh) rotate(720deg);opacity:.3}}@keyframes summitEmojiRain{0%{transform:translateY(0) rotate(0) scale(1);opacity:1}50%{opacity:1}to{transform:translateY(120vh) rotate(360deg) scale(.5);opacity:0}}@keyframes summitFirework{0%{transform:scale(0);opacity:0}50%{transform:scale(1.5);opacity:1}to{transform:scale(2);opacity:0}}@keyframes summitPeakBounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(-8px)}}@keyframes summitTrophyWiggle{0%,to{transform:rotate(0)}15%{transform:rotate(-8deg)}30%{transform:rotate(8deg)}45%{transform:rotate(-4deg)}60%{transform:rotate(0)}}@keyframes summitSparkle{0%,to{opacity:1;transform:translate(-50%) scale(1)}50%{opacity:.4;transform:translate(-50%) scale(1.3)}}@media (max-width: 768px){.category-grid{grid-template-columns:repeat(2,1fr)}.answer-options{grid-template-columns:1fr 1fr;gap:var(--space-sm)}.score-stat-grid{grid-template-columns:repeat(2,1fr)}.welcome-card{padding:var(--space-lg);margin:var(--space-md)}h1{font-size:1.6rem}.level-node:nth-child(odd){margin-left:-40px}.level-node:nth-child(2n){margin-right:-40px}}@media (max-width: 480px){:root{--space-md: 12px;--space-lg: 16px;--space-xl: 24px}.category-grid{grid-template-columns:1fr 1fr;gap:var(--space-sm)}.category-card{padding:var(--space-md) var(--space-sm)}.category-card .emoji{font-size:2rem}.answer-options{grid-template-columns:1fr}.answer-btn{min-height:56px;font-size:1.2rem}.drag-item{width:60px;height:60px;font-size:1.3rem}.drop-zone{width:100px;height:100px}.question-card{padding:var(--space-lg)}.welcome-card{padding:var(--space-lg) var(--space-md)}.header-logo{font-size:1.1rem}.level-node{width:52px;height:52px;font-size:1rem}.level-node:nth-child(odd){margin-left:-30px}.level-node:nth-child(2n){margin-right:-30px}.score-stat-grid{grid-template-columns:1fr 1fr}.btn{padding:12px 20px;font-size:1rem;min-height:48px}.btn-lg{padding:14px 28px;font-size:1.1rem;min-height:52px}}@media (min-width: 1024px){.category-grid{grid-template-columns:repeat(3,1fr)}.answer-options{max-width:500px;margin:0 auto}}