.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;gap:1rem}.spinner{width:50px;height:50px;border:4px solid rgba(147,51,234,.1);border-top:4px solid #9333ea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-spinner p{color:#666;font-style:italic}.share-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 6px #0000001a}.share-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 12px #00000026}.share-button:active:not(:disabled){transform:translateY(0)}.share-button:disabled{opacity:.5;cursor:not-allowed}.share-button.copied{background:linear-gradient(135deg,#10b981,#059669)}.kids-feature-card{display:flex;flex-direction:column;align-items:center;background:#fff;border-radius:20px;padding:2rem;text-decoration:none;color:inherit;box-shadow:0 8px 16px #0000001a;transition:all .3s ease;position:relative;min-height:280px;border:3px solid transparent}.kids-feature-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px #0003;border-color:#667eea}.kids-feature-emoji{font-size:5rem;margin-bottom:1rem;line-height:1}.kids-feature-title{font-size:1.5rem;font-weight:700;color:#2d3748;margin-bottom:.75rem;text-align:center}.kids-feature-description{font-size:1.125rem;color:#4a5568;text-align:center;line-height:1.5;margin-bottom:1rem;flex-grow:1}.kids-feature-age-badge{display:inline-block;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:700}@media (max-width: 768px){.kids-feature-card{padding:1.5rem;min-height:240px}.kids-feature-emoji{font-size:4rem}.kids-feature-title{font-size:1.25rem}.kids-feature-description{font-size:1rem}}.kids-hub-container{max-width:1400px;margin:0 auto;padding:2rem;min-height:100vh}.kids-hub-header{text-align:center;margin-bottom:3rem;padding:2rem;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:24px;color:#fff}.kids-hub-title{font-size:3rem;font-weight:700;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.kids-hub-subtitle{font-size:1.5rem;opacity:.95}.kids-hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:3rem}.kids-hub-footer{text-align:center;padding:2rem;background:#f7fafc;border-radius:16px;margin-top:2rem}.kids-hub-footer p{font-size:1.25rem;color:#4a5568;margin:0}@media (max-width: 768px){.kids-hub-container{padding:1rem}.kids-hub-header{padding:1.5rem;margin-bottom:2rem}.kids-hub-title{font-size:2rem}.kids-hub-subtitle{font-size:1.125rem}.kids-hub-grid{grid-template-columns:1fr;gap:1.5rem}.kids-hub-footer p{font-size:1rem}}:root{--kids-primary-red: #ff6b6b;--kids-primary-blue: #4ecdc4;--kids-primary-yellow: #ffe66d;--kids-primary-green: #95e1d3;--kids-primary-pink: #ff9ff3;--kids-primary-purple: #a29bfe;--kids-primary-orange: #ffa502;--kids-bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--kids-card-shadow: 0 8px 16px rgba(0, 0, 0, .1);--kids-button-shadow: 0 4px 8px rgba(0, 0, 0, .2);--kids-font-size-xl: 2rem;--kids-font-size-lg: 1.5rem;--kids-font-size-md: 1.25rem;--kids-font-size-sm: 1rem;--kids-button-height: 60px;--kids-button-height-lg: 80px;--kids-emoji-size: 3rem;--kids-emoji-size-lg: 4rem;--kids-spacing-sm: .75rem;--kids-spacing-md: 1.5rem;--kids-spacing-lg: 2rem}.kids-container{max-width:1200px;margin:0 auto;padding:var(--kids-spacing-lg)}.kids-header{text-align:center;margin-bottom:var(--kids-spacing-lg)}.kids-title{font-size:var(--kids-font-size-xl);font-weight:700;color:#2d3748;margin-bottom:var(--kids-spacing-sm)}.kids-subtitle{font-size:var(--kids-font-size-md);color:#4a5568}.kids-button{min-height:var(--kids-button-height);padding:var(--kids-spacing-md);font-size:var(--kids-font-size-md);font-weight:700;border:none;border-radius:16px;cursor:pointer;transition:all .3s ease;box-shadow:var(--kids-button-shadow);display:flex;align-items:center;justify-content:center;gap:var(--kids-spacing-sm)}.kids-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 12px #0000004d}.kids-button:active:not(:disabled){transform:translateY(0)}.kids-button:disabled{opacity:.6;cursor:not-allowed}.kids-button-primary{background:linear-gradient(135deg,var(--kids-primary-blue),var(--kids-primary-purple));color:#fff}.kids-emoji{font-size:var(--kids-emoji-size);line-height:1}.kids-emoji-lg{font-size:var(--kids-emoji-size-lg)}.kids-result-container{background:#fff;border-radius:16px;padding:var(--kids-spacing-lg);box-shadow:var(--kids-card-shadow);margin-top:var(--kids-spacing-lg)}.kids-result-text{font-size:var(--kids-font-size-lg);line-height:1.6;color:#2d3748;text-align:center}.kids-grid{display:grid;gap:var(--kids-spacing-md);margin:var(--kids-spacing-lg) 0}.kids-grid-2{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.kids-grid-3{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.kids-grid-4{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}@media (max-width: 768px){.kids-container{padding:var(--kids-spacing-md)}.kids-title{font-size:var(--kids-font-size-lg)}.kids-subtitle{font-size:var(--kids-font-size-sm)}.kids-button{font-size:var(--kids-font-size-sm);min-height:50px}.kids-emoji{font-size:2.5rem}.kids-emoji-lg{font-size:3rem}}.talking-animals-container{min-height:100vh}.age-badge{display:inline-block;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:.5rem 1.25rem;border-radius:24px;font-size:1rem;font-weight:700;margin-top:1rem}.animals-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.5rem;margin:2rem 0}.animal-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;min-height:140px;padding:1.5rem;background:#fff;border:3px solid #e2e8f0;border-radius:20px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 8px #0000001a}.animal-button:hover:not(:disabled){transform:translateY(-4px);box-shadow:0 8px 16px #0003;border-color:#667eea}.animal-button:active:not(:disabled){transform:translateY(-2px)}.animal-button:disabled{opacity:.6;cursor:not-allowed}.animal-emoji{font-size:4rem;line-height:1}.animal-name{font-size:1.25rem;font-weight:700;color:#2d3748}.selected-animal-display{text-align:center;margin-bottom:1.5rem}.selected-animal-emoji{font-size:6rem;line-height:1}.speech-bubble{background:#fff;border-radius:24px;padding:2rem;box-shadow:0 8px 16px #0000001a;position:relative;margin-bottom:2rem}.speech-bubble:before{content:"";position:absolute;top:-20px;left:50%;transform:translate(-50%);width:0;height:0;border-left:20px solid transparent;border-right:20px solid transparent;border-bottom:20px solid white}.animal-speech{font-size:1.75rem;line-height:1.6;color:#2d3748;text-align:center;margin:0}.talk-again-btn,.choose-another-btn{flex:1;min-width:200px}.talk-again-btn{background:linear-gradient(135deg,#4ecdc4,#44a08d)}.choose-another-btn{background:linear-gradient(135deg,#ffa502,#ff6348);color:#fff}@media (max-width: 768px){.animals-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.animal-button{min-height:120px;padding:1rem}.animal-emoji{font-size:3rem}.animal-name{font-size:1rem}.selected-animal-emoji{font-size:4rem}.animal-speech{font-size:1.25rem}.action-buttons{flex-direction:column}.talk-again-btn,.choose-another-btn{width:100%}}.magic-coloring-container{min-height:100vh}.colors-grid,.objects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem}.color-button,.object-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;min-height:100px;padding:1rem;background:#f7fafc;border:3px solid #e2e8f0;border-radius:16px;cursor:pointer;transition:all .3s ease}.color-button:hover:not(:disabled),.object-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 8px #00000026;border-color:#667eea}.color-button.selected,.object-button.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;transform:scale(1.05)}.color-button.selected .color-name,.object-button.selected .object-name{color:#fff;font-weight:700}.color-button:disabled,.object-button:disabled{opacity:.6;cursor:not-allowed}.color-emoji,.object-emoji{font-size:3rem;line-height:1}.color-name,.object-name{font-size:1.125rem;font-weight:600;color:#2d3748}.magical-display{text-align:center;margin-bottom:2rem;display:flex;justify-content:center;align-items:center;gap:1rem}.display-color-emoji,.display-object-emoji{font-size:5rem;line-height:1}.magical-scene{background:linear-gradient(135deg,#fff9db,#ffe5ec);border-radius:24px;padding:2.5rem;box-shadow:0 8px 16px #0000001a;margin-bottom:2rem;border:3px solid #ffd700}.scene-text{font-size:1.75rem;line-height:1.6;color:#2d3748;text-align:center;margin:0}@media (max-width: 768px){.selection-section{padding:1.5rem}.section-title{font-size:1.5rem}.colors-grid,.objects-grid{grid-template-columns:repeat(2,1fr)}.color-button,.object-button{min-height:90px}.color-emoji,.object-emoji{font-size:2.5rem}.color-name,.object-name{font-size:1rem}.create-button{font-size:1.5rem;padding:1.25rem 2rem}.display-color-emoji,.display-object-emoji{font-size:4rem}.scene-text{font-size:1.25rem}}.sound-stories-container{min-height:100vh}.sounds-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;margin:2rem 0}.sound-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;min-height:160px;padding:1.5rem;background:#fff;border:3px solid #e2e8f0;border-radius:20px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 8px #0000001a}.sound-button:hover:not(:disabled){transform:translateY(-4px);box-shadow:0 8px 16px #0003;border-color:#667eea;background:linear-gradient(135deg,#f7fafc,#edf2f7)}.sound-button:active:not(:disabled){transform:translateY(-2px)}.sound-button:disabled{opacity:.6;cursor:not-allowed}.sound-emoji{font-size:4rem;line-height:1}.sound-name{font-size:1.25rem;font-weight:700;color:#2d3748}.sound-text{font-size:1rem;color:#667eea;font-weight:600;font-style:italic}.sound-display{text-align:center;margin-bottom:2rem}.selected-sound-emoji{font-size:6rem;line-height:1;display:block;margin-bottom:1rem}.sound-wave{font-size:2rem;color:#667eea;font-weight:700;font-style:italic;animation:soundPulse 1.5s ease-in-out infinite}@keyframes soundPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}}.story-box{background:linear-gradient(135deg,#e0f2fe,#dbeafe);border-radius:24px;padding:2.5rem;box-shadow:0 8px 16px #0000001a;margin-bottom:2rem;border:3px solid #60a5fa}.story-text{font-size:1.75rem;line-height:1.6;color:#2d3748;text-align:center;margin:0}.action-buttons{display:flex;gap:1rem;margin:2rem 0;flex-wrap:wrap}.hear-again-btn,.choose-sound-btn{flex:1;min-width:200px}.hear-again-btn{background:linear-gradient(135deg,#60a5fa,#3b82f6)}.choose-sound-btn{background:linear-gradient(135deg,#a78bfa,#8b5cf6);color:#fff}@media (max-width: 768px){.sounds-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.sound-button{min-height:140px;padding:1rem}.sound-emoji{font-size:3rem}.sound-name{font-size:1rem}.sound-text{font-size:.875rem}.selected-sound-emoji{font-size:4rem}.sound-wave{font-size:1.5rem}.story-text{font-size:1.25rem}.action-buttons{flex-direction:column}.hear-again-btn,.choose-sound-btn{width:100%}}.silly-character-container{min-height:100vh}.character-display{text-align:center;margin-bottom:2rem;display:flex;justify-content:center;align-items:center;gap:1.5rem}.display-emoji{font-size:5rem;line-height:1}.character-description{background:linear-gradient(135deg,#e0f2fe,#f0f9ff);border-radius:24px;padding:2.5rem;box-shadow:0 8px 16px #0000001a;margin-bottom:2rem;border:3px solid #38bdf8}.description-text{font-size:1.5rem;line-height:1.7;color:#2d3748;text-align:center;margin:0}@media (max-width: 768px){.selection-section{padding:1.5rem}.section-title{font-size:1.5rem}.options-grid{grid-template-columns:repeat(2,1fr)}.option-button{min-height:90px}.option-emoji{font-size:2.5rem}.option-name{font-size:.875rem}.create-button{font-size:1.5rem;padding:1.25rem 2rem}.display-emoji{font-size:3.5rem}.description-text{font-size:1.125rem}}.story-starter-container{min-height:100vh}.selection-section{margin:2rem 0;background:#fff;border-radius:20px;padding:2rem;box-shadow:0 4px 8px #0000001a}.section-title{font-size:1.75rem;font-weight:700;color:#2d3748;margin-bottom:1.5rem;text-align:center}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem}.option-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;min-height:100px;padding:1rem;background:#f7fafc;border:3px solid #e2e8f0;border-radius:16px;cursor:pointer;transition:all .3s ease}.option-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 8px #00000026;border-color:#667eea}.option-button.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;transform:scale(1.05)}.option-button.selected .option-name{color:#fff;font-weight:700}.option-button:disabled{opacity:.6;cursor:not-allowed}.option-emoji{font-size:3rem;line-height:1}.option-name{font-size:1rem;font-weight:600;color:#2d3748;text-align:center}.create-section{text-align:center;margin:3rem 0}.create-button{min-height:80px;padding:1.5rem 3rem;font-size:1.75rem}.story-elements{display:flex;justify-content:center;align-items:center;gap:2rem;margin-bottom:2rem;flex-wrap:wrap}.story-element{display:flex;flex-direction:column;align-items:center;gap:.5rem}.element-emoji{font-size:4rem;line-height:1}.element-label{font-size:1.125rem;font-weight:700;color:#4a5568}.story-beginning{background:linear-gradient(135deg,#fef3c7,#fde68a);border-radius:24px;padding:2.5rem;box-shadow:0 8px 16px #0000001a;margin-bottom:2rem;border:3px solid #fbbf24;position:relative}.story-beginning:before{content:"📖";position:absolute;top:-30px;left:50%;transform:translate(-50%);font-size:3rem;background:#fff;border-radius:50%;padding:.5rem}.story-text{font-size:1.5rem;line-height:1.7;color:#2d3748;text-align:center;margin:0}.continue-prompt{background:#e0f2fe;border-radius:16px;padding:1.5rem;margin-bottom:2rem;text-align:center}.continue-prompt p{font-size:1.25rem;color:#0369a1;font-weight:700;margin:0}@media (max-width: 768px){.selection-section{padding:1.5rem}.section-title{font-size:1.5rem}.options-grid{grid-template-columns:repeat(2,1fr)}.option-button{min-height:90px}.option-emoji{font-size:2.5rem}.option-name{font-size:.875rem}.create-button{font-size:1.5rem;padding:1.25rem 2rem}.story-elements{gap:1rem}.element-emoji{font-size:3rem}.element-label{font-size:.875rem}.story-text{font-size:1.125rem}.continue-prompt p{font-size:1rem}}.number-adventure-container{min-height:100vh}.number-input-section{background:#fff;border-radius:20px;padding:2.5rem;box-shadow:0 4px 8px #0000001a;margin:2rem 0}.number-form{display:flex;flex-direction:column;gap:1.5rem}.number-label{font-size:1.5rem;font-weight:700;color:#2d3748;text-align:center}.number-input{flex:1;font-size:1.75rem;padding:1.25rem;border:3px solid #e2e8f0;border-radius:16px;text-align:center;font-weight:700;transition:all .3s ease}.number-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.number-input:disabled{opacity:.6;cursor:not-allowed}.explore-button{min-width:150px}.quick-numbers-section{margin:3rem 0}.quick-title{font-size:1.5rem;font-weight:700;color:#2d3748;text-align:center;margin-bottom:1.5rem}.quick-numbers-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:1rem}.quick-number-button{display:flex;align-items:center;justify-content:center;min-height:100px;padding:1.5rem;background:linear-gradient(135deg,#fbbf24,#f59e0b);border:none;border-radius:16px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 8px #00000026}.quick-number-button:hover:not(:disabled){transform:translateY(-4px);box-shadow:0 8px 16px #00000040}.quick-number-button:active:not(:disabled){transform:translateY(-2px)}.quick-number-button:disabled{opacity:.6;cursor:not-allowed}.quick-number{font-size:2.5rem;font-weight:700;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.number-display{text-align:center;margin-bottom:2rem}.big-number{display:inline-block;font-size:8rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#fbbf24,#f59e0b);padding:1.5rem 3rem;border-radius:24px;box-shadow:0 8px 16px #0003;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.facts-box{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border-radius:24px;padding:2.5rem;box-shadow:0 8px 16px #0000001a;margin-bottom:2rem;border:3px solid #3b82f6}.facts-title{font-size:1.75rem;font-weight:700;color:#1e40af;text-align:center;margin-bottom:1.5rem}.facts-text{font-size:1.5rem;line-height:1.7;color:#2d3748;text-align:center;margin:0}@media (max-width: 768px){.number-input-section{padding:1.5rem}.number-label{font-size:1.25rem}.input-group{flex-direction:column}.number-input{font-size:1.5rem;padding:1rem}.explore-button{width:100%}.quick-title{font-size:1.25rem}.quick-numbers-grid{grid-template-columns:repeat(3,1fr)}.quick-number-button{min-height:80px;padding:1rem}.quick-number{font-size:2rem}.big-number{font-size:5rem;padding:1rem 2rem}.facts-title{font-size:1.5rem}.facts-text{font-size:1.125rem}}.why-questions-container{min-height:100vh}.question-input-section{background:#fff;border-radius:20px;padding:2.5rem;box-shadow:0 4px 8px #0000001a;margin:2rem 0}.question-form{display:flex;flex-direction:column;gap:1.5rem}.question-label{font-size:1.5rem;font-weight:700;color:#2d3748;text-align:center}.input-group{display:flex;gap:1rem;align-items:stretch}.question-input{flex:1;font-size:1.25rem;padding:1.25rem;border:3px solid #e2e8f0;border-radius:16px;transition:all .3s ease}.question-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.question-input:disabled{opacity:.6;cursor:not-allowed}.ask-button{min-width:180px}.common-questions-section{margin:3rem 0}.common-title{font-size:1.5rem;font-weight:700;color:#2d3748;text-align:center;margin-bottom:1.5rem}.common-questions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}.common-question-button{display:flex;align-items:center;gap:1rem;padding:1.5rem;background:#fff;border:3px solid #e2e8f0;border-radius:16px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 8px #0000001a;text-align:left}.common-question-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 16px #00000026;border-color:#667eea;background:linear-gradient(135deg,#f7fafc,#edf2f7)}.common-question-button:active:not(:disabled){transform:translateY(0)}.common-question-button:disabled{opacity:.6;cursor:not-allowed}.question-emoji{font-size:2.5rem;line-height:1;flex-shrink:0}.question-text{font-size:1.125rem;font-weight:600;color:#2d3748}.loading-container{display:flex;flex-direction:column;align-items:center;gap:1.5rem;margin:4rem 0}.loading-text{font-size:1.5rem;color:#4a5568;font-weight:700}.error-message{background:#fff5f5;border:3px solid #fc8181;border-radius:16px;padding:2rem;text-align:center;margin:2rem 0}.error-message p{font-size:1.5rem;color:#c53030;margin:0}.result-container{margin:2rem 0}.question-display{text-align:center;margin-bottom:2rem}.asked-question{font-size:1.75rem;font-weight:700;color:#2d3748;margin:0}.answer-box{background:linear-gradient(135deg,#ddd6fe,#c4b5fd);border-radius:24px;padding:2.5rem;box-shadow:0 8px 16px #0000001a;margin-bottom:2rem;border:3px solid #8b5cf6}.answer-header{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1.5rem}.answer-icon{font-size:3rem;line-height:1}.answer-title{font-size:1.5rem;font-weight:700;color:#5b21b6;margin:0}.answer-text{font-size:1.5rem;line-height:1.7;color:#2d3748;text-align:center;margin:0}.encouragement{background:#fef3c7;border-radius:16px;padding:1.5rem;margin-bottom:2rem;text-align:center}.encouragement p{font-size:1.25rem;color:#92400e;font-weight:700;margin:0}.action-buttons{display:flex;justify-content:center;margin:2rem 0}@media (max-width: 768px){.question-input-section{padding:1.5rem}.question-label{font-size:1.25rem}.input-group{flex-direction:column}.question-input{font-size:1.125rem;padding:1rem}.ask-button{width:100%}.common-title{font-size:1.25rem}.common-questions-grid{grid-template-columns:1fr}.common-question-button{padding:1.25rem}.question-emoji{font-size:2rem}.question-text{font-size:1rem}.asked-question{font-size:1.5rem}.answer-icon{font-size:2.5rem}.answer-title{font-size:1.25rem}.answer-text{font-size:1.125rem}.encouragement p{font-size:1rem}}.music-maker{max-width:800px;margin:0 auto}.music-header{text-align:center;margin-bottom:2rem}.music-header h1{font-size:2.5rem;color:var(--text-primary);margin-bottom:.5rem}.music-subtitle{font-size:1.125rem;color:var(--text-secondary)}.age-badge{display:inline-block;background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:600;margin-top:.5rem}.music-controls{background:var(--background);border:3px solid #10b981;border-radius:20px;padding:2rem;margin-bottom:2rem}.control-group{margin-bottom:2rem}.control-group:last-child{margin-bottom:0}.control-label{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;display:block}.option-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem}.option-btn{background:#fff;border:3px solid #e5e7eb;border-radius:16px;padding:1.5rem 1rem;cursor:pointer;transition:all .3s;display:flex;flex-direction:column;align-items:center;gap:.5rem}.option-btn:hover{transform:translateY(-4px);border-color:#10b981;box-shadow:0 8px 16px #10b98133}.option-btn.selected{background:linear-gradient(135deg,#10b9811a,#0596691a);border-color:#10b981;border-width:4px}.option-emoji{font-size:2.5rem}.option-name{font-size:1rem;font-weight:600;color:var(--text-primary)}.play-button{background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;border-radius:16px;padding:1.5rem 3rem;font-size:1.5rem;font-weight:700;cursor:pointer;width:100%;margin-top:2rem;transition:all .3s;box-shadow:0 4px 12px #10b98166}.play-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #10b98180}.play-button:disabled{opacity:.5;cursor:not-allowed}.music-result{background:linear-gradient(135deg,#10b9811a,#0596691a);border:3px solid #10b981;border-radius:20px;padding:2rem;text-align:center;animation:fadeIn .5s}.result-icon{font-size:4rem;margin-bottom:1rem;animation:bounce 1s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.music-story{font-size:1.5rem;line-height:1.8;color:var(--text-primary);margin:1.5rem 0;font-weight:500}.play-again-button{background:#fff;color:#10b981;border:3px solid #10b981;border-radius:12px;padding:1rem 2rem;font-size:1.125rem;font-weight:700;cursor:pointer;margin-top:1.5rem;transition:all .3s}.play-again-button:hover{background:#10b981;color:#fff;transform:translateY(-2px)}@media (max-width: 768px){.music-header h1{font-size:2rem}.option-buttons{grid-template-columns:repeat(2,1fr)}.play-button{font-size:1.25rem;padding:1.25rem 2rem}.music-story{font-size:1.25rem}}.math-helper{max-width:800px;margin:0 auto}.math-header{text-align:center;margin-bottom:2rem}.math-header h1{font-size:2.5rem;color:var(--text-primary);margin-bottom:.5rem}.math-subtitle{font-size:1.125rem;color:var(--text-secondary)}.age-badge{display:inline-block;background:linear-gradient(135deg,#3b82f6,#1e40af);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:600;margin-top:.5rem}.math-form{background:var(--background);border:3px solid #3b82f6;border-radius:20px;padding:2rem}.input-group{margin-bottom:1.5rem}.input-label{display:block;font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:.75rem}.problem-input{width:100%;padding:1rem;border:2px solid var(--border);border-radius:12px;font-size:1.125rem;font-family:inherit;resize:vertical;background:var(--background-secondary);color:var(--text-primary)}.problem-input:focus{outline:none;border-color:#3b82f6}.example-problems{background:linear-gradient(135deg,#3b82f61a,#1e40af1a);border:2px dashed #3b82f6;border-radius:12px;padding:1.5rem;margin-bottom:1.5rem}.examples-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.example-btn{background:#fff;border:2px solid #3b82f6;border-radius:8px;padding:.75rem 1rem;margin:.25rem;font-size:.95rem;cursor:pointer;transition:all .3s;color:var(--text-primary)}.example-btn:hover{background:#3b82f6;color:#fff;transform:translateY(-2px)}.help-button{width:100%;background:linear-gradient(135deg,#3b82f6,#1e40af);color:#fff;border:none;border-radius:12px;padding:1.25rem 2rem;font-size:1.25rem;font-weight:700;cursor:pointer;transition:all .3s;box-shadow:0 4px 12px #3b82f666}.help-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #3b82f680}.help-button:disabled{opacity:.5;cursor:not-allowed}.math-result{background:linear-gradient(135deg,#3b82f61a,#1e40af1a);border:3px solid #3b82f6;border-radius:20px;padding:2rem;text-align:center;animation:fadeIn .5s}.result-icon{font-size:4rem;margin-bottom:1rem}.math-result h2{font-size:1.75rem;color:var(--text-primary);margin-bottom:1.5rem}.math-explanation{background:#fff;border:2px solid #3b82f6;border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;text-align:left;line-height:1.8;font-size:1.125rem;color:var(--text-primary);white-space:pre-wrap}.try-another-button{background:#fff;color:#3b82f6;border:3px solid #3b82f6;border-radius:12px;padding:1rem 2rem;font-size:1.125rem;font-weight:700;cursor:pointer;transition:all .3s}.try-another-button:hover{background:#3b82f6;color:#fff;transform:translateY(-2px)}@media (max-width: 768px){.math-header h1{font-size:2rem}.example-btn{display:block;width:100%}.result-actions{flex-direction:column}.try-another-button{width:100%}}.science-experiments{max-width:900px;margin:0 auto}.science-header{text-align:center;margin-bottom:2rem}.science-header h1{font-size:2.5rem;color:var(--text-primary);margin-bottom:.5rem}.science-subtitle{font-size:1.125rem;color:var(--text-secondary)}.age-badge{display:inline-block;background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:600;margin-top:.5rem}.science-form{background:var(--background);border:3px solid #8b5cf6;border-radius:20px;padding:2rem}.form-label{display:block;font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;text-align:center}.items-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin-bottom:1.5rem}.item-btn{background:#fff;border:3px solid var(--border);border-radius:16px;padding:1.25rem 1rem;cursor:pointer;transition:all .3s;display:flex;flex-direction:column;align-items:center;gap:.5rem;position:relative}.item-btn:hover{border-color:#8b5cf6;transform:translateY(-4px);box-shadow:0 8px 16px #8b5cf633}.item-btn.selected{background:linear-gradient(135deg,#8b5cf626,#6d28d926);border-color:#8b5cf6;border-width:4px}.item-emoji{font-size:2.5rem}.item-name{font-size:.95rem;font-weight:600;color:var(--text-primary)}.checkmark{position:absolute;top:.5rem;right:.5rem;background:#8b5cf6;color:#fff;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700}.selected-count{text-align:center;font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:1.5rem}.hint{color:var(--text-secondary);font-size:.95rem;font-weight:400}.generate-button{width:100%;background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;border:none;border-radius:12px;padding:1.25rem 2rem;font-size:1.25rem;font-weight:700;cursor:pointer;transition:all .3s;box-shadow:0 4px 12px #8b5cf666}.generate-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #8b5cf680}.generate-button:disabled{opacity:.5;cursor:not-allowed}.experiment-result{background:linear-gradient(135deg,#8b5cf61a,#6d28d91a);border:3px solid #8b5cf6;border-radius:20px;padding:2rem;animation:fadeIn .5s}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.result-icon{font-size:4rem;text-align:center;margin-bottom:1.5rem}.experiment-content{background:#fff;border:2px solid #8b5cf6;border-radius:12px;padding:2rem;margin-bottom:1.5rem;line-height:1.8;font-size:1.125rem;color:var(--text-primary);white-space:pre-wrap;text-align:left}.result-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.new-experiment-button{background:#fff;color:#8b5cf6;border:3px solid #8b5cf6;border-radius:12px;padding:1rem 2rem;font-size:1.125rem;font-weight:700;cursor:pointer;transition:all .3s}.new-experiment-button:hover{background:#8b5cf6;color:#fff;transform:translateY(-2px)}@media (max-width: 768px){.science-header h1{font-size:2rem}.items-grid{grid-template-columns:repeat(2,1fr)}.result-actions{flex-direction:column}.new-experiment-button{width:100%}}