.language-toggle{display:flex;align-items:center;gap:var(--spacing-sm)}.toggle-btn{position:relative;display:flex;align-items:center;background:#fff;border:2px solid var(--color-primary);border-radius:50px;padding:.5rem 1rem;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-sm);overflow:hidden}.toggle-btn:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.toggle-option{display:flex;align-items:center;gap:.3rem;font-size:1rem;z-index:2;transition:all var(--transition-normal)}.toggle-btn.active .toggle-option:first-child{opacity:1;font-weight:600}.toggle-btn.active .toggle-option:last-child{opacity:.4}.toggle-btn:not(.active) .toggle-option:first-child{opacity:.4}.toggle-btn:not(.active) .toggle-option:last-child{opacity:1;font-weight:600}.flag{font-size:1.2rem}.arrow{font-size:.9rem;color:var(--color-primary);font-weight:700}.toggle-slider{position:absolute;top:50%;left:0;transform:translateY(-50%);width:50%;height:80%;background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-primary) 100%);border-radius:50px;transition:all var(--transition-normal);z-index:1}.toggle-btn.active .toggle-slider{left:0}.toggle-btn:not(.active) .toggle-slider{left:50%}.toggle-label{font-size:.9rem;font-weight:600;color:var(--text-primary);white-space:nowrap}@media(max-width:768px){.toggle-label{display:none}.toggle-btn{padding:.4rem .8rem}.flag{font-size:1rem}}.header{position:relative;width:100%;background:linear-gradient(180deg,#87ceeb,#e8f5e9);overflow:hidden;margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-md)}.header-scene{position:relative;height:200px;width:100%}.sky{position:absolute;top:0;left:0;right:0;height:140px;background:linear-gradient(180deg,#87ceeb,#b8e6f5)}.sun{position:absolute;top:20px;right:60px;width:60px;height:60px;background:radial-gradient(circle,gold,#ffed4e);border-radius:50%;box-shadow:0 0 30px #ffd70099;animation:pulse 3s ease-in-out infinite}.cloud{position:absolute;background:#fff;border-radius:100px;opacity:.9;animation:float 6s ease-in-out infinite}.cloud:before,.cloud:after{content:"";position:absolute;background:#fff;border-radius:100px}.cloud-1{width:80px;height:30px;top:30px;left:10%;animation-delay:0s}.cloud-1:before{width:50px;height:40px;top:-20px;left:10px}.cloud-1:after{width:40px;height:30px;top:-15px;right:10px}.cloud-2{width:100px;height:35px;top:60px;left:40%;animation-delay:1s}.cloud-2:before{width:60px;height:45px;top:-22px;left:15px}.cloud-2:after{width:50px;height:35px;top:-18px;right:15px}.cloud-3{width:70px;height:28px;top:40px;right:15%;animation-delay:2s}.cloud-3:before{width:45px;height:38px;top:-18px;left:8px}.cloud-3:after{width:35px;height:28px;top:-14px;right:8px}.farm-scene{position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(180deg,#8bc34a,#689f38)}.barn{position:absolute;bottom:20px;left:50%;transform:translate(-50%);width:120px;height:80px;background:#c62828;border-radius:4px}.barn-roof{position:absolute;bottom:95px;left:50%;transform:translate(-50%);width:0;height:0;border-left:70px solid transparent;border-right:70px solid transparent;border-bottom:50px solid #b71c1c}.barn-door{position:absolute;bottom:20px;left:50%;transform:translate(-50%);width:35px;height:45px;background:#5d4037;border-radius:4px 4px 0 0}.barn-door:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:2px;height:100%;background:#3e2723}.tree{position:absolute;bottom:20px;font-size:3rem;animation:float 4s ease-in-out infinite}.tree-1{left:15%;animation-delay:.5s}.tree-2{right:15%;animation-delay:1.5s}.fence{position:absolute;bottom:15px;left:0;right:0;height:3px;background:repeating-linear-gradient(90deg,#5d4037 0px,#5d4037 20px,transparent 20px,transparent 25px)}.fence:before{content:"";position:absolute;bottom:10px;left:0;right:0;height:3px;background:repeating-linear-gradient(90deg,#5d4037 0px,#5d4037 20px,transparent 20px,transparent 25px)}.header-content{position:relative;text-align:center;padding:var(--spacing-md) var(--spacing-lg);background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-title{font-family:var(--font-display);font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-xs);animation:slideDown .6s ease;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.title-emoji{font-size:2rem;animation:bounce 2s ease-in-out infinite}.title-emoji:last-child{animation-delay:.5s}.header-subtitle{font-family:var(--font-body);font-size:1rem;color:var(--text-secondary);font-weight:500;animation:fadeIn .8s ease .2s backwards}@media(max-width:768px){.header-scene{height:150px}.sky{height:100px}.farm-scene{height:80px}.barn{width:80px;height:60px;bottom:15px}.barn-roof{bottom:70px;border-left:50px solid transparent;border-right:50px solid transparent;border-bottom:35px solid #b71c1c}.barn-door{width:25px;height:35px}.sun{width:40px;height:40px;top:15px;right:30px}.tree{font-size:2rem}.header-title{font-size:1.8rem}.title-emoji{font-size:1.5rem}.header-subtitle{font-size:.9rem}}@media(max-width:480px){.header-title{font-size:1.5rem;flex-direction:column;gap:var(--spacing-xs)}.header-subtitle{font-size:.8rem}}.theme-selector-container{margin:var(--spacing-xl) 0;animation:fadeIn .6s ease}.theme-selector-title{font-family:var(--font-display);font-size:1.8rem;font-weight:600;color:var(--text-primary);text-align:center;margin-bottom:var(--spacing-lg)}.theme-selector{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-md);padding:var(--spacing-md);max-width:1300px;margin:0 auto;width:100%}.theme-selector-container.is-home{min-height:70vh;display:flex;flex-direction:column;justify-content:center;padding:var(--spacing-xl) 0}.theme-selector-container.is-home .theme-selector-title{font-size:2.8rem;margin-bottom:var(--spacing-xl);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.theme-selector-container.is-home .theme-card{padding:var(--spacing-lg);height:180px;flex-direction:column;justify-content:center;text-align:center}.theme-selector-container.is-home .theme-icon{font-size:4rem;margin-bottom:var(--spacing-sm)}.theme-selector-container.is-home .theme-name{font-size:1.6rem}.theme-selector-container.is-home .theme-spanish{font-size:1.1rem}.theme-selector-container.is-compact{background:var(--bg-cream);padding:var(--spacing-md) 0;margin:0}.theme-selector-container.is-compact .theme-selector-title{display:none}.theme-selector-container.is-compact .theme-selector{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--spacing-sm)}.theme-selector-container.is-compact .theme-card{padding:.5rem 1rem;height:auto;min-width:150px}.theme-selector-container.is-compact .theme-icon{font-size:1.5rem}.theme-selector-container.is-compact .theme-name{font-size:.9rem;margin:0}.theme-selector-container.is-compact .theme-spanish,.theme-selector-container.is-compact .theme-badge{display:none}.theme-card{position:relative;display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-light);border:3px solid transparent;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-sm);overflow:hidden}.theme-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--theme-color);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-normal)}.theme-card:hover:before{transform:scaleX(1)}.theme-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--theme-color)}.theme-card.active{border-color:var(--theme-color);background:linear-gradient(135deg,var(--bg-light) 0%,var(--bg-cream) 100%);box-shadow:var(--shadow-lg)}.theme-card.active:before{transform:scaleX(1)}.theme-card.active:after{content:"✓";position:absolute;top:10px;right:10px;width:28px;height:28px;background:var(--theme-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;animation:bounce .5s ease}.theme-card.locked{opacity:.6;cursor:not-allowed;background:linear-gradient(135deg,#f5f5f5,#e0e0e0)}.theme-card.locked:hover{transform:none;box-shadow:var(--shadow-sm);border-color:transparent}.theme-icon{font-size:2.2rem;flex-shrink:0;transition:transform var(--transition-normal)}.theme-card:hover .theme-icon{transform:scale(1.1) rotate(5deg)}.theme-card.active .theme-icon{animation:bounce .6s ease}.theme-info{flex:1;min-width:0}.theme-name{font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:.25rem}.theme-spanish{font-size:.9rem;color:var(--text-secondary);font-weight:500}.theme-badge{position:absolute;bottom:10px;right:10px;padding:.25rem .75rem;background:var(--theme-color);color:#fff;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;opacity:.9}@media(max-width:768px){.theme-selector{grid-template-columns:repeat(2,1fr);padding:0 var(--spacing-sm)}.theme-selector-title{font-size:1.5rem}.theme-card{padding:var(--spacing-sm)}.theme-icon{font-size:2.5rem}.theme-name{font-size:1.1rem}}@media(max-width:480px){.theme-selector-title{font-size:1.3rem}.theme-icon{font-size:2rem}.theme-name{font-size:1rem}.theme-spanish{font-size:.85rem}}.vocabulary-card-wrapper{perspective:1000px;animation:fadeIn .5s ease backwards}.vocabulary-card{position:relative;width:100%;height:300px;transition:transform .6s;transform-style:preserve-3d;cursor:pointer}.vocabulary-card.flipped{transform:rotateY(180deg)}.card-face{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:var(--bg-light);overflow:hidden;display:flex;flex-direction:column}.card-front{background:linear-gradient(135deg,#fff,#f8f9fa)}.card-back{background:linear-gradient(135deg,#4caf50,#66bb6a);transform:rotateY(180deg);color:#fff}.card-image-container{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--spacing-sm);background:#fff}.card-image{max-width:100%;max-height:180px;object-fit:contain;transition:transform var(--transition-normal);border-radius:var(--radius-md)}.vocabulary-card:hover .card-image{transform:scale(1.05)}.card-content{padding:var(--spacing-sm) var(--spacing-md);display:flex;flex-direction:row;align-items:center;justify-content:space-between;background:#fff;min-height:80px;text-align:left;position:relative;width:100%;border-top:1px solid #eee}.card-word{font-family:var(--font-display);font-size:clamp(1.1rem,5cqi,1.4rem);font-weight:700;color:var(--text-primary);margin:0;text-transform:capitalize;line-height:1.2;word-wrap:break-word;overflow-wrap:break-word;flex:1}.audio-button{background:var(--color-accent);border:none;border-radius:50%;width:38px;height:38px;font-size:1rem;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center;margin-left:10px;flex-shrink:0}.audio-button:hover{transform:scale(1.1);box-shadow:var(--shadow-md);background:var(--color-accent-light)}.audio-button:active{transform:scale(.95)}.flip-hint{padding:6px;text-align:center;font-size:.7rem;color:var(--text-secondary);background:#f8fff9;border-top:1px solid #e0f2f1}.card-back-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-lg);gap:var(--spacing-md)}.translation-label{font-size:.9rem;font-weight:500;opacity:.9;text-transform:uppercase;letter-spacing:1px}.card-translation{font-family:var(--font-display);font-size:clamp(1.5rem,6cqi,2.5rem);font-weight:700;color:#fff;text-align:center;text-shadow:2px 2px 8px rgba(0,0,0,.3);width:100%;word-wrap:break-word;overflow-wrap:break-word;line-height:1.1}.english-label{font-size:1.1rem;opacity:.85;font-style:italic}.phonetic-label{font-size:1.3rem;font-family:Courier New,monospace;color:#fffffff2;padding:.5rem 1rem;background:#ffffff26;border-radius:var(--radius-sm);font-weight:500;letter-spacing:.5px;border:1px solid rgba(255,255,255,.2)}.audio-button-back{margin-top:var(--spacing-sm);padding:.75rem 1.5rem;background:#fff;color:var(--color-primary);border:none;border-radius:var(--radius-md);font-family:var(--font-body);font-weight:600;font-size:1rem;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:.5rem}.audio-button-back:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);background:#f8f9fa}.audio-button-back:active{transform:translateY(0)}.card-back .flip-hint{background:#fff3;color:#fff;border-top:1px solid rgba(255,255,255,.2)}.vocabulary-card-wrapper:hover .vocabulary-card:not(.flipped){transform:translateY(-5px)}.vocabulary-card-wrapper:hover .vocabulary-card:not(.flipped) .card-face{box-shadow:var(--shadow-lg)}@media(max-width:768px){.vocabulary-card{height:320px}.card-image{max-height:150px}.card-word{font-size:1.5rem}.card-translation{font-size:1.8rem}.phonetic-label{font-size:1.1rem;padding:.4rem .8rem}.audio-button{width:38px;height:38px;font-size:1rem}.card-content{padding:var(--spacing-sm) var(--spacing-sm) 45px;min-height:100px}}@media(max-width:480px){.vocabulary-card{height:300px}.card-image{max-height:130px}.card-word{font-size:1.3rem}.card-translation{font-size:1.6rem}.phonetic-label{font-size:.9rem;padding:.3rem .6rem}.card-content{padding:5px 10px 40px;min-height:90px}.audio-button{width:35px;height:35px}.flip-hint{font-size:.7rem}}.quiz-mode-overlay{position:fixed;inset:0;background:#000c;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease;padding:var(--spacing-md)}.quiz-mode-container{background:linear-gradient(135deg,#fff,#f8f9fa);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:1400px;width:95%;max-height:90vh;overflow-y:auto;padding:var(--spacing-xl);animation:slideDown .4s ease}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--color-primary-light)}.quiz-title{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--text-primary);margin:0}.quiz-close-btn{background:transparent;border:none;font-size:2rem;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-normal);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%}.quiz-close-btn:hover{background:#0000000d;transform:rotate(90deg)}.quiz-score{display:flex;gap:var(--spacing-lg);justify-content:center;margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.score-item{display:flex;flex-direction:column;align-items:center;gap:.25rem}.score-label{font-size:.9rem;font-weight:500;color:#ffffffe6;text-transform:uppercase;letter-spacing:1px}.score-value{font-family:var(--font-display);font-size:1.8rem;font-weight:700;color:#fff}.quiz-question{text-align:center;margin-bottom:var(--spacing-lg);padding:var(--spacing-lg);background:linear-gradient(135deg,#e3f2fd,#e8f5e9);border-radius:var(--radius-lg);border:2px solid var(--color-accent-light)}.question-text{font-family:var(--font-display);font-size:1.8rem;font-weight:600;color:var(--text-primary);margin:0 0 .5rem}.highlight{color:var(--color-primary);background:#4caf501a;padding:.2rem .5rem;border-radius:var(--radius-sm)}.question-subtitle{font-size:1.1rem;color:var(--text-secondary);margin:0;font-style:italic}.quiz-feedback{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md);border-radius:var(--radius-lg);margin-bottom:var(--spacing-lg);animation:bounce .5s ease}.quiz-feedback.correct{background:linear-gradient(135deg,#4caf50,#66bb6a);color:#fff}.quiz-feedback.incorrect{background:linear-gradient(135deg,#ff9800,#ffb74d);color:#fff}.feedback-icon{font-size:2rem}.feedback-text{font-family:var(--font-display);font-size:1.3rem;font-weight:600}.quiz-cards-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.quiz-card{background:#fff;border:3px solid transparent;border-radius:var(--radius-lg);padding:var(--spacing-sm);cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}.quiz-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--color-accent-light)}.quiz-card.selected-correct{border-color:#4caf50;background:linear-gradient(135deg,#e8f5e9,#c8e6c9);animation:pulse .5s ease}.quiz-card.selected-incorrect{border-color:#ff9800;background:linear-gradient(135deg,#fff3e0,#ffe0b2);animation:shake .5s ease}.quiz-card.correct-answer{border-color:#4caf50;box-shadow:0 0 20px #4caf5066}.quiz-card-image{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e8f5e9,#f1f8e9);border-radius:var(--radius-md);margin-bottom:var(--spacing-xs);overflow:hidden}.quiz-card-image img{width:100%;height:100%;object-fit:contain}.quiz-card-label{font-family:var(--font-display);font-size:1rem;font-weight:600;color:var(--text-primary);text-align:center}.quiz-next-btn{width:100%;padding:var(--spacing-md);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;border:none;border-radius:var(--radius-lg);font-family:var(--font-display);font-size:1.2rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md)}.quiz-next-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.quiz-results{text-align:center;padding:var(--spacing-xl)}.results-icon{font-size:5rem;margin-bottom:var(--spacing-md);animation:bounce 1s ease infinite}.results-title{font-family:var(--font-display);font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-md)}.results-score{margin-bottom:var(--spacing-md)}.final-score{font-family:var(--font-display);font-size:4rem;font-weight:700;color:var(--color-primary)}.final-total{font-size:2rem;color:var(--text-secondary)}.results-message{font-size:1.3rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);font-weight:500}.results-buttons{display:flex;gap:var(--spacing-md);justify-content:center}.quiz-restart-btn,.quiz-close-final-btn{padding:var(--spacing-md) var(--spacing-xl);border:none;border-radius:var(--radius-lg);font-family:var(--font-display);font-size:1.1rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md)}.quiz-restart-btn{background:linear-gradient(135deg,var(--color-secondary) 0%,var(--color-secondary-dark) 100%);color:#fff}.quiz-close-final-btn{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff}.quiz-restart-btn:hover,.quiz-close-final-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}@media(max-width:768px){.quiz-mode-container{padding:var(--spacing-md)}.quiz-title{font-size:1.5rem}.question-text{font-size:1.4rem}.quiz-cards-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:var(--spacing-sm)}.results-icon{font-size:3.5rem}.results-title{font-size:2rem}.final-score{font-size:3rem}.results-buttons{flex-direction:column}}@media(max-width:480px){.quiz-score{flex-direction:column;gap:var(--spacing-sm)}.quiz-cards-grid{grid-template-columns:repeat(3,1fr)}.quiz-card-label{font-size:.85rem}}.vocabulary-section{margin:var(--spacing-xl) 0;padding:0 var(--spacing-md)}.vocabulary-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);gap:var(--spacing-md);flex-wrap:wrap}.vocabulary-title{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--text-primary);text-align:center;margin-bottom:var(--spacing-lg);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.title-icon{font-size:1.8rem;animation:bounce 2s ease-in-out infinite}.title-icon:last-child{animation-delay:.5s}.quiz-start-btn{padding:.75rem 1.5rem;background:linear-gradient(135deg,var(--color-accent) 0%,#1976d2 100%);color:#fff;border:none;border-radius:var(--radius-lg);font-family:var(--font-display);font-size:1.2rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md);white-space:nowrap;min-height:52px;padding:0 2rem}.quiz-start-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#1976d2,#1565c0)}.quiz-start-btn:active{transform:translateY(0)}.vocabulary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--spacing-md);max-width:1400px;margin:0 auto}@media(max-width:768px){.vocabulary-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--spacing-md)}}@media(max-width:480px){.vocabulary-grid{grid-template-columns:1fr;gap:var(--spacing-md)}}.vocabulary-grid-item{animation:fadeIn .6s ease backwards}@media(max-width:768px){.vocabulary-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--spacing-md)}.vocabulary-title{font-size:1.6rem}.title-icon{font-size:1.5rem}}@media(max-width:480px){.vocabulary-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.vocabulary-title{font-size:1.4rem;flex-direction:column;gap:var(--spacing-xs)}}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;display:flex;flex-direction:column}.home-view .main-content{justify-content:center;padding-top:var(--spacing-xl)}.back-navigation{padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-cream);border-bottom:2px solid rgba(0,0,0,.05)}.back-button{background:#fff;border:2px solid var(--color-primary);color:var(--color-primary);padding:.6rem 1.2rem;border-radius:var(--radius-md);font-family:var(--font-display);font-weight:600;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:.5rem;box-shadow:var(--shadow-sm)}.back-button:hover{background:var(--color-primary);color:#fff;transform:translate(-4px);box-shadow:var(--shadow-md)}.footer{margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;text-align:center;box-shadow:0 -4px 12px #0000001a}.footer p{font-family:var(--font-body);font-size:.95rem;font-weight:500;margin:0}.main-content{animation:fadeIn .8s ease}@media(max-width:768px){.footer p{font-size:.85rem}}@media(max-width:480px){.footer{padding:var(--spacing-md)}.footer p{font-size:.8rem}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Poppins,sans-serif;background:linear-gradient(135deg,#e8f5e9,#f1f8e9);min-height:100vh;overflow-x:hidden}:root{--color-primary: #4caf50;--color-primary-light: #81c784;--color-primary-dark: #388e3c;--color-secondary: #ff9800;--color-secondary-light: #ffb74d;--color-secondary-dark: #f57c00;--color-accent: #2196f3;--color-accent-light: #64b5f6;--bg-light: #ffffff;--bg-cream: #fffef7;--bg-green-light: #e8f5e9;--bg-blue-light: #e3f2fd;--text-primary: #2e7d32;--text-secondary: #558b2f;--text-dark: #1b5e20;--text-light: #ffffff;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .1);--shadow-md: 0 4px 16px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .15);--shadow-xl: 0 12px 32px rgba(0, 0, 0, .18);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--font-display: "Fredoka", sans-serif;--font-body: "Poppins", sans-serif}.container{max-width:100%;padding:0 var(--spacing-xl)}.text-center{text-align:center}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}@keyframes flip{0%{transform:rotateY(0)}to{transform:rotateY(180deg)}}.app{min-height:100vh;padding-bottom:var(--spacing-xl)}.btn{font-family:var(--font-body);font-weight:600;padding:.75rem 1.5rem;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);font-size:1.1rem;box-shadow:var(--shadow-sm);min-height:48px;display:inline-flex;align-items:center;justify-content:center}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:var(--text-light)}.btn-secondary{background:linear-gradient(135deg,var(--color-secondary) 0%,var(--color-secondary-dark) 100%);color:var(--text-light)}@media(max-width:768px){:root{font-size:14px}.container{padding:0 var(--spacing-sm)}}@media(max-width:480px){:root{font-size:13px}}