:root{--primary-color: #ff7b25;--secondary-color: #4a6bff;--tertiary-color: #44c767;--background-color: #f9f9f9;--text-color: #333;--light-color: #fff;--shadow-color: rgba(0, 0, 0, .1);--border-radius: 12px;--font-family: "Nunito", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.6}.quiz-container{max-width:900px;margin:0 auto;padding:20px}header{text-align:center;margin-bottom:30px}h1{color:var(--primary-color);font-size:2.5rem;margin-bottom:20px;text-shadow:2px 2px 4px var(--shadow-color)}h2{color:var(--secondary-color);font-size:1.8rem;margin-bottom:15px}h3{color:var(--text-color);font-size:1.4rem;margin-bottom:10px}.fox-container{display:flex;align-items:flex-start;justify-content:center;margin-bottom:20px;position:relative}.fox-character{width:150px;height:150px;position:relative}.fox-character img{width:100%;height:auto;filter:drop-shadow(3px 3px 5px var(--shadow-color));transition:transform .3s ease}.fox-character img:hover{transform:scale(1.05)}.speech-bubble{position:relative;background:var(--light-color);border-radius:20px;padding:15px;margin-left:20px;max-width:400px;box-shadow:0 4px 8px var(--shadow-color)}.speech-bubble:after{content:"";position:absolute;left:0;top:30px;width:0;height:0;border:15px solid transparent;border-right-color:var(--light-color);border-left:0;margin-top:-15px;margin-left:-15px}.quiz-screen{background-color:var(--light-color);border-radius:var(--border-radius);padding:30px;box-shadow:0 8px 16px var(--shadow-color);margin-bottom:30px;display:none}.quiz-screen.active{display:block}.category-selection{margin-top:30px}.categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:20px}.category-btn{background-color:var(--light-color);border:2px solid var(--primary-color);border-radius:var(--border-radius);padding:15px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;font-family:var(--font-family);font-size:1rem;font-weight:600}.category-btn:hover{transform:translateY(-5px);box-shadow:0 5px 15px var(--shadow-color)}.category-btn .emoji{font-size:2rem;margin-bottom:10px}.progress-container{margin-bottom:30px}.progress-bar{width:100%;height:10px;background-color:#e0e0e0;border-radius:5px;overflow:hidden;margin-bottom:10px}.progress{height:100%;background-color:var(--tertiary-color);width:0%;transition:width .3s ease}.progress-text{text-align:right;font-size:.9rem;color:#666}.question-container{margin-bottom:30px}.answers-container{display:grid;grid-template-columns:1fr;gap:15px;margin-top:20px}.answer-btn{background-color:var(--light-color);border:2px solid var(--secondary-color);border-radius:var(--border-radius);padding:15px;text-align:left;cursor:pointer;transition:all .2s ease;font-family:var(--font-family);font-size:1rem}.answer-btn:hover{background-color:#4a6bff1a}.answer-btn.correct{background-color:var(--tertiary-color);color:var(--light-color);border-color:var(--tertiary-color)}.answer-btn.incorrect{background-color:#ff4d4d;color:var(--light-color);border-color:#ff4d4d}.result-container{display:flex;align-items:center;margin:30px 0}.result-badge{width:120px;height:120px;margin-right:30px}.result-badge img{width:100%;height:auto;filter:drop-shadow(3px 3px 5px var(--shadow-color))}.result-text{flex:1}.btn{background-color:var(--primary-color);color:var(--light-color);border:none;border-radius:var(--border-radius);padding:12px 25px;font-family:var(--font-family);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:block;margin:0 auto}.btn:hover{background-color:#e86b15;transform:translateY(-2px);box-shadow:0 4px 8px var(--shadow-color)}footer{text-align:center;margin-top:30px;color:#666;font-size:.9rem}@keyframes correct-answer{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.answer-btn.correct{animation:correct-answer .5s ease}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:15px}.footer-btn{background:var(--secondary-color);color:var(--light-color);border:none;padding:8px 16px;border-radius:var(--border-radius);cursor:pointer;font-size:.9rem;font-weight:600;transition:all .3s ease;box-shadow:0 2px 4px var(--shadow-color)}.footer-btn:hover{background:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 8px var(--shadow-color)}.footer-btn:active{transform:translateY(0)}.changelog-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fade-in .3s ease}.changelog-modal{background:var(--light-color);border-radius:var(--border-radius);max-width:800px;max-height:80vh;width:90%;overflow-y:auto;box-shadow:0 10px 30px #0000004d;animation:slide-in .3s ease;position:relative}.changelog-header{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:var(--light-color);padding:20px;border-radius:var(--border-radius) var(--border-radius) 0 0;text-align:center}.changelog-header h2{margin:0;font-size:1.8rem;font-weight:700}.changelog-header p{margin:5px 0 0;opacity:.9;font-size:1rem}.changelog-content{padding:20px}.changelog-section{margin-bottom:30px}.changelog-section h3{color:var(--primary-color);font-size:1.4rem;margin-bottom:15px;border-bottom:2px solid var(--primary-color);padding-bottom:5px}.versions-list{display:flex;flex-direction:column;gap:15px}.changelog-version{background:var(--background-color);border-radius:var(--border-radius);padding:15px;border-left:4px solid var(--secondary-color);transition:all .3s ease}.changelog-version:hover{transform:translate(5px);box-shadow:0 4px 12px var(--shadow-color)}.changelog-version.major{border-left-color:#f44}.changelog-version.minor{border-left-color:#4f4}.changelog-version.patch{border-left-color:#44f}.changelog-version.planned{border-left-color:#fa4;opacity:.8}.version-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.version-number{font-size:1.2rem;font-weight:700;color:var(--primary-color)}.version-date{font-size:.9rem;color:#666;font-style:italic}.version-title{font-weight:600;color:var(--text-color);margin-bottom:10px;font-size:1.1rem}.version-changes{list-style:none;padding:0}.version-changes li{margin-bottom:5px;padding-left:15px;position:relative}.version-changes li:before{content:"•";color:var(--secondary-color);font-weight:700;position:absolute;left:0}.changelog-close{position:absolute;top:10px;right:10px;background:#fff3;border:none;width:35px;height:35px;border-radius:50%;color:var(--light-color);font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.changelog-close:hover{background:#ffffff4d;transform:scale(1.1)}.changelog-footer{background:var(--background-color);padding:15px 20px;border-radius:0 0 var(--border-radius) var(--border-radius);border-top:1px solid #eee;text-align:center;font-size:.9rem;color:#666}.changelog-footer a{color:var(--secondary-color);text-decoration:none}.changelog-footer a:hover{text-decoration:underline}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-in{0%{opacity:0;transform:scale(.9) translateY(-20px)}to{opacity:1;transform:scale(1) translateY(0)}}@media (max-width: 768px){.changelog-modal{width:95%;max-height:90vh}.changelog-header{padding:15px}.changelog-header h2{font-size:1.5rem}.footer-content{flex-direction:column;text-align:center}.footer-btn{width:100%;max-width:200px}}@keyframes incorrect-answer{0%{transform:translate(0)}25%{transform:translate(-10px)}50%{transform:translate(10px)}75%{transform:translate(-10px)}to{transform:translate(0)}}.answer-btn.incorrect{animation:incorrect-answer .5s ease}@media (max-width: 768px){.quiz-container{padding:15px}h1{font-size:2rem}h2{font-size:1.5rem}.fox-container{flex-direction:column;align-items:center}.speech-bubble{margin-left:0;margin-top:20px;max-width:100%}.speech-bubble:after{left:50%;top:0;border:15px solid transparent;border-bottom-color:var(--light-color);border-top:0;margin-left:-15px;margin-top:-15px}.categories{grid-template-columns:1fr}.result-container{flex-direction:column;text-align:center}.result-badge{margin-right:0;margin-bottom:20px}}.share-section{margin:30px 0;text-align:center}.share-section h3{color:var(--primary-color);margin-bottom:15px}.share-buttons{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.share-btn{background-color:var(--light-color);border:2px solid var(--secondary-color);border-radius:var(--border-radius);padding:10px 15px;font-family:var(--font-family);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:5px}.share-btn:hover{transform:translateY(-2px);box-shadow:0 4px 8px var(--shadow-color)}.share-btn.twitter:hover{background-color:#1da1f2;color:var(--light-color);border-color:#1da1f2}.share-btn.facebook:hover{background-color:#1877f2;color:var(--light-color);border-color:#1877f2}.share-btn.whatsapp:hover{background-color:#25d366;color:var(--light-color);border-color:#25d366}.share-btn.linkedin:hover{background-color:#0077b5;color:var(--light-color);border-color:#0077b5}@media (max-width: 768px){.share-buttons{flex-direction:column;align-items:center}.share-btn{width:200px;justify-content:center}}