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h1{font-size:2.5rem;font-weight:800;color:#2d3748;margin-bottom:.5rem;background:linear-gradient(90deg,#6b73ff,#000dff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.selection-header p{font-size:1.1rem;color:#4a5568;max-width:600px;margin:0 auto}.quiz-form{background-color:#fff;border-radius:20px;padding:2.5rem;box-shadow:0 15px 30px #0000001a;width:100%;max-width:700px;position:relative;z-index:1;overflow:hidden}.quiz-form:before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:linear-gradient(90deg,#6b73ff,#000dff)}.form-section{margin-bottom:2rem;animation:floatIn .5s ease-out forwards;opacity:0;position:relative;z-index:1}.form-section.z-index-raised{z-index:1000}@keyframes floatIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.section-title{font-size:1.2rem;font-weight:600;color:#005eff;margin-bottom:1rem;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-5px;left:0;width:40px;height:3px;background:linear-gradient(90deg,#6b73ff,#000dff);border-radius:3px}.input-group{margin-bottom:1.5rem;position:relative;z-index:2}.input-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#4a5568;display:flex;align-items:center}.icon{margin-right:.5rem;font-size:1.1rem;color:#6b73ff}.search-container{position:relative;z-index:3}.search-input{width:100%;padding:1rem;border:2px solid #e2e8f0;border-radius:12px;font-size:1rem;transition:all .3s ease;background-color:#f8fafc}.search-input.empty{border-color:#e2e8f0}.search-input:focus{outline:none;border-color:#6b73ff;box-shadow:0 0 0 3px #6b73ff33;background-color:#fff}.selected-language-tag{position:absolute;top:50%;right:1rem;transform:translateY(-50%);background-color:#6b73ff;color:#fff;padding:.3rem .8rem;border-radius:20px;font-size:.9rem;font-weight:500;display:flex;align-items:center;gap:.3rem}.clear-language{background:none;border:none;color:#fff;font-size:1rem;cursor:pointer;padding:0;line-height:1;display:flex;align-items:center;justify-content:center}.clear-language:hover{opacity:.8}.language-popup{position:absolute;top:100%;left:0;right:0;max-height:300px;overflow-y:auto;background-color:#fff;border-radius:12px;box-shadow:0 10px 25px #0000001a;z-index:1000;margin-top:.5rem;border:1px solid #e2e8f0}.language-option{padding:.8rem 1rem;cursor:pointer;transition:all .2s ease;color:#4a5568}.language-option:hover{background-color:#f8fafc;color:#6b73ff}.no-results{padding:1rem;text-align:center;color:#718096;font-style:italic}select{width:100%;padding:1rem;border:2px solid #e2e8f0;border-radius:12px;font-size:1rem;appearance:none;background-color:#f8fafc;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 1rem center;background-size:1em}select.empty{color:#a0aec0}select:focus{outline:none;border-color:#6b73ff;box-shadow:0 0 0 3px #6b73ff33;background-color:#fff}.toggle-group{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.toggle-group input[type=radio]{position:absolute;opacity:0}.toggle-option{display:flex;flex-direction:column;padding:1.5rem;border:2px solid #e2e8f0;border-radius:12px;cursor:pointer;transition:all .3s ease;background-color:#f8fafc;position:relative;z-index:1}.toggle-group input[type=radio]:checked+.toggle-option{border-color:#6b73ff;background-color:#6b73ff0d;box-shadow:0 0 0 3px #6b73ff1a}.toggle-option:hover{border-color:#c3d0e9}.toggle-icon{font-size:1.5rem;margin-bottom:.5rem}.toggle-option span:not(.toggle-icon){font-weight:600;color:#2d3748}.toggle-description{font-size:.9rem;color:#718096;margin-top:.3rem;font-weight:400}textarea{width:100%;min-height:100px;padding:1rem;border:2px solid #e2e8f0;border-radius:12px;font-size:1rem;resize:vertical;background-color:#f8fafc;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}textarea.empty{border-color:#e2e8f0}textarea:focus{outline:none;border-color:#6b73ff;box-shadow:0 0 0 3px #6b73ff33;background-color:#fff}.prompt-examples{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem;align-items:center;font-size:.9rem;color:#718096}.prompt-examples button{background:none;border:none;color:#6b73ff;font-size:.85rem;cursor:pointer;padding:.2rem .5rem;border-radius:4px;transition:all .2s ease}.prompt-examples button:hover{background-color:#6b73ff1a}.submit-button{width:100%;padding:1rem;border:none;border-radius:12px;background:linear-gradient(90deg,#6b73ff,#000dff);color:#fff;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.5rem;margin-top:1rem;position:relative;overflow:hidden;z-index:1}.submit-button:hover{transform:translateY(-2px);box-shadow:0 5px 15px #6b73ff66}.submit-button:active{transform:translateY(0)}.submit-button.loading{cursor:not-allowed;opacity:.9}.button-arrow{transition:all .3s ease}.submit-button:hover .button-arrow{transform:translate(3px)}.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.shake-animation{animation:shake .5s}@media (max-width: 768px){.quiz-selection-page{padding:1.5rem}.selection-header h1{font-size:2rem}.selection-header p{font-size:1rem}.quiz-form{padding:1.5rem}.toggle-group{grid-template-columns:1fr}}@media (max-width: 480px){.quiz-selection-page{padding:1rem}.selection-header h1{font-size:1.8rem}.quiz-form{padding:1rem;border-radius:16px}.submit-button{padding:.8rem;font-size:1rem}}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#f8f9fa;color:#333}.loading-screen{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-align:center}.loading-container{max-width:500px;padding:2rem}.loading-spinner{display:flex;justify-content:center;margin-bottom:2rem;gap:1rem}.spinner-circle{width:20px;height:20px;border-radius:50%;background-color:#fff;animation:bounce 1.5s infinite 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#0000001a;max-width:500px;width:90%}.error-icon,.empty-icon{width:80px;height:80px;margin:0 auto 1.5rem;background-color:#ffebee;border-radius:50%;display:flex;align-items:center;justify-content:center}.error-icon svg,.empty-icon svg{width:40px;height:40px;fill:#f44336}.empty-icon svg{fill:#ff9800}.error-title,.empty-title{font-size:1.8rem;font-weight:700;color:#333;margin-bottom:1rem}.error-message,.empty-message{font-size:1.1rem;color:#555;margin-bottom:2rem;line-height:1.6}.error-button,.empty-button{background-color:#4a6bff;color:#fff;border:none;padding:.8rem 2rem;font-size:1rem;font-weight:600;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #4a6bff4d}.error-button:hover,.empty-button:hover{background-color:#3a5bef;transform:translateY(-2px);box-shadow:0 6px 20px #4a6bff66}.quiz-screen{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#6b73ff,#000dff);padding:2rem}.quiz-container{background-color:#fff;border-radius:20px;box-shadow:0 15px 40px #00000026;width:100%;max-width:800px;padding:2.5rem;position:relative;overflow:hidden}.quiz-container:before{content:"";position:absolute;top:0;left:0;right:0;height:8px;background:linear-gradient(90deg,#6b73ff,#000dff)}.quiz-header{font-size:1.5rem;font-weight:700;color:#333;margin-bottom:2rem;text-align:center;position:relative}.quiz-header:after{content:"";display:block;width:60px;height:4px;background:linear-gradient(90deg,#6b73ff,#000dff);margin:.5rem auto 0;border-radius:2px}.question-card{background-color:#f8f9ff;border-radius:16px;padding:2rem;margin-bottom:2rem;border:1px solid #e0e4ff;position:relative;transition:all .3s ease}.question-card:hover{box-shadow:0 10px 25px #6b73ff26}.question-counter{font-size:.9rem;color:#6b73ff;font-weight:600;margin-bottom:.5rem}.question-text{font-size:1.4rem;font-weight:600;color:#333;margin-bottom:2rem;line-height:1.5}.options-list{list-style:none;padding:0;margin:0}.options-list li{background-color:#fff;border:2px solid #e0e4ff;border-radius:12px;padding:1.2rem 1.5rem;margin-bottom:1rem;font-size:1.1rem;cursor:pointer;transition:all .2s ease;position:relative;overflow:hidden}.options-list li:hover{border-color:#b7bdf7;transform:translateY(-2px);box-shadow:0 5px 15px #6b73ff1a}.options-list li.selected{background-color:#f0f2ff;border-color:#6b73ff;color:#6b73ff;font-weight:600}.options-list li.correct{background-color:#e6ffed;border-color:#4caf50;color:#2e7d32;font-weight:600}.options-list li.incorrect{background-color:#ffebee;border-color:#f44336;color:#c62828}.feedback{padding:1.2rem;border-radius:12px;margin-top:1.5rem;font-weight:600;font-size:1.2rem;text-align:center;position:relative;overflow:hidden}.correct-feedback{background-color:#e6ffed;color:#2e7d32}.incorrect-feedback{background-color:#ffebee;color:#c62828}.correct-answer{font-size:1rem;margin-top:.5rem;font-weight:400}.correct-answer span{font-weight:600}.confetti{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.confetti-piece{position:absolute;width:10px;height:10px;background-color:#f44336;opacity:0}@keyframes confetti{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(500px) rotate(360deg);opacity:0}}.navigation{display:flex;justify-content:center}.next-button{background:linear-gradient(90deg,#6b73ff,#000dff);color:#fff;border:none;padding:1rem 2.5rem;font-size:1.1rem;font-weight:600;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 5px 20px #6b73ff66;display:flex;align-items:center;gap:.5rem}.next-button:hover{transform:translateY(-3px);box-shadow:0 8px 25px #6b73ff80}.next-button:active{transform:translateY(1px)}.next-button.disabled{background:#e0e0e0;color:#9e9e9e;cursor:not-allowed;box-shadow:none;transform:none!important}.trophy{font-size:1.2rem;animation:bounce 1s infinite alternate}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-5px)}}.error-message{color:#f44336;text-align:center;margin-bottom:1.5rem;font-weight:500;animation:shake .5s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.results-screen{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#6b73ff,#000dff);padding:2rem}.results-container{background-color:#fff;border-radius:20px;box-shadow:0 15px 40px #00000026;width:100%;max-width:800px;padding:2.5rem;position:relative;overflow:hidden}.results-container:before{content:"";position:absolute;top:0;left:0;right:0;height:8px;background:linear-gradient(90deg,#6b73ff,#000dff)}.results-title{font-size:2rem;font-weight:700;color:#333;margin-bottom:1.5rem;text-align:center}.results-score{display:flex;flex-direction:column;align-items:center;margin-bottom:2rem}.score-circle{width:180px;height:180px;position:relative;margin-bottom:1.5rem}.score-circle svg{width:100%;height:100%;transform:rotate(-90deg)}.score-circle-bg{fill:none;stroke:#f0f2ff;stroke-width:8}.score-circle-fill{fill:none;stroke:#6b73ff;stroke-width:8;stroke-linecap:round;stroke-dasharray:283;transition:stroke-dashoffset 1s ease-out}.score-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:2.5rem;font-weight:700;color:#6b73ff}.score-message{font-size:1.5rem;font-weight:600;color:#333;margin-bottom:.5rem}.results-subtitle{font-size:1.5rem;font-weight:600;color:#333;margin-bottom:1.5rem;text-align:center;position:relative}.results-subtitle:after{content:"";display:block;width:60px;height:4px;background:linear-gradient(90deg,#6b73ff,#000dff);margin:.5rem auto 0;border-radius:2px}.results-list{max-height:400px;overflow-y:auto;padding-right:1rem;margin-bottom:2rem}.results-list::-webkit-scrollbar{width:8px}.results-list::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.results-list::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:10px}.results-list::-webkit-scrollbar-thumb:hover{background:#a1a1a1}.result-item{padding:1.5rem;border-radius:12px;margin-bottom:1.5rem;border:1px solid #e0e4ff}.result-item.correct{background-color:#f5fff7;border-color:#c8e6c9}.result-item.incorrect{background-color:#fff5f5;border-color:#ffcdd2}.result-question{font-size:1.2rem;font-weight:600;color:#333;margin-bottom:1rem}.result-options{list-style:none;padding:0;margin:0 0 1rem}.result-options li{padding:.8rem 1rem;margin-bottom:.5rem;border-radius:8px;background-color:#fff;border:1px solid #e0e4ff}.result-options li.correct-option{background-color:#e6ffed;border-color:#4caf50;color:#2e7d32;font-weight:600}.result-options li.incorrect-selected{background-color:#ffebee;border-color:#f44336;color:#c62828;font-weight:600}.correct-badge,.incorrect-badge{font-size:.8rem;margin-left:.5rem;padding:.2rem .5rem;border-radius:4px;font-weight:600}.correct-badge{background-color:#4caf50;color:#fff}.incorrect-badge{background-color:#f44336;color:#fff}.correct-answer-text{font-size:1rem;color:#4caf50;font-weight:600}.results-button{background:linear-gradient(90deg,#6b73ff,#000dff);color:#fff;border:none;padding:1rem 2.5rem;font-size:1.1rem;font-weight:600;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 5px 20px #6b73ff66;display:block;margin:0 auto}.results-button:hover{transform:translateY(-3px);box-shadow:0 8px 25px #6b73ff80}@media (max-width: 768px){.quiz-container,.results-container{padding:1.5rem}.quiz-header,.results-title{font-size:1.5rem}.question-text{font-size:1.2rem}.options-list li{padding:1rem;font-size:1rem}.next-button,.results-button{padding:.8rem 2rem;font-size:1rem}}@media (max-width: 480px){.quiz-container,.results-container{padding:1rem;border-radius:12px}.question-card{padding:1rem}.question-text{font-size:1.1rem;margin-bottom:1.5rem}.options-list li{padding:.8rem}.feedback{padding:1rem;font-size:1rem}.results-score{margin-bottom:1rem}.score-circle{width:140px;height:140px}.score-text{font-size:2rem}.score-message,.results-subtitle{font-size:1.2rem}.result-item{padding:1rem}.result-question{font-size:1.1rem}}