button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;color:#fff;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}button{background-color:#f9f9f9;color:#213547}}._setup_container_13ynu_1{background:#fffffff2;border-radius:20px;padding:3rem;color:#333;box-shadow:0 20px 40px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}._setup_container_13ynu_1 h1{font-size:3rem;margin-bottom:1rem}._setup_container_13ynu_1 h1 span{margin-left:.5rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}._setup_container_13ynu_1 p{font-size:1.2rem;color:#666;margin-bottom:2rem}._setup_container_13ynu_1 ._setup_section_13ynu_25{margin:2rem 0}._setup_container_13ynu_1 ._setup_section_13ynu_25 h3{font-size:1.5rem;margin-bottom:1rem;color:#333}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._difficulty_options_13ynu_33{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:1rem 0}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._difficulty_options_13ynu_33 ._difficulty_card_13ynu_39{background:#fff;border:2px solid #e0e0e0;border-radius:15px;padding:1.5rem;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 6px #0000001a}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._difficulty_options_13ynu_33 ._difficulty_card_13ynu_39 h4{margin:0 0 .5rem;font-size:1.2rem}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._difficulty_options_13ynu_33 ._difficulty_card_13ynu_39 p{margin:0;font-size:.9rem;opacity:.8}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._difficulty_options_13ynu_33 ._difficulty_card_13ynu_39:hover{transform:translateY(-2px);box-shadow:0 8px 15px #0003}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._difficulty_options_13ynu_33 ._difficulty_card_13ynu_39._selected_13ynu_61{border-color:#667eea;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._difficulty_options_13ynu_33 ._difficulty_card_13ynu_39._selected_13ynu_61 p{color:#fff}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._category_select_13ynu_69{padding:1rem;font-size:1.1rem;border:2px solid #e0e0e0;border-radius:10px;background:#fff;color:#333;cursor:pointer;min-width:200px;outline:none}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86{display:flex;flex-direction:column;gap:1rem;align-items:center}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86 ._timer_toggle_13ynu_92{display:flex;align-items:center;gap:1rem}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86 ._timer_toggle_13ynu_92 ._toggle_switch_13ynu_97{position:relative;display:inline-block;width:60px;height:34px}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86 ._timer_toggle_13ynu_92 ._toggle_switch_13ynu_97 input{opacity:0;width:0;height:0;outline:none}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86 ._timer_toggle_13ynu_92 ._toggle_switch_13ynu_97 input:checked+._slider_13ynu_109{background:linear-gradient(135deg,#667eea,#764ba2)}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86 ._timer_toggle_13ynu_92 ._toggle_switch_13ynu_97 input:checked+._slider_13ynu_109:before{transform:translate(26px)}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86 ._timer_toggle_13ynu_92 ._toggle_switch_13ynu_97 ._slider_13ynu_109{position:absolute;cursor:pointer;inset:0;background-color:#ccc;transition:.4s;border-radius:34px}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86 ._timer_toggle_13ynu_92 ._toggle_switch_13ynu_97 ._slider_13ynu_109:before{position:absolute;content:"";height:26px;width:26px;left:4px;bottom:4px;background-color:#fff;transition:.4s;border-radius:50%}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._timer_settings_13ynu_86 ._timer_toggle_13ynu_92 ._toggle_label_13ynu_137{font-size:1.1rem;font-weight:500;color:#333}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._time_options_13ynu_142{display:flex;flex-direction:column;gap:.5rem;align-items:center}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._time_options_13ynu_142 label{font-weight:500;color:#666}._setup_container_13ynu_1 ._setup_section_13ynu_25 ._time_options_13ynu_142 ._time_select_13ynu_152{padding:.5rem 1rem;font-size:1rem;border:2px solid #e0e0e0;border-radius:8px;background:#fff;color:#333;cursor:pointer;outline:none}._setup_container_13ynu_1 ._start_quiz_btn_13ynu_162{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;font-size:1.2rem;border-radius:50px;cursor:pointer;margin-top:2rem;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}._setup_container_13ynu_1 ._start_quiz_btn_13ynu_162:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea99}@media(max-width:768px){._quiz-setup_13ynu_181,._quiz-question_13ynu_182,._quiz-results_13ynu_183{padding:1.5rem}}._quiz_question_13tu9_1{background:#fffffff2;border-radius:20px;padding:2rem;color:#333;box-shadow:0 20px 40px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:800px;margin:0 auto}._quiz_question_13tu9_1 ._question_header_13tu9_11{margin-bottom:2rem}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._progress_bar_13tu9_14{background:#e0e0e0;height:8px;border-radius:4px;overflow:hidden;margin-bottom:1rem}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._progress_bar_13tu9_14 ._progress_fill_13tu9_21{background:linear-gradient(135deg,#667eea,#764ba2);height:100%;transition:width .3s ease}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._question_info_13tu9_26{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._question_info_13tu9_26 ._question_number_13tu9_33{font-size:1.1rem;font-weight:600;color:#666}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._question_info_13tu9_26 ._question_meta_13tu9_38{display:flex;gap:1rem;align-items:center}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._question_info_13tu9_26 ._question_meta_13tu9_38 ._category_13tu9_43{background:#f0f0f0;padding:.5rem 1rem;border-radius:20px;font-size:.9rem;text-transform:capitalize}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._question_info_13tu9_26 ._question_meta_13tu9_38 ._difficulty_13tu9_50{font-weight:600;font-size:.9rem}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._question_info_13tu9_26 ._question_meta_13tu9_38 ._timer_13tu9_54{display:flex;align-items:center;gap:.5rem;background:#ffffff1a;padding:.5rem 1rem;border-radius:20px;font-weight:600;font-size:1rem;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._question_info_13tu9_26 ._question_meta_13tu9_38 ._timer_icon_13tu9_65{font-size:1.2rem}._quiz_question_13tu9_1 ._question_header_13tu9_11 ._question_info_13tu9_26 ._question_meta_13tu9_38 ._timer_text_13tu9_68{font-family:Courier New,monospace;font-size:1.1rem}._quiz_question_13tu9_1 ._question_content_13tu9_72 h2{font-size:1.8rem;margin-bottom:2rem;color:#333;line-height:1.4}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._options_13tu9_78{display:grid;gap:1rem;margin-bottom:2rem}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._options_13tu9_78 ._option_13tu9_78{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;background:#fff;color:#242424;border:2px solid #e0e0e0;border-radius:15px;cursor:pointer;transition:all .3s ease;text-align:left;font-size:1.1rem;outline:none}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._options_13tu9_78 ._option_13tu9_78:hover{border-color:#667eea;transform:translate(5px)}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._options_13tu9_78 ._option_13tu9_78._selected_13tu9_102{border-color:#667eea;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._options_13tu9_78 ._option_13tu9_78._selected_13tu9_102 ._option_letter_13tu9_107{background:#2d395733;color:#fff}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._options_13tu9_78 ._option_13tu9_78 ._option_letter_13tu9_107{background:#f0f0f0;color:#333;width:2.5rem;height:2.5rem;padding:.4rem 1.3rem .65rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._options_13tu9_78 ._option_13tu9_78 ._option_text_13tu9_124{flex:1}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._next_btn_13tu9_127{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;font-size:1.1rem;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._next_btn_13tu9_127:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #667eea99}._quiz_question_13tu9_1 ._question_content_13tu9_72 ._next_btn_13tu9_127:disabled{opacity:.5;cursor:not-allowed}._quiz_results_3ku6u_2{background:#fffffff2;border-radius:20px;padding:3rem;color:#333;box-shadow:0 20px 40px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);max-width:900px;margin:0 auto}._quiz_results_3ku6u_2 ._results_header_3ku6u_12{text-align:center;margin-bottom:3rem}._quiz_results_3ku6u_2 ._results_header_3ku6u_12 h1{font-size:2.5rem;margin-bottom:2rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}._quiz_results_3ku6u_2 ._results_header_3ku6u_12 ._score_circle_3ku6u_24{width:150px;height:150px;border:8px solid;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:2rem auto;background:#fff}._quiz_results_3ku6u_2 ._results_header_3ku6u_12 ._score_circle_3ku6u_24 ._score_text_3ku6u_36{font-size:2rem;font-weight:700}._quiz_results_3ku6u_2 ._results_header_3ku6u_12 ._score_circle_3ku6u_24 ._percentage_3ku6u_40{font-size:1.2rem;opacity:.8}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44{margin:2rem 0}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 h3{font-size:1.5rem;margin-bottom:1rem;text-align:center}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52{display:grid;gap:1rem;max-height:400px;overflow-y:auto;padding:1rem;background:#f8f9fa;border-radius:15px}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_review_3ku6u_61{background:#fff;padding:1rem;border-radius:10px;border-left:4px solid}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_review_3ku6u_61._correct_3ku6u_67{border-left-color:#4caf50}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_review_3ku6u_61._incorrect_3ku6u_70{border-left-color:#f44336}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_review_3ku6u_61 ._question_review_header_3ku6u_73{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_review_3ku6u_61 ._question_review_header_3ku6u_73 ._question_number_3ku6u_79{font-weight:600;color:#666}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_review_3ku6u_61 ._question_review_header_3ku6u_73 ._result_icon_3ku6u_83{font-size:1.2rem;font-weight:600}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_review_3ku6u_61 ._question_review_header_3ku6u_73 ._result_icon_3ku6u_83._correct_3ku6u_67{color:#4caf50}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_review_3ku6u_61 ._question_review_header_3ku6u_73 ._result_icon_3ku6u_83._incorrect_3ku6u_70{color:#f44336}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._question_text_3ku6u_93{font-weight:600;margin-bottom:.5rem}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._answers_3ku6u_97{font-size:.9rem}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._answers_3ku6u_97 ._user_answer_3ku6u_100,._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._answers_3ku6u_97 ._correct_answer_3ku6u_101{margin:.25rem 0}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._answers_3ku6u_97 ._user_answer_3ku6u_100 ._correct_3ku6u_67,._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._answers_3ku6u_97 ._correct_answer_3ku6u_101 ._correct_3ku6u_67{color:#4caf50;font-weight:600}._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._answers_3ku6u_97 ._user_answer_3ku6u_100 ._incorrect_3ku6u_70,._quiz_results_3ku6u_2 ._results_breakdown_3ku6u_44 ._questions_review_3ku6u_52 ._answers_3ku6u_97 ._correct_answer_3ku6u_101 ._incorrect_3ku6u_70{color:#f44336;font-weight:600}._quiz_results_3ku6u_2 ._results_actions_3ku6u_114{text-align:center;margin-top:2rem}._quiz_results_3ku6u_2 ._results_actions_3ku6u_114 ._restart_btn_3ku6u_118{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:1rem 2rem;font-size:1.2rem;border-radius:50px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}._quiz_results_3ku6u_2 ._results_actions_3ku6u_114 ._restart_btn_3ku6u_118:hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea99}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}#root{max-width:1200px;margin:0 auto;padding:2rem;text-align:center;width:100%}.pointer{cursor:pointer}@media(max-width:768px){#root{padding:1rem}.quiz-setup,.quiz-question,.quiz-results{padding:1.5rem}.quiz-setup h1{font-size:2rem}.difficulty-options{grid-template-columns:1fr}.question-info{flex-direction:column;align-items:flex-start}.question-content h2{font-size:1.4rem}.option{padding:.8rem 1rem;font-size:1rem}.score-circle{width:120px;height:120px}.score-text{font-size:1.5rem}}.question-review.timeout{border-left-color:#ff9800}.result-icon.timeout{color:#ff9800}.timeout{color:#ff9800;font-weight:600}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.timer[style*="color: rgb(244, 67, 54)"]{animation:pulse 1s infinite}@media(max-width:768px){.timer-settings{gap:.8rem}.timer-toggle{flex-direction:column;gap:.5rem;text-align:center}.time-options{gap:.3rem}.timer{padding:.3rem .8rem;font-size:.9rem}.timer-text{font-size:1rem}}