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#facc15;--subheading-color: #60a5fa;--item-bg: #2a2a2a;--hover-danger: #f87171;--btn-bg: #4f46e5;--btn-hover: #3730a3;--btn-disabled: #555}}.quiz-create{max-width:800px;margin:0 auto;padding:2rem;background-color:var(--quiz-bg);border-radius:8px;color:var(--text-color)}.quiz-create h1{font-size:1.8rem;margin-bottom:1rem;color:var(--heading-color)}.quiz-create form{display:flex;flex-direction:column;gap:1rem}.quiz-create form input,.quiz-create form textarea,.quiz-create form select{padding:.6rem;border-radius:4px;border:1px solid var(--form-border);background-color:var(--form-bg);color:var(--form-text);font-size:1rem}.quiz-create form input:focus,.quiz-create form textarea:focus,.quiz-create form select:focus{outline:none;border-color:var(--btn-bg)}.quiz-create form textarea{resize:vertical;min-height:100px}.quiz-create form h2{margin-top:2rem;font-size:1.4rem;color:var(--subheading-color)}.quiz-create form .answer-group{display:flex;align-items:center;gap:.5rem}.quiz-create form .answer-group label{display:flex;align-items:center;gap:.25rem;font-size:.9rem}.quiz-create form .question-list{margin-top:1rem;list-style:none;padding-left:0}.quiz-create form .question-list li{background-color:var(--item-bg);padding:.75rem;border-radius:6px;margin-bottom:.5rem;display:flex;justify-content:space-between;align-items:center}.quiz-create form .question-list li button{background:none;border:none;color:var(--form-text);font-size:1.1rem;cursor:pointer}.quiz-create form .question-list li button:hover{color:var(--hover-danger)}.quiz-create form button{padding:.6rem 1.2rem;background-color:var(--btn-bg);color:#fff;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:background-color .3s}.quiz-create form button:hover{background-color:var(--btn-hover)}.quiz-create form button[disabled]{background-color:var(--btn-disabled);cursor:not-allowed}:root{--color-comments-bg: #f9fafb;--color-text: #111827;--color-muted: #4b5563;--color-border: #d1d5db;--color-input-bg: #fff;--color-input-text: #111827;--color-select-bg: #fff;--color-select-text: #111827;--color-button-bg: #4f46e5;--color-button-hover: #3730a3;--color-highlight: #2563eb}@media (prefers-color-scheme: dark){:root{--color-comments-bg: #1e1e1e;--color-text: #fff;--color-muted: #ccc;--color-border: #444;--color-input-bg: #2c2c2c;--color-input-text: #fff;--color-select-bg: #2a2a2a;--color-select-text: #fff;--color-button-bg: #4f46e5;--color-button-hover: #3730a3;--color-highlight: #90cdf4}}.quiz-comments{margin-top:2rem;padding:1.5rem;background-color:var(--color-comments-bg);border-radius:8px;color:var(--color-text)}.quiz-comments h3{font-size:1.3rem;margin-bottom:1rem}.quiz-comments textarea{width:100%;min-height:80px;padding:.75rem;border-radius:6px;border:1px solid var(--color-border);background-color:var(--color-input-bg);color:var(--color-input-text);resize:vertical;margin-bottom:.75rem;font-family:inherit;font-size:1rem}.quiz-comments textarea:focus{border-color:var(--color-button-bg);outline:none}.quiz-comments label{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;font-weight:500}.quiz-comments label select{padding:.4rem;border-radius:4px;border:1px solid var(--color-border);background-color:var(--color-select-bg);color:var(--color-select-text)}.quiz-comments button{background-color:var(--color-button-bg);color:#fff;padding:.5rem 1rem;border-radius:6px;border:none;cursor:pointer;transition:background-color .3s}.quiz-comments button:hover{background-color:var(--color-button-hover)}.quiz-comments ul{margin-top:1rem;list-style:none;padding-left:0}.quiz-comments ul li{background-color:var(--color-input-bg);padding:.75rem;margin-bottom:.5rem;border-radius:6px}.quiz-comments ul li strong{color:var(--color-highlight)}.quiz-comments ul li span{color:var(--color-muted)}:root{--leaderboard-bg: #f9fafb;--leaderboard-text: #111827;--leaderboard-heading: #ca8a04;--leaderboard-border: #ddd;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32}@media (prefers-color-scheme: dark){:root{--leaderboard-bg: #1e1e1e;--leaderboard-text: #fff;--leaderboard-heading: #fbbf24;--leaderboard-border: #333}}.leaderboard{margin-top:2rem;padding:1.5rem;background-color:var(--leaderboard-bg);border-radius:8px;color:var(--leaderboard-text)}.leaderboard h2{font-size:1.5rem;margin-bottom:1rem;color:var(--leaderboard-heading)}.leaderboard ol{padding-left:1.5rem;margin:0}.leaderboard ol li{font-size:1.1rem;padding:.5rem 0;border-bottom:1px solid var(--leaderboard-border)}.leaderboard ol li:nth-child(1){color:var(--gold);font-weight:700}.leaderboard ol li:nth-child(2){color:var(--silver);font-weight:700}.leaderboard ol li:nth-child(3){color:var(--bronze);font-weight:700}:root{--bg: #ffffff;--text: #111111;--text-muted: #444;--accent: #4f46e5;--accent-hover: #3730a3;--answer-bg: #e5e7eb;--answer-hover: #d1d5db;--timer-color: #b45309;--result-green: #16a34a;--certificate: #10b981;--certificate-hover: #059669;--share-bg: #cbd5e1;--share-hover: #94a3b8}@media (prefers-color-scheme: dark){:root{--bg: #121212;--text: #f1f1f1;--text-muted: #ccc;--accent: #4f46e5;--accent-hover: #3730a3;--answer-bg: #2a2a2a;--answer-hover: #3b3b3b;--timer-color: #facc15;--result-green: #4ade80;--certificate: #10b981;--certificate-hover: #059669;--share-bg: #334155;--share-hover: #1e293b}}.quiz-engine{max-width:800px;margin:0 auto;padding:2rem;color:var(--text)}.quiz-engine h1{text-align:center;font-size:2rem;font-weight:700;margin-bottom:1rem}.quiz-engine h3{font-size:1.2rem;font-weight:600;margin-bottom:.5rem}.quiz-engine p{font-size:1rem;margin-bottom:1rem}.quiz-engine .timer{text-align:center;font-size:1rem;color:var(--timer-color);margin-bottom:1rem}.quiz-engine ul{list-style:none;padding:0;margin-top:1rem}.quiz-engine ul li{margin-bottom:.5rem}.quiz-engine ul li button,.quiz-engine ul li label{width:100%;padding:.75rem 1rem;border:none;border-radius:6px;font-size:1rem;background-color:var(--answer-bg);color:var(--text);cursor:pointer;transition:background-color .3s}.quiz-engine ul li button:hover:not(:disabled),.quiz-engine ul li label:hover:not(:disabled){background-color:var(--answer-hover)}.quiz-engine ul li label{display:flex;align-items:center;gap:.5rem}.quiz-engine ul li input[type=checkbox]{accent-color:var(--accent)}.quiz-engine .btn-submit,.quiz-engine .btn-open{margin-top:1rem;padding:.6rem 1.2rem;font-size:1rem;background-color:var(--accent);color:#fff;border:none;border-radius:6px;cursor:pointer}.quiz-engine .btn-submit:hover,.quiz-engine .btn-open:hover{background-color:var(--accent-hover)}.quiz-engine .btn-submit:disabled,.quiz-engine .btn-open:disabled{background-color:#999;cursor:not-allowed}.quiz-engine input[type=text]{width:100%;padding:.6rem;border-radius:4px;border:1px solid var(--text-muted);background-color:var(--answer-bg);color:var(--text);margin-bottom:1rem}.quiz-engine input[type=text]:focus{outline:none;border-color:var(--accent)}.quiz-engine .result-section{text-align:center;padding:2rem}.quiz-engine .result-section h2{font-size:1.6rem;margin-bottom:.5rem;color:var(--result-green)}.quiz-engine .result-section p{font-size:1rem;color:var(--text-muted)}.quiz-engine .result-section .certificate{margin-top:1rem}.quiz-engine .result-section .certificate button{background-color:var(--certificate)}.quiz-engine .result-section .certificate button:hover{background-color:var(--certificate-hover)}.quiz-engine .result-section .certificate p{color:#dc143c;margin-top:1rem}.quiz-engine .result-section .share{margin-top:2rem;display:flex;flex-direction:column;align-items:center}.quiz-engine .result-section .share button,.quiz-engine .result-section .share a{margin:.5rem 0;padding:.5rem 1rem;background-color:var(--share-bg);color:var(--text);border-radius:4px;text-decoration:none}.quiz-engine .result-section .share button:hover,.quiz-engine .result-section .share a:hover{background-color:var(--share-hover)}:root{--text: #111;--text-muted: #555;--highlight: #d97706;--list-bg: #f3f4f6;--list-text: #1f2937;--action-bg: #e5e7eb;--action-hover: #d1d5db;--action-delete: #dc2626;--action-delete-hover: #b91c1c;--link-color: #2563eb}@media (prefers-color-scheme: dark){:root{--text: #fff;--text-muted: #ccc;--highlight: #facc15;--list-bg: #1e1e1e;--list-text: #93c5fd;--action-bg: #334155;--action-hover: #1e293b;--action-delete: #dc2626;--action-delete-hover: #b91c1c;--link-color: #93c5fd}}.quiz-list{max-width:900px;margin:0 auto;padding:2rem;color:var(--text)}.quiz-list h1{font-size:1.8rem;margin-bottom:1.5rem;color:var(--highlight)}.quiz-list p{font-size:1rem;color:var(--text-muted);margin-bottom:1rem}.quiz-list ul{list-style:none;padding-left:0}.quiz-list ul li{background-color:var(--list-bg);padding:1rem;margin-bottom:1rem;border-radius:8px;box-shadow:0 1px 4px #0000001a}.quiz-list ul li strong{font-size:1.1rem;color:var(--list-text)}.quiz-list ul li .quiz-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.quiz-list ul li .quiz-actions a,.quiz-list ul li .quiz-actions button{background-color:var(--action-bg);color:var(--text);border:none;padding:.4rem .75rem;border-radius:4px;cursor:pointer;font-size:.9rem;text-decoration:none;transition:background-color .3s}.quiz-list ul li .quiz-actions a:hover,.quiz-list ul li .quiz-actions button:hover{background-color:var(--action-hover)}.quiz-list ul li .quiz-actions button.delete{background-color:var(--action-delete)}.quiz-list ul li .quiz-actions button.delete:hover{background-color:var(--action-delete-hover)}:root{--quiz-bg: #f9fafb;--text-color: #111827;--form-bg: #fff;--form-border: #ccc;--form-text: #111827;--heading-color: #ca8a04;--subheading-color: #3b82f6;--item-bg: #e5e7eb;--hover-danger: #ef4444;--btn-bg: #4f46e5;--btn-hover: #3730a3;--btn-alt: #334155;--btn-alt-hover: #1e293b}@media (prefers-color-scheme: dark){:root{--quiz-bg: #1f1f1f;--text-color: #fff;--form-bg: #2a2a2a;--form-border: #444;--form-text: #fff;--heading-color: #facc15;--subheading-color: #60a5fa;--item-bg: #2a2a2a;--hover-danger: #f87171;--btn-bg: #4f46e5;--btn-hover: #3730a3;--btn-alt: #334155;--btn-alt-hover: #1e293b}}.quiz-edit{max-width:800px;margin:0 auto;padding:2rem;background-color:var(--quiz-bg);border-radius:8px;color:var(--text-color)}.quiz-edit h1{font-size:1.8rem;margin-bottom:1rem;color:var(--heading-color)}.quiz-edit form{display:flex;flex-direction:column;gap:1rem}.quiz-edit form input,.quiz-edit form textarea,.quiz-edit form select{padding:.6rem;border-radius:4px;border:1px solid var(--form-border);background-color:var(--form-bg);color:var(--form-text);font-size:1rem}.quiz-edit form input:focus,.quiz-edit form textarea:focus,.quiz-edit form select:focus{outline:none;border-color:var(--btn-bg)}.quiz-edit form textarea{resize:vertical;min-height:100px}.quiz-edit form ul{list-style:none;padding:0;margin:.5rem 0}.quiz-edit form ul li{background-color:var(--item-bg);padding:.75rem;border-radius:6px;margin-bottom:.5rem;display:flex;justify-content:space-between;align-items:center}.quiz-edit form ul li button{background:none;border:none;color:var(--form-text);font-size:1.1rem;cursor:pointer}.quiz-edit form ul li button:hover{color:var(--hover-danger)}.quiz-edit form h3{margin-top:2rem;font-size:1.3rem;color:var(--subheading-color)}.quiz-edit form .question-inputs{display:flex;flex-direction:column;gap:.5rem}.quiz-edit form .question-inputs input[type=text]{flex:1}.quiz-edit form .question-inputs label{font-size:.9rem;display:flex;align-items:center;gap:.5rem}.quiz-edit form button{padding:.6rem 1.2rem;background-color:var(--btn-bg);color:#fff;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:background-color .3s}.quiz-edit form button:hover{background-color:var(--btn-hover)}.quiz-edit form button[type=button]{background-color:var(--btn-alt)}.quiz-edit form button[type=button]:hover{background-color:var(--btn-alt-hover)}:root{--color-title: #1d4ed8;--color-input-bg: #f9fafb;--color-input-text: #111827;--color-input-border: #cbd5e1;--color-box-bg: #f3f4f6;--color-box-text: #1f2937;--color-border: #e5e7eb;--color-button-bg: #4f46e5;--color-button-hover: #3730a3;--color-muted: #6b7280}@media (prefers-color-scheme: dark){:root{--color-title: #60a5fa;--color-input-bg: #2a2a2a;--color-input-text: #fff;--color-input-border: #444;--color-box-bg: #1f1f1f;--color-box-text: #fff;--color-border: #333;--color-button-bg: #4f46e5;--color-button-hover: #3730a3;--color-muted: #ccc}}.quiz-random{max-width:800px;margin:0 auto;padding:2rem;color:var(--color-box-text)}.quiz-random h1{font-size:1.8rem;margin-bottom:1.5rem;color:var(--color-title)}.quiz-random .filters{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}.quiz-random .filters input,.quiz-random .filters select{padding:.5rem;border-radius:4px;border:1px solid var(--color-input-border);background-color:var(--color-input-bg);color:var(--color-input-text);font-size:1rem}.quiz-random .filters input:focus,.quiz-random .filters select:focus{border-color:var(--color-button-bg);outline:none}.quiz-random .filters button{padding:.5rem 1rem;background-color:var(--color-button-bg);color:#fff;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:background-color .3s}.quiz-random .filters button:hover{background-color:var(--color-button-hover)}.quiz-random p{font-size:1rem;margin-top:1rem;color:var(--color-muted)}.quiz-random ul{margin-top:1rem;list-style:none;padding-left:0}.quiz-random ul li{background-color:var(--color-box-bg);color:var(--color-box-text);padding:.75rem;margin-bottom:.5rem;border-radius:6px;font-size:1rem;border:1px solid var(--color-border)}.badges{padding:2rem;color:#fff}.badges h2{font-size:1.6rem;margin-bottom:1rem;color:#facc15}.badges ul{list-style:none;padding:0;margin:0}.badges ul li{background-color:#1e1e1e;margin-bottom:.75rem;padding:1rem;border-radius:8px;font-size:1.1rem;display:flex;align-items:center;gap:.75rem;box-shadow:0 2px 6px #0000004d;transition:background-color .3s ease}.badges ul li:first-child{border-left:4px solid #4ade80}.badges ul li:last-child{border-left:4px solid #60a5fa}@media (prefers-color-scheme: light){.badges{color:#111}.badges h2{color:#d97706}.badges ul li{background-color:#f4f4f4;box-shadow:0 2px 4px #0000001a;color:#333}}:root{--duel-bg: #ffffff;--duel-text: #111827;--duel-code-bg: #f3f4f6;--duel-code-color: #ca8a04;--duel-btn-bg: #2563eb;--duel-btn-hover: #1e40af;--duel-result-bg: #f9fafb;--duel-result-highlight: #0284c7}@media (prefers-color-scheme: dark){:root{--duel-bg: #1e1e1e;--duel-text: #ffffff;--duel-code-bg: #2e2e2e;--duel-code-color: #facc15;--duel-btn-bg: #2563eb;--duel-btn-hover: #1e40af;--duel-result-bg: #1f1f1f;--duel-result-highlight: #38bdf8}}.duel-room{padding:2rem;color:var(--duel-text);background-color:var(--duel-bg)}.duel-room h2{font-size:1.6rem;margin-bottom:.5rem}.duel-room h3{font-size:1.2rem;font-weight:700;margin-bottom:1rem}.duel-room p{font-size:1rem;margin-bottom:1rem}.duel-room code{background-color:var(--duel-code-bg);padding:.4rem .8rem;border-radius:6px;display:inline-block;font-family:monospace;font-size:.95rem;color:var(--duel-code-color)}.duel-room .quiz-start{background-color:var(--duel-btn-bg);color:#fff;padding:.6rem 1.2rem;border-radius:6px;font-size:1rem;font-weight:500;border:none;cursor:pointer;transition:background-color .3s ease}.duel-room .quiz-start:hover{background-color:var(--duel-btn-hover)}.duel-room .results{margin-top:1.5rem;background-color:var(--duel-result-bg);padding:1rem;border-radius:8px}.duel-room .results p{margin-bottom:.5rem}.duel-room .results strong{color:var(--duel-result-highlight)}:root{--color-primary: #3b82f6;--color-heading: #1d4ed8;--color-input-bg: #f9fafb;--color-input-text: #111827;--color-input-border: #cbd5e1;--color-result-bg: #f3f4f6;--color-result-border: #e5e7eb;--color-result-text: #1f2937;--color-description: #4b5563;--color-muted: #6b7280;--color-danger: #dc2626}@media (prefers-color-scheme: dark){:root{--color-primary: #3b82f6;--color-heading: #60a5fa;--color-input-bg: #1f1f1f;--color-input-text: #f1f1f1;--color-input-border: #444;--color-result-bg: #111;--color-result-border: #333;--color-result-text: #fff;--color-description: #bbb;--color-muted: #888;--color-danger: #f87171}}.search-quizzes{max-width:800px;margin:0 auto;padding:2rem}.search-quizzes h1{font-size:1.8rem;margin-bottom:1.5rem;color:var(--color-heading)}.search-quizzes input,.search-quizzes select{width:100%;padding:.75rem;margin-bottom:1rem;border:1px solid var(--color-input-border);border-radius:6px;background-color:var(--color-input-bg);color:var(--color-input-text);font-size:1rem}.search-quizzes input:focus,.search-quizzes select:focus{border-color:var(--color-primary);outline:none}.search-quizzes ul{list-style:none;padding:0}.search-quizzes ul li{padding:1rem;border-bottom:1px solid var(--color-result-border);margin-bottom:.5rem;background-color:var(--color-result-bg);border-radius:6px}.search-quizzes ul li a{font-size:1.2rem;color:var(--color-primary);text-decoration:none}.search-quizzes ul li a:hover{text-decoration:underline}.search-quizzes ul li p{margin:.25rem 0;color:var(--color-description)}.search-quizzes ul li .text-xs{font-size:.8rem;color:var(--color-muted)}.search-quizzes ul li button{background:none;border:none;color:var(--color-danger);font-size:.9rem;cursor:pointer}.search-quizzes ul li button:hover{text-decoration:underline}:root{--text-color: #ffffff;--card-bg: #fff;--read-docs: #666;--shadow-color: rgba(100, 108, 255, .6666666667);--react-shadow: rgba(97, 218, 251, .6666666667)}@media (prefers-color-scheme: dark){:root{--text-color: #f1f5f9;--card-bg: #1e1e1e;--read-docs: #aaa;--shadow-color: rgba(138, 180, 248, .6666666667);--react-shadow: rgba(128, 203, 196, .6666666667)}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center;color:var(--text-color);background-color:var(--card-bg)}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em var(--shadow-color))}.logo.react:hover{filter:drop-shadow(0 0 2em var(--react-shadow))}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em;background-color:var(--card-bg);border-radius:8px;box-shadow:0 0 10px #0000001a}.read-the-docs{color:var(--read-docs)}