: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}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;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}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--background: #ffffff;--text-primary: #213547;--text-secondary: #4a5568;--primary-color: #646cff;--primary-hover: #535bf2;--button-bg: #f1f5f9;--border-color: #e2e8f0;--card-bg: #ffffff;--success-color: #4caf50;--warning-color: #ff9800;--success-bg: rgba(76, 175, 80, .1);--warning-bg: rgba(255, 152, 0, .1)}@media (prefers-color-scheme: dark){:root{--background: #242424;--text-primary: rgba(255, 255, 255, .87);--text-secondary: rgba(255, 255, 255, .6);--primary-color: #646cff;--primary-hover: #535bf2;--button-bg: #1a1a1a;--border-color: #646cff;--card-bg: #1a1a1a;--success-color: #4caf50;--warning-color: #ff9800;--success-bg: rgba(76, 175, 80, .1);--warning-bg: rgba(255, 152, 0, .1)}}body{background-color:var(--background);color:var(--text-primary)}.answer-button{padding:1.2rem 1rem;font-size:1rem;min-height:3.5rem;display:flex;align-items:center;justify-content:center;text-align:center;word-wrap:break-word;white-space:pre-wrap;line-height:1.3;background-color:var(--button-bg);border:1px solid var(--button-border);color:var(--button-text);border-radius:8px;cursor:pointer;transition:all .25s}.answer-button:hover{background-color:var(--button-hover);border-color:var(--primary-color)}.score-section{text-align:center;background-color:var(--card-bg);padding:2rem;border-radius:12px;border:1px solid var(--border-color);max-width:500px;margin:0 auto}.score-section h2{color:var(--primary-color);margin-bottom:1.5rem;font-size:1.8rem}.score-section p{font-size:1.2rem;margin:1rem 0;color:var(--text-primary)}.level-text{font-size:1.4rem!important;color:var(--primary-color)!important;margin:1.5rem 0!important;font-weight:700;padding:1rem;border:2px solid var(--primary-color);border-radius:8px;background-color:var(--button-bg)}.score-section .button-group{display:flex;gap:1rem;justify-content:center;margin-top:2rem}.score-section button{margin:0;padding:1rem 1.5rem;font-size:1rem;border:1px solid var(--primary-color);border-radius:8px;cursor:pointer;transition:all .25s ease;min-width:180px}.score-section button:first-child{background-color:var(--primary-color);color:#fff}.score-section button:last-child{background-color:var(--button-bg);color:var(--text-primary);border:1px solid var(--primary-color)}.score-section button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #646cff33}.nav-button{padding:.8rem 1.5rem;font-size:1rem;background-color:var(--button-bg);border:1px solid var(--button-border);color:var(--button-text);border-radius:8px;cursor:pointer;transition:all .25s}.nav-button:disabled{opacity:.5;cursor:not-allowed}.nav-button:hover:not(:disabled){background-color:var(--button-hover);border-color:var(--primary-hover)}.nav-button.finish{background-color:var(--primary-color);color:#fff}.nav-button.finish:hover{background-color:var(--primary-hover)}.answer-button.selected{background-color:var(--selected-button-bg);color:var(--selected-button-text);border-color:var(--primary-hover)}.answer-review{background-color:var(--card-bg);border:1px solid var(--border-color)}.correct-answer{color:var(--success-color);background-color:var(--success-bg)}.your-answer{color:var(--warning-color);background-color:var(--warning-bg)}.theme-toggle{position:fixed;top:1rem;right:1rem;padding:.5rem;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background-color:var(--button-bg);border:1px solid var(--border-color);cursor:pointer;transition:all .25s ease}.theme-toggle:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}[data-theme=light]{--background: #ffffff;--text-primary: #213547;--text-secondary: #4a5568;--button-bg: #ffffff;--button-hover: #f8fafc;--button-text: #213547;--button-border: #646cff;--card-bg: #ffffff;--selected-button-bg: #646cff;--selected-button-text: white;--border-color: #e2e8f0;--success-color: #2e7d32;--warning-color: #ed6c02;--success-bg: rgba(46, 125, 50, .1);--warning-bg: rgba(237, 108, 2, .1)}[data-theme=dark]{--background: #242424;--text-primary: rgba(255, 255, 255, .87);--text-secondary: rgba(255, 255, 255, .6);--button-bg: #1a1a1a;--button-hover: #2a2a2a;--button-text: rgba(255, 255, 255, .87);--button-border: #646cff;--card-bg: #1a1a1a;--selected-button-bg: #646cff;--selected-button-text: white;--border-color: #646cff;--success-color: #4caf50;--warning-color: #ff9800;--success-bg: rgba(76, 175, 80, .1);--warning-bg: rgba(255, 152, 0, .1)}#root{max-width:1280px;margin:0 auto;padding:1rem;text-align:center}.quiz-container{max-width:600px;margin:0 auto;padding:10px;width:100%}.question-section{margin-bottom:1.5rem;padding:0 .5rem}.question-section h2{font-size:1.2rem;margin-bottom:1rem;color:#646cff}.question-section p{font-size:1rem;line-height:1.5;word-wrap:break-word}.answer-section{display:flex;flex-direction:column;gap:1rem}.question-image{max-width:100%;height:auto;margin:1rem 0;border-radius:8px;box-shadow:0 2px 8px #0003}.navigation-buttons{display:flex;justify-content:space-between;margin-top:2rem;gap:1rem}.answers-section{max-width:800px;margin:0 auto;padding:20px;color:var(--text-primary)}.answers-section h2{color:var(--primary-color);font-size:1.8rem;margin-bottom:2rem;text-align:center}.answer-review{margin-bottom:2rem;padding:1.5rem;border:1px solid var(--border-color);border-radius:12px;text-align:left;background-color:var(--card-bg);box-shadow:0 4px 12px #0000001a}.answer-review h3{color:var(--primary-color);margin-bottom:1rem;font-size:1.3rem;border-bottom:1px solid var(--border-color);padding-bottom:.5rem}.answer-review p{margin:1rem 0;font-size:1.1rem;line-height:1.5;color:var(--text-primary)}.correct-answer{color:var(--success-color);font-weight:700;margin:1rem 0;padding:.8rem;background-color:var(--success-bg);border-radius:6px;border-left:4px solid var(--success-color)}.your-answer{color:var(--warning-color);margin:1rem 0;padding:.8rem;background-color:var(--warning-bg);border-radius:6px;border-left:4px solid var(--warning-color)}.answers-section .button-group{display:flex;gap:1rem;justify-content:center;margin-top:2rem}.answers-section button{margin:0;padding:1rem 1.5rem;font-size:1rem;border:1px solid transparent;border-radius:8px;cursor:pointer;transition:all .25s ease;min-width:180px}.answers-section button:first-child{background-color:#646cff;color:#fff}.answers-section button:last-child{background-color:#646cff;color:#fff}.answers-section button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #646cff33}@media screen and (max-width: 768px){#root{padding:.5rem}.quiz-container{padding:5px}.navigation-buttons{flex-direction:column}.nav-button{width:100%;padding:1rem}.score-section{margin:0 .5rem;padding:1.5rem 1rem}.score-section h2{font-size:1.5rem}.score-section p{font-size:1.1rem}.level-text{font-size:1.2rem!important;padding:.8rem}.score-section .button-group{flex-direction:column}.score-section button{width:100%;min-width:unset}.answers-section{padding:.5rem}.answers-section h2{font-size:1.5rem}.answer-review{padding:1rem;margin:.8rem .5rem}.answer-review p{font-size:1rem}.correct-answer,.your-answer{padding:.6rem;font-size:.95rem}}@media screen and (max-width: 480px){.question-section h2{font-size:1.1rem}.answer-button{padding:1rem .8rem;font-size:.95rem}.question-image{margin:.8rem 0}.score-section h2{font-size:1.3rem}.level-text{font-size:1.1rem!important;padding:.6rem}}.question-image{max-width:100%;height:auto;object-fit:contain;max-height:300px}button{-webkit-tap-highlight-color:transparent;touch-action:manipulation;min-height:44px}button{user-select:none;-webkit-user-select:none}*{-webkit-overflow-scrolling:touch}