:root{--text: #6b6375;--text-h: #08060d;--bg: #fff;--border: #e5e4e7;--code-bg: #f4f3ec;--accent: #aa3bff;--accent-bg: rgba(170, 59, 255, .1);--accent-border: rgba(170, 59, 255, .5);--social-bg: rgba(244, 243, 236, .5);--shadow: rgba(0, 0, 0, .1) 0 10px 15px -3px, rgba(0, 0, 0, .05) 0 4px 6px -2px;--sans: system-ui, "Segoe UI", Roboto, sans-serif;--heading: system-ui, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (max-width: 1024px){:root{font-size:16px}}@media (prefers-color-scheme: dark){:root{--text: #9ca3af;--text-h: #f3f4f6;--bg: #16171d;--border: #2e303a;--code-bg: #1f2028;--accent: #c084fc;--accent-bg: rgba(192, 132, 252, .15);--accent-border: rgba(192, 132, 252, .5);--social-bg: rgba(47, 48, 58, .5);--shadow: rgba(0, 0, 0, .4) 0 10px 15px -3px, rgba(0, 0, 0, .25) 0 4px 6px -2px}#social .button-icon{filter:invert(1) brightness(2)}}#root{width:1126px;max-width:100%;margin:0 auto;text-align:center;border-inline:1px solid var(--border);min-height:100svh;display:flex;flex-direction:column;box-sizing:border-box}body{margin:0}h1,h2{font-family:var(--heading);font-weight:500;color:var(--text-h)}h1{font-size:56px;letter-spacing:-1.68px;margin:32px 0}@media (max-width: 1024px){h1{font-size:36px;margin:20px 0}}h2{font-size:24px;line-height:118%;letter-spacing:-.24px;margin:0 0 8px}@media (max-width: 1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);display:inline-flex;border-radius:4px;color:var(--text-h)}code{font-size:15px;line-height:135%;padding:4px 8px;background:var(--code-bg)}.home{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;text-align:center}.home h1{font-size:3rem;margin-bottom:.5rem}.home p{font-size:1.2rem;color:#666;margin-bottom:2rem}.start-button{display:inline-block;padding:1rem 2rem;font-size:1.5rem;background:#4a90e2;color:#fff;text-decoration:none;border-radius:8px;transition:background .2s}.start-button:hover{background:#357abd}.quiz{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:2rem}.quiz h2{font-size:2rem;margin-bottom:2rem}.options{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-bottom:2rem}.option{width:120px;height:120px;font-size:3rem;border:2px solid #ddd;border-radius:12px;background:#fff;cursor:pointer;transition:all .2s}.option:hover:not(:disabled){border-color:#4a90e2;transform:scale(1.05)}.option.correct{background:#4caf50;color:#fff;border-color:#4caf50}.option.wrong{background:#f44336;color:#fff;border-color:#f44336}.next-button{margin-top:1rem;padding:.8rem 2rem;font-size:1.2rem;background:#4a90e2;color:#fff;border:none;border-radius:8px;cursor:pointer}.next-button:hover{background:#357abd}.replay-button{margin-top:1.5rem;padding:.5rem 1rem;font-size:1rem;background:#f5f5f5;border:1px solid #ddd;border-radius:6px;cursor:pointer}.replay-button:disabled{opacity:.6}