:root{font-family: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{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.quiz-selection{padding:2rem}.quiz-selection h1{font-size:2.5rem;margin-bottom:2rem;color:#646cff}.quiz-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;max-width:1000px;margin:0 auto}.quiz-card{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:12px;padding:2rem;cursor:pointer;transition:all .3s ease;color:#fff;text-align:left;box-shadow:0 4px 6px #0000001a}.quiz-card:hover{transform:translateY(-5px);box-shadow:0 8px 12px #0003}.quiz-card-dark{background:linear-gradient(135deg,#0f2027,#203a43,#2c5364)}.quiz-card h2{margin:0 0 .5rem;font-size:1.5rem}.quiz-card p{margin:0;opacity:.9;font-size:.95rem;line-height:1.4}.quiz-header{text-align:center;margin-bottom:2rem;padding:1rem}.quiz-header h2{margin:0;font-size:1.5rem;font-weight:600}.back-button{background-color:transparent;color:#646cff;border:2px solid #646cff;border-radius:8px;padding:.8rem 1.5rem;font-size:1rem;cursor:pointer;margin-bottom:1rem;transition:all .3s ease}.back-button:hover{background-color:#646cff;color:#fff}@media(max-width:768px){#root,.quiz-selection{padding:1rem}.quiz-selection h1{font-size:1.8rem;margin-bottom:1.5rem}.quiz-list{grid-template-columns:1fr;gap:1rem}.quiz-card{padding:1.5rem}.quiz-card h2{font-size:1.2rem}.quiz-card p{font-size:.9rem}.back-button{width:100%;padding:1rem}}@media(max-width:480px){.quiz-selection h1{font-size:1.5rem}.quiz-card{padding:1.2rem}.quiz-card h2{font-size:1.1rem}.quiz-card p{font-size:.85rem}}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@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}.read-the-docs{color:#888}