: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}}body{margin:0;font-family:Segoe UI,sans-serif;background:#f0f2f5;color:#333;display:flex;justify-content:center;align-items:center;min-height:100vh}.app{max-width:600px;margin:40px auto;padding:30px 20px;text-align:center;background:#fff;box-shadow:0 8px 20px #00000014;border-radius:12px;position:relative}h1{margin-bottom:20px;color:#2b3a55}.intensity-selector,.mode-selector{margin:25px 0}.buttons{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}button{padding:10px 18px;border:none;border-radius:8px;background:#4a6fa5;color:#fff;cursor:pointer;font-weight:500;transition:background .2s,transform .1s}button:hover{background:#3d5d85;transform:translateY(-2px)}button.active{background:#2a4b6d}button.selector{background:#5a84c1}button.selector:hover{background:#4a73ae}.language-btn{position:absolute;top:20px;right:20px;background:transparent;border:none;cursor:pointer}.language-btn img{width:50px;border-radius:4px;box-shadow:0 2px 4px #0003}.language-btn button:hover{border:none}.question-card{background:#f9fbfd;padding:25px;border-radius:10px;border:1px solid #e2e8f0;margin:25px 0}.question-card h2{color:#166088;margin-bottom:10px}.level{font-style:italic;color:#888;margin-bottom:8px}.text{font-size:18px;line-height:1.5}.intensity-button{margin-top:20px}.mode-selector button{margin:10px}.age-popup{position:fixed;top:0;left:0;width:100%;height:100vh;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.age-popup-box{background:#fff;padding:30px;border-radius:12px;box-shadow:0 6px 20px #00000040;text-align:center;max-width:300px;width:90%}.age-popup-box h2{margin-bottom:20px;color:#2b3a55}