:root{font-family:ui-rounded,ui-sans-serif,system-ui;line-height:1.5;font-weight:400;color-scheme:light dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#007aff;text-decoration:inherit}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;color:#fff;background-color:#007aff;cursor:pointer}button:disabled{cursor:default}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}button{background-color:#00000008}}:root{--primary: #000000;--background: #ffffff;--button-background: #00000010;--tint: #007aff;--green: #34c759;--red: #ff3b30}@media(prefers-color-scheme:dark){:root{--primary: #ffffff;--background: #000000;--button-background: #ffffff10}}#root{width:100%;height:100%;max-width:800px;margin:0 auto;text-align:center}.option{padding:14px 16px;margin-bottom:10px;border-radius:12px;border:solid 2px transparent;cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .2s ease-out;background-color:var(--button-background)}.option.selected{color:#fff;background-color:var(--tint)}.option.correct.selected{color:#fff;background-color:var(--green)}.option.correct{color:var(--green);border-color:var(--green)}.option.wrong{color:#fff;background-color:var(--red)}.option.selected:is(:not(.correct),:not(.wrong)){box-shadow:0 4px 12px #2563eb4d}.result-popup{position:sticky;bottom:32px;left:0;margin-block-start:24px;width:calc(100% - 32px);padding:12px 16px;background-color:var(--background);border-radius:12px}.result-title{font-size:1.2em;font-weight:700}.result-title.correct{color:var(--green)}.result-title.wrong{color:var(--red)}button{width:100%}