: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;min-width:320px;min-height:100vh;overscroll-behavior:none;-webkit-overflow-scrolling:auto}html{overscroll-behavior:none}.flashcard-container{touch-action:none!important;-webkit-user-select:none!important;user-select:none!important}@keyframes floatUpFade{0%{transform:translateY(0) scale(1);opacity:1}50%{transform:translateY(-75px) scale(1.1);opacity:.8}to{transform:translateY(-150px) scale(.8);opacity:0}}@keyframes floatDownFade{0%{transform:translateY(0) scale(1);opacity:1}50%{transform:translateY(75px) scale(1.1);opacity:.8}to{transform:translateY(150px) scale(.8);opacity:0}}.feedback-indicator,.navigation-indicator-up{animation:floatUpFade 1s ease-out forwards}.navigation-indicator-down{animation:floatDownFade 1s ease-out forwards}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}}