: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: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}}.gradient-button{--border-width: 1px;--bg-color: #1a1a1a;position:relative;display:inline-block;padding:15px 30px;font-size:18px;color:#fff;background:var(--bg-color);border:none;border-radius:12px;cursor:pointer;z-index:1}.gradient-button:before{content:"";position:absolute;inset:calc(var(--border-width) * -1);z-index:-1;background:conic-gradient(from var(--angle),#1ba085ab,#01a9a1ad,#0254ce97,#f84ad2b5);border-radius:inherit;animation:rotate-gradient 6s linear infinite}.gradient-button:after{content:"";position:absolute;inset:0;background:var(--bg-color);z-index:-1;border-radius:inherit;transition:background .3s}@keyframes rotate-gradient{to{--angle: 360deg}}.gradient-button:hover:after{background:#252525}.ai-button-masked{--border-width: 1px;--animation-speed: 3s;position:relative;padding:12px 30px;font-size:16px;font-weight:500;color:#c7d2fe;background:transparent;border:none;cursor:pointer;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease,color .3s}.ai-button-masked:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:var(--border-width);background:conic-gradient(from var(--angle, 0deg),#6366f1,#a855f7,#ec4899,#6366f1);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:rotate-border var(--animation-speed) linear infinite}@property --angle{syntax: "<angle>"; initial-value: 0deg; inherits: false;}@keyframes rotate-border{to{--angle: 360deg}}.ai-button-masked:hover{color:#fff;transform:scale(1.03);text-shadow:0 0 8px rgba(168,85,247,.5)}.glass-btn{--glass-bg: rgba(255, 255, 255, .1);--glass-border: rgba(255, 255, 255, .2);--shine-color: linear-gradient( 120deg, transparent, rgba(255, 255, 255, .3), transparent );position:relative;padding:14px 32px;background:var(--glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:12px;color:#fff;font-size:16px;font-weight:500;cursor:pointer;overflow:hidden;transition:all .3s ease}.glass-btn:after{content:"";position:absolute;top:0;left:-150%;width:100%;height:100%;background:var(--shine-color);transform:skew(-30deg);transition:.6s}.glass-btn:hover:after{left:150%}.glass-btn:hover{background:#ffffff26;box-shadow:0 8px 32px #0003;border-color:#fff6}.glass-ai-btn{--shine-duration: 7s;position:relative;padding:14px 32px;font-size:16px;color:#fff;background:#ffffff0d;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,.1);border-radius:14px;cursor:pointer;overflow:hidden;transition:all .4s ease;box-shadow:0 4px 15px #0000004d}.glass-ai-btn:after{content:"";position:absolute;top:0;left:-150%;width:80%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),rgba(255,255,255,.4),rgba(255,255,255,.2),transparent);transform:skew(-25deg);animation:periodic-shine var(--shine-duration) infinite linear}@keyframes periodic-shine{0%{left:-150%}28%{left:150%}to{left:150%}}.glass-icon-container{position:relative;display:inline-flex;align-items:center;justify-content:center}.glass-icon-container:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.6) 25%,rgba(255,255,255,.9) 50%,rgba(255,255,255,.6) 75%,transparent 100%);mask:linear-gradient(90deg,transparent,white 50%,transparent);-webkit-mask-size:200% 100%;mask-size:200% 100%;animation:glassShine 2.5s ease-in-out infinite;pointer-events:none;z-index:1;border-radius:8px}@keyframes glassShine{0%{-webkit-mask-position:-200% 0;mask-position:-200% 0}to{-webkit-mask-position:200% 0;mask-position:200% 0}}@keyframes sparkle{0%,to{filter:drop-shadow(0 0 5px #21f2be53);transform:scale(1)}50%{filter:drop-shadow(0 0 15px #21f2bed5) drop-shadow(0 0 25px #21f2be82);transform:scale(1.05)}}.glass-ai-text{font-size:40px;color:#21f2bf;animation:sparkle 2s ease-in-out infinite;display:inline-block}.gap-correct{color:#21f2bf;font-weight:700}.gap-incorrect{color:#d32f2f;text-decoration:line-through}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.glass-ai-btn-witout-anim{position:relative;padding:14px 32px;font-size:16px;color:#fff;background:#ffffff0d;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,.1);border-radius:14px;cursor:pointer;overflow:hidden;transition:all .4s ease;box-shadow:0 4px 15px #0000004d}