: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}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ffe5b4,#ffcccb,#e0bbe4);padding:20px;position:relative;overflow:hidden}.auth-container:before{content:"🌟✨🎈🎯🌈";position:absolute;top:10%;left:10%;font-size:2rem;opacity:.3;animation:float 6s ease-in-out infinite}.auth-container:after{content:"🎊🎉⭐🎈🌟";position:absolute;bottom:10%;right:10%;font-size:2rem;opacity:.3;animation:float 6s ease-in-out infinite reverse}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(5deg)}}.auth-card{background:#fff;padding:2rem;border-radius:20px;box-shadow:0 15px 35px #ff6b6b33;width:100%;max-width:400px;border:3px 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#0003;text-align:center}.loading{color:#666;font-size:1.2rem;padding:2rem}.question-section{margin-bottom:2rem}.question{display:flex;justify-content:center;align-items:center;gap:1.5rem;margin-bottom:2rem;font-size:4rem;font-weight:700;font-family:Comic Sans MS,Trebuchet MS,Arial,sans-serif;text-shadow:2px 2px 4px rgba(0,0,0,.1);animation:questionPop .5s ease-out}@keyframes questionPop{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.factor{color:#ff6b6b;background:linear-gradient(135deg,#ffe5b4,#ffcccb);padding:.2em .4em;border-radius:15px;border:3px solid #FFB6C1;animation:bounce 2s ease-in-out infinite}.operator,.equals{color:#87ceeb;font-size:1.2em}.answer-placeholder{color:plum;min-width:120px;text-align:center;border:3px dashed #DDA0DD;border-radius:15px;padding:.2em .4em;animation:pulse 1.5s ease-in-out infinite}.answer-input{display:flex;justify-content:center;align-items:center;gap:1rem;margin-bottom:2rem}.answer-input input{padding:1.2rem;border:4px solid 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