:root{font-family:Poppins,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;width:100%;margin:0;padding:0;overflow-x:hidden}body{margin:0;min-width:320px;min-height:100vh;overflow-y:auto;position:relative}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:#0000000d}::-webkit-scrollbar-thumb{background:#0076ff80;border-radius:10px;transition:all .3s ease}::-webkit-scrollbar-thumb:hover{background:#0076ffb3}@keyframes progress-stripes{0%{background-position:0 0}to{background-position:20px 0}}@keyframes upload-pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}::selection{background-color:#0076ff33;color:inherit}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%{box-shadow:0 0 #0076ff66}70%{box-shadow:0 0 0 10px #0076ff00}to{box-shadow:0 0 #0076ff00}}.fadeIn{animation:fadeIn .5s ease forwards}.slideUp{animation:slideUp .5s ease forwards}.pulse{animation:pulse 2s infinite}.gradient-text{background:linear-gradient(90deg,#1976d2,#9c27b0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-fill-color:transparent}.glass{background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #1f26871a}.katex{font-size:1.1em!important;line-height:1.5!important;font-family:KaTeX_Main,serif!important}.katex-display{margin:1.5em 0!important;overflow-x:auto;overflow-y:hidden;padding:.5em 0;text-align:center;background-color:#00000005;border-radius:4px}.katex-display>.katex{max-width:100%;overflow-x:auto;overflow-y:hidden;display:inline-block!important;text-align:center;padding:.5em}.katex-inline{display:inline-block;vertical-align:middle}p{margin-bottom:1em}li .katex{vertical-align:middle}.MuiPaper-root[data-mui-color-scheme=dark] .katex{color:#f5f5f5}.MuiPaper-root[data-mui-color-scheme=dark] .katex-display{background-color:#ffffff0d}.ai-response-content,.practice-help-content{width:100%;overflow-wrap:break-word;word-wrap:break-word;word-break:break-word}.katex-html{max-width:100%;overflow-x:auto;overflow-y:hidden;padding-bottom:5px}.katex .vlist-t2{margin-top:.25em;margin-bottom:.25em}@media (max-width: 600px){.katex-display{font-size:.85em!important;padding:.3em 0}.katex{font-size:.9em!important}.katex-display,.katex-html{overflow-x:auto!important;overflow-y:hidden!important;-webkit-overflow-scrolling:touch;max-width:100%!important}.MuiFormControlLabel-label{width:100%!important;max-width:100%!important;overflow-x:auto!important;-webkit-overflow-scrolling:touch}.MuiFormControlLabel-root{width:100%!important;max-width:100%!important;align-items:flex-start!important}.MuiFormControlLabel-label>span{max-width:100%!important;overflow-x:auto!important}.ai-response-content p,.practice-help-content p{margin-bottom:.75em}div[style*="overflowX: auto"] .katex,div[style*="overflow-x: auto"] .katex{white-space:nowrap!important}}.mcq-option-card{transition:all .2s cubic-bezier(.4,0,.2,1)!important}.mcq-option-card:hover{box-shadow:0 4px 12px #0000001a!important}.mcq-option-circle{transition:all .2s cubic-bezier(.4,0,.2,1)!important}@keyframes optionSelect{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.mcq-option-selected{animation:optionSelect .3s ease-in-out}@media (max-width: 600px){.mcq-option-card{padding:12px!important}.mcq-option-circle{width:28px!important;height:28px!important;font-size:.8rem!important}}#root{width:100%;margin:0 auto;text-align:center;min-height:100vh;display:flex;flex-direction:column}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.badge-hover{transition:transform .2s ease-in-out}.badge-hover:hover{transform:scale(1.05)}.leaderboard-row{transition:background-color .2s ease-in-out}