.quiz-safe-top{padding-top:calc(12px + env(safe-area-inset-top))!important}.quiz-safe-bottom{padding-bottom:12px!important}.quiz-sheet-safe{padding-bottom:24px!important}.quiz-root,.quiz-root *{touch-action:manipulation}html:has(.quiz-root),body:has(.quiz-root){height:100%;overflow:hidden;overscroll-behavior:none}.quiz-root{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;background:#ded9cc;font-family:IBM Plex Sans,system-ui,sans-serif;color:#1c1e24;-webkit-font-smoothing:antialiased}.quiz-shell{width:100%;max-width:480px;margin:0 auto;height:100%;background:#f1eee6;display:flex;flex-direction:column;position:relative;overflow:hidden}@media (min-width: 560px){.quiz-shell{border-left:1px solid rgba(120,110,85,.18);border-right:1px solid rgba(120,110,85,.18);box-shadow:0 0 60px -12px #322d1e59}}.quiz-auth{font-family:IBM Plex Sans,system-ui,sans-serif;--primary: #2c4c86;--primary-foreground: #ffffff;--ring: #2c4c86;--foreground: #23262d;--muted-foreground: #8a8d95;--border: #e1dacb;--input: #e1dacb}.quiz-no-scrollbar{scrollbar-width:none;-ms-overflow-style:none;overscroll-behavior:none}.quiz-no-scrollbar::-webkit-scrollbar{display:none;width:0;height:0}.quiz-root .katex{font-size:1.02em}.quiz-root button,.quiz-root a[role=button]{-webkit-tap-highlight-color:transparent;touch-action:manipulation;transition:transform .09s ease,filter .12s ease}.quiz-root button:active:not(:disabled),.quiz-root a[role=button]:active{transform:scale(.965);filter:brightness(.95)}@media (prefers-reduced-motion: reduce){.quiz-root button:active:not(:disabled){transform:none}}.quiz-navbar{flex:none;height:3px;position:relative;overflow:hidden;background:transparent}.quiz-navbar>b{display:block;height:100%;border-radius:0 999px 999px 0;background:linear-gradient(90deg,#1e63e8,#4a86ff);box-shadow:0 0 8px #1e63e88c;transition:width .2s ease,opacity .25s ease}.quiz-spinner{width:34px;height:34px;border-radius:50%;border:3px solid #e4decf;border-top-color:#2c4c86;animation:quizSpin .8s linear infinite}@keyframes quizSpin{to{transform:rotate(360deg)}}@keyframes quizSheetUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes quizFadeIn{0%{opacity:0}to{opacity:1}}.quiz-skel{position:relative;overflow:hidden;background:#ece7db;border-radius:8px}.quiz-skel:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);animation:quizShimmer 1.25s ease-in-out infinite}@keyframes quizShimmer{to{transform:translate(100%)}}@keyframes quizPulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.06);opacity:.9}}@media (prefers-reduced-motion: reduce){.quiz-skel:after{animation:none}}@keyframes quizToastIn{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}