@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--purple:#7050d7;--ink:#27233d;--muted:#8b879b;--line:#eceaf2}*{box-sizing:border-box}body{margin:0;background:#f8f9fc;color:var(--ink);font-family:'DM Sans',sans-serif;font-size:14px}button,a,select{touch-action:manipulation}button,select{font:inherit}button,a{cursor:pointer}button{border:0}a{text-decoration:none;color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #b7a3ff;outline-offset:4px}aside{position:fixed;inset:0 auto 0 0;width:242px;padding:32px 22px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{font:800 24px Manrope;display:flex;align-items:center;gap:9px;letter-spacing:-1px}.brand>span{background:var(--purple);color:#fff;border-radius:12px;width:37px;height:39px;text-align:center;line-height:39px}.brand i{font-size:18px;color:#eeae49;align-self:flex-start}.navlabel{font-size:9px;letter-spacing:1.6px;color:#aaa5b6;margin:46px 12px 17px}nav{display:grid;gap:8px}nav button{background:transparent;text-align:left;color:#918aa3;border-radius:9px;padding:14px 12px;font-size:18px;display:flex;gap:11px;align-items:center}nav span{font-size:13px;font-weight:600}nav button.active{background:#f0ebfc;color:var(--purple)}nav small{font-size:8px;color:#ba8c32;background:#fff5d7;padding:4px;margin-left:auto}.sidecard{margin-top:auto;background:#f7f5fd;padding:20px 16px;border-radius:13px}.sidecard>div{font-size:29px;margin-bottom:13px}.sidecard b{font-size:14px;line-height:1.7}.sidecard p{font-size:11px;color:var(--muted);line-height:1.7}.sidecard button{background:white;padding:10px 15px;color:var(--purple);border:1px solid #e8e1fb;border-radius:7px;font-size:11px}.profile{display:flex;gap:10px;align-items:center;margin-top:27px;padding-top:22px;border-top:1px solid var(--line)}.profile>span,.avatar{border-radius:50%;background:#f3deca;color:#9e6640;width:34px;height:34px;display:grid;place-items:center;font-weight:700}.profile b{font-size:11px}.profile small{display:block;font-size:8px;color:var(--muted);margin-top:5px}.shell{margin-left:242px}header{height:86px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 40px}header b{display:block;font-size:14px;margin-top:4px}.crumb{color:var(--muted);font-size:10px}.header-right{display:flex;gap:23px;align-items:center}.header-right b{display:inline;font-size:11px}.pill{color:#b57b22;background:#fff8e8;border:1px solid #f8ebcc;padding:8px 12px;border-radius:20px}select{border:0;background:transparent;color:var(--ink);font-weight:700}header label{border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:12px}main{max-width:1340px;margin:auto;padding:32px 40px}h1,h2,h3{font-family:Manrope,sans-serif}h1{font-size:27px;letter-spacing:-.9px;margin:0 0 9px}p{color:var(--muted);line-height:1.7;margin:7px 0}.welcome{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.welcome p{font-size:12px}.date{font-size:11px;color:var(--muted)}.hero{border-radius:17px;background:#ece8fb;min-height:235px;position:relative;overflow:hidden;padding:30px 34px;display:flex;align-items:center;justify-content:space-between}.eyebrow{font-size:9px;letter-spacing:1.5px;font-weight:800;color:var(--purple)}.hero h2{font-size:31px;line-height:1.3;letter-spacing:-1px;margin:12px 0}.hero p{color:#82779d;font-size:12px;max-width:350px}.primary{background:var(--purple);color:white;border-radius:8px;padding:12px 20px;font-weight:600;font-size:12px;display:inline-block}.hero .primary{margin-top:18px}.hero-art{width:280px;height:195px;position:relative;display:grid;place-items:center;flex-shrink:0}.orbit{position:absolute;border:1px solid #dcd3f5;border-radius:50%;width:205px;height:205px}.orbit:after{content:'';position:absolute;inset:22px;border:1px dashed #d1c6ed;border-radius:50%}.trophy{font-size:109px;filter:drop-shadow(0 15px 7px #b3a2d43d);transform:rotate(-9deg);z-index:1}.float{position:absolute;background:white;padding:10px 13px;border-radius:10px;box-shadow:0 8px 25px #9380b71c;font-weight:700;font-size:11px;z-index:2}.float.one{left:0;top:28px;transform:rotate(-8deg)}.float.two{right:0;bottom:21px;transform:rotate(7deg)}.star{position:absolute;color:#b09adc;font-size:26px;right:27px;top:10px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin:22px 0 30px}.stat{background:#fff;border:1px solid var(--line);border-radius:11px;padding:19px;display:flex;gap:14px;align-items:center}.icon{width:43px;height:43px;border-radius:11px;background:#f1ecff;display:grid;place-items:center;font-size:22px;color:var(--purple)}.stat:nth-child(2) .icon{background:#eaf8f2;color:#40a68e}.stat:nth-child(3) .icon{background:#fff4e4;color:#d19a48}.stat b{font:800 22px Manrope}.stat small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.sectionhead{display:flex;align-items:center;justify-content:space-between;margin:25px 0 16px}.sectionhead h2{font-size:17px;margin:0}.sectionhead button{background:none;color:var(--purple);font-size:11px}.classes{display:flex;gap:9px;flex-wrap:wrap}.classes button{width:calc((100% - 99px)/12);height:49px;min-width:42px;border-radius:9px;background:white;border:1px solid var(--line);color:#878096;font-weight:600}.classes button.selected{background:var(--purple);color:white;border-color:var(--purple);box-shadow:0 4px 8px #7050d730}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.card{border:1px solid var(--line);border-radius:13px;padding:22px;background:white;position:relative}.card h3{font-size:15px;margin:17px 0 8px}.card p{font-size:11px;min-height:38px}.card .icon{width:45px;height:45px}.tag{position:absolute;right:17px;top:24px;background:#f6f5f9;border-radius:4px;font-size:8px;padding:5px 7px;color:#9c95a9}.card button,.card>a{background:none;display:block;width:100%;text-align:left;border-top:1px solid var(--line);margin-top:18px;padding:14px 0 0;color:var(--purple);font-weight:600;font-size:11px}.card button span{float:right}.green .icon{background:#e8f6f1;color:#3ba686}.orange .icon{background:#fff1e2;color:#d6943c}.bottomgrid{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}.banner{background:#fff7e8;border:1px solid #f5ebd7;border-radius:13px;padding:23px;display:flex;align-items:center;gap:20px}.banner h3{margin:6px 0;font-size:15px}.banner p{font-size:11px;color:#a29071}.banner .primary{background:#403552;margin-top:10px;font-size:10px}.banner-icon{font-size:48px}.note{padding:15px 18px;border:1px solid #e4ddf4;border-radius:10px;background:#f4f0fc;color:#817194;font-size:12px;line-height:1.7;margin:20px 0}.muted{color:var(--muted);font-size:11px}.rows{display:grid;gap:12px}.row{padding:20px;background:white;border:1px solid var(--line);border-radius:11px;display:flex;align-items:center;justify-content:space-between;gap:15px}.row h3{font-size:14px;margin:0 0 5px}.row p{font-size:11px;margin:0}.row small{color:var(--muted)}.tabs{display:flex;gap:8px;margin:20px 0;flex-wrap:wrap}.tabs button{padding:10px 20px;border-radius:8px;background:#fff;border:1px solid var(--line)}.tabs .selected{background:var(--purple);color:white}footer{font-size:9px;line-height:1.9;color:#aaa4b6;padding:15px 40px 25px;max-width:1340px;margin:auto}dialog{border:none;border-radius:20px;width:min(620px,94vw);padding:32px;color:var(--ink);box-shadow:0 30px 80px #20153230}dialog::backdrop{background:#20153280;backdrop-filter:blur(4px)}.quiztop{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.close{background:#f4f1fa;border-radius:50%;width:30px;height:30px}.bar{height:5px;background:#eee8f7;border-radius:5px;margin:22px 0}.bar>div{background:var(--purple);height:100%;border-radius:5px}.answers{display:grid;gap:10px;margin:23px 0}.answers button{padding:15px;text-align:left;border-radius:9px;background:#faf9fd;border:1px solid #e8e3f1;color:var(--ink)}.answers button.correct{background:#e2f6ec;border-color:#66b892}.answers button.wrong{background:#ffeae9;border-color:#dc9995}.explain{padding:15px;background:#f3effb;border-radius:10px;font-size:13px;line-height:1.7;margin-bottom:20px}.result{text-align:center}.result strong{font-size:54px;color:var(--purple);display:block;margin:15px}table{width:100%;border-collapse:collapse;background:white;font-size:12px}td,th{text-align:left;padding:16px;border-bottom:1px solid var(--line)}.empty{padding:45px;text-align:center;background:white;border-radius:14px;border:1px dashed #dcd3ed}.resource{display:inline-block;color:var(--purple);text-decoration:underline;margin-top:12px;font-size:12px}@media(min-height:900px){.sidecard{margin-top:80px}}@media(max-width:1100px){aside{width:205px;padding:25px 15px}.shell{margin-left:205px}main{padding:25px}header{padding:0 25px}.hero-art{width:200px}.cards{gap:12px}.card{padding:18px}.hero h2{font-size:27px}}@media(max-width:800px){aside{position:static;width:auto;padding:16px}.brand{font-size:20px}.navlabel,.sidecard,.profile{display:none}nav{display:flex;overflow:auto;margin-top:15px;gap:5px}nav button{white-space:nowrap;padding:10px}nav small{display:none}nav span{font-size:11px}.shell{margin:0}header{height:70px;padding:0 20px}main{padding:22px 18px}.hero{padding:25px}.hero-art{width:150px}.trophy{font-size:80px}.float{display:none}.orbit{width:145px;height:145px}.stats{gap:8px}.stat{padding:13px;gap:8px}.stat b{font-size:18px}.stat .icon{width:32px;height:32px;font-size:17px}.cards{grid-template-columns:1fr}.bottomgrid{grid-template-columns:1fr}.date{display:none}.welcome h1{font-size:24px}.classes button{width:calc((100% - 45px)/6)}.header-right{gap:10px}.hero h2{font-size:25px}.hero p{max-width:230px}.row{flex-wrap:wrap}footer{padding:20px}.tag{font-size:10px}}@media(max-width:450px){.hero-art{display:none}.hero h2{font-size:29px}.stats .icon{display:none}.header-right .avatar{display:none}}
.library-feature{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#ece8fb;border-radius:14px;padding:22px 27px;margin:24px 0}.library-feature h3{margin:8px 0;font-size:19px}.library-feature p{font-size:12px}.library-filters{display:grid;grid-template-columns:1fr 2fr;gap:18px;margin:25px 0 12px}.library-filters label,.chapter-picker{display:grid;gap:9px;font-size:12px;font-weight:600}.library-filters select,.chapter-picker select{background:white;border:1px solid #ded9e9;border-radius:8px;padding:13px;max-width:100%;width:100%;font-size:13px}.library-card{background:white;border:1px solid var(--line);border-radius:14px;padding:25px;margin:20px 0}.library-book-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.library-book-head h2{font-size:22px;margin:10px 0}.library-book-head p{font-size:12px}.reader-toolbar{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:18px 0}.reader-toolbar a,.reader-caption a{font-size:12px;color:var(--purple);text-decoration:underline}.reader-placeholder{padding:45px 20px;background:#faf9fd;border:1px dashed #d9d0ed;border-radius:12px;text-align:center}.reader-placeholder .icon{margin:auto}.reader-placeholder h3{font-size:17px}.reader-placeholder p,.reader-caption{font-size:12px}.reader-frame iframe{border:1px solid #e0dbea;border-radius:9px;width:100%;height:740px;background:#f4f2f8}.reader-caption{margin-bottom:14px}.chapter-picker{max-width:600px}.library-card .empty{padding:25px}@media(max-width:800px){.library-filters{grid-template-columns:1fr}.library-feature,.library-book-head{align-items:flex-start;flex-direction:column}.library-card{padding:18px}.reader-frame iframe{height:550px}.welcome>.pill{display:none}}
.solution-source{margin:24px 0 10px;padding:18px 22px;background:#edf5f2;border-radius:10px}.solution-source p{font-size:14px;color:#44685d}.solution-result{padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:24px}.solution-result h2{font-size:20px;line-height:1.5}.solution-result p{font-size:14px}.solution-result>.primary{flex-shrink:0;text-align:center;font-size:14px}.library-filters label{font-size:14px}.library-filters select{font-size:14px}#app [lang="hi"]{line-height:1.8}#app [lang="hi"] h1{line-height:1.5}.sidecard{margin-top:25px}@media(max-width:1000px){.solution-result{flex-direction:column;align-items:flex-start}.solution-result>.primary{width:100%}}
.quiz-settings{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px;background:white;border:1px solid var(--line);padding:20px;border-radius:14px;margin:18px 0}.quiz-settings label{display:grid;gap:9px;font-weight:600;font-size:13px}.quiz-settings select{width:100%;min-width:0;border:1px solid #d9d3e6;border-radius:8px;padding:12px;font-weight:500;background:#fff}.difficulty-badge{color:#695189;font-size:14px;padding:12px;background:#f4f0fc;border-radius:9px;align-self:end}.difficulty-badge small{display:block;margin-top:6px;font-size:11px}.quiz-actions,.quiz-controls{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.secondary{background:#fff;color:var(--purple);border:1px solid #dcd3f0;border-radius:8px;padding:12px 17px;font-weight:600;font-size:12px}button:disabled{cursor:default;opacity:.65}.answers button:disabled{opacity:1}.coverage{margin:28px 0}.coverage summary,.question-nav summary{cursor:pointer;font-weight:700;padding:14px 0}.coverage-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.coverage-item{display:flex;align-items:center;justify-content:space-between;gap:14px;background:white;border:1px solid var(--line);border-radius:10px;padding:16px}.coverage-item b{font-size:13px;line-height:1.5;display:block}.coverage-item small{display:block;margin-top:7px;color:#777087;font-size:11px}.topic-start{background:#f1ecfb;color:#6948c4;border-radius:8px;padding:10px;flex-shrink:0;font-size:11px}.question-meta{display:grid;gap:8px;color:#70617f;font-size:12px}.question-text{white-space:pre-line;overflow-wrap:anywhere;line-height:1.6}.answers button.chosen{border:2px solid var(--purple);background:#eee8fc}.answers button.correct{background:#e2f6ec;border-color:#4d9878}.answers button.wrong{background:#ffeae9;border-color:#bb7773}.question-nav>div{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:15px}.question-nav button{min-width:35px;min-height:35px;border:1px solid #e3deed;border-radius:6px;background:white}.question-nav button.attempted{background:#eee8fc}.question-nav button.current{border:2px solid var(--purple)}.finish-link{background:none;text-decoration:underline;color:#786a8a;font-size:12px;margin-top:12px}.topic-breakdown>div{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding:12px 0;font-size:13px}.answer-review{padding:15px;border:1px solid var(--line);border-radius:9px;margin:12px 0}.answer-review summary{cursor:pointer;font-weight:700;font-size:13px}.answer-review p{color:#625b74;font-size:13px}.result strong{font-size:38px}.result .quiz-actions{justify-content:center}.question-text{font-size:19px}.question-meta .eyebrow{line-height:1.6}.quiz-controls .primary{margin-left:auto}.quiztop{gap:12px}.quiztop .close{flex-shrink:0}#clock{white-space:nowrap}p,.muted{color:#746d84}dialog{max-height:90vh}dialog h2{margin-top:20px}.explain p{color:inherit}@media(max-width:1000px){.quiz-settings{grid-template-columns:1fr 1fr}.quiz-settings>label:first-child{grid-column:1/-1}.coverage-grid{grid-template-columns:1fr}}@media(max-width:550px){.quiz-settings{grid-template-columns:1fr}.quiz-settings>label:first-child{grid-column:auto}.sectionhead{gap:14px;align-items:flex-start;flex-direction:column}.quiz-actions>*{flex:1;text-align:center}.coverage-item{padding:13px}.quiz-controls{gap:7px}.quiz-controls button{padding:10px;font-size:11px}dialog{padding:20px}.question-text{font-size:17px}.classes{margin-top:20px}.quiztop{font-size:10px}}
.discovery{margin:20px 36px 40px;padding:26px;border:1px solid #e7e0f0;background:#f3eefb;border-radius:16px}.discovery h2{font-size:23px}.discovery div{display:flex;flex-wrap:wrap;gap:12px 24px}.discovery a{color:#6240ae;font-weight:650}.discovery p{color:#665d74}@media(max-width:650px){.discovery{margin:20px;padding:20px}}