:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Nirmala UI",sans-serif;color:#213934;background:#f5f7f4;font-synthesis:none;--green:#117464;--line:#dfe6df;--muted:#738079;--paper:#fff;--soft:#e9f3eb}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:var(--green)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #c49c44;outline-offset:3px}header{height:94px;max-width:1120px;margin:auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:15px}.brand{display:flex;align-items:center;gap:12px;color:#213934;text-decoration:none;font-size:23px;font-weight:750;letter-spacing:-.6px}.brand-icon{display:grid;place-items:center;background:var(--green);color:#fff;border-radius:13px;width:45px;height:45px;font:italic 31px Georgia;position:relative}.brand-icon span{position:absolute;font:15px system-ui;right:4px;top:0}.brand small{display:block;font-size:10px;letter-spacing:.2px;font-weight:450;color:var(--muted);margin-top:3px}nav{display:flex;background:#e9eee8;border-radius:12px;padding:4px;gap:3px}nav button{background:none;border:0;padding:10px 23px;color:#67766b;border-radius:9px;font-size:13px}nav button.active{background:white;box-shadow:0 2px 5px #253b3210;color:var(--green);font-weight:650}main{max-width:1000px;margin:0 auto;padding:46px 32px 80px}.eyebrow{font-size:10px;font-weight:750;letter-spacing:1.7px;text-transform:uppercase;color:var(--green)}h1{font:normal 43px/1.2 Georgia,serif;letter-spacing:-1.3px;margin:12px 0}h1 em{color:var(--green);font-weight:normal}p.subtitle{color:var(--muted);font-size:14px;line-height:1.8;margin:0}.intro{display:flex;align-items:center;justify-content:space-between;gap:20px}.intro-mark{color:#b5c9ae;font:95px Georgia;position:relative;transform:rotate(-12deg);padding-right:20px}.intro-mark small{font:italic 20px Georgia;position:absolute;right:0;bottom:5px}.stats{display:flex;gap:0;border:1px solid var(--line);border-radius:13px;margin:28px 0 34px;background:#fff9;overflow:hidden}.stat{padding:16px 25px;flex:1;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{font-size:22px;display:block;font-weight:600}.stat span{font-size:11px;color:var(--muted)}.section-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px}h2{font-size:17px;margin:0;letter-spacing:-.3px}.section-title small{color:var(--muted);font-size:11px}.subnav{display:flex;gap:6px;margin:0 0 20px}.subnav button,.filter-button{border:1px solid var(--line);border-radius:8px;background:transparent;padding:8px 14px;font-size:12px;color:#5e7166}.subnav button.selected{background:#213934;color:white;border-color:#213934}.filters{display:flex;gap:10px;align-items:center;margin-bottom:22px;flex-wrap:wrap}.filters select{border:1px solid var(--line);background:white;border-radius:9px;padding:10px 12px;font-size:12px;color:#41594b;max-width:100%}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{border:1px solid var(--line);background:var(--paper);padding:22px;border-radius:14px}.card-top{display:flex;justify-content:space-between;gap:12px;align-items:center}.test-icon{width:38px;height:38px;border-radius:10px;background:#edf3e8;color:#4d775c;display:grid;place-items:center;font:20px Georgia}.tag{font-size:9px;letter-spacing:.6px;text-transform:uppercase;padding:5px 8px;border-radius:5px;background:#f3f5f0;color:#778572}.card h3{margin:18px 0 7px;font-size:17px;font-weight:650}.card p{font-size:12px;line-height:1.7;color:var(--muted);margin:0 0 18px}.card-bottom{padding-top:15px;border-top:1px solid #edf0eb;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;color:var(--muted)}.start{border:0;background:transparent;color:var(--green);font-size:12px;font-weight:700;padding:6px}.upload-strip{border:1px dashed #c5d4c6;padding:17px 20px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:24px}.upload-strip p{font-size:12px;color:var(--muted);margin:4px 0}.upload-strip b{font-size:12px}.outline{border:1px solid #c6d5c9;background:#fff;border-radius:8px;padding:10px 15px;font-size:12px;color:var(--green);white-space:nowrap}.footnote{color:#889087;font-size:10px;line-height:1.8;text-align:center;margin-top:26px}.back-button{padding:6px 0;border:0;color:#6e7e71;background:none;font-size:12px}.quiz-top{display:flex;justify-content:space-between;align-items:center;margin:0 0 22px;gap:10px}.quiz-meta{font-size:11px;color:var(--muted)}.progress{height:4px;background:#e0e9df;border-radius:4px;margin-top:20px}.progress span{display:block;height:100%;background:var(--green);border-radius:4px}.quiz{max-width:740px;margin:auto}.question-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;margin-top:22px}.q-labels{display:flex;gap:7px;flex-wrap:wrap}.q-labels span{font-size:10px;color:#5d7966;background:#f0f5ed;border-radius:5px;padding:5px 8px}.question-en{font-size:19px;line-height:1.7;margin:22px 0 10px;font-weight:550}.question-hi{font-size:16px;line-height:1.9;color:#6a776c;margin:0 0 24px}.options{display:grid;gap:10px}.option{width:100%;text-align:left;display:flex;gap:15px;align-items:center;border:1px solid #dce4db;background:#fff;padding:15px 17px;border-radius:10px;color:#314a3e;min-height:55px;line-height:1.6}.option .letter{width:27px;height:27px;flex-shrink:0;border:1px solid #e1e6de;background:#f9faf7;border-radius:7px;display:grid;place-items:center;font-size:11px}.option:hover:enabled{background:#f4f8f1;border-color:#91ae93}.option.chosen{border-color:var(--green);background:#f0f8f1}.option.correct{border-color:#2c8a67;background:#edf8f0}.option.incorrect{border-color:#ca746b;background:#fdf0ed}.question-tools{margin-top:22px;display:flex;justify-content:space-between;gap:12px;font-size:12px;align-items:center}.hint{font-size:12px;text-decoration:none;padding:7px 0}.bookmark{border:0;background:none;color:#738079;font-size:12px}.bookmark.saved{color:#a16f19}.primary{background:var(--green);color:white;border:0;padding:12px 20px;border-radius:9px;font-weight:600;font-size:13px}.primary:disabled{opacity:.4}.question-actions{display:flex;justify-content:space-between;align-items:center;margin-top:20px;gap:12px}.solution{padding:25px 0 0;border-top:1px solid var(--line);margin-top:24px}.solution h3{color:var(--green);font-size:16px;margin:0 0 12px}.solution.wrong h3{color:#ad5c42}.solution ol{padding-left:24px}.solution li{padding:5px 0;font-size:15px;line-height:1.9}.insight{background:#f6f5ea;padding:13px 15px;border-radius:9px;font-size:13px;line-height:1.8;margin-top:12px}.insight.trap{background:#f7f1ed}.palette{display:flex;flex-wrap:wrap;gap:7px;margin:24px 0}.palette button{width:32px;height:32px;border:1px solid #dbe2d9;border-radius:7px;background:white;color:#6a786a;font-size:10px}.palette button.done{background:#e4f2e8;border-color:#b9d7c3}.palette button.current{box-shadow:0 0 0 2px var(--green)}.result-hero{text-align:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}.result-score{font:60px Georgia;color:var(--green);margin:18px 0}.review-row{display:flex;align-items:center;gap:12px;width:100%;padding:15px;text-align:left;border:1px solid var(--line);border-radius:9px;background:#fff;margin-top:10px;font-size:13px}.review-row span{flex:1}.notes-list{display:grid;gap:12px}.part-heading{font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:var(--green);margin:26px 0 10px}.note-row{display:flex;justify-content:space-between;gap:15px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:17px;text-decoration:none;color:#284837;align-items:center}.note-row small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.note-search{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;margin:25px 0 8px;background:#fff}.text-link{display:block;font-size:12px;margin-top:17px}.empty{text-align:center;color:var(--muted);padding:25px;line-height:1.8;font-size:14px}.loading{color:var(--muted)}.figure{margin:18px 0;max-width:100%;overflow:auto}.figure svg{max-width:100%;height:auto;display:block;margin:auto}dialog{border:1px solid var(--line);border-radius:18px;padding:28px;max-width:490px;width:calc(100% - 32px);color:#213934}dialog::backdrop{background:#122c2580;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head button{background:none;border:0;font-size:28px;color:#738079}dialog p{font-size:13px;line-height:1.8;color:#738079}dialog label{display:block;font-size:12px;margin:17px 0}dialog label[hidden]{display:none}dialog input,dialog select{display:block;width:100%;margin-top:8px;padding:10px;border:1px solid var(--line);border-radius:7px}.file-box{background:#f4f8f2;padding:18px;border:1px dashed #bfd0bf;border-radius:10px}.file-box input{border:0;padding:0;font-size:11px}#toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);background:#213934;color:white;border-radius:10px;padding:12px 20px;font-size:12px;display:none;max-width:90%;z-index:100}.katex{font-size:1.05em}.katex-display{overflow:auto}#import-status{color:#9e4b37}details{margin:18px 0;color:#637568;font-size:12px}summary{cursor:pointer}.settings{display:flex;gap:18px;flex-wrap:wrap;margin-top:14px}.settings label{display:flex;align-items:center;gap:7px}.status-pill{color:var(--green);font-size:11px}.error-box{background:#fff5ec;padding:20px;border-radius:12px;line-height:1.8;color:#875635}
@media(max-width:600px){header{height:78px;padding:0 18px}.brand{font-size:20px;gap:8px}.brand-icon{width:37px;height:37px;font-size:28px}.brand small{font-size:8px;max-width:155px}nav button{padding:10px 13px;font-size:12px}main{padding:30px 18px 60px}h1{font-size:34px}.intro-mark{font-size:65px;padding-right:5px}.intro-mark small{font-size:15px}.subtitle{max-width:270px}.stats{margin:23px 0 28px}.stat{padding:14px 12px}.stat strong{font-size:20px}.stat span{font-size:10px}.cards{gap:11px}.card{padding:17px}.card h3{font-size:15px}.card p{font-size:11px;min-height:38px}.card-bottom{align-items:flex-start;flex-direction:column;gap:5px}.start{padding:4px 0}.upload-strip{padding:16px;align-items:flex-start}.upload-strip p{font-size:11px}.outline{padding:9px 11px;font-size:11px}.question-card{padding:22px 18px;border-radius:14px}.question-en{font-size:17px}.question-hi{font-size:15px}.option{padding:13px 12px;gap:10px;font-size:15px}.question-tools{flex-wrap:wrap}.solution li{font-size:14px}.quiz-top{flex-wrap:wrap}.section-title small{font-size:10px}.filters select{flex:1;min-width:100px}.note-row{font-size:14px}.intro{gap:5px}.tag{font-size:8px}.question-actions{position:sticky;bottom:0;background:#f5f7f4ed;backdrop-filter:blur(10px);padding:14px 0;margin-top:8px}.result-hero{padding:24px 18px}}
@media(prefers-reduced-motion:no-preference){.card,.option{transition:border-color .18s,background .18s}.card:hover{border-color:#afc6b2}}@media(max-width:350px){.brand small{display:none}.cards{grid-template-columns:1fr}nav button{padding:10px}.intro-mark{display:none}}

html{height:100%;overflow:hidden}body{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}
.compact-header{width:100%;max-width:none;height:auto;min-height:58px;padding:calc(8px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) 8px max(16px,env(safe-area-inset-left,0px));flex:0 0 auto;background:#f5f7f4;gap:12px}
.compact-header .brand{font-size:18px;letter-spacing:-.5px;gap:8px}.compact-header .brand-icon{width:30px;height:30px;border-radius:9px;font-size:24px}
.compact-progress{margin-left:auto;min-width:65px;max-width:150px;flex:1;text-align:center;color:#577063;font-size:11px;line-height:1.4}
.header-track{height:3px;margin-top:5px;background:#dfe8dd;border-radius:3px;overflow:hidden}.header-track span{display:block;height:100%;background:#117464;transition:width .22s ease}
.language-toggle{flex:0 0 auto;background:transparent;border:1px solid #cbd8cc;border-radius:8px;min-height:34px;padding:5px 9px;font-size:11px;color:#366052}
#view{flex:1 1 auto;min-height:0;max-width:1000px;width:100%;margin:0 auto;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;padding:24px 18px 26px;scroll-padding-block:16px}
body.in-question #view{padding:0 16px 20px;max-width:820px}
.bottom-nav{flex:0 0 auto;position:relative;z-index:2;display:flex;justify-content:center;gap:30px;width:100%;border-radius:0;border-top:1px solid #dfe6df;background:transparent;padding:7px 16px calc(7px + env(safe-area-inset-bottom,0px))}
.bottom-nav button{min-width:110px;min-height:40px;background:transparent;border:0;border-radius:8px;color:#7b8a7e;padding:9px 24px;font-size:13px;box-shadow:none}
.bottom-nav button.active{background:transparent;color:#117464;box-shadow:none;font-weight:750;text-decoration:underline;text-underline-offset:7px;text-decoration-thickness:2px}
.quiz-reader{width:100%;max-width:none;margin:0;touch-action:pan-y pinch-zoom}
.quiz-reader .question-card{border:0;background:transparent;box-shadow:none;border-radius:0;padding:18px 0 0;margin:0}
.quiz-reader .q-labels{gap:6px}.quiz-reader .q-labels span{font-size:10px;background:transparent;padding:0 7px 0 0;color:#718576}
.quiz-reader .question-en{font-size:19px;line-height:1.7;font-weight:550;margin:16px 0 12px}.quiz-reader .question-hi{font-size:17px;line-height:1.85;margin:0 0 20px}
.quiz-reader .option{min-height:53px;background:#ffffffa8}.quiz-reader .option.correct{background:#e9f7ed}.quiz-reader .option.incorrect{background:#fcece9}
.quiz-reader .question-tools{margin-top:15px;gap:12px;flex-wrap:wrap}
.quiz-reader .question-actions{position:static;bottom:auto;background:transparent;backdrop-filter:none;margin-top:18px;padding:0;display:flex;justify-content:space-between}
.quiz-reader .question-actions button{min-height:40px;font-size:12px}.quiz-reader .solution{margin-top:20px;padding-top:22px}.quiz-reader .solution li{line-height:1.95}.quiz-reader .insight{line-height:1.9}
.swipe-caption{font-size:10px;color:#8d9b8c;text-align:center;margin:22px 0 4px}
html[data-question-language="en"] .question-hi{display:none}html[data-question-language="hi"] .question-en{display:none}html[data-question-language="hi"] .question-hi{margin-top:18px;color:#284a3b}
@media(max-width:390px){.compact-header{gap:8px}.compact-header .brand{font-size:16px}.language-toggle{font-size:10px;padding:5px 7px}.compact-progress{min-width:47px}body.in-question #view{padding-inline:14px}.quiz-reader .question-en{font-size:17px}.quiz-reader .question-hi{font-size:16px}}
@media(prefers-reduced-motion:reduce){.header-track span{transition:none}}

/* Notes stay in the same app/webview and preserve the underlying quiz position. */
.note-reader[open]{display:flex;flex-direction:column;position:fixed;inset:0;margin:0;width:100%;max-width:none;height:100vh;height:100dvh;max-height:none;padding:0;border:0;border-radius:0;background:#f7f8fa;overflow:hidden}
.note-reader-toolbar{display:flex;align-items:center;gap:12px;flex:0 0 auto;padding:calc(10px + env(safe-area-inset-top,0px)) 14px 10px;background:#f5f7f4;border-bottom:1px solid #dfe6df}
.note-reader-toolbar button{border:0;background:transparent;color:#117464;font:inherit;font-size:13px;min-height:36px;min-width:42px;padding:6px 8px;flex-shrink:0}
.note-reader-title{font-size:12px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#36564a}
.note-reader-frame{display:block;flex:1 1 auto;min-height:0;width:100%;border:0;background:#f7f8fa;padding-bottom:env(safe-area-inset-bottom,0px)}
.note-reader-status{flex:0 0 auto;padding:14px 18px;margin:0;color:#63786c;font-size:13px}
.note-reader-status[hidden]{display:none}

.header-back{border:0;background:transparent;min-width:30px;min-height:38px;color:#117464;font-size:28px;padding:0 4px}.header-back:disabled{opacity:.3}.bottom-nav{gap:8px;align-items:center}.bottom-nav .nav-arrow{min-width:42px;padding:8px;flex:0 0 42px;font-size:22px}.bottom-nav button:disabled{opacity:.25}.bottom-nav button:not(.nav-arrow){min-width:65px;max-width:150px;flex:1;padding:8px}.compact-header .brand{white-space:nowrap}.folder-browser{padding:0 0 26px;margin-bottom:24px;border-bottom:1px solid #dbe5d8}.folder-bar{display:flex;align-items:center;gap:12px;justify-content:space-between}.folder-crumbs{display:flex;gap:7px;flex-wrap:wrap;font-size:12px;align-items:center}.folder-crumbs button{border:0;background:none;color:#117464;padding:5px 0}.folder-children{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:18px 0}.folder-tile{display:flex;gap:10px;align-items:center;border:1px solid #d7e3d2;border-radius:9px;padding:14px;background:#fff;color:#35604a;text-align:left}.folder-tile span{flex:1}.in-question .question-actions{display:none}
@media(max-width:700px){.compact-header{gap:7px}.compact-header .brand{font-size:15px}.compact-header .brand-icon{display:none}.compact-header .language-toggle{font-size:10px;padding:4px 7px}}