:root{font-family:Inter,system-ui,sans-serif;color:#203d37;background:#f6f5ef;font-size:16px}*{box-sizing:border-box}body{margin:0}header{padding:24px 6%;border-bottom:1px solid #dedfd5;display:flex;align-items:center;justify-content:space-between}.brand{color:inherit;text-decoration:none;display:flex;align-items:center;gap:8px;font-size:20px}.brand b{font-weight:400}.logo{background:#173f36;color:#fff;border-radius:10px;padding:8px 14px;margin-right:8px}.tag,small,.muted{color:#6a7b72}main{max-width:1120px;margin:44px auto;padding:0 24px;min-height:70vh}h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(32px,5vw,52px);line-height:1.12;margin:16px 0}h2{font-size:23px;font-weight:500}p{line-height:1.65}.eyebrow{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:#698174}.hero{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:center;margin-bottom:32px}.note{background:#e8eddf;padding:24px;border-radius:20px;border:1px solid #d6decb}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}.stat,.card{background:#fff;border:1px solid #e0e3d8;border-radius:18px;padding:24px}.stat strong{display:block;font-size:30px;font-weight:500;margin-bottom:6px}.grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px}.row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}label{display:block;margin:18px 0 8px;font-size:14px}select,input{padding:12px;background:#fafbf7;border:1px solid #cbd3c5;border-radius:8px;font:inherit;width:100%}button,.button{border:0;border-radius:10px;background:#183f36;color:white;padding:13px 20px;font:inherit;cursor:pointer;text-decoration:none;display:inline-block}button:hover{filter:brightness(.93)}button:focus-visible,a:focus-visible{outline:3px solid #b58430;outline-offset:3px}.secondary{background:#eaf0e4;color:#28473a}.danger{background:#8e453b}.full{width:100%;margin-top:22px}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{font-size:12px;background:#edf0e7;padding:6px 10px;border-radius:30px}.notice{font-size:13px;padding:12px;border-left:3px solid #b5883c;background:#fbf5e7}.options{display:grid;gap:12px;margin:28px 0}.option{text-align:left;background:#fff;color:#243e35;border:1px solid #d8dfd2;padding:18px;line-height:1.5}.option.selected{background:#e2eddb;border:2px solid #345d47}.palette{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.palette button{width:40px;padding:10px;background:#eef0e9;color:#35523f}.palette button.done{background:#3c664b;color:#fff}.palette button.current{outline:2px solid #ba8b3c}.timer{font-variant-numeric:tabular-nums;background:#eee4cd;padding:10px 16px;border-radius:10px}.review{margin:16px 0;padding:20px;background:#fff;border-radius:12px;border-left:4px solid #bd775b}.review.correct{border-color:#518259}.review p{margin:8px 0}.progress{height:6px;border-radius:6px;background:#e2e7dc;margin:20px 0;overflow:hidden}.progress span{display:block;background:#4a7252;height:100%}footer{padding:28px;text-align:center;color:#788276;font-size:12px}.history{padding:12px 0;border-bottom:1px solid #e6e9df;font-size:14px}.link{background:transparent;color:#335740;padding:8px}dialog{border:1px solid #d2dacb;border-radius:18px;max-width:440px;padding:28px}dialog::backdrop{background:#17392c66}@media(max-width:700px){.hero,.grid{grid-template-columns:1fr;gap:18px}.tag{display:none}header{padding:18px 20px}main{margin:28px auto;padding:0 16px}.stats{gap:8px}.stat{padding:16px 10px}.stat strong{font-size:26px}.card{padding:20px}.brand{font-size:17px}}
.paper-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.exam-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;margin-top:22px}.pdf-panel iframe{width:100%;height:680px;border:1px solid #dce2d5;border-radius:10px}.review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.review-grid .review{margin:0}.palette button{min-width:46px;width:auto}button:disabled{opacity:.4;cursor:default}@media(max-width:800px){.exam-layout,.paper-grid{grid-template-columns:1fr}.pdf-panel iframe{height:450px}.review-grid{grid-template-columns:repeat(2,1fr)}}
.analytics{margin:24px 0}.analytics strong{font-size:25px}.time-bars{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-height:320px;overflow:auto}.time-bar{display:flex;gap:6px;align-items:center;font-size:12px}.time-bar span{width:32px}.time-bar meter{width:70px;flex:1}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}th,td{padding:12px;border-bottom:1px solid #dfe5d8}th{color:#617355}@media(max-width:700px){.time-bars{grid-template-columns:repeat(2,1fr)}}
.site-nav{display:flex;gap:20px;flex-wrap:wrap}.site-nav a{color:#335740;text-decoration:none;padding:8px 0}.site-nav a:hover{text-decoration:underline}.repeat-promo{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:24px 0}.repeat-controls{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}.repeat-controls label{margin-top:0}.repeat-group{margin:24px 0}.comparison-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.question-source{background:#f6f7f1;border:1px solid #dce2d3;border-radius:12px;padding:22px;display:flex;flex-direction:column;align-items:flex-start}.question-source h3{font-size:17px;line-height:1.6;margin:8px 0}.question-source .eyebrow{line-height:1.6;letter-spacing:1px}.question-source .question-summary{font-family:Georgia,serif;font-size:21px;line-height:1.6;flex:1}.repeat-reason{border-top:1px solid #e0e5d8;margin-top:24px;padding-top:20px}.repeat-reason p{margin:6px 0 18px}.chip.strong{background:#dcebd5;color:#274b34}.chip.broad{background:#f1e5cb;color:#735721}@media(max-width:700px){header{flex-wrap:wrap;gap:12px}.site-nav{font-size:14px;gap:16px}.repeat-controls,.comparison-grid{grid-template-columns:1fr}.repeat-promo{align-items:flex-start;flex-direction:column}.question-source{padding:18px}}

.ca-question{margin:16px 0}.ca-question h2{font-size:21px;line-height:1.5}.ca-question summary{cursor:pointer;color:#163e37;font-weight:700;padding:12px 0}.ca-question details[open]{border-top:1px solid #d9e4df}.site-nav{flex-wrap:wrap}

.geography-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.geography-controls label{margin-top:0}.geo-search,.geo-actions{grid-column:1/-1}.geo-checks{grid-column:1/-1;display:flex;gap:20px;flex-wrap:wrap}.geo-checks label{display:flex;align-items:center;gap:8px}.geo-checks input{width:auto}.geo-actions{justify-content:flex-start}.geo-patterns{margin:24px 0}.geo-topic-counts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.geo-topic-count{display:flex;justify-content:space-between;gap:10px;text-align:left;font-size:13px}.geo-topic-count strong{background:#dcebd5;border-radius:6px;padding:2px 7px}.geo-question{margin:18px 0}.geo-question h2{font-family:Georgia,serif;font-size:25px;line-height:1.4}.geo-reference{margin-top:20px;line-height:1.7;letter-spacing:.6px}.geo-question summary{cursor:pointer;padding:12px 0;font-weight:700;color:#254e3c}.geo-question details[open]{border-top:1px solid #dce2d3;margin-top:12px}.geo-answer-status{font-size:12px;font-weight:700;color:#80632f}.geo-question-actions{margin-top:20px}.geo-question .chips{gap:7px}#geo-count{scroll-margin-top:24px}#geo-coverage{scroll-margin-top:24px;margin-top:32px}.site-nav a[href="#geography"]{font-weight:700}@media(max-width:800px){.geography-controls,.geo-topic-counts{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.geography-controls,.geo-topic-counts{grid-template-columns:1fr}.geography-hero h1{font-size:40px}.geo-question h2{font-size:22px}.geo-actions button{width:100%}.geo-question-actions{align-items:stretch;flex-direction:column}.geo-question-actions a{text-align:center}.site-nav{gap:12px}}

.sprint-jumps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.sprint-jumps a{display:flex;align-items:center;gap:10px;padding:18px;border:1px solid #dce2d3;border-radius:12px;color:#214b3f;text-decoration:none;background:#fff}.sprint-jumps b{font-size:23px;color:#79915d}.sprint-plan{margin:20px 0}.sprint-plan summary{cursor:pointer;font-size:18px;font-weight:700}.sprint-controls{display:grid;grid-template-columns:2fr 1fr;gap:16px}.sprint-controls label{margin-top:0}.sprint-switches,.sprint-toolbar{grid-column:1/-1}.sprint-switches{display:flex;flex-wrap:wrap;gap:20px}.sprint-switches label{display:flex;gap:8px;align-items:center}.sprint-switches input{width:auto}.sprint-toolbar{justify-content:flex-start}.sprint-section{margin:48px 0;scroll-margin-top:20px}.sprint-section-heading{display:flex;gap:20px;align-items:flex-start;margin-bottom:24px}.sprint-section-heading>span{font-family:Georgia,serif;font-size:48px;color:#8b9e75;line-height:1.1}.sprint-section-heading h2{font-size:30px;margin:0}.sprint-section-heading p{color:#647061;margin:8px 0;max-width:800px}.sprint-card{margin:18px 0}.sprint-card h3{font-size:24px;font-family:Georgia,serif;margin:20px 0 12px}.sprint-question{font-size:19px;font-weight:600;line-height:1.6}.sprint-direct-answer{background:#edf3e7;border-left:4px solid #749060;padding:16px 20px;font-size:18px;line-height:1.7}.sprint-explain{margin:20px 0}.sprint-explain p{margin:6px 0;line-height:1.8}.sprint-memory{display:flex;gap:14px;background:#faf2df;border:1px solid #e4d7b5;padding:18px;border-radius:12px}.sprint-memory>span{color:#97723c;font-size:23px}.sprint-memory p{margin:5px 0;line-height:1.7}.sprint-trap{font-size:14px;color:#694e36;line-height:1.7}.sprint-options{padding-left:28px}.sprint-options li{padding:6px;line-height:1.7}.sprint-sources summary{cursor:pointer;font-size:13px;color:#63765e}.sprint-sources p{margin:10px 0;font-size:13px}.sprint-card-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid #e1e6db;padding-top:18px;margin-top:20px}.sprint-card-footer small{max-width:65%;color:#687461}.sprint-more{margin:8px 0 20px}.sprint-answer[hidden]{display:none}.sprint-finish{margin-bottom:40px}.site-nav a[href="#revision"]{font-weight:700}@media(max-width:700px){.sprint-jumps,.sprint-controls{grid-template-columns:1fr}.sprint-jumps{gap:8px}.sprint-jumps a{padding:12px}.sprint-section-heading h2{font-size:25px}.sprint-section-heading>span{font-size:37px}.sprint-card h3{font-size:22px}.sprint-question{font-size:18px}.sprint-card-footer{align-items:flex-start;flex-direction:column}.sprint-card-footer small{max-width:100%}.sprint-card-footer button{width:100%}}@media print{header,footer,.sprint-jumps,.sprint-plan,.sprint-controls,.sprint-more,.sprint-card-footer button,.sprint-caveat{display:none!important}main{max-width:none;padding:0}.sprint-card{break-inside:avoid;padding:14px;border:1px solid #aaa;box-shadow:none}.sprint-answer[hidden]{display:block}.sprint-sources{display:none}.sprint-hero{display:block}.sprint-hero aside{display:none}.sprint-hero h1{font-size:30px}.sprint-section-heading h2{font-size:25px}.sprint-section{margin:24px 0}.sprint-direct-answer,.sprint-memory{print-color-adjust:exact;-webkit-print-color-adjust:exact}}
/* Keep long study text and grid children within the available reading width. */
main{overflow-wrap:anywhere}
main :is(section,article,aside,div){min-width:0}
select,input{min-width:0;max-width:100%}
@media screen and (max-width:700px){
  #predictor-content .ncert-controls{grid-template-columns:1fr!important}
  #predictor-content .stats{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  #predictor-content .stat strong{font-size:21px;line-height:1.35}
  #matrix-tables-wrapper>.card{padding:16px}
  #matrix-tables-wrapper h2{font-size:21px;line-height:1.4}
  #matrix-tables-wrapper .table-scroll{overflow:visible}
  .study-matrix,.study-matrix tbody,.study-matrix tr,.study-matrix td{display:block;width:100%;min-width:0}
  .study-matrix thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .study-matrix tbody{display:grid;gap:16px}
  .study-matrix tbody tr{border:1px solid #dce2d3;border-radius:12px;overflow:hidden;background:#fff}
  .study-matrix td{padding:12px 14px;line-height:1.65}
  .study-matrix td:last-child{border-bottom:0}
  .study-matrix td::before{content:attr(data-label);display:block;font-size:12px;font-weight:700;color:#617355;line-height:1.5;margin-bottom:5px}
  .study-matrix td:first-child{background:#edf3e7;font-size:17px;font-weight:700}
  .study-matrix td small{font-size:14px;line-height:inherit}
  .study-matrix .chip{display:inline-block;white-space:normal}
  main button,main .button,main select,main input:not([type=checkbox]){min-height:44px}
  main select,main input{font-size:16px!important}
  .ncert-list-toolbar,.ncert-pages{flex-wrap:wrap}
}
@media screen and (max-width:400px){
  #predictor-content .stats{grid-template-columns:1fr!important}
}
/* Quantitative aptitude reader: vertical content at every screen width. */
.quant-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.quant-controls{display:grid;grid-template-columns:2fr 1fr 1.4fr 1fr;gap:14px;align-items:end}
.quant-controls label{margin-top:0}
.quant-controls>button{justify-self:start}
.quant-question,.quant-concept{margin:18px 0}
.quant-question h2{font-size:20px;line-height:1.6;white-space:pre-line}
.quant-reference{font-size:12px;color:#637266;line-height:1.7}
.quant-solution summary{padding:14px 0;font-weight:700;cursor:pointer;color:#24543f}
.quant-solution li{padding:5px 0;line-height:1.75}
.quant-solution ol{padding-left:24px}
.quant-answer,.quant-formula{background:#edf3e7;border-radius:10px;padding:16px;line-height:1.7}
.quant-formula p{margin:9px 0}
.quant-formula h3{margin-top:0}
.quant-equation{margin:12px 0;padding:14px 16px;background:#fff;border:1px solid #cfdbca;border-left:3px solid #52755b;border-radius:6px;white-space:pre-wrap;overflow-wrap:anywhere;font:500 14px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;color:#183f36}
.quant-equation code{font:inherit;white-space:inherit}
.quant-tip{background:#faf2df;border-left:3px solid #b5883c;padding:14px 16px}
.quant-flag{background:#fff0d6;color:#74511d}
.quant-question-actions{margin-top:20px}
.quant-recall-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.quant-recall-grid h3{margin-top:0}
@media(max-width:800px){.quant-controls{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){
  .quant-controls,.quant-recall-grid{grid-template-columns:1fr}
  .quant-tabs{display:grid;grid-template-columns:1fr}
  .quant-tabs button{text-align:left}
  .quant-question h2{font-size:18px}
  .quant-question-actions{align-items:stretch;flex-direction:column}
  .quant-question-actions a{line-height:1.6}
  .quant-formula{padding:12px}
}
@media print{
  body:has(#quant-view) .quant-tabs,body:has(#quant-view) .notice,.quant-recall-heading button{display:none}
  .quant-recall-grid{display:block}
  .quant-recall-grid .card{break-inside:avoid;margin:10px 0;padding:12px}
}
/* Compact NCERT reader */
.ncert-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:30px 0 24px}.ncert-heading h1{font-size:clamp(30px,4vw,44px);line-height:1.12;margin:10px 0}.ncert-heading p{margin:12px 0 0;max-width:600px}.ncert-heading .button{white-space:nowrap}.ncert-controls{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.4fr;gap:12px;background:#fff;border:1px solid var(--line,#ddd);padding:16px;border-radius:14px}.ncert-controls label{display:block;font-size:12px;margin-bottom:6px}.ncert-controls select,.ncert-controls input{width:100%;min-width:0;font-size:13px}.ncert-list-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:16px 0 10px;font-size:13px;color:#59665f}.ncert-list-toolbar button{padding:7px 12px;font-size:12px}.ncert-question{background:#fff;border:1px solid #dfe4dc;border-radius:10px;margin:8px 0;overflow:hidden}.ncert-question>summary{display:flex;align-items:center;gap:16px;padding:14px 18px;list-style:none;cursor:pointer}.ncert-question>summary::-webkit-details-marker{display:none}.ncert-question>summary:focus-visible{outline:3px solid #9ab69e;outline-offset:-3px}.ncert-row-text{display:grid;gap:5px;flex:1;min-width:0}.ncert-ref{font-size:11px;color:#6d776f;letter-spacing:.025em}.ncert-row-title{font-size:15px;font-weight:600;line-height:1.4}.ncert-badge{font-size:10px;border-radius:20px;padding:5px 9px;background:#f4f0e8;color:#78612c;white-space:nowrap}.ncert-badge.direct{background:#e8eee3;color:#315540}.ncert-chevron{font-size:20px;color:#637569}.ncert-question[open]{border-color:#86a28c}.ncert-question[open] .ncert-chevron{transform:rotate(45deg)}.ncert-answer{padding:0 20px 18px 20px;border-top:1px solid #edf0e9;font-size:14px;line-height:1.65}.ncert-answer-fact{background:#f1f5ec;padding:12px 16px;border-radius:8px}.ncert-limit{color:#5b665e;font-size:13px}.ncert-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13px}.ncert-pages{display:flex;justify-content:center;align-items:center;gap:20px;margin:20px 0;font-size:13px}.ncert-pages button{padding:9px 14px}.ncert-pages button:disabled{opacity:.4;cursor:default}.ncert-method{font-size:12px;color:#6d776f;margin:24px 0}.ncert-method>summary{cursor:pointer;font-weight:600}.ncert-method p{max-width:850px;line-height:1.6}.ncert-empty{padding:24px;border:1px dashed #c6cfc4;border-radius:10px;color:#6b756a}@media(max-width:800px){.ncert-controls{grid-template-columns:1fr 1fr}.ncert-heading{align-items:flex-start;flex-direction:column;gap:14px}.ncert-heading .button{font-size:12px;padding:9px 14px}}@media(max-width:500px){.ncert-controls{padding:12px;gap:10px}.ncert-question>summary{gap:9px;padding:13px 12px}.ncert-badge{font-size:9px;max-width:82px;white-space:normal;text-align:center}.ncert-ref{font-size:10px}.ncert-row-title{font-size:14px}.ncert-answer{padding:0 12px 14px}.ncert-answer-fact{padding:10px}.ncert-pages{gap:12px}}


/* Universal Global Search */
.header-search-wrap{flex:1;max-width:320px;margin:0 16px}
.header-search-wrap input{padding:9px 16px;border-radius:24px;background:#edf2e8;border:1px solid #c6d3bf;font-size:14px;width:100%;transition:all .2s ease}
.header-search-wrap input:focus{background:#fff;border-color:#1c4f39;outline:none;box-shadow:0 0 0 3px rgba(28,79,57,0.15)}
.search-highlight{background:#fff3a8;color:#1a382c;padding:1px 4px;border-radius:3px;font-weight:600}
.search-chip:hover{background:#e8f4ec!important;border-color:#1b5037!important;color:#1b5037!important}
@media(max-width:900px){
  .header-search-wrap{order:3;width:100%;max-width:none;margin:12px 0 0 0}
}

/* Mistake Notebook & Re-Test Drill */
.button-active-tab{background:#163e37!important;color:#fff!important}
.drill-option-btn:hover:not(:disabled){background:#f0f5ee!important;border-color:#163e37!important}
.pred-option-btn:hover{background:#f4f7f2!important;border-color:#163e37!important}