/* अध्ययनसार — स्थायी खुला पठन-प्रवाह; सभी पूर्ण पृष्ठों की अंतिम साझा परत. */
body[data-as-layout="study"]{background:var(--ds-bg);color:var(--ds-text);font-family:var(--ds-font-body);--as-bottom-offset:0px}
body[data-as-layout="study"] main{min-width:0}
body[data-as-layout="study"] :where(h1,h2,h3,h4){letter-spacing:normal;font-weight:700;line-height:1.45;text-wrap:pretty}
body[data-as-layout="study"] h1{font-size:var(--ds-text-h1)}
body[data-as-layout="study"] :where(a,button,input,select,summary,textarea):focus-visible{outline:3px solid var(--ds-focus);outline-offset:3px}
body[data-as-layout="study"] :where(img,video,canvas){max-width:100%;height:auto}
body[data-as-layout="study"] :where(input,select,textarea){max-width:100%;color:var(--ds-text);background:var(--ds-surface);border-color:var(--ds-border)}
body[data-as-layout="study"] :where(.as-shell,.shell){width:min(var(--ds-shell-max),calc(100% - 48px));margin-inline:auto}
body[data-as-layout="study"] :where(.as-breadcrumb,.breadcrumb,.note-breadcrumb,.eth-crumb,.gs4-crumb,.ca-breadcrumb){color:var(--ds-text-muted);font-size:.875rem;line-height:1.7;overflow-wrap:anywhere}
body[data-as-layout="study"] .as-reading-content{
 width:min(var(--ds-reading-max),calc(100% - 40px));max-width:var(--ds-reading-max);min-width:0;
 margin:32px auto 64px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;overflow-wrap:anywhere;
}
body[data-as-layout="study"] .as-reading-content.as-article{max-width:var(--ds-reading-max)}
body[data-as-layout="study"] .as-reading-content :is(section,.note-section,.ho-card,.mcat-section):not([data-audio-exclude]){padding:0;margin-block:2rem;border:0;border-radius:0;background:transparent;box-shadow:none;min-width:0}
body[data-as-layout="study"] .as-reading-content :is(.note-head,.note-panel,.note-card,.ds-reading-card,.as-article-body,.mcat-thesis){padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}
body[data-as-layout="study"] .as-reading-content :is(p,li,dd,blockquote){font-size:var(--as-reader-font);line-height:var(--ds-leading-body);color:var(--ds-text);text-align:start;letter-spacing:normal}
body[data-as-layout="study"] .as-reading-content p{margin:0 0 1.1em;max-width:none}
body[data-as-layout="study"] .as-reading-content :is(ul,ol){margin:.7em 0 1.35em;padding-inline-start:1.4em}
body[data-as-layout="study"] .as-reading-content li+li{margin-top:.45em}
body[data-as-layout="study"] .as-reading-content strong{font-weight:650;color:var(--ds-heading)}
body[data-as-layout="study"] .as-reading-content a{color:var(--ds-primary);text-underline-offset:.2em;overflow-wrap:anywhere}
body[data-as-layout="study"] .as-reading-content :is(h2,h3,h4,h5){background:none;border:0;border-radius:0;padding:0;color:var(--ds-heading);scroll-margin-top:100px}
body[data-as-layout="study"] .as-reading-content h2{font-size:var(--ds-text-h2);margin:2.1rem 0 .85rem;line-height:1.5}
body[data-as-layout="study"] .as-reading-content h3{font-size:var(--ds-text-h3);margin:1.7rem 0 .7rem}
body[data-as-layout="study"] .as-reading-content :is(h4,h5){font-size:var(--ds-text-h4);margin:1.3rem 0 .65rem}
body[data-as-layout="study"] .as-reading-content :is(blockquote,.mcat-note,.note-callout,.fact-box,.ds-study-box,.key-box){margin:1.5rem 0;padding:1rem 1.25rem;border:0;border-inline-start:3px solid var(--ds-primary);border-radius:0;background:var(--ds-surface-soft);box-shadow:none;color:var(--ds-text)}
body[data-as-layout="study"] .as-reading-content :is(.ca-key-box,.ca-exam-box,.ca-static-box,.mcat-answer){padding:1rem 1.25rem;border:0;border-inline-start:3px solid var(--ds-primary);border-radius:0;background:var(--ds-surface-soft);color:var(--ds-text)}
body[data-as-layout="study"] .as-reading-content :is(.ca-topic-head,.ho-hero){padding:0 0 1.5rem;background:transparent;border:0;border-bottom:1px solid var(--ds-border);border-radius:0;box-shadow:none}
body[data-as-layout="study"] .as-reading-content :is(.ca-topic-head h1,.ho-hero h1,.note-head h1){color:var(--ds-heading);font-size:var(--ds-text-h1)}
body[data-as-layout="study"] :is(.mcat-hero,.mcs-hero,.mca-hero,.mhh-hero,.mh-hero,.mol-hero,.moh-hero,.bps-hero){padding:28px 0;background:var(--ds-surface);border-bottom:1px solid var(--ds-border);color:var(--ds-text)}
body[data-as-layout="study"] :is(.mcat-hero,.mcs-hero,.mca-hero,.mhh-hero,.mh-hero,.mol-hero,.moh-hero,.bps-hero) :is(h1,p,span,small,a){color:var(--ds-text)}
body[data-as-layout="study"] :is(.mcat-hero,.mcs-hero,.mca-hero,.mh-hero) h1{max-width:var(--ds-reading-max);line-height:1.45}
body[data-as-layout="study"] :is(.ho-nav,.mcat-nav,.note-nav,.ds-prev-next){margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--ds-border)}
.as-reading-layout{display:grid;grid-template-columns:minmax(0,51rem) minmax(13rem,17rem);gap:48px;width:min(var(--ds-shell-max),calc(100% - 48px));margin:32px auto 64px;align-items:start}
body[data-as-layout="study"] .as-reading-layout>.as-reading-content{width:100%;margin:0;padding:0;min-width:0;max-width:none}
.as-reading-layout+.as-reading-layout{margin-top:0}
.as-study-outline{position:sticky;top:94px;max-height:calc(100vh - 120px);overflow-y:auto;border-inline-start:1px solid var(--ds-border);padding-inline-start:24px;font-size:.9rem;scrollbar-width:thin}
.as-study-outline summary{display:block;padding:0 0 12px;font-size:1rem;font-weight:700;color:var(--ds-heading);cursor:pointer;list-style:none}
.as-study-outline summary::-webkit-details-marker{display:none}
.as-study-outline nav{display:flex;flex-direction:column;gap:2px}
.as-study-outline a{display:block;padding:7px 9px;border-inline-start:2px solid transparent;color:var(--ds-text-muted);text-decoration:none;line-height:1.6;font-size:.875rem;overflow-wrap:anywhere}
.as-study-outline a[data-depth="3"]{padding-inline-start:18px;font-size:.8125rem}
.as-study-outline a:hover,.as-study-outline a[aria-current="location"]{color:var(--ds-primary);border-inline-start-color:var(--ds-primary);background:var(--ds-surface-soft)}
.as-reader-tools{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin:0 0 20px;padding:8px 0 14px;border-bottom:1px solid var(--ds-border);color:var(--ds-text-muted)}
.as-reader-tools span{font-size:.875rem;margin-inline-end:6px}
.as-reader-tools button{min-width:44px;min-height:44px;padding:7px 12px;border:1px solid var(--ds-border);border-radius:var(--ds-radius-sm);background:var(--ds-surface);color:var(--ds-text);font:600 .875rem/1.5 var(--ds-font-body);cursor:pointer}
.as-reader-tools button[aria-pressed="true"]{color:var(--ds-primary);background:var(--ds-surface-soft)}
.as-reader-tools .as-reader-spacer{margin-inline-start:auto}
.as-original-toc{display:none}
.as-table-scroll{max-width:100%;overflow:auto;margin:1.4rem 0;overscroll-behavior-inline:contain;border:1px solid var(--ds-border);border-radius:var(--ds-radius-sm);background:var(--ds-surface);scrollbar-width:thin}
.as-table-scroll:focus-visible{outline:3px solid var(--ds-focus);outline-offset:3px}
body[data-as-layout="study"] .as-reading-content table{display:table;width:100%;min-width:0;margin:0;border-collapse:collapse;background:var(--ds-surface);color:var(--ds-text);font-size:1rem;line-height:1.75}
body[data-as-layout="study"] .as-reading-content :is(th,td){padding:12px 14px;border:1px solid var(--ds-border);color:var(--ds-text);vertical-align:top;text-align:start;font-size:1rem;line-height:1.75;min-width:8rem}
body[data-as-layout="study"] .as-reading-content th{background:var(--ds-surface-soft);color:var(--ds-heading);font-weight:650}
body[data-as-layout="study"] .as-reading-content tr:nth-child(even) td{background:color-mix(in srgb,var(--ds-surface-soft) 45%,var(--ds-surface))}
body[data-as-layout="study"] .as-reading-content :is(td,th) :is(p,li){font-size:1rem;line-height:1.75}
body[data-as-layout="study"] .as-reading-content :is(figure,.mcat-visual){margin:1.5rem 0;max-width:100%;overflow:auto}
body[data-as-layout="study"] .as-reading-content svg{max-width:100%;height:auto}
body[data-as-layout="study"] :is(.mcat-visual,.note-map,.geo-diagram) svg{background:#fff;border-radius:var(--ds-radius-sm)}
body[data-as-layout="study"] :is(.topic500-list,.topic500-group,.gs4-list,.gs4-row,.mhh-row,.mcs-row,.mca-subject,.geo-card,.economics-chapter-list,.history-topic-list){box-shadow:none;border-radius:var(--ds-radius-sm)}
body[data-as-layout="study"] :is(.topic500-group h2,.topic500-group h3,.section-line){color:var(--ds-heading);background:var(--ds-surface-soft);border-bottom:1px solid var(--ds-border)}
body[data-as-layout="study"] :is(.topic500-name,.gs4-row strong,.mcs-row strong,.mhh-row strong){color:var(--ds-heading)}
body[data-as-layout="study"] :is(.eth-note,.gs4-index){max-width:var(--ds-shell-max)}
body[data-as-layout="study"] :is(.eth-note,.gs4-index)>h1{color:var(--ds-heading)}
body[data-as-layout="study"] :is(.ts-test-card,.ts-rule-strip,.ts-hero,.ts-workspace,.ts-result,.ts-review,.bps-card){box-shadow:none}
body[data-as-layout="study"].ts-page{--ts-text:var(--ds-text);--ts-muted:var(--ds-text-muted);--ts-line:var(--ds-border);--ts-bg:var(--ds-bg);--ts-card:var(--ds-surface);--ts-primary:var(--ds-primary);--ts-navy:var(--ds-heading);--ts-soft:var(--ds-surface-soft)}
.as-header-actions{display:flex;align-items:center;gap:4px;margin-inline-start:8px}
.as-header-actions .as-auth-slot a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border:1px solid var(--ds-border);border-radius:var(--ds-radius-sm);color:var(--ds-primary);text-decoration:none;font-size:.875rem;font-weight:650}
.as-header-actions .as-nav-theme{width:44px;min-width:44px;height:44px;background:transparent;border:0;color:var(--ds-text);display:grid;place-items:center;padding:0}
.as-header-actions .as-nav-theme svg{width:22px;height:22px}
.as-header-actions .as-nav-theme .as-theme-label{display:none}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.ds-nav>a.as-nav-mobile-login{display:none}
body[data-as-layout="study"] .ds-brand-copy small{display:none}
body[data-as-layout="study"] .ds-brand-mark{border:0;background:none;width:36px;height:36px}
body[data-as-layout="study"] .ds-brand-copy strong{font-size:1.0625rem}
body[data-as-layout="study"] .ds-site-header{background:var(--ds-surface);backdrop-filter:none}
body[data-as-layout="study"] .ds-footer{background:var(--ds-surface);box-shadow:none}
body[data-as-layout="study"] .ds-report-issue{background:var(--ds-bg);border-top:1px solid var(--ds-border)}
.as-reading-progress{position:fixed;top:0;inset-inline:0;height:3px;z-index:1500;pointer-events:none;background:transparent}
.as-reading-progress>span{display:block;height:100%;width:0;background:var(--ds-primary)}
.as-mobile-readerbar{display:none}
@media(max-width:63.999rem){
 .as-reading-layout{grid-template-columns:minmax(0,1fr);gap:24px;width:min(var(--ds-reading-max),calc(100% - 40px));margin-block:24px 48px}
 .as-study-outline{position:static;grid-row:1;border:1px solid var(--ds-border);padding:12px 16px;border-radius:var(--ds-radius-sm);max-height:none;background:var(--ds-surface)}
 .as-study-outline:not([open]) nav{display:none}
 .as-study-outline summary{display:list-item;list-style:disclosure-closed;padding:0;font-size:.9375rem}
 .as-study-outline[open] summary{list-style:disclosure-open;margin-bottom:8px}
 .as-study-outline nav{max-height:45vh;overflow:auto}
 .as-study-outline a{min-height:44px;display:flex;align-items:center}
}
@media(max-width:900px){.as-header-actions{margin-inline-start:0}.as-header-actions .as-menu-toggle{margin:0}.as-header-actions .as-theme-label{display:none}.as-header-actions .as-nav-icon{width:44px;flex:0 0 44px;justify-content:center;padding:0}.ds-nav>a.as-nav-mobile-login{display:flex}.as-header-actions .as-auth-slot{display:none}.ds-nav{z-index:1300;max-height:calc(100dvh - 100px);overflow-y:auto}}
@media(max-width:47.999rem){
 body[data-as-layout="study"]{--as-bottom-offset:68px;padding-bottom:calc(var(--as-bottom-offset) + env(safe-area-inset-bottom))}
 body[data-as-layout="study"] :where(.as-shell,.shell){width:calc(100% - 32px)}
 body[data-as-layout="study"] .as-reading-content{width:calc(100% - 32px);margin-top:24px}
 .as-reading-layout{width:calc(100% - 32px);margin-block:20px 40px}
 body[data-as-layout="study"] .as-reading-layout>.as-reading-content{width:100%}
 body[data-as-layout="study"] .eth-note{padding-inline:16px}
 .eth-note>.as-reading-layout{width:100%;margin-inline:0}
 body[data-as-layout="study"] .as-reading-content :is(h1,h2,h3){text-wrap:pretty;line-height:1.5}
 body[data-as-layout="study"] .as-reading-content h2{margin-top:1.8rem}
 body[data-as-layout="study"] .as-reading-content :is(blockquote,.mcat-note,.ca-key-box,.ca-static-box){padding:12px 14px}
 body[data-as-layout="study"] .as-reading-content :is(td,th){padding:10px 12px;font-size:1rem;min-width:9rem}
 .as-reader-tools{gap:5px}.as-reader-tools button{padding:7px 9px}.as-reader-tools .as-reader-spacer{margin-inline-start:0}
 .as-mobile-readerbar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;inset-inline:0;bottom:0;z-index:1200;min-height:64px;padding:5px 12px calc(5px + env(safe-area-inset-bottom));background:var(--ds-surface);border-top:1px solid var(--ds-border)}
 .as-mobile-readerbar button{min-height:44px;padding:7px 4px;border:0;background:transparent;color:var(--ds-text);font:600 .875rem/1.5 var(--ds-font-body);cursor:pointer}
 .as-mobile-readerbar button[aria-pressed="true"]{color:var(--ds-primary);background:var(--ds-surface-soft)}
 body[data-as-layout="study"] .ds-mobile-nav{background:var(--ds-surface);border-top:1px solid var(--ds-border);box-shadow:none}
 body[data-as-layout="study"] .ds-mobile-nav :is(a,button){color:var(--ds-text-muted)}
 body[data-as-layout="study"] .ds-mobile-nav .active{color:var(--ds-primary)}
 .as-reader-tools [data-reader-share],.as-reader-tools [data-reader-bookmark]{display:none}
}
@media(prefers-reduced-motion:reduce){body[data-as-layout="study"] *,body[data-as-layout="study"] *::before{scroll-behavior:auto;transition:none;animation:none}}
@media print{.as-site-chrome,.as-study-outline,.as-reader-tools,.as-study-audio,.as-mobile-readerbar,.ds-mobile-nav,.ds-report-issue,.as-search-overlay,.as-reading-progress{display:none}.as-reading-layout{display:block;width:100%;margin:0}body[data-as-layout="study"]{background:#fff;color:#111;padding:0}body[data-as-layout="study"] .as-reading-content{max-width:none;width:100%;margin:0}body[data-as-layout="study"] .as-reading-content :is(p,li,h1,h2,h3,h4,strong,a,th,td){color:#111}.as-table-scroll{overflow:visible}}

.as-site-chrome{position:sticky;top:0;z-index:1100}
/* Exam controls inherit the same accessible palette in both themes. */
body[data-as-layout="study"].ts-page{--ts-ink:var(--ds-text);--ts-blue:var(--ds-primary);--ts-blue-2:var(--ds-primary-strong);--ts-green:var(--ds-success);--ts-red:var(--ds-danger);--ts-purple:var(--ds-primary);--ts-saffron:var(--ds-warning)}
body[data-as-layout="study"] :is(h1,h2,h3,h4){font-family:var(--ds-font-body)}
body[data-as-layout="study"] .ts-progress>span{background:var(--ds-primary)}
body[data-as-layout="study"] .ts-hero::after{display:none}
body[data-as-layout="study"] :is(.ts-test-card,.ts-rule-grid,.ts-paper-card,.ts-workspace,.ts-result,.ts-review){border-radius:var(--ds-radius-card)}
body[data-as-layout="study"] .ts-instructions ol{font-size:1rem;line-height:1.85}
body[data-as-layout="study"] .as-home h2{font-size:1.375rem;line-height:1.5}
.as-home .hp-continue{padding:0;margin:16px 0 24px;background:transparent;border:0}
.as-home .hp-continue-head{margin:0 0 8px;display:flex;justify-content:space-between;align-items:center}
.as-home .hp-continue-head span{display:none}
body[data-as-layout="study"] .as-home .hp-continue h2{font-size:1rem;margin:0}
.as-home .hp-continue-grid{display:flex;flex-wrap:wrap;gap:8px 24px;padding-bottom:12px;border-bottom:1px solid var(--ds-border)}
.as-home .hp-continue-grid a{padding:0;background:transparent;border:0;color:var(--ds-primary);font-size:.875rem}
.as-home .hp-continue-grid a span{display:none}
body[data-as-layout="study"] .ts-submit-auth-note{background:var(--ds-surface-soft);border:1px solid var(--ds-border);border-inline-start:3px solid var(--ds-primary);border-radius:var(--ds-radius-sm);padding:16px}
body[data-as-layout="study"] .ts-submit-auth-note strong{font-size:1rem;color:var(--ds-heading)}
body[data-as-layout="study"] .ts-submit-auth-note :is(span,a){font-size:.9375rem;line-height:1.8}
body[data-as-layout="study"] .ts-question-text{font-size:1.125rem;line-height:1.85;font-weight:500}
body[data-as-layout="study"] .ts-option{font-size:1rem;line-height:1.75}
body[data-as-layout="study"] .ca-topic-shell{width:min(var(--ds-shell-max),calc(100% - 48px));max-width:var(--ds-shell-max)}
body[data-as-layout="study"] :is(.as-shell,.shell,.ca-topic-shell)>.as-reading-layout{width:100%;margin-inline:0}
body[data-as-layout="study"] .ca-topic-article .ca-topic-head>p{font-size:var(--as-reader-font);line-height:var(--ds-leading-body)}
body[data-as-layout="study"] .as-reading-content .as-study-audio__voice summary{padding:0;background:transparent;border:0;color:var(--ds-text-muted);font-size:.8125rem;min-height:28px}
@media(max-width:47.999rem){body[data-as-layout="study"] .ca-topic-shell{width:calc(100% - 32px)}}