@charset "UTF-8";
:root{--ink:#233e33;--muted:#63716a;--green:#244a3b;--green-dark:#173b2b;--lime:#d9ed9c;--line:#e1e5dd;--page:#f7f8f3;--paper:#fff;--soft:#edf1e6;--sidebar:267px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none;color:var(--ink);background:var(--page);font-size:14px;line-height:1.5}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit}button{color:inherit}a{text-decoration:none}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #78994b;outline-offset:4px}button{border:0;background:none}svg{flex-shrink:0}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:10px;left:10px;transform:translateY(-160%);padding:12px 18px;background:var(--green);color:white;z-index:10}.skip-link:focus{transform:none}
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var(--line);border-radius:9px;padding:22px}.paper-label{font-family:ui-monospace,SFMono-Regular,monospace;font-size:9px;letter-spacing:.6px;color:#849477;display:flex;justify-content:space-between}.paper-card h3{font-size:17px;letter-spacing:-.4px;font-weight:550;margin:12px 0 6px}.paper-card p{color:#8b967f;font-size:10px;margin:0 0 21px}.paper-card-actions{display:flex;align-items:center;gap:18px}.paper-note{padding-top:12px;font-size:10px;display:block;color:#897141;text-decoration:underline;text-underline-offset:3px}.paper-note:hover{color:#5d4a23}
@media(min-width:1550px){main{padding-left:65px;padding-right:65px}.topbar{padding-left:65px;padding-right:65px}.question-card{padding:22px 24px}}
@media(max-width:1170px){:root{--sidebar:242px}.brand{margin-left:21px;margin-right:18px}.brand strong{font-size:17px}.brand small{letter-spacing:1.5px}.topbar{padding:0 28px}main{padding:36px 28px 24px}.intro{gap:24px}.collection-summary{min-width:213px;padding-left:20px;gap:15px 10px}.collection-summary strong{font-size:27px}.intro h1{font-size:37px}.question-actions{gap:8px 12px}.question-card{padding:17px}.filter-control select{min-width:122px;max-width:185px}.sort-control select{min-width:117px}.filters{gap:9px}.question-card h3{font-size:13px}.collection-summary span:not(.status-dot){font-size:8px}.breadcrumb{font-size:10px}}
@media(max-width:940px){.intro{align-items:flex-start}.collection-summary{min-width:162px;grid-template-columns:repeat(3,1fr);padding-left:16px;gap:15px 8px}.collection-summary strong{font-size:24px}.collection-summary small{font-size:8px}.collection-summary span:not(.status-dot){white-space:normal}.intro h1{font-size:33px}.intro p{font-size:12px}.question-card{grid-template-columns:1fr;gap:12px}.question-actions{display:flex;justify-content:flex-end}.marks{margin-right:auto;text-align:left}.question-meta{font-size:9px}.sort-control{margin-left:0}.paper-pair{grid-template-columns:1fr}.topbar .breadcrumb{max-width:230px}.download-link{font-size:10px}.page-footer{flex-wrap:wrap}.page-footer details{min-width:200px}.selected-topic{align-items:flex-start}.selected-topic p{font-size:10px}.library-intro{align-items:flex-start;flex-direction:column;gap:8px}}
@media(max-width:760px){:root{--sidebar:275px}.sidebar{transform:translateX(-100%);transition:transform .2s ease}.sidebar.open{transform:none;box-shadow:10px 0 60px #17342120}.sidebar-backdrop{position:fixed;inset:0;background:#18332455;z-index:4;border:0}.workspace{margin-left:0}.menu-toggle{display:block;font-size:19px;line-height:1;padding:5px;color:#45613f}.topbar{height:62px;padding:0 22px}.topbar .breadcrumb{max-width:none}.brand{margin:23px}.brand strong{font-size:19px}.brand small{letter-spacing:1.9px}main{padding:34px 24px 24px}.intro{margin-bottom:29px}.intro h1{font-size:39px}.intro-copy{max-width:430px}.collection-summary{min-width:200px;padding-left:25px}.collection-summary span:not(.status-dot){font-size:9px}.collection-summary small{font-size:9px}.collection-summary strong{font-size:27px}.topic-button{font-size:12px;padding:10px}.topic-group h3{font-size:11px}.topic-code{font-size:11px}.question-card{grid-template-columns:1fr auto;gap:18px;padding:19px}.question-actions{display:grid;grid-template-columns:auto auto;gap:9px 14px}.marks{grid-column:1/-1;justify-content:flex-end;text-align:right;margin-right:0}.question-card h3{font-size:14px}.question-meta{font-size:10px}.filter-control select{min-width:139px;max-width:200px}.sort-control{margin-left:auto}.page-footer details{min-width:0}.paper-pair{grid-template-columns:1fr 1fr}.library-intro{flex-direction:row;align-items:center}}
@media(max-width:560px){.topbar{padding:0 15px;gap:10px}.topbar-start{gap:6px}.breadcrumb{font-size:10px}.breadcrumb span{padding:0 5px}.breadcrumb strong{display:none}.breadcrumb span{display:none}.download-link{font-size:10px;gap:6px}main{padding:29px 17px 22px}.intro{display:block}.eyebrow{font-size:8px;letter-spacing:1.5px}.intro h1{font-size:36px;letter-spacing:-1.35px;line-height:1.15}.intro p{font-size:12px;max-width:100%;line-height:1.75}.collection-summary{margin-top:23px;padding:17px 0 0;border-left:0;border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:7px 20px}.collection-summary>div{flex-direction:row;align-items:baseline;gap:7px}.collection-summary strong{font-size:24px}.collection-summary span:not(.status-dot){font-size:8px;margin:0;white-space:normal;line-height:1.3}.collection-summary small{font-size:8px;margin-top:8px}.intro{margin-bottom:23px}.search-box{padding:0 13px;gap:9px;height:51px}.search-box input{font-size:12px}.search-box kbd{display:none}.filters{display:grid;grid-template-columns:1fr 1fr;gap:12px 10px;padding:15px 0 18px}.filter-control{min-width:0}.filter-control select{min-width:0;max-width:none;width:100%;font-size:10px;padding-right:24px;height:37px}.sort-control{margin:0}.reset-filters{justify-self:start;padding-left:0;grid-column:1/-1}.selected-topic{padding:12px;gap:8px;flex-direction:column}.selected-topic p{font-size:10px}.selected-topic a{font-size:10px}.results-toolbar{padding:18px 0 13px;align-items:flex-start}.results-toolbar>div{flex-direction:column;gap:3px}.results-toolbar h2{font-size:13px}.results-toolbar #result-detail{font-size:9px}.related-toggle{font-size:9px;gap:5px;max-width:120px;padding-top:3px}.question-card{grid-template-columns:1fr;gap:14px;padding:17px}.question-card h3{font-size:14px;line-height:1.5;margin-bottom:9px}.question-tags{gap:5px}.subtopic-label{font-size:9px}.question-meta{font-size:9px;gap:6px}.question-actions{display:flex;align-items:center;gap:15px}.marks{margin-right:auto;text-align:left;justify-content:flex-start}.scheme-link{font-size:10px}.question-link{font-size:10px;padding:9px 11px;gap:10px}.pagination{flex-direction:column;align-items:center;gap:13px}.page-button{min-width:31px;padding:0 8px}.page-footer{padding-top:23px;margin-top:29px;gap:17px;flex-direction:column;font-size:9px}.page-footer details{max-width:100%;width:100%;text-align:left}.source-details{padding:13px;font-size:10px}.paper-pair{grid-template-columns:1fr}.library-intro{flex-direction:column;align-items:flex-start;gap:9px}.paper-card{padding:20px}.paper-card h3{font-size:17px}.paper-year h2{font-size:18px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}