.filter-shell{max-width:1160px}.filter-layout{display:grid;grid-template-columns:360px 1fr;gap:24px;align-items:start}.primary{background:var(--accent);color:#182235}.primary:hover{filter:brightness(1.08)}.text-link{color:var(--muted);text-decoration:none;font-size:14px}.text-link:hover{color:var(--ink)}.selection-preview{padding:34px;min-height:330px}.selection-preview h2{font-size:28px;line-height:1.25;margin:8px 0 12px}.preview-stats{display:flex;gap:38px;margin-top:44px}.preview-stats strong{display:block;color:var(--accent);font-size:34px;line-height:1}.preview-stats span{display:block;color:var(--muted);font-size:13px;margin-top:7px}.preview-rule{height:1px;background:var(--line);margin:42px 0 18px}.small{font-size:13px}.paper-shell{max-width:980px;margin:auto;padding:48px 28px 90px}.paper-heading{border-bottom:2px solid #d8dce4;padding-bottom:28px;margin-bottom:28px}.paper-heading h1{font-size:34px;line-height:1.2;margin:0 0 9px;color:#101827}.paper-page{background:#f1f3f7;color:#101827}.paper-page .topbar{background:#101b2b;color:var(--ink)}.paper-list{background:white;padding:40px 56px;box-shadow:0 10px 35px #0b152622}.paper-question{padding:0 0 34px;margin:0 0 34px;border-bottom:1px solid #d9dee7;break-inside:avoid}.paper-question:last-child{border-bottom:0}.paper-question-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}.paper-number{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:#17283c;color:#fff;font-weight:800}.paper-id{font:700 14px ui-monospace,monospace;color:#e4863e}.paper-stars{margin-left:auto;color:#e4863e;font-size:16px}.empty-stars{color:#b8c0cc}.paper-question img{display:block;max-width:100%;max-height:900px;margin:12px auto;border:1px solid #e1e5eb}.paper-text{font-size:18px;line-height:1.8;margin:12px 0 18px}.paper-text h3{font-size:19px}.paper-text .math{font-family:Georgia,serif;text-align:center;font-size:21px;margin:10px}.answer-lines{display:flex;align-items:end;gap:8px;color:#647184;font-size:14px;margin-top:20px}.answer-lines i{height:24px;flex:1;border-bottom:1px solid #aeb7c4}.paper-toolbar .button{font-size:13px;padding:8px 12px}@media(max-width:820px){.filter-layout{grid-template-columns:1fr}.selection-preview{min-height:0}.paper-list{padding:26px 20px}}@media print{body.paper-page{background:#fff}.paper-toolbar{display:none!important}.paper-shell{padding:0;max-width:none}.paper-heading{padding:0 0 18px;margin-bottom:24px}.paper-heading h1{font-size:25px}.paper-list{padding:0;box-shadow:none}.paper-question{padding-bottom:24px;margin-bottom:24px}.paper-question img{max-height:780px}.answer-lines{display:none}}
.paper-score{color:#198f7f;font-weight:700;min-height:1.6em}.answer-area{display:flex;flex-direction:column;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid #d9dee7}.answer-fields{display:flex;flex-direction:column;gap:10px}.answer-field{display:flex;align-items:center;gap:10px;color:#647184;font-size:15px}.answer-field span:first-child{min-width:58px}.answer-field input{flex:1;margin:0;border:0;border-bottom:1px solid #aeb7c4;border-radius:0;background:transparent;color:#101827;padding:5px 3px;font:inherit;outline:none}.answer-field input:focus{border-color:#e4863e}.answer-submit{align-self:flex-start;background:#e4863e;color:#fff}.answer-result{font-size:14px;min-width:72px}.answer-result.correct,.answer-feedback.correct{color:#198f7f}.answer-result.incorrect,.answer-feedback.incorrect{color:#d25e55}.answer-feedback{margin:0;font-size:14px}.answer-unavailable{color:#647184}.answer-unavailable em{font-style:normal;color:#9aa6b6}@media print{.answer-submit,.answer-feedback,.answer-result{display:none}.answer-area{border-top:0}.answer-field input{border-bottom:1px solid #aeb7c4}}
.reference-area{margin-top:20px;padding-top:16px;border-top:1px solid #e1e5eb}.reference-toggle{border:1px solid #c6ced9;border-radius:8px;background:#f7f8fa;color:#526276;padding:7px 12px;font:inherit;font-size:14px;cursor:pointer}.reference-toggle:hover{border-color:#e4863e;color:#e4863e}.reference-panel{margin-top:14px;padding:14px 16px;background:#f7f8fa;border-left:3px solid #e4863e;color:#526276;line-height:1.75}.reference-panel p{margin:0 0 10px}.reference-panel p:last-child{margin-bottom:0}.reference-panel a{color:#3578ad}.reference-panel .math{text-align:center;font-size:19px}@media print{.reference-area{display:none!important}.answer-unavailable{display:none!important}.answer-field input{color:transparent!important;-webkit-text-fill-color:transparent!important}}
.paper-page .paper-question{break-inside:auto;page-break-inside:auto}.paper-page .paper-question-head{break-after:avoid;page-break-after:avoid}.paper-page .paper-text{break-after:avoid;page-break-after:avoid}
.paper-page .paper-score:empty{display:none}@media print{.paper-heading{padding-bottom:10px;margin-bottom:14px}.paper-heading .eyebrow{display:none}.paper-heading h1{font-size:22px;margin-bottom:2px}.paper-heading .muted{font-size:12px}.paper-list{padding:20px 40px}}