@charset "UTF-8";
:root{color-scheme:light;--bg:#f4f3ef;--paper:#fffefa;--ink:#242c29;--muted:#7b817a;--line:#e3e4dc;--green:#244d41;--pale:#eaf0e8;--gold:#967745;--serif:Georgia,"Times New Roman","Songti SC",SimSun,serif;--sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 var(--sans)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.38}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #bc9f60;outline-offset:3px}button{color:inherit}a{color:var(--green)}[hidden]{display:none!important}.skip-link{position:absolute;left:20px;top:-60px;z-index:100;background:white;padding:12px}.skip-link:focus{top:10px}.topbar{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 40px;background:#fafaf7}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:650;letter-spacing:2px}.brand-mark{display:grid;place-items:center;width:37px;height:40px;border-radius:7px;background:var(--green);color:#f7f2e6;font:25px var(--serif)}.brand-sub{display:block;font:9px var(--sans);letter-spacing:2.3px;color:var(--muted);margin-top:2px}.toplinks{display:flex;gap:36px;align-items:center;height:100%}.toplink{font-size:13px;letter-spacing:1px;border:0;background:none;padding:28px 0 24px;color:var(--muted);height:100%}.toplink.active{color:var(--green);border-bottom:2px solid var(--green);font-weight:600}.top-right{display:flex;align-items:center;gap:12px}.local-hint{font-size:11px;color:var(--muted);display:flex;gap:7px;align-items:center}.status-dot{background:#6d8b67;width:5px;height:5px;border-radius:50%}.app-layout{display:grid;grid-template-columns:224px minmax(0,1fr);max-width:1640px;margin:auto}.sidebar{padding:34px 24px 30px 30px;position:sticky;top:0;align-self:start;height:calc(100vh - 10px);max-height:1000px;display:flex;flex-direction:column}.year-label,.nav-heading,.tiny-label{font-size:10px;letter-spacing:1.2px;color:var(--muted)}.year-card{display:flex;gap:12px;align-items:center;padding:16px 0 24px;border-bottom:1px solid var(--line);margin-bottom:25px}.year-number{font:36px var(--serif);letter-spacing:-2px;color:var(--green)}.year-card>span:last-child{font-size:9px;color:var(--muted);line-height:1.8}.year-card strong{font-weight:500;color:var(--ink);font-size:12px}.nav-heading{display:flex;justify-content:space-between;margin-bottom:14px}.nav-heading span{font-size:9px;letter-spacing:0;opacity:.7}#section-nav{display:flex;flex-direction:column;gap:3px}.nav-group{color:#8b9089;font-size:10px;margin:17px 12px 5px;letter-spacing:.7px}.nav-item{display:flex;align-items:center;width:100%;gap:10px;text-align:left;border:0;background:none;border-radius:5px;padding:10px 12px;color:#737b73;font-size:12px}.nav-item:hover{background:#e9ebe4}.nav-item[aria-current="true"]{background:var(--pale);color:var(--green);font-weight:650}.nav-number{font:11px var(--serif);color:#9aa292;min-width:17px}.nav-item[aria-current="true"] .nav-number{color:var(--green)}.nav-item .nav-range{margin-left:auto;font-size:10px;font-weight:400;color:#9aa096}.sidebar-bottom{margin-top:30px;border-top:1px solid var(--line);padding-top:20px}.progress-text{display:flex;align-items:baseline;gap:6px;margin:5px 0 10px}.progress-text strong{font:30px var(--serif);color:var(--green)}.progress-text span{color:var(--muted);font-size:11px}progress{width:100%;height:4px;border:0;background:#e0e4d9;accent-color:var(--green)}progress::-webkit-progress-bar{background:#e0e4d9;border-radius:3px}progress::-webkit-progress-value{background:var(--green);border-radius:3px}.sidebar-bottom p{color:#969b92;font-size:10px;line-height:1.8}.text-button{border:0;background:none;padding:5px 0;color:var(--muted);font-size:11px;text-decoration:underline;text-underline-offset:3px}.main{min-width:0;padding:33px 38px 0 25px}.paper-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 28px}.eyebrow{font-size:9px;color:var(--gold);letter-spacing:1.8px;font-weight:600}.paper-heading h1{font:38px/1.2 var(--serif);letter-spacing:1px;margin:7px 0 8px}.paper-heading h1 span{font-size:29px}.paper-heading p{font-size:11px;color:var(--muted);margin:0;letter-spacing:.4px}.paper-meta{display:flex;align-items:center;gap:17px;font-size:10px;color:var(--muted)}.paper-meta b{font:20px var(--serif);color:#464f47;margin-right:4px}.paper-meta i{height:20px;width:1px;background:var(--line)}.outline-chip{border:1px solid #d7ddcf;padding:5px 9px;border-radius:3px;font-size:10px;letter-spacing:.5px;margin-left:8px;color:#70806b}.workspace{background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:0 6px 20px #222a2004;overflow:hidden}.section-top{padding:23px 29px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}.section-top h2{font:26px/1.3 var(--serif);margin:5px 0 0;letter-spacing:-.3px}.reader-tools{display:flex;align-items:center;gap:9px}.icon-button{border:0;background:none;padding:5px;color:#7c847a;min-width:28px;height:30px}.icon-button:hover{background:#f0f1eb;border-radius:4px}.tool-divider{width:1px;height:18px;background:var(--line);margin:0 3px}.timer{display:flex;align-items:center;gap:7px;border:0;background:none;padding:5px;color:#6e796e;font-size:11px;font-variant-numeric:tabular-nums}.timer>span:first-child{font-size:18px}.timer>span:last-child{font-size:9px;color:#9a9f94}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:start}.paper-content{padding:29px 33px 32px;min-width:0;font:18px/1.85 var(--serif);overflow-wrap:break-word}.paper-content:focus{outline:none}.paper-content>p{margin:0 0 22px}.paper-content>p:last-child{margin-bottom:0}.directions{border-left:2px solid #c8cebd;padding-left:15px;margin-bottom:26px;color:#7c8374;font:italic 13px/1.7 var(--serif)}.directions strong{display:block;font:11px var(--sans);letter-spacing:.5px;margin-bottom:6px;color:#6c7965}.paper-content .paragraph-number{font:10px var(--sans);color:#bbc1b3;margin-right:8px;vertical-align:top;line-height:3}.blank{border:0;border-bottom:1px solid #8b9d87;border-radius:2px 2px 0 0;background:#eef1e7;min-width:34px;padding:0 6px;font:14px/1.4 var(--serif);color:var(--green);margin:0 3px}.blank.answered{background:#dbe7d7}.question-panel{border-left:1px solid var(--line);background:#f9faf5;max-height:750px;overflow:auto;scrollbar-width:thin;scrollbar-color:#d5dbce transparent;min-width:0}.questions-heading{position:sticky;top:0;z-index:1;display:flex;justify-content:space-between;align-items:center;padding:17px 20px;border-bottom:1px solid var(--line);background:#f9faf5;font-size:11px;letter-spacing:.6px}.questions-heading>span:last-child{font-size:10px;color:#8a9484;letter-spacing:0}.question-card{padding:18px 18px;border-bottom:1px solid #e7eadf;scroll-margin-top:56px;transition:background .2s}.question-card.focused{background:#e8eedf}.q-title{font:14px/1.6 var(--serif);margin:0 0 12px}.q-title b{display:inline-grid;place-items:center;width:24px;height:24px;font:12px var(--sans);border:1px solid #dce2d5;background:#fffef9;border-radius:4px;margin-right:7px;color:#687e60;vertical-align:middle}.options{display:grid;gap:6px}.options.compact{grid-template-columns:1fr 1fr}.option{position:relative;display:flex;align-items:flex-start;gap:8px;padding:8px;border:1px solid #dfe4d8;border-radius:4px;background:#fffefa;cursor:pointer;font:13px/1.4 var(--serif);min-width:0;word-break:break-word}.option:hover{border-color:#9fb096;background:#f3f6ec}.option input{position:absolute;opacity:0;inset:0;width:100%;height:100%;cursor:pointer;margin:0}.option input:focus-visible{outline:2px solid var(--green);outline-offset:2px}.option:has(input:checked){border-color:#5c7b50;background:#e8efdf}.option-letter{flex:0 0 auto;font:10px/18px var(--sans);color:#8b9681}.option:has(input:checked) .option-letter{font-weight:700;color:var(--green)}.option.correct{border-color:#79a47d;background:#e9f2e5}.option.wrong{border-color:#bd8b80;background:#faeee8}.answer-mark{font:11px var(--sans);margin:11px 0 0;color:#456d3f}.answer-mark.wrong{color:#a55345}.answer-mark.empty{color:#8a7555}.match-select{width:100%;padding:10px;border:1px solid #d4ddcc;border-radius:4px;background:var(--paper);color:var(--ink)}.match-selected{font:12px/1.6 var(--serif);margin:9px 0 0;color:#6e7b65}.matching-options{border-top:1px solid var(--line);padding-top:20px;margin-top:28px}.matching-option{font:15px/1.7 var(--serif);margin-bottom:13px}.matching-option b{color:var(--green);margin-right:10px}.writing-box{padding:19px}.writing-box label{font-size:11px;color:#7e8b75;display:block;margin-bottom:12px}.writing-box textarea{display:block;resize:vertical;width:100%;min-height:340px;padding:12px;background:#fffef9;border:1px solid #dce2d3;border-radius:4px;font:15px/1.8 var(--serif);color:var(--ink)}.word-count{font-size:10px;color:#8b9482;display:flex;justify-content:space-between;margin-top:10px}.reference-button{margin-top:16px;border:1px solid #cdd7c5;background:transparent;color:var(--green);padding:8px 12px;border-radius:4px;font-size:11px}.translation-reference{font:13px/1.9 var(--sans);border-top:1px solid var(--line);margin-top:18px;padding-top:12px}.reference-note{font-size:11px;line-height:1.8;color:#87917e;margin-top:18px}.chart{width:100%;display:block;background:white;border:1px solid #efefe8;border-radius:4px;margin-top:20px}.section-footer{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:15px 24px;background:#fdfdf8}.secondary-button{border:0;background:transparent;color:#5d7254;padding:7px 3px;font-size:11px}.section-footer>span{font:11px var(--serif);color:#9aa18f}.review-bar{display:flex;align-items:center;justify-content:space-between;padding:23px 0 22px;gap:20px}.review-bar strong{font-size:12px;font-weight:500;display:block;margin-bottom:4px}.review-bar>div>span{font-size:10px;color:var(--muted)}.primary-button{border:1px solid var(--green);background:var(--green);color:#fffdf4;padding:12px 22px;border-radius:5px;font-size:12px;letter-spacing:.5px;white-space:nowrap}.primary-button:hover{background:#153c30}.primary-button span{margin-left:25px}.score-banner{padding:15px 20px;border:1px solid #ccd9c5;background:#eaf1e4;color:#375d31;margin-top:18px;border-radius:5px;font-size:13px}.page-footer{display:flex;justify-content:space-between;font-size:9px;color:#a0a599;border-top:1px solid #e4e6db;padding:16px 0 25px;letter-spacing:.3px}.mobile-tabs,.mobile-only{display:none}.font-large .paper-content{font-size:20px}.font-larger .paper-content{font-size:22px}.font-small .paper-content{font-size:16px}dialog{padding:28px;width:min(660px,calc(100% - 28px));border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);max-height:85vh;box-shadow:0 25px 90px #14221930}dialog::backdrop{background:#24382e55;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.dialog-heading h2{font:24px var(--serif);margin:6px 0 0}.answer-group{display:grid;grid-template-columns:65px repeat(5,1fr);align-items:center;border-top:1px solid var(--line);gap:10px;padding:12px 0;font-size:13px}.answer-group>span{font-size:10px;color:#8b9583}.answer-cell{display:flex;gap:6px;align-items:baseline;justify-content:center}.answer-cell small{color:#9ca590;font-size:9px}.answer-cell b{font:18px var(--serif);color:var(--green)}.dialog-note{font-size:11px;color:var(--muted);margin:20px 0 0}.answer-translation{margin-top:25px;font-size:13px;line-height:1.9}.answer-translation h3{font-size:13px;font-weight:600}.nav-backdrop{display:none}
@media(min-width:1600px){.paper-content{padding:32px 45px;font-size:19px}.reading-layout{grid-template-columns:minmax(0,1fr) 340px}.main{padding-right:40px}}
@media(max-width:1150px){.app-layout{grid-template-columns:180px minmax(0,1fr)}.sidebar{padding-left:17px;padding-right:16px}.main{padding:28px 22px 0 12px}.reading-layout{grid-template-columns:minmax(0,1fr) 260px}.paper-content{padding:24px;font-size:17px}.paper-meta{gap:10px}.outline-chip{display:none}.question-card{padding:16px 12px}.options.compact{grid-template-columns:1fr}}
@media(max-width:850px){.topbar{height:67px;padding:0 22px}.toplinks{gap:22px}.toplink{padding:23px 0 18px}.app-layout{display:block}.main{padding:26px 22px 0}.sidebar{position:fixed;top:67px;left:0;width:245px;background:#f7f7ef;height:calc(100dvh - 67px);z-index:10;overflow:auto;transform:translateX(-100%);transition:transform .2s;padding:25px}.sidebar.open{transform:translateX(0)}.nav-backdrop:not([hidden]){display:block;position:fixed;inset:67px 0 0 245px;z-index:9;border:0;background:#1b312b66}.mobile-only{display:block}.reading-layout{grid-template-columns:minmax(0,1fr) 290px}.options.compact{grid-template-columns:1fr 1fr}.paper-content{font-size:18px}.sidebar-bottom{margin-top:25px}}
@media(max-width:640px){.topbar{padding:0 17px;height:64px}.brand{font-size:18px;gap:9px}.brand-mark{width:32px;height:35px;font-size:23px}.brand-sub{font-size:8px}.toplinks{gap:16px;margin-left:auto;margin-right:14px}.toplink{font-size:11px;padding:22px 0 17px;letter-spacing:0}.toplink.active{display:none}.local-hint{display:none}.main{padding:24px 12px 0}.paper-heading{padding:0 7px;margin-bottom:22px}.paper-heading h1{font-size:33px}.paper-heading h1 span{font-size:24px}.paper-heading p{font-size:10px}.paper-meta{align-self:flex-end;margin-bottom:3px;gap:8px;font-size:9px}.paper-meta b{font-size:17px}.paper-meta i{height:16px}.section-top{padding:20px;align-items:flex-start;gap:8px}.section-top h2{font-size:24px}.reader-tools{gap:2px;padding-top:7px}.reader-tools .icon-button{font-size:11px;min-width:23px}.timer{gap:4px;font-size:10px}.timer>span:first-child{font-size:16px}.timer>span:last-child{display:none}.tool-divider{margin:0 4px}.eyebrow{font-size:8px;letter-spacing:1.2px}.mobile-tabs{display:flex;padding:0 20px;gap:30px;background:#fafbf5;border-bottom:1px solid var(--line)}.mobile-tabs button{border:0;border-bottom:2px solid transparent;background:none;padding:12px 2px;font-size:11px;color:#8b9481}.mobile-tabs button.selected{border-color:var(--green);color:var(--green);font-weight:600}.reading-layout{display:block}.paper-content{padding:25px 22px;font-size:18px;line-height:1.9}.directions{font-size:12px;padding-left:13px}.question-panel{display:none;border-left:0;max-height:none;overflow:visible}.show-questions .question-panel{display:block}.show-questions .paper-content{display:none}.question-card{padding:20px}.q-title{font-size:16px}.option{font-size:15px;padding:11px}.option-letter{font-size:11px}.options.compact{grid-template-columns:1fr 1fr}.questions-heading{position:static;padding:16px 20px}.section-footer{padding:12px 18px}.review-bar{padding:20px 6px}.review-bar>div>span{font-size:9px;display:block;max-width:180px;line-height:1.7}.primary-button{padding:11px 15px;font-size:11px}.primary-button span{margin-left:11px}.page-footer{font-size:8px;padding:15px 6px 20px}.page-footer>span:last-child{letter-spacing:0}.sidebar{top:64px;height:calc(100dvh - 64px)}.nav-backdrop:not([hidden]){top:64px}.writing-box{padding:20px}.writing-box textarea{min-height:360px}.answer-group{grid-template-columns:45px repeat(5,1fr);gap:3px}.answer-cell{gap:3px}dialog{padding:22px}.dialog-heading h2{font-size:20px}.score-banner{font-size:12px}}
@media print{.topbar,.sidebar,.reader-tools,.question-panel,.review-bar,.section-footer,.page-footer,.mobile-tabs{display:none}.app-layout,.reading-layout{display:block}.main{padding:0}.workspace{border:none;box-shadow:none}.paper-content{display:block!important}.chart{max-height:350px;object-fit:contain}}
.chart{height:auto}.option:focus-within{outline:2px solid var(--green);outline-offset:2px}

/* Responsive page; desktop options can scroll within the article boundary. */
html,body{width:100%;min-height:100%;}
.app-layout{width:100%;max-width:none;margin:0;grid-template-columns:220px minmax(0,1fr)}
.sidebar{top:0;height:100dvh;max-height:none;overflow-y:auto;padding:28px 20px;scrollbar-width:thin}
.year-card{width:100%;background:none;border:0;border-bottom:1px solid var(--line);border-radius:0;text-align:left;padding:15px 0 20px;gap:10px;cursor:pointer}
.year-card:hover{color:var(--green)}
.year-card>span:nth-child(2){font-size:12px;color:var(--ink);white-space:nowrap}
.year-card>.year-chevron{font:20px var(--sans);margin-left:auto;color:var(--green)}
.main{width:100%;padding:24px clamp(16px,2.2vw,38px) 0 18px}
.paper-heading{justify-content:flex-start;gap:14px;margin-bottom:20px;min-height:66px}
.paper-heading h1{font-size:32px;margin:5px 0 0}
.paper-heading h1 span{font-size:25px}
.paper-meta{margin-left:auto}
.workspace{overflow:clip}
.section-top{padding:20px 26px}
.reading-layout{grid-template-columns:minmax(0,1.6fr) minmax(320px,1fr);align-items:start}
.paper-content{padding:28px 32px;font-size:18px}
.question-panel{max-height:none;height:auto;overflow:visible;min-height:100%}
.questions-heading{position:static}
.question-card{padding:20px}
.q-title{font-size:16px}
.option{font-size:15px;padding:10px}
.options.compact{grid-template-columns:1fr 1fr}
.answer-nav{margin-top:16px;border-top:1px solid var(--line);border-radius:0;padding-top:16px}
.answer-page{padding:28px clamp(22px,6vw,90px);max-width:1000px;margin:auto}
.answer-group{font-size:16px;grid-template-columns:85px repeat(5,1fr);padding:16px 0}
.answer-cell b{font-size:22px}
.answer-translation{font-size:16px;line-height:2}
.paper-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.paper-choice{display:flex;flex-direction:column;text-align:left;gap:4px;padding:15px;border:1px solid var(--line);border-radius:6px;background:#f5f5ef}
.paper-choice strong{font:29px var(--serif)}
.paper-choice span{font-size:12px}
.paper-choice small{font-size:11px;color:var(--muted)}
.paper-choice.current{border-color:var(--green);background:var(--pale)}
.paper-choice.current small{color:var(--green)}
.paper-choice:disabled{opacity:.55}
.page-footer{gap:12px;flex-wrap:wrap}
.timer-switch{display:flex;align-items:center;gap:7px;border:0;background:none;color:var(--green);font-size:12px;padding:7px 2px;white-space:nowrap}
.switch-track{position:relative;width:26px;height:15px;border-radius:10px;background:#d5d9cf;transition:background .15s}
.switch-track::after{content:"";position:absolute;top:3px;left:3px;height:9px;width:9px;border-radius:50%;background:white;transition:transform .15s}
.timer-switch[aria-checked="true"] .switch-track{background:var(--green)}
.timer-switch[aria-checked="true"] .switch-track::after{transform:translateX(11px)}
.floating-timer{position:fixed;right:24px;bottom:24px;z-index:30;width:256px;max-width:calc(100vw - 16px);padding:8px 12px 14px;border:1px solid #bac8b6;border-radius:12px;background:#fffef8;box-shadow:0 8px 32px #24382e26}
.floating-timer.dragging{user-select:none;box-shadow:0 12px 36px #24382e38}
.timer-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}
.timer-drag{flex:1;border:0;background:none;color:#687961;font-size:12px;text-align:left;cursor:grab;touch-action:none;padding:7px 0;user-select:none}
.timer-drag:active{cursor:grabbing}
.timer-drag span{margin-right:4px;font-size:17px}
.timer-heading .icon-button{font-size:20px;padding:0;flex-shrink:0}
.timer-display{font:38px/1.2 var(--serif);font-variant-numeric:tabular-nums;text-align:center;color:var(--green);margin-top:6px;letter-spacing:1px}
.timer-state{text-align:center;color:var(--muted);font-size:11px;margin:5px 0 14px}
.timer-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.timer-actions button{border:1px solid #d6ded0;border-radius:4px;padding:7px 1px;font-size:12px;background:#f5f6ee;white-space:nowrap;min-height:34px}
.timer-actions button:first-child{background:var(--green);border-color:var(--green);color:white}
@media(min-width:1900px){
  .app-layout{grid-template-columns:250px minmax(0,1fr)}
  .sidebar{padding:30px}
  .reading-layout{grid-template-columns:minmax(0,1.7fr) minmax(440px,1fr)}
  .paper-content{padding:32px 42px;font-size:20px}
  .question-card{padding:22px 26px}
  .option{font-size:16px}
}
@media(max-width:1200px) and (min-width:1001px){
  .app-layout{grid-template-columns:186px minmax(0,1fr)}
  .sidebar{padding:24px 14px}
  .year-number{font-size:32px}
  .year-card{gap:7px}
  .year-card>span:nth-child(2){font-size:11px}
  .main{padding:20px 16px 0 12px}
  .reading-layout{grid-template-columns:minmax(0,1.3fr) minmax(280px,1fr)}
  .paper-content{padding:24px;font-size:18px}
  .question-card{padding:18px 14px}
}
@media(max-width:1000px){
  .app-layout{display:block}
  .main{padding:20px 20px 0}
  .paper-heading{gap:12px;min-height:60px}
  .mobile-only{display:block}
  #menu-toggle{align-self:center;font-size:21px;min-width:34px;height:36px}
  .sidebar{position:fixed;inset:0 auto 0 0;width:245px;height:100dvh;padding:25px;background:#f7f7ef;z-index:20;overflow-y:auto;transform:translateX(-100%);transition:transform .18s}
  .sidebar.open{transform:translateX(0)}
  .nav-backdrop:not([hidden]){display:block;position:fixed;inset:0 0 0 245px;z-index:19;border:0;background:#1b312b66}
  .reading-layout{display:block}
  .question-panel{display:none;border-left:0;max-height:none;overflow:visible}
  .show-questions .question-panel{display:block}
  .show-questions .paper-content{display:none}
  .mobile-tabs{display:flex;position:sticky;top:0;z-index:3;padding:0 24px;gap:28px;background:#fafbf5;border-bottom:1px solid var(--line)}
  .mobile-tabs button{border:0;border-bottom:2px solid transparent;background:none;padding:13px 2px;font-size:13px;color:#7a8571}
  .mobile-tabs button.selected{border-color:var(--green);color:var(--green);font-weight:600}
  .paper-content{font-size:19px;padding:26px}
  .question-card{padding:22px 26px}
  .q-title{font-size:17px}
  .option{font-size:16px;min-height:44px}
  .section-top{padding:20px 24px}
  .nav-item{padding:11px 12px}
}
@media(max-width:640px){
  .main{padding:15px 10px 0}
  .paper-heading{padding:0 2px;gap:8px;margin-bottom:15px}
  .paper-heading h1{font-size:27px}
  .paper-heading h1 span{font-size:21px}
  .paper-meta{align-self:center;font-size:10px;margin-bottom:0;gap:7px}
  .paper-meta b{font-size:18px}
  .section-top{padding:17px 18px;flex-wrap:wrap;align-items:center;gap:12px}
  .section-top h2{font-size:24px}
  .reader-tools{margin-left:auto;padding-top:0;gap:4px}
  .reader-tools .icon-button{font-size:13px;min-width:28px;height:32px}
  .timer-switch{font-size:11px}
  .paper-content{padding:24px 20px;font-size:18px}
  .mobile-tabs{padding:0 20px}
  .question-card{padding:20px}
  .answer-page{padding:22px 16px}
  .answer-group{grid-template-columns:42px repeat(5,1fr);gap:4px;font-size:13px}
  .answer-cell b{font-size:19px}
  .answer-translation{font-size:15px}
  .paper-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .floating-timer{right:14px;bottom:14px;width:248px}
  .page-footer{font-size:10px;line-height:1.7}
}
@media print{.sidebar,.reader-tools,.review-bar,.section-footer,.page-footer,.mobile-tabs,.floating-timer,#menu-toggle{display:none!important}.app-layout,.reading-layout{display:block}.main{padding:0}.paper-content{display:block!important}}

.restart-button{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:44px;margin-top:15px;padding:10px 8px;border:1px solid #81927b;border-radius:6px;background:#fffef9;color:var(--green);font-size:13px;font-weight:600;line-height:1.5;text-decoration:none}
.restart-button>span{font-size:21px;line-height:1}
.restart-button:hover{background:var(--pale);border-color:var(--green)}
.restart-button:active{background:#dce7d6}
@media screen and (min-width:1001px){
  .split-scroll .question-panel{position:sticky;top:12px;align-self:start;height:var(--answer-panel-height,calc(100dvh - 24px));min-height:0;max-height:none;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:auto;scrollbar-gutter:stable}
  .split-scroll .questions-heading{position:sticky;top:0;z-index:2}
}

.sidebar-top{position:sticky;top:-1px;z-index:4;display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:40px;background:var(--bg)}
.sidebar-close{display:flex;align-items:center;justify-content:center;gap:3px;min-width:64px;min-height:40px;padding:4px 8px;border:1px solid #cad3c2;border-radius:5px;background:#fffef9;color:var(--green);font-size:12px}
.sidebar-close span{font-size:23px;line-height:1}
.sidebar-close:hover{background:var(--pale)}
#menu-toggle.catalog-launcher{display:none;position:fixed;left:14px;top:14px;z-index:12;align-items:center;justify-content:center;gap:6px;min-width:68px;min-height:44px;height:auto;padding:8px 10px;border:1px solid #bccbb4;border-radius:6px;background:#fffef9;color:var(--green);box-shadow:0 2px 9px #24382e10;font-size:13px;white-space:nowrap}
#menu-toggle.catalog-launcher>span{font-size:16px}
.sidebar-collapsed #menu-toggle.catalog-launcher{display:flex}
@media screen and (min-width:1001px){
  .sidebar-collapsed .app-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar-collapsed .sidebar{display:none}
  .sidebar-collapsed .paper-heading{padding-left:80px}
}
@media(max-width:1000px){
  .sidebar-top{background:#f7f7ef}
  .paper-heading{padding-left:78px}
  #menu-toggle.catalog-launcher{left:12px;top:18px}
  .sidebar{overscroll-behavior:contain}
}
@media(max-width:640px){
  .paper-heading{padding-left:74px;gap:6px}
  #menu-toggle.catalog-launcher{left:10px;top:16px;min-width:64px;padding:8px}
}
@media print{#menu-toggle.catalog-launcher{display:none!important}.sidebar-collapsed .paper-heading{padding-left:0}}
/* Original chart and table questions across years. */
.exam-figure { margin: 2rem 0; }
.exam-figure .chart { width: auto; max-width: 100%; height: auto; max-height: none; margin: 0 auto; display: block; }
.exam-figure figcaption { margin-top: 1rem; font-size: .9em; line-height: 1.8; text-align: center; }
.exam-table-wrap { max-width: 100%; overflow-x: auto; margin: 2rem 0; }
.exam-table { border-collapse: collapse; width: 100%; min-width: 270px; font-size: .8em; }
.exam-table caption { padding: 1rem 0; font-weight: 600; }
.exam-table th, .exam-table td { border: 1px solid #aeb9aa; padding: .8rem .5rem; text-align: center; }
.exam-table th { background: #f4f5ef; font-weight: 500; }