:root{color-scheme:dark;--ink:#edf0e8;--muted:#a7b2a4;--lime:#d3fb78;--line:#364038}*{box-sizing:border-box}body{margin:0;background:#101114;color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit}button,select,input{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--line);background:#1b211e;color:var(--ink);border-radius:7px;padding:11px 14px;min-height:44px}button:hover{border-color:#8b9d7a}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:3px}[hidden]{display:none!important}.skip{position:absolute;top:-100px;left:16px;background:var(--lime);color:#111;padding:16px;z-index:300}.skip:focus{top:12px}main{max-width:1540px;margin:auto;padding:24px 32px 60px}.back{font-size:12px;text-decoration:none;color:var(--muted)}#load-state{padding:50px 0}.solve-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:34px 0 12px}.eyebrow{font-size:9px;letter-spacing:.12em;color:#b9ca9d;margin:0 0 15px}.solve-heading h1{font-size:clamp(28px,3vw,44px);font-weight:400;letter-spacing:-.05em;margin:0 0 12px}.solve-heading p:not(.eyebrow){font-size:12px;color:var(--muted);margin:0}.quiet-link{font-size:12px;padding:13px 18px;border:1px solid var(--line);border-radius:6px;white-space:nowrap;text-decoration:none}.instruction{font-size:12px;color:#b7c3ae;border-left:2px solid var(--lime);padding:4px 14px;line-height:1.7;margin:18px 0 25px}.mobile-switch{display:none}.solve-workspace{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:22px;align-items:start}.book-panel{min-width:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#181d1b}.book-toolbar{display:flex;justify-content:space-between;gap:12px;padding:12px;background:#202720;flex-wrap:wrap}.page-controls,.zoom-controls{display:flex;align-items:center;gap:8px;font-size:12px}.page-controls select{border:0;background:#141b15;color:var(--ink);padding:10px;border-radius:5px;min-height:44px}.page-controls label{display:flex;align-items:center;gap:6px}.book-toolbar button{padding:8px 12px;min-width:42px}.zoom-controls span{min-width:42px;text-align:center}.book-hint{font-size:10px;padding:0 14px;color:var(--muted)}.paper-scroll{overflow:auto;background:#d7dad3;max-height:calc(100vh - 205px);min-height:250px;overscroll-behavior:contain}.paper-scroll img{display:block;width:100%;max-width:none;height:auto;background:#fff}.book-bottom{padding:12px;display:flex;gap:12px;justify-content:space-between}.book-bottom button{font-size:12px}.book-bottom #go-answers{display:none}#page-error{font-size:13px;padding:20px;color:#ffc9b4}.answer-panel{position:sticky;top:100px;background:#181d1b;border:1px solid var(--line);border-radius:10px;padding:21px 18px}.answer-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.answer-heading h2{font-size:28px;font-weight:400;letter-spacing:-.04em;margin:0}.answer-heading .eyebrow{font-size:8px;margin-bottom:8px}#answer-count{font-size:12px;color:var(--lime);white-space:nowrap}progress{width:100%;height:4px;accent-color:var(--lime);border:0;margin:18px 0 0;background:#303b2c}progress::-webkit-progress-bar{background:#303b2c}progress::-webkit-progress-value{background:var(--lime)}.save-status{font-size:10px;line-height:1.5;color:#96a28e;min-height:30px;margin:8px 0 14px}#question-groups{display:flex;gap:6px;margin-bottom:12px}#question-groups button{flex:1;font-size:11px;padding:8px 5px;min-height:38px}#question-groups button[aria-current=true]{background:#384629;color:var(--lime);border-color:#687e48}.answer-row{padding:3px 0;display:flex;gap:5px;align-items:center;border:0;margin:0;min-width:0;position:relative}.answer-row legend{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}.question-number{width:27px;flex-shrink:0;font-size:12px;color:#b4bfac}.option{position:relative;flex:1;min-width:0;cursor:pointer}.option input{position:absolute;opacity:0;width:1px;height:1px}.option span{display:flex;align-items:center;justify-content:center;min-height:40px;border:1px solid #3a4638;border-radius:6px;font-size:12px;color:#bfcbb6}.option input:checked+span{background:var(--lime);border-color:var(--lime);color:#17200d;font-weight:bold}.option input:focus-visible+span{outline:2px solid white;outline-offset:2px}.option input:disabled+span{cursor:default}.clear-answer{min-height:40px;width:29px;min-width:29px;padding:0;border:none;background:transparent;color:#8e9c83;font-size:18px}.answer-help{font-size:10px;color:#96a28e;margin:12px 0 16px}.primary{background:var(--lime);border-color:var(--lime);color:#18230e}.primary:hover{background:#e1ff9e}.secondary{background:#2b3926}.full{width:100%;font-size:12px;min-height:46px}.text-button{margin:12px auto 0;display:block;border:0;background:none;color:#a4b098;font-size:10px;text-decoration:underline;text-underline-offset:4px}.results{margin-top:40px;border-top:1px solid var(--line);padding-top:32px;scroll-margin-top:100px}.result-heading{display:flex;gap:20px;justify-content:space-between;align-items:center}.result-heading h2{font-size:40px;font-weight:400;letter-spacing:-.05em;margin:0 0 12px}.result-heading p:not(.eyebrow){color:var(--muted);font-size:12px}.result-actions{display:flex;gap:9px}.result-actions button{font-size:12px}.score-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:24px}.score-card{border:1px solid var(--line);border-radius:10px;padding:25px;background:#1a211d}.score-card strong{font-size:45px;font-weight:400;display:block;letter-spacing:-.05em}.score-card span{font-size:12px;color:var(--muted);display:block;margin-top:8px}.score-card.net{background:#29361d;border-color:#536e38;color:var(--lime)}.score-note,.source-note{font-size:12px;color:var(--muted);line-height:1.7}.results h3{font-size:20px;font-weight:400;margin:32px 0 12px}.topic-item{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid #ffffff14;align-items:center;font-size:13px}.topic-item p{font-size:11px;color:var(--muted);margin:5px 0 0}.topic-item span{flex-shrink:0;color:#e7c99e;font-size:12px}.topic-item a{font-size:11px;display:inline-block;margin-top:6px;color:#cfebb4}.detail-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.detail-heading label{font-size:12px;display:flex;gap:8px;align-items:center;min-height:44px}.result-table-scroll{overflow-x:auto}.result-table{border-collapse:collapse;width:100%;text-align:left;font-size:12px}.result-table th,.result-table td{padding:14px 12px;border-bottom:1px solid #ffffff1c;line-height:1.5}.result-table th{color:#bdcaae;font-size:10px;text-transform:uppercase;font-weight:400}.result-table th:nth-child(-n+4){white-space:nowrap}.state-correct{color:#d3fb78}.state-wrong{color:#ffb7a3}.state-blank{color:#c0c5bb}.subject-table{max-width:600px;margin-top:20px;width:100%;border-collapse:collapse;font-size:12px}.subject-table td,.subject-table th{padding:10px;border-bottom:1px solid #ffffff22;text-align:left}.subject-table th{font-weight:400;color:var(--muted)}dialog{max-width:420px;width:calc(100% - 32px);border:1px solid #667854;border-radius:14px;background:#1b231b;color:var(--ink);padding:28px}dialog::backdrop{background:#000b}dialog h2{font-weight:400;font-size:28px;letter-spacing:-.04em;margin:0 0 18px}dialog p:not(.eyebrow){font-size:13px;line-height:1.7;color:#becab6}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px}
@media(max-width:1100px){main{padding:22px}.solve-workspace{grid-template-columns:minmax(0,1fr) 350px;gap:14px}.answer-panel{padding:17px 13px}.solve-heading h1{font-size:32px}.book-toolbar{gap:8px;padding:9px}.result-actions{flex-wrap:wrap}}
@media(max-width:800px){main{padding:20px 16px 100px}.solve-heading{padding-top:26px;align-items:flex-start}.solve-heading h1{font-size:29px}.solve-heading .quiet-link{padding:10px;font-size:10px}.eyebrow{font-size:8px;line-height:1.7}.instruction{margin:16px 0 20px;font-size:11px}.mobile-switch{display:flex;gap:8px;margin-bottom:16px;position:sticky;top:70px;padding:8px 0;background:#101114;z-index:20}.mobile-switch button{flex:1;font-size:13px}.mobile-switch button[aria-pressed=true]{background:var(--lime);color:#17200d;border-color:var(--lime)}.mobile-switch span{font-size:10px;padding:3px 7px;border:1px solid currentColor;border-radius:20px;margin-left:6px}.solve-workspace{display:block}.solve-workspace[data-mobile-view=book] .answer-panel{display:none}.solve-workspace[data-mobile-view=answers] .book-panel{display:none}.answer-panel{position:static;padding:20px}.option span,.clear-answer{min-height:44px}.answer-row{gap:7px;padding:5px 0}.paper-scroll{max-height:60vh;min-height:200px}.book-bottom #go-answers{display:block}.book-toolbar{flex-wrap:nowrap}.page-controls{gap:4px}.page-controls label{gap:4px;font-size:11px}.page-controls select{padding:6px}.book-toolbar button{min-width:35px;padding:8px}.zoom-controls{gap:3px}.zoom-controls span{font-size:10px;min-width:34px}.result-heading{align-items:flex-start;flex-direction:column}.result-heading h2{font-size:34px}.score-cards{grid-template-columns:repeat(2,1fr)}.score-card{padding:20px}.score-card strong{font-size:38px}.detail-heading{flex-direction:column;align-items:flex-start;gap:0}.result-table{min-width:540px}.topic-item{gap:12px}.topic-item span{font-size:11px}.topic-item strong{font-weight:500}.results{scroll-margin-top:80px}}
@media(max-width:360px){main{padding-left:12px;padding-right:12px}.answer-panel{padding:15px 10px}.answer-row{gap:4px}.solve-heading{gap:7px}.solve-heading h1{font-size:25px}.book-toolbar{padding:8px 5px}.zoom-controls span{min-width:31px}.book-hint{font-size:9px}.result-actions button{font-size:11px}}
@media print{body{background:white;color:#111;padding:0!important}body>header,body>nav,.site-header,.mobile-dock,.site-mobile-dock,.back,.solve-heading,.instruction,.mobile-switch,.solve-workspace,.result-actions,#load-state,.skip,dialog,.detail-heading label{display:none!important}main{padding:0;max-width:none}.results{margin:0;border:0;padding:0}.result-heading h2{font-size:28px}.score-card{background:white!important;color:#111!important;border-color:#999;padding:12px}.score-card strong{font-size:28px}.score-card span,.score-note,.source-note,.result-heading p,.result-table th,.topic-item p,.topic-item span,.eyebrow{color:#333!important}.result-table-scroll{overflow:visible}.result-table{min-width:0}.result-table td,.result-table th{border-color:#bbb;padding:7px}.result-table tr,.topic-item{break-inside:avoid}.result-table thead{display:table-header-group}.state-correct,.state-wrong,.state-blank{color:#111}.score-cards{grid-template-columns:repeat(4,1fr)}.source-note a{color:#111}.results h3{margin-top:20px}.site-nav-shell,.site-dock{display:none!important}@page{size:A4;margin:14mm}}

#edit-answers{margin-top:10px}@media print{.sk-header,.sk-mobile-dock{display:none!important}}

/* Answer a question without leaving the booklet on a phone. */
.cover-notice{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:#303c21;font-size:12px}.cover-notice button{font-size:12px;flex:none}
.quick-answer-form{padding:14px;border-bottom:1px solid var(--line);background:#18211a}.quick-answer-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;margin-bottom:10px}.quick-answer-heading label{display:flex;align-items:center;gap:9px;color:var(--muted)}.quick-answer-heading select{border:1px solid #536246;border-radius:6px;color:var(--ink);background:#111b13;min-height:44px;padding:6px;font-size:13px}.quick-answer-heading [role=status]{color:var(--lime);text-align:right;font-size:11px}.quick-answer-form fieldset{border:0;margin:0;padding:0;min-width:0}.quick-options{display:flex;gap:8px}.quick-options .option span{min-height:44px;font-size:16px}.quick-answer-actions{display:flex;justify-content:space-between;gap:8px;margin-top:8px}.quick-answer-actions button{font-size:11px;padding:6px 10px;min-height:36px}.book-bottom{flex-wrap:wrap}.book-bottom button{flex:1;white-space:nowrap}.mobile-switch{scroll-margin-top:76px}
@media(max-width:800px){.solve-heading{padding-top:16px;gap:8px}.solve-heading .eyebrow{display:none}.solve-heading h1{font-size:26px;line-height:1.2;margin-bottom:8px}.instruction{font-size:11px;margin:10px 0 12px;padding:3px 10px}.mobile-switch{margin-bottom:10px;top:68px}.mobile-switch button{font-size:12px;padding:9px 6px}.quick-answer-form{padding:10px}.quick-answer-heading{gap:8px;margin-bottom:8px}.quick-answer-heading label{font-size:10px;gap:6px}.quick-answer-heading [role=status]{font-size:10px}.book-hint{font-size:10px;line-height:1.5;margin:8px 10px;padding:0}.book-bottom{gap:7px;padding:10px}.book-bottom button{font-size:11px}.book-bottom #go-answers{display:block}.paper-scroll{max-height:65dvh}.cover-notice{font-size:11px;padding:10px}.cover-notice button{font-size:11px;padding:8px}.quick-answer-actions button{min-height:40px}.quick-options{gap:6px}}

/* The question, its options and its saved answer use one shared question index. */
.question-controls,.question-controls label{display:flex;align-items:center;gap:8px;font-size:12px}.question-controls select{border:1px solid #536246;border-radius:6px;color:var(--ink);background:#111b13;min-height:44px;padding:7px 10px}.question-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:#fff;color:#252b24}.question-caption h2{font-size:16px;margin:0}.question-caption span{font-size:11px;color:#5f665c}.question-scroll{overflow-x:auto;background:#fff;overscroll-behavior:auto}#question-parts{width:100%;padding:0 10px;background:#fff;box-sizing:border-box}.question-part{position:relative;width:100%;overflow:hidden;background:white}.question-part img{position:absolute;display:block;max-width:none!important;height:auto!important;margin:0!important}.question-part[data-kind=context]{margin-bottom:10px;border-bottom:1px solid #eee}.quick-answer-form{border-top:1px solid var(--line)}.quick-answer-heading strong{font-size:13px;font-weight:400}.quick-answer-actions #next-question{color:#17220d}.quick-answer-actions button{min-height:44px}.book-panel{scroll-margin-top:100px!important}.book-panel .quick-options .option span{min-height:48px}.quick-answer-actions{margin-top:12px}.book-panel .book-bottom #go-answers{display:block}.question-scroll{scrollbar-width:thin}#question-title:focus{outline:none}
@media(max-width:800px){.book-panel{scroll-margin-top:132px!important}.question-caption{padding:10px 12px}.question-caption h2{font-size:14px}.question-caption span{font-size:10px}#question-parts{padding:0 5px}.quick-answer-actions{gap:5px}.quick-answer-actions button{font-size:11px;padding:6px 7px}.quick-answer-heading strong{font-size:12px}.book-panel .book-toolbar{padding:8px}.question-controls select{max-width:135px}.quick-answer-form{padding:12px 10px}.book-bottom #quick-finish{color:var(--lime);border-color:#6f8652}}

/* Focus on one question. The answer sheet opens only on request. */
.solve-workspace{display:block;max-width:960px;margin:0 auto}.solver-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:960px;margin:0 auto 14px}.solver-controls>span{font-size:12px;color:var(--muted)}.solver-controls button{font-size:12px}.solver-controls button span{color:var(--lime);margin-left:8px}.answer-drawer{position:fixed;inset:0 0 0 auto;margin:0;width:min(440px,100vw);height:100dvh;max-width:100vw;max-height:100dvh;padding:0;border-radius:16px 0 0 16px;overflow:auto;overscroll-behavior:contain;border:1px solid var(--line);background:#181d1b}.answer-drawer:not([open]){display:none}.answer-drawer::backdrop{background:#0009}.answer-drawer .answer-panel{position:static;display:block;border:0;border-radius:0;padding:0 22px max(28px,env(safe-area-inset-bottom))}.answer-drawer-top{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 0;margin-bottom:22px;z-index:1;background:#181d1b;border-bottom:1px solid var(--line)}.answer-drawer-top>span{font-size:10px;letter-spacing:.1em;color:var(--muted)}.answer-drawer-top button{font-size:12px}.answer-drawer .answer-heading h2{margin:0}.answer-drawer p.save-status{font-size:11px}.answer-drawer p.answer-help{font-size:11px}body:has(.answer-drawer[open]){overflow:hidden}
.annotation-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:10px 12px;background:#171e19;border-bottom:1px solid var(--line)}.ink-modes,.ink-settings{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.annotation-toolbar button{font-size:12px;padding:9px 11px}.ink-modes button[aria-pressed=true]{background:var(--lime);color:#17200d;border-color:var(--lime)}.ink-settings label{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}.ink-settings select{min-height:44px;background:#111b13;color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:7px}.ink-hint,.ink-save-status{padding:8px 14px;margin:0;font-size:11px;line-height:1.6;color:var(--muted);background:#171e19}.ink-save-status{border-top:1px solid var(--line)}.question-scroll{max-height:75dvh;overflow:auto}.question-part img{user-select:none;-webkit-user-drag:none;pointer-events:none}.annotation-surface{position:absolute;inset:0;width:100%;height:100%;z-index:1;overflow:hidden;pointer-events:none;touch-action:pan-x pan-y}#question-parts[data-ink-tool=pen] .annotation-surface,#question-parts[data-ink-tool=highlighter] .annotation-surface,#question-parts[data-ink-tool=eraser] .annotation-surface,#question-parts[data-ink-tool=text] .annotation-surface{pointer-events:auto;touch-action:none;user-select:none;-webkit-user-select:none;cursor:crosshair}#question-parts[data-ink-tool=text] .annotation-surface{cursor:text}.annotation-surface:focus-visible{outline:3px solid #2563eb;outline-offset:-3px}#ink-text-dialog label{display:block;font-size:13px;margin-bottom:10px}#ink-text{display:block;width:100%;resize:vertical;min-height:110px;border:1px solid var(--line);border-radius:7px;background:#111812;color:var(--ink);font:16px/1.6 Arial,sans-serif;padding:12px}
@media(max-width:800px){.solver-controls>span{display:none}.solver-controls{justify-content:flex-end}.annotation-toolbar{padding:8px;gap:8px}.annotation-toolbar button{padding:8px;font-size:11px}.ink-modes{width:100%;display:grid;grid-template-columns:repeat(5,1fr)}.ink-settings{gap:6px;width:100%}.ink-settings label{font-size:10px}.ink-settings select{font-size:12px;padding:5px}.ink-settings button{flex:1}.ink-hint,.ink-save-status{font-size:10px;padding:8px 10px}.answer-drawer .answer-panel{padding:0 16px max(28px,env(safe-area-inset-bottom))}.book-panel{scroll-margin-top:86px!important}.question-scroll{max-height:68dvh}}
@media print{.solver-controls,.answer-drawer,.annotation-toolbar,.ink-hint,.ink-save-status{display:none!important}}