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/* Exam answer navigation */
.exam-hero{padding:0 0 34px;border-bottom:1px solid var(--line);margin-bottom:30px}.exam-hero h1{font:600 42px/1.5 var(--serif);margin-bottom:18px}.exam-hero h1 em{font-style:normal;color:var(--accent)}.exam-hero>p{font-size:13px;color:var(--muted);line-height:1.95;max-width:710px}.exam-hero>p strong{color:var(--ink);font-weight:500}.exam-overview{display:flex;gap:16px 28px;align-items:center;flex-wrap:wrap;font-size:11px;margin-top:25px}.exam-overview strong{font:26px Georgia,serif;margin-right:8px;color:var(--accent)}.exam-overview>a{color:var(--muted);border-bottom:1px solid var(--line)}.exam-topline{display:flex;gap:24px;justify-content:space-between;align-items:flex-end;margin:30px 0}.exam-topline h2{font:600 23px var(--serif);margin-bottom:10px}.exam-topline p{font-size:11px;color:var(--muted);margin:0;line-height:1.9}.exam-filter{display:grid;gap:7px;color:var(--muted);font-size:10px;flex-shrink:0;max-width:100%}.exam-filter select{background:var(--surface);border:1px solid var(--line);padding:8px 10px;border-radius:3px;max-width:100%;font-size:11px}.exam-chapter{margin:36px 0}.exam-chapter-heading{display:flex;gap:16px;align-items:baseline;border-bottom:1px solid var(--ink);padding-bottom:14px}.exam-chapter-heading>span{font:15px var(--serif);color:var(--accent);white-space:nowrap}.exam-chapter-heading h2{font:600 21px var(--serif);margin:0}.exam-row{display:grid;grid-template-columns:35px minmax(0,1fr) 72px;gap:18px;align-items:center;border-bottom:1px solid var(--line);padding:22px 4px}.exam-row:hover{background:var(--blue-light)}.exam-number{font:18px Georgia,serif;color:var(--muted);align-self:start;padding-top:4px}.exam-number.mastered{color:var(--green)}.exam-number.shaky{color:var(--accent)}.exam-row-kind{font-size:9px;color:var(--muted)}.exam-row h3{font-size:14px;font-weight:500;line-height:1.9;margin:6px 0 0;overflow-wrap:anywhere}.exam-row-go{font-size:10px;color:var(--accent);text-align:right}.exam-question-header{margin-bottom:30px}.exam-question-header h1{font:600 30px/1.65 var(--serif);margin:10px 0 16px;overflow-wrap:anywhere}.exam-question-header>p{font-size:11px;color:var(--muted);margin-bottom:24px}.exam-answer{padding:28px 30px 18px;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--accent);min-width:0}.exam-answer-title{display:flex;gap:15px;align-items:flex-start;margin-bottom:26px}.exam-answer-title>span{background:var(--accent-light);color:var(--accent);font:23px var(--serif);padding:8px 10px}.exam-answer-title h2{font:600 24px var(--serif);margin:0 0 7px}.exam-answer-title p{font-size:10px;color:var(--muted);margin:0;line-height:1.8}.exam-scoring{margin:28px 0 34px;padding:0 4px}.exam-scoring h2{font:600 20px var(--serif);margin-bottom:18px}.exam-scoring>ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 25px;font-size:12px}.exam-scoring>ul li{padding-left:20px;position:relative;line-height:1.9}.exam-scoring>ul li:before{content:'✓';position:absolute;left:0;color:var(--green)}.exam-tip{border-left:2px solid var(--accent);background:var(--accent-light);padding:14px 18px;margin-top:22px;font-size:11px;line-height:1.9}.exam-tip strong{color:var(--accent);font-weight:500}.exam-tip p{margin:5px 0 0}.exam-extra{border-top:1px solid var(--line);padding:20px 0;scroll-margin-top:25px}.exam-extra summary{cursor:pointer;font-size:13px;font-weight:500;line-height:1.8}.exam-extra[open] summary{margin-bottom:24px}.exam-muted{font-size:11px;color:var(--muted)}.exam-explanation{margin:30px 0 40px;min-width:0}.exam-explanation>h2{font:600 24px var(--serif);margin-bottom:25px}.exam-explanation>h3{font:600 19px var(--serif);margin:26px 0 18px}.exam-sources{padding-left:20px;font-size:11px;line-height:2}.exam-sources a{border-bottom:1px solid var(--line)}.exam-question-header~.lesson-pagination>a{display:block;min-width:0}.exam-question-header~.lesson-pagination>a>span{font-size:10px;color:var(--muted);display:block;margin-bottom:8px}.exam-question-header~.lesson-pagination>a>strong{font-size:12px;font-weight:500;line-height:1.8;display:block}.exam-lesson-link{display:block;background:var(--accent-light);border-left:2px solid var(--accent);color:var(--accent);padding:15px 18px;font-size:12px;margin-bottom:25px;line-height:1.9}
@media(max-width:760px){.exam-hero h1{font-size:34px}.exam-topline{align-items:stretch;flex-direction:column}.exam-filter{max-width:100%;align-self:flex-start}.exam-question-header h1{font-size:25px}.exam-answer{padding:23px 20px 10px}.exam-scoring>ul{grid-template-columns:1fr}.exam-answer-title h2{font-size:21px}.exam-row{grid-template-columns:28px minmax(0,1fr);gap:6px 12px;padding:19px 0}.exam-row-go{grid-column:2;text-align:left}.exam-row h3{font-size:13px}.exam-chapter-heading h2{font-size:19px}.exam-overview{gap:13px 20px}.exam-hero>p{font-size:12px}.exam-explanation>h2{font-size:21px}}
@media print{.exam-answer{border:0;padding:0}.exam-extra{display:none}.exam-question-header .button-row{display:none}.exam-scoring{break-inside:avoid}.exam-answer-title p{color:#444}}