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/* Tome 01: illustrated book edition */
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@media(prefers-reduced-motion:reduce){.story-frame img{transition:none}@media(hover:hover) and (pointer:fine){.story-frame:hover img{transform:none}}}
/* Sequential learning book: one lesson per illustrated spread */
[hidden]{display:none!important}.book-home{padding-bottom:60px}.book-cover{margin-bottom:45px}.book-frontmatter{border:2px solid #191917;background:#f8f4ea;box-shadow:5px 5px 0 #d3c9b6;margin-bottom:60px}.frontmatter-layout{display:grid;grid-template-columns:1fr 1.2fr}.frontmatter-note{border-right:2px solid #191917;min-width:0}.frontmatter-note>img{width:100%;height:250px;object-fit:cover;object-position:45% center;border-bottom:1.5px solid #191917}.frontmatter-note>div{padding:30px}.frontmatter-note h2{font-size:35px;line-height:1.08;letter-spacing:-1.5px;margin:0 0 20px}.frontmatter-note p{font-size:14px;line-height:1.8;color:#655c4d}.book-chapter-toc{padding:8px 30px}.book-chapter-toc>a{display:flex;align-items:center;gap:17px;border-bottom:1px solid #cec3af;padding:16px 0}.book-chapter-toc>a:last-child{border:0}@media(hover:hover) and (pointer:fine){.book-chapter-toc>a:hover b{color:#cf3829}}.book-chapter-toc>a>span{font-size:19px;font-style:italic;font-weight:900;color:#c83829;width:29px;flex-shrink:0}.book-chapter-toc b{font-size:16px;line-height:1.2;letter-spacing:-.3px;display:block}.book-chapter-toc small{font-size:10px;line-height:1.5;color:#746a59;display:block;margin-top:5px}.book-chapter-toc i{font-style:normal;margin-left:auto;font-size:17px}.book-subjects>.section-head{margin-bottom:22px}.book-subjects h2{font-size:32px;letter-spacing:-1.3px}.reader-chapter-title{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:27px}.reader-chapter-title .eyebrow{font-size:8px;letter-spacing:1.5px;margin-bottom:13px;line-height:1.7}.reader-chapter-title h1{font-size:30px;letter-spacing:-1.2px;line-height:1.1;margin:0;font-weight:900;max-width:830px}.reader-index{position:relative;flex-shrink:0;font-size:11px;line-height:1.6;max-width:290px}.reader-index summary{cursor:pointer;font-weight:800;border-bottom:1px solid #191917;padding-bottom:4px}.reader-index[open] nav{position:absolute;right:0;top:32px;min-width:330px;border:1.5px solid #191917;background:#f8f4ea;padding:12px 20px;z-index:30;box-shadow:4px 4px 0 #191917}.reader-index nav a{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid #c9bca6;font-size:11px}.reader-index nav a:last-child{border:0}.reader-index nav span{font-size:8px;font-weight:900;color:#c53527;padding-top:2px}.reader-wrap{padding-bottom:30px}.book-reader{position:relative}.book-page{border:2px solid #191917;box-shadow:7px 7px 0 #d5cbb7;background:#f8f4ea;margin-bottom:35px;outline:none}.reading-spread{display:grid;grid-template-columns:40% 60%;align-items:start;position:relative}.reading-spread:before{content:'';position:absolute;left:40%;top:0;bottom:0;border-left:1px solid #c8baa2;box-shadow:3px 0 6px #19191708;pointer-events:none;z-index:2}.reading-side{padding:25px 25px 30px;position:sticky;top:20px;min-width:0}.story-picture{margin:0;border:1.5px solid #191917;background:#dfd4bd;box-shadow:4px 4px 0 #191917}.story-shot{aspect-ratio:1;position:relative;overflow:hidden;isolation:isolate}.story-shot>img{position:absolute;top:0;width:300%;height:100%;max-width:none;object-fit:cover}.story-picture figcaption{border-top:1.5px solid #191917;padding:8px 10px;display:flex;justify-content:space-between;gap:10px;font-size:7px;letter-spacing:1.3px;font-weight:800;background:#f8f4ea}.story-voice{border:1px solid #191917;background:#f8f4ea;padding:19px 21px;margin:25px 0 20px;position:relative;max-width:100%}.story-voice:before{content:'';width:17px;height:17px;transform:rotate(45deg);border-left:1px solid #191917;border-top:1px solid #191917;position:absolute;left:32px;top:-10px;background:#f8f4ea}.story-voice>span,.page-message>span{font-size:8px;letter-spacing:1.5px;font-weight:800;color:#bb3023}.story-voice p{font-size:13px;line-height:1.8;margin:10px 0 0;color:#575043}.page-message{border-left:3px solid #cf3828;padding:4px 0 3px 15px;margin-top:24px}.page-message p{font-size:15px;line-height:1.65;font-weight:700;margin:9px 0 0;color:#25231e}.reading-text{padding:30px 35px 40px;min-width:0}.reading-kicker{font-size:8px;letter-spacing:1.7px;font-weight:800;color:#b73729}.reading-text>h2{font-size:33px;line-height:1.08;letter-spacing:-1.2px;font-weight:900;margin:14px 0 28px;max-width:590px}.reading-section{margin:0 0 29px}.reading-section h3{font-size:20px;line-height:1.2;letter-spacing:-.5px;margin:0 0 15px}.reading-section p{font-size:15px;line-height:1.88;color:#3e382f;margin:15px 0}.reading-section ul{padding-left:21px}.reading-section li{font-size:14px;line-height:1.8;margin:10px 0;padding-left:3px;color:#4d4438}.reader-copy .diagram-pair{gap:12px;margin:23px 0 30px}.reader-copy .go-diagram{padding:11px}.reader-copy .go-diagram figcaption{font-size:10px}.reader-copy .score-demo{padding:18px}.reader-copy .score-demo table{font-size:12px}.reader-copy .score-demo>p{font-size:11px;line-height:1.7}.reader-copy .inline-board{margin:26px 0}.reader-copy .quiz{padding:22px;background:#eee4ce;margin:35px 0 30px}.reader-copy .quiz h3{font-size:23px;line-height:1.2;letter-spacing:-.7px}.reader-copy .article-end{margin-top:35px;gap:20px;align-items:flex-start}.reader-copy .article-end .button{font-size:11px;padding:13px 16px}.reader-copy .end-folio{font-size:7px;padding-top:4px}.story-outro{font-size:13px;line-height:1.85;margin-top:25px;padding-left:16px;border-left:2px solid #c43b29;color:#655b4c;font-style:italic}.page-reflection{border-top:1px solid #bfb199;padding-top:18px;margin-top:30px}.page-reflection>span{font-size:7px;letter-spacing:1.6px;font-weight:800;color:#b83729}.page-reflection p{font-size:14px;line-height:1.7;margin:10px 0 0;font-weight:700;max-width:570px}.reader-controls{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:12px;align-items:center;background:#191917;color:#f8f4ea;padding:12px 16px;border:1.5px solid #191917;position:fixed;bottom:18px;left:50%;transform:translateX(-50%);width:calc(100% - 96px);max-width:1224px;z-index:40;box-shadow:4px 4px 0 #d43b2b}.reader-controls button{border:1px solid #7a766a;background:transparent;color:#f8f4ea;min-height:42px;padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;font-weight:800;line-height:1.4}.reader-controls button:last-child{background:#d8402f;border-color:#d8402f}@media(hover:hover) and (pointer:fine){.reader-controls button:hover{background:#f8f4ea;color:#191917}}.reader-controls button span:first-child{flex-shrink:0}.reader-controls>div{text-align:center;line-height:1.4}.reader-controls [data-book-position]{font-size:11px;font-weight:800;letter-spacing:.2px}.reader-controls small{display:block;font-size:7px;letter-spacing:.8px;color:#aaa596;margin-top:6px}.book-reading body{padding-bottom:95px}.reader-outside{display:flex;justify-content:space-between;gap:22px;font-size:10px;text-transform:uppercase;letter-spacing:1px;font-weight:800;padding:10px 0 25px}.reader-outside a{border-bottom:1px solid #191917;padding-bottom:4px}.nojs-note{font-size:13px;line-height:1.8;padding:20px;border:1px solid #191917}.book-workshop{grid-column:1/-1;border-top:2px solid #191917;background:#eee5d1;padding:30px;display:grid;grid-template-columns:1fr 1fr;gap:25px 40px;align-items:start}.workshop-intro{padding:20px 0}.workshop-intro h2{font-size:35px;line-height:1.08;letter-spacing:-1.3px;margin:16px 0 22px}.workshop-intro p{font-size:14px;line-height:1.8;max-width:430px;color:#655b4b}.book-workshop .board-shell{grid-column:2;grid-row:1/3;box-shadow:5px 5px 0 #c83a2b;background:#f8f0de}.book-workshop .practice-options{margin:0;grid-template-columns:1fr 1fr;gap:10px}.book-workshop .practice-options button{background:#f8f4ea;padding:14px}.book-workshop .practice-options b{font-size:15px}.book-workshop .practice-options span{font-size:10px;line-height:1.5}.book-workshop .contest{grid-column:1/-1;margin:5px 0 0;padding:25px}.book-workshop .contest-result{grid-column:1/-1;margin:0}.book-reading main{overflow:visible}.book-reading .site-footer{padding-bottom:40px}
@media(max-width:1100px){.reading-spread{grid-template-columns:39% 61%}.reading-spread:before{left:39%}.reading-side{padding:23px 21px}.reading-text{padding:28px}.reading-text>h2{font-size:31px}.reading-section h3{font-size:19px}.reading-section p{font-size:14px}.story-voice{padding:17px}.story-voice p{font-size:12px}.page-message p{font-size:14px}.reader-controls{width:calc(100% - 60px)}.book-frontmatter .frontmatter-layout{grid-template-columns:1fr 1.1fr}.book-chapter-toc{padding:8px 22px}.book-chapter-toc b{font-size:15px}.frontmatter-note>div{padding:25px}.frontmatter-note h2{font-size:31px}}
@media(max-width:800px){.reader-chapter-title{display:block;margin-bottom:22px}.reader-chapter-title h1{font-size:27px}.reader-index{margin-top:18px;font-size:10px;max-width:max-content}.reader-index[open] nav{left:0;right:auto;min-width:310px}.reading-spread{grid-template-columns:36% 64%}.reading-spread:before{left:36%}.reading-side{padding:18px 16px}.reading-text{padding:23px}.reading-text>h2{font-size:28px}.reading-section h3{font-size:18px}.reading-section p{font-size:14px;line-height:1.8}.story-voice{padding:15px;margin-top:22px}.story-voice>span,.page-message>span{font-size:6px;letter-spacing:1.2px}.story-voice p{font-size:11px}.page-message{padding-left:12px}.page-message p{font-size:12px;line-height:1.8}.story-picture figcaption{font-size:5px;letter-spacing:.8px;padding:7px}.reader-controls{width:calc(100% - 44px);padding:10px;gap:9px}.reader-controls [data-book-position]{font-size:9px}.reader-controls button{font-size:10px;padding:9px 10px}.reader-controls small{font-size:6px;letter-spacing:.3px}.reader-copy .diagram-pair{grid-template-columns:1fr}.book-workshop{padding:25px;gap:25px}.workshop-intro h2{font-size:30px}.book-frontmatter .frontmatter-layout{grid-template-columns:1fr}.frontmatter-note{display:grid;grid-template-columns:1fr 1fr;border-right:0;border-bottom:2px solid #191917}.frontmatter-note>img{height:100%;border-bottom:0;border-right:1px solid #191917}.frontmatter-note>div{padding:24px}.frontmatter-note h2{font-size:28px}.frontmatter-note p{font-size:12px}.book-chapter-toc{display:grid;grid-template-columns:1fr 1fr;padding:10px 24px;gap:0 25px}.book-chapter-toc>a{padding:17px 0;gap:12px}.book-chapter-toc small{font-size:9px}.book-chapter-toc b{font-size:14px}.book-cover{margin-bottom:35px}.book-subjects h2{font-size:29px}}
@media(max-width:560px){.book-home{padding-bottom:35px}.book-cover{margin-bottom:35px}.book-cover .hero .eyebrow{font-size:8px}.book-frontmatter{box-shadow:4px 4px 0 #d3c9b6;margin-bottom:40px}.frontmatter-note{display:block}.frontmatter-note>img{height:180px;border-right:0;border-bottom:1px solid #191917}.frontmatter-note>div{padding:24px}.frontmatter-note h2{font-size:30px}.frontmatter-note p{font-size:13px}.book-chapter-toc{display:block;padding:7px 22px}.book-chapter-toc>a{padding:18px 0;gap:14px}.book-chapter-toc>a>span{font-size:18px;width:25px}.book-chapter-toc b{font-size:16px}.book-chapter-toc small{font-size:10px}.book-subjects h2{font-size:29px;line-height:1.13}.reader-chapter-title h1{font-size:25px;line-height:1.15;letter-spacing:-.9px}.reader-chapter-title .eyebrow{font-size:7px;letter-spacing:1.2px;gap:8px;margin-bottom:12px}.reader-index{font-size:9px;margin-top:15px}.reader-index[open] nav{min-width:280px;max-width:calc(100vw - 45px);padding:10px 15px}.reader-index nav a{font-size:10px}.reader-wrap{padding-bottom:20px}.book-page{box-shadow:4px 4px 0 #d5cbb7;margin-bottom:25px}.reading-spread{grid-template-columns:1fr}.reading-spread:before{display:none}.reading-side{padding:18px 18px 22px;position:static;border-bottom:1.5px solid #191917;background:#eee5d3;display:grid;grid-template-columns:1fr;gap:0}.story-picture{box-shadow:3px 3px 0 #191917}.story-shot{aspect-ratio:1.25}.story-shot>img{height:100%;object-fit:cover}.story-picture figcaption{font-size:6px;letter-spacing:1px;padding:8px}.story-voice{margin-top:24px;margin-bottom:19px;padding:17px}.story-voice>span,.page-message>span{font-size:7px;letter-spacing:1.3px}.story-voice p{font-size:12px;line-height:1.8}.page-message{margin-top:0;padding-left:13px}.page-message p{font-size:14px;line-height:1.7}.reading-text{padding:26px 22px 30px}.reading-kicker{font-size:7px;letter-spacing:1.4px}.reading-text>h2{font-size:30px;line-height:1.08;letter-spacing:-1.1px;margin:13px 0 25px}.reading-section h3{font-size:20px;letter-spacing:-.4px;margin-bottom:16px}.reading-section p{font-size:15px;line-height:1.85}.reading-section li{font-size:14px;line-height:1.8}.reader-copy .diagram-pair{grid-template-columns:1fr 1fr;gap:9px}.reader-copy .go-diagram{padding:7px}.reader-copy .go-diagram figcaption{font-size:9px}.reader-copy .score-demo{padding:12px;margin-left:-3px;margin-right:-3px}.reader-copy .score-demo table{font-size:10px}.reader-copy .score-demo caption{font-size:12px}.reader-copy .score-demo th,.reader-copy .score-demo td{padding:9px 3px}.reader-copy .quiz{padding:17px;box-shadow:3px 3px 0}.reader-copy .quiz h3{font-size:22px}.reader-copy .quiz .pill{font-size:7px;letter-spacing:.8px}.reader-copy .quiz-answers button{font-size:11px;padding:10px;line-height:1.6}.reader-copy .quiz-answers button:before{margin-right:7px}.reader-copy .article-end{margin-top:28px}.reader-copy .article-end .button{font-size:10px;padding:12px 13px}.reader-copy .story-outro{font-size:12px}.page-reflection>span{font-size:6px;letter-spacing:1.2px}.page-reflection p{font-size:13px;line-height:1.8}.reader-controls{width:calc(100% - 28px);bottom:12px;padding:8px;gap:7px;grid-template-columns:1fr 1fr 1fr;box-shadow:3px 3px 0 #d43b2b}.reader-controls button{font-size:9px;padding:8px;min-height:44px;gap:7px;line-height:1.3}.reader-controls [data-book-position]{font-size:8px;line-height:1.7;display:block;letter-spacing:0}.reader-controls small{display:none}.book-reading body{padding-bottom:87px}.reader-outside{font-size:7px;letter-spacing:.7px;line-height:1.7;padding-top:7px;align-items:flex-start}.book-workshop{grid-template-columns:1fr;padding:22px;gap:22px}.book-workshop .board-shell{grid-column:auto;grid-row:auto;padding:15px}.book-workshop .board-shell .board-top{font-size:7px;letter-spacing:.7px}.book-workshop .board-shell h3{font-size:21px;line-height:1.2}.book-workshop .board-shell>p{font-size:12px}.book-workshop .board-shell .board{margin-top:15px}.book-workshop .board-tools{gap:8px}.book-workshop .board-tools .small-button{font-size:9px}.book-workshop .board-next{font-size:9px;padding:8px}.book-workshop .practice-options{grid-column:auto;gap:9px}.book-workshop .practice-options button{padding:12px}.book-workshop .contest{display:block;grid-column:auto;padding:21px;margin-top:0}.book-workshop .contest h2{font-size:27px}.book-workshop .contest p{font-size:11px}.book-workshop .contest .button{font-size:11px;margin-top:18px}.workshop-intro{padding:0}.workshop-intro h2{font-size:30px;margin:13px 0 17px}.workshop-intro p{font-size:13px}.book-workshop .contest-result{font-size:18px;grid-column:auto;padding:16px}.book-reading .site-footer{padding-bottom:28px}}
.chapter-revelation{padding:20px 22px;margin:30px 0;border:1.5px solid #191917;background:#eee3cc;box-shadow:3px 3px 0 #191917}.chapter-revelation>span{font-size:8px;letter-spacing:1.5px;font-weight:900;color:#bb3325}.chapter-revelation p{font-size:16px;line-height:1.7;font-weight:700;margin:12px 0 0}.spread-practice{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:35px;padding:30px;border-top:2px solid #191917;background:#eee4d0;align-items:center}.spread-practice>div:first-child{padding:15px}.spread-practice h2{font-size:34px;line-height:1.1;letter-spacing:-1px;margin:15px 0 20px}.spread-practice>div:first-child p{font-size:14px;line-height:1.8;color:#655b4b;max-width:430px}.spread-practice .board-shell{box-shadow:5px 5px 0 #c83b2a;background:#f8f0de}.story-shot>img{object-fit:cover}@media(max-width:560px){.spread-practice{grid-template-columns:1fr;padding:22px;gap:20px}.spread-practice>div:first-child{padding:0}.spread-practice h2{font-size:30px;margin-bottom:17px}.spread-practice>div:first-child p{font-size:13px}.spread-practice .board-shell{padding:14px}.spread-practice .board-top{font-size:7px;letter-spacing:.6px}.spread-practice .board-shell>h3{font-size:21px}.spread-practice .board-shell>p{font-size:12px}.spread-practice .board-tools{gap:7px}.spread-practice .small-button{font-size:9px}.spread-practice .board-next{font-size:9px;padding:8px}.chapter-revelation{padding:17px}.chapter-revelation p{font-size:14px}}
.task-answer{border-top:1px solid #c8bba4;border-bottom:1px solid #c8bba4;padding:10px 0;margin:16px 0 22px}.task-answer summary{font-size:11px;font-weight:800;cursor:pointer;color:#b63527}.task-answer p{font-size:13px;line-height:1.8;margin-top:14px}.task-answer[open]{padding-bottom:2px}

/* Edition 0.5: each spread opens with three original story panels. */
.comic-book-page .reading-spread {grid-template-columns:32% 68%}
.comic-book-page .reading-spread:before {display:none}
.comic-scene-heading {padding:27px 30px 22px;display:flex;align-items:baseline;gap:25px;border-bottom:1px solid #c9bda7}
.comic-scene-heading .reading-kicker {flex-shrink:0;font-size:8px}
.comic-scene-heading h2 {font-size:29px;line-height:1.15;letter-spacing:-1px;margin:0;font-weight:900}
.comic-sequence {grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;padding:26px 30px 30px;border-bottom:1.5px solid #191917;align-items:start;background:#f8f4ea}
.comic-panel {margin:0;min-width:0;display:flex;flex-direction:column;gap:17px}
.comic-art {position:relative;aspect-ratio:1;overflow:hidden;background:#eee4d1;border:1.5px solid #191917;box-shadow:3px 3px 0 #d3c6ae;isolation:isolate}
.comic-art img {position:absolute;max-width:none;width:300%;height:calc(var(--comic-rows)*100%);left:calc(var(--comic-col)*-100%);top:calc(var(--comic-row)*-100%);object-fit:fill}
.comic-frame-number {position:absolute;top:0;left:0;background:#f8f4ea;border-right:1px solid #191917;border-bottom:1px solid #191917;padding:7px 10px;font-size:9px;line-height:1;font-weight:900;letter-spacing:1px}
.comic-dialogue {position:relative;border:1px solid #80745e;border-radius:3px 17px 17px 17px;padding:14px 18px 16px;background:#fffbf2;min-height:116px}
.comic-dialogue:before {content:'';position:absolute;width:12px;height:12px;top:-7px;left:27px;border-top:1px solid #80745e;border-left:1px solid #80745e;background:#fffbf2;transform:rotate(45deg)}
.comic-speaker {font-size:8px;text-transform:uppercase;letter-spacing:1.5px;color:#b83728;font-weight:900}
.comic-dialogue p {font-size:16px;line-height:1.55;font-weight:700;color:#26231c;margin:8px 0 0;overflow-wrap:break-word}
.comic-book-page .reading-side {padding:32px 28px;top:20px;background:transparent;border:0}
.comic-book-page .page-message {margin-top:0;padding-left:16px}
.comic-book-page .page-message p {font-size:17px;line-height:1.65}
.scene-bridge {font-size:12px;line-height:1.85;margin:25px 0 0;color:#736959}
.comic-reading-order {display:block;font-size:7px;line-height:1.8;letter-spacing:1px;margin-top:28px;color:#837663}
.comic-book-page .reading-text {border-left:1px solid #c8baa2;padding-top:32px}
.comic-book-page .reading-text>.reading-kicker {display:block;margin-bottom:24px}
@media(max-width:1000px) and (min-width:561px) {
 .comic-sequence {padding:22px;gap:16px}
 .comic-dialogue {padding:13px 14px;min-height:130px}
 .comic-dialogue p {font-size:14px}
 .comic-scene-heading {padding:24px 22px}
 .comic-scene-heading h2 {font-size:25px}
 .comic-book-page .reading-spread {grid-template-columns:30% 70%}
 .comic-book-page .reading-side {padding:27px 20px}
 .comic-book-page .page-message p {font-size:15px}
 .comic-book-page .reading-text {padding:28px}
}
@media(max-width:560px) {
 .comic-scene-heading {padding:22px 20px;display:block}
 .comic-scene-heading h2 {font-size:29px;margin-top:12px;letter-spacing:-.9px}
 .comic-sequence {grid-template-columns:minmax(0,1fr);padding:21px 20px 26px;gap:27px}
 .comic-panel {gap:16px}
 .comic-art {box-shadow:3px 3px 0 #d3c6ae}
 .comic-frame-number {font-size:8px;padding:8px 10px}
 .comic-dialogue {padding:14px 18px 17px;min-height:0}
 .comic-dialogue p {font-size:17px;line-height:1.6;margin-top:7px}
 .comic-speaker {font-size:8px}
 .comic-book-page .reading-spread {grid-template-columns:minmax(0,1fr)}
 .comic-book-page .reading-side {position:static;display:block;padding:26px 22px 23px;border-bottom:1px solid #c8baa2;background:#eee5d3}
 .comic-book-page .page-message p {font-size:16px;line-height:1.7}
 .scene-bridge {font-size:12px;margin-top:18px;line-height:1.85}
 .comic-reading-order {display:none}
 .comic-book-page .reading-text {border:0;padding:27px 22px 30px}
 .comic-book-page .reading-text>.reading-kicker {margin-bottom:23px}
}

/* Font-independent navigation arrows: identical on desktop and iOS. */
.arrow-icon{display:inline-block;width:1em;height:1em;flex-shrink:0;vertical-align:-.14em;color:inherit}

/* Reserve the fixed reader bar when the browser reveals a keyboard target. */
html.book-reading{scroll-padding-bottom:120px}
.book-reader :is(a,button,input,select,textarea,summary){scroll-margin-bottom:120px}

/* Keep the paper controls while removing platform-specific button painting. */
button{-webkit-appearance:none;appearance:none}

/* Touch layouts retain the desktop typography and ink/paper palette. */
@media(max-width:900px),(pointer:coarse){
 .header-inner{gap:12px}
 .brand{min-height:44px}
 .header-actions{gap:6px;flex:0 0 auto}
 .icon-button,.menu-button{place-items:center;width:44px;height:44px;min-width:44px;min-height:44px;flex:0 0 44px;padding:0}
 .icon-button{display:grid}
 .points-button{min-height:44px;min-width:44px;justify-content:center;flex-shrink:0}
 .close{display:grid;place-items:center;width:44px;height:44px;min-width:44px;min-height:44px;flex:0 0 44px;padding:0}
 .main-nav a{display:inline-flex;align-items:center;min-height:44px;max-width:100%}

 .reader-index summary,.board-text-alt>summary,.task-answer>summary,details.nojs-answer>summary{min-height:44px;padding:12px 0;font-size:12px;line-height:1.5;list-style-position:inside}
 .reader-index[open] nav{top:calc(100% + 8px)}
 .reader-index nav a{min-height:44px;align-items:center;font-size:12px;line-height:1.5}

 .board-shell .board-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-items:stretch}
 .board-shell .board-tools .small-button,.board-shell .board-tools .board-next{min-width:0;min-height:44px;padding:10px 8px;font-size:12px;line-height:1.4;white-space:normal}
 .board-shell .board-tools .board-next{grid-column:1/-1;width:100%}
 .coordinates{font-size:11px}
 .reader-copy .quiz-answers button{min-height:44px;font-size:12px}
 .book-workshop .practice-options span{font-size:12px}

 .reader-controls{grid-template-columns:minmax(0,1fr) minmax(0,.75fr) minmax(0,1fr);gap:6px}
 .reader-controls button{min-width:0;min-height:44px;padding:8px 6px;font-size:11px;line-height:1.35;gap:5px}
 .reader-controls button span:first-child{flex-shrink:1}
 .reader-controls button span[data-book-prev-label],.reader-controls button span[data-book-next-label]{min-width:0;flex:1 1 auto;white-space:normal;overflow-wrap:anywhere}
 .reader-controls button span:not([data-book-prev-label]):not([data-book-next-label]){flex:0 0 auto}
 .reader-controls [data-book-position]{font-size:10px;line-height:1.45;overflow-wrap:anywhere}
 .book-reading body{padding-bottom:110px}

 .reader-outside{flex-wrap:wrap;gap:12px;font-size:12px;line-height:1.5}
 .reader-outside a{display:inline-flex;align-items:center;min-height:44px;max-width:100%;padding:10px 0}
 .book-footer .footer-links{gap:4px 18px}
 .book-footer .footer-links a{display:inline-flex;align-items:center;min-height:44px;font-size:12px;line-height:1.5}
 .book-footer .footer-brand>a{display:inline-flex;align-items:center;min-height:44px}
 .breadcrumbs{align-items:center}
 .breadcrumbs a,.gift-teaser>a{display:inline-flex;align-items:center;min-height:44px;max-width:100%;font-size:12px;line-height:1.5}
 .text-link,.puzzle-link{display:inline-flex;align-items:center;min-height:44px;max-width:100%;font-size:12px;line-height:1.5}
}

@media(max-width:560px){
 .reader-copy .diagram-pair{grid-template-columns:minmax(0,1fr);gap:14px}
 .reader-copy .go-diagram svg text{font-size:12px}
 .reader-copy .go-diagram figcaption{font-size:12px;line-height:1.6}
 .reader-copy .score-demo table{font-size:12px;table-layout:fixed}
 .reader-copy .score-demo th,.reader-copy .score-demo td{padding:9px 4px;overflow-wrap:anywhere}
 .reader-copy .score-demo th:first-child,.reader-copy .score-demo td:first-child{width:54%}
}

@media(max-width:380px){
 .site-header .wrap{padding-left:14px;padding-right:14px}
 .header-inner{gap:8px}
 .header-actions{gap:2px}
 .brand-stone{width:28px;height:28px;font-size:18px}
 .brand{gap:7px}
 .brand strong{font-size:18px;letter-spacing:-.7px}
 .brand small{letter-spacing:1px}
 .points-button{padding-left:6px;padding-right:6px;gap:4px}
 .book-workshop,.spread-practice{padding-left:12px;padding-right:12px}
 .book-workshop .board-shell,.spread-practice .board-shell{padding:8px}
 .reader-copy .inline-board{margin-inline:-12px}
 .reader-copy .inline-board .board-shell{padding:8px}
}

@media(max-width:900px){.menu-button{display:grid;place-items:center}.main-nav{display:none;position:absolute;top:77px;left:0;right:0;border-bottom:2px solid #191917;background:#f6f2e8;padding:25px;box-shadow:0 15px 20px #0002}.main-nav.open{display:flex;flex-wrap:wrap;gap:24px}}
@media(max-width:900px),(pointer:coarse){.button{min-height:44px}.reader-copy .quiz-answers button{font-size:13px;min-height:44px;line-height:1.6}.breadcrumbs a,.gift-teaser>a{min-height:44px}}

@media(max-width:900px),(pointer:coarse){.main-nav a{display:inline-flex;align-items:center;min-height:44px}}