:root{--ink:#173142;--muted:#536874;--navy:#0b2c3b;--teal:#12626a;--green:#edf7f0;--green-border:#b8d8c3;--gold:#e9bb5a;--paper:#fff;--line:#dce5e9;--body:Carlito,Arial,sans-serif;font-family:var(--body);font-synthesis:none;color:var(--ink);background:#f4f7f9}
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*{box-sizing:border-box}body{margin:0;font-size:1.125rem;line-height:1.5}a{color:var(--teal);text-underline-offset:.2em}a:hover{color:#09383c}button,select{font:inherit}button{cursor:pointer}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin-top:0}h1,h2,h3{overflow-wrap:anywhere}h1{font-size:clamp(2.1rem,5vw,3.7rem);line-height:1.06;letter-spacing:-.035em;font-weight:700}h2{font-size:1.75rem;line-height:1.16;letter-spacing:-.018em}h3{font-size:1.25rem;line-height:1.25}p{margin-bottom:1em}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #ac7511;outline-offset:5px}.skip{position:fixed;top:-6rem;left:1rem;z-index:5;background:white;padding:.8rem}.skip:focus{top:1rem}
.header{background:var(--navy);color:#fff;border-bottom:4px solid var(--gold)}.header-inner{max-width:1440px;padding:1.05rem 3.5%;margin:auto;display:flex;gap:2rem;align-items:center;justify-content:space-between}.brand{color:#fff!important;text-decoration:none;font-size:1.6rem;font-weight:700;letter-spacing:.1em;white-space:nowrap}.brand small{display:block;font-size:.73rem;letter-spacing:.12em;color:#b9d2d8;font-weight:400}.header nav{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem}.header nav a{color:#e8f1f4;text-decoration:none;font-size:1rem;padding:.4rem 0}.header nav a[aria-current=page]{border-bottom:2px solid var(--gold);color:#fff}.edition-strip{padding:.45rem 3.5%;font-size:.9rem;background:#e4edf0;color:#365462}.edition-strip-inner{max-width:1340px;margin:auto;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.wrap{max-width:1380px;margin:auto;padding:2.6rem 3.5% 4rem}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:.88rem;color:var(--teal);font-weight:700;margin-bottom:.65rem}.muted{color:var(--muted)}.intro{max-width:52rem}.intro>p{font-size:1.25rem;line-height:1.4}.book-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:2rem}.book{background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:40% 1fr;overflow:hidden;border-radius:5px}.book-cover{background:var(--navy);display:block}.book-cover img{height:100%;width:100%;object-fit:cover;object-position:top}.book-info{padding:1.7rem;display:flex;flex-direction:column;align-items:flex-start}.book-info h2{font-size:2rem;margin-bottom:1rem}.book-info p{font-size:1.05rem}.button{display:inline-block;text-decoration:none;font-weight:700;border:1px solid var(--teal);background:var(--teal);color:white!important;padding:.65rem 1.15rem;border-radius:3px;min-height:44px}.button:hover{background:#0d4d54}.button.secondary{background:transparent;color:var(--teal)!important}.book-info .button{margin-top:auto}.home-foot{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:2rem;padding:1.6rem 0;border-top:1px solid var(--line)}.home-foot p{max-width:35rem}.home-foot h2{font-size:1.4rem}.home-foot a{font-weight:700}
.breadcrumbs{display:flex;gap:.5rem;flex-wrap:wrap;color:var(--muted);font-size:1rem;margin-bottom:1.6rem}.breadcrumbs a{text-decoration:none}.volume-head{display:grid;grid-template-columns:190px 1fr;gap:2rem;align-items:center;margin-bottom:2.6rem;max-width:58rem}.volume-head img{border-radius:3px;box-shadow:0 12px 28px #112e3e22}.volume-head h1{margin-bottom:1rem}.topic-list{list-style:none;padding:0;margin:0}.topic-list li{border-bottom:1px solid var(--line)}.topic-list a{display:flex;gap:1rem;align-items:baseline;text-decoration:none;padding:1rem .7rem;color:var(--ink)}.topic-list a:hover{background:#e8f1f4}.topic-list .num{color:var(--teal);font-size:.95rem;min-width:2rem;flex:none}.topic-list small{margin-left:auto;color:var(--muted);font-size:.9rem;text-align:right}.index-columns{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem 3rem}.group-title{margin:1.7rem 0 .5rem;font-size:1.25rem;color:var(--teal)}
.reading-layout{display:grid;grid-template-columns:255px minmax(0,1fr);gap:3rem;align-items:start}.sidebar{position:sticky;top:1.5rem;max-height:calc(100vh - 3rem);overflow:auto;padding-right:1rem;scrollbar-width:thin}.sidebar summary{font-weight:700;font-size:1.1rem;cursor:pointer;margin-bottom:.7rem}.sidebar .topic-list a{font-size:1rem;line-height:1.28;padding:.65rem .4rem}.sidebar .topic-list .num{min-width:1.7rem;font-size:.8rem}.sidebar .topic-list a[aria-current=page]{background:#dcebef;color:var(--teal);font-weight:700;border-left:3px solid var(--teal)}.sidebar .group-title{font-size:1rem;margin-top:1.25rem}.reader{min-width:0;max-width:52rem;background:white;border:1px solid var(--line);padding:2.7rem 3rem 2rem;border-radius:3px}.reader h1{font-size:clamp(2.15rem,4vw,3rem)}.article-meta{font-size:.95rem;color:var(--muted);padding-bottom:1.2rem;border-bottom:1px solid var(--line);margin-bottom:1.8rem;display:flex;gap:1rem;flex-wrap:wrap}.article-meta a{text-decoration:none}.reading-copy{text-align:left;font-size:1.375rem;line-height:1.375;overflow-wrap:break-word;hyphens:manual}.reading-copy p{margin:0 0 1rem}.reading-copy h2{font-size:1.55rem;line-height:1.25;margin-top:1.9rem;margin-bottom:1rem}.reading-copy .caption{font-size:1rem;line-height:1.4;color:var(--muted)}.reading-copy .small-note{font-size:1.08rem;line-height:1.4}.reading-copy figure{margin:0 0 1.8rem}.reading-copy figure img{width:100%;border-radius:3px}.reading-copy.fable{font-family:Georgia,serif;font-size:1.45rem;line-height:1.42}.reading-copy.fable figure{margin-left:-1.5rem;margin-right:-1.5rem}.fable-notice{font-size:.96rem;color:var(--muted);margin-bottom:1.5rem}.sources-end{margin-top:2.5rem;border-top:2px solid var(--teal);padding-top:1.5rem}.sources-end>h2{font-size:1.4rem}.source-card{background:var(--green);border:1px solid var(--green-border);border-left:4px solid #528b64;padding:1.4rem;margin:0 0 1.3rem;scroll-margin-top:1rem;text-align:left;border-radius:2px;min-width:0}.source-card .eyebrow{font-size:.8rem;margin-bottom:.5rem;color:#2c6845}.source-card h3{font-size:1.3rem;margin-bottom:.85rem;color:#124d3d}.source-summary{font-size:1.18rem;line-height:1.38;margin-bottom:1.25rem}.source-evidence{display:grid;grid-template-columns:112px minmax(0,1fr);gap:1.1rem;align-items:start}.qr{width:112px;aspect-ratio:1;background:white;padding:5px;border:1px solid #d2e2d8}.source-link{font-weight:700;display:inline-block;min-height:38px;font-size:1.04rem}.url{font-size:.95rem;line-height:1.35;overflow-wrap:anywhere;display:block;margin:.1rem 0 .65rem}.source-notes{font-size:.96rem;line-height:1.35}.source-notes p{margin-bottom:.55rem}.source-extra{font-size:.95rem;line-height:1.35;border-top:1px solid #c7dece;padding-top:.85rem;margin:.9rem 0 0}.source-extra summary{cursor:pointer;font-weight:700;min-height:35px}.status{font-size:.88rem;line-height:1.35;margin-top:.8rem;color:#3d6450}.status.issue{background:#fff6dc;color:#6e5117;padding:.55rem .7rem;border:1px solid #e7d6a6}.added-note,.proposal{font-size:.95rem;line-height:1.4;background:#fff;border:1px solid #cbded0;padding:.6rem .8rem;margin-bottom:1rem}.proposal{color:#73551c;border-color:#e4d29e;background:#fff9e7}.topic-navigation{display:flex;justify-content:space-between;gap:2rem;margin-top:2rem;border-top:1px solid var(--line);padding-top:1.3rem;font-size:1rem}.topic-navigation a{max-width:45%;text-decoration:none}.topic-navigation strong{display:block;margin-top:.35rem;color:var(--ink)}.topic-navigation a:last-child{text-align:right}.source-intro{max-width:55rem}.source-intro h1{margin-bottom:1rem}.source-jump{display:flex;gap:.7rem;align-items:center;flex-wrap:wrap;padding:1.15rem;background:#e3edf0;margin:1.5rem 0 2rem;font-size:1rem}.source-jump select{max-width:100%;min-width:250px;min-height:44px;padding:.4rem;background:white;border:1px solid #a9bdc7;border-radius:3px}.source-directory{max-width:60rem}.source-use{font-size:.95rem;padding-top:.8rem;margin-top:1rem;border-top:1px solid #c7dece}.source-use a{margin-right:1rem}.credits{max-width:60rem;margin-top:3rem}.archive-controls{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin:1.5rem 0}.archive-controls select{padding:.55rem;min-height:44px;max-width:100%}.archive-page{max-width:800px;margin:auto}.facsimile{box-shadow:0 6px 26px #17314222;background:white;margin:0 auto 2rem}.archive-transcript{background:#fff;border:1px solid var(--line);padding:1.5rem}.archive-transcript summary{font-weight:700;cursor:pointer}.archive-transcript p{font-size:1.1rem;line-height:1.5;margin-top:1rem;overflow-wrap:anywhere}.footer{background:var(--navy);color:#c9dbe2;padding:1.5rem 3.5%;font-size:.95rem}.footer-inner{max-width:1340px;margin:auto;display:flex;gap:1rem;flex-wrap:wrap;justify-content:space-between}.footer a{color:#f1f6f8}.notfound{max-width:40rem}.check-note{font-size:1rem;line-height:1.4;max-width:55rem}
@media(min-width:981px){.sidebar>details>summary{display:none}.sidebar>details:not([open])>*:not(summary){display:block!important}}
@media(max-width:1050px){.reader{padding:2rem}.reading-layout{grid-template-columns:225px minmax(0,1fr);gap:1.5rem}.book-info{padding:1.1rem}.book-info h2{font-size:1.65rem}}
@media(max-width:980px){.reading-layout{display:block}.sidebar{position:static;max-height:none;overflow:visible;padding:0;margin-bottom:1.4rem;border:1px solid #bcd0d8;background:#e8f0f3}.sidebar summary{padding:.9rem;margin:0}.sidebar .topic-list,.sidebar .group-title{margin-left:1rem;margin-right:1rem}.sidebar details[open]{max-height:65vh;overflow:auto}.reader{max-width:none}.index-columns{grid-template-columns:1fr}.book-grid{gap:1rem}.book{display:block}.book-cover{max-height:270px;overflow:hidden}.book-cover img{height:270px;object-fit:cover;object-position:50% 20%}.book-info .button{margin-top:.75rem}.book-info{padding:1.5rem}.volume-head{grid-template-columns:145px 1fr}}
@media(max-width:600px){.header-inner{display:block;padding:1rem 5%}.brand{display:inline-block}.header nav{margin-top:.9rem;gap:.3rem 1.3rem}.header nav a{font-size:1rem}.edition-strip{padding:.55rem 5%}.edition-strip-inner span:last-child{display:none}.wrap{padding:1.7rem 4% 3rem}.book-grid,.home-foot{grid-template-columns:1fr}.book{display:grid;grid-template-columns:35% 1fr}.book-cover{max-height:none}.book-cover img{height:100%;object-fit:cover;object-position:50% 0}.book-info{padding:1.15rem}.book-info h2{font-size:1.5rem}.book-info p{font-size:.98rem}.button{font-size:1rem;padding:.55rem .75rem}.volume-head{grid-template-columns:90px 1fr;gap:1rem}.volume-head h1{font-size:2rem}.volume-head p{font-size:1rem;margin-bottom:.5rem}.reader{padding:1.5rem 1.1rem;border-radius:0}.reader h1{font-size:2.25rem}.reading-copy{font-size:1.3rem}.reading-copy.fable{font-size:1.35rem}.reading-copy.fable figure{margin-left:0;margin-right:0}.source-card{padding:1.05rem .9rem;border-left-width:3px}.source-evidence{grid-template-columns:88px minmax(0,1fr);gap:.8rem}.qr{width:88px}.source-summary{font-size:1.15rem}.source-card h3{font-size:1.2rem}.url,.source-notes{font-size:.95rem}.topic-navigation{gap:1rem}.topic-list small{display:none}.source-jump select{min-width:0;width:100%}.source-jump{display:block}.source-jump label{display:block;margin-bottom:.5rem}.footer-inner{display:block}.footer-inner span{display:block;margin:.3rem 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.header,.edition-strip,.sidebar,.footer,.topic-navigation,.breadcrumbs,.source-jump,.archive-controls{display:none!important}.wrap{padding:0;max-width:none}.reading-layout{display:block}.reader{max-width:none;border:0;padding:0}.source-card{break-inside:avoid}.source-extra{display:block}.source-extra>*{display:block!important}.source-card .qr{display:block}.source-use{display:none}body{background:white;color:black;font-size:12pt}.reading-copy{font-size:16pt;line-height:1.375}.reading-copy figure{max-width:70%;margin:auto}.book-grid{display:block}}

.web-book .book-info{width:100%;padding:1.8rem}.volume-head.web-only{display:block}.volume-head.web-only>div{max-width:750px}

.qr-link{display:block;width:max-content;max-width:100%}.qr-link:focus-visible{outline:3px solid var(--teal);outline-offset:3px}

.editorial-note{font-size:1rem;line-height:1.5;color:var(--ink);max-width:55rem}.editorial-note summary{cursor:pointer;font-weight:600;min-height:44px}.editorial-note p{margin:.8rem 0}.editorial-note small{font-size:.875rem;color:var(--muted)}

.path-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:1.5rem}.path-card,.reading-group{background:white;border:1px solid var(--line);border-radius:14px;padding:1.1rem;margin-bottom:1rem}.reading-group>summary{font-weight:700;font-size:1.3rem;cursor:pointer;padding:.4rem;min-height:44px}.activity-invite{background:#fff4cf;padding:1.3rem;border-radius:14px;margin:1.5rem 0}.sidebar .reading-group{padding:.5rem}.sidebar .reading-group>summary{font-size:1rem}.header-inner{flex-wrap:wrap}

/* R168: shared reading quality, all six books; original artwork and text retained. */
.reading-copy{line-height:1.65}
.reader h1,.reader h2,.reader h3,.narrative h3{text-wrap:balance;word-break:normal}
.reading-copy p,.narrative p{orphans:3;widows:3}
@media(max-width:600px){.reading-copy p,.narrative p{text-align:left;text-align-last:left}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* R169: reviewed foreign lettering remains selectable and can grow without covering the art. */
.reader .localised-reading-plate{max-width:48rem;margin:1.5rem auto;background:#fffcef;border:0}
.plate-original-art{position:relative;overflow:hidden;width:100%}
.plate-original-art>img{position:absolute;left:0;top:0;display:block;width:100%;max-width:none;height:auto;margin:0}
.plate-original-art .plate-internal-label{position:absolute;display:flex;align-items:center;justify-content:center;background:#f7edcf;color:#174b45;font:italic 600 clamp(7px,1.4vw,16px)/1.1 Georgia,serif;text-align:center;white-space:nowrap}
.reader .plate-lettering{position:relative;padding:1.4rem clamp(1rem,4vw,2.4rem);color:#164d48;font-family:Georgia,'Times New Roman',serif;font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.65}
.plate-lettering h3{position:relative;margin:0 0 1rem;padding-inline:3.5rem;font:700 clamp(1.2rem,2.5vw,1.65rem)/1.3 Georgia,serif;text-align:center;text-wrap:balance}
.plate-lettering h3:before,.plate-lettering h3:after{content:'';position:absolute;top:.1rem;width:48px;height:38px;background:center/contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 55'%3E%3Cpath d='M5 45 Q35 24 72 8' fill='none' stroke='%235d713a' stroke-width='2'/%3E%3Cg fill='%237b8b48'%3E%3Cellipse cx='18' cy='33' rx='6' ry='15' transform='rotate(-45 18 33)'/%3E%3Cellipse cx='34' cy='27' rx='5' ry='15' transform='rotate(25 34 27)'/%3E%3Cellipse cx='48' cy='15' rx='5' ry='14' transform='rotate(-38 48 15)'/%3E%3Cellipse cx='60' cy='19' rx='5' ry='13' transform='rotate(50 60 19)'/%3E%3C/g%3E%3Cellipse cx='33' cy='38' rx='5' ry='7' fill='%23465931'/%3E%3C/svg%3E")}
.plate-lettering h3:before{left:0}.plate-lettering h3:after{right:0;transform:scaleX(-1)}
.reader .plate-lettering p{max-width:60ch;margin-inline:auto;font:inherit;line-height:1.65;text-align:left;margin:0 0 1.2rem}
.plate-lettering small{display:block;font-size:.7rem;text-align:center;letter-spacing:.035em}
@media(max-width:480px){.plate-lettering h3{padding-inline:2.5rem}.plate-lettering h3:before,.plate-lettering h3:after{width:34px;height:30px}}
.diagram-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;align-items:start}
.diagram-paths{grid-template-columns:repeat(5,minmax(0,1fr))}
.diagram-step{text-align:center;min-width:0;padding:.75rem .25rem}
.diagram-icon{display:block;font:2.7rem/1.3 system-ui,sans-serif;margin-bottom:.6rem}
.reader .diagram-step p{margin:0;text-align:center;font:600 1rem/1.5 Georgia,serif;overflow-wrap:anywhere}
.reader .diagram-note{grid-column:1/-1;text-align:center;margin:.5rem 0 0;font-size:1.05rem}
@media(max-width:600px){.diagram-paths,.diagram-question{grid-template-columns:1fr}.diagram-paths .diagram-step,.diagram-question .diagram-step{display:flex;gap:1rem;align-items:center;padding:.3rem 0}.diagram-paths .diagram-icon,.diagram-question .diagram-icon{flex:0 0 3rem;margin:0}.reader .diagram-paths .diagram-step p,.reader .diagram-question .diagram-step p{text-align:left}.diagram-ice{gap:.5rem}.reader .diagram-ice .diagram-step p{font-size:.9rem}.diagram-icon{font-size:2rem}}

.plate-reading-prefix{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

/* R170: full diagram lettering in the reader's language. */
.diagram-weather{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:600px){.diagram-weather,.diagram-evidence,.diagram-past-climate{grid-template-columns:1fr}.diagram-weather .diagram-step,.diagram-evidence .diagram-step,.diagram-past-climate .diagram-step{display:flex;gap:1rem;align-items:center;padding:.3rem 0}.diagram-weather .diagram-icon,.diagram-evidence .diagram-icon,.diagram-past-climate .diagram-icon{flex:0 0 3rem;margin:0}.reader .diagram-weather .diagram-step p,.reader .diagram-evidence .diagram-step p,.reader .diagram-past-climate .diagram-step p{text-align:left}}

/* R171: explanatory schemes remain readable and preserve their limiting notes. */
.energy-flow{display:block;width:100%;height:auto;margin:0 0 1rem}.diagram-observer,.diagram-energy,.diagram-industry,.diagram-rate,.diagram-scenarios,.diagram-ocean{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:600px){.diagram-observer,.diagram-energy,.diagram-industry,.diagram-rate,.diagram-scenarios,.diagram-ocean{grid-template-columns:1fr}.diagram-observer .diagram-step,.diagram-energy .diagram-step,.diagram-industry .diagram-step,.diagram-rate .diagram-step,.diagram-scenarios .diagram-step,.diagram-ocean .diagram-step{display:flex;gap:1rem;align-items:center;padding:.3rem 0}.diagram-observer .diagram-icon,.diagram-energy .diagram-icon,.diagram-industry .diagram-icon,.diagram-rate .diagram-icon,.diagram-scenarios .diagram-icon,.diagram-ocean .diagram-icon{flex:0 0 3rem;margin:0}.reader .diagram-observer .diagram-step p,.reader .diagram-energy .diagram-step p,.reader .diagram-industry .diagram-step p,.reader .diagram-rate .diagram-step p,.reader .diagram-scenarios .diagram-step p,.reader .diagram-ocean .diagram-step p{text-align:left}}

/* R173: numbered reading order, full-width qualifications. */
.diagram-rain,.diagram-dryland,.diagram-sea-rise{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:600px){.diagram-rain,.diagram-dryland,.diagram-sea-rise{grid-template-columns:1fr}.diagram-rain .diagram-step,.diagram-dryland .diagram-step,.diagram-sea-rise .diagram-step{display:flex;gap:1rem;align-items:center;padding:.3rem 0}.diagram-rain .diagram-icon,.diagram-dryland .diagram-icon,.diagram-sea-rise .diagram-icon{flex:0 0 3rem;margin:0}.reader .diagram-rain .diagram-step p,.reader .diagram-dryland .diagram-step p,.reader .diagram-sea-rise .diagram-step p{text-align:left}}

/* R174: keep complete labels readable and source cautions separate. */
.diagram-glacier,.diagram-moving-home,.diagram-water-cycle,.diagram-rain-paths{grid-template-columns:repeat(2,minmax(0,1fr))}
.plate-original-art img[src*="I_077_00"]+.plate-internal-label{font-size:clamp(4px,1.1vw,14px);background:#d5b087;transform:rotate(7deg)}
@media(max-width:600px){.diagram-glacier,.diagram-moving-home,.diagram-water-cycle,.diagram-rain-paths{grid-template-columns:1fr}.diagram-glacier .diagram-step,.diagram-moving-home .diagram-step,.diagram-water-cycle .diagram-step,.diagram-rain-paths .diagram-step{display:flex;gap:1rem;align-items:center;padding:.3rem 0}.diagram-glacier .diagram-icon,.diagram-moving-home .diagram-icon,.diagram-water-cycle .diagram-icon,.diagram-rain-paths .diagram-icon{flex:0 0 3rem;margin:0}.reader .diagram-glacier .diagram-step p,.reader .diagram-moving-home .diagram-step p,.reader .diagram-water-cycle .diagram-step p,.reader .diagram-rain-paths .diagram-step p{text-align:left}}

/* R175: river illustration is explanatory, never a local hazard map. */
.diagram-river-rise{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:600px){.diagram-river-rise{grid-template-columns:1fr}.diagram-river-rise .diagram-step{display:flex;gap:1rem;align-items:center;padding:.3rem 0}.diagram-river-rise .diagram-icon{flex:0 0 3rem;margin:0}.reader .diagram-river-rise .diagram-step p{text-align:left}}

/* R176: complete labels remain readable at narrow widths. */
.reader .diagram-story-earth,.reader .diagram-water-energy{grid-template-columns:repeat(2,minmax(0,1fr))}
.reader .diagram-coral-bleaching,.reader .diagram-acidification{grid-template-columns:repeat(3,minmax(0,1fr))}
.reader :is(.diagram-story-earth,.diagram-coral-bleaching,.diagram-acidification,.diagram-water-energy) .diagram-step{display:flex;gap:.65rem;align-items:flex-start;min-width:0}
.reader :is(.diagram-story-earth,.diagram-coral-bleaching,.diagram-acidification,.diagram-water-energy) .diagram-icon{flex:0 0 auto}
@media(max-width:600px){.reader :is(.diagram-story-earth,.diagram-coral-bleaching,.diagram-acidification,.diagram-water-energy){grid-template-columns:1fr}}

/* R177: diagrams and blank activity tables follow translated reading text. */
.reader .diagram-roles{grid-template-columns:repeat(3,minmax(0,1fr))}
.reader .diagram-compare-choices{grid-template-columns:repeat(2,minmax(0,1fr))}
.reader :is(.diagram-roles,.diagram-compare-choices) .diagram-step{display:flex;gap:.65rem;align-items:flex-start;min-width:0}
.reader :is(.diagram-roles,.diagram-compare-choices) .diagram-icon{flex:0 0 auto}
.reader .activity-notebook{width:100%;table-layout:fixed;border-collapse:collapse;font:inherit}
.reader .activity-notebook th,.reader .activity-notebook td{border:1px solid #93b0ad;padding:.65rem;text-align:left;overflow-wrap:anywhere}
.reader .activity-notebook td{height:2.5rem}
@media(max-width:600px){.reader :is(.diagram-roles,.diagram-compare-choices){grid-template-columns:1fr}}

.reader :is(.diagram-lab-082,.diagram-lab-083,.diagram-lab-084,.diagram-lab-086,.diagram-lab-088,.diagram-lab-089,.diagram-lab-092,.diagram-lab-093){grid-template-columns:repeat(2,minmax(0,1fr))}
.reader :is(.diagram-lab-085,.diagram-lab-087,.diagram-lab-090,.diagram-lab-091,.diagram-lab-094){grid-template-columns:repeat(3,minmax(0,1fr))}
.reader [class*="diagram-lab-"] .diagram-step{display:flex;gap:.65rem;align-items:flex-start;min-width:0}
.reader [class*="diagram-lab-"] .diagram-icon{flex:0 0 auto}
.reader .activity-table-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}
.reader .activity-notebook.four-columns{min-width:680px}
@media(max-width:600px){.reader [class*="diagram-lab-"]{grid-template-columns:1fr}}

.reader :is(.diagram-closing-095,.diagram-closing-096,.diagram-closing-097,.diagram-closing-098){grid-template-columns:repeat(2,minmax(0,1fr))}
.reader .diagram-closing-103{grid-template-columns:repeat(3,minmax(0,1fr))}
.reader [class*="diagram-closing-"] .diagram-step{display:flex;gap:.65rem;align-items:flex-start;min-width:0}
.reader [class*="diagram-closing-"] .diagram-icon{flex:0 0 auto}
@media(max-width:600px){.reader [class*="diagram-closing-"]{grid-template-columns:1fr}}

/* Long source and contact URLs must wrap inside the reader. */
.reader p,.reader a{overflow-wrap:anywhere}

.reader .diagram-society-013{grid-template-columns:repeat(3,minmax(0,1fr))}
.reader .diagram-society-019{grid-template-columns:repeat(2,minmax(0,1fr))}
.reader [class*="diagram-society-"] .diagram-step{display:flex;gap:.65rem;align-items:flex-start;min-width:0}
.reader [class*="diagram-society-"] .diagram-icon{flex:0 0 auto}
@media(max-width:600px){.reader [class*="diagram-society-"]{grid-template-columns:1fr}}

.reader .diagram-water-place-022{grid-template-columns:repeat(2,minmax(0,1fr))}
.reader .diagram-water-place-024{grid-template-columns:repeat(3,minmax(0,1fr))}
.reader [class*="diagram-water-place-"] .diagram-step{display:flex;gap:.65rem;align-items:flex-start;min-width:0}
.reader [class*="diagram-water-place-"] .diagram-icon{flex:0 0 auto}
.reader .paired-original-plate{display:block;width:100%;height:auto}
.plate-original-art img[src*="II_050_00"]+.plate-internal-label{font:600 clamp(4px,.75vw,9px)/1.05 Georgia,serif;white-space:normal;background:#b99a66;transform:rotate(-7deg);padding:1px;box-sizing:border-box}
@media(max-width:600px){.reader [class*="diagram-water-place-"]{grid-template-columns:1fr}}

.reader .diagram-justice-032{grid-template-columns:repeat(3,minmax(0,1fr))}
.reader .diagram-justice-033{grid-template-columns:repeat(2,minmax(0,1fr))}
.reader [class*="diagram-justice-"] .diagram-step{display:flex;gap:.65rem;align-items:flex-start;min-width:0}
.reader [class*="diagram-justice-"] .diagram-icon{flex:0 0 auto}
.reader [class*="diagram-justice-"] .diagram-note{grid-column:1/-1}
@media(max-width:600px){.reader [class*="diagram-justice-"]{grid-template-columns:1fr}}

.reader .plate-section-heading{font-size:.75em;letter-spacing:.04em;margin-bottom:.7em}
.reader .diagram-closing-072{grid-template-columns:repeat(3,minmax(0,1fr))}
.plate-original-art img[src*="II_100_00"]+.plate-internal-label{font:600 clamp(6px,1.25vw,15px)/1.1 Georgia,serif;white-space:normal;background:#e6d3b0;transform:rotate(5deg);padding:2px;box-sizing:border-box}
@media(max-width:600px){.reader .diagram-closing-072{grid-template-columns:1fr}}