.atlas-lesson{--at-ink:var(--text,#263f58);--at-gold:var(--atlas-gold,#775727);--at-line:var(--line,#dcd8cf);max-width:1120px;margin:auto;color:var(--text,#243245);font-size:16px;line-height:1.75}.atlas-lesson *{box-sizing:border-box}.atlas-lesson .at-banner{background:#eae0cb;color:#554126;padding:9px 20px;border-radius:12px 12px 0 0;font-size:13px}.atlas-lesson .at-hero{padding:40px;background:var(--paper,#fff);border:1px solid var(--at-line);border-radius:0 0 18px 18px}.atlas-lesson .at-kicker{letter-spacing:.2em;color:var(--at-gold);font-size:12px;font-weight:700}.atlas-lesson h1{font-family:Georgia,serif;font-size:clamp(30px,4.3vw,48px);line-height:1.18;letter-spacing:-.035em;margin:18px 0}.atlas-lesson h2{font-size:26px;line-height:1.35;letter-spacing:-.025em}.atlas-lesson h3{font-size:18px;margin:24px 0 10px}.atlas-lesson p{color:inherit}.atlas-lesson button,.atlas-lesson select,.atlas-lesson input{font:inherit}.atlas-lesson button{cursor:pointer}.atlas-lesson button:focus-visible,.atlas-lesson a:focus-visible{outline:3px solid #d1a64f;outline-offset:3px}.atlas-lesson .at-tabs{display:flex;gap:6px;flex-wrap:wrap;padding:5px;background:var(--bg,#f1f3f4);border:1px solid var(--at-line);border-radius:12px;margin:28px 0 8px}.atlas-lesson .at-tabs button,.atlas-lesson .at-filters button{border:0;padding:11px 18px;border-radius:8px;background:transparent;color:inherit}.atlas-lesson [aria-pressed=true]{background:#263f58!important;color:#fff!important}.atlas-lesson .at-status,.atlas-lesson .at-small,.atlas-lesson .at-date{font-size:13px;color:var(--muted,#59677a)}.atlas-lesson .at-progress{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:13px}.atlas-lesson progress{accent-color:#9b753e;flex:1;min-width:180px;height:8px}.atlas-lesson .at-toc{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 28px}.atlas-lesson .at-toc a{padding:7px 12px;border:1px solid var(--at-line);border-radius:6px;font-size:12px;color:inherit;background:var(--paper,#fff);text-decoration:none}.atlas-lesson .at-section{padding:32px 36px;margin:20px 0;background:var(--paper,#fff);border:1px solid var(--at-line);border-radius:18px;scroll-margin-top:100px;overflow-wrap:anywhere}.atlas-lesson .at-section-top{display:flex;justify-content:space-between;gap:16px;align-items:start}.atlas-lesson .at-read{border:1px solid var(--at-line);border-radius:8px;background:transparent;color:inherit;padding:7px 12px;font-size:12px;flex-shrink:0}.atlas-lesson .at-read:disabled{color:#346b5d;cursor:default}.atlas-lesson .at-cause,.atlas-lesson .at-effect{border-left:3px solid #b9a278;padding-left:20px;margin:24px 0}.atlas-lesson .at-source{border-top:1px solid var(--at-line);border-bottom:1px solid var(--at-line);padding:6px 0 18px;margin:24px 0}.atlas-lesson blockquote{font-family:Georgia,serif;font-size:19px;margin:18px 0}.atlas-lesson details>summary{cursor:pointer;font-weight:600}.atlas-lesson .at-term{color:inherit;border:0;border-bottom:1px dotted #9b753e;background:none;padding:0;line-height:inherit}.atlas-lesson .at-terms{display:flex;flex-wrap:wrap;gap:10px}.atlas-lesson .at-terms button{background:transparent;border:1px solid var(--at-line);color:inherit;border-radius:8px;padding:10px 15px}.atlas-lesson .at-map{margin:28px 0}.atlas-lesson .at-map-open{padding:0;display:block;width:100%;background:#f5f0e5;border:1px solid #c8b793;border-radius:14px;overflow:hidden}.atlas-lesson .at-map svg{width:100%;height:auto;display:block}.atlas-lesson figcaption,.atlas-lesson .at-map-key{font-size:12px;line-height:1.6;margin-top:10px;color:var(--muted,#59677a)}.atlas-lesson .at-flow{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0;margin:25px 0}.atlas-lesson .at-flow li{border:1px solid var(--at-line);border-top:3px solid #9b753e;border-radius:8px;padding:13px;font-size:13px;position:relative}.atlas-lesson .at-flow li:not(:last-child):after{content:'→';position:absolute;right:-13px;top:35%;color:#9b753e}.atlas-lesson .at-table{max-width:100%;overflow:auto;margin:20px 0}.atlas-lesson table{border-collapse:collapse;width:100%;font-size:13px}.atlas-lesson th,.atlas-lesson td{border:1px solid var(--at-line);padding:13px;text-align:left;min-width:110px}.atlas-lesson th{background:#263f58;color:#fff;position:static}.atlas-lesson .at-rulers{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:15px}.atlas-lesson .at-rulers article{border:1px solid var(--at-line);border-radius:14px;padding:16px;font-size:13px}.atlas-lesson .at-rulers svg{max-width:150px;display:block;margin:auto}.atlas-lesson .at-rulers h3{margin:12px 0 6px}.atlas-lesson .at-rulers p{margin:8px 0}.atlas-lesson .at-filters{display:flex;flex-wrap:wrap;border:1px solid var(--at-line);padding:4px;border-radius:12px;gap:4px}.atlas-lesson .at-event{display:grid;grid-template-columns:150px 1fr;gap:20px;border-left:3px solid #86433c;border-bottom:1px solid var(--at-line);padding:18px 20px;margin:12px 0}.atlas-lesson .at-event.world{border-left-color:#2f756b}.atlas-lesson .at-event[hidden]{display:none}.atlas-lesson .at-event span{font-weight:700;display:block}.atlas-lesson .at-event small{font-size:11px;color:var(--muted,#59677a)}.atlas-lesson .at-event p{font-size:14px;margin:10px 0 0}.atlas-lesson .at-question{min-width:0;border:1px solid var(--at-line);border-radius:12px;padding:20px;margin:24px 0}.atlas-lesson .at-question legend{font-weight:650;padding:0 6px;max-width:100%;line-height:1.6}.atlas-lesson .at-option{display:flex;align-items:flex-start;gap:12px;padding:12px;border-bottom:1px solid var(--at-line);font-size:15px}.atlas-lesson .at-option input{margin-top:7px;accent-color:#263f58}.atlas-lesson .at-question label:not(.at-option){display:block;margin:10px 0}.atlas-lesson select,.atlas-lesson input[type=text]{display:block;width:100%;max-width:100%;padding:10px;border:1px solid var(--at-line);border-radius:8px;background:var(--paper,#fff);color:inherit;font-size:14px}.atlas-lesson .at-check{background:#263f58;color:#fff;border:0;border-radius:8px;padding:10px 18px;margin-top:15px}.atlas-lesson .at-feedback{font-size:14px;margin-top:15px}.atlas-lesson .at-total{border-top:2px solid #9b753e;margin-top:25px;padding-top:20px;font-weight:600}.atlas-lesson .at-dialog{width:min(1100px,94vw);max-height:90vh;border:1px solid var(--at-line);border-radius:16px;padding:25px;background:var(--paper,#fff);color:inherit}.atlas-lesson .at-dialog::backdrop{background:#142b3bb0}.atlas-lesson .at-close{display:block;margin-left:auto;border:1px solid var(--at-line);border-radius:8px;background:transparent;color:inherit;padding:7px 14px}.atlas-lesson .at-map-pan{overflow:auto;max-height:65vh;background:#f5f0e5}.atlas-lesson .at-map-pan svg{display:block;min-width:0;width:100%;max-width:none}.atlas-lesson .at-legacy{border-left:3px solid #9b753e;padding-left:16px;font-size:14px}.atlas-lesson a{color:var(--primary,#365aa0)}.at-admin-model textarea{width:100%;font:13px/1.6 monospace;min-height:260px}.atlas-lesson .at-more{padding-bottom:12px}
@media(max-width:900px){.atlas-lesson .at-rulers{grid-template-columns:repeat(2,minmax(0,1fr))}.atlas-lesson .at-flow{grid-template-columns:repeat(2,1fr)}.atlas-lesson .at-flow li:after{display:none}}
@media(max-width:600px){.atlas-lesson{font-size:15px}.atlas-lesson .at-hero{padding:23px 18px}.atlas-lesson .at-section{padding:22px 17px}.atlas-lesson h2{font-size:22px}.atlas-lesson .at-section-top{display:block}.atlas-lesson .at-read{margin-bottom:12px}.atlas-lesson .at-tabs button{flex:1;padding:10px 8px;font-size:13px}.atlas-lesson .at-rulers{grid-template-columns:1fr}.atlas-lesson .at-rulers article{display:grid;grid-template-columns:85px 1fr;gap:0 12px}.atlas-lesson .at-rulers svg{grid-row:span 5;width:85px}.atlas-lesson .at-event{grid-template-columns:1fr;gap:8px;padding:14px}.atlas-lesson .at-question{padding:13px}.atlas-lesson .at-option{padding:12px 2px}.atlas-lesson .at-flow{grid-template-columns:1fr}.atlas-lesson .at-filters button{font-size:12px;padding:9px}.atlas-lesson .at-dialog{padding:15px}.atlas-lesson .at-toc{max-height:180px;overflow:auto}}

.atlas-lesson [hidden]{display:none!important}#interactive-editor{grid-column:1/-1}.at-admin-model #at-author-fields textarea{font:inherit;min-height:90px}

.atlas-lesson .at-illustration{margin:24px 0}.atlas-lesson .at-illustration button{display:block;max-width:100%;border:0;background:transparent;padding:0}.atlas-lesson .at-illustration img{display:block;max-width:100%;height:auto;max-height:600px;object-fit:contain}.atlas-lesson .at-illustration figcaption{font-size:13px}


.at-chronicle{margin:20px 0;padding:16px;background:#f3ead7;border:1px solid #d8c49c;border-radius:12px}.at-chronicle button{display:block;width:100%;background:transparent;border:0;cursor:zoom-in}.at-chronicle img{display:block;width:100%;max-height:560px;object-fit:contain;min-height:100px}.at-chronicle figcaption{font-size:13px;line-height:1.6;margin-top:12px}.at-person-link{display:block;padding:12px;background:#f3ead7;border-radius:8px;font-size:14px}

.at-painted-portrait{margin:0 0 14px}.at-painted-portrait img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px}.at-painted-portrait figcaption{font-size:12px;margin-top:7px;color:#596574}

.at-atlas-map{display:block;width:100%;height:auto;max-width:none}.at-map-open{width:100%;padding:0;cursor:zoom-in}.at-map-pan{overflow:auto;max-height:75vh}.at-map-pan .at-atlas-map{min-width:100%}

.at-corner-portrait{float:right;width:150px;margin:0 0 20px 24px;text-align:center}.at-corner-portrait img{display:block;width:100%;border-radius:14px;box-shadow:0 4px 16px #24324520}.at-corner-portrait figcaption{font-size:12px;margin-top:6px}.at-section{display:flow-root}.atlas-lesson .at-section:has(.at-corner-portrait) .at-section-top{display:block}.atlas-lesson .at-section:has(.at-corner-portrait) .at-source,.atlas-lesson .at-section:has(.at-corner-portrait) .at-map{clear:both}@media(max-width:600px){.at-corner-portrait{width:98px;margin:0 0 12px 14px}.atlas-lesson .at-rulers article{display:block}}

.at-scholars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:8px 0 25px}.at-scholars figure{margin:0;padding:16px;background:#f7f3eb;border:1px solid #dfd6c6;border-radius:14px;display:flex;align-items:center;gap:18px}.at-scholars img{width:110px;height:150px;object-fit:contain;background:#ece7dd;border-radius:8px}.at-scholars figcaption span{display:block;font-size:13px;margin-top:7px}@media(max-width:650px){.at-scholars{grid-template-columns:1fr}.at-scholars img{width:90px;height:130px}}

/* Structured theory lessons share the existing reader and progress controls. */
.atlas-lesson .at-society{clear:both;margin:28px 0;padding:22px;background:#f5f2eb;border:1px solid var(--at-line);border-radius:14px}.atlas-lesson .at-social-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}.atlas-lesson .at-social-group{padding:18px;border-radius:12px;background:#e6efe9;border-top:4px solid #407360}.atlas-lesson .at-social-group-1{background:#f2e7d3;border-top-color:#a67a37}.atlas-lesson .at-social-group h4{font-size:20px;margin:0 0 15px}.atlas-lesson .at-social-item{margin:12px 0;padding:14px;background:var(--paper,#fff);border:1px solid var(--at-line);border-radius:9px}.atlas-lesson .at-social-item p{font-size:14px;line-height:1.65;margin:8px 0 0}.atlas-lesson .at-society figcaption{font-size:13px;margin-top:18px}.atlas-lesson .at-illustration.at-architecture{clear:both;padding:18px;border:1px solid var(--at-line);border-radius:14px}.atlas-lesson .at-architecture button{width:100%;cursor:zoom-in}.atlas-lesson .at-architecture img{width:100%;height:auto;max-height:none}.atlas-lesson .at-architecture figcaption{font-size:14px;line-height:1.7}.atlas-lesson .at-illustration{clear:both}@media(max-width:650px){.atlas-lesson .at-social-groups{grid-template-columns:1fr}.atlas-lesson .at-society{padding:12px}.atlas-lesson .at-illustration.at-architecture{padding:10px}}

/* Topic 5: consistent platform typography, readable historical dates. */
.atlas-lesson.at-topic5 {font-family:system-ui,-apple-system,"Segoe UI",sans-serif}
.atlas-lesson.at-topic5 .at-hero h1 {
  font-family:inherit;font-size:clamp(29px,4.2vw,47px);
  font-weight:800;line-height:1.17;letter-spacing:-.035em;
}
.atlas-lesson.at-topic5 .at-hero .at-topic5-period {
  display:block;font:inherit;color:inherit;letter-spacing:inherit;
  margin-top:.1em;
}
.atlas-lesson.at-topic5 .at-section h2,
.atlas-lesson.at-topic5 .at-section h3 {font-family:inherit}
.atlas-lesson.at-topic5 strong.at-date {
  font-size:inherit;line-height:inherit;color:inherit;
  font-weight:850;letter-spacing:inherit;
}
@media(max-width:600px){
  .atlas-lesson.at-topic5 .at-hero h1{font-size:clamp(27px,7vw,36px)}
}

/* Topic 6: legible, bounded study controls in both themes. */
.atlas-lesson.at-topic6 .at-toc a,.atlas-lesson.at-topic6 .at-terms button{border:1px solid #9d8c70;background:#f7f3e9;color:#382e23;border-radius:8px;padding:8px 12px;box-shadow:none}
.atlas-lesson.at-topic6 .at-term{border:1px solid #b6a688;border-radius:4px;background:#f7f3e9;color:#59401e;padding:0 4px;box-decoration-break:clone;cursor:pointer}
.atlas-lesson.at-topic6 .at-term:hover,.atlas-lesson.at-topic6 .at-term:focus-visible{background:#ece1c8;outline:2px solid #967139;outline-offset:2px}
body.dark .atlas-lesson.at-topic6 .at-toc a,body.dark .atlas-lesson.at-topic6 .at-terms button,body.dark .atlas-lesson.at-topic6 .at-term{background:#302b23;border-color:#9d8c70;color:#f1e4c9}
.atlas-lesson.at-topic6 .at-illustration img{object-fit:contain;object-position:center}

.atlas-lesson .at-government{margin:24px 0;padding:20px;border:1px solid #a79675;border-radius:12px;background:#f7f3e9}.at-government-head,.at-government-local{max-width:660px;margin:0 auto;padding:16px;text-align:center;border:2px solid #816443;border-radius:10px;font-weight:700}.at-government-branches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:30px 0;position:relative}.at-government-branches:before,.at-government-branches:after{content:"";position:absolute;left:50%;height:24px;border-left:2px solid #9b825c}.at-government-branches:before{top:0}.at-government-branches:after{bottom:0}.at-government-branches article{border:1px solid #a79675;border-top:3px solid #816443;border-radius:8px;padding:14px;background:#fffdf8}.at-government figcaption{margin-top:14px;font-size:.9em;line-height:1.5}.at-government p{margin:10px 0 0}body.dark .at-government{background:#29251f;color:#f1e4c9}body.dark .at-government article{background:#211e19}.at-emphasis{font-weight:800}@media(max-width:650px){.at-government-branches{grid-template-columns:1fr}.atlas-lesson .at-government{margin:18px 0;padding:14px}.at-government-branches article{padding:12px}}


/* Topic 8: titles retain one typeface and size, including highlighted dates. */
.atlas-lesson.at-topic8 h1,.atlas-lesson.at-topic8 h2,.atlas-lesson.at-topic8 h3{font-family:inherit}
.atlas-lesson.at-topic8 h1 .at-date,.atlas-lesson.at-topic8 h2 .at-date,.atlas-lesson.at-topic8 h3 .at-date{font:inherit;color:inherit;letter-spacing:inherit}
.atlas-lesson.at-topic8 .at-illustration.at-architecture{max-width:760px;margin-left:auto;margin-right:auto}
.atlas-lesson.at-topic8 .at-architecture img{max-height:700px;object-fit:contain}
.atlas-lesson.at-topic8 .at-emphasis{font-weight:800;color:inherit}

/* Romanov lessons retain the established reader, with unified heading dates. */
.atlas-lesson.at-romanovs h1,.atlas-lesson.at-romanovs h2,.atlas-lesson.at-romanovs h3{font-family:inherit}
.atlas-lesson.at-romanovs h1 .at-date,.atlas-lesson.at-romanovs h2 .at-date,.atlas-lesson.at-romanovs h3 .at-date{font:inherit;color:inherit;letter-spacing:inherit}
.atlas-lesson.at-romanovs .at-architecture img{max-height:660px;object-fit:contain}


.at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}.at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}.at-media-gallery .at-illustration{min-width:0;margin:15px 0}.at-media-gallery .at-illustration img{width:100%;height:320px;object-fit:contain}.at-media-trio .at-illustration img{height:280px}.at-reflection{margin-top:24px;padding:20px;background:#edf3ee;border-radius:12px}.at-reflection summary{cursor:pointer;color:#175a50}@media(max-width:650px){.at-media-gallery,.at-media-gallery.at-media-trio{grid-template-columns:1fr}.at-media-gallery .at-illustration img{height:auto;max-height:500px}}

.at-media-gallery.at-media-monarchs{grid-template-columns:repeat(4,minmax(0,1fr))}.at-media-monarchs .at-illustration img{height:180px}@media(max-width:650px){.at-media-gallery.at-media-monarchs{grid-template-columns:repeat(2,minmax(0,1fr))}}


.at-fold{margin:12px 0;border:1px solid #bdcfc9;border-radius:10px;padding:12px 16px}.at-fold>summary{cursor:pointer;font-weight:700;line-height:1.5}.at-section-fold{margin:0;border:0;padding:0}.at-section-fold>summary{font-size:1.35rem;padding:10px 0}.at-term-callout{max-width:520px;margin:24px auto;padding:24px;text-align:center;background:#fff0bd;color:#332800;border:2px solid #d2a52d;border-radius:12px;box-shadow:0 0 20px #e6bd5550}.at-term-callout strong{font-size:1.3rem}.dark .at-fold{border-color:#647d74}@media print{.at-fold>summary{font-weight:bold}.at-fold:not([open])>*{display:block}}
.atlas-lesson .at-section:has(>.at-section-fold){padding:12px 20px;margin:10px 0;border-radius:12px}.atlas-lesson .at-section-fold>summary{font-size:1.1rem}.atlas-lesson summary:focus-visible{outline:3px solid #d1a64f;outline-offset:4px}.atlas-lesson .at-fold:has(>.at-toc){background:var(--paper,#fff)}

/* Owner-approved adjacent portraits in topic 16, including narrow readers. */
#at-topic16-1 .at-media-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}

/* Owner-approved topic 17 galleries and the original eight ministries. */
#at-topic17-1 .at-media-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
#at-topic17-2 .at-media-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
#at-topic17-2 .at-media-gallery img{height:260px;object-fit:contain}
#at-topic17-11 .at-media-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
#at-topic17-11 .at-media-gallery img{height:330px;object-fit:contain}
#at-topic17-5 .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
#at-topic17-5 .at-media-gallery .at-illustration:last-child{grid-column:1/-1}
.at-ministries{background:var(--light,#f1effb);border:1px solid var(--line,#d6ceee);border-radius:12px;padding:20px;margin:24px 0}
.at-ministries ul{columns:2}.at-ministries li{break-inside:avoid;margin:6px 0}
@media(max-width:700px){#at-topic17-2 .at-media-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}#at-topic17-2 .at-media-gallery img{height:220px}#at-topic17-11 .at-media-gallery img{height:200px}.at-ministries ul{columns:1}}

/* Topic 18: portraits and expanded institutions. */
#at-topic18-1 .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
#at-topic18-4 .at-government-branches{grid-template-columns:1fr}
#at-topic18-4 .at-government-branches p{white-space:pre-line;line-height:2}
#at-topic18-13 .at-government-branches{grid-template-columns:repeat(2,minmax(0,1fr))}
#at-topic18-2 .at-media-gallery,#at-topic18-13 .at-media-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
#at-topic18-2 .at-media-gallery img,#at-topic18-13 .at-media-gallery img{height:270px;object-fit:contain}
#at-topic18-22 .at-media-trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
#at-topic18-22 .at-media-trio img{height:300px;object-fit:contain}
@media(max-width:700px){#at-topic18-13 .at-government-branches{grid-template-columns:1fr}#at-topic18-2 .at-media-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}#at-topic18-22 .at-media-trio img{height:180px}}

/* Approved topic 19: reformers, artists and diagrams. */
#at-topic19-7 .at-media-gallery,#at-topic19-8 .at-media-gallery,#at-topic19-9 .at-media-gallery,#at-topic19-13 .at-media-gallery,#at-topic19-14 .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}#at-topic19-7 .at-media-gallery img,#at-topic19-8 .at-media-gallery img,#at-topic19-9 .at-media-gallery img,#at-topic19-13 .at-media-gallery img,#at-topic19-14 .at-media-gallery img{height:320px;object-fit:contain}#at-topic19-1 .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}#at-topic19-1 .at-media-gallery img{height:400px;object-fit:contain}#at-topic19-16 .at-media-gallery,#at-topic19-23 .at-media-gallery,#at-topic19-26 .at-media-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}#at-topic19-16 .at-media-gallery img,#at-topic19-23 .at-media-gallery img,#at-topic19-26 .at-media-gallery img{height:300px;object-fit:contain}#at-topic19-3 .at-media-gallery,#at-topic19-15 .at-media-gallery,#at-topic19-17 .at-media-gallery,#at-topic19-27 .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}#at-topic19-25 .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}#at-topic19-25 .at-media-gallery .at-illustration:last-child{grid-column:1/-1}#at-topic19-28 .at-media-gallery{display:grid;grid-template-columns:1fr;gap:18px}[id^="at-topic19-"] .at-map img{max-height:none}@media(max-width:700px){#at-topic19-1 .at-media-gallery img{height:230px}#at-topic19-16 .at-media-gallery img,#at-topic19-23 .at-media-gallery img,#at-topic19-26 .at-media-gallery img{height:180px}#at-topic19-27 .at-media-gallery{grid-template-columns:1fr}}

/* Approved topic 20: circular pages in a row and complete architecture views. */
#at-topic20-10 .at-media-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}#at-topic20-10 .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}#at-topic20-10 .at-media-gallery.at-media-trio img{height:380px;width:100%;object-fit:contain}#at-topic20-28 .at-media-gallery{grid-template-columns:1fr}#at-topic20-28 .at-media-gallery img{height:auto;max-height:650px;width:100%;object-fit:contain}[id^="at-topic20-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-topic20-"] .at-media-gallery img{height:340px;object-fit:contain}#at-topic20-1 .at-media-gallery .at-illustration:last-child{grid-column:1/-1}#at-topic20-1 .at-media-gallery img{height:400px}#at-topic20-14 .at-media-gallery,#at-topic20-26 .at-media-gallery,#at-topic20-3 .at-media-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}#at-topic20-14 .at-media-gallery img{height:300px}[id^="at-topic20-"] .at-map img{max-height:none}@media(max-width:700px){[id^="at-topic20-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic20-"] .at-media-gallery img{height:auto;max-height:430px}#at-topic20-1 .at-media-gallery{grid-template-columns:repeat(2,minmax(0,1fr))!important}#at-topic20-1 .at-media-gallery img{height:240px}#at-topic20-10 .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))!important}#at-topic20-10 .at-media-gallery.at-media-trio img{height:200px}}

/* Approved topic 21: party cards, newspaper, spectra and architecture. */
#at-topic21-7 .at-government{border:2px solid #d6b773;background:#fff7dc;text-align:center}#at-topic21-7 .at-government-branches{grid-template-columns:repeat(2,minmax(0,1fr))}#at-topic21-7 .at-government-branches article:first-child{background:#fff0b8;border:2px solid #c99f45}#at-topic21-7 .at-government-branches article:last-child{background:#e3f1fa;border:2px solid #7eabc7}#at-topic21-7 .at-government-branches strong{font-size:25px}#at-topic21-7 .at-media-gallery .at-illustration:last-child{grid-column:1/-1}#at-topic21-7 .at-media-gallery .at-illustration:last-child img{height:auto;max-height:750px;width:100%;object-fit:contain}#at-topic21-23 .at-media-gallery,#at-topic21-24 .at-media-gallery{grid-template-columns:1fr}#at-topic21-23 .at-media-gallery img,#at-topic21-24 .at-media-gallery img{height:auto;max-height:650px;width:100%;object-fit:contain}[id^="at-topic21-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-topic21-"] .at-media-gallery img{height:340px;object-fit:contain}#at-topic21-1 .at-media-gallery img{height:420px}#at-topic21-6 .at-media-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}#at-topic21-28 .at-media-gallery{grid-template-columns:1fr}#at-topic21-28 .at-media-gallery img{height:auto;max-height:650px;width:100%;object-fit:contain}#at-topic21-28 .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}#at-topic21-28 .at-media-gallery.at-media-trio img{height:300px;object-fit:contain}#at-topic21-27 .at-media-gallery .at-illustration:last-child{grid-column:1/-1}#at-topic21-27 .at-media-gallery .at-illustration:last-child img{height:auto;max-height:520px;width:100%;object-fit:contain}[id^="at-topic21-"] .at-map img{max-height:none}@media(max-width:700px){[id^="at-topic21-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic21-"] .at-media-gallery img{height:auto;max-height:430px}#at-topic21-1 .at-media-gallery{grid-template-columns:repeat(2,minmax(0,1fr))!important}#at-topic21-1 .at-media-gallery img{height:240px}}

/* Approved topic 22: agrarian reform, galleries and architecture. */
[id^="at-topic22-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-topic22-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-topic22-"] .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-topic22-"] .at-media-gallery.at-media-trio img{height:300px}[id^="at-topic22-"] .at-map img{max-height:none}#at-topic22-9 .at-government{max-width:1000px;margin:28px auto;background:#fff6d8;border:2px solid #d6b26a;text-align:center}#at-topic22-9 .at-government-branches{grid-template-columns:repeat(2,minmax(0,1fr))}#at-topic22-9 .at-government-branches strong{font-size:27px}#at-topic22-28 img{width:100%;height:auto;max-height:750px;object-fit:contain}@media(max-width:700px){[id^="at-topic22-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic22-"] .at-media-gallery img{height:auto;max-height:450px}#at-topic22-9 .at-government-branches{grid-template-columns:1fr}}#at-topic22-3 .at-media-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}#at-topic22-3 .at-media-gallery .at-illustration:last-child{grid-column:1/-1}#at-topic22-3 .at-media-gallery .at-illustration:last-child img{height:auto;max-height:650px;width:100%;object-fit:contain}#at-topic22-27 .at-media-gallery .at-illustration:last-child{grid-column:1/-1}

/* Topic 23: February boundary and paintings gallery. */
[id^="at-topic23-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}[id^="at-topic23-"] .at-media-gallery img{height:360px;object-fit:contain}[id^="at-topic23-"] .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-topic23-"] .at-media-gallery.at-media-trio img{height:320px}[id^="at-topic23-"] .at-map img{max-height:none}#at-topic23-22 .at-media-gallery{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}#at-topic23-22 .at-media-gallery img{width:100%;height:320px;object-fit:contain}#at-topic23-22 .at-illustration{min-width:0}#at-topic23-19 .at-media-gallery img,#at-topic23-14 .at-media-gallery img{height:auto;max-height:550px}#at-topic23-21 .at-media-gallery img{height:auto;max-height:720px}@media(max-width:700px){[id^="at-topic23-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic23-"] .at-media-gallery img{height:auto;max-height:450px}}

[id^="at-topic24-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}[id^="at-topic24-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-topic24-"] .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}#at-topic24-29 .at-media-gallery{grid-template-columns:repeat(4,minmax(0,1fr))}#at-topic24-29 .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-topic24-"] .at-map img{max-height:none}#at-topic24-9 .at-government{border:2px solid #c6ae70;background:#fff8e5}#at-topic24-9 .at-government-branches{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:700px){[id^="at-topic24-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic24-"] .at-media-gallery img{height:auto;max-height:450px}#at-topic24-9 .at-government-branches{grid-template-columns:1fr}}


[id^="at-topic25-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}[id^="at-topic25-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-topic25-"] .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-topic25-"] .at-map img{max-height:none}#at-topic25-17 .at-media-gallery{grid-template-columns:1fr}#at-topic25-17 .at-media-gallery img{height:auto;max-height:850px}@media(max-width:700px){[id^="at-topic25-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic25-"] .at-media-gallery img{height:auto;max-height:450px}}
.nep-date{font-weight:800;color:#9a3c29}.nep-state,.nep-struggle{margin:30px 0;padding:24px;background:#f8f6ee;border:1px solid #d6ccb5;border-radius:16px}.nep-state h3,.nep-struggle h3{margin-top:0;text-align:center}.nep-node{padding:18px;border:2px solid #c9c5dd;border-radius:12px;background:white;text-align:center;min-width:0}.nep-node p{margin:8px 0 0;font-size:16px;line-height:1.6}.nep-top{background:#eee9fa;max-width:520px;margin:auto;border-color:#756798}.nep-arrow{display:flex;align-items:center;justify-content:center;gap:10px;padding:14px 8px;font-size:15px;color:#59536c;font-weight:650}.nep-arrow span{font-size:30px;line-height:1}.nep-central{border:2px solid #8b7b50;background:#fff9e8;border-radius:14px;padding:20px;text-align:center}.nep-central h4{margin:0 0 15px;font-size:23px}.nep-chambers,.nep-state-branches{display:grid;grid-template-columns:1fr 1fr;gap:18px}.nep-central>p{font-size:16px}.nep-ministries{display:grid;gap:14px}.nep-local{border:2px dashed #9f9aab;border-radius:12px;padding:20px;margin:22px 0;background:white}.nep-local p{font-size:16px;margin:8px 0}.nep-state figcaption,.nep-struggle>figcaption{font-size:15px;line-height:1.65;color:#605b6a;margin-top:18px}.nep-versus{display:grid;grid-template-columns:minmax(0,1fr) 65px minmax(0,1fr);gap:12px;align-items:stretch}.nep-camp{border:2px solid;border-radius:14px;padding:18px;min-width:0}.nep-camp h4{font-size:19px;text-align:center;margin:0 0 16px}.nep-majority{background:#eeeafa;border-color:#9c90bf}.nep-opposition{background:#faf0df;border-color:#cbaa75}.nep-versus-word{display:flex;align-items:center;justify-content:center;font-weight:800;color:#943c32;font-size:16px}.nep-portraits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.nep-portraits figure{margin:0;text-align:center;min-width:0}.nep-portraits img{width:100%;height:175px;object-fit:contain;background:#ffffffaa;border-radius:8px}.nep-portraits figcaption{font-size:15px;font-weight:750;margin-top:8px}.nep-outcome{border-left:5px solid #756798;padding:16px 20px;background:white;margin-top:20px;border-radius:6px}.nep-outcome p{margin:6px 0 0}.nep-abbr-table{border-collapse:collapse;width:100%;font-size:16px;line-height:1.6}.nep-abbr-table th,.nep-abbr-table td{border:1px solid #d4cfc0;padding:13px;text-align:left;vertical-align:top}.nep-abbr-table thead{background:#eee9fa}.nep-abbr-table tbody th{white-space:nowrap}.nep-abbreviations{overflow:auto}.nep-state-branches>div:first-child .nep-node{border-color:#a09b87}.nep-state-branches>div:last-child>.nep-node{background:#eef5ef;border-color:#85a18b}@media(max-width:700px){.nep-state,.nep-struggle{padding:16px}.nep-chambers,.nep-state-branches,.nep-versus{grid-template-columns:1fr}.nep-versus-word{padding:6px}.nep-portraits img{height:185px}.nep-abbr-table{font-size:14px}.nep-abbr-table th,.nep-abbr-table td{padding:9px}}


/* Topic 26: historical galleries and constitutional diagram. */
[id^="at-topic26-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}[id^="at-topic26-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-topic26-"] .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-topic26-"] .at-map img{max-height:none}#at-topic26-20 .at-media-gallery img{height:340px}#at-topic26-28 .at-media-gallery img{height:290px}#at-topic26-29 .at-media-gallery img{height:400px;object-fit:contain}@media(max-width:700px){[id^="at-topic26-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic26-"] .at-media-gallery img{height:auto;max-height:500px}}

/* Topic 28: approved galleries and full atlas maps. */
[id^="at-topic28-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}[id^="at-topic28-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-topic28-"] .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-topic28-"] .at-map img{max-height:none}@media(max-width:700px){[id^="at-topic28-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic28-"] .at-media-gallery img{height:auto;max-height:500px}}


.war-command{padding:24px;margin:28px 0;border:1px solid #cbbd9f;border-radius:16px;background:#f8f5ed}.war-command h3{text-align:center}.war-command-head{text-align:center;padding:20px;background:#243f37;color:white;border-radius:12px}.war-command-head p{color:#eef5ed}.war-command-lanes{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.war-command-lanes article{padding:18px;border-radius:12px;background:white;border:1px solid #d1cec3}.war-command-lanes h4{text-align:center;font-size:20px;margin:0}.war-command-node{padding:15px;background:#edf0e9;border-left:4px solid #4e6e56;border-radius:8px}.war-command-arrow{text-align:center;color:#4e6e56;font-size:25px}.war-command figcaption{margin-top:18px;font-size:15px}@media(max-width:700px){.war-command-lanes{grid-template-columns:1fr}}


.war-code{background:#fff0b9!important;border:1px solid #b89238!important;border-radius:5px!important;padding:1px 5px!important;font-weight:800!important;color:#674817!important}.war-battles{display:grid;gap:22px;margin:25px 0}.war-battle{margin:0;padding:24px;border:1px solid #b7c6bc;border-left:5px solid #416752;background:#f1f5f1;border-radius:13px}.war-battle h3{margin-top:0}.war-battle-date{font-size:17px;color:#6d482f;font-weight:700}.war-fronts{display:grid;gap:10px}.war-front{display:grid;grid-template-columns:minmax(160px,1fr) 28px minmax(180px,1.2fr);align-items:center;padding:14px;background:white;border:1px solid #d3ded4;border-radius:9px;gap:10px}.war-front small{display:block;color:#62665c;font-size:14px;line-height:1.5;margin-top:4px}.war-link{font-size:24px;text-align:center;color:#40674f}.war-battle figcaption{font-size:15px;line-height:1.7;margin-top:14px;color:#50594f}.war-agenda{padding:24px;border:1px solid #d5b76d;background:#fff9e9;border-radius:13px;margin:25px 0}.war-agenda li{padding:9px 0;line-height:1.8}.war-reference table{min-width:960px}.war-reference th,.war-reference td{vertical-align:top;font-size:16px;line-height:1.65}.war-reference-front{margin-bottom:10px}.war-reference small{display:block;font-size:13px;line-height:1.65}.war-addition{padding:0 0 0 17px;border-left:3px solid #c8b486}@media(max-width:650px){.war-front{grid-template-columns:1fr;gap:3px}.war-link{text-align:left;transform:rotate(90deg);width:25px}.war-battle,.war-agenda{padding:18px}}

#at-topic29-12 .at-media-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}#at-topic29-12 .at-media-gallery img{height:240px}#at-topic29-11 .at-media-trio img{height:330px}#at-topic29-27 .at-media-gallery img{height:400px}#at-topic29-8 .at-illustration img{max-height:650px}@media(max-width:700px){#at-topic29-12 .at-media-gallery{grid-template-columns:1fr}#at-topic29-12 .at-media-gallery img{height:auto}}

[id^="at-topic29-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}[id^="at-topic29-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-topic29-"] .at-media-gallery.at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-topic29-"] .at-map img{max-height:none}#at-topic29-12 .at-media-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}#at-topic29-12 .at-media-gallery img{height:240px}#at-topic29-27 .at-media-gallery img{height:400px}@media(max-width:700px){[id^="at-topic29-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-topic29-"] .at-media-gallery img{height:auto;max-height:500px}}

/* Topic29: postwar galleries and complete historical maps. */
[id^="at-postwar29-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-postwar29-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-postwar29-"] .at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-postwar29-"] .at-map img{max-height:none}#at-postwar29-21 .at-media-gallery img{height:420px}#at-postwar29-23 .at-illustration img{max-height:650px}@media(max-width:700px){[id^="at-postwar29-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-postwar29-"] .at-media-gallery img{height:auto;max-height:500px}}

/* Topic30: thaw galleries and full historical maps. */
[id^="at-thaw30-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-thaw30-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-thaw30-"] .at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-thaw30-"] .at-map img{max-height:none}@media(max-width:700px){[id^="at-thaw30-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-thaw30-"] .at-media-gallery img{height:auto;max-height:500px}}

/* Topic31: late USSR galleries and full historical maps. */
[id^="at-late31-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-late31-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-late31-"] .at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-late31-"] .at-map img{max-height:none}@media(max-width:700px){[id^="at-late31-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-late31-"] .at-media-gallery img{height:auto;max-height:500px}}

/* Topic32: perestroika galleries and full historical maps. */
[id^="at-per32-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-per32-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-per32-"] .at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-per32-"] .at-map img{max-height:none}@media(max-width:700px){[id^="at-per32-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-per32-"] .at-media-gallery img{height:auto;max-height:500px}}

/* Topic33: Russian Federation galleries and full historical maps. */
[id^="at-rf33-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-rf33-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-rf33-"] .at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-rf33-"] .at-map img{max-height:none}@media(max-width:700px){[id^="at-rf33-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-rf33-"] .at-media-gallery img{height:auto;max-height:500px}}

/* Topic34: approved illustrated lesson and source status labels. */
[id^="at-rf34-"] .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}[id^="at-rf34-"] .at-media-gallery img{height:350px;object-fit:contain}[id^="at-rf34-"] .at-media-trio{grid-template-columns:repeat(3,minmax(0,1fr))}[id^="at-rf34-"] .at-map img{max-height:none}#at-rf34-17 .at-media-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}#at-rf34-18 .at-media-gallery img{height:420px}#at-rf34-4 .at-media-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}#at-rf34-4 .at-media-gallery img{height:165px}#at-rf34-5 .at-media-gallery img{height:230px}#at-rf34-1 .at-illustration img,#at-rf34-13 .at-illustration img{max-height:400px;object-fit:contain}.at-person-status{display:block;margin:9px 0;padding:9px 12px;background:#eef2f6;border-left:3px solid #52667b;color:#263849;line-height:1.5}.at-person-status a{white-space:nowrap}@media(max-width:700px){[id^="at-rf34-"] .at-media-gallery{grid-template-columns:1fr!important}[id^="at-rf34-"] .at-media-gallery img{height:auto;max-height:500px}}

/* Unified dark surfaces; maps, portraits and artwork retain their original colours. */
html[data-theme=dark] .atlas-lesson{--at-line:var(--line);--at-ink:var(--text);--at-muted:var(--muted);--at-gold:var(--atlas-gold);color:var(--text)}
html[data-theme=dark] .atlas-lesson :is(.at-section,.at-toc,.at-terms,.at-card,.at-callout,.at-exam,.at-source,.at-society,.at-social-group,.at-social-item,.at-definition,.at-abbr-card,.at-chronicle,.at-person-link,.at-scholars figure,.at-person-status,.at-nuclear-impact,.at-soviet-flow,.at-time-cell,.at-ege-note){background:var(--paper);color:var(--text);border-color:var(--line)}
html[data-theme=dark] .atlas-lesson :is(th,td,figcaption,.at-term,.at-terms button,.at-toc a,.at-small,.at-subtitle){color:var(--text);border-color:var(--line)}
html[data-theme=dark] .atlas-lesson :is(.at-term,.at-terms button,.at-toc a,th){background:var(--surface)}
html[data-theme=dark] .atlas-lesson :is(.at-key-date,.at-table strong){color:var(--primary)}
.atlas-lesson .at-dialog{color:var(--text)}.atlas-lesson .at-map-pan{background:#f5f0e5}


/* Subject-specific content presentation; existing history styles are unchanged. */
.atlas-lesson.at-social .at-term{font-weight:700}.atlas-lesson.at-social .at-term:hover{background:var(--surface)}
.atlas-lesson.at-social .at-media-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.atlas-lesson.at-social .at-media-gallery img{height:280px;width:100%;object-fit:contain}.atlas-lesson.at-social .at-media-gallery figure{min-width:0}.atlas-lesson.at-social .at-read:disabled{color:var(--success)}
@media(max-width:600px){.atlas-lesson.at-social .at-media-gallery{grid-template-columns:1fr}}