.solo-intro{max-width:1000px}.solo-intro .filter-controls{max-width:none;grid-template-columns:repeat(3,minmax(0,1fr))}.activity-choices{display:flex;gap:12px;flex-wrap:wrap}.how-to{margin:26px 0;padding:18px;border:1px solid var(--line);background:#fffdf8}.how-to summary{cursor:pointer;font-weight:650}.solo-gallery{padding-top:25px}.solo-gallery h1{font-size:clamp(34px,5vw,62px)}.solo-art .art-surface{display:block;width:100%}.solo-image{display:block;width:auto;max-width:100%;height:auto;max-height:650px;object-fit:contain}.solo-art .art-surface{width:fit-content;margin:auto;max-width:100%;line-height:0}.solo-art figcaption{margin-top:14px}.mark-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.mark-overlay circle{fill:none;stroke:#1779a5;stroke-width:7}.chronology-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;list-style:none;padding:0}.chronology-cards li{padding:18px;border:1px solid var(--line);background:#fffdf8;min-width:0}.chronology-image{display:block;width:100%;height:290px;object-fit:contain}.chronology-cards button{padding:9px;font-size:14px}.timeline{padding:20px;margin:24px 0;background:#fffdf8;border:1px solid var(--line)}.timeline svg{width:100%;height:auto;min-height:220px}.timeline text{font:19px system-ui,sans-serif;fill:var(--ink)}#activity-status{max-width:1280px;margin:auto;padding:0 24px}.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:30px 0}.mode-card{display:block;border:1px solid var(--line);padding:20px;background:#fffdf8;text-decoration:none}.mode-card strong{display:block;font:24px Georgia,serif;margin-bottom:8px}.mode-card span{color:var(--muted);font-size:14px}.game-nav{display:flex;gap:20px;align-items:center}.mode-card:focus-visible{outline:3px solid var(--ochre)}@media(max-width:850px){.chronology-cards{grid-template-columns:1fr}.chronology-image{height:240px}.solo-intro .filter-controls{grid-template-columns:1fr}.solo-image{max-height:420px}.game-nav{font-size:13px;gap:12px}}@media(max-width:480px){.mode-grid{grid-template-columns:1fr}.timeline{padding:10px}.timeline text{font-size:23px}.activity-choices button{flex:1 1 100%}.chronology-cards li{padding:14px}}

.timeline-axis{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:12px;font-size:14px}.timeline-row p{font-size:14px;margin:16px 0 4px}.timeline-row svg{display:block;min-height:22px;height:auto;width:100%}.timeline-row strong{font-family:ui-monospace,monospace;font-size:12px}

.art-geography{border-top:1px solid var(--line);margin-top:20px;padding-top:12px}.art-geography h3{font-size:18px}.art-geography p{overflow-wrap:anywhere}