/* Each subject owns this shell and its visual tokens. */
:root{--subject-ink:#203744;--subject-muted:#586a73;--subject-accent:#206b68;--subject-soft:#e8f3ee;--subject-line:#d8e3dc;--subject-paper:#fffefa;--subject-ground:#f3f5ed;font-family:var(--jke-font-ui),ui-rounded,"Avenir Next",system-ui,sans-serif;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--subject-ground);color:var(--subject-ink);font-family:inherit;line-height:1.6}main{width:min(1200px,100%);margin:auto;padding:32px 28px 48px}h1,h2,h3{color:var(--subject-ink);line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(1.8rem,4vw,2.7rem);margin:0 0 10px}h2{font-size:clamp(1.35rem,2.4vw,1.9rem)}p{margin:0 0 16px}a{color:var(--subject-accent);text-underline-offset:3px}.masthead{position:relative;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:18px max(24px,calc((100vw - 1144px)/2));background:var(--subject-paper);border-bottom:1px solid var(--subject-line)}.subject-brand{display:flex;align-items:center;gap:12px;color:var(--subject-ink);text-decoration:none;font-weight:700;font-size:1.15rem;line-height:1.2}.brand-glyph{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;color:var(--subject-accent);background:var(--subject-soft);font-size:1.45rem}.subject-brand small{display:block;color:var(--subject-muted);font-size:.67rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-top:5px}.masthead nav{display:flex;gap:6px;flex-wrap:wrap;margin:0}.masthead nav button{border:1px solid transparent;background:transparent;border-radius:12px;color:var(--subject-muted);padding:10px 16px;font-weight:700;min-height:44px}.masthead nav button[aria-current=page]{background:var(--subject-soft);color:var(--subject-accent);border-color:var(--subject-line)}.page-heading{margin-bottom:26px;max-width:72ch}.page-heading>.eyebrow{color:var(--subject-accent);letter-spacing:.15em;font-size:.72rem;font-weight:700;margin:0 0 9px}.page-intro{color:var(--subject-muted);font-size:1.02rem;max-width:60ch;margin:0}
button,.file-button{font:inherit;font-weight:700;min-height:44px;border:1px solid var(--subject-line);border-radius:10px;padding:10px 16px;background:var(--subject-paper);color:var(--subject-ink);cursor:pointer;transition:background .15s,border-color .15s}button:hover,.file-button:hover{background:var(--subject-soft);border-color:var(--subject-accent)}button:disabled{opacity:.5;cursor:default}.primary{background:var(--subject-accent);border-color:var(--subject-accent);color:white}.primary:hover{background:var(--subject-ink);color:white}.text-button{background:transparent;color:var(--subject-accent);border-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--subject-accent);outline-offset:4px}#notice{padding:14px 18px;border:1px solid #e8d393;background:#fff5d8;color:#654c1b;border-radius:12px;margin:0 0 22px}section[hidden]{display:none!important}input,select,textarea{font:inherit;color:var(--subject-ink);border:1px solid var(--subject-line);border-radius:9px;background:white;padding:10px 12px;max-width:100%;min-height:44px}textarea{line-height:1.6}input[type=checkbox]{min-height:0;accent-color:var(--subject-accent)}canvas{max-width:100%}.paper{padding:24px;margin:0;background:var(--subject-paper);border:1px solid var(--subject-line);border-radius:18px;box-shadow:0 4px 0 #20374405}
.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:24px;align-items:start}.settings-grid h2{margin:0 0 14px}.settings-grid label{display:block;margin:18px 0;font-weight:700}.settings-grid select{display:block;width:100%;margin-top:7px}.settings-grid button{margin:6px 8px 6px 0}.settings-grid p{color:var(--subject-muted)}.settings-grid input[type=checkbox]{margin-right:8px}.file-button{display:inline-block;margin:6px 8px 6px 0!important}.file-button input{display:block;width:100%;padding:8px 0 0;border:0;background:transparent}.danger{color:#9b3831;border-color:#dfbcb6;background:#fff8f5}.settings-divider{border:0;border-top:1px solid var(--subject-line);margin:24px 0}#offlineStatus,#syncStatus{font-size:.87rem;color:var(--subject-muted)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:18px;margin:24px 0}.cards article{display:flex;flex-direction:column;align-items:start;padding:24px;background:var(--subject-paper);border:1px solid var(--subject-line);border-radius:18px}.cards h3{margin:14px 0 10px}.cards p{color:var(--subject-muted)}.cards button{margin-top:auto}.investigation-symbol{font-size:1.8rem;width:56px;height:56px;display:grid;place-items:center;border-radius:16px;background:var(--subject-soft);color:var(--subject-accent)}.saved-badge{display:inline-block;border:1px solid var(--subject-line);background:var(--subject-soft);color:var(--subject-accent);border-radius:100px;padding:4px 10px;font-size:.78rem;font-weight:700;margin:0 0 16px}.notebook-empty{max-width:640px;padding:32px;background:var(--subject-paper);border:1px dashed var(--subject-line);border-radius:20px;margin:24px 0}.notebook-empty h2{margin:0 0 12px}.notebook-empty p{color:var(--subject-muted)}.notebook-empty button{margin-top:8px}.notebook-actions{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}#notebookView>.history-notebook-card{margin:20px 0;max-width:800px}
dialog{width:min(560px,calc(100vw - 32px));max-height:calc(100dvh - 48px);overflow:auto;border:1px solid var(--subject-line);border-radius:20px;background:var(--subject-paper);color:var(--subject-ink);padding:28px;box-shadow:0 24px 100px #12253940}dialog::backdrop{background:#12253980;backdrop-filter:blur(3px)}dialog h2{margin-top:0}dialog button{margin:8px 8px 0 0}.reduce-motion *{scroll-behavior:auto!important;animation:none!important;transition:none!important}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:720px){main{padding:24px 16px 36px}.masthead{padding:16px;gap:14px}.subject-brand{font-size:1.05rem}.masthead nav{width:100%;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:4px}.masthead nav button{padding:10px 5px;font-size:.8rem;overflow-wrap:anywhere}.page-heading{margin-bottom:22px}.paper{padding:20px}.settings-grid{gap:18px}.notebook-empty{padding:24px}.cards{gap:14px}.cards article{padding:22px}dialog{padding:22px}}

:root{--subject-ink:#463a30;--subject-muted:#75695d;--subject-accent:#95583e;--subject-soft:#f6eadf;--subject-line:#e4d9ca;--subject-paper:#fffdf7;--subject-ground:#f5f0e7}body{background:radial-gradient(ellipse at 15% 0,#eee3cd,transparent 50%),#f5f0e7}.brand-glyph{color:#95583e;background:#f3e4cf}.history-toolbar{background:#eee8da;border-color:var(--subject-line);border-radius:16px;padding:20px}.history-toolbar label{color:var(--subject-ink)}.history-toolbar input,.history-toolbar select,.history-investigation textarea{border-color:#cebfaa;color:var(--subject-ink)}.history-card,.history-reader{background:var(--subject-paper);border-color:var(--subject-line);border-radius:18px;box-shadow:0 4px 0 #463a3005}.history-card{padding:24px;gap:3px}.history-card h3{font-family:var(--jke-font-reading),Georgia,serif;font-size:1.3rem;line-height:1.35;letter-spacing:-.01em}.history-card-places{color:var(--subject-accent);font-size:.78rem;letter-spacing:.035em}.history-meta{color:var(--subject-muted)}.history-card .primary{margin-top:auto}.history-saved{color:#446849;background:#edf2e7;border-radius:8px;padding:6px 10px}.history-collection-heading{margin:0 0 22px}.history-collection-heading h2{margin:0 0 10px}#exploreView .history-reader>h2{font-family:var(--jke-font-reading),Georgia,serif;font-size:clamp(1.65rem,3vw,2.3rem);max-width:32ch}.history-reader-section h3{color:var(--subject-accent)}.history-reading-text{font-size:1.04rem}.history-reader-section p,.history-reader-section li{line-height:1.85}.history-mode-tabs{border-color:var(--subject-line)}.history-mode-tabs [aria-selected=true],.history-contents [aria-current],.history-layer-selector [aria-current]{background:var(--subject-accent);border-color:var(--subject-accent);color:white}.history-contents,.history-timeline,.history-lens,.history-guide{background:#f2ecdf}.history-timeline,.history-lens{border-color:var(--subject-line)}.history-investigation{background:#f4eee1;border-color:var(--subject-line);border-radius:14px}.history-breadcrumb button{padding-left:0}.history-place-links button{color:var(--subject-accent)}.history-notebook-card h2{font-family:var(--jke-font-reading),Georgia,serif}.history-notebook-card{padding:26px}.history-empty{background:var(--subject-paper);border-radius:16px}#main:has(#historyDetail)>.page-heading{display:none}#historyResults{margin:0 0 18px}.history-map figcaption{font-size:.8rem}.history-mode-tabs button{flex:1}#historyContentTools{grid-column:1/-1}@media(max-width:720px){.history-card{padding:22px}.history-reader{padding:20px 16px}.history-toolbar{padding:16px}.history-reading-text{font-size:1rem}.history-mode-tabs{gap:7px}.history-mode-tabs button{padding:10px 6px}.history-guide{padding:14px}.history-notebook-card{padding:22px}}

body[data-jke-game-id="history"] main .primary{background:var(--subject-accent);border-color:var(--subject-accent);color:white}body[data-jke-game-id="history"] main .text-button{color:var(--subject-accent)}#notice[data-kind=success]{background:var(--subject-soft);border-color:var(--subject-line);color:var(--subject-accent)}.masthead nav button{overflow-wrap:normal;white-space:nowrap}

.history-show-more{grid-column:1/-1;justify-self:center;min-width:220px;margin:8px 0 20px}.history-grid .history-card .primary{width:100%;margin-top:auto}.history-card .history-meta{margin-bottom:14px}

/* Assimilation: suite-owned UI tokens; scientific maps keep their data colors. */
:root{--subject-ink:var(--jke-suite-ink,#31264e);--subject-muted:var(--jke-suite-muted,#6d627d);--subject-accent:#7046ae;--subject-soft:#eee7f8;--subject-line:var(--jke-suite-line);--subject-paper:var(--jke-suite-paper,#fffaf2);--subject-ground:#f5f0f8;--atlas-ink:var(--jke-suite-ink,#31264e);--atlas-muted:var(--jke-suite-muted,#6d627d);--atlas-green:#7046ae;--atlas-accent:var(--jke-suite-focus,#7b4ed8);--atlas-line:var(--jke-suite-line);--atlas-paper:var(--jke-suite-paper,#fffaf2)}
body{background:linear-gradient(145deg,var(--jke-suite-paper,#fffaf2),#f1edf8 75%);color:var(--jke-suite-ink)}.masthead{background:var(--jke-suite-paper);border-color:var(--jke-suite-line)}.subject-brand{color:var(--jke-suite-ink)}.brand-glyph{background:#eee7f8;color:#7046ae}.paper,.history-card,.history-reader,.cards article,.atlas-starts,.place-browser{border-radius:var(--jke-suite-radius,18px);box-shadow:var(--jke-suite-shadow-sm)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline-color:var(--jke-suite-focus)}#syncStatus{font-size:.85rem}