/* Four local, dependency-free site themes. Loaded after the legacy styles.
   Shared tokens also drive the standalone tools; game semantics stay in their own CSS. */
:root,
html[data-site-theme="editorial"] {
  --theme-bg:#ffffff; --theme-surface:#ffffff; --theme-surface-alt:#f5f5f7;
  --theme-text:#17171b; --theme-muted:#626269; --theme-border:#d8d8de;
  --theme-accent:#242429; --theme-accent-hover:#000000; --theme-on-accent:#ffffff;
  --theme-soft:#ededf0; --theme-radius:4px; --theme-radius-small:3px;
  --theme-shadow:none; --theme-hero-bg:#202025; --theme-hero-text:#ffffff;
  --theme-hero-muted:#d4d4dd; --theme-color-scheme:light;
  --theme-font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --theme-display-font:var(--theme-font);
}
html[data-site-theme="ocean"] {
  --theme-bg:#f5f8ff; --theme-surface:#ffffff; --theme-surface-alt:#eef3ff;
  --theme-text:#172644; --theme-muted:#576781; --theme-border:#d7e1f3;
  --theme-accent:#2458de; --theme-accent-hover:#1743b4; --theme-on-accent:#ffffff;
  --theme-soft:#e8efff; --theme-radius:20px; --theme-radius-small:10px;
  --theme-shadow:0 8px 24px rgba(30,69,144,.055);
  --theme-hero-bg:#e8f0ff; --theme-hero-text:#163777; --theme-hero-muted:#3e5890;
  --theme-color-scheme:light;
}
html[data-site-theme="sunset"] {
  --theme-bg:#fffaf8; --theme-surface:#ffffff; --theme-surface-alt:#fff0e9;
  --theme-text:#292125; --theme-muted:#75605b; --theme-border:#e4cfc6;
  --theme-accent:#ad3420; --theme-accent-hover:#852819; --theme-on-accent:#ffffff;
  --theme-soft:#ffebe2; --theme-radius:8px; --theme-radius-small:4px;
  --theme-shadow:4px 4px 0 #e4cfc6;
  --theme-hero-bg:#b93623; --theme-hero-text:#ffffff; --theme-hero-muted:#ffe8de;
  --theme-color-scheme:light;
  --theme-display-font:Georgia,"Songti SC","STSong","Noto Serif CJK SC",serif;
}
html[data-site-theme="midnight"] {
  --theme-bg:#0b1020; --theme-surface:#131a2c; --theme-surface-alt:#1c253c;
  --theme-text:#f0f1fa; --theme-muted:#b0b9ce; --theme-border:#35415d;
  --theme-accent:#bdc0ff; --theme-accent-hover:#dedfff; --theme-on-accent:#17152f;
  --theme-soft:#2b3051; --theme-radius:14px; --theme-radius-small:8px;
  --theme-shadow:0 10px 26px rgba(0,0,0,.12);
  --theme-hero-bg:#192139; --theme-hero-text:#f4f3ff; --theme-hero-muted:#c3c6e3;
  --theme-color-scheme:dark;
}
/* Map old shared tokens so existing components follow the selected palette. */
html[data-site-theme] {
  color-scheme:var(--theme-color-scheme);
  --fy-bg:var(--theme-bg); --fy-paper:var(--theme-surface);
  --fy-paper-soft:var(--theme-surface-alt); --fy-ink:var(--theme-text);
  --fy-muted:var(--theme-muted); --fy-line:var(--theme-border);
  --fy-line-strong:var(--theme-border); --fy-accent:var(--theme-accent);
  --fy-accent-2:var(--theme-accent); --fy-warm:var(--theme-accent);
  --fy-shadow:var(--theme-shadow); --fy-radius-xl:var(--theme-radius);
  --fy-radius-lg:var(--theme-radius); --fy-radius-md:var(--theme-radius-small);
  accent-color:var(--theme-accent);
}
html[data-site-theme] body {
  background:var(--theme-bg)!important; color:var(--theme-text);
  font-family:var(--theme-font); -webkit-font-smoothing:antialiased;
}
html[data-site-theme] :where(a,button,input,textarea,select,summary,[tabindex]):focus-visible {
  outline:3px solid var(--theme-accent); outline-offset:4px;
}
html[data-site-theme] ::selection { background:var(--theme-accent); color:var(--theme-on-accent); }
html[data-site-theme] body.home-refresh {
  --h-bg:var(--theme-bg); --h-paper:var(--theme-surface); --h-ink:var(--theme-text);
  --h-muted:var(--theme-muted); --h-line:var(--theme-border);
  --h-green:var(--theme-accent); --h-orange:var(--theme-accent);
}

/* Navigation, article pages and archive pages. No layout dependency on JavaScript. */
html[data-site-theme] body .site-header { background:var(--theme-bg); color:var(--theme-text); border-color:var(--theme-border); }
html[data-site-theme] body .site-header h1,
html[data-site-theme] body .site-header h1 a,
html[data-site-theme] body .site-header .home-brand a { color:var(--theme-text); }
html[data-site-theme] body .site-header .site-header-nav { background:var(--theme-bg); border-color:var(--theme-border); }
html[data-site-theme] body .site-header .site-header-nav-item { color:var(--theme-muted); border-radius:var(--theme-radius-small); }
html[data-site-theme] body .site-header .site-header-nav-item:hover,
html[data-site-theme] body .site-header .site-header-nav-item.selected { background:var(--theme-soft); color:var(--theme-accent); }
html[data-site-theme] body .site-header .collapsed { color:var(--theme-text); background:var(--theme-surface); border-color:var(--theme-border); border-radius:var(--theme-radius-small); }
html[data-site-theme] body .site-header .collapsed .icon-bar { background:var(--theme-accent); }
html[data-site-theme] body:not(.home-refresh) a { color:var(--theme-accent); }
html[data-site-theme] body:not(.home-refresh) a:hover { color:var(--theme-accent-hover); }
html[data-site-theme] body:not(.home-refresh) .collection-head { border-radius:var(--theme-radius); }
html[data-site-theme] body:not(.home-refresh) .collection-head.geopattern { background:var(--theme-surface-alt)!important; }
html[data-site-theme] body:not(.home-refresh) .collection-head .collection-header { font-family:var(--theme-display-font); color:var(--theme-text); }
html[data-site-theme] body:not(.home-refresh) .collection-head .meta-info .octicon { color:var(--theme-muted); }
html[data-site-theme] body:not(.home-refresh) :is(.article-content,.category-archive-content,.category-archive-sidebar,.share,.comment) {
  background:var(--theme-surface); color:var(--theme-text); border-color:var(--theme-border); border-radius:var(--theme-radius);
}
html[data-site-theme] body:not(.home-refresh) .markdown-body { color:var(--theme-text); }
html[data-site-theme] body:not(.home-refresh) .markdown-body :is(h1,h2,h3,h4,h5,h6) { color:var(--theme-text); border-color:var(--theme-border); }
html[data-site-theme] body:not(.home-refresh) .markdown-body :is(h1,h2,h3) { font-family:var(--theme-display-font); }
html[data-site-theme] body:not(.home-refresh) .markdown-body blockquote { color:var(--theme-muted); background:var(--theme-surface-alt); border-color:var(--theme-accent); border-radius:0 var(--theme-radius-small) var(--theme-radius-small) 0; }
html[data-site-theme] body:not(.home-refresh) .markdown-body :is(pre,code,tt),
html[data-site-theme] body:not(.home-refresh) .highlight pre { background:var(--theme-surface-alt); color:var(--theme-text); border-radius:var(--theme-radius-small); }
html[data-site-theme] body:not(.home-refresh) .markdown-body pre { border:1px solid var(--theme-border); }
html[data-site-theme] body:not(.home-refresh) .markdown-body pre :is(code,tt) { background:transparent; }
html[data-site-theme] body:not(.home-refresh) .markdown-body table :is(tr,th,td) { background:transparent; border-color:var(--theme-border); }
html[data-site-theme] body:not(.home-refresh) .markdown-body table tbody tr:nth-child(2n),
html[data-site-theme] body:not(.home-refresh) .markdown-body table th { background:var(--theme-surface-alt); }
html[data-site-theme] body:not(.home-refresh) .markdown-body :is(hr,kbd) { background:var(--theme-surface-alt); color:var(--theme-text); border-color:var(--theme-border); }
html[data-site-theme] body:not(.home-refresh) :is(.post-directory,.list-group-item,.boxed-group,.mini-repo-list-item) { background:var(--theme-surface); border-color:var(--theme-border); color:var(--theme-text); }
html[data-site-theme] body:not(.home-refresh) :is(.posts-list-meta,.category-archive-summary,.category-archive-empty,.category-archive-count) { background:transparent; color:var(--theme-muted); }
html[data-site-theme] body:not(.home-refresh) :is(.category-archive-heading,.category-archive-posts>.posts-list-item) { border-color:var(--theme-border); }
html[data-site-theme] body:not(.home-refresh) .category-archive-heading:target { background:var(--theme-soft); border-color:var(--theme-accent); }
html[data-site-theme] body:not(.home-refresh) .category-archive-posts .posts-list-name { color:var(--theme-accent); }
html[data-site-theme] body:not(.home-refresh) .badge { background:var(--theme-soft); color:var(--theme-accent); }
html[data-site-theme] body:not(.home-refresh) .collection-head :is(.sidebar-qrcode,.qrcode,.boxed-group) { background:var(--theme-surface); border-color:var(--theme-border); border-radius:var(--theme-radius); }
html[data-site-theme] body:not(.home-refresh) :is(.article-content,.comment,.sidebar-search,.category-archive-page) :is(input,textarea,select) { background:var(--theme-surface); color:var(--theme-text); border:1px solid var(--theme-border); border-radius:var(--theme-radius-small); }
html[data-site-theme] body:not(.home-refresh) :is(.pagination a,.pagination span) { background:var(--theme-surface); border-color:var(--theme-border); border-radius:var(--theme-radius-small); }
html[data-site-theme] body:not(.home-refresh) .pagination a.active { background:var(--theme-accent); color:var(--theme-on-accent); }
html[data-site-theme] body .site-footer { border-color:var(--theme-border); color:var(--theme-muted); font-size:12px; }
html[data-site-theme] body .site-footer a,
html[data-site-theme] body .site-footer .octicon-mark-github { color:var(--theme-muted); }
html[data-site-theme] body .site-footer .site-footer-links { font-size:12px; }
html[data-site-theme] body:not(.home-refresh) .tools-wrapper .gotop { background:var(--theme-accent); color:var(--theme-on-accent); bottom:94px; }

/* The home layout: every formerly fixed sage surface and label uses a theme token. */
html[data-site-theme] .home-refresh .home-skip { background:var(--theme-accent); color:var(--theme-on-accent)!important; }
html[data-site-theme] .home-refresh .section-kicker { color:var(--theme-muted); font-size:11px!important; letter-spacing:1.5px; }
html[data-site-theme] .home-refresh .section-kicker i { background:var(--theme-accent); }
html[data-site-theme] .home-refresh :is(.hero-copy h1,.home-section-heading h2,.archive-hero h1,.aside-note h3) { font-family:var(--theme-display-font); }
html[data-site-theme] .home-refresh .hero-copy h1>span { color:var(--theme-accent); }
html[data-site-theme] .home-refresh .hero-description { color:var(--theme-muted); font-size:15px; }
html[data-site-theme] .home-refresh .home-button { border-color:var(--theme-border); border-radius:var(--theme-radius-small); font-size:13px; min-height:44px; }
html[data-site-theme] .home-refresh .home-button.solid { color:var(--theme-on-accent); background:var(--theme-accent); border-color:var(--theme-accent); }
html[data-site-theme] .home-refresh .home-button.solid:hover { background:var(--theme-accent-hover); border-color:var(--theme-accent-hover); }
html[data-site-theme] .home-refresh .home-button.quiet { color:var(--theme-accent); background:var(--theme-surface); }
html[data-site-theme] .home-refresh .home-button.quiet:hover { background:var(--theme-soft); }
html[data-site-theme] .home-refresh .hero-facts { color:var(--theme-muted); font-size:12px; flex-wrap:wrap; }
html[data-site-theme] .home-refresh .hero-facts b { color:var(--theme-text); }
html[data-site-theme] .home-refresh .hero-facts>span+span { border-color:var(--theme-border); }
html[data-site-theme] .home-refresh .hero-facts .fact-note { font-size:11px; }
html[data-site-theme] .home-refresh .hero-feature { color:var(--theme-hero-text)!important; background:var(--theme-hero-bg); border-color:var(--theme-border); border-radius:var(--theme-radius); box-shadow:var(--theme-shadow); }
html[data-site-theme] .home-refresh .feature-eyebrow { color:var(--theme-hero-muted); font-size:12px; }
html[data-site-theme] .home-refresh .feature-pill { border-color:currentColor; color:var(--theme-hero-muted); font-size:11px; }
html[data-site-theme] .home-refresh .memory-note { color:var(--theme-hero-muted); font-size:11px; }
html[data-site-theme] .home-refresh .memory-arc { border-color:var(--theme-hero-muted); }
html[data-site-theme] .home-refresh .match-chip { background:var(--theme-surface); color:var(--theme-accent); font-size:11px; letter-spacing:.3px; }
html[data-site-theme] .home-refresh .memory-art .tiny-card { background:#ffffff; color:#26262d; border-color:#d6d6dc; box-shadow:3px 7px 0 rgba(0,0,0,.16); }
html[data-site-theme] .home-refresh .memory-art .tiny-card.skip { background:#f4eef0; color:#a13241; }
html[data-site-theme] .home-refresh .feature-copy>p,
html[data-site-theme] .home-refresh .feature-copy>div { color:var(--theme-hero-muted); font-size:12px; }
html[data-site-theme] .home-refresh .feature-copy h2 { color:var(--theme-hero-text); }
html[data-site-theme] .home-refresh .feature-copy h2>span { color:var(--theme-hero-muted); font-size:12px; }
html[data-site-theme] .home-refresh .feature-copy>div { padding-right:39px; line-height:1.75; }
html[data-site-theme] .home-refresh .feature-arrow { border-color:currentColor; }
html[data-site-theme] .home-refresh .home-section-heading>p,
html[data-site-theme] .home-refresh .home-section-heading>a { color:var(--theme-muted); font-size:12px; }
html[data-site-theme] .home-refresh .tool-tile { background:var(--theme-surface); border-color:var(--theme-border); border-radius:var(--theme-radius); box-shadow:var(--theme-shadow); }
html[data-site-theme] .home-refresh .tool-tile:hover { border-color:var(--theme-accent); }
html[data-site-theme] .home-refresh .tool-tile:nth-child(1) { background:var(--theme-surface-alt); }
html[data-site-theme] .home-refresh .tool-icon { background:var(--theme-soft); color:var(--theme-accent); border-radius:var(--theme-radius-small); }
html[data-site-theme] .home-refresh .chess-seal { border-color:currentColor; }
html[data-site-theme] .home-refresh .tool-category { color:var(--theme-muted); font-size:11px; }
html[data-site-theme] .home-refresh .tool-arrow { color:var(--theme-accent); }
html[data-site-theme] .home-refresh .tool-tile>p { color:var(--theme-muted); font-size:13px; }
html[data-site-theme] .home-refresh .tool-tile>small { color:var(--theme-muted); font-size:11px; }
html[data-site-theme] .home-refresh .more-tools { color:var(--theme-muted); font-size:12px; }
html[data-site-theme] .home-refresh .more-tools>a { color:var(--theme-accent); }
html[data-site-theme] .home-refresh .more-tools>a:hover { color:var(--theme-accent-hover); }
html[data-site-theme] .home-refresh .home-search { background:var(--theme-surface); border-color:var(--theme-border); border-radius:var(--theme-radius-small); padding:9px 10px 9px 13px; }
html[data-site-theme] .home-refresh .home-search>span { color:var(--theme-muted); }
html[data-site-theme] .home-refresh .home-search input { color:var(--theme-text); font-size:14px; }
html[data-site-theme] .home-refresh .home-search input::placeholder { color:var(--theme-muted); opacity:1; }
html[data-site-theme] .home-refresh .home-search:focus-within { outline:2px solid var(--theme-accent); outline-offset:2px; }
html[data-site-theme] .home-refresh .home-search input:focus-visible { outline:none; }
html[data-site-theme] .home-refresh .home-search>button { background:var(--theme-soft); color:var(--theme-accent); border-radius:var(--theme-radius-small); font-size:12px; min-height:36px; }
html[data-site-theme] .home-refresh .search-status { background:var(--theme-soft); color:var(--theme-text); border-radius:var(--theme-radius-small); }
html[data-site-theme] .home-refresh .journal-card { background:var(--theme-surface); border-color:var(--theme-border); border-radius:var(--theme-radius); box-shadow:var(--theme-shadow); }
html[data-site-theme] .home-refresh .journal-meta { color:var(--theme-muted); font-size:11px; gap:7px; }
html[data-site-theme] .home-refresh .topic-label { background:var(--theme-soft); color:var(--theme-accent); border-radius:var(--theme-radius-small); }
html[data-site-theme] .home-refresh .pin-label { color:var(--theme-accent); font-size:11px; }
html[data-site-theme] .home-refresh .journal-meta time { color:var(--theme-muted); font-size:11px; font-variant-numeric:tabular-nums; }
html[data-site-theme] .home-refresh .journal-card h3 { font-size:18px; font-weight:600; }
html[data-site-theme] .home-refresh .journal-card h3 a:hover { color:var(--theme-accent); text-decoration:underline; text-underline-offset:4px; }
html[data-site-theme] .home-refresh .journal-card>p { color:var(--theme-muted); font-size:13px; min-height:0; }
html[data-site-theme] .home-refresh .journal-bottom { border-color:var(--theme-border); color:var(--theme-muted); font-size:11px; }
html[data-site-theme] .home-refresh .journal-bottom>a { color:var(--theme-accent); }
html[data-site-theme] .home-refresh .journal-bottom>a:hover { color:var(--theme-accent-hover); }
html[data-site-theme] .home-refresh .aside-note { background:var(--theme-surface-alt); border-color:var(--theme-border); border-radius:var(--theme-radius); }
html[data-site-theme] .home-refresh .aside-note>p:not(.section-kicker) { color:var(--theme-muted); font-size:13px; }
html[data-site-theme] .home-refresh .aside-note>a { color:var(--theme-accent); font-size:12px; }
html[data-site-theme] .home-refresh .aside-title>span { color:var(--theme-muted); font-size:11px; }
html[data-site-theme] .home-refresh .topic-index>a { color:var(--theme-text); font-size:13px; }
html[data-site-theme] .home-refresh .topic-index>a>small,
html[data-site-theme] .home-refresh .topic-index>a>b { color:var(--theme-muted); font-size:12px; }
html[data-site-theme] .home-refresh .topic-index>a:hover { color:var(--theme-accent); }
html[data-site-theme] .home-refresh .rss-note { background:var(--theme-surface); border-radius:var(--theme-radius-small); }
html[data-site-theme] .home-refresh .rss-symbol { color:var(--theme-accent); }
html[data-site-theme] .home-refresh .rss-note strong { font-size:13px; }
html[data-site-theme] .home-refresh .rss-note small { color:var(--theme-muted); font-size:11px; }
html[data-site-theme] .home-refresh .rss-note>span:last-child { color:var(--theme-accent); }
html[data-site-theme] .home-refresh .home-pagination { color:var(--theme-muted); font-size:12px; }
html[data-site-theme] .home-refresh .home-pagination>a { background:var(--theme-surface); color:var(--theme-accent); border-color:var(--theme-border); border-radius:var(--theme-radius-small); }
html[data-site-theme] .home-refresh .home-signoff { color:var(--theme-muted); font-size:12px; }
html[data-site-theme] .home-refresh .archive-hero h1 span,
html[data-site-theme] .home-refresh .archive-hero>p:last-child { color:var(--theme-muted); }
html[data-site-theme] .home-refresh .archive-hero a { color:var(--theme-accent); }

/* Editorial: ruled tools, a generous masthead, dated article rows. */
html[data-site-theme="editorial"] .home-refresh .home-hero { padding-top:64px; padding-bottom:56px; }
html[data-site-theme="editorial"] .home-refresh .hero-copy h1 { font-weight:750; letter-spacing:-1.6px; }
html[data-site-theme="editorial"] .home-refresh .hero-copy h1>span { font-weight:400; }
html[data-site-theme="editorial"] .home-refresh .home-section-heading { padding-bottom:15px; border-bottom:2px solid var(--theme-text); }
html[data-site-theme="editorial"] .home-refresh .tool-grid { gap:0; border-top:1px solid var(--theme-border); border-left:1px solid var(--theme-border); }
html[data-site-theme="editorial"] .home-refresh .tool-tile { border:0; border-right:1px solid var(--theme-border); border-bottom:1px solid var(--theme-border); border-radius:0; padding:24px; }
html[data-site-theme="editorial"] .home-refresh .tool-tile:nth-child(1) { background:var(--theme-surface); }
html[data-site-theme="editorial"] .home-refresh .tool-tile:hover { background:var(--theme-surface-alt); transform:none; }
html[data-site-theme="editorial"] .home-refresh .journal-grid { grid-template-columns:minmax(0,1fr); gap:0; }
html[data-site-theme="editorial"] .home-refresh .journal-card { display:grid; grid-template-columns:115px minmax(0,1fr); column-gap:22px; padding:24px 0; border:0; border-bottom:1px solid var(--theme-border); border-radius:0; }
html[data-site-theme="editorial"] .home-refresh .journal-meta { grid-column:1; grid-row:1/4; align-content:start; align-items:flex-start; flex-direction:column; margin:4px 0 0; gap:9px; }
html[data-site-theme="editorial"] .home-refresh .journal-meta time { margin-left:0; }
html[data-site-theme="editorial"] .home-refresh .journal-card :is(h3,p,.journal-bottom) { grid-column:2; }
html[data-site-theme="editorial"] .home-refresh .journal-card h3 { font-size:20px; margin-bottom:9px; }
html[data-site-theme="editorial"] .home-refresh .journal-bottom { border:0; margin-top:12px; padding:0; }
html[data-site-theme="editorial"] .home-refresh .aside-note { border-top:3px solid var(--theme-text); }

/* Ocean: airy cards with rounded silhouettes. */
html[data-site-theme="ocean"] .home-refresh .home-hero { gap:48px; padding-top:60px; padding-bottom:58px; }
html[data-site-theme="ocean"] .home-refresh .hero-copy h1 { font-weight:720; }
html[data-site-theme="ocean"] .home-refresh .hero-feature { border-radius:28px; padding:26px; }
html[data-site-theme="ocean"] .home-refresh .tool-grid { gap:18px; }
html[data-site-theme="ocean"] .home-refresh .tool-tile { padding:24px; }
html[data-site-theme="ocean"] .home-refresh .journal-card { padding:24px; }
html[data-site-theme="ocean"] .home-refresh .notebook { padding-top:42px; }
html[data-site-theme="ocean"] .home-refresh .journal-grid { gap:20px; }

/* Sunset: serif headings and small, physical offset shadows. */
html[data-site-theme="sunset"] .home-refresh .hero-copy h1 { font-weight:600; letter-spacing:-.8px; }
html[data-site-theme="sunset"] .home-refresh .hero-feature { border-color:var(--theme-accent); box-shadow:7px 7px 0 var(--theme-border); }
html[data-site-theme="sunset"] .home-refresh .tool-grid { gap:19px; }
html[data-site-theme="sunset"] .home-refresh .tool-tile:hover { transform:translate(-2px,-2px); box-shadow:6px 6px 0 var(--theme-border); }
html[data-site-theme="sunset"] .home-refresh .journal-grid { gap:21px; }
html[data-site-theme="sunset"] .home-refresh .journal-card h3 { font-family:var(--theme-display-font); font-size:20px; }
html[data-site-theme="sunset"] .home-refresh .aside-note { border-top:4px solid var(--theme-accent); }

/* Midnight: framed surfaces. Images, game boards and plots keep their original hues. */
html[data-site-theme="midnight"] .home-refresh .hero-feature { border-color:#505676; }
html[data-site-theme="midnight"] .home-refresh .hero-copy h1 { font-weight:680; }
html[data-site-theme="midnight"] .home-refresh .tool-tile:hover { background:var(--theme-surface-alt); }
html[data-site-theme="midnight"] .home-refresh .journal-card { border-top:2px solid #505676; }
html[data-site-theme="midnight"] body:not(.home-refresh) .highlight { background:var(--theme-surface-alt); color:var(--theme-text); }
html[data-site-theme="midnight"] .highlight :is(.c,.c1,.cm,.cp,.cs,.ch,.sd) { color:#a4b0c8; }
html[data-site-theme="midnight"] .highlight :is(.k,.kc,.kd,.kn,.kp,.kr,.kt,.o,.ow) { color:#cbc0ff; }
html[data-site-theme="midnight"] .highlight :is(.s,.s1,.s2,.sb,.sc,.sh,.si,.sr,.ss,.sx) { color:#b2dbc5; }
html[data-site-theme="midnight"] .highlight :is(.m,.mb,.mf,.mh,.mi,.mo,.il,.nv,.vc,.vg,.vi) { color:#f1c2a0; }
html[data-site-theme="midnight"] .highlight :is(.na,.nb,.nc,.nf,.nn,.nt,.nx) { color:#c4d8ff; }
html[data-site-theme="midnight"] .highlight :is(.err,.gd) { background:#492937; color:#ffccd5; }
html[data-site-theme="midnight"] .highlight .gi { background:#203d36; color:#bdebd1; }

/* Accessible appearance control. The script uses native dialog with a small fallback. */
.site-theme-toggle,
.site-theme-dialog { font-family:var(--theme-font); font-size:14px; line-height:1.5; box-sizing:border-box; }
.site-theme-toggle[hidden],.site-theme-dialog[hidden] { display:none!important; }
.site-theme-toggle {
  position:fixed; z-index:1100; right:20px; bottom:20px; bottom:max(20px,env(safe-area-inset-bottom));
  display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:46px;
  padding:11px 16px; border:1px solid var(--theme-border); border-radius:999px;
  background:var(--theme-surface); color:var(--theme-text); box-shadow:0 5px 22px rgba(0,0,0,.14);
  cursor:pointer; font-weight:600;
}
.site-theme-toggle:hover { background:var(--theme-soft); color:var(--theme-accent); }
.site-theme-toggle-icon { width:19px; height:19px; flex:none; }
.site-theme-dialog:not([open]) { display:none; }
.site-theme-dialog[open] {
  display:block; position:fixed; inset:0; z-index:2000; width:min(600px,calc(100vw - 32px));
  height:max-content; max-height:calc(100dvh - 40px); margin:auto; padding:0;
  border:1px solid var(--theme-border); border-radius:16px; background:var(--theme-surface);
  color:var(--theme-text); box-shadow:0 24px 90px rgba(0,0,0,.28); overflow:auto;
}
.site-theme-dialog::backdrop { background:rgba(8,12,23,.50); }
.site-theme-dialog.is-fallback { box-shadow:0 0 0 100vmax rgba(8,12,23,.5),0 24px 90px rgba(0,0,0,.28); }
.site-theme-panel { padding:25px; }
.site-theme-panel * { box-sizing:border-box; }
.site-theme-heading { display:flex; align-items:center; justify-content:space-between; gap:14px; }
.site-theme-heading h2 { margin:0; font-size:23px; line-height:1.4; font-family:var(--theme-font); color:var(--theme-text); }
.site-theme-close { display:grid; place-items:center; flex:none; width:38px; height:38px; padding:0; border:1px solid var(--theme-border); border-radius:9px; background:var(--theme-surface); color:var(--theme-text); font-size:25px; cursor:pointer; }
.site-theme-close:hover { background:var(--theme-soft); }
.site-theme-description { margin:10px 0 20px; color:var(--theme-muted); font-size:13px; line-height:1.8; }
.site-theme-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.site-theme-choice { position:relative; display:flex; flex-direction:column; min-width:0; text-align:left; padding:13px; border:1px solid var(--theme-border); border-radius:11px; background:var(--theme-surface); color:var(--theme-text); font:inherit; cursor:pointer; }
.site-theme-choice:hover { background:var(--theme-surface-alt); }
.site-theme-choice[aria-pressed="true"] { outline:2px solid var(--theme-accent); outline-offset:1px; background:var(--theme-soft); }
.site-theme-swatch { display:flex; align-items:flex-end; gap:8px; width:100%; height:54px; padding:10px; border:1px solid rgba(90,95,120,.2); border-radius:6px; margin-bottom:10px; }
.site-theme-swatch i { display:block; width:24px; height:24px; border-radius:50%; border:1px solid rgba(90,95,120,.15); }
.site-theme-swatch[data-theme="editorial"] { background:#fff; }
.site-theme-swatch[data-theme="editorial"] i:nth-child(1) { background:#242429; }
.site-theme-swatch[data-theme="editorial"] i:nth-child(2) { background:#626269; }
.site-theme-swatch[data-theme="editorial"] i:nth-child(3) { background:#ededf0; }
.site-theme-swatch[data-theme="ocean"] { background:#f5f8ff; }
.site-theme-swatch[data-theme="ocean"] i:nth-child(1) { background:#2458de; }
.site-theme-swatch[data-theme="ocean"] i:nth-child(2) { background:#a4bff8; }
.site-theme-swatch[data-theme="ocean"] i:nth-child(3) { background:#fff; }
.site-theme-swatch[data-theme="sunset"] { background:#fff0e9; }
.site-theme-swatch[data-theme="sunset"] i:nth-child(1) { background:#ad3420; }
.site-theme-swatch[data-theme="sunset"] i:nth-child(2) { background:#edb29a; }
.site-theme-swatch[data-theme="sunset"] i:nth-child(3) { background:#fffaf8; }
.site-theme-swatch[data-theme="midnight"] { background:#0b1020; }
.site-theme-swatch[data-theme="midnight"] i:nth-child(1) { background:#bdc0ff; }
.site-theme-swatch[data-theme="midnight"] i:nth-child(2) { background:#35415d; }
.site-theme-swatch[data-theme="midnight"] i:nth-child(3) { background:#f0f1fa; }
.site-theme-choice-name { font-size:14px; font-weight:700; padding-right:38px; }
.site-theme-choice-description { display:block; margin-top:4px; color:var(--theme-muted); font-size:12px; line-height:1.7; }
.site-theme-selected { position:absolute; right:11px; top:76px; font-size:11px; color:var(--theme-accent); }
.site-theme-choice[aria-pressed="false"] .site-theme-selected { visibility:hidden; }
.site-theme-footer { display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin-top:20px; padding-top:17px; border-top:1px solid var(--theme-border); }
.site-theme-reset { border:1px solid var(--theme-border); border-radius:7px; padding:9px 12px; min-height:40px; background:var(--theme-surface-alt); color:var(--theme-accent); font:inherit; font-size:12px; cursor:pointer; }
.site-theme-reset:hover { background:var(--theme-soft); }
.site-theme-status { flex:1; margin:0; color:var(--theme-muted); font-size:12px; line-height:1.6; }
body:is(.card-memory-app,.gomoku-app,.xiangqi-app,.eat-today-app,.codebreaker-app):has(#toast:not([hidden])) .site-theme-toggle { visibility:hidden; }

@media(max-width:820px) {
  html[data-site-theme] .home-refresh .hero-description { font-size:14px; }
  html[data-site-theme] .home-refresh .home-hero { gap:25px; padding-top:40px; padding-bottom:40px; }
  html[data-site-theme] .home-refresh .tool-tile { padding:20px; }
  html[data-site-theme] .home-refresh .journal-card { padding:20px; }
  html[data-site-theme="editorial"] .home-refresh .journal-card { padding:22px 0; }
  html[data-site-theme="editorial"] .home-refresh .journal-card h3 { font-size:19px; }
}
@media(max-width:560px) {
  html[data-site-theme] .home-refresh .home-hero { gap:28px; padding-top:32px; padding-bottom:35px; }
  html[data-site-theme] .home-refresh .hero-copy h1 { font-size:32px; }
  html[data-site-theme] .home-refresh .hero-actions .home-button { font-size:12px; padding:11px 10px; }
  html[data-site-theme] .home-refresh .hero-facts { gap:12px; font-size:11px; }
  html[data-site-theme] .home-refresh .hero-feature { padding:22px; }
  html[data-site-theme] .home-refresh .tool-grid { gap:12px; }
  html[data-site-theme] .home-refresh .tool-tile { padding:16px 14px; }
  html[data-site-theme] .home-refresh .tool-tile>p { font-size:12px; }
  html[data-site-theme] .home-refresh .tool-tile>small { font-size:11px; }
  html[data-site-theme] .home-refresh .home-section-heading>a { font-size:12px; }
  html[data-site-theme] .home-refresh .home-search input { font-size:16px; }
  html[data-site-theme] .home-refresh .journal-card h3 { font-size:18px; }
  html[data-site-theme="editorial"] .home-refresh .tool-grid { gap:0; }
  html[data-site-theme="editorial"] .home-refresh .journal-card { grid-template-columns:minmax(0,1fr); }
  html[data-site-theme="editorial"] .home-refresh .journal-meta { grid-column:1; grid-row:auto; flex-direction:row; align-items:center; gap:8px; margin:0 0 12px; }
  html[data-site-theme="editorial"] .home-refresh .journal-meta time { margin-left:auto; }
  html[data-site-theme="editorial"] .home-refresh .journal-card :is(h3,p,.journal-bottom) { grid-column:1; }
  html[data-site-theme] .home-refresh .home-signoff { padding-bottom:25px; }
  html[data-site-theme] body .site-footer { padding-bottom:90px; }
  .site-theme-toggle { right:14px; bottom:14px; bottom:max(14px,env(safe-area-inset-bottom)); padding:9px 13px; min-height:44px; }
  .site-theme-dialog[open] { width:calc(100vw - 24px); max-height:calc(100dvh - 28px); border-radius:12px; }
  .site-theme-panel { padding:18px; }
  .site-theme-grid { gap:10px; }
  .site-theme-choice { padding:11px; }
  .site-theme-choice-name { font-size:13px; }
  .site-theme-choice-description { font-size:12px; }
  .site-theme-selected { top:74px; right:8px; font-size:10px; }
  .site-theme-footer { align-items:flex-start; flex-direction:column; }
}
@media(max-width:350px) {
  html[data-site-theme] .home-refresh .hero-copy h1 { font-size:28px; }
  html[data-site-theme] .home-refresh .hero-feature { padding:19px 15px; }
  html[data-site-theme] .home-refresh .hero-actions .home-button { gap:5px; font-size:11px; padding:10px 8px; }
  html[data-site-theme] .home-refresh .feature-copy h2 { font-size:22px; }
  .site-theme-choice-name { padding-right:0; }
  .site-theme-selected { position:static; margin-top:6px; }
}
@media(prefers-reduced-motion:reduce) {
  html[data-site-theme] .home-refresh *, .site-theme-toggle, .site-theme-dialog * { scroll-behavior:auto!important; transition:none!important; animation:none!important; }
}