/* Keep the outgoing page visible until the next document is ready. Native
   navigation, page scripts and history still work in browsers without this. */
@view-transition{navigation:auto}
::view-transition-group(root),::view-transition-old(root),::view-transition-new(root){animation:none}
::view-transition-image-pair(root){isolation:auto}
::view-transition-old(root),::view-transition-new(root){mix-blend-mode:normal}
/* Shared palette: body aliases below also theme older page styles. */
html:has(body.site-shell){
  --site-bg: #1b1a18;
  --site-surface: #23231f;
  --site-panel: #22221e;
  --site-tile: #22231f;
  --site-fg: #eeeae3;
  --site-muted: #aaa69d;
  --site-subtle: #969289;
  --site-line: #373630;
  --site-control-line: #45453d;
  --site-focus-line: #3f3e3a;
  --site-accent: #c5cbb1;
  --site-link: #d2d8bf;
  --site-heading: #d7dcc8;
  --site-hover: #2c2e25;
  --site-input-focus: #2a2a26;
  --site-search-focus: #2f2e2a;
  --site-hover-line: #777c65;
  --site-quote: #d2d0c7;
  --site-detail: #dddcd3;
  --site-print-text: #d5d1c9;
  --site-positive: #232a22;
  --site-warning: #30271f;
  --site-tag: #292c24;
  --site-floating: #1b1a18f2;
}
html[data-theme="sage"]:has(body.site-shell){
  --site-bg: #2a2520;
  --site-surface: #3a342f;
  --site-panel: #3a342f;
  --site-tile: #3a342f;
  --site-fg: #f0e5d4;
  --site-muted: #c0b7a7;
  --site-subtle: #b5ac9d;
  --site-line: #5a524b;
  --site-control-line: #6a6156;
  --site-focus-line: #756a5e;
  --site-accent: #adc99d;
  --site-link: #c1d8b4;
  --site-heading: #c1d8b4;
  --site-hover: #414736;
  --site-input-focus: #4a433d;
  --site-search-focus: #4a433d;
  --site-hover-line: #adc99d;
  --site-quote: #e1d5c4;
  --site-detail: #e1d5c4;
  --site-print-text: #e1d5c4;
  --site-positive: #34402e;
  --site-warning: #443525;
  --site-tag: #414736;
  --site-floating: #2a2520f2;
}
/* Shared navigation and reading styles. Scoped to avoid changing standalone tools. */
html:has(body.site-shell){background:var(--site-bg);color-scheme:dark}
body.site-shell{--bg:var(--site-bg);--bg-primary:var(--site-bg);--bg-secondary:var(--site-surface);--bg-card:var(--site-surface);--text:var(--site-fg);--text-primary:var(--site-fg);--text-secondary:var(--site-muted);--text-muted:var(--site-subtle);--link:var(--site-link);--accent:var(--site-accent);--border:var(--site-line);background:var(--site-bg)!important;color:var(--site-fg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif!important;line-height:1.75;width:100%;max-width:none!important;margin:0!important;padding:0!important;min-height:100vh;overflow-x:clip;box-sizing:border-box}
.site-shell *, .site-shell *::before,.site-shell *::after{box-sizing:border-box}
.site-header{width:100%;position:relative;z-index:100;flex-shrink:0;background:var(--site-bg);color:var(--site-fg)}
.site-header-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;width:min(1040px,calc(100% - 80px));margin:0 auto;border-bottom:1px solid var(--site-line);min-height:90px}
.site-header a,.site-footer a{color:inherit;text-decoration:none;opacity:1;transition:color .15s}
.site-brand{font-size:18px!important;font-weight:600;letter-spacing:-.5px;white-space:nowrap}
.site-brand span{margin-left:8px;color:var(--site-accent)}
.site-navigation{display:flex;align-items:center;gap:26px;font:13px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--site-muted)}
.site-navigation>a{display:inline-flex;align-items:center;min-height:44px;padding:0;position:relative}
.site-navigation>a[aria-current=page]{color:var(--site-fg)}
.site-navigation>a[aria-current=page]::after{content:"";height:2px;background:var(--site-accent);position:absolute;bottom:1px;left:0;right:0}
.site-navigation a:hover,.site-footer a:hover{color:var(--site-accent)}
.site-header button{appearance:none;font:inherit;cursor:pointer}
.site-search-trigger{display:flex;gap:7px;align-items:center;min-height:44px;background:none;border:0;padding:0;color:var(--site-muted)}
.site-navigation .site-contact-trigger{color:var(--site-fg);gap:9px}
.site-menu-toggle{display:none}
.site-shell .site-footer{width:min(1040px,calc(100% - 80px));max-width:none;margin:35px auto 0;padding:25px 0 32px;border-top:1px solid var(--site-line);display:flex;align-items:flex-start;justify-content:space-between;gap:22px;font-size:11px;line-height:1.6;color:var(--site-muted)}
.site-footer>div{display:flex;gap:12px;flex-wrap:wrap}.site-footer .site-footer-brand{color:var(--site-fg)}
.site-footer nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px 20px;font-size:11px;color:var(--site-muted)}
.site-breadcrumb{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin:0 0 25px;font:11px/1.5 -apple-system,sans-serif;color:var(--site-muted)}
.site-breadcrumb a{color:var(--site-muted);text-decoration:none}.site-breadcrumb a:hover{color:var(--site-accent)}
.site-shell .site-content{width:min(760px,calc(100% - 48px));margin:0 auto;min-height:55vh;padding:38px 0 40px}
.site-shell.site-hub .site-content{width:min(900px,calc(100% - 48px))}
.site-shell.site-gallery .site-content{width:min(1040px,calc(100% - 48px))}
.site-shell .site-content>.blog-container,.site-shell .site-content>.wiki-container,.site-shell .site-content>.tools-container,.site-shell .site-content>.more-container,.site-shell .site-content>.games-container,.site-shell .site-content>.media-container,.site-shell .site-content>.questions-container,.site-shell .site-content>.container{width:100%;max-width:none!important;padding:0!important;margin:0!important}
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.site-shell .site-content h2{color:var(--site-heading);font-size:20px;line-height:1.4;font-weight:500;letter-spacing:-.3px}
.site-shell .site-content h3{font-size:17px;line-height:1.45;color:var(--site-fg)}
.site-shell .site-content p,.site-shell .site-content li{line-height:1.8}
.site-shell .site-content a{color:var(--link);text-underline-offset:4px}
.site-shell .site-content img{max-width:100%}
.site-shell .site-content pre{max-width:100%;overflow:auto}
.site-shell .site-content .section-title{font:11px/1.5 ui-monospace,monospace;letter-spacing:1.1px;color:var(--site-muted);margin-top:30px;margin-bottom:12px}
.site-shell.site-hub .site-content .header-row{align-items:center;margin-bottom:14px;gap:20px}
.site-shell.site-hub .site-content .header-row h1{margin:0}
.site-shell.site-hub .site-content .blog-container>ul>li,.site-shell.site-hub .site-content .tools-container>ul>li,.site-shell.site-hub .site-content .more-container>ul>li,.site-shell.site-hub .site-content .games-container>ul>li{padding:14px 0;border-bottom:1px solid var(--site-line);display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.site-shell.site-hub .site-content .questions-container>ul>li{padding:14px 0;border-bottom:1px solid var(--site-line);display:block}
.site-shell .question-desc{display:block;margin-top:4px;color:var(--site-muted);font-size:13px;line-height:1.6}
.site-shell.site-hub .post-date,.site-shell.site-hub .tool-desc,.site-shell.site-hub .game-desc,.site-shell.site-hub .page-desc{color:var(--site-muted);font-size:12px}
.site-shell .post-date{white-space:nowrap}
.site-shell .mission-box{background:var(--site-surface);border:1px solid var(--site-line);border-radius:8px;margin-bottom:30px}
.site-shell .site-content button,.site-shell .site-content input,.site-shell .site-content select{font-family:inherit}
.site-shell :is(a,button,summary,select):focus-visible{outline:2px solid var(--site-accent);outline-offset:4px}
.site-shell :is(input,textarea):is(:focus,:focus-visible){outline:0;outline-offset:0;box-shadow:none}
.site-shell :is(#site-search-input,.wiki-search-input,input[type=search]):is(:focus,:focus-visible){outline:0!important;outline-color:transparent!important;outline-offset:0!important;box-shadow:none!important;background:var(--site-input-focus);border-color:var(--site-line)}
.site-skip,.site-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.site-skip:focus{width:auto;height:auto;clip-path:none;z-index:1001;left:12px;top:12px;padding:10px;background:var(--site-fg);color:var(--site-bg)}
.site-search-dialog{width:min(620px,calc(100vw - 32px));max-height:80dvh;margin:auto;padding:26px;border:1px solid var(--site-line);border-radius:14px;background:var(--site-panel);color:var(--site-fg);font:14px/1.6 -apple-system,sans-serif}
.site-search-dialog,.site-search-dialog:focus,.site-search-dialog:focus-visible{outline:0!important;outline-offset:0;box-shadow:none}
.site-search-dialog::backdrop{background:#000a;backdrop-filter:blur(4px)}
.site-dialog-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px;gap:20px}
.site-dialog-heading h2{font-size:23px;font-weight:450;margin:0;color:var(--site-fg)}
.site-dialog-heading button{width:40px;height:40px;border:0;background:none;color:var(--site-muted);font-size:25px;cursor:pointer}
#site-search-input,.site-search-dialog input[type=search]{width:100%;padding:13px 14px;border:1px solid var(--site-line);border-radius:8px;font:16px -apple-system,sans-serif;background:var(--site-bg);color:var(--site-fg);box-sizing:border-box;-webkit-appearance:none;appearance:none}
#site-search-input:is(:focus,:focus-visible),.site-search-dialog input[type=search]:is(:focus,:focus-visible){outline:0!important;outline-color:transparent!important;outline-offset:0!important;box-shadow:none!important;border-color:var(--site-line)!important;background:var(--site-input-focus)!important}
.site-shell :is(.wiki-search-input,.search-input,.photo-search input,.sidebar-search input,.shelf-tools input,input[type=search]),#site-search-input{-webkit-appearance:none;appearance:none}
.site-shell :is(.wiki-search-input,.search-input,.photo-search input,.sidebar-search input,.shelf-tools input,input[type=search]):is(:focus,:focus-visible){outline:0!important;outline-color:transparent!important;outline-offset:0!important;box-shadow:none!important;border-color:var(--site-focus-line);background:var(--site-search-focus)}
.site-shell .wiki-search-input:is(:focus,:focus-visible){border-color:var(--site-focus-line)!important;background:var(--site-search-focus)!important;box-shadow:none!important}
.site-shell .search-bar .search-input:is(:focus,:focus-visible){background:transparent;border-color:transparent;box-shadow:none!important}
.site-search-status,.site-search-hint{font-size:11px;color:var(--site-muted);margin:12px 0}
.site-search-results{max-height:46dvh;overflow:auto;overscroll-behavior:contain}
.site-search-results a{display:block;padding:12px 5px;border-top:1px solid var(--site-line);text-decoration:none;color:var(--site-fg);font-size:14px}
.site-search-results a small{display:block;font-size:10px;color:var(--site-muted);margin-top:2px}
.site-search-results a:hover,.site-search-results a.is-active{background:var(--site-hover);color:var(--site-accent)}
.site-search-results a.is-active small{color:var(--site-accent)}
.site-shell .blog-header{padding:0 0 25px;background:none}.site-shell .blog-header .container{padding:0;max-width:none}.site-shell .blog-title{font-size:36px}
.explore-intro{font-size:16px;color:var(--site-muted);max-width:600px;margin-bottom:35px}
.explore-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0 35px}
.explore-tile{display:block;padding:22px;border:1px solid var(--site-line);background:var(--site-tile);border-radius:8px;text-decoration:none!important}
.explore-tile strong{display:flex;justify-content:space-between;font-size:18px;font-weight:500;color:var(--site-fg);margin-bottom:7px}
.explore-tile p{font-size:13px;color:var(--site-muted);margin:0}
.explore-tile:hover{border-color:var(--site-hover-line)}
.site-section-links{display:flex;flex-wrap:wrap;gap:10px 20px;padding:15px 0;margin-bottom:22px;border-block:1px solid var(--site-line);font-size:12px}
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@media(prefers-reduced-motion:reduce){.site-shell *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

.site-shell details.mission-box summary{padding:16px 20px;cursor:pointer;font-size:13px;color:var(--site-detail)}.site-shell details.mission-box .mission-content-inner{padding:0 20px 20px}.site-shell .site-content .section-title{text-align:left}.site-shell .site-content table{display:block;max-width:100%;overflow-x:auto}.site-shell.site-reading .site-content{overflow-wrap:anywhere}

@media(max-width:600px){.site-header .site-brand{min-height:76px;display:inline-flex;align-items:center}}
@media print{.site-header,.site-footer,.site-breadcrumb,.site-skip,dialog{display:none!important}.site-shell .site-content{width:100%;padding:0}body.site-shell{background:white!important;color:black!important}.site-shell .site-content :is(h1,h2,h3,p,li,a){color:black!important}}
.site-shell.site-hub .wiki-container .header-row{display:flex;flex-direction:row;align-items:center;text-align:left;flex-wrap:wrap}.site-shell .wiki-container .header-stats{justify-content:flex-start}.site-shell .wiki-container>ul>li{padding:12px 0;border-bottom:1px solid var(--site-line)}.site-shell .wiki-container .article-desc{display:block;font-size:12px;line-height:1.6;color:var(--site-muted);margin:3px 0 0}.site-shell .wiki-search-container{position:static;width:100%;padding:0;margin:24px 0 30px!important}.site-shell .wiki-search-input{width:100%;background:var(--site-tile)!important;border:1px solid var(--site-control-line)!important;border-radius:8px;padding:12px 14px!important;color:var(--site-fg)}.site-shell .header-random-btn{padding:8px 13px;min-height:38px;border:1px solid var(--site-control-line);border-radius:7px;background:var(--site-tile);color:var(--site-accent);cursor:pointer}.site-shell .animations-header{padding:0;background:none}.site-shell .animations-grid-section{padding:20px 0}.site-shell .animations-header .container,.site-shell .animations-grid-section .container{padding:0;max-width:none}
.site-shell .blog-header,.site-shell .animations-header{text-align:left}.site-shell .blog-title,.site-shell .animations-title{background:none;-webkit-text-fill-color:currentColor}.site-shell .blog-subtitle,.site-shell .animations-subtitle{font-size:16px;color:var(--site-muted)}.site-shell .animations-header-content{margin:0}.site-shell .blog-section{padding:0;background:transparent}.site-shell .blog-section>.container{padding:0;max-width:none}.site-shell .photo-search input{background:var(--site-tile);border:1px solid var(--site-control-line);border-radius:8px;color:var(--site-fg)}.site-shell .photo-search-help{font-size:12px;color:var(--site-muted)}
/* Keep legacy reading-page variables aligned with the shared palette. */
html:has(body.site-shell){background:var(--site-bg)!important}.site-shell{--fg:var(--site-fg);--muted:var(--site-muted);--line:var(--site-line);--text-tertiary:var(--site-muted);--bg-tertiary:var(--site-surface)}.site-shell .site-content{background:transparent}.history-figure{margin:24px 0 45px}.history-figure img{display:block;width:100%;border:1px solid var(--site-line);border-radius:8px}.history-figure figcaption{font-size:12px;line-height:1.7;color:var(--site-muted);margin-top:12px}.site-reading article+article{border-top:1px solid var(--site-line);margin-top:40px;padding-top:20px}
/* App workspaces retain their controls inside the shared site frame. */
html:has(.site-workspace){height:auto;min-height:100%;overflow:auto;touch-action:auto}.site-shell.site-workspace{height:auto!important;display:block!important;overflow:auto!important;touch-action:auto}.site-workspace-content{position:relative;min-height:65vh;color:var(--text);--primary:var(--site-accent);--surface:var(--site-surface);--panel:var(--site-surface);--card:var(--site-surface);--accent-color:var(--site-accent)}.site-workspace .site-header{z-index:1000}.site-workspace-content>.header,.site-workspace-content>.game-header{position:relative;top:auto;background:var(--site-surface);border-color:var(--site-line)}.site-workspace-content>.container{padding-top:28px}.site-workspace-content .back-link{color:var(--site-accent)}.site-workspace-content :is(input,textarea,select){color-scheme:dark}.site-game .site-workspace-content{height:calc(100dvh - 90px);min-height:660px;display:flex;flex-direction:column}.site-game .site-footer{margin-top:0}.site-canvas .site-workspace-content{height:100vh;overflow:hidden;background:#000}.site-canvas #canvas-container{width:100%;height:100%}.site-canvas #back-button{z-index:20}.site-canvas .site-header-inner{min-height:64px}.site-shell.site-reading .site-content>.container{background:transparent;box-shadow:none;border-radius:0;color:var(--text)}.site-shell.site-reading .site-content>.container :is(p,li){color:var(--text-secondary)}.site-print .site-content :is(div,span,strong){color:inherit}.site-print .site-content .header{background:transparent}.site-shell .site-content :is(.info-box,.principle,.highlight-box){background:var(--site-surface);border-color:var(--site-line);color:var(--site-fg)}
.site-shell nav.nav,.site-shell .sidebar-overlay{display:none!important}.site-shell.site-reading{display:block;height:auto;overflow-y:auto}.site-shell.site-reading .site-content>.container :is(.section,.content-section){background:transparent}
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.site-workspace-content .btn-primary{background:var(--site-accent);color:var(--site-bg)}.site-workspace-content .btn-danger{background:#8b4941;color:#fff}.site-workspace-content .word-display>span:only-child{font-size:clamp(20px,4vw,32px);white-space:normal;line-height:1.4}.site-workspace-content .word-display{max-width:100%}.site-reading .site-content blockquote{background:var(--site-surface);border-color:var(--site-accent);color:var(--site-quote)}.site-reading .site-content :is(.neutral,.positive,.strength,.strengths){background:var(--site-positive);color:var(--site-fg)}.site-reading .site-content .warning{background:var(--site-warning);color:var(--site-fg)}.site-reading .site-content :is(td,th){color:inherit;border-color:var(--site-line)}.site-reading .site-content th{background:var(--site-surface)}.site-reading .site-content :is(.subtitle,.section-intro,.value-description,.description){color:var(--site-muted)}
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.site-profile .site-content :is(.intro,.card,th){background:var(--site-surface);color:var(--site-fg);border-color:var(--site-line)}.site-profile .site-content :is(h2,.header){border-color:var(--site-line)}.site-profile .site-content .download-btn{background:var(--site-accent);color:var(--site-bg)}.site-profile .site-content .style-word{background:var(--site-tag);color:var(--site-link);border:1px solid var(--site-line)}
.site-workspace-content>.header{overflow-x:auto}.site-workspace-content .header-tools{flex-shrink:0}.site-workspace-content>.header .logo{white-space:nowrap}
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  .site-js .site-explore-bar{display:flex}
  .site-js body.site-shell:not(.site-game):not(.site-canvas) .site-footer{padding-bottom:88px}
}
body:has(dialog[open]) .site-explore-bar{display:none!important}

/* Focus mode keeps article content and its interactive visuals intact. */
.site-focus-trigger{display:inline-flex;align-items:center;min-height:44px;padding:0;border:0;background:none;color:var(--site-muted);white-space:nowrap}
.site-focus-trigger:hover{color:var(--site-accent)}
html.site-focus body.site-shell>:is(.site-header,.site-footer,.site-explore-bar),
html.site-focus .site-content :is(.site-breadcrumb,.keyboard-help),
html.site-focus .site-reading .site-content :is(.nav-links,.back-link,.guide-jumps){display:none!important}
html.site-focus .site-shell .site-content{padding-top:40px;padding-bottom:110px;min-height:100dvh}
html.site-focus .site-game .site-workspace-content{height:100dvh}
.site-focus-controls{position:fixed;bottom:max(16px,env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);z-index:1100;max-width:calc(100vw - 24px);font:12px/1.4 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--site-fg);transition:opacity .2s}
.site-focus-controls[hidden],.site-focus-controls button[hidden]{display:none}
.site-focus-actions{display:flex;align-items:center;justify-content:center;gap:2px;padding:3px;border:1px solid var(--site-line);border-radius:10px;background:var(--site-bg);box-shadow:0 4px 24px #0003}
.site-focus-actions button{flex-shrink:0;appearance:none;min-width:44px;min-height:44px;padding:8px 12px;border:0;border-radius:6px;background:none;font:inherit;color:inherit;white-space:nowrap;cursor:pointer}
.site-focus-actions button:hover{background:var(--site-hover);color:var(--site-accent)}
.site-focus-actions [data-focus-back],.site-focus-actions [data-focus-next]{font-size:18px;padding-inline:8px}
.site-focus-status{max-width:380px;margin:0 0 8px;text-align:center;font:11px/1.5 -apple-system,sans-serif;color:var(--site-muted);background:var(--site-bg);border-radius:5px;padding:3px 6px}
.site-focus-idle .site-focus-controls:not(:focus-within){opacity:0;pointer-events:none}
.site-focus-controls:focus-within{opacity:1}
.site-focus .site-content:focus{outline:none}
body:has(dialog[open]) .site-focus-controls{visibility:hidden}
.site-focus-setting{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid var(--border);border-radius:7px;background:var(--bg-card);color:var(--text);font:inherit;cursor:pointer}
.site-focus-setting[aria-pressed=true]{border-color:var(--accent)}
@media(max-width:600px){html.site-focus .site-shell .site-content{padding-top:26px}.site-focus-actions button{padding-inline:9px}.site-focus-actions{gap:0}}
@media(prefers-reduced-motion:reduce){.site-focus-controls{transition:none}}
@media print{.site-focus-controls,.site-focus-trigger{display:none!important}}

/* A compact source handoff for wiki learning, shared by every wiki article. */
.wiki-tutor{margin:1rem 0;padding:.65rem 0;border-top:1px solid var(--site-line,#444);border-bottom:1px solid var(--site-line,#444);font-size:.85rem}
.wiki-tutor-row{display:flex;align-items:center;flex-wrap:wrap;gap:.55rem}
.wiki-tutor-row label{display:flex;align-items:center;gap:.5rem}
.wiki-tutor :is(select,button),.postgres-example select{font:inherit;color:inherit;background:var(--site-bg,#1b1a18);border:1px solid var(--site-line,#666);border-radius:4px;padding:.4rem .6rem;min-height:36px}
.wiki-tutor button{cursor:pointer}.wiki-tutor button:disabled{opacity:.6;cursor:wait}
.wiki-tutor .wiki-tutor-status{font-size:.85rem;margin:.4rem 0 0}.wiki-tutor-status:empty{display:none}
.wiki-tutor textarea{box-sizing:border-box;display:block;width:100%;margin-top:.5rem;font:inherit;color:inherit;background:var(--site-bg,#1b1a18);border:1px solid #666;padding:.5rem}
.wiki-tutor :focus-visible,.postgres-example select:focus-visible{outline:2px solid currentColor;outline-offset:3px}
[data-wiki-article] pre{overflow-x:auto;max-width:100%;font-size:.85rem;line-height:1.6;padding:.75rem;border:1px solid var(--site-line,#444)}
.postgres-example{margin:.75rem 0}.postgres-example p{margin-top:.5rem}