/* Confessions — styles */
/* ===== COLOURS AND FONTS =====
   Block 1: fonts + light colours.  Block 2: dark colours when the visitor's device is in dark mode.
   Block 3: dark colours when the visitor picks "Dark". Keep blocks 2 and 3 identical. */

/* Block 1 — fonts and light colours */
[data-design="forester"] {
  --font-body: "STIX Two Text", "STIX Two", "Times New Roman", Times, serif;
  --font-head: "STIX Two Text", "STIX Two", "Times New Roman", serif;
  --font-ui: "STIX Two Text", "Times New Roman", serif;
  --fs: 1.16rem;
  --lh: 1.5;
  --measure: 37rem;
  --bg: #FFFFFF;
  --paper: #FFFFFF;
  --surface: #F4F5F7;
  --ink: #16181D;
  --ink-2: #30343B;
  --muted: #5A606B;
  --rule: #D9DCE1;
  --accent: #1D4BA0;
  --accent-soft: #E6ECF7;
  --link-broken: #8C929B;
  --mark: #FDF1B0;
  --code-bg: #F4F5F7;
  --hl-kw: #1D4BA0;
  --hl-str: #8A2F2F;
  --hl-com: #6F7580;
  --hl-num: #8A4B12;
  --hl-fn: #16181D;
  --shadow: 0 10px 28px rgba(22,24,29,.14), 0 1px 3px rgba(22,24,29,.10);
  color-scheme: light;
}

/* Block 2 — dark colours (automatic) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"])[data-design="forester"] {
    --bg: #1C1E22;
    --paper: #1C1E22;
    --surface: #25282D;
    --ink: #E6E8EC;
    --ink-2: #C9CDD4;
    --muted: #A0A6B0;
    --rule: #363A42;
    --accent: #93B3F2;
    --accent-soft: #26324A;
    --link-broken: #6A7079;
    --mark: #4B4521;
    --code-bg: #23262B;
    --hl-kw: #93B3F2;
    --hl-str: #E79C9C;
    --hl-com: #80868F;
    --hl-num: #E0AE72;
    --hl-fn: #E6E8EC;
    --shadow: 0 10px 28px rgba(0,0,0,.55), 0 1px 3px rgba(0,0,0,.4);
    color-scheme: dark;
  }
}

/* Block 3 — dark colours (chosen with the theme button) */
:root[data-theme="dark"][data-design="forester"] {
  --bg: #1C1E22;
  --paper: #1C1E22;
  --surface: #25282D;
  --ink: #E6E8EC;
  --ink-2: #C9CDD4;
  --muted: #A0A6B0;
  --rule: #363A42;
  --accent: #93B3F2;
  --accent-soft: #26324A;
  --link-broken: #6A7079;
  --mark: #4B4521;
  --code-bg: #23262B;
  --hl-kw: #93B3F2;
  --hl-str: #E79C9C;
  --hl-com: #80868F;
  --hl-num: #E0AE72;
  --hl-fn: #E6E8EC;
  --shadow: 0 10px 28px rgba(0,0,0,.55), 0 1px 3px rgba(0,0,0,.4);
  color-scheme: dark;
}

/* ===== base ===== */
*,*::before,*::after{box-sizing:border-box}
:root{box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);--danger:#A8322A;--fs-ui:1rem}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--danger:#F0A49B}}
:root[data-theme="dark"]{--danger:#F0A49B}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 5rem);-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:var(--fs);line-height:var(--lh);font-kerning:normal;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
img,svg,video{max-width:100%}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:.18em;text-decoration-color:color-mix(in srgb,var(--accent) 45%,transparent)}
a:hover{text-decoration-color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
button,input,textarea,select{font:inherit;color:inherit}
[hidden]{display:none!important}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:1rem;top:calc(env(safe-area-inset-top,0px) + .5rem);z-index:100;background:var(--paper);padding:.5rem 1rem;border:1px solid var(--rule)}
.muted{color:var(--muted)}

/* ===== top bar ===== */
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.5rem clamp(.75rem,3vw,2.25rem);background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule);font-family:var(--font-ui);font-size:var(--fs-ui);line-height:1.3}
.brand{display:flex;align-items:baseline;gap:.75rem;color:var(--ink);text-decoration:none;min-width:0;flex:0 1 auto}
.brand-title{font-family:var(--font-head);font-weight:600;font-size:1.12em;white-space:nowrap}
.brand-sub{color:var(--muted);font-size:.88em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{display:flex;align-items:center;gap:.15rem;flex:0 0 auto;overflow-x:auto;scrollbar-width:none;font-size:.94em}
.nav::-webkit-scrollbar{display:none}
.nav a,.nav>button,.nav .edit-tools>button{background:none;border:0;padding:.4rem .6rem;border-radius:6px;color:var(--ink-2);text-decoration:none;cursor:pointer;white-space:nowrap;line-height:1.2}
.nav a:hover,.nav>button:hover,.nav .edit-tools>button:hover{color:var(--ink);background:var(--surface)}
.nav a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:.45em}
.nav kbd{font-family:inherit;font-size:.78em;color:var(--muted);border:1px solid var(--rule);border-radius:4px;padding:0 .35em;margin-left:.35em}
.edit-tools{display:flex;align-items:center;gap:.15rem;margin-left:.35rem;padding-left:.5rem;border-left:1px solid var(--rule)}
.nav .edit-tools>.nav-add{color:var(--accent);font-weight:600}
@media (max-width:760px){.brand-sub{display:none}.nav kbd{display:none}.topbar{gap:.5rem}}
@media (max-width:520px){.nav a,.nav>button,.nav .edit-tools>button{padding:.4rem .42rem}}

.x-banner{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;padding:.6rem clamp(.75rem,3vw,2.25rem);background:var(--accent-soft);color:var(--ink);font-family:var(--font-ui);font-size:.92rem;border-bottom:1px solid var(--rule)}
.banner p{margin:0;flex:1 1 20rem}

/* ===== prose ===== */
.prose{color:var(--ink);overflow-wrap:break-word;counter-reset:thm sec}
.prose>:first-child{margin-top:0}
.prose p,.prose ul,.prose ol,.prose blockquote,.prose pre,.prose .table-wrap,.prose .callout,.prose div.math-d,.prose figure,.prose dl,.prose .transclusion{margin:0 0 1.05em}
.prose h2,.prose h3,.prose h4{font-family:var(--font-head);color:var(--ink);line-height:1.25}
.prose h2{font-size:1.42em;font-weight:600;margin:1.9em 0 .55em}
.prose h3{font-size:1.16em;font-weight:600;margin:1.6em 0 .45em}
.prose h4{font-size:1em;font-weight:600;font-style:italic;margin:1.4em 0 .35em}
.prose ul,.prose ol{padding-left:1.35em}
.prose li{margin:.3em 0}
.prose li>ul,.prose li>ol{margin:.3em 0 0}
.prose li>p{margin:0 0 .4em}
.prose li.task{list-style:none;margin-left:-1.35em}
.prose li.task input{accent-color:var(--accent);margin:0 .5em 0 0;transform:translateY(.1em)}
.prose blockquote{margin-left:0;padding:0 0 0 1.1em;border-left:2px solid var(--rule);color:var(--ink-2)}
.prose code{font-family:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;font-size:.84em;background:var(--code-bg);padding:.12em .34em;border-radius:4px}
.prose pre{position:relative;background:var(--code-bg);padding:1em 1.1em;border-radius:6px;overflow-x:auto;font-size:.86em;line-height:1.55;border:1px solid var(--rule)}
.prose pre code{background:none;padding:0;font-size:inherit;border-radius:0}
.prose pre[data-lang]::after{content:attr(data-lang);position:absolute;top:.45em;right:.7em;font-family:var(--font-ui);font-size:.72em;color:var(--muted)}
.table-wrap{overflow-x:auto}
.prose table{border-collapse:collapse;width:100%;font-size:.88em;line-height:1.45;font-variant-numeric:tabular-nums lining-nums}
.prose th,.prose td{padding:.5em .75em;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
.prose thead th{font-weight:600;border-bottom:1.5px solid var(--ink-2)}
.prose hr{border:0;border-top:1px solid var(--rule);margin:2.2em 0}
.prose mark{background:var(--mark);color:inherit;padding:0 .12em;border-radius:2px}
.prose img{height:auto;border-radius:4px}
.prose strong{font-weight:650}
.prose div.math-d,.prose span.math-d{display:block;overflow-x:auto;overflow-y:hidden;text-align:center;padding:.15em 0}
.prose span.math-d{margin:.6em 0}
mjx-container{color:inherit}
mjx-container[display="true"]{margin:0!important;overflow-x:auto;overflow-y:hidden}
.prose a.wikilink{text-decoration-style:solid}
.prose a.wikilink.is-broken,.prose a.is-broken{color:var(--link-broken);text-decoration-style:dotted;text-decoration-color:var(--link-broken);cursor:help}
.prose a.external::after{content:"\2197";font-size:.68em;margin-left:.12em;vertical-align:.35em;line-height:0;text-decoration:none;display:inline-block}

/* code highlighting */
.hljs-keyword,.hljs-selector-tag,.hljs-built_in,.hljs-type,.hljs-doctag{color:var(--hl-kw)}
.hljs-string,.hljs-regexp,.hljs-addition,.hljs-template-tag{color:var(--hl-str)}
.hljs-comment,.hljs-quote,.hljs-meta{color:var(--hl-com);font-style:italic}
.hljs-number,.hljs-literal,.hljs-symbol,.hljs-bullet{color:var(--hl-num)}
.hljs-title,.hljs-section,.hljs-selector-id,.hljs-selector-class{color:var(--hl-fn)}
.hljs-attr,.hljs-variable,.hljs-params,.hljs-property{color:var(--ink-2)}
.hljs-deletion{color:var(--danger)}
.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}

/* callouts */
.callout{--cc:var(--accent);border-left:3px solid var(--cc);background:color-mix(in srgb,var(--cc) 7%,transparent);padding:.75em 1em .8em;border-radius:0 6px 6px 0}
.callout-title{font-family:var(--font-ui);font-weight:600;color:var(--cc);margin:0 0 .3em;font-size:.95em}
.callout-body>:last-child{margin-bottom:0}
.callout-tip,.callout-hint,.callout-success{--cc:var(--stage-budding)}
.callout-warning,.callout-caution,.callout-attention{--cc:#B7791F}
.callout-danger,.callout-error,.callout-bug{--cc:var(--danger)}
.callout-quote,.callout-cite{--cc:var(--muted)}
.callout-quote .callout-body{font-style:italic}
.callout-question,.callout-todo{--cc:var(--hl-kw)}
.callout.is-formal{background:var(--surface);border-left:0;border-radius:6px;padding:.85em 1.1em}
.thm-head{font-weight:700;font-style:normal}
.thm-num::before{content:"\00a0" counter(thm)}
.thm-name{font-weight:400}
.callout.is-numbered{counter-increment:thm}
.callout-theorem .callout-body,.callout-lemma .callout-body,.callout-proposition .callout-body,.callout-corollary .callout-body,.callout-conjecture .callout-body{font-style:italic}
.callout-theorem .callout-body .thm-head,.callout-lemma .callout-body .thm-head{font-style:normal}
.callout-proof .thm-head{font-style:italic;font-weight:400}
.qed{float:right;margin-left:1em}

/* transclusion */
.transclusion{display:block;border:1px solid var(--rule);border-radius:6px;padding:.9em 1.1em;background:var(--paper)}
.transclusion-head{font-family:var(--font-ui);font-size:.85em;margin:0 0 .5em;color:var(--muted)}
.transclusion-body>:last-child{margin-bottom:0}

/* sidenotes & footnotes */
.sn-ref{font-size:.7em;line-height:0;vertical-align:.55em;padding:0 .08em;font-variant-numeric:lining-nums}
.sn-ref a{text-decoration:none;font-weight:600}
.sn-body{display:none}
.sn-num{font-weight:600;margin-right:.3em;font-variant-numeric:lining-nums}
.footnotes{margin-top:2.4em;padding-top:.9em;border-top:1px solid var(--rule);font-size:.86em;color:var(--ink-2)}
.footnotes ol{padding-left:1.4em;margin:0}
.footnotes li{margin:.45em 0}
.fn-back{text-decoration:none;margin-left:.3em}

/* ===== note (shared) ===== */
.note-page{max-width:calc(var(--measure) + 4rem);margin:0 auto;padding:clamp(1.75rem,5vw,3.5rem) clamp(1rem,4vw,2rem) 5rem}
.note-head{margin:0 0 2rem}
.note-kicker{margin:0 0 .5rem;color:var(--muted);font-family:var(--font-ui);font-size:.86em;display:flex;gap:.6em;align-items:baseline}
.note-addr{display:none;font-variant-numeric:tabular-nums lining-nums}
.note-kicker:not(:has(.note-taxon)){display:none}
.note-title{font-family:var(--font-head);font-weight:600;font-size:clamp(1.9rem,4.5vw,2.5rem);line-height:1.12;margin:0;letter-spacing:-.01em;text-wrap:balance}
.note-summary{margin:.7rem 0 0;color:var(--ink-2);font-size:1.06em;text-wrap:pretty}
.note-meta{display:flex;flex-wrap:wrap;gap:.35rem 1.4rem;margin:1rem 0 0;font-family:var(--font-ui);font-size:.84em;color:var(--muted)}
.note-meta>div{display:flex;gap:.4em;align-items:baseline}
.note-meta dt{color:var(--muted)}
.note-meta dd{margin:0;color:var(--ink-2)}
.tag{color:var(--ink-2);text-decoration:none;border-bottom:1px solid var(--rule)}
.tag:hover{color:var(--accent);border-bottom-color:var(--accent)}
.tag+.tag{margin-left:.55em}
.draft-flag{display:inline-block;margin:.9rem 0 0;padding:.2rem .6rem;border:1px dashed var(--muted);border-radius:4px;font-family:var(--font-ui);font-size:.8rem;color:var(--muted)}
.toc{display:none}
.toc-title{margin:0 0 .5rem;font-family:var(--font-ui);font-weight:600;font-size:.9em;color:var(--ink-2)}
.toc ol{list-style:none;margin:0;padding:0}
.toc li{margin:.3rem 0;line-height:1.3}
.toc li.lvl-3{padding-left:.9rem;font-size:.95em}
.toc a{color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--accent)}
.note-foot{margin-top:3.2rem;font-family:var(--font-ui);font-size:.92em}
.note-foot h2{font-family:var(--font-ui);font-size:1rem;font-weight:600;color:var(--ink-2);margin:0 0 .8rem}
.backlinks{padding-top:1.3rem;border-top:1px solid var(--rule)}
.backlinks ul{list-style:none;margin:0;padding:0;display:grid;gap:.9rem}
.bl-title{font-weight:600;text-decoration:none}
.bl-title:hover{text-decoration:underline}
.bl-ctx{margin:.2rem 0 0;color:var(--muted);font-size:.92em;line-height:1.5}
.bl-ctx strong{color:var(--ink-2);font-weight:600}
.local-graph{margin-top:2rem}
.graph-local{height:15rem;border:1px solid var(--rule);border-radius:8px;background:var(--paper);overflow:hidden}
.note-actions{display:flex;gap:.5rem;margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--rule)}
.empty-state{max-width:34rem;margin:0 auto;padding:4rem 1.25rem;text-align:center;font-family:var(--font-ui)}
.empty-state h1{font-family:var(--font-head);font-size:1.6rem;margin:0 0 .6rem}
.empty-state p{color:var(--muted)}

/* ===== shared page chrome ===== */
.page{max-width:48rem;margin:0 auto;padding:clamp(1.75rem,5vw,3.5rem) clamp(1rem,4vw,2rem) 5rem}
.page h1{font-family:var(--font-head);font-size:clamp(1.8rem,4vw,2.3rem);line-height:1.15;margin:0 0 .5rem;font-weight:600}
.page-lede{color:var(--muted);margin:0 0 2rem;font-family:var(--font-ui);font-size:.95em}
.tag-cloud{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.55rem}
.tag-cloud a{display:inline-flex;gap:.45em;align-items:baseline;padding:.35rem .75rem;border:1px solid var(--rule);border-radius:999px;text-decoration:none;color:var(--ink);background:var(--paper);font-family:var(--font-ui);font-size:.92em}
.tag-cloud a:hover{border-color:var(--accent);color:var(--accent)}
.tag-cloud .count{color:var(--muted);font-size:.85em;font-variant-numeric:tabular-nums}
.plain-list{list-style:none;margin:0;padding:0}
.plain-list li{padding:.75rem 0;border-top:1px solid var(--rule)}
.plain-list li:last-child{border-bottom:1px solid var(--rule)}
.plain-list .pl-title{font-weight:600;text-decoration:none;color:var(--ink)}
.plain-list .pl-title:hover{color:var(--accent)}
.plain-list .pl-meta{display:flex;gap:.8rem;align-items:center;margin-top:.15rem;font-family:var(--font-ui);font-size:.82em;color:var(--muted)}
.plain-list .pl-sum{margin:.2rem 0 0;color:var(--ink-2);font-size:.92em}
/* ===== popover ===== */
.popover{position:fixed;z-index:50;width:min(27rem,calc(100vw - 1.5rem));max-height:21rem;overflow:hidden;background:var(--paper);color:var(--ink);border:1px solid var(--rule);border-radius:8px;box-shadow:var(--shadow);padding:1rem 1.15rem 1.2rem;font-size:calc(var(--fs) * .8);line-height:1.5}
.popover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3.5rem;background:linear-gradient(transparent,var(--paper));pointer-events:none}
.pop-title{font-family:var(--font-head);font-weight:600;font-size:1.2em;margin:0 0 .15rem;line-height:1.25}
.pop-meta{font-family:var(--font-ui);font-size:.82em;color:var(--muted);margin:0 0 .7rem;display:flex;gap:.8rem;flex-wrap:wrap}
.popover .sn-body{display:none!important}
.popover .footnotes,.popover .transclusion{display:none}
.popover .prose h2{font-size:1.15em;margin-top:1em}

/* ===== overlays / dialogs ===== */
.overlay{position:fixed;inset:0;z-index:60;background:color-mix(in srgb,var(--ink) 32%,transparent);display:flex;align-items:flex-start;justify-content:center;padding:calc(env(safe-area-inset-top,0px) + 9vh) .75rem 1rem}
.dialog{background:var(--paper);color:var(--ink);border:1px solid var(--rule);border-radius:10px;box-shadow:var(--shadow);width:min(40rem,100%);max-height:82vh;display:flex;flex-direction:column;font-family:var(--font-ui);font-size:var(--fs-ui);line-height:1.5;overflow:hidden}
.dialog-head{display:none}
/* search */
.search-dialog{width:min(38rem,100%)}
.search-input{border:0;border-bottom:1px solid var(--rule);background:transparent;padding:1.05rem 1.25rem;font-size:1.1em;width:100%;color:var(--ink);font-family:var(--font-ui)}
.search-input:focus{outline:none}
.results{list-style:none;margin:0;padding:.4rem;overflow:auto}
.results li{border-radius:6px;padding:.6rem .85rem;cursor:pointer}
.results li[aria-selected="true"]{background:var(--accent-soft)}
.results .r-title{font-weight:600;color:var(--ink);display:flex;gap:.5rem;align-items:center}
.results .r-snip{font-size:.86em;color:var(--muted);margin:.15rem 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.results mark{background:var(--mark);color:var(--ink);border-radius:2px}
.results .r-empty{color:var(--muted);cursor:default;padding:1rem .85rem}
.results-label{margin:.6rem 1.25rem 0;font-size:.8em;color:var(--muted)}

/* ===== home (shared bits) ===== */
.home{margin:0 auto;padding:clamp(2rem,7vw,4.5rem) clamp(1rem,4vw,2rem) 5rem}
.home-title{font-family:var(--font-head);margin:0;line-height:1.05}
.home-sub{margin:.5rem 0 0;color:var(--ink-2)}
.home-author{margin:.35rem 0 0;color:var(--muted);font-family:var(--font-ui);font-size:.9em}
.home-intro{margin-top:1.6rem}
.home-empty{margin-top:2.5rem;padding:1.5rem;border:1px dashed var(--rule);border-radius:8px;font-family:var(--font-ui);color:var(--muted)}
.home-empty p{margin:0 0 .8rem}

/* ======/* FORESTER — after Jon Sterling's Forester / preprints   */
/* ====================================================== */
:root[data-design="forester"] .topbar{background:var(--bg)}
:root[data-design="forester"] .brand-title{font-weight:700}
:root[data-design="forester"] .prose a,:root[data-design="forester"] .note-foot a{text-decoration-color:color-mix(in srgb,var(--accent) 30%,transparent)}
:root[data-design="forester"] .prose p{hyphens:auto;-webkit-hyphens:auto}
:root[data-design="forester"] .note-head{text-align:center;margin-bottom:2.4rem}
:root[data-design="forester"] .note-kicker{justify-content:center;font-family:var(--font-body);font-size:.95em;color:var(--ink-2);display:flex}
:root[data-design="forester"] .note-kicker .note-taxon{font-variant-caps:small-caps;letter-spacing:.03em}
:root[data-design="forester"] .note-addr{display:inline;color:var(--muted)}
:root[data-design="forester"] .note-addr::before{content:"["}
:root[data-design="forester"] .note-addr::after{content:"]"}
:root[data-design="forester"] .note-title{font-weight:700;font-size:clamp(1.7rem,4vw,2.1rem);line-height:1.2;letter-spacing:0}
:root[data-design="forester"] .note-meta{justify-content:center;font-family:var(--font-body);font-size:.9em;font-style:italic}
:root[data-design="forester"] .note-meta dt{display:none}
:root[data-design="forester"] .note-meta .m-stage .stage span,:root[data-design="forester"] .note-meta dd{color:var(--ink-2)}
:root[data-design="forester"] .note-summary{text-align:left;max-width:31rem;margin:1.6rem auto 0;font-size:.93em;color:var(--ink)}
:root[data-design="forester"] .note-summary::before{content:"Abstract.\2002";font-weight:700}
:root[data-design="forester"] .toc{display:block;max-width:31rem;margin:0 auto 2.2rem;font-size:.92em}
:root[data-design="forester"] .toc-title{font-family:var(--font-body);font-weight:700;font-size:1em;color:var(--ink)}
:root[data-design="forester"] .toc ol{counter-reset:t}
:root[data-design="forester"] .toc li.lvl-2{counter-increment:t}
:root[data-design="forester"] .toc li.lvl-2>a::before{content:counter(t) "\2002";color:var(--ink-2)}
:root[data-design="forester"] .toc a{color:var(--accent)}
:root[data-design="forester"] .note-body h2{counter-increment:sec;counter-reset:subsec;font-size:1.25em;font-weight:700}
:root[data-design="forester"] .note-body h2::before{content:counter(sec) "\2003"}
:root[data-design="forester"] .note-body h3{counter-increment:subsec;font-size:1.05em;font-weight:700}
:root[data-design="forester"] .note-body h3::before{content:counter(sec) "." counter(subsec) "\2003"}
:root[data-design="forester"] .callout.is-formal{background:none;padding:0;border-radius:0}
:root[data-design="forester"] .callout:not(.is-formal){background:none;border-left:0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);border-radius:0;padding:.7em 0}
:root[data-design="forester"] .callout-title{font-family:var(--font-body);font-variant-caps:small-caps;color:var(--ink);font-size:1em}
:root[data-design="forester"] .note-foot{font-family:var(--font-body);font-size:.95em}
:root[data-design="forester"] .note-foot h2{font-family:var(--font-body);font-weight:700;color:var(--ink);font-size:1.05em}
:root[data-design="forester"] .backlinks{border-top:0;padding-top:0}
:root[data-design="forester"] .bl-addr{color:var(--muted);font-variant-numeric:tabular-nums lining-nums;margin-right:.4em}
:root[data-design="forester"] .bl-title{font-weight:400}
:root[data-design="forester"] .bl-ctx{font-size:.9em}
:root[data-design="forester"] .footnotes{font-size:.9em}
.bl-addr{display:none}
:root[data-design="forester"] .bl-addr{display:inline}
.home-forester{max-width:42rem}
.fr-head{text-align:center}
.home-forester .home-title{font-weight:700;font-size:clamp(1.9rem,5vw,2.5rem);line-height:1.15}
.home-forester .home-sub{font-style:italic;font-size:1.05em}
.fr-date{margin:.4rem 0 0;color:var(--muted);font-size:.9em}
.fr-abstract{max-width:34rem;margin:2.2rem auto 0;font-size:.95em}
.fr-abstract>p:first-child::before{content:"Abstract.\2002";font-weight:700}
.fr-index-title{font-size:1.2em;font-weight:700;margin:3rem 0 .8rem}
.fr-index{list-style:none;margin:0;padding:0}
.fr-index li{display:grid;grid-template-columns:4.2rem minmax(0,1fr);gap:.2rem .6rem;padding:.45rem 0;line-height:1.4}
.fr-index .fr-addr{color:var(--muted);font-variant-numeric:tabular-nums lining-nums}
.fr-index .fr-taxon{font-weight:700;color:var(--ink)}
.fr-index a{text-decoration-color:color-mix(in srgb,var(--accent) 30%,transparent)}
.fr-index .fr-sum{grid-column:2;color:var(--muted);font-size:.9em}
.fr-index .stage-icon{width:.9em;height:.9em;transform:translateY(.1em);margin-left:.35em}

:root[data-design="forester"] .note{display:flex;flex-direction:column}
:root[data-design="forester"] .note-main{display:contents}
:root[data-design="forester"] .note-head{order:0}
:root[data-design="forester"] .toc{order:1}
:root[data-design="forester"] .note-body{order:2}
:root[data-design="forester"] .note-foot{order:3}
/* sections */
.nav a[data-nav]{cursor:pointer}
.addr-inline{font-variant-numeric:tabular-nums lining-nums;color:var(--ink-2)}
.sec-toc{display:grid;max-width:26rem;margin:2.6rem auto 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.sec-toc a{display:grid;grid-template-columns:2rem 1fr auto;padding:.42rem .2rem;color:var(--ink);text-decoration:none;border-top:1px solid var(--rule)}
.sec-toc a:first-child{border-top:0}
.sec-toc a:hover .st-name{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.18em}
.st-n{font-weight:700}
.st-c{color:var(--muted);font-variant-numeric:tabular-nums lining-nums}
.fr-sec{margin-top:3.2rem}
.fr-sec-title{font-size:1.3em;font-weight:700;margin:0;display:flex;gap:.9rem;align-items:baseline}
.sec-n{min-width:1.1rem}
.fr-sec-desc{margin:.25rem 0 1rem 2rem;color:var(--muted);font-style:italic;font-size:.95em}
.fr-list{list-style:none;margin:0 0 0 2rem;padding:0}
.fr-list li{display:grid;grid-template-columns:5rem minmax(0,1fr) auto;gap:.8rem;padding:.5rem 0;border-top:1px solid var(--rule);line-height:1.35}
.fr-list li:last-child{border-bottom:1px solid var(--rule)}
.fr-list .fr-addr{color:var(--muted);font-variant-numeric:tabular-nums lining-nums;padding-top:.05em}
.fr-list a{text-decoration-color:color-mix(in srgb,var(--accent) 30%,transparent)}
.fr-src{display:block;color:var(--ink-2);font-style:italic;font-size:.9em;margin-top:.1rem}
.fr-sum{display:block;color:var(--muted);font-size:.9em;margin-top:.2rem}
.fr-list time{color:var(--muted);font-size:.9em;font-variant-numeric:lining-nums}
.fr-more{display:inline-block;margin:.7rem 0 0 2rem;font-size:.92em;text-decoration-color:color-mix(in srgb,var(--accent) 30%,transparent)}
.page-section{max-width:44rem}
.page-section .fr-head{text-align:center;margin-bottom:2rem}
.page-section .note-kicker{justify-content:center;display:flex;font-family:var(--font-body)}
.page-section .note-taxon{font-variant-caps:small-caps;letter-spacing:.03em;color:var(--ink-2)}
.page-section h1{font-weight:700}
.page-section .home-sub{font-style:italic}
.sec-tools{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;padding:.5rem 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);font-size:.9em;color:var(--muted)}
.sort button{background:none;border:0;padding:0 .2rem;cursor:pointer;color:var(--accent);font:inherit}
.sort button[aria-pressed="true"]{color:var(--ink);font-weight:700}
.yr{font-size:1.05em;font-weight:700;margin:2rem 0 .5rem}
.fr-list-full{margin-left:0}
.cite{margin:1rem auto 0;max-width:32rem;font-size:.95em;color:var(--ink-2);line-height:1.45}
.note-tags{margin:.5rem 0 0;font-size:.88em}
.note-tags .tag{font-style:italic}
.series{margin:1rem 0 0;font-size:.88em;color:var(--muted);word-spacing:.05em}
.series a{margin-right:1.2rem}
.series a.is-broken{color:var(--link-broken);text-decoration-style:dotted}
:root[data-design="forester"] .note-kicker a.note-taxon{color:var(--ink-2);text-decoration:none}
:root[data-design="forester"] .note-kicker a.note-taxon:hover{color:var(--accent)}
:root[data-design="forester"] .note-meta{margin-top:.6rem}
@media (max-width:560px){.fr-list,.fr-sec-desc,.fr-more{margin-left:0}.fr-list li{grid-template-columns:4.2rem minmax(0,1fr)}.fr-list time{display:none}}

.sec-toc a.st-sub{grid-template-columns:2rem 2.4rem 1fr auto;border-top:0;padding-top:.1rem;font-size:.93em}
.sec-toc a.st-sub .st-n{grid-column:2;font-weight:400;color:var(--ink-2)}
.sec-toc a.st-sub .st-name{grid-column:3}
.subsec{margin:0 0 1.1rem}
.fr-sub{font-size:1.02em;font-weight:700;margin:1rem 0 .4rem 2rem;display:flex;gap:.7rem;align-items:baseline}
.fr-sub .sec-n,.yr .sec-n{font-weight:400;color:var(--ink-2);min-width:1.8rem}
.yr{display:flex;gap:.7rem;align-items:baseline}
@media (max-width:560px){.fr-sub{margin-left:0}}

/* ===== site additions ===== */
.nav .theme-btn{color:var(--muted);font-size:.86em}
.fr-sec-title a,.fr-sub a{color:inherit;text-decoration:none}
.fr-sec-title a:hover,.fr-sub a:hover{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.18em}
.fr-author{margin:.35rem 0 0;color:var(--ink-2)}
.fr-empty{margin:0 0 0 2rem;color:var(--muted);font-style:italic;font-size:.93em}
.fr-empty-sub{margin-left:4.7rem}
.page-section .fr-empty{margin:1rem 0}
.medium-filter a,.sort a{color:var(--accent);text-decoration:none;padding:0 .15rem}
.medium-filter a:hover,.sort a:hover{text-decoration:underline}
.medium-filter a[aria-current],.sort a[aria-current]{color:var(--ink);font-weight:700}
.note-updated{margin:.6rem 0 0;color:var(--ink-2);font-style:italic;font-size:.9em}
.source-link{margin:.35rem 0 0;font-size:.9em}
.series a{margin:0 .6rem}
.bl-none{color:var(--muted);font-size:.92em}
.bl-none code{font-size:.85em;background:var(--code-bg);padding:.05em .3em;border-radius:3px}
.related{margin-top:1.8rem}
.related ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.related a{text-decoration-color:color-mix(in srgb,var(--accent) 30%,transparent)}
.rel-tags{color:var(--muted);font-style:italic;font-size:.9em;margin-left:.3rem}
.r-addr,.pop-addr{color:var(--muted);font-weight:400;font-variant-numeric:tabular-nums lining-nums;margin-right:.35rem}
.is-flash{background:var(--mark);transition:background 1s}
.note-kicker .note-taxon{font-variant-caps:small-caps;letter-spacing:.03em}
.tag-cloud{justify-content:center}
main:focus{outline:none}
code{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.topbar,.banner,.note-actions,.local-graph,.popover{display:none!important}}
:root[data-design="forester"] .note{display:flex;flex-direction:column}
:root[data-design="forester"] .note-main{display:contents}
:root[data-design="forester"] .note-head{order:0}
:root[data-design="forester"] .toc{order:1}
:root[data-design="forester"] .note-body{order:2}
:root[data-design="forester"] .note-foot{order:3}

/* ===== unnumbered sections + welcome ===== */
.sec-toc a{grid-template-columns:minmax(0,1fr) auto}
.sec-toc a.st-sub{grid-template-columns:minmax(0,1fr) auto;padding-left:1.4rem}
.sec-toc a.st-sub .st-name{grid-column:1;color:var(--ink-2)}
.fr-sec-desc,.fr-list,.fr-more,.fr-sub,.fr-empty{margin-left:0}
.fr-empty-sub{margin-left:0}
.fr-sec-title{gap:0}
.fr-welcome{max-width:31rem;margin:1.4rem auto 0;text-align:center;font-size:1.12em;line-height:1.55;color:var(--ink-2)}
.fr-welcome p{margin:0}

/* ===== phones and small tablets ===== */
.nav-links{display:contents}
.results .r-addr{white-space:nowrap}
.results .r-title{align-items:baseline}
@media (max-width:760px){
  html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 7rem)}
  /* top bar: title, Search and theme on the first row; section links scroll sideways on the second */
  .topbar{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:0 .25rem;padding:.2rem clamp(.75rem,4vw,1.25rem) 0}
  .brand{grid-column:1;grid-row:1;min-height:2.75rem;align-items:center}
  .brand-title{overflow:hidden;text-overflow:ellipsis}
  .nav{display:contents}
  .nav>button,.nav .edit-tools>button{grid-row:1;min-height:2.75rem;padding:.4rem .7rem}
  .nav .edit-tools{grid-column:1/-1;margin:0;padding:0;border:0}
  .nav-links{grid-column:1/-1;grid-row:2;display:flex;align-items:stretch;gap:.1rem;margin:0 calc(-1 * clamp(.75rem,4vw,1.25rem));padding:0 clamp(.5rem,3vw,1rem);overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch;font-size:.94em;
    -webkit-mask-image:linear-gradient(to right,transparent,#000 .75rem,#000 calc(100% - 1.75rem),transparent);mask-image:linear-gradient(to right,transparent,#000 .75rem,#000 calc(100% - 1.75rem),transparent)}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{display:flex;align-items:center;flex:0 0 auto;min-height:2.6rem;padding:.3rem .6rem}
  .nav-links a:last-child{margin-right:1rem}
  .nav a[aria-current="page"]{text-underline-offset:.4em}
  /* tables scroll inside their own box instead of pushing the page sideways */
  .prose table{width:max-content;min-width:100%;max-width:none}
  .prose th,.prose td{padding:.45em .6em}
  .prose pre{margin-left:calc(-1 * clamp(1rem,4vw,2rem));margin-right:calc(-1 * clamp(1rem,4vw,2rem));border-radius:0;border-left:0;border-right:0}
  /* search fills the screen width and sits nearer the top */
  .overlay{padding:calc(env(safe-area-inset-top,0px) + .75rem) .5rem calc(env(safe-area-inset-bottom,0px) + .5rem)}
  .dialog{max-height:calc(100dvh - 1.5rem - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px))}
  .search-input{padding:.9rem 1rem}
  .results li{padding:.7rem .75rem}
  .note-actions{flex-wrap:wrap}
  .note-actions>*{min-height:2.75rem}
}
@media (max-width:520px){
  :root[data-design="forester"]{--fs:1.08rem;--lh:1.55}
  .page{padding-top:1.5rem;padding-bottom:4rem}
  .prose ul,.prose ol{padding-left:1.15em}
  .prose blockquote{padding-left:.85em}
  .fr-list li{grid-template-columns:3.9rem minmax(0,1fr);gap:.6rem;padding:.65rem 0}
  .fr-welcome{font-size:1.04em}
}
@media (hover:none){
  .nav a:hover,.nav>button:hover,.nav .edit-tools>button:hover{background:none}
}

/* ===== heading numbers =====
   The stylesheet numbers h2/h3 itself. Notes that already number their own headings (.own-num)
   and the "Related" heading (.h-plain) are left alone so numbers never appear twice. */
:root[data-design="forester"] .own-num .note-body h2::before,:root[data-design="forester"] .own-num .note-body h3::before,:root[data-design="forester"] .note-body h2.h-plain::before{content:none}
:root[data-design="forester"] .note-body h2.h-plain{counter-increment:none}
:root[data-design="forester"] .own-num .toc li.lvl-2>a::before,:root[data-design="forester"] .toc li.plain>a::before{content:none}
:root[data-design="forester"] .toc li.plain{counter-increment:none}

/* ===== browsing a section: filter box, topic list, grouped lists ===== */
.browse{border-top:1px solid var(--ink);padding:.8rem 0 .45rem}
.browse+.sec-tools{border-top-color:var(--rule)}
.sec-filter{display:block;width:100%;box-sizing:border-box;margin:0 0 .6rem;padding:.5rem .75rem;font-family:var(--font-ui);font-size:.95em;color:var(--ink);background:var(--paper);border:1px solid var(--rule);border-radius:6px}
.sec-filter::placeholder{color:var(--muted);font-style:italic}
.sec-filter:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.topics{font-size:.9em}
.topics>summary{cursor:pointer;width:max-content;padding:.1rem 0 .35rem;font-variant-caps:small-caps;letter-spacing:.04em;color:var(--ink-2)}
.topics>summary:hover{color:var(--accent)}
.topics>summary::marker{color:var(--muted)}
.topics:not([open])>summary{padding-bottom:.1rem}
.topic-row{display:grid;grid-template-columns:10.5rem minmax(0,1fr);gap:.1rem 1rem;padding:.38rem 0;border-top:1px solid var(--rule)}
.topic-shelf{font-variant-caps:small-caps;letter-spacing:.03em;color:var(--ink-2)}
.topic-links{display:flex;flex-wrap:wrap;gap:.1rem 1.05rem}
.topic-links a{color:var(--accent);text-decoration:none;white-space:nowrap}
.topic-links a:hover{text-decoration:underline}
.topic-links a[aria-current]{color:var(--ink);font-weight:700}
.topic-links .count,.topic-head .count{margin-left:.35em}
.topic-links .count,.topic-head .count,.yr .count{color:var(--muted);font-size:.85em;font-weight:400;font-variant-numeric:tabular-nums lining-nums}
.sec-count strong{color:var(--ink)}
.sec-count a{color:var(--accent);text-decoration:none}
.sec-count a:hover{text-decoration:underline}
.shelf-head{font-size:1.2em;font-weight:700;margin:2.6rem 0 0;padding-bottom:.35rem;border-bottom:1px solid var(--ink)}
.topic-head{font-size:1em;font-weight:700;margin:1.5rem 0 .45rem}
.topic-more{margin:.45rem 0 0;font-size:.88em}
.topic-more a{text-decoration-color:color-mix(in srgb,var(--accent) 30%,transparent)}
.fr-list.is-filtered{border-bottom:1px solid var(--rule)}
.fr-list.is-filtered li:last-child{border-bottom:0}
.page-tags .tag-shelf{margin-top:2.2rem}
.page-tags .shelf-head{margin:0 0 .8rem;padding:0;border:0;text-align:center;font-size:.98em;font-weight:600;font-variant-caps:small-caps;letter-spacing:.04em;color:var(--ink-2)}
@media (max-width:560px){.topic-row{grid-template-columns:minmax(0,1fr)}.topic-links{gap:.15rem .9rem}}