diff --git a/assets/css/custom.css b/assets/css/custom.css
index 9fb5e07..2ba4a9e 100644
--- a/assets/css/custom.css
+++ b/assets/css/custom.css
@@ -719,36 +719,15 @@ a.byline-author:hover, a.journal-author:hover { color: var(--accent); }
 .dialog-hint { font-size: var(--font-size-small); color: var(--color-text-muted); align-self: center; opacity: 0.7; }
 .dialog-spacer { flex: 1; }
 
-/* ── Library/Wiki-Bereich: zentrierter Section-Header (wie Archiv) darüber,
-   zweispaltige Fläche (Seitenleiste + Inhalt) darunter. ── */
-.wiki { display: grid; grid-template-columns: 200px 1fr; gap: 2.6em; align-items: start; }
-@media (max-width: 760px) { .wiki { grid-template-columns: 1fr; gap: 1.4em; } .wiki-side { position: static; } }
-.wiki-side { position: sticky; top: 1em; align-self: start; }
-.wiki-nav { display: flex; flex-direction: column; gap: 0.35em; font-size: var(--font-size-small); }
-.wiki-nav-home { text-decoration: none; color: var(--color-text-primary); font-weight: 600; }
-.wiki-nav-home:hover { color: var(--accent); }
-.wiki-nav-home.is-current { color: var(--accent); }
-.wiki-filter { width: 100%; padding: 0.4em 0.7em; margin: 0.3em 0 0.4em; font: inherit; font-size: var(--font-size-small);
-  border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-bg-primary); }
-.wiki-filter:focus { outline: none; border-color: var(--accent); }
-.wiki-nav-title { text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.7rem; color: var(--color-text-muted); margin: 0.8em 0 0.25em; }
-.wiki-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.1em; }
-.wiki-nav li a { display: block; text-decoration: none; color: var(--color-text-muted);
-  padding: 0.18em 0 0.18em 0.7em; border-left: 2px solid transparent; }
-.wiki-nav li a:hover { color: var(--accent); }
-.wiki-nav li a.is-current { color: var(--color-text-primary); font-weight: 600; border-left-color: var(--accent); }
-
-.wiki-page { min-width: 0; }
-.wiki-index { margin-top: var(--spacing-md); }
-.wiki-group { margin-bottom: var(--spacing-md); }
-.wiki-group h2 { font-family: var(--font-family-serif); font-size: 1.1rem; margin: 0 0 0.4em; }
-.wiki-group ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.4em; }
-.wiki-group li a { font-weight: 600; text-decoration: none; }
-.wiki-group li a:hover { color: var(--accent); }
-.wiki-foot { margin-top: var(--spacing-lg); padding-top: var(--spacing-sm); border-top: 1px solid var(--color-border);
-  display: flex; gap: 1.2em; flex-wrap: wrap; font-size: var(--font-size-small); color: var(--color-text-muted); }
-.wiki-foot a { color: var(--color-text-muted); text-decoration: none; }
-.wiki-foot a:hover { color: var(--accent); }
+/* ── Library: gleiches Gerüst wie Archiv (Übersicht = .atlas, Eintrag = .single).
+   Eintrags-Fuss: Gruppe + weitere Einträge + bearbeiten-Link. ── */
+.entry-foot { margin-top: var(--spacing-lg); padding-top: var(--spacing-sm); border-top: 1px solid var(--color-border);
+  display: flex; gap: 0.6em 1.2em; flex-wrap: wrap; align-items: baseline; font-size: var(--font-size-small); color: var(--color-text-muted); }
+.entry-foot .entry-more { flex: 1; min-width: 14em; }
+.entry-foot .entry-more a { color: var(--accent); text-decoration: none; }
+.entry-foot .entry-more a:hover { text-decoration: underline; text-underline-offset: 0.2em; }
+.entry-foot a { color: var(--color-text-muted); text-decoration: none; }
+.entry-foot a:hover { color: var(--accent); }
 
 /* ── Software-Landing: Werkzeuge getrennt von Texten ── */
 .software-h { font-family: var(--font-family-serif); margin: var(--spacing-md) 0 var(--spacing-sm); }
@@ -1124,10 +1103,10 @@ a.byline-author:hover, a.journal-author:hover { color: var(--accent); }
 }
 .section-title {
   font-family: var(--font-family-serif);
-  font-size: clamp(1.9rem, 4vw, 2.6rem);
-  font-weight: 800;
-  letter-spacing: -0.026em;
-  line-height: 1.05;
+  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
+  font-weight: 700;
+  letter-spacing: -0.012em;
+  line-height: 1.1;
   margin: 0 0 0.4rem;
 }
 .section-description {
@@ -1243,17 +1222,17 @@ a.byline-author:hover, a.journal-author:hover { color: var(--accent); }
 }
 .single-header h1 {
   font-family: var(--font-family-serif);
-  font-size: clamp(2.1rem, 4.6vw, 3rem);
-  font-weight: 800;
-  letter-spacing: -0.028em;
-  line-height: 1.05;
+  font-size: clamp(1.7rem, 3vw, 2.2rem);
+  font-weight: 700;
+  letter-spacing: -0.015em;
+  line-height: 1.12;
   margin: 0 0 var(--spacing-sm);
 }
 .single-summary {
   font-family: var(--font-family-serif);
   font-style: normal;
-  font-size: 1.4rem;
-  line-height: 1.4;
+  font-size: 1.2rem;
+  line-height: 1.45;
   color: var(--color-text-primary);
   margin: 0 0 var(--spacing-md);   /* breathing room before byline */
   max-width: 55ch;
diff --git a/layouts/_partials/library-nav.html b/layouts/_partials/library-nav.html
deleted file mode 100644
index d9c4d28..0000000
--- a/layouts/_partials/library-nav.html
+++ /dev/null
@@ -1,41 +0,0 @@
-{{- /* Library-Seitenleiste: alle Library-Seiten nach `group` gruppiert, mit Filter.
-       Seiten ohne `group` landen unter „Allgemein“. */ -}}
-{{- $cur := .RelPermalink -}}
-{{- $pages := where site.RegularPages "Section" "library" -}}
-{{- $groups := dict -}}
-{{- range $pages -}}
-  {{- $g := .Params.group | default "Allgemein" -}}
-  {{- $existing := index $groups $g | default slice -}}
-  {{- $groups = merge $groups (dict $g ($existing | append .)) -}}
-{{- end -}}
-<nav class="wiki-nav" aria-label="Wiki-Navigation">
-  <a class="wiki-nav-home{{ if .IsSection }} is-current{{ end }}" href="/wiki/">Übersicht</a>
-  <input class="wiki-filter" type="search" placeholder="filtern…" aria-label="Wiki filtern" autocomplete="off" />
-  {{- range $g, $ps := $groups }}
-  <div class="wiki-nav-group">
-    <div class="wiki-nav-title">{{ $g }}</div>
-    <ul>
-      {{- range sort $ps "Title" }}
-      <li><a href="{{ .RelPermalink }}"{{ if eq .RelPermalink $cur }} class="is-current" aria-current="page"{{ end }}>{{ .LinkTitle }}</a></li>
-      {{- end }}
-    </ul>
-  </div>
-  {{- end }}
-</nav>
-<script>
-  (function () {
-    if (window.__wikiFilter) return; window.__wikiFilter = 1;
-    var inp = document.querySelector('.wiki-filter'); if (!inp) return;
-    inp.addEventListener('input', function () {
-      var q = inp.value.trim().toLowerCase();
-      document.querySelectorAll('.wiki-nav-group').forEach(function (g) {
-        var any = false;
-        g.querySelectorAll('li').forEach(function (li) {
-          var hit = li.textContent.toLowerCase().indexOf(q) > -1;
-          li.style.display = hit ? '' : 'none'; if (hit) any = true;
-        });
-        g.style.display = any ? '' : 'none';
-      });
-    });
-  })();
-</script>
diff --git a/layouts/library/list.html b/layouts/library/list.html
index 8496839..8c86768 100644
--- a/layouts/library/list.html
+++ b/layouts/library/list.html
@@ -1,41 +1,31 @@
 {{ define "main" }}
-  <header class="section-header">
-    <h1 class="section-title">{{ .Title }}</h1>
-  </header>
+  {{ .Content }}
 
-  <div class="wiki">
-    <aside class="wiki-side">{{ partial "library-nav.html" . }}</aside>
+  {{ $pages := where site.RegularPages "Section" "library" }}
+  {{ $groups := dict }}
+  {{ range $pages }}
+    {{ $g := .Params.group | default "Allgemein" }}
+    {{ $existing := index $groups $g | default slice }}
+    {{ $groups = merge $groups (dict $g ($existing | append .)) }}
+  {{ end }}
 
-    <div class="wiki-page">
-      <div class="single-content">{{ .Content }}</div>
-
-      {{ $pages := where site.RegularPages "Section" "library" }}
-      {{ $groups := dict }}
-      {{ range $pages }}
-        {{ $g := .Params.group | default "Allgemein" }}
-        {{ $existing := index $groups $g | default slice }}
-        {{ $groups = merge $groups (dict $g ($existing | append .)) }}
+  {{ if $pages }}
+    <section class="atlas">
+      {{ range $g, $ps := $groups }}
+        <article class="atlas-section">
+          <h2>{{ $g }}</h2>
+          <ul class="atlas-list">
+            {{ range sort $ps "Title" }}
+              <li>
+                <a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a>
+                {{ with .Params.summary }}<span class="list-meta text-muted"> — {{ . }}</span>{{ end }}
+              </li>
+            {{ end }}
+          </ul>
+        </article>
       {{ end }}
-
-      {{ if $pages }}
-        <div class="wiki-index">
-          {{ range $g, $ps := $groups }}
-            <section class="wiki-group">
-              <h2>{{ $g }}</h2>
-              <ul>
-                {{ range sort $ps "Title" }}
-                  <li>
-                    <a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a>
-                    {{ with .Params.summary }}<span class="text-muted"> — {{ . }}</span>{{ end }}
-                  </li>
-                {{ end }}
-              </ul>
-            </section>
-          {{ end }}
-        </div>
-      {{ else }}
-        <p class="text-muted"><em>Noch keine Einträge — der erste entsteht im Redaktions-Editor.</em></p>
-      {{ end }}
-    </div>
-  </div>
+    </section>
+  {{ else }}
+    <p class="text-muted"><em>Noch keine Einträge — der erste entsteht im Redaktions-Editor.</em></p>
+  {{ end }}
 {{ end }}
diff --git a/layouts/library/single.html b/layouts/library/single.html
index 388bcd7..c4b3d52 100644
--- a/layouts/library/single.html
+++ b/layouts/library/single.html
@@ -1,33 +1,35 @@
 {{ define "main" }}
-  <header class="section-header">
-    <p class="section-rubric">{{ with .Params.group }}{{ . }}{{ else }}Library{{ end }}</p>
-    <h1 class="section-title">{{ .Title }}</h1>
-    {{ with .Params.summary }}<p class="section-description">{{ . }}</p>{{ end }}
-  </header>
+  <article class="single">
+    <header class="single-header">
+      <h1>{{ .Title }}</h1>
+      {{ with .Params.summary }}<p class="single-summary">{{ . }}</p>{{ end }}
+    </header>
 
-  <div class="wiki">
-    <aside class="wiki-side">{{ partial "library-nav.html" . }}</aside>
+    {{ $hasToC := .Params.toc | default false }}
+    {{ $headers := findRE "<h[2-6]" .Content }}
+    {{ if and $hasToC (ge (len $headers) 2) }}
+      <nav class="toc">
+        <strong>Inhalt</strong>
+        <div class="toc-content">{{ .TableOfContents }}</div>
+      </nav>
+    {{ end }}
 
-    <div class="wiki-page">
-      {{ $hasToC := .Params.toc | default false }}
-      {{ $headers := findRE "<h[2-6]" .Content }}
-      {{ if and $hasToC (ge (len $headers) 2) }}
-        <nav class="toc">
-          <strong>Inhalt</strong>
-          <div class="toc-content">{{ .TableOfContents }}</div>
-        </nav>
-      {{ end }}
-
-      <div class="single-content wiki-content">
-        {{ .Content }}
-      </div>
-
-      <div class="wiki-foot">
-        {{ if .Lastmod }}<span>Zuletzt bearbeitet am {{ .Lastmod.Format "02.01.2006" }}</span>{{ end }}
-        {{ with .File }}
-          <a href="{{ site.Params.repoURL }}/_edit/branch/main/content/{{ .Path }}" rel="nofollow">bearbeiten ↗</a>
-        {{ end }}
-      </div>
+    <div class="single-content">
+      {{ .Content }}
     </div>
-  </div>
+
+    {{/* Fuss: Gruppe + weitere Einträge derselben Gruppe + bearbeiten. */}}
+    {{ $g := .Params.group | default "Allgemein" }}
+    {{ $siblings := where (where site.RegularPages "Section" "library") "Params.group" (.Params.group) }}
+    <div class="entry-foot">
+      <span class="entry-more">
+        <strong>{{ $g }}</strong>
+        {{ $others := slice }}
+        {{ range $siblings }}{{ if ne .RelPermalink $.RelPermalink }}{{ $others = $others | append . }}{{ end }}{{ end }}
+        {{ with $others }} · {{ range $i, $p := . }}{{ if $i }} · {{ end }}<a href="{{ $p.RelPermalink }}">{{ $p.LinkTitle }}</a>{{ end }}{{ end }}
+      </span>
+      {{ if .Lastmod }}<span>Zuletzt bearbeitet am {{ .Lastmod.Format "02.01.2006" }}</span>{{ end }}
+      {{ with .File }}<a href="{{ site.Params.repoURL }}/_edit/branch/main/content/{{ .Path }}" rel="nofollow">bearbeiten ↗</a>{{ end }}
+    </div>
+  </article>
 {{ end }}