diff --git a/modules/mining-checker/assets/css/app.css b/modules/mining-checker/assets/css/app.css
index c5759ad9..32c363e8 100644
--- a/modules/mining-checker/assets/css/app.css
+++ b/modules/mining-checker/assets/css/app.css
@@ -36,6 +36,87 @@
   padding: 0;
 }
 
+#mining-checker-app .mc-app-shell {
+  display: grid;
+  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
+  gap: 18px;
+  align-items: start;
+}
+
+#mining-checker-app .mc-sidebar,
+#mining-checker-app .mc-hero-panel {
+  border: 1px solid var(--mc-line);
+  border-radius: 18px;
+  background: var(--mc-surface);
+  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
+}
+
+#mining-checker-app .mc-sidebar {
+  padding: 20px;
+  display: grid;
+  gap: 18px;
+  position: sticky;
+  top: 0;
+}
+
+#mining-checker-app .mc-sidebar-brand,
+#mining-checker-app .mc-nav-list,
+#mining-checker-app .mc-main {
+  display: grid;
+  gap: 14px;
+}
+
+#mining-checker-app .mc-sidebar-title {
+  font-size: 1.35rem;
+}
+
+#mining-checker-app .mc-nav-button {
+  display: grid;
+  gap: 6px;
+  width: 100%;
+  padding: 14px 16px;
+  text-align: left;
+  border-radius: 16px;
+  border: 1px solid var(--mc-line);
+  background: #fff;
+  color: var(--mc-text);
+  cursor: pointer;
+  transition: 160ms ease;
+}
+
+#mining-checker-app .mc-nav-button:hover {
+  border-color: var(--mc-line-strong);
+  transform: translateY(-1px);
+}
+
+#mining-checker-app .mc-nav-button.is-active {
+  border-color: var(--mc-accent);
+  background: #eff6ff;
+  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
+}
+
+#mining-checker-app .mc-nav-button strong {
+  color: var(--mc-text);
+}
+
+#mining-checker-app .mc-nav-meta {
+  font-size: 0.85rem;
+  line-height: 1.45;
+  color: var(--mc-text-muted);
+}
+
+#mining-checker-app .mc-hero-panel {
+  padding: 20px 22px;
+  display: flex;
+  justify-content: space-between;
+  gap: 16px;
+  align-items: flex-start;
+}
+
+#mining-checker-app .mc-inline-row--wrap {
+  flex-wrap: wrap;
+}
+
 #mining-checker-app .mc-stack {
   display: grid;
   gap: 16px;
@@ -260,6 +341,20 @@
   font-weight: 700;
 }
 
+@media (max-width: 980px) {
+  #mining-checker-app .mc-app-shell {
+    grid-template-columns: minmax(0, 1fr);
+  }
+
+  #mining-checker-app .mc-sidebar {
+    position: static;
+  }
+
+  #mining-checker-app .mc-hero-panel {
+    flex-direction: column;
+  }
+}
+
 #mining-checker-app .mc-button--secondary {
   background: #ffffff;
   border-color: #cbd5e1;
diff --git a/modules/mining-checker/assets/js/app.js b/modules/mining-checker/assets/js/app.js
index e81d2881..d980f899 100644
--- a/modules/mining-checker/assets/js/app.js
+++ b/modules/mining-checker/assets/js/app.js
@@ -48,6 +48,34 @@
     })();
     const initialDebugMode = normalizedOptions.moduleDebugEnabled === true
       || (document.body && document.body.dataset.moduleDebugEnabled === '1');
+    const fallbackSections = [
+      ['overview', 'Übersicht'],
+      ['upload', 'Upload'],
+      ['measurements', 'Mining-History'],
+      ['wallet', 'Wallet'],
+      ['mining', 'Miner-Daten'],
+      ['dashboards', 'Dashboards'],
+      ['settings', 'Settings'],
+    ];
+    const sectionEntries = (() => {
+      const ordered = [];
+      const seen = new Set();
+      const register = (key, label) => {
+        const normalizedKey = String(key || '').trim();
+        const normalizedLabel = String(label || '').trim();
+        if (!normalizedKey || !normalizedLabel || seen.has(normalizedKey)) {
+          return;
+        }
+        seen.add(normalizedKey);
+        ordered.push([normalizedKey, normalizedLabel]);
+      };
+
+      configuredSections.forEach((entry) => register(entry[0], entry[1]));
+      fallbackSections.forEach((entry) => register(entry[0], entry[1]));
+
+      return ordered;
+    })();
+    const sectionMap = new Map(sectionEntries);
   function getCookie(name) {
     const pattern = `; ${document.cookie}`;
     const parts = pattern.split(`; ${name}=`);
@@ -262,6 +290,36 @@
     return `${map.year}-${map.month}-${map.day}`;
   }
 
+  function currentSectionLabel(sectionId) {
+    return sectionMap.get(String(sectionId || '').trim()) || 'Bereich';
+  }
+
+  function currentSectionSummary(sectionId) {
+    if (sectionId === 'overview') {
+      return 'Kernkennzahlen, ROI, Break-even und Zielmonitor.';
+    }
+    if (sectionId === 'upload') {
+      return 'Neue Mining-Daten per OCR, Import oder manueller Eingabe erfassen.';
+    }
+    if (sectionId === 'measurements') {
+      return 'Historie der letzten Uploads mit Performance- und Trendwerten.';
+    }
+    if (sectionId === 'wallet') {
+      return 'Wallet-Snapshots und erkannte Asset-Bestände auswerten.';
+    }
+    if (sectionId === 'mining') {
+      return 'Miner, Angebote, Auszahlungen und operative Daten verwalten.';
+    }
+    if (sectionId === 'dashboards') {
+      return 'Gespeicherte Auswertungen und Visualisierungen anzeigen.';
+    }
+    if (sectionId === 'settings') {
+      return 'Schema, Modulrechte, DB-Checks und Basis-Settings steuern.';
+    }
+
+    return 'Bereich des Mining-Checkers';
+  }
+
   function fmtDate(value) {
     if (!value) {
       return 'n/a';
@@ -2233,11 +2291,55 @@
     return h('div', {
       className: 'mc-grid-bg',
     }, [
-      h('div', { key: 'shell', className: 'mc-shell mc-stack' }, [
-        error ? h('div', { key: 'error', className: 'mc-alert mc-alert--error' }, error) : null,
-        message ? h('div', { key: 'message', className: 'mc-alert mc-alert--success' }, message) : null,
-        loading ? h('div', { key: 'loading', className: 'mc-alert mc-alert--warning' }, 'Mining-Checker Daten werden aktualisiert …') : null,
-        renderTab(),
+      h('div', { key: 'shell', className: 'mc-shell' }, [
+        h('div', { key: 'frame', className: 'mc-app-shell' }, [
+          h('aside', { key: 'sidebar', className: 'mc-sidebar' }, [
+            h('div', { key: 'brand', className: 'mc-sidebar-brand' }, [
+              h('div', { key: 'kicker', className: 'mc-kicker' }, 'Modul'),
+              h('h1', { key: 'title', className: 'mc-sidebar-title' }, 'Mining-Checker'),
+              h('p', { key: 'copy', className: 'mc-text' }, 'Erfassung, OCR-Auswertung und Analyse von Mining-Messwerten in einer gemeinsamen Modulansicht.'),
+            ]),
+            h('div', { key: 'nav', className: 'mc-nav-list' },
+              sectionEntries.map(([key, label]) => h('button', {
+                key,
+                type: 'button',
+                className: cx('mc-nav-button', activeTab === key && 'is-active'),
+                onClick: () => {
+                  if (key === activeTab) {
+                    return;
+                  }
+                  window.history.pushState({ miningCheckerView: key }, '', `/module/mining-checker?view=${encodeURIComponent(key)}`);
+                  setActiveTab(key);
+                },
+              }, [
+                h('strong', { key: 'label' }, label),
+                h('span', { key: 'meta', className: 'mc-nav-meta' }, currentSectionSummary(key)),
+              ]))
+            ),
+          ]),
+          h('main', { key: 'main', className: 'mc-main' }, [
+            h('section', { key: 'hero', className: 'mc-hero-panel' }, [
+              h('div', { key: 'hero-copy', className: 'mc-hero-copy' }, [
+                h('div', { key: 'hero-kicker', className: 'mc-kicker' }, 'Mining-Checker'),
+                h('h2', { key: 'hero-title', className: 'mc-section-title' }, currentSectionLabel(activeTab)),
+                h('p', { key: 'hero-text', className: 'mc-text' }, currentSectionSummary(activeTab)),
+              ]),
+              h('div', { key: 'hero-badges', className: 'mc-inline-row mc-inline-row--wrap' }, [
+                h(Badge, { key: 'project', tone: 'info' }, `Projekt ${projectKey}`),
+                h(Badge, { key: 'report-currency', tone: 'info' }, `Report ${reportCurrency}`),
+                latest && latest.measured_at
+                  ? h(Badge, { key: 'latest', tone: 'success' }, `Letzter Upload ${fmtDate(latest.measured_at)}`)
+                  : h(Badge, { key: 'latest-empty', tone: 'warn' }, 'Noch kein Upload'),
+              ]),
+            ]),
+            h('div', { key: 'content', className: 'mc-stack' }, [
+              error ? h('div', { key: 'error', className: 'mc-alert mc-alert--error' }, error) : null,
+              message ? h('div', { key: 'message', className: 'mc-alert mc-alert--success' }, message) : null,
+              loading ? h('div', { key: 'loading', className: 'mc-alert mc-alert--warning' }, 'Mining-Checker Daten werden aktualisiert …') : null,
+              renderTab(),
+            ]),
+          ]),
+        ]),
       ]),
     ]);