diff --git a/frontend/src/app.css b/frontend/src/app.css
index b9ce273..d7ca460 100644
--- a/frontend/src/app.css
+++ b/frontend/src/app.css
@@ -371,12 +371,20 @@ body { font-family: var(--font); background: var(--bg); color: var(--text1); -we
   margin-bottom: 16px;
 }
 
-/* KPI: immer gleich breite Spalten — Mobile 2×2, Desktop 1×4 (kein „einzelne volle Zeile“) */
-.dashboard-stat-grid {
+/*
+ * Dashboard-Raster (KPI, Nebeneinander-Kacheln): 2 / 4 Spalten.
+ * StatCard, DashboardTile: span via --tile-sm / --tile-lg (JS clamp).
+ */
+.dashboard-stat-grid,
+.dashboard-tile-grid {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));
   gap: 8px;
-  margin-bottom: 16px;
+}
+
+.dashboard-stat-grid--mobile-4col,
+.dashboard-tile-grid--mobile-4col {
+  grid-template-columns: repeat(4, minmax(0, 1fr));
 }
 
 .dashboard-stat-card {
@@ -385,34 +393,94 @@ body { font-family: var(--font); background: var(--bg); color: var(--text1); -we
   padding: 12px 10px;
   border: 1px solid var(--border);
   transition: border-color 0.15s;
+}
+
+.dashboard-stat-card,
+.dashboard-tile {
   min-width: 0;
   box-sizing: border-box;
+  grid-column: span var(--tile-sm, 1);
 }
 
-.dashboard-summary-row {
+@media (min-width: 1024px) {
+  .dashboard-stat-card,
+  .dashboard-tile {
+    grid-column: span var(--tile-lg, 1);
+  }
+}
+
+/* ── Dashboard-Abschnitte (Überschrift + Trennlinie) ─ */
+.dashboard-section {
+  margin-bottom: 22px;
+}
+
+.dashboard-section:last-child {
+  margin-bottom: 0;
+}
+
+.dashboard-section__header {
   display: flex;
-  gap: 8px;
-  margin-bottom: 16px;
+  align-items: flex-end;
+  justify-content: space-between;
+  gap: 12px;
+  flex-wrap: wrap;
+  padding-bottom: 10px;
+  margin-bottom: 12px;
+  border-bottom: 1px solid var(--border);
 }
 
-.dashboard-summary-row > .card {
+.dashboard-section__headline {
   flex: 1;
   min-width: 0;
 }
 
+.dashboard-section__title {
+  font-size: 13px;
+  font-weight: 700;
+  color: var(--text3);
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  margin: 0;
+}
+
+.dashboard-section__description {
+  font-size: 12px;
+  color: var(--text3);
+  margin: 4px 0 0 0;
+  line-height: 1.35;
+  max-width: 640px;
+}
+
+.dashboard-section__body {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.dashboard-section__actions {
+  flex-shrink: 0;
+}
+
+.dashboard-pill-row {
+  display: flex;
+  gap: 6px;
+  flex-wrap: wrap;
+}
+
+/* Ernährung/Aktivität: Raster wie KPI; Kacheln per DashboardTile steuerbar */
+.dashboard-summary-row.dashboard-tile-grid {
+  margin-bottom: 0;
+}
+
+.dashboard-erholung-grid .dashboard-tile > .card,
+.dashboard-summary-row .dashboard-tile > .card {
+  height: 100%;
+}
+
 @media (min-width: 1024px) {
-  .dashboard-stat-grid {
+  .dashboard-stat-grid,
+  .dashboard-tile-grid {
     grid-template-columns: repeat(4, minmax(0, 1fr));
     gap: 10px;
   }
-
-  .dashboard-summary-row {
-    display: grid;
-    grid-template-columns: 1fr 1fr;
-    gap: 12px;
-  }
-
-  .dashboard-summary-row > .card {
-    flex: unset;
-  }
 }
diff --git a/frontend/src/components/DashboardSection.jsx b/frontend/src/components/DashboardSection.jsx
new file mode 100644
index 0000000..0609301
--- /dev/null
+++ b/frontend/src/components/DashboardSection.jsx
@@ -0,0 +1,31 @@
+/**
+ * Abschnitt mit optionalem Kopf (Titel, Beschreibung, Aktionen) und unterem Rand zur optischen Trennung.
+ */
+export default function DashboardSection({
+  title,
+  description,
+  headerRight,
+  children,
+  className = '',
+  bodyClassName = ''
+}) {
+  const showHeader = title || description || headerRight
+  return (
+    <section className={`dashboard-section ${className}`.trim()}>
+      {showHeader && (
+        <header className="dashboard-section__header">
+          <div className="dashboard-section__headline">
+            {title ? <h2 className="dashboard-section__title">{title}</h2> : null}
+            {description ? (
+              <p className="dashboard-section__description">{description}</p>
+            ) : null}
+          </div>
+          {headerRight ? (
+            <div className="dashboard-section__actions">{headerRight}</div>
+          ) : null}
+        </header>
+      )}
+      <div className={`dashboard-section__body ${bodyClassName}`.trim()}>{children}</div>
+    </section>
+  )
+}
diff --git a/frontend/src/components/DashboardTile.jsx b/frontend/src/components/DashboardTile.jsx
new file mode 100644
index 0000000..4e86ef2
--- /dev/null
+++ b/frontend/src/components/DashboardTile.jsx
@@ -0,0 +1,29 @@
+import {
+  clampTileSpan,
+  DASHBOARD_TILE_GRID_COLS
+} from '../utils/dashboardLayout'
+
+/**
+ * Kachel im Raster `.dashboard-tile-grid` / `.dashboard-stat-grid`.
+ * Standard: volle Zeile (Mobile 2/2, Desktop 4/4). Anpassbar via spanMobile / spanDesktop.
+ */
+export default function DashboardTile({
+  children,
+  spanMobile = DASHBOARD_TILE_GRID_COLS.mobile,
+  spanDesktop = DASHBOARD_TILE_GRID_COLS.desktop,
+  className = ''
+}) {
+  const sm = clampTileSpan(spanMobile, DASHBOARD_TILE_GRID_COLS.mobile)
+  const lg = clampTileSpan(spanDesktop, DASHBOARD_TILE_GRID_COLS.desktop)
+  return (
+    <div
+      className={`dashboard-tile ${className}`.trim()}
+      style={{
+        '--tile-sm': String(sm),
+        '--tile-lg': String(lg)
+      }}
+    >
+      {children}
+    </div>
+  )
+}
diff --git a/frontend/src/pages/Dashboard.jsx b/frontend/src/pages/Dashboard.jsx
index fd0e4fa..eb2ae66 100644
--- a/frontend/src/pages/Dashboard.jsx
+++ b/frontend/src/pages/Dashboard.jsx
@@ -1,6 +1,6 @@
-import { useState, useEffect, useRef } from 'react'
+import { useState, useEffect } from 'react'
 import { useNavigate } from 'react-router-dom'
-import { Check, ChevronRight, Brain } from 'lucide-react'
+import { Check, Brain } from 'lucide-react'
 import {
   LineChart, Line, XAxis, YAxis, Tooltip,
   ResponsiveContainer, CartesianGrid
@@ -13,10 +13,17 @@ import EmailVerificationBanner from '../components/EmailVerificationBanner'
 import TrainingTypeDistribution from '../components/TrainingTypeDistribution'
 import SleepWidget from '../components/SleepWidget'
 import RestDaysWidget from '../components/RestDaysWidget'
-import { getInterpretation, getStatusColor, getStatusBg } from '../utils/interpret'
 import Markdown from '../utils/Markdown'
 import dayjs from 'dayjs'
 import 'dayjs/locale/de'
+import DashboardSection from '../components/DashboardSection'
+import DashboardTile from '../components/DashboardTile'
+import {
+  clampTileSpan,
+  DASHBOARD_TILE_GRID_COLS,
+  dashboardStatGridClassName,
+  dashboardTileGridClassName
+} from '../utils/dashboardLayout'
 dayjs.locale('de')
 
 // ── Helpers ───────────────────────────────────────────────────────────────────
@@ -144,14 +151,37 @@ function Pill({ label, value, status, sub }) {
 }
 
 // ── Stat Card ─────────────────────────────────────────────────────────────────
-function StatCard({ icon, label, value, unit, delta, deltaGoodWhenNeg=false, sub, onClick, color }) {
+/**
+ * KPI-Kachel im Dashboard-Raster (`dashboard-stat-grid` / `dashboard-tile-grid`).
+ * @param {number} [spanMobile=1]  Spaltenbreite unter 1024px (max. = Raster-Spalten mobile)
+ * @param {number} [spanDesktop=1] Spaltenbreite ≥1024px (max. 4)
+ */
+function StatCard({
+  icon,
+  label,
+  value,
+  unit,
+  delta,
+  deltaGoodWhenNeg = false,
+  sub,
+  onClick,
+  color,
+  spanMobile = 1,
+  spanDesktop = 1
+}) {
   const deltaColor = delta==null ? null
     : (deltaGoodWhenNeg ? delta<0 : delta>0) ? 'var(--accent)' : 'var(--warn)'
+  const sm = clampTileSpan(spanMobile, DASHBOARD_TILE_GRID_COLS.mobile)
+  const lg = clampTileSpan(spanDesktop, DASHBOARD_TILE_GRID_COLS.desktop)
   return (
     <div
       className="dashboard-stat-card"
       onClick={onClick}
-      style={{ cursor: onClick ? 'pointer' : 'default' }}
+      style={{
+        cursor: onClick ? 'pointer' : 'default',
+        '--tile-sm': String(sm),
+        '--tile-lg': String(lg)
+      }}
     onMouseEnter={e=>onClick&&(e.currentTarget.style.borderColor='var(--accent)')}
     onMouseLeave={e=>onClick&&(e.currentTarget.style.borderColor='var(--border)')}>
       <div style={{fontSize:18,marginBottom:4}}>{icon}</div>
@@ -260,7 +290,6 @@ export default function Dashboard() {
   const runPipeline = async () => {
     setPipelineLoading(true); setPipelineError(null)
     try {
-      const pid = localStorage.getItem('mitai-jinkendo_active_profile')||''
       await api.insightPipeline()
       await load()
     } catch(e) {
@@ -268,12 +297,7 @@ export default function Dashboard() {
     } finally { setPipelineLoading(false) }
   }
 
-  useEffect(()=>{
-    console.log('[Dashboard] Component mounted, loading data...')
-    load()
-  },[])
-
-  console.log('[Dashboard] Rendering, loading=', loading, 'activeProfile=', activeProfile?.name)
+  useEffect(()=>{ load() },[])
 
   if (loading) return <div className="empty-state"><div className="spinner"/></div>
 
@@ -317,7 +341,11 @@ export default function Dashboard() {
 
   const hasAnyData = latestW||latestCal||nutrition.length>0
 
-  console.log('[Dashboard] hasAnyData=', hasAnyData, 'latestW=', !!latestW, 'latestCal=', !!latestCal, 'nutrition.length=', nutrition.length)
+  const showNutrSummary = !!(avgKcal || avgProtein)
+  const showActSummary = actKcal != null
+  const summaryBoth = showNutrSummary && showActSummary
+  const summarySpanM = summaryBoth ? 1 : 2
+  const summarySpanD = summaryBoth ? 2 : 4
 
   return (
     <div className="dashboard-page">
@@ -349,46 +377,54 @@ export default function Dashboard() {
       )}
 
       {hasAnyData && <>
-        {/* Quick weight entry */}
-        <div className="card section-gap">
-          <div style={{display:'flex',alignItems:'center',justifyContent:'space-between',marginBottom:10}}>
-            <div style={{fontWeight:600,fontSize:14}}>⚖️ Gewicht heute</div>
-            <button style={{background:'none',border:'none',fontSize:12,color:'var(--accent)',cursor:'pointer'}}
-              onClick={()=>nav('/weight')}>
+        <DashboardSection
+          title="Gewicht heute"
+          description="Tageswert erfassen – Grundlage für Trends und Ziele."
+          headerRight={
+            <button type="button" className="btn btn-secondary"
+              style={{ fontSize: 12, padding: '6px 12px' }}
+              onClick={() => nav('/weight')}>
               Alle Einträge →
             </button>
+          }
+        >
+          <div className="card section-gap">
+            <QuickWeight onSaved={load}/>
           </div>
-          <QuickWeight onSaved={load}/>
-        </div>
+        </DashboardSection>
 
-        {/* Key metrics — Mobile: flex-wrap; Desktop: 4-spaltig (RESPONSIVE_UI P3) */}
-        <div className="dashboard-stat-grid">
-          <StatCard icon="⚖️" label="Gewicht" value={latestW?.weight??'–'} unit="kg"
-            delta={wDelta} deltaGoodWhenNeg={true}
-            sub={latestW ? dayjs(latestW.date).format('DD.MM.') : '–'}
-            onClick={()=>nav('/history')} color="#378ADD"/>
-          {latestCal?.body_fat_pct && <StatCard icon="🫧" label="Körperfett" value={latestCal.body_fat_pct} unit="%"
-            delta={bfDelta} deltaGoodWhenNeg={true}
-            sub={bfCat?.label}
-            onClick={()=>nav('/history',{state:{tab:'body'}})} color={bfCat?.color}/>}
-          {latestCal?.lean_mass && <StatCard icon="💪" label="Magermasse" value={latestCal.lean_mass} unit="kg"
-            sub={latestCal.date ? dayjs(latestCal.date).format('DD.MM.') : '–'}
-            onClick={()=>nav('/history',{state:{tab:'body'}})}/>}
-          {avgKcal && <StatCard icon="🍽️" label="Ø Kalorien" value={avgKcal} unit="kcal"
-            sub="letzte 7 Tage" onClick={()=>nav('/history',{state:{tab:'nutrition'}})} color="#EF9F27"/>}
-        </div>
-
-        {/* Status pills */}
-        {pills.length > 0 && (
-          <div style={{display:'flex',gap:6,flexWrap:'wrap',marginBottom:16}}>
-            {pills.map((p,i)=><Pill key={i} {...p}/>)}
+        <DashboardSection
+          title="Kennzahlen"
+          description="Aktuelle Messwerte und Ernährungs-Schnitt (7 Tage)."
+        >
+          <div className={dashboardStatGridClassName(DASHBOARD_TILE_GRID_COLS.mobile)}>
+            <StatCard icon="⚖️" label="Gewicht" value={latestW?.weight??'–'} unit="kg"
+              delta={wDelta} deltaGoodWhenNeg={true}
+              sub={latestW ? dayjs(latestW.date).format('DD.MM.') : '–'}
+              onClick={()=>nav('/history')} color="#378ADD"/>
+            {latestCal?.body_fat_pct && <StatCard icon="🫧" label="Körperfett" value={latestCal.body_fat_pct} unit="%"
+              delta={bfDelta} deltaGoodWhenNeg={true}
+              sub={bfCat?.label}
+              onClick={()=>nav('/history',{state:{tab:'body'}})} color={bfCat?.color}/>}
+            {latestCal?.lean_mass && <StatCard icon="💪" label="Magermasse" value={latestCal.lean_mass} unit="kg"
+              sub={latestCal.date ? dayjs(latestCal.date).format('DD.MM.') : '–'}
+              onClick={()=>nav('/history',{state:{tab:'body'}})}/>}
+            {avgKcal && <StatCard icon="🍽️" label="Ø Kalorien" value={avgKcal} unit="kcal"
+              sub="letzte 7 Tage" onClick={()=>nav('/history',{state:{tab:'nutrition'}})} color="#EF9F27"/>}
           </div>
-        )}
+          {pills.length > 0 && (
+            <div className="dashboard-pill-row">
+              {pills.map((p,i)=><Pill key={i} {...p}/>)}
+            </div>
+          )}
+        </DashboardSection>
 
-        {/* Goals progress */}
         {(activeProfile?.goal_weight||activeProfile?.goal_bf_pct) && latestW && (
-          <div className="card section-gap" style={{marginBottom:16}}>
-            <div style={{fontWeight:600,fontSize:13,marginBottom:10}}>🎯 Ziele</div>
+          <DashboardSection
+            title="Profil-Ziele"
+            description="Fortschritt zu den Zielwerten in deinem Profil."
+          >
+          <div className="card section-gap">
             {activeProfile?.goal_weight && latestW && (()=>{
               const start  = Math.max(...weights.map(w=>w.weight))
               const curr   = latestW.weight
@@ -429,134 +465,167 @@ export default function Dashboard() {
               )
             })()}
           </div>
+          </DashboardSection>
         )}
 
-        {/* Combined chart */}
         {(weights.length>2||nutrition.length>2) && (
-          <div className="card section-gap" style={{marginBottom:16}}>
-            <div style={{display:'flex',justifyContent:'space-between',alignItems:'center',marginBottom:8}}>
-              <div style={{fontWeight:600,fontSize:13}}>📊 Kalorien + Gewicht (30 Tage)</div>
-              <button style={{background:'none',border:'none',fontSize:12,color:'var(--accent)',cursor:'pointer'}}
+          <DashboardSection
+            title="Trends"
+            description="Kalorien und Gewicht der letzten 30 Tage."
+            headerRight={
+              <button type="button" className="btn btn-secondary" style={{ fontSize: 12, padding: '6px 12px' }}
                 onClick={()=>nav('/history',{state:{tab:'body'}})}>
                 Details →
               </button>
-            </div>
-            <ComboChart weights={weights} nutrition={nutrition}/>
-            <div style={{display:'flex',gap:16,justifyContent:'center',marginTop:6,fontSize:10,color:'var(--text3)'}}>
-              <span><span style={{display:'inline-block',width:12,height:2,background:'#EF9F27',verticalAlign:'middle',marginRight:3}}/>Ø Kalorien</span>
-              <span><span style={{display:'inline-block',width:12,height:2,background:'#378ADD',verticalAlign:'middle',marginRight:3}}/>Gewicht</span>
-            </div>
-          </div>
+            }
+          >
+            <DashboardTile>
+              <div className="card section-gap">
+                <ComboChart weights={weights} nutrition={nutrition}/>
+                <div style={{display:'flex',gap:16,justifyContent:'center',marginTop:6,fontSize:10,color:'var(--text3)'}}>
+                  <span><span style={{display:'inline-block',width:12,height:2,background:'#EF9F27',verticalAlign:'middle',marginRight:3}}/>Ø Kalorien</span>
+                  <span><span style={{display:'inline-block',width:12,height:2,background:'#378ADD',verticalAlign:'middle',marginRight:3}}/>Gewicht</span>
+                </div>
+              </div>
+            </DashboardTile>
+          </DashboardSection>
         )}
 
-        {/* Activity + Nutrition summary row */}
-        <div className="dashboard-summary-row">
-          {(avgKcal||avgProtein) && (
-            <div className="card" style={{flex:1,cursor:'pointer'}} onClick={()=>nav('/history',{state:{tab:'nutrition'}})}>
-              <div style={{fontWeight:600,fontSize:12,marginBottom:8,color:'var(--text3)'}}>🍽️ ERNÄHRUNG (Ø 7T)</div>
-              {avgKcal && <div style={{fontSize:16,fontWeight:700,color:'#EF9F27'}}>{avgKcal} kcal</div>}
-              {avgProtein && <div style={{fontSize:13,fontWeight:600,
-                color:proteinOk?'var(--accent)':'var(--warn)'}}>
-                {avgProtein}g Protein {proteinOk?'✓':'⚠️'}
-              </div>}
-              <div style={{fontSize:10,color:'var(--text3)',marginTop:4}}>→ Verlauf Ernährung</div>
+        {(showNutrSummary || showActSummary) && (
+          <DashboardSection
+            title="Ernährung & Aktivität"
+            description="Kurzüberblick; volle Verläufe unter Historie."
+          >
+            <div className={`dashboard-summary-row ${dashboardTileGridClassName(DASHBOARD_TILE_GRID_COLS.mobile)}`}>
+              {showNutrSummary && (
+                <DashboardTile spanMobile={summarySpanM} spanDesktop={summarySpanD}>
+                  <div className="card" style={{ cursor: 'pointer', height: '100%' }} onClick={()=>nav('/history',{state:{tab:'nutrition'}})}>
+                    <div style={{fontWeight:600,fontSize:12,marginBottom:8,color:'var(--text3)'}}>🍽️ ERNÄHRUNG (Ø 7T)</div>
+                    {avgKcal && <div style={{fontSize:16,fontWeight:700,color:'#EF9F27'}}>{avgKcal} kcal</div>}
+                    {avgProtein && <div style={{fontSize:13,fontWeight:600,
+                      color:proteinOk?'var(--accent)':'var(--warn)'}}>
+                      {avgProtein}g Protein {proteinOk?'✓':'⚠️'}
+                    </div>}
+                    <div style={{fontSize:10,color:'var(--text3)',marginTop:4}}>→ Verlauf Ernährung</div>
+                  </div>
+                </DashboardTile>
+              )}
+              {showActSummary && (
+                <DashboardTile spanMobile={summarySpanM} spanDesktop={summarySpanD}>
+                  <div className="card" style={{ cursor: 'pointer', height: '100%' }} onClick={()=>nav('/history',{state:{tab:'activity'}})}>
+                    <div style={{fontWeight:600,fontSize:12,marginBottom:8,color:'var(--text3)'}}>🏋️ AKTIVITÄT (7T)</div>
+                    <div style={{fontSize:16,fontWeight:700,color:'#EF9F27'}}>{actKcal} kcal</div>
+                    <div style={{fontSize:13,color:'var(--text2)'}}>{recentAct.length} Trainings</div>
+                    <div style={{fontSize:10,color:'var(--text3)',marginTop:4}}>→ Verlauf Aktivität</div>
+                  </div>
+                </DashboardTile>
+              )}
             </div>
-          )}
-          {actKcal!=null && (
-            <div className="card" style={{flex:1,cursor:'pointer'}} onClick={()=>nav('/history',{state:{tab:'activity'}})}>
-              <div style={{fontWeight:600,fontSize:12,marginBottom:8,color:'var(--text3)'}}>🏋️ AKTIVITÄT (7T)</div>
-              <div style={{fontSize:16,fontWeight:700,color:'#EF9F27'}}>{actKcal} kcal</div>
-              <div style={{fontSize:13,color:'var(--text2)'}}>{recentAct.length} Trainings</div>
-              <div style={{fontSize:10,color:'var(--text3)',marginTop:4}}>→ Verlauf Aktivität</div>
-            </div>
-          )}
-        </div>
+          </DashboardSection>
+        )}
 
-        {/* Sleep Widget */}
-        <div style={{marginBottom:16}}>
-          <SleepWidget/>
-        </div>
+        <DashboardSection
+          title="Erholung"
+          description="Schlaf und Ruhetage im Überblick."
+        >
+          <div className={`dashboard-erholung-grid ${dashboardTileGridClassName(DASHBOARD_TILE_GRID_COLS.mobile)}`}>
+            <DashboardTile spanMobile={1} spanDesktop={2}>
+              <SleepWidget/>
+            </DashboardTile>
+            <DashboardTile spanMobile={1} spanDesktop={2}>
+              <RestDaysWidget/>
+            </DashboardTile>
+          </div>
+        </DashboardSection>
 
-        {/* Rest Days Widget */}
-        <div style={{marginBottom:16}}>
-          <RestDaysWidget/>
-        </div>
-
-        {/* Training Type Distribution */}
         {activities.length > 0 && (
-          <div className="card section-gap" style={{marginBottom:16}}>
-            <div style={{display:'flex',justifyContent:'space-between',alignItems:'center',marginBottom:12}}>
-              <div style={{fontWeight:600,fontSize:13}}>🏋️ Trainingstyp-Verteilung</div>
-              <button style={{background:'none',border:'none',fontSize:12,color:'var(--accent)',cursor:'pointer'}}
+          <DashboardSection
+            title="Training"
+            description="Verteilung der Trainingstypen (28 Tage)."
+            headerRight={
+              <button type="button" className="btn btn-secondary" style={{ fontSize: 12, padding: '6px 12px' }}
                 onClick={()=>nav('/activity')}>
                 Details →
               </button>
-            </div>
-            <TrainingTypeDistribution days={28} />
-          </div>
+            }
+          >
+            <DashboardTile>
+              <div className="card section-gap">
+                <TrainingTypeDistribution days={28} />
+              </div>
+            </DashboardTile>
+          </DashboardSection>
         )}
 
-        {/* Goals Preview */}
-        <div className="card section-gap" style={{marginBottom:16,cursor:'pointer'}}
-          onClick={()=>nav('/goals')}>
-          <div style={{display:'flex',justifyContent:'space-between',alignItems:'center',marginBottom:12}}>
-            <div style={{fontWeight:600,fontSize:13}}>🎯 Ziele</div>
-            <button style={{background:'none',border:'none',fontSize:12,color:'var(--accent)',cursor:'pointer'}}
-              onClick={(e)=>{e.stopPropagation();nav('/goals')}}>
+        <DashboardSection
+          title="Ziele & Fokus"
+          description="Trainingsmodus, Schwerpunkte und konkrete Ziele für die KI."
+          headerRight={
+            <button type="button" className="btn btn-secondary" style={{ fontSize: 12, padding: '6px 12px' }}
+              onClick={(e)=>{ e.stopPropagation(); nav('/goals') }}>
               Verwalten →
             </button>
-          </div>
-          <div style={{fontSize:12,color:'var(--text2)',padding:'8px 0'}}>
-            Definiere deine Trainingsmodus und konkrete Ziele für bessere KI-Analysen
-          </div>
-        </div>
+          }
+        >
+          <DashboardTile>
+            <div className="card section-gap" style={{ cursor: 'pointer' }} onClick={()=>nav('/goals')}>
+              <div style={{fontSize:12,color:'var(--text2)',padding:'8px 0'}}>
+                Definiere deine Trainingsmodus und konkrete Ziele für bessere KI-Analysen
+              </div>
+            </div>
+          </DashboardTile>
+        </DashboardSection>
 
-        {/* Latest AI insight */}
-        <div className="card section-gap">
-          <div style={{display:'flex',alignItems:'center',justifyContent:'space-between',marginBottom:8}}>
-            <div style={{fontWeight:600,fontSize:13}}>🤖 KI-Auswertung</div>
-            <button className="btn btn-secondary" style={{fontSize:11,padding:'4px 10px'}}
+        <DashboardSection
+          title="KI-Auswertung"
+          description="Mehrstufige Pipeline und letzte Zusammenfassung."
+          headerRight={
+            <button type="button" className="btn btn-secondary" style={{ fontSize: 11, padding: '4px 10px' }}
               onClick={()=>nav('/analysis')}>
               <Brain size={11}/> Analysen →
             </button>
-          </div>
-          {/* Pipeline trigger */}
-          <button className="btn btn-primary btn-full" style={{marginBottom:10}}
-            onClick={runPipeline} disabled={pipelineLoading}>
-            {pipelineLoading
-              ? <><div className="spinner" style={{width:13,height:13}}/> Analyse läuft… (3 Stufen)</>
-              : <><Brain size={13}/> 🔬 Mehrstufige Analyse starten</>}
-          </button>
-          {pipelineError && <div style={{fontSize:12,color:'#D85A30',marginBottom:8}}>{pipelineError}</div>}
+          }
+        >
+          <DashboardTile>
+            <div className="card section-gap">
+              <button type="button" className="btn btn-primary btn-full" style={{marginBottom:10}}
+                onClick={runPipeline} disabled={pipelineLoading}>
+                {pipelineLoading
+                  ? <><div className="spinner" style={{width:13,height:13}}/> Analyse läuft… (3 Stufen)</>
+                  : <><Brain size={13}/> 🔬 Mehrstufige Analyse starten</>}
+              </button>
+              {pipelineError && <div style={{fontSize:12,color:'#D85A30',marginBottom:8}}>{pipelineError}</div>}
 
-          {latestInsight ? (
-            <>
-              <div style={{fontSize:11,color:'var(--text3)',marginBottom:6}}>
-                Letzte Analyse: {dayjs(latestInsight.created).format('DD. MMMM YYYY, HH:mm')}
-              </div>
-              <div style={{maxHeight: showInsight?'none':120, overflow:'hidden', position:'relative'}}>
-                <Markdown text={latestInsight.content}/>
-                {!showInsight && (
-                  <div style={{position:'absolute',bottom:0,left:0,right:0,height:40,
-                    background:'linear-gradient(transparent,var(--surface))'}}/>
-                )}
-              </div>
-              <button style={{background:'none',border:'none',cursor:'pointer',
-                fontSize:12,color:'var(--accent)',marginTop:6,padding:0}}
-                onClick={()=>setShowInsight(s=>!s)}>
-                {showInsight?'▲ Weniger anzeigen':'▼ Vollständig anzeigen'}
-              </button>
-            </>
-          ) : (
-            <div style={{fontSize:13,color:'var(--text3)',padding:'8px 0'}}>
-              Noch keine KI-Auswertung vorhanden.
-              <button className="btn btn-primary" style={{marginTop:8,display:'block',fontSize:12}}
-                onClick={()=>nav('/analysis')}>
-                Erste Analyse erstellen
-              </button>
+              {latestInsight ? (
+                <>
+                  <div style={{fontSize:11,color:'var(--text3)',marginBottom:6}}>
+                    Letzte Analyse: {dayjs(latestInsight.created).format('DD. MMMM YYYY, HH:mm')}
+                  </div>
+                  <div style={{maxHeight: showInsight?'none':120, overflow:'hidden', position:'relative'}}>
+                    <Markdown text={latestInsight.content}/>
+                    {!showInsight && (
+                      <div style={{position:'absolute',bottom:0,left:0,right:0,height:40,
+                        background:'linear-gradient(transparent,var(--surface))'}}/>
+                    )}
+                  </div>
+                  <button type="button" style={{background:'none',border:'none',cursor:'pointer',
+                    fontSize:12,color:'var(--accent)',marginTop:6,padding:0}}
+                    onClick={()=>setShowInsight(s=>!s)}>
+                    {showInsight?'▲ Weniger anzeigen':'▼ Vollständig anzeigen'}
+                  </button>
+                </>
+              ) : (
+                <div style={{fontSize:13,color:'var(--text3)',padding:'8px 0'}}>
+                  Noch keine KI-Auswertung vorhanden.
+                  <button type="button" className="btn btn-primary" style={{marginTop:8,display:'block',fontSize:12}}
+                    onClick={()=>nav('/analysis')}>
+                    Erste Analyse erstellen
+                  </button>
+                </div>
+              )}
             </div>
-          )}
-        </div>
+          </DashboardTile>
+        </DashboardSection>
       </>}
     </div>
   )
diff --git a/frontend/src/utils/dashboardLayout.js b/frontend/src/utils/dashboardLayout.js
new file mode 100644
index 0000000..9611c37
--- /dev/null
+++ b/frontend/src/utils/dashboardLayout.js
@@ -0,0 +1,26 @@
+/**
+ * Gemeinsames Raster für Dashboard-Kacheln (Mobile 2 / Desktop 4 Spalten).
+ * Optional Mobile 4: mobile auf 4 setzen + Klasse dashboard-tile-grid--mobile-4col.
+ */
+export const DASHBOARD_TILE_GRID_COLS = { mobile: 2, desktop: 4 }
+
+/** @param {number} span @param {number} maxCols */
+export function clampTileSpan(span, maxCols) {
+  const n = Number(span)
+  if (!Number.isFinite(n)) return 1
+  return Math.min(maxCols, Math.max(1, Math.round(n)))
+}
+
+/** @param {number} [mobileCols] 2 oder 4 */
+export function dashboardTileGridClassName(mobileCols = DASHBOARD_TILE_GRID_COLS.mobile) {
+  let c = 'dashboard-tile-grid'
+  if (mobileCols === 4) c += ' dashboard-tile-grid--mobile-4col'
+  return c
+}
+
+/** KPI-Raster: dieselben Regeln wie `dashboard-tile-grid`, plus Legacy-Klasse `dashboard-stat-grid`. */
+export function dashboardStatGridClassName(mobileCols = DASHBOARD_TILE_GRID_COLS.mobile) {
+  let c = 'dashboard-stat-grid dashboard-tile-grid'
+  if (mobileCols === 4) c += ' dashboard-stat-grid--mobile-4col dashboard-tile-grid--mobile-4col'
+  return c
+}