diff --git a/frontend/src/app.css b/frontend/src/app.css
index 956501d..7aaf75e 100644
--- a/frontend/src/app.css
+++ b/frontend/src/app.css
@@ -71,6 +71,76 @@ body { font-family: var(--font); background: var(--bg); color: var(--text1); -we
   }
 }
 .app-logo { font-size: 18px; font-weight: 700; color: var(--accent); letter-spacing: -0.02em; }
+
+/* === Seiten-Inhalt: einheitlich volle Breite bis 1023px; ab Desktop optionale Max-Breite === */
+.app-page {
+  width: 100%;
+  max-width: 100%;
+  min-width: 0;
+  box-sizing: border-box;
+}
+
+@media (min-width: 1024px) {
+  .app-page--constrained-lg {
+    max-width: 1200px;
+    margin-left: auto;
+    margin-right: auto;
+  }
+  .app-page--constrained-md {
+    max-width: 900px;
+    margin-left: auto;
+    margin-right: auto;
+  }
+  .app-page--constrained-sm {
+    max-width: 720px;
+    margin-left: auto;
+    margin-right: auto;
+  }
+  .app-page--reading {
+    max-width: 640px;
+    margin-left: auto;
+    margin-right: auto;
+  }
+}
+
+/* Form-Grids: minmax(0,…) verhindert Grid-Overflow; eine Spalte bis zum ersten Breakpoint */
+.responsive-grid-2 {
+  display: grid;
+  gap: 12px;
+  grid-template-columns: minmax(0, 1fr);
+}
+@media (min-width: 480px) {
+  .responsive-grid-2 {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
+.responsive-grid-3 {
+  display: grid;
+  gap: 1rem;
+  grid-template-columns: minmax(0, 1fr);
+}
+@media (min-width: 560px) {
+  .responsive-grid-3 {
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+  }
+}
+
+.responsive-grid-4 {
+  display: grid;
+  gap: 1rem;
+  grid-template-columns: minmax(0, 1fr);
+}
+@media (min-width: 560px) {
+  .responsive-grid-4 {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+@media (min-width: 900px) {
+  .responsive-grid-4 {
+    grid-template-columns: repeat(4, minmax(0, 1fr));
+  }
+}
 /* unten: Tab-Leiste + Abstand nach oben zur Leiste + Home-Indicator (iPhone) */
 .app-main {
   flex: 1;
@@ -163,6 +233,7 @@ body { font-family: var(--font); background: var(--bg); color: var(--text1); -we
   gap: 8px;
   padding: 0;
   margin-bottom: 16px;
+  min-width: 0;
 }
 
 .form-label {
@@ -183,6 +254,7 @@ body { font-family: var(--font); background: var(--bg); color: var(--text1); -we
 
 .form-input {
   width: 100%;
+  min-width: 0;
   padding: 10px 12px;
   text-align: left;
   font-family: var(--font);
@@ -2741,14 +2813,16 @@ a.analysis-split__nav-item {
 
 /* Rahmenprogramm bearbeiten — Mobile: Stammdaten | Plan; Desktop: untereinander Ziele → Slots (synchron zu FRAMEWORK_DESKTOP_MIN_PX) */
 .framework-edit {
-  max-width: 800px;
-  margin: 0 auto;
+  max-width: 100%;
+  margin: 0;
   width: 100%;
   min-width: 0;
 }
 @media (min-width: 900px) {
   .framework-edit {
     max-width: min(1200px, 100%);
+    margin-left: auto;
+    margin-right: auto;
   }
   .framework-edit__tabbar {
     display: none !important;
@@ -2834,6 +2908,12 @@ a.analysis-split__nav-item {
   scrollbar-gutter: stable;
 }
 
+@media (max-width: 1023px) {
+  .framework-slots-board-outer {
+    scrollbar-gutter: auto;
+  }
+}
+
 .framework-slots-board {
   display: flex;
   flex-direction: row;
diff --git a/frontend/src/pages/AccountSettingsPage.jsx b/frontend/src/pages/AccountSettingsPage.jsx
index 0edb2c0..e2c9895 100644
--- a/frontend/src/pages/AccountSettingsPage.jsx
+++ b/frontend/src/pages/AccountSettingsPage.jsx
@@ -98,7 +98,7 @@ function AccountSettingsPage() {
   }
 
   return (
-    <div className="page-padding" style={{ padding: '1rem', maxWidth: '640px', margin: '0 auto' }}>
+    <div className="page-padding app-page app-page--reading" style={{ padding: '1rem' }}>
       <h1 style={{ marginBottom: '0.35rem', fontSize: '1.5rem' }}>Einstellungen</h1>
       <p style={{ color: 'var(--text2)', marginBottom: '1.25rem', fontSize: '0.95rem' }}>
         Konto &amp; Sicherheit
diff --git a/frontend/src/pages/AdminCatalogsPage.jsx b/frontend/src/pages/AdminCatalogsPage.jsx
index a5952d7..b92f66a 100644
--- a/frontend/src/pages/AdminCatalogsPage.jsx
+++ b/frontend/src/pages/AdminCatalogsPage.jsx
@@ -313,7 +313,7 @@ export default function AdminCatalogsPage() {
   }
 
   return (
-    <div style={{ padding: '16px', maxWidth: '1200px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-lg">
       <AdminPageNav />
 
       <h1 style={{ marginBottom: '24px' }}>Stammdaten-Kataloge</h1>
diff --git a/frontend/src/pages/AdminHierarchyPage.jsx b/frontend/src/pages/AdminHierarchyPage.jsx
index 1361d83..f44845b 100644
--- a/frontend/src/pages/AdminHierarchyPage.jsx
+++ b/frontend/src/pages/AdminHierarchyPage.jsx
@@ -93,7 +93,7 @@ function AdminHierarchyPage() {
   ]
 
   return (
-    <div style={{ padding: '20px' }}>
+    <div className="app-page app-page--constrained-lg">
       <AdminPageNav />
 
       <h1 style={{ marginTop: 0 }}>Admin: Katalog-Hierarchie</h1>
diff --git a/frontend/src/pages/ClubsPage.jsx b/frontend/src/pages/ClubsPage.jsx
index 470fae2..e9ef58b 100644
--- a/frontend/src/pages/ClubsPage.jsx
+++ b/frontend/src/pages/ClubsPage.jsx
@@ -143,8 +143,7 @@ function ClubsPage() {
   }
 
   return (
-    <div style={{ padding: '2rem' }}>
-      <div style={{ maxWidth: '1200px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-lg">
         <h1 style={{ marginBottom: '0.75rem' }}>Vereinsverwaltung</h1>
         <p style={{ color: 'var(--text2)', marginBottom: '1.35rem', maxWidth: '46rem', lineHeight: 1.55 }}>
           Für die Trainingsplanung wird mindestens ein <strong>Verein</strong> und eine <strong>Trainingsgruppe</strong> gebraucht.
@@ -696,7 +695,6 @@ function ClubsPage() {
             </div>
           </div>
         )}
-      </div>
     </div>
   )
 }
diff --git a/frontend/src/pages/Dashboard.jsx b/frontend/src/pages/Dashboard.jsx
index a0212eb..069cca3 100644
--- a/frontend/src/pages/Dashboard.jsx
+++ b/frontend/src/pages/Dashboard.jsx
@@ -30,7 +30,7 @@ function Dashboard() {
 
   if (loading) {
     return (
-      <div style={{ padding: '2rem', textAlign: 'center' }}>
+      <div className="app-page" style={{ padding: '2rem 0', textAlign: 'center' }}>
         <div className="spinner"></div>
         <p>Laden...</p>
       </div>
@@ -38,8 +38,7 @@ function Dashboard() {
   }
 
   return (
-    <div style={{ minHeight: '100vh', background: 'var(--bg)', padding: '2rem' }}>
-      <div style={{ maxWidth: '1200px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-lg">
         <h1>Dashboard</h1>
         <p style={{ color: 'var(--text2)', marginTop: '0.5rem' }}>
           Willkommen, {user?.name || user?.email}!
@@ -56,7 +55,7 @@ function Dashboard() {
         {/* Status Grid */}
         <div style={{
           display: 'grid',
-          gridTemplateColumns: 'repeat(auto-fit, minmax(300px, 1fr))',
+          gridTemplateColumns: 'repeat(auto-fit, minmax(min(100%, 260px), 1fr))',
           gap: '1rem',
           marginBottom: '1.5rem'
         }}>
@@ -122,7 +121,6 @@ function Dashboard() {
             </div>
           </div>
         )}
-      </div>
     </div>
   )
 }
diff --git a/frontend/src/pages/ExerciseDetailPage.jsx b/frontend/src/pages/ExerciseDetailPage.jsx
index ddf901c..bcdaac8 100644
--- a/frontend/src/pages/ExerciseDetailPage.jsx
+++ b/frontend/src/pages/ExerciseDetailPage.jsx
@@ -144,7 +144,7 @@ function ExerciseDetailPage() {
   if (error) {
     const msg = error.message || String(error)
     return (
-      <div style={{ padding: '1rem', maxWidth: '640px', margin: '0 auto' }}>
+      <div style={{ padding: '1rem' }} className="app-page app-page--reading">
         <div className="card">
           <h2>Übung</h2>
           <p style={{ color: 'var(--danger)' }}>{msg}</p>
diff --git a/frontend/src/pages/ExerciseFormPage.jsx b/frontend/src/pages/ExerciseFormPage.jsx
index ee89dfe..01327ae 100644
--- a/frontend/src/pages/ExerciseFormPage.jsx
+++ b/frontend/src/pages/ExerciseFormPage.jsx
@@ -699,7 +699,7 @@ function ExerciseFormPage() {
   }
 
   return (
-    <div style={{ padding: '12px', maxWidth: '720px', margin: '0 auto' }}>
+    <div style={{ padding: '12px' }} className="app-page app-page--constrained-sm">
       <div style={{ marginBottom: '12px' }}>
         <button type="button" className="btn btn-secondary" onClick={() => navigate('/exercises')}>
           ← Übersicht
diff --git a/frontend/src/pages/ExercisesListPage.jsx b/frontend/src/pages/ExercisesListPage.jsx
index 3e7ce6b..b0a9ed2 100644
--- a/frontend/src/pages/ExercisesListPage.jsx
+++ b/frontend/src/pages/ExercisesListPage.jsx
@@ -352,7 +352,7 @@ function ExercisesListPage() {
   }
 
   return (
-    <div style={{ padding: '12px', maxWidth: '1200px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-lg">
       <div
         style={{
           display: 'flex',
diff --git a/frontend/src/pages/MediaWikiImportPage.jsx b/frontend/src/pages/MediaWikiImportPage.jsx
index 77a10dc..1ee322c 100644
--- a/frontend/src/pages/MediaWikiImportPage.jsx
+++ b/frontend/src/pages/MediaWikiImportPage.jsx
@@ -103,7 +103,7 @@ export default function MediaWikiImportPage() {
   }
 
   return (
-    <div style={{ padding: '20px', maxWidth: '1200px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-lg">
       <AdminPageNav />
 
       <h1>MediaWiki Import (Semantic MediaWiki)</h1>
diff --git a/frontend/src/pages/SkillsPage.jsx b/frontend/src/pages/SkillsPage.jsx
index ddafad8..806b8eb 100644
--- a/frontend/src/pages/SkillsPage.jsx
+++ b/frontend/src/pages/SkillsPage.jsx
@@ -143,8 +143,7 @@ function SkillsPage() {
   const methodsByCategory = groupByCategory(methods)
 
   return (
-    <div style={{ padding: '2rem' }}>
-      <div style={{ maxWidth: '1200px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-lg">
         <h1 style={{ marginBottom: '1.5rem' }}>Fähigkeiten & Methoden</h1>
 
         {/* Tabs */}
@@ -509,7 +508,6 @@ function SkillsPage() {
             </div>
           </div>
         )}
-      </div>
     </div>
   )
 }
diff --git a/frontend/src/pages/TrainerContextsPage.jsx b/frontend/src/pages/TrainerContextsPage.jsx
index 42af87d..a457f04 100644
--- a/frontend/src/pages/TrainerContextsPage.jsx
+++ b/frontend/src/pages/TrainerContextsPage.jsx
@@ -95,7 +95,7 @@ export default function TrainerContextsPage() {
   }
 
   return (
-    <div style={{ padding: '24px', maxWidth: '1200px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-lg">
       <h1>Meine Trainer-Bereiche</h1>
       <p style={{ color: 'var(--text2)', marginBottom: '32px' }}>
         Definiere deine Tätigkeitsbereiche für fokussierte Ansichten und Filter.
diff --git a/frontend/src/pages/TrainingFrameworkProgramEditPage.jsx b/frontend/src/pages/TrainingFrameworkProgramEditPage.jsx
index 9ae0677..b4d1b3d 100644
--- a/frontend/src/pages/TrainingFrameworkProgramEditPage.jsx
+++ b/frontend/src/pages/TrainingFrameworkProgramEditPage.jsx
@@ -542,7 +542,7 @@ export default function TrainingFrameworkProgramEditPage() {
 
   if (loading) {
     return (
-      <div style={{ padding: '2rem', textAlign: 'center' }}>
+      <div className="app-page" style={{ padding: '2rem 0', textAlign: 'center' }}>
         <div className="spinner" />
         <p>Laden…</p>
       </div>
@@ -550,7 +550,7 @@ export default function TrainingFrameworkProgramEditPage() {
   }
 
   return (
-    <div style={{ padding: '2rem' }}>
+    <div className="app-page">
       <div className="framework-edit">
         <p style={{ marginBottom: '0.75rem' }}>
           <Link to="/planning/framework-programs" style={{ color: 'var(--accent-dark)' }}>
@@ -672,7 +672,7 @@ export default function TrainingFrameworkProgramEditPage() {
             </div>
           )}
 
-          <div className="form-row" style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: '12px' }}>
+          <div className="responsive-grid-2" style={{ marginBottom: '16px' }}>
             <div>
               <label className="form-label">Zeitraum von</label>
               <input
@@ -693,7 +693,7 @@ export default function TrainingFrameworkProgramEditPage() {
             </div>
           </div>
 
-          <div className="form-row" style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: '12px' }}>
+          <div className="responsive-grid-2" style={{ marginBottom: '16px' }}>
             <div>
               <label className="form-label">Sichtbarkeit</label>
               <select
@@ -736,6 +736,8 @@ export default function TrainingFrameworkProgramEditPage() {
               <div
                 style={{
                   display: 'flex',
+                  flexWrap: 'wrap',
+                  gap: '8px',
                   justifyContent: 'space-between',
                   alignItems: 'center',
                   marginBottom: '0.75rem',
@@ -817,7 +819,7 @@ export default function TrainingFrameworkProgramEditPage() {
             </div>
 
             <div className="card framework-plan-slots" style={{ marginBottom: '1.5rem' }}>
-              <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '0.75rem' }}>
+              <div style={{ display: 'flex', flexWrap: 'wrap', gap: '8px', justifyContent: 'space-between', alignItems: 'center', marginBottom: '0.75rem' }}>
                 <h3 className="card-title" style={{ marginBottom: 0 }}>
                   Session‑Slots & Übungen
                 </h3>
diff --git a/frontend/src/pages/TrainingFrameworkProgramsListPage.jsx b/frontend/src/pages/TrainingFrameworkProgramsListPage.jsx
index 8351a4b..c1ca153 100644
--- a/frontend/src/pages/TrainingFrameworkProgramsListPage.jsx
+++ b/frontend/src/pages/TrainingFrameworkProgramsListPage.jsx
@@ -41,8 +41,7 @@ export default function TrainingFrameworkProgramsListPage() {
   }
 
   return (
-    <div style={{ padding: '2rem' }}>
-      <div style={{ maxWidth: '900px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-md">
         <div
           style={{
             display: 'flex',
@@ -154,7 +153,6 @@ export default function TrainingFrameworkProgramsListPage() {
             ))}
           </ul>
         )}
-      </div>
     </div>
   )
 }
diff --git a/frontend/src/pages/TrainingPlanningPage.jsx b/frontend/src/pages/TrainingPlanningPage.jsx
index 78696d7..c3acd2f 100644
--- a/frontend/src/pages/TrainingPlanningPage.jsx
+++ b/frontend/src/pages/TrainingPlanningPage.jsx
@@ -524,7 +524,7 @@ function TrainingPlanningPage() {
 
   if (loading) {
     return (
-      <div style={{ padding: '2rem', textAlign: 'center' }}>
+      <div className="app-page" style={{ padding: '2rem 0', textAlign: 'center' }}>
         <div className="spinner"></div>
         <p>Laden...</p>
       </div>
@@ -534,8 +534,7 @@ function TrainingPlanningPage() {
   const selectedGroup = groups.find((g) => g.id === parseInt(selectedGroupId, 10))
 
   return (
-    <div style={{ padding: '2rem' }}>
-      <div style={{ maxWidth: '1200px', margin: '0 auto' }}>
+    <div className="app-page app-page--constrained-lg">
         <h1 style={{ marginBottom: '0.35rem' }}>Trainingsplanung</h1>
         <p style={{ color: 'var(--text2)', fontSize: '0.95rem', marginBottom: '1.25rem' }}>
           Wähle eine Trainingsgruppe, lege dann Termine mit Inhalt (Abschnitte und Übungen) an — ein Plan entsteht aus einer oder mehreren{' '}
@@ -730,12 +729,14 @@ function TrainingPlanningPage() {
                 <div
                   style={{
                     display: 'flex',
+                    flexWrap: 'wrap',
                     justifyContent: 'space-between',
-                    alignItems: 'start',
+                    alignItems: 'flex-start',
+                    gap: '12px',
                     marginBottom: '1rem'
                   }}
                 >
-                  <div>
+                  <div style={{ minWidth: 0, flex: '1 1 200px' }}>
                     <h3 style={{ marginBottom: '0.25rem' }}>
                       {unit.planned_date}
                       {unit.planned_time_start &&
@@ -790,7 +791,16 @@ function TrainingPlanningPage() {
                     </div>
                   </div>
 
-                  <div style={{ display: 'flex', gap: '0.5rem', flexWrap: 'wrap' }}>
+                  <div
+                    style={{
+                      display: 'flex',
+                      gap: '0.5rem',
+                      flexWrap: 'wrap',
+                      justifyContent: 'flex-end',
+                      flex: '1 1 180px',
+                      minWidth: 0
+                    }}
+                  >
                     <Link
                       to={`/planning/run/${unit.id}`}
                       className="btn btn-secondary"
@@ -849,12 +859,14 @@ function TrainingPlanningPage() {
               style={{
                 background: 'var(--surface)',
                 borderRadius: '12px',
-                padding: '2rem',
-                maxWidth: '960px',
+                padding: 'clamp(12px, 3vw, 2rem)',
+                maxWidth: 'min(960px, 100%)',
                 width: '100%',
                 maxHeight: '92vh',
                 overflowY: 'auto',
-                margin: '1rem'
+                margin: 'max(0px, env(safe-area-inset-top, 0px)) auto',
+                boxSizing: 'border-box',
+                minWidth: 0
               }}
             >
               <h2 style={{ marginBottom: '1rem' }}>
@@ -885,14 +897,7 @@ function TrainingPlanningPage() {
               <form onSubmit={handleSubmit}>
                 <h3 style={{ marginBottom: '1rem' }}>Planung</h3>
 
-                <div
-                  style={{
-                    display: 'grid',
-                    gridTemplateColumns: '1fr 1fr 1fr',
-                    gap: '1rem',
-                    marginBottom: '1rem'
-                  }}
-                >
+                <div className="responsive-grid-3" style={{ marginBottom: '1rem' }}>
                   <div className="form-row">
                     <label className="form-label">Datum *</label>
                     <input
@@ -1064,12 +1069,13 @@ function TrainingPlanningPage() {
                             key={`ex-${sIdx}-${iIdx}`}
                             style={{
                               display: 'grid',
-                              gridTemplateColumns: '32px minmax(0,1fr) 88px auto',
+                              gridTemplateColumns: '32px minmax(0, 1fr) minmax(0, 72px) 40px',
                               gap: '6px',
                               alignItems: 'start',
                               marginTop: '0.75rem',
                               paddingTop: '0.5rem',
-                              borderTop: '1px solid rgba(0,0,0,0.06)'
+                              borderTop: '1px solid rgba(0,0,0,0.06)',
+                              minWidth: 0
                             }}
                           >
                             <div style={{ display: 'flex', flexDirection: 'column', paddingTop: '6px' }}>
@@ -1267,14 +1273,7 @@ function TrainingPlanningPage() {
                   <>
                     <h3 style={{ marginTop: '0.5rem', marginBottom: '1rem' }}>Durchführung</h3>
 
-                    <div
-                      style={{
-                        display: 'grid',
-                        gridTemplateColumns: '1fr 1fr 1fr 1fr',
-                        gap: '1rem',
-                        marginBottom: '1rem'
-                      }}
-                    >
+                    <div className="responsive-grid-4" style={{ marginBottom: '1rem' }}>
                       <div className="form-row">
                         <label className="form-label">Tatsächliches Datum</label>
                         <input
@@ -1407,7 +1406,6 @@ function TrainingPlanningPage() {
         exerciseId={planningPeekExerciseId}
         onClose={() => setPlanningPeekExerciseId(null)}
       />
-      </div>
     </div>
   )
 }
diff --git a/frontend/src/pages/TrainingUnitRunPage.jsx b/frontend/src/pages/TrainingUnitRunPage.jsx
index 57e10a8..9aa9cc3 100644
--- a/frontend/src/pages/TrainingUnitRunPage.jsx
+++ b/frontend/src/pages/TrainingUnitRunPage.jsx
@@ -141,7 +141,7 @@ export default function TrainingUnitRunPage() {
   }
 
   return (
-    <div className="training-run-page" style={{ maxWidth: '720px', margin: '0 auto', paddingBottom: '2rem' }}>
+    <div className="training-run-page app-page app-page--constrained-sm" style={{ paddingBottom: '2rem' }}>
       <ExercisePeekModal
         open={peekExerciseId != null}
         exerciseId={peekExerciseId}