diff --git a/client/src/components/Planner/DayPlanSidebar.tsx b/client/src/components/Planner/DayPlanSidebar.tsx
index 9bc511a..ba64b07 100644
--- a/client/src/components/Planner/DayPlanSidebar.tsx
+++ b/client/src/components/Planner/DayPlanSidebar.tsx
@@ -811,14 +811,14 @@ export default function DayPlanSidebar({
                     />
                   ) : (
                     <div style={{ display: 'flex', alignItems: 'center', gap: 5, minWidth: 0 }}>
-                      <span style={{ fontSize: 13, fontWeight: 600, color: 'var(--text-primary)', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', flexShrink: 1, minWidth: 0 }}>
+                      <span style={{ fontSize: 14, fontWeight: 600, color: 'var(--text-primary)', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', flexShrink: 1, minWidth: 0 }}>
                         {day.title || t('dayplan.dayN', { n: index + 1 })}
                       </span>
                       <button
                         onClick={e => startEditTitle(day, e)}
-                        style={{ flexShrink: 0, background: 'none', border: 'none', padding: '2px', cursor: 'pointer', opacity: 0.35, display: 'flex', alignItems: 'center' }}
+                        style={{ flexShrink: 0, background: 'none', border: 'none', padding: '4px', cursor: 'pointer', opacity: 0.35, display: 'flex', alignItems: 'center' }}
                       >
-                        <Pencil size={10} strokeWidth={1.8} color="var(--text-secondary)" />
+                        <Pencil size={15} strokeWidth={1.8} color="var(--text-secondary)" />
                       </button>
                       {(() => {
                         const dayAccs = accommodations.filter(a => day.id >= a.start_day_id && day.id <= a.end_day_id)
@@ -866,17 +866,17 @@ export default function DayPlanSidebar({
                 <button
                   onClick={e => openAddNote(day.id, e)}
                   title={t('dayplan.addNote')}
-                  style={{ flexShrink: 0, background: 'none', border: 'none', padding: 4, cursor: 'pointer', display: 'flex', alignItems: 'center', color: 'var(--text-faint)' }}
+                  style={{ flexShrink: 0, background: 'none', border: 'none', padding: 6, cursor: 'pointer', display: 'flex', alignItems: 'center', color: 'var(--text-faint)' }}
                   onMouseEnter={e => e.currentTarget.style.color = 'var(--text-primary)'}
                   onMouseLeave={e => e.currentTarget.style.color = 'var(--text-faint)'}
                 >
-                  <FileText size={13} strokeWidth={2} />
+                  <FileText size={16} strokeWidth={2} />
                 </button>
                 <button
                   onClick={e => toggleDay(day.id, e)}
-                  style={{ flexShrink: 0, background: 'none', border: 'none', padding: 4, cursor: 'pointer', display: 'flex', alignItems: 'center', color: 'var(--text-faint)' }}
+                  style={{ flexShrink: 0, background: 'none', border: 'none', padding: 6, cursor: 'pointer', display: 'flex', alignItems: 'center', color: 'var(--text-faint)' }}
                 >
-                  {isExpanded ? <ChevronDown size={15} strokeWidth={2} /> : <ChevronRight size={15} strokeWidth={2} />}
+                  {isExpanded ? <ChevronDown size={18} strokeWidth={2} /> : <ChevronRight size={18} strokeWidth={2} />}
                 </button>
               </div>
 
@@ -1408,7 +1408,7 @@ export default function DayPlanSidebar({
       {/* Notiz-Popup-Modal — über Portal gerendert, um den backdropFilter-Stapelkontext zu umgehen */}
       {Object.entries(noteUi).map(([dayId, ui]) => ui && ReactDOM.createPortal(
         <div key={dayId} style={{
-          position: 'fixed', inset: 0, zIndex: 1000,
+          position: 'fixed', inset: 0, zIndex: 10000,
           display: 'flex', alignItems: 'center', justifyContent: 'center',
           background: 'rgba(0,0,0,0.3)', backdropFilter: 'blur(3px)',
         }} onClick={() => cancelNote(Number(dayId))}>
@@ -1425,8 +1425,8 @@ export default function DayPlanSidebar({
               {NOTE_ICONS.map(({ id, Icon }) => (
                 <button key={id} onClick={() => setNoteUi(prev => ({ ...prev, [dayId]: { ...prev[dayId], icon: id } }))}
                   title={id}
-                  style={{ width: 34, height: 34, borderRadius: 8, border: ui.icon === id ? '2px solid var(--text-primary)' : '2px solid var(--border-faint)', background: ui.icon === id ? 'var(--bg-hover)' : 'transparent', cursor: 'pointer', display: 'flex', alignItems: 'center', justifyContent: 'center', padding: 0 }}>
-                  <Icon size={15} strokeWidth={1.8} color={ui.icon === id ? 'var(--text-primary)' : 'var(--text-muted)'} />
+                  style={{ width: 45, height: 45, borderRadius: 8, border: ui.icon === id ? '2px solid var(--text-primary)' : '2px solid var(--border-faint)', background: ui.icon === id ? 'var(--bg-hover)' : 'transparent', cursor: 'pointer', display: 'flex', alignItems: 'center', justifyContent: 'center', padding: 0 }}>
+                  <Icon size={18} strokeWidth={1.8} color={ui.icon === id ? 'var(--text-primary)' : 'var(--text-muted)'} />
                 </button>
               ))}
             </div>
@@ -1448,7 +1448,7 @@ export default function DayPlanSidebar({
               placeholder={t('dayplan.noteSubtitle')}
               style={{ fontSize: 12, border: '1px solid var(--border-primary)', borderRadius: 8, padding: '7px 10px', fontFamily: 'inherit', outline: 'none', width: '100%', boxSizing: 'border-box', color: 'var(--text-primary)', resize: 'none', lineHeight: 1.4 }}
             />
-            <div style={{ textAlign: 'right', fontSize: 9, color: (ui.time?.length || 0) >= 140 ? '#d97706' : 'var(--text-faint)', marginTop: -2 }}>{ui.time?.length || 0}/150</div>
+            <div style={{ textAlign: 'right', fontSize: 11, color: (ui.time?.length || 0) >= 140 ? '#d97706' : 'var(--text-faint)', marginTop: -2 }}>{ui.time?.length || 0}/150</div>
             <div style={{ display: 'flex', gap: 8, justifyContent: 'flex-end' }}>
               <button onClick={() => cancelNote(Number(dayId))} style={{ fontSize: 12, background: 'none', border: '1px solid var(--border-primary)', borderRadius: 8, padding: '6px 14px', cursor: 'pointer', color: 'var(--text-muted)', fontFamily: 'inherit' }}>{t('common.cancel')}</button>
               <button onClick={() => saveNote(Number(dayId))} style={{ fontSize: 12, background: 'var(--accent)', color: 'var(--accent-text)', border: 'none', borderRadius: 8, padding: '6px 16px', cursor: 'pointer', fontWeight: 600, fontFamily: 'inherit' }}>
diff --git a/client/src/pages/TripPlannerPage.tsx b/client/src/pages/TripPlannerPage.tsx
index 7636a86..5e48167 100644
--- a/client/src/pages/TripPlannerPage.tsx
+++ b/client/src/pages/TripPlannerPage.tsx
@@ -98,6 +98,14 @@ export default function TripPlannerPage(): React.ReactElement | null {
   const [mobileSidebarOpen, setMobileSidebarOpen] = useState<'left' | 'right' | null>(null)
   const [deletePlaceId, setDeletePlaceId] = useState<number | null>(null)
 
+  const [isMobile, setIsMobile] = useState(() => window.innerWidth < 768)
+  useEffect(() => {
+    const mq = window.matchMedia('(max-width: 767px)')
+    const handler = (e: MediaQueryListEvent) => setIsMobile(e.matches)
+    mq.addEventListener('change', handler)
+    return () => mq.removeEventListener('change', handler)
+  }, [])
+
   // Load trip + files (needed for place inspector file section)
   useEffect(() => {
     if (tripId) {
@@ -544,8 +552,8 @@ export default function TripPlannerPage(): React.ReactElement | null {
                   lng={geoPlace?.lng}
                   onClose={() => setShowDayDetail(null)}
                   onAccommodationChange={loadAccommodations}
-                  leftWidth={leftCollapsed ? 0 : leftWidth}
-                  rightWidth={rightCollapsed ? 0 : rightWidth}
+                  leftWidth={isMobile ? 0 : (leftCollapsed ? 0 : leftWidth)}
+                  rightWidth={isMobile ? 0 : (rightCollapsed ? 0 : rightWidth)}
                 />
               )
             })()}