diff --git a/client/src/components/Planner/DayPlanSidebar.tsx b/client/src/components/Planner/DayPlanSidebar.tsx
index 967cbfcc..3b7a5a22 100644
--- a/client/src/components/Planner/DayPlanSidebar.tsx
+++ b/client/src/components/Planner/DayPlanSidebar.tsx
@@ -14,6 +14,7 @@ import PlaceAvatar from '../shared/PlaceAvatar'
 import { useContextMenu, ContextMenu } from '../shared/ContextMenu'
 import Markdown from 'react-markdown'
 import remarkGfm from 'remark-gfm'
+import remarkBreaks from 'remark-breaks'
 import WeatherWidget from '../Weather/WeatherWidget'
 import { useToast } from '../shared/Toast'
 import { getCategoryIcon } from '../shared/categoryIcons'
@@ -2228,7 +2229,7 @@ const DayPlanSidebar = React.memo(function DayPlanSidebar({
                   {res.notes && (
                     <div style={{ padding: '8px 10px', background: 'var(--bg-tertiary)', borderRadius: 8 }}>
                       <div style={{ fontSize: 9, fontWeight: 600, color: 'var(--text-faint)', textTransform: 'uppercase', letterSpacing: '0.03em', marginBottom: 3 }}>{t('reservations.notes')}</div>
-                      <div className="collab-note-md" style={{ fontSize: 12, color: 'var(--text-primary)', wordBreak: 'break-word' }}><Markdown remarkPlugins={[remarkGfm]}>{res.notes}</Markdown></div>
+                      <div className="collab-note-md" style={{ fontSize: 12, color: 'var(--text-primary)', wordBreak: 'break-word', overflowWrap: 'anywhere' }}><Markdown remarkPlugins={[remarkGfm, remarkBreaks]}>{res.notes}</Markdown></div>
                     </div>
                   )}
 
diff --git a/client/src/components/Planner/PlaceInspector.tsx b/client/src/components/Planner/PlaceInspector.tsx
index be1da19b..9e09f1ff 100644
--- a/client/src/components/Planner/PlaceInspector.tsx
+++ b/client/src/components/Planner/PlaceInspector.tsx
@@ -2,6 +2,7 @@ import React, { useState, useEffect, useRef, useCallback, useMemo } from 'react'
 import { openFile } from '../../utils/fileDownload'
 import Markdown from 'react-markdown'
 import remarkGfm from 'remark-gfm'
+import remarkBreaks from 'remark-breaks'
 import { X, Clock, MapPin, ExternalLink, Phone, Euro, Edit2, Trash2, Plus, Minus, ChevronDown, ChevronUp, FileText, Upload, File, FileImage, Star, Navigation, Users, Mountain, TrendingUp } from 'lucide-react'
 import PlaceAvatar from '../shared/PlaceAvatar'
 import { mapsApi } from '../../api/client'
@@ -349,8 +350,8 @@ export default function PlaceInspector({
 
           {/* Notes */}
           {place.notes && (
-            <div className="collab-note-md" style={{ background: 'var(--bg-hover)', borderRadius: 10, overflow: 'hidden', fontSize: 12, color: 'var(--text-muted)', lineHeight: '1.5', padding: '8px 12px' }}>
-              <Markdown remarkPlugins={[remarkGfm]}>{place.notes}</Markdown>
+            <div className="collab-note-md" style={{ background: 'var(--bg-hover)', borderRadius: 10, overflow: 'hidden', fontSize: 12, color: 'var(--text-muted)', lineHeight: '1.5', padding: '8px 12px', wordBreak: 'break-word', overflowWrap: 'anywhere' }}>
+              <Markdown remarkPlugins={[remarkGfm, remarkBreaks]}>{place.notes}</Markdown>
             </div>
           )}
 
@@ -399,7 +400,7 @@ export default function PlaceInspector({
                           </div>
                         )}
                       </div>
-                      {res.notes && <div className="collab-note-md" style={{ padding: '0 10px 6px', fontSize: 10, color: 'var(--text-faint)', lineHeight: 1.4 }}><Markdown remarkPlugins={[remarkGfm]}>{res.notes}</Markdown></div>}
+                      {res.notes && <div className="collab-note-md" style={{ padding: '0 10px 6px', fontSize: 10, color: 'var(--text-faint)', lineHeight: 1.4, wordBreak: 'break-word', overflowWrap: 'anywhere' }}><Markdown remarkPlugins={[remarkGfm, remarkBreaks]}>{res.notes}</Markdown></div>}
                       {(() => {
                         const meta = typeof res.metadata === 'string' ? JSON.parse(res.metadata || '{}') : (res.metadata || {})
                         if (!meta || Object.keys(meta).length === 0) return null
diff --git a/client/src/components/Planner/ReservationsPanel.tsx b/client/src/components/Planner/ReservationsPanel.tsx
index 770d36a5..7dc1a686 100644
--- a/client/src/components/Planner/ReservationsPanel.tsx
+++ b/client/src/components/Planner/ReservationsPanel.tsx
@@ -11,6 +11,9 @@ import {
   ExternalLink, BookMarked, Lightbulb, Link2, Clock, ArrowRight, AlertCircle,
 } from 'lucide-react'
 import { openFile } from '../../utils/fileDownload'
+import Markdown from 'react-markdown'
+import remarkGfm from 'remark-gfm'
+import remarkBreaks from 'remark-breaks'
 import type { Reservation, Day, TripFile, AssignmentsMap } from '../../types'
 
 interface AssignmentLookupEntry {
@@ -364,7 +367,9 @@ function ReservationCard({ r, tripId, onEdit, onDelete, files = [], onNavigateTo
         {r.notes && (
           <div>
             <div style={fieldLabelStyle}>{t('reservations.notes')}</div>
-            <div style={{ ...fieldValueStyle, fontWeight: 400, lineHeight: 1.5 }}>{r.notes}</div>
+            <div className="collab-note-md" style={{ ...fieldValueStyle, fontWeight: 400, lineHeight: 1.5, wordBreak: 'break-word', overflowWrap: 'anywhere' }}>
+              <Markdown remarkPlugins={[remarkGfm, remarkBreaks]}>{r.notes}</Markdown>
+            </div>
           </div>
         )}
 
diff --git a/client/src/index.css b/client/src/index.css
index 4332ffdc..01341c38 100644
--- a/client/src/index.css
+++ b/client/src/index.css
@@ -807,7 +807,7 @@ img[alt="TREK"] {
 .collab-note-md code, .collab-note-md-full code { font-size: 0.9em; padding: 1px 5px; border-radius: 4px; background: var(--bg-secondary); }
 .collab-note-md-full pre { padding: 10px 12px; border-radius: 8px; background: var(--bg-secondary); overflow-x: auto; margin: 0.5em 0; }
 .collab-note-md-full pre code { padding: 0; background: none; }
-.collab-note-md a, .collab-note-md-full a { color: #3b82f6; text-decoration: underline; }
+.collab-note-md a, .collab-note-md-full a { color: #3b82f6; text-decoration: underline; word-break: break-all; }
 .collab-note-md blockquote, .collab-note-md-full blockquote { border-left: 3px solid var(--border-primary); padding-left: 12px; margin: 0.5em 0; color: var(--text-muted); }
 .collab-note-md-full table { border-collapse: collapse; width: 100%; margin: 0.5em 0; }
 .collab-note-md-full th, .collab-note-md-full td { border: 1px solid var(--border-primary); padding: 4px 8px; font-size: 0.9em; }