diff --git a/frontend/src/components/calendar/CalendarPage.tsx b/frontend/src/components/calendar/CalendarPage.tsx
index b8f4996..c1cef0f 100644
--- a/frontend/src/components/calendar/CalendarPage.tsx
+++ b/frontend/src/components/calendar/CalendarPage.tsx
@@ -16,6 +16,7 @@ import { useCalendars } from '@/hooks/useCalendars';
 import { useSettings } from '@/hooks/useSettings';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
+import { Select } from '@/components/ui/select';
 import CalendarSidebar from './CalendarSidebar';
 import EventDetailPanel from './EventDetailPanel';
 import type { CreateDefaults } from './EventDetailPanel';
@@ -478,7 +479,7 @@ export default function CalendarPage() {
 
       <div ref={calendarContainerRef} className="flex-1 flex flex-col overflow-hidden">
         {/* Custom toolbar */}
-        <div className="border-b bg-card px-4 md:px-6 h-16 flex items-center gap-4 shrink-0">
+        <div className="border-b bg-card px-4 md:px-6 min-h-[4rem] flex items-center gap-2 md:gap-4 flex-wrap py-2 md:py-0 md:h-16 md:flex-nowrap shrink-0">
           <div className="flex items-center gap-1">
             <Button variant="ghost" size="icon" className="h-8 w-8" onClick={navigatePrev}>
               <ChevronLeft className="h-4 w-4" />
@@ -491,7 +492,17 @@ export default function CalendarPage() {
             Today
           </Button>
 
-          <div className="flex items-center rounded-md border border-border overflow-hidden">
+          <Select
+            value={currentView}
+            onChange={(e) => changeView(e.target.value as CalendarView)}
+            className="h-8 text-sm w-auto md:hidden"
+          >
+            {(Object.entries(viewLabels) as [CalendarView, string][]).map(([view, label]) => (
+              <option key={view} value={view}>{label}</option>
+            ))}
+          </Select>
+
+          <div className="hidden md:flex items-center rounded-md border border-border overflow-hidden">
             {(Object.entries(viewLabels) as [CalendarView, string][]).map(([view, label]) => (
               <button
                 key={view}
@@ -511,12 +522,12 @@ export default function CalendarPage() {
             ))}
           </div>
 
-          <h2 className="text-lg font-semibold font-heading">{calendarTitle}</h2>
+          <h2 className="text-lg font-semibold font-heading hidden sm:block">{calendarTitle}</h2>
 
           <div className="flex-1" />
 
           {/* Event search */}
-          <div className="relative">
+          <div className="relative hidden md:block">
             <Search className="absolute left-2.5 top-1/2 -translate-y-1/2 h-3.5 w-3.5 text-muted-foreground" />
             <Input
               placeholder="Search events..."
@@ -553,8 +564,7 @@ export default function CalendarPage() {
           </div>
 
           <Button size="sm" onClick={handleCreateNew}>
-            <Plus className="mr-2 h-4 w-4" />
-            Create Event
+            <Plus className="h-4 w-4 md:mr-2" /><span className="hidden md:inline">Create Event</span>
           </Button>
         </div>
 
diff --git a/frontend/src/components/locations/LocationsPage.tsx b/frontend/src/components/locations/LocationsPage.tsx
index f40de57..3bc6206 100644
--- a/frontend/src/components/locations/LocationsPage.tsx
+++ b/frontend/src/components/locations/LocationsPage.tsx
@@ -285,10 +285,10 @@ export default function LocationsPage() {
   return (
     <div className="flex flex-col h-full animate-fade-in">
       {/* Header */}
-      <div className="border-b bg-card px-4 md:px-6 h-16 flex items-center gap-4 shrink-0">
+      <div className="border-b bg-card px-4 md:px-6 min-h-[4rem] flex items-center gap-4 flex-wrap py-2 md:py-0 md:h-16 md:flex-nowrap shrink-0">
         <h1 className="font-heading text-2xl font-bold tracking-tight">Locations</h1>
 
-        <div className="flex-1 min-w-0">
+        <div className="w-full md:flex-1 md:w-auto min-w-0 order-last md:order-none">
           <CategoryFilterBar
             categories={orderedCategories}
             activeFilters={activeFilters}
@@ -305,8 +305,7 @@ export default function LocationsPage() {
         </div>
 
         <Button onClick={() => setShowForm(true)} size="sm" aria-label="Add location">
-          <Plus className="mr-2 h-4 w-4" />
-          Add Location
+          <Plus className="h-4 w-4 md:mr-2" /><span className="hidden md:inline">Add Location</span>
         </Button>
       </div>
 
diff --git a/frontend/src/components/people/PeoplePage.tsx b/frontend/src/components/people/PeoplePage.tsx
index 595eb6c..133240e 100644
--- a/frontend/src/components/people/PeoplePage.tsx
+++ b/frontend/src/components/people/PeoplePage.tsx
@@ -555,9 +555,9 @@ export default function PeoplePage() {
   return (
     <div className="flex flex-col h-full animate-fade-in">
       {/* Header */}
-      <div className="border-b bg-card px-4 md:px-6 h-16 flex items-center gap-4 shrink-0">
+      <div className="border-b bg-card px-4 md:px-6 min-h-[4rem] flex items-center gap-4 flex-wrap py-2 md:py-0 md:h-16 md:flex-nowrap shrink-0">
         <h1 className="font-heading text-2xl font-bold tracking-tight">People</h1>
-        <div className="flex-1 min-w-0">
+        <div className="w-full md:flex-1 md:w-auto min-w-0 order-last md:order-none">
           <CategoryFilterBar
             activeFilters={activeFilters}
             pinnedLabel="Favourites"
@@ -587,8 +587,7 @@ export default function PeoplePage() {
               aria-label="Add person"
               className="rounded-r-none"
             >
-              <Plus className="mr-2 h-4 w-4" />
-              Add Person
+              <Plus className="h-4 w-4 md:mr-2" /><span className="hidden md:inline">Add Person</span>
             </Button>
             <Button
               size="sm"
diff --git a/frontend/src/components/projects/ProjectDetail.tsx b/frontend/src/components/projects/ProjectDetail.tsx
index 91ca653..cb849df 100644
--- a/frontend/src/components/projects/ProjectDetail.tsx
+++ b/frontend/src/components/projects/ProjectDetail.tsx
@@ -345,7 +345,7 @@ export default function ProjectDetail() {
   if (isLoading) {
     return (
       <div className="flex flex-col h-full animate-fade-in">
-        <div className="border-b bg-card px-4 md:px-6 h-16 flex items-center gap-4 shrink-0">
+        <div className="border-b bg-card px-4 md:px-6 min-h-[4rem] flex items-center gap-2 md:gap-4 flex-wrap py-2 md:py-0 md:h-16 md:flex-nowrap shrink-0">
           <Button variant="ghost" size="icon" onClick={() => navigate('/projects')}>
             <ArrowLeft className="h-5 w-5" />
           </Button>
@@ -396,8 +396,7 @@ export default function ProjectDetail() {
           <Pin className={`h-4 w-4 ${project.is_tracked ? 'fill-current' : ''}`} />
         </Button>
         <Button variant="outline" size="sm" onClick={() => setShowProjectForm(true)}>
-          <Pencil className="mr-2 h-3.5 w-3.5" />
-          Edit
+          <Pencil className="h-3.5 w-3.5 md:mr-2" /><span className="hidden md:inline">Edit</span>
         </Button>
         <Button
           variant="ghost"
@@ -409,8 +408,7 @@ export default function ProjectDetail() {
           }}
           disabled={deleteProjectMutation.isPending}
         >
-          <Trash2 className="mr-2 h-3.5 w-3.5" />
-          Delete
+          <Trash2 className="h-3.5 w-3.5 md:mr-2" /><span className="hidden md:inline">Delete</span>
         </Button>
       </div>
 
@@ -490,7 +488,7 @@ export default function ProjectDetail() {
         </div>
 
         {/* Task list header + view controls */}
-        <div className="px-4 md:px-6 pb-3 flex items-center justify-between shrink-0">
+        <div className="px-4 md:px-6 pb-3 flex items-center justify-between flex-wrap gap-2 shrink-0">
           <h2 className="font-heading text-lg font-semibold">Tasks</h2>
           <div className="flex items-center gap-2">
             {/* View toggle */}
diff --git a/frontend/src/components/projects/ProjectsPage.tsx b/frontend/src/components/projects/ProjectsPage.tsx
index f2cf87b..b172aa6 100644
--- a/frontend/src/components/projects/ProjectsPage.tsx
+++ b/frontend/src/components/projects/ProjectsPage.tsx
@@ -5,6 +5,7 @@ import { useQuery } from '@tanstack/react-query';
 import api from '@/lib/api';
 import type { Project } from '@/types';
 import { Button } from '@/components/ui/button';
+import { Select } from '@/components/ui/select';
 import { Input } from '@/components/ui/input';
 import { Card, CardContent } from '@/components/ui/card';
 import { GridSkeleton } from '@/components/ui/skeleton';
@@ -70,10 +71,19 @@ export default function ProjectsPage() {
   return (
     <div className="flex flex-col h-full animate-fade-in">
       {/* Header */}
-      <div className="border-b bg-card px-4 md:px-6 h-16 flex items-center gap-4 shrink-0">
+      <div className="border-b bg-card px-4 md:px-6 min-h-[4rem] flex items-center gap-4 flex-wrap py-2 md:py-0 md:h-16 md:flex-nowrap shrink-0">
         <h1 className="font-heading text-2xl font-bold tracking-tight">Projects</h1>
 
-        <div className="flex items-center rounded-md border border-border overflow-hidden ml-4">
+        <Select
+          value={statusFilter}
+          onChange={(e) => setStatusFilter(e.target.value as typeof statusFilter)}
+          className="h-8 text-sm w-auto md:hidden"
+        >
+          {statusFilters.map((sf) => (
+            <option key={sf.value} value={sf.value}>{sf.label}</option>
+          ))}
+        </Select>
+        <div className="hidden md:flex items-center rounded-md border border-border overflow-hidden ml-4">
           {statusFilters.map((sf) => (
             <button
               key={sf.value}
@@ -95,7 +105,7 @@ export default function ProjectsPage() {
 
         <div className="flex-1" />
 
-        <div className="relative">
+        <div className="relative hidden md:block">
           <Search className="absolute left-2.5 top-1/2 -translate-y-1/2 h-3.5 w-3.5 text-muted-foreground" />
           <Input
             placeholder="Search..."
@@ -106,8 +116,7 @@ export default function ProjectsPage() {
         </div>
 
         <Button onClick={() => setShowForm(true)} size="sm">
-          <Plus className="mr-2 h-4 w-4" />
-          New Project
+          <Plus className="h-4 w-4 md:mr-2" /><span className="hidden md:inline">New Project</span>
         </Button>
       </div>
 
diff --git a/frontend/src/components/reminders/RemindersPage.tsx b/frontend/src/components/reminders/RemindersPage.tsx
index c88f391..55f892a 100644
--- a/frontend/src/components/reminders/RemindersPage.tsx
+++ b/frontend/src/components/reminders/RemindersPage.tsx
@@ -6,6 +6,7 @@ import { isPast, isToday, parseISO } from 'date-fns';
 import api from '@/lib/api';
 import type { Reminder } from '@/types';
 import { Button } from '@/components/ui/button';
+import { Select } from '@/components/ui/select';
 import { Input } from '@/components/ui/input';
 import { Card, CardContent } from '@/components/ui/card';
 import { ListSkeleton } from '@/components/ui/skeleton';
@@ -99,10 +100,19 @@ export default function RemindersPage() {
   return (
     <div className="flex flex-col h-full animate-fade-in">
       {/* Header */}
-      <div className="border-b bg-card px-4 md:px-6 h-16 flex items-center gap-4 shrink-0">
+      <div className="border-b bg-card px-4 md:px-6 min-h-[4rem] flex items-center gap-4 flex-wrap py-2 md:py-0 md:h-16 md:flex-nowrap shrink-0">
         <h1 className="font-heading text-2xl font-bold tracking-tight">Reminders</h1>
 
-        <div className="flex items-center rounded-md border border-border overflow-hidden ml-4">
+        <Select
+          value={filter}
+          onChange={(e) => setFilter(e.target.value as typeof filter)}
+          className="h-8 text-sm w-auto md:hidden"
+        >
+          {statusFilters.map((sf) => (
+            <option key={sf.value} value={sf.value}>{sf.label}</option>
+          ))}
+        </Select>
+        <div className="hidden md:flex items-center rounded-md border border-border overflow-hidden ml-4">
           {statusFilters.map((sf) => (
             <button
               key={sf.value}
@@ -125,7 +135,7 @@ export default function RemindersPage() {
 
         <div className="flex-1" />
 
-        <div className="relative">
+        <div className="relative hidden md:block">
           <Search className="absolute left-2.5 top-1/2 -translate-y-1/2 h-3.5 w-3.5 text-muted-foreground" />
           <Input
             placeholder="Search..."
@@ -136,8 +146,7 @@ export default function RemindersPage() {
         </div>
 
         <Button onClick={handleCreateNew} size="sm">
-          <Plus className="mr-2 h-4 w-4" />
-          Add Reminder
+          <Plus className="h-4 w-4 md:mr-2" /><span className="hidden md:inline">Add Reminder</span>
         </Button>
       </div>
 
diff --git a/frontend/src/components/todos/TodosPage.tsx b/frontend/src/components/todos/TodosPage.tsx
index 1656c19..57356ac 100644
--- a/frontend/src/components/todos/TodosPage.tsx
+++ b/frontend/src/components/todos/TodosPage.tsx
@@ -6,6 +6,7 @@ import api from '@/lib/api';
 import type { Todo } from '@/types';
 import { isTodoOverdue } from '@/lib/utils';
 import { Button } from '@/components/ui/button';
+import { Select } from '@/components/ui/select';
 import { Card, CardContent } from '@/components/ui/card';
 import { ListSkeleton } from '@/components/ui/skeleton';
 import { CategoryFilterBar } from '@/components/shared';
@@ -128,11 +129,20 @@ export default function TodosPage() {
   return (
     <div className="flex flex-col h-full animate-fade-in">
       {/* Header */}
-      <div className="border-b bg-card px-4 md:px-6 h-16 flex items-center gap-4 shrink-0">
+      <div className="border-b bg-card px-4 md:px-6 min-h-[4rem] flex items-center gap-4 flex-wrap py-2 md:py-0 md:h-16 md:flex-nowrap shrink-0">
         <h1 className="font-heading text-2xl font-bold tracking-tight">Todos</h1>
 
         {/* Priority filter */}
-        <div className="flex items-center rounded-md border border-border overflow-hidden ml-4">
+        <Select
+          value={priorityFilter}
+          onChange={(e) => setPriorityFilter(e.target.value as typeof priorityFilter)}
+          className="h-8 text-sm w-auto md:hidden"
+        >
+          {priorityFilters.map((pf) => (
+            <option key={pf.value} value={pf.value}>{pf.label}</option>
+          ))}
+        </Select>
+        <div className="hidden md:flex items-center rounded-md border border-border overflow-hidden ml-4">
           {priorityFilters.map((pf) => (
             <button
               key={pf.value}
@@ -154,7 +164,7 @@ export default function TodosPage() {
         </div>
 
         {/* Category filter bar (All + Completed + Categories with drag) */}
-        <div className="flex-1 min-w-0">
+        <div className="w-full md:flex-1 md:w-auto min-w-0 order-last md:order-none">
           <CategoryFilterBar
             activeFilters={activeFilters}
             pinnedLabel="Completed"
@@ -171,8 +181,7 @@ export default function TodosPage() {
         </div>
 
         <Button onClick={handleCreateNew} size="sm">
-          <Plus className="mr-2 h-4 w-4" />
-          Add Todo
+          <Plus className="h-4 w-4 md:mr-2" /><span className="hidden md:inline">Add Todo</span>
         </Button>
       </div>