diff --git a/frontend/src/app.css b/frontend/src/app.css
index c5de1fe..d36f2f7 100644
--- a/frontend/src/app.css
+++ b/frontend/src/app.css
@@ -207,4 +207,32 @@ tr:hover td { background: rgba(255,255,255,0.02); }
   }
   .page { padding: 1rem; }
   .stats { grid-template-columns: repeat(2, 1fr); }
+
+  /* Touch targets */
+  .btn { min-height: 44px; padding: 0.6rem 1rem; }
+  .btn-sm { min-height: 44px; padding: 0.5rem 0.75rem; font-size: 0.85rem; }
+
+  /* Page header & actions */
+  .page-header { flex-wrap: wrap; gap: 0.75rem; }
+  .page-title { width: 100%; }
+  .actions { flex-wrap: wrap; }
+
+  /* Search bar */
+  .search-bar { flex-wrap: wrap; }
+  .search-bar input { max-width: none; flex: 1 1 100%; }
+
+  /* Table → card layout */
+  .table-wrap { overflow-x: visible; }
+  table { display: block; }
+  thead { display: none; }
+  tbody { display: flex; flex-direction: column; gap: 0.5rem; }
+  tr { display: flex; flex-wrap: wrap; gap: 0.25rem 0.75rem; align-items: center;
+       padding: 0.75rem; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
+       background: var(--c-surface); }
+  tr:hover td { background: transparent; }
+  td { display: inline; padding: 0; border: none; }
+  td:empty { display: none; }
+
+  /* Forms */
+  .form-grid { grid-template-columns: 1fr !important; }
 }
diff --git a/frontend/src/pages/Participants.svelte b/frontend/src/pages/Participants.svelte
index 26f5c63..ef2274f 100644
--- a/frontend/src/pages/Participants.svelte
+++ b/frontend/src/pages/Participants.svelte
@@ -243,7 +243,7 @@
   {#if showAdd && canManage}
     <div class="card" style="margin-bottom:1.5rem">
       <form onsubmit={addParticipant}>
-        <div style="display:grid;grid-template-columns:1fr 1fr;gap:1rem">
+        <div class="form-grid" style="display:grid;grid-template-columns:1fr 1fr;gap:1rem">
           <div class="form-group">
             <label for="p-name">Name</label>
             <input id="p-name" bind:value={newName} placeholder="Preferred name" />
@@ -362,7 +362,7 @@
               onclick={mergeMode && mergeSource?.id !== p.id ? () => { mergeTarget = p } : null}
               style={mergeMode && mergeSource?.id !== p.id ? 'cursor:pointer' : ''}
             >
-              <td>
+              <td class="td-name">
                 <strong>{p.preferred_name || '—'}</strong>
                 {#if p.pronouns}
                   <span class="text-muted" style="font-size:0.78rem"> · {p.pronouns}</span>
@@ -397,7 +397,7 @@
                 {/if}
               </td>
               {#if canManage}
-                <td>
+                <td class="td-actions">
                   {#if !mergeMode}
                     <button class="btn btn-ghost btn-sm" onclick={(e) => { e.stopPropagation(); startEdit(p) }}
                       title="Edit participant">✎</button>
@@ -504,4 +504,14 @@
   .edit-fields { display: flex; gap: 0.4rem; flex-wrap: wrap; }
   .edit-fields input { flex: 1; min-width: 120px; font-size: 0.825rem; padding: 0.3rem 0.5rem; width: auto; }
 
+  @media (max-width: 640px) {
+    .td-name { width: 100%; }
+    .td-actions { width: 100%; }
+    .ticket-rows { padding: 0; border: none; border-radius: 0; margin-top: -0.5rem; }
+    .ticket-rows td { width: 100%; }
+    .ticket-row { flex-direction: column; gap: 0.35rem; }
+    .ticket-row div:last-child { text-align: left; }
+    .edit-row { padding: 0.75rem; }
+    .edit-row td { width: 100%; }
+  }
 </style>
diff --git a/frontend/src/pages/Users.svelte b/frontend/src/pages/Users.svelte
index c683fb9..c649964 100644
--- a/frontend/src/pages/Users.svelte
+++ b/frontend/src/pages/Users.svelte
@@ -148,7 +148,7 @@
   {#if showAdd}
     <div class="card" style="margin-bottom:1.5rem">
       <form onsubmit={addUser}>
-        <div style="display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem">
+        <div class="form-grid" style="display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem">
           <div class="form-group">
             <label for="u-username">Username *</label>
             <input id="u-username" bind:value={newUsername} required placeholder="username" autocomplete="off" />
@@ -213,8 +213,8 @@
         <tbody>
           {#each users as u (u.id)}
             {#if editID === u.id}
-              <tr>
-                <td><strong>{u.username}</strong> {#if u.id === me}<span class="badge badge-role">you</span>{/if}</td>
+              <tr class="edit-row">
+                <td class="td-name"><strong>{u.username}</strong> {#if u.id === me}<span class="badge badge-role">you</span>{/if}</td>
                 <td>
                   <select bind:value={editRole} style="width:auto;margin:0">
                     {#each roles as r}
@@ -239,7 +239,7 @@
                     placeholder="New password (leave blank to keep)"
                     style="margin-top:0.5rem" autocomplete="new-password" />
                 </td>
-                <td>
+                <td class="td-actions">
                   <div class="actions">
                     <button class="btn btn-primary btn-sm" onclick={() => saveUser(u)} disabled={saving}>
                       {saving ? '…' : 'Save'}
@@ -250,7 +250,7 @@
               </tr>
             {:else}
               <tr>
-                <td>
+                <td class="td-name">
                   <strong>{u.username}</strong>
                   {#if u.id === me}
                     <span class="badge badge-role" style="margin-left:0.4rem">you</span>
@@ -258,7 +258,7 @@
                 </td>
                 <td><span class="badge badge-role">{roleLabel(u.role)}</span></td>
                 <td class="text-muted">{deptNamesFor(u.department_ids || [])}</td>
-                <td>
+                <td class="td-actions">
                   <div class="actions">
                     <button class="btn btn-ghost btn-sm" onclick={() => startEdit(u)}>Edit</button>
                     {#if u.id !== me}
@@ -274,3 +274,11 @@
     </div>
   {/if}
 </div>
+
+<style>
+  @media (max-width: 640px) {
+    .td-name { width: 100%; }
+    .td-actions { width: 100%; }
+    .edit-row td { width: 100%; }
+  }
+</style>
diff --git a/frontend/src/pages/Volunteers.svelte b/frontend/src/pages/Volunteers.svelte
index 1e6eea4..8e5827a 100644
--- a/frontend/src/pages/Volunteers.svelte
+++ b/frontend/src/pages/Volunteers.svelte
@@ -132,7 +132,7 @@
   {#if showAdd && canManage}
     <div class="card" style="margin-bottom:1.5rem">
       <form onsubmit={addVolunteer}>
-        <div style="display:grid;grid-template-columns:1fr 1fr;gap:1rem">
+        <div class="form-grid" style="display:grid;grid-template-columns:1fr 1fr;gap:1rem">
           <div class="form-group">
             <label for="v-name">Name *</label>
             <input id="v-name" bind:value={newName} required placeholder="Full name" />
@@ -213,7 +213,7 @@
             {@const dept = deptFor(v.department_id)}
             {@const participant = participantFor(v.participant_id)}
             <tr>
-              <td>
+              <td class="td-name">
                 <strong>{v.name}</strong>
                 {#if v.is_lead}
                   <span class="badge badge-lead" style="margin-left:0.4rem">Co-Lead</span>
@@ -245,13 +245,13 @@
                   </div>
                 {/if}
               </td>
-              <td>
+              <td class="td-ready">
                 {#if !v.checked_in}
                   <CheckInButton onclick={() => checkIn(v)} />
                 {/if}
               </td>
               {#if canManage}
-                <td>
+                <td class="td-actions">
                   <button class="btn btn-ghost btn-sm" onclick={() => toggleLead(v)}
                     title={v.is_lead ? 'Remove co-lead' : 'Mark as co-lead'}>
                     {v.is_lead ? '− Co-Lead' : '+ Co-Lead'}
@@ -266,3 +266,11 @@
     </div>
   {/if}
 </div>
+
+<style>
+  @media (max-width: 640px) {
+    .td-name { width: 100%; }
+    .td-ready { width: 100%; }
+    .td-actions { width: 100%; }
+  }
+</style>