diff --git a/packages/frontend/src/routes/admin/+layout.svelte b/packages/frontend/src/routes/admin/+layout.svelte
index c77ff96..21ca337 100644
--- a/packages/frontend/src/routes/admin/+layout.svelte
+++ b/packages/frontend/src/routes/admin/+layout.svelte
@@ -16,9 +16,31 @@
 
 <div class="min-h-screen bg-background">
   <div class="container mx-auto px-4">
+
+    <!-- Mobile top nav -->
+    <div class="lg:hidden flex items-center gap-2 py-3 border-b border-border/40">
+      <a href="/" class="text-xs text-muted-foreground hover:text-foreground transition-colors shrink-0 mr-2">
+        ← Back
+      </a>
+      {#each navLinks as link (link.href)}
+        <a
+          href={link.href}
+          class={`flex items-center gap-1.5 rounded-lg px-3 py-1.5 text-sm font-medium transition-colors ${
+            isActive(link.href)
+              ? "bg-primary/10 text-primary"
+              : "text-muted-foreground hover:text-foreground hover:bg-muted/50"
+          }`}
+        >
+          <span class={`${link.icon} h-4 w-4`}></span>
+          {link.name}
+        </a>
+      {/each}
+    </div>
+
+    <!-- Desktop layout -->
     <div class="flex min-h-screen">
-      <!-- Sidebar -->
-      <aside class="w-56 shrink-0 flex flex-col">
+      <!-- Sidebar (desktop only) -->
+      <aside class="hidden lg:flex w-56 shrink-0 flex-col border-r border-border/40">
         <div class="px-4 py-5 border-b border-border/40">
           <a href="/" class="text-xs text-muted-foreground hover:text-foreground transition-colors">
             ← Back to site
@@ -44,7 +66,7 @@
       </aside>
 
       <!-- Main content -->
-      <main class="flex-1 overflow-auto">
+      <main class="flex-1 min-w-0">
         {@render children()}
       </main>
     </div>
diff --git a/packages/frontend/src/routes/admin/articles/+page.svelte b/packages/frontend/src/routes/admin/articles/+page.svelte
index 55dd27c..91ffe79 100644
--- a/packages/frontend/src/routes/admin/articles/+page.svelte
+++ b/packages/frontend/src/routes/admin/articles/+page.svelte
@@ -38,7 +38,7 @@
   }
 </script>
 
-<div class="p-6">
+<div class="p-3 sm:p-6">
   <div class="flex items-center justify-between mb-6">
     <h1 class="text-2xl font-bold">Articles</h1>
     <Button href="/admin/articles/new">
@@ -46,13 +46,13 @@
     </Button>
   </div>
 
-  <div class="rounded-lg border border-border/40 overflow-hidden">
+  <div class="rounded-lg border border-border/40 overflow-x-auto">
     <table class="w-full text-sm">
       <thead class="bg-muted/30">
         <tr>
           <th class="px-4 py-3 text-left font-medium text-muted-foreground">Article</th>
-          <th class="px-4 py-3 text-left font-medium text-muted-foreground">Category</th>
-          <th class="px-4 py-3 text-left font-medium text-muted-foreground">Published</th>
+          <th class="px-4 py-3 text-left font-medium text-muted-foreground hidden sm:table-cell">Category</th>
+          <th class="px-4 py-3 text-left font-medium text-muted-foreground hidden sm:table-cell">Published</th>
           <th class="px-4 py-3 text-right font-medium text-muted-foreground">Actions</th>
         </tr>
       </thead>
@@ -85,8 +85,8 @@
                 </div>
               </div>
             </td>
-            <td class="px-4 py-3 text-muted-foreground capitalize">{article.category ?? "—"}</td>
-            <td class="px-4 py-3 text-muted-foreground">
+            <td class="px-4 py-3 text-muted-foreground capitalize hidden sm:table-cell">{article.category ?? "—"}</td>
+            <td class="px-4 py-3 text-muted-foreground hidden sm:table-cell">
               {timeAgo.format(new Date(article.publish_date))}
             </td>
             <td class="px-4 py-3 text-right">
diff --git a/packages/frontend/src/routes/admin/articles/[id]/+page.svelte b/packages/frontend/src/routes/admin/articles/[id]/+page.svelte
index 06a3689..82e9c78 100644
--- a/packages/frontend/src/routes/admin/articles/[id]/+page.svelte
+++ b/packages/frontend/src/routes/admin/articles/[id]/+page.svelte
@@ -25,6 +25,7 @@
   );
   let imageId = $state<string | null>(data.article.image ?? null);
   let saving = $state(false);
+  let editorTab = $state<"write" | "preview">("write");
 
   let preview = $derived(content ? (marked.parse(content) as string) : "");
 
@@ -67,7 +68,7 @@
   }
 </script>
 
-<div class="p-6">
+<div class="p-3 sm:p-6">
   <div class="flex items-center gap-4 mb-6">
     <Button variant="ghost" href="/admin/articles" size="sm">
       <span class="icon-[ri--arrow-left-line] h-4 w-4 mr-1"></span>Back
@@ -76,7 +77,7 @@
   </div>
 
   <div class="space-y-5 max-w-4xl">
-    <div class="grid grid-cols-2 gap-4">
+    <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
       <div class="space-y-1.5">
         <Label for="title">Title *</Label>
         <Input id="title" bind:value={title} />
@@ -94,11 +95,28 @@
 
     <!-- Markdown editor with live preview -->
     <div class="space-y-1.5">
-      <Label>Content (Markdown)</Label>
-      <div class="grid grid-cols-2 gap-4 min-h-96">
-        <Textarea bind:value={content} class="h-full min-h-96 font-mono text-sm resize-none" />
+      <div class="flex items-center justify-between">
+        <Label>Content (Markdown)</Label>
+        <div class="flex rounded-lg border border-border/40 overflow-hidden text-xs sm:hidden">
+          <button
+            type="button"
+            class={`px-3 py-1 transition-colors ${editorTab === "write" ? "bg-primary/10 text-primary" : "text-muted-foreground"}`}
+            onclick={() => (editorTab = "write")}
+          >Write</button>
+          <button
+            type="button"
+            class={`px-3 py-1 transition-colors ${editorTab === "preview" ? "bg-primary/10 text-primary" : "text-muted-foreground"}`}
+            onclick={() => (editorTab = "preview")}
+          >Preview</button>
+        </div>
+      </div>
+      <div class="sm:grid sm:grid-cols-2 sm:gap-4 min-h-96">
+        <Textarea
+          bind:value={content}
+          class={`h-full min-h-96 font-mono text-sm resize-none ${editorTab === "preview" ? "hidden sm:flex" : ""}`}
+        />
         <div
-          class="rounded-lg border border-border/40 bg-muted/20 p-4 overflow-auto prose prose-sm max-w-none prose-headings:text-foreground prose-p:text-muted-foreground"
+          class={`rounded-lg border border-border/40 bg-muted/20 p-4 overflow-auto prose prose-sm max-w-none prose-headings:text-foreground prose-p:text-muted-foreground min-h-96 ${editorTab === "write" ? "hidden sm:block" : ""}`}
         >
           {#if preview}
             {@html preview}
@@ -121,7 +139,7 @@
       <FileDropZone accept="image/*" maxFileSize={10 * MEGABYTE} onUpload={handleImageUpload} />
     </div>
 
-    <div class="grid grid-cols-2 gap-4">
+    <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
       <div class="space-y-1.5">
         <Label for="category">Category</Label>
         <Input id="category" bind:value={category} />
diff --git a/packages/frontend/src/routes/admin/articles/new/+page.svelte b/packages/frontend/src/routes/admin/articles/new/+page.svelte
index 8023768..6d45db4 100644
--- a/packages/frontend/src/routes/admin/articles/new/+page.svelte
+++ b/packages/frontend/src/routes/admin/articles/new/+page.svelte
@@ -20,6 +20,7 @@
   let publishDate = $state("");
   let imageId = $state<string | null>(null);
   let saving = $state(false);
+  let editorTab = $state<"write" | "preview">("write");
 
   let preview = $derived(content ? (marked.parse(content) as string) : "");
 
@@ -72,7 +73,7 @@
   }
 </script>
 
-<div class="p-6">
+<div class="p-3 sm:p-6">
   <div class="flex items-center gap-4 mb-6">
     <Button variant="ghost" href="/admin/articles" size="sm">
       <span class="icon-[ri--arrow-left-line] h-4 w-4 mr-1"></span>Back
@@ -81,7 +82,7 @@
   </div>
 
   <div class="space-y-5 max-w-4xl">
-    <div class="grid grid-cols-2 gap-4">
+    <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
       <div class="space-y-1.5">
         <Label for="title">Title *</Label>
         <Input
@@ -106,15 +107,30 @@
 
     <!-- Markdown editor with live preview -->
     <div class="space-y-1.5">
-      <Label>Content (Markdown)</Label>
-      <div class="grid grid-cols-2 gap-4 min-h-96">
+      <div class="flex items-center justify-between">
+        <Label>Content (Markdown)</Label>
+        <div class="flex rounded-lg border border-border/40 overflow-hidden text-xs sm:hidden">
+          <button
+            type="button"
+            class={`px-3 py-1 transition-colors ${editorTab === "write" ? "bg-primary/10 text-primary" : "text-muted-foreground"}`}
+            onclick={() => (editorTab = "write")}
+          >Write</button>
+          <button
+            type="button"
+            class={`px-3 py-1 transition-colors ${editorTab === "preview" ? "bg-primary/10 text-primary" : "text-muted-foreground"}`}
+            onclick={() => (editorTab = "preview")}
+          >Preview</button>
+        </div>
+      </div>
+      <!-- Mobile: single pane toggled; Desktop: side by side -->
+      <div class="sm:grid sm:grid-cols-2 sm:gap-4 min-h-96">
         <Textarea
           bind:value={content}
           placeholder="Write in Markdown…"
-          class="h-full min-h-96 font-mono text-sm resize-none"
+          class={`h-full min-h-96 font-mono text-sm resize-none ${editorTab === "preview" ? "hidden sm:flex" : ""}`}
         />
         <div
-          class="rounded-lg border border-border/40 bg-muted/20 p-4 overflow-auto prose prose-sm max-w-none prose-headings:text-foreground prose-p:text-muted-foreground"
+          class={`rounded-lg border border-border/40 bg-muted/20 p-4 overflow-auto prose prose-sm max-w-none prose-headings:text-foreground prose-p:text-muted-foreground min-h-96 ${editorTab === "write" ? "hidden sm:block" : ""}`}
         >
           {#if preview}
             {@html preview}
@@ -131,7 +147,7 @@
       {#if imageId}<p class="text-xs text-green-600 mt-1">Image uploaded ✓</p>{/if}
     </div>
 
-    <div class="grid grid-cols-2 gap-4">
+    <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
       <div class="space-y-1.5">
         <Label for="category">Category</Label>
         <Input id="category" bind:value={category} placeholder="e.g. news, tutorial…" />
diff --git a/packages/frontend/src/routes/admin/users/+page.svelte b/packages/frontend/src/routes/admin/users/+page.svelte
index afcd0f6..a4ee7c0 100644
--- a/packages/frontend/src/routes/admin/users/+page.svelte
+++ b/packages/frontend/src/routes/admin/users/+page.svelte
@@ -82,7 +82,7 @@
   }
 </script>
 
-<div class="p-6">
+<div class="p-3 sm:p-6">
   <div class="flex items-center justify-between mb-6">
     <h1 class="text-2xl font-bold">Users</h1>
     <span class="text-sm text-muted-foreground">{data.total} total</span>
@@ -114,14 +114,14 @@
   </div>
 
   <!-- Table -->
-  <div class="rounded-lg border border-border/40 overflow-hidden">
+  <div class="rounded-lg border border-border/40 overflow-x-auto">
     <table class="w-full text-sm">
       <thead class="bg-muted/30">
         <tr>
           <th class="px-4 py-3 text-left font-medium text-muted-foreground">User</th>
-          <th class="px-4 py-3 text-left font-medium text-muted-foreground">Email</th>
+          <th class="px-4 py-3 text-left font-medium text-muted-foreground hidden sm:table-cell">Email</th>
           <th class="px-4 py-3 text-left font-medium text-muted-foreground">Role</th>
-          <th class="px-4 py-3 text-left font-medium text-muted-foreground">Joined</th>
+          <th class="px-4 py-3 text-left font-medium text-muted-foreground hidden md:table-cell">Joined</th>
           <th class="px-4 py-3 text-right font-medium text-muted-foreground">Actions</th>
         </tr>
       </thead>
@@ -134,19 +134,22 @@
                   <img
                     src={getAssetUrl(user.avatar, "mini")}
                     alt=""
-                    class="h-8 w-8 rounded-full object-cover"
+                    class="h-8 w-8 rounded-full object-cover shrink-0"
                   />
                 {:else}
                   <div
-                    class="h-8 w-8 rounded-full bg-primary/20 flex items-center justify-center text-xs font-semibold text-primary"
+                    class="h-8 w-8 rounded-full bg-primary/20 flex items-center justify-center text-xs font-semibold text-primary shrink-0"
                   >
                     {(user.artist_name || user.email)[0].toUpperCase()}
                   </div>
                 {/if}
-                <span class="font-medium">{user.artist_name || user.first_name || "—"}</span>
+                <div class="min-w-0">
+                  <span class="font-medium block truncate">{user.artist_name || user.first_name || "—"}</span>
+                  <span class="text-xs text-muted-foreground sm:hidden truncate block">{user.email}</span>
+                </div>
               </div>
             </td>
-            <td class="px-4 py-3 text-muted-foreground">{user.email}</td>
+            <td class="px-4 py-3 text-muted-foreground hidden sm:table-cell">{user.email}</td>
             <td class="px-4 py-3">
               <Select
                 type="single"
@@ -164,7 +167,7 @@
                 </SelectContent>
               </Select>
             </td>
-            <td class="px-4 py-3 text-muted-foreground">{formatDate(user.date_created)}</td>
+            <td class="px-4 py-3 text-muted-foreground hidden md:table-cell">{formatDate(user.date_created)}</td>
             <td class="px-4 py-3 text-right">
               <div class="flex items-center justify-end gap-1">
                 <Button size="sm" variant="ghost" href="/admin/users/{user.id}">
diff --git a/packages/frontend/src/routes/admin/users/[id]/+page.svelte b/packages/frontend/src/routes/admin/users/[id]/+page.svelte
index e6033da..f1cf160 100644
--- a/packages/frontend/src/routes/admin/users/[id]/+page.svelte
+++ b/packages/frontend/src/routes/admin/users/[id]/+page.svelte
@@ -96,7 +96,7 @@
   }
 </script>
 
-<div class="p-6 max-w-2xl">
+<div class="p-3 sm:p-6 max-w-2xl">
   <div class="flex items-center gap-4 mb-6">
     <Button variant="ghost" href="/admin/users" size="sm">
       <span class="icon-[ri--arrow-left-line] h-4 w-4 mr-1"></span>Back
@@ -109,7 +109,7 @@
 
   <div class="space-y-6">
     <!-- Basic info -->
-    <div class="grid grid-cols-2 gap-4">
+    <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
       <div class="space-y-1.5">
         <Label for="firstName">First name</Label>
         <Input id="firstName" bind:value={firstName} />
diff --git a/packages/frontend/src/routes/admin/videos/+page.svelte b/packages/frontend/src/routes/admin/videos/+page.svelte
index 9c3d5cc..cd798ce 100644
--- a/packages/frontend/src/routes/admin/videos/+page.svelte
+++ b/packages/frontend/src/routes/admin/videos/+page.svelte
@@ -35,7 +35,7 @@
   }
 </script>
 
-<div class="p-6">
+<div class="p-3 sm:p-6">
   <div class="flex items-center justify-between mb-6">
     <h1 class="text-2xl font-bold">Videos</h1>
     <Button href="/admin/videos/new">
@@ -43,14 +43,14 @@
     </Button>
   </div>
 
-  <div class="rounded-lg border border-border/40 overflow-hidden">
+  <div class="rounded-lg border border-border/40 overflow-x-auto">
     <table class="w-full text-sm">
       <thead class="bg-muted/30">
         <tr>
           <th class="px-4 py-3 text-left font-medium text-muted-foreground">Video</th>
-          <th class="px-4 py-3 text-left font-medium text-muted-foreground">Badges</th>
-          <th class="px-4 py-3 text-left font-medium text-muted-foreground">Plays</th>
-          <th class="px-4 py-3 text-left font-medium text-muted-foreground">Likes</th>
+          <th class="px-4 py-3 text-left font-medium text-muted-foreground hidden sm:table-cell">Badges</th>
+          <th class="px-4 py-3 text-left font-medium text-muted-foreground hidden md:table-cell">Plays</th>
+          <th class="px-4 py-3 text-left font-medium text-muted-foreground hidden md:table-cell">Likes</th>
           <th class="px-4 py-3 text-right font-medium text-muted-foreground">Actions</th>
         </tr>
       </thead>
@@ -78,7 +78,7 @@
                 </div>
               </div>
             </td>
-            <td class="px-4 py-3">
+            <td class="px-4 py-3 hidden sm:table-cell">
               <div class="flex gap-1">
                 {#if video.premium}
                   <span
@@ -93,8 +93,8 @@
                 {/if}
               </div>
             </td>
-            <td class="px-4 py-3 text-muted-foreground">{video.plays_count ?? 0}</td>
-            <td class="px-4 py-3 text-muted-foreground">{video.likes_count ?? 0}</td>
+            <td class="px-4 py-3 text-muted-foreground hidden md:table-cell">{video.plays_count ?? 0}</td>
+            <td class="px-4 py-3 text-muted-foreground hidden md:table-cell">{video.likes_count ?? 0}</td>
             <td class="px-4 py-3 text-right">
               <div class="flex items-center justify-end gap-1">
                 <Button size="sm" variant="ghost" href="/admin/videos/{video.id}">
diff --git a/packages/frontend/src/routes/admin/videos/[id]/+page.svelte b/packages/frontend/src/routes/admin/videos/[id]/+page.svelte
index c1a944d..3f9c408 100644
--- a/packages/frontend/src/routes/admin/videos/[id]/+page.svelte
+++ b/packages/frontend/src/routes/admin/videos/[id]/+page.svelte
@@ -88,7 +88,7 @@
   }
 </script>
 
-<div class="p-6 max-w-2xl">
+<div class="p-3 sm:p-6 max-w-2xl">
   <div class="flex items-center gap-4 mb-6">
     <Button variant="ghost" href="/admin/videos" size="sm">
       <span class="icon-[ri--arrow-left-line] h-4 w-4 mr-1"></span>Back
@@ -97,7 +97,7 @@
   </div>
 
   <div class="space-y-5">
-    <div class="grid grid-cols-2 gap-4">
+    <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
       <div class="space-y-1.5">
         <Label for="title">Title *</Label>
         <Input id="title" bind:value={title} placeholder="Video title" />
diff --git a/packages/frontend/src/routes/admin/videos/new/+page.svelte b/packages/frontend/src/routes/admin/videos/new/+page.svelte
index 1b241be..62e034f 100644
--- a/packages/frontend/src/routes/admin/videos/new/+page.svelte
+++ b/packages/frontend/src/routes/admin/videos/new/+page.svelte
@@ -95,7 +95,7 @@
   }
 </script>
 
-<div class="p-6 max-w-2xl">
+<div class="p-3 sm:p-6 max-w-2xl">
   <div class="flex items-center gap-4 mb-6">
     <Button variant="ghost" href="/admin/videos" size="sm">
       <span class="icon-[ri--arrow-left-line] h-4 w-4 mr-1"></span>Back
@@ -104,7 +104,7 @@
   </div>
 
   <div class="space-y-5">
-    <div class="grid grid-cols-2 gap-4">
+    <div class="grid grid-cols-1 sm:grid-cols-2 gap-4">
       <div class="space-y-1.5">
         <Label for="title">Title *</Label>
         <Input