diff --git a/web/app/(app)/audit/page.tsx b/web/app/(app)/audit/page.tsx
index d15c7de..e8f22d6 100644
--- a/web/app/(app)/audit/page.tsx
+++ b/web/app/(app)/audit/page.tsx
@@ -49,7 +49,7 @@ export default function AuditPage() {
   });
 
   return (
-    <div className="p-8">
+    <div className="p-4 sm:p-6 lg:p-8">
       <div className="mb-6">
         <h1 className="text-2xl font-bold text-text-primary">Audit Log</h1>
         <p className="mt-1 text-sm text-text-secondary">
diff --git a/web/app/(app)/keys/[id]/page.tsx b/web/app/(app)/keys/[id]/page.tsx
index 4a9b9fc..bf7c6d5 100644
--- a/web/app/(app)/keys/[id]/page.tsx
+++ b/web/app/(app)/keys/[id]/page.tsx
@@ -227,7 +227,7 @@ export default function KeyDetailPage() {
 
   if (error || !key) {
     return (
-      <div className="p-8">
+      <div className="p-4 sm:p-6 lg:p-8">
         <div className="rounded-lg border border-danger/30 bg-danger/10 p-4 text-danger">
           Key not found or failed to load.
         </div>
@@ -239,7 +239,7 @@ export default function KeyDetailPage() {
   const assignedServerIds = activeAssignments.map((a) => a.server_id);
 
   return (
-    <div className="p-8">
+    <div className="p-4 sm:p-6 lg:p-8">
       {showAssign && (
         <AssignModal
           keyId={keyId}
diff --git a/web/app/(app)/keys/page.tsx b/web/app/(app)/keys/page.tsx
index ff0bb66..8f1805c 100644
--- a/web/app/(app)/keys/page.tsx
+++ b/web/app/(app)/keys/page.tsx
@@ -106,10 +106,10 @@ export default function KeysPage() {
     });
 
     return (
-        <div className="p-8">
+        <div className="p-4 sm:p-6 lg:p-8">
             {showUpload && <UploadKeyModal onClose={() => setShowUpload(false)} />}
 
-            <div className="mb-6 flex items-center justify-between">
+            <div className="mb-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
                 <div>
                     <h1 className="text-2xl font-bold text-text-primary">SSH Keys</h1>
                     <p className="mt-1 text-sm text-text-secondary">
diff --git a/web/app/(app)/monitors/[id]/edit/page.tsx b/web/app/(app)/monitors/[id]/edit/page.tsx
index 8a6b3f8..de1e933 100644
--- a/web/app/(app)/monitors/[id]/edit/page.tsx
+++ b/web/app/(app)/monitors/[id]/edit/page.tsx
@@ -37,14 +37,14 @@ export default function EditMonitorPage() {
 
   if (!monitor) {
     return (
-      <div className="p-8">
+      <div className="p-4 sm:p-6 lg:p-8">
         <div className="rounded-lg border border-danger/30 bg-danger/10 p-4 text-danger">Monitor not found.</div>
       </div>
     );
   }
 
   return (
-    <div className="p-8">
+    <div className="p-4 sm:p-6 lg:p-8">
       <Link href={`/monitors/${monitorId}`} className="text-sm text-text-secondary hover:text-text-primary">
         ← {monitor.name}
       </Link>
diff --git a/web/app/(app)/monitors/[id]/page.tsx b/web/app/(app)/monitors/[id]/page.tsx
index 08ca9d9..f5239ff 100644
--- a/web/app/(app)/monitors/[id]/page.tsx
+++ b/web/app/(app)/monitors/[id]/page.tsx
@@ -86,7 +86,7 @@ export default function MonitorDetailPage() {
 
     if (!monitor) {
         return (
-            <div className="p-8">
+            <div className="p-4 sm:p-6 lg:p-8">
                 <div className="rounded-lg border border-danger/30 bg-danger/10 p-4 text-danger">Monitor not found.</div>
             </div>
         );
@@ -96,7 +96,7 @@ export default function MonitorDetailPage() {
     const last24 = all.slice(-24);
 
     return (
-        <div className="p-8">
+        <div className="p-4 sm:p-6 lg:p-8">
             <div className="mb-6 flex items-start justify-between">
                 <div>
                     <Link href="/monitors" className="text-sm text-text-secondary hover:text-text-primary">
diff --git a/web/app/(app)/monitors/new/page.tsx b/web/app/(app)/monitors/new/page.tsx
index bc536f2..d754dac 100644
--- a/web/app/(app)/monitors/new/page.tsx
+++ b/web/app/(app)/monitors/new/page.tsx
@@ -20,7 +20,7 @@ export default function NewMonitorPage() {
   });
 
   return (
-    <div className="p-8">
+    <div className="p-4 sm:p-6 lg:p-8">
       <Link href="/monitors" className="text-sm text-text-secondary hover:text-text-primary">
         ← Monitors
       </Link>
diff --git a/web/app/(app)/monitors/page.tsx b/web/app/(app)/monitors/page.tsx
index a9d035a..b93fbf4 100644
--- a/web/app/(app)/monitors/page.tsx
+++ b/web/app/(app)/monitors/page.tsx
@@ -31,8 +31,8 @@ export default function MonitorsPage() {
   });
 
   return (
-    <div className="p-8">
-      <div className="mb-6 flex items-center justify-between">
+    <div className="p-4 sm:p-6 lg:p-8">
+      <div className="mb-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
         <div>
           <h1 className="text-2xl font-bold text-text-primary">Monitors</h1>
           <p className="mt-1 text-sm text-text-secondary">Service uptime and latency checks.</p>
diff --git a/web/app/(app)/secrets/[group]/page.tsx b/web/app/(app)/secrets/[group]/page.tsx
index 24bbb1f..aeb23b3 100644
--- a/web/app/(app)/secrets/[group]/page.tsx
+++ b/web/app/(app)/secrets/[group]/page.tsx
@@ -241,14 +241,14 @@ export default function SecretGroupPage() {
     });
 
     return (
-        <div className="p-8">
+        <div className="p-4 sm:p-6 lg:p-8">
             {showYaml && <YamlModal group={group} onClose={() => setShowYaml(false)} />}
 
             <Link href="/secrets" className="mb-4 inline-flex items-center gap-1 text-sm text-text-secondary hover:text-text-primary">
                 ← Back to secrets
             </Link>
 
-            <div className="mb-6 flex items-center justify-between">
+            <div className="mb-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
                 <div>
                     <h1 className="font-mono text-2xl font-bold text-text-primary">{group}</h1>
                     <p className="mt-1 text-sm text-text-secondary">
diff --git a/web/app/(app)/secrets/page.tsx b/web/app/(app)/secrets/page.tsx
index ff746f0..85ad4d4 100644
--- a/web/app/(app)/secrets/page.tsx
+++ b/web/app/(app)/secrets/page.tsx
@@ -99,10 +99,10 @@ export default function SecretsPage() {
   });
 
   return (
-    <div className="p-8">
+    <div className="p-4 sm:p-6 lg:p-8">
       {showNew && <NewGroupModal onClose={() => setShowNew(false)} />}
 
-      <div className="mb-6 flex items-center justify-between">
+      <div className="mb-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
         <div>
           <h1 className="text-2xl font-bold text-text-primary">Secrets</h1>
           <p className="mt-1 text-sm text-text-secondary">
diff --git a/web/app/(app)/servers/[id]/console/page.tsx b/web/app/(app)/servers/[id]/console/page.tsx
index 675db57..c99411b 100644
--- a/web/app/(app)/servers/[id]/console/page.tsx
+++ b/web/app/(app)/servers/[id]/console/page.tsx
@@ -158,7 +158,7 @@ export default function ServerConsolePage() {
 
     if (!server) {
         return (
-            <div className="p-8">
+            <div className="p-4 sm:p-6 lg:p-8">
                 <div className="rounded-lg border border-danger/30 bg-danger/10 p-4 text-danger">Server not found or failed to load.</div>
             </div>
         );
diff --git a/web/app/(app)/servers/[id]/page.tsx b/web/app/(app)/servers/[id]/page.tsx
index d0124cf..d886b2f 100644
--- a/web/app/(app)/servers/[id]/page.tsx
+++ b/web/app/(app)/servers/[id]/page.tsx
@@ -372,14 +372,14 @@ export default function ServerDetailPage() {
 
     if (error || !server) {
         return (
-            <div className="p-8">
+            <div className="p-4 sm:p-6 lg:p-8">
                 <div className="rounded-lg border border-danger/30 bg-danger/10 p-4 text-danger">Server not found or failed to load.</div>
             </div>
         );
     }
 
     return (
-        <div className="p-8">
+        <div className="p-4 sm:p-6 lg:p-8">
             {showGenerateModal && <GenerateKeyModal onClose={() => setShowGenerateModal(false)} onSubmit={(opts) => generateKey(opts)} isPending={isGenerating} />}
             {showUpdatesModal && server.available_updates && (
                 <UpdatesModal updates={server.available_updates} onClose={() => setShowUpdatesModal(false)} onApply={() => applyUpdates()} isApplying={isApplying} applySuccess={applySuccess} />
diff --git a/web/app/(app)/servers/new/page.tsx b/web/app/(app)/servers/new/page.tsx
index 28eb79d..24d9dce 100644
--- a/web/app/(app)/servers/new/page.tsx
+++ b/web/app/(app)/servers/new/page.tsx
@@ -25,7 +25,7 @@ export default function NewServerPage() {
   };
 
   return (
-    <div className="p-8">
+    <div className="p-4 sm:p-6 lg:p-8">
       <div className="mb-6">
         <h1 className="text-2xl font-bold text-text-primary">Add Server</h1>
         <p className="mt-1 text-sm text-text-secondary">
diff --git a/web/app/(app)/servers/page.tsx b/web/app/(app)/servers/page.tsx
index ae6c59e..3b966de 100644
--- a/web/app/(app)/servers/page.tsx
+++ b/web/app/(app)/servers/page.tsx
@@ -71,8 +71,8 @@ export default function ServersPage() {
   const latestVersion = latestVersionData?.version;
 
   return (
-    <div className="p-8">
-      <div className="mb-6 flex items-center justify-between">
+    <div className="p-4 sm:p-6 lg:p-8">
+      <div className="mb-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
         <div>
           <h1 className="text-2xl font-bold text-text-primary">Servers</h1>
           <p className="mt-1 text-sm text-text-secondary">
diff --git a/web/app/(app)/settings/license/page.tsx b/web/app/(app)/settings/license/page.tsx
index e4bfdb2..db44d0c 100644
--- a/web/app/(app)/settings/license/page.tsx
+++ b/web/app/(app)/settings/license/page.tsx
@@ -237,7 +237,7 @@ export default function LicensePage() {
 
     if (!license) {
         return (
-            <div className="p-8">
+            <div className="p-4 sm:p-6 lg:p-8">
                 <Card className="max-w-lg">
                     <h1 className="text-base font-bold text-text-primary">Licence unavailable</h1>
                     <p className="mt-1 text-sm text-text-secondary">The licence state could not be read. Reload the page, and check the server logs if it keeps failing.</p>
@@ -253,7 +253,7 @@ export default function LicensePage() {
     const hqUrl = process.env.NEXT_PUBLIC_HQ_URL ?? "";
 
     return (
-        <div className="p-8">
+        <div className="p-4 sm:p-6 lg:p-8">
             <div className="mx-auto max-w-5xl space-y-10">
                 <div>
                     <h1 className="text-2xl font-extrabold tracking-[-0.03em] text-text-primary">Licence</h1>
diff --git a/web/app/(app)/settings/notifications/page.tsx b/web/app/(app)/settings/notifications/page.tsx
index a9fe25a..1b8a19e 100644
--- a/web/app/(app)/settings/notifications/page.tsx
+++ b/web/app/(app)/settings/notifications/page.tsx
@@ -149,8 +149,8 @@ export default function NotificationSettingsPage() {
   const { data: channels, isLoading } = useQuery({ queryKey: ["channels"], queryFn: () => api.listChannels() });
 
   return (
-    <div className="p-8">
-      <div className="mb-6 flex items-center justify-between">
+    <div className="p-4 sm:p-6 lg:p-8">
+      <div className="mb-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
         <div>
           <Link href="/monitors" className="text-sm text-text-secondary hover:text-text-primary">
             ← Monitors
diff --git a/web/app/(app)/settings/page.tsx b/web/app/(app)/settings/page.tsx
index 9973fc9..954f00e 100644
--- a/web/app/(app)/settings/page.tsx
+++ b/web/app/(app)/settings/page.tsx
@@ -160,7 +160,7 @@ export default function SettingsPage() {
 
     if (!isAdmin) {
         return (
-            <div className="p-8">
+            <div className="p-4 sm:p-6 lg:p-8">
                 <Card className="max-w-lg">
                     <h1 className="text-base font-bold text-text-primary">You don&apos;t have access</h1>
                     <p className="mt-1 text-sm text-text-secondary">Settings are available to owners and admins only. Ask an administrator if you need access.</p>
@@ -178,7 +178,7 @@ export default function SettingsPage() {
     }
 
     return (
-        <div className="p-8">
+        <div className="p-4 sm:p-6 lg:p-8">
             <div className="mb-8">
                 <h1 className="text-2xl font-extrabold tracking-[-0.03em] text-text-primary">Settings</h1>
                 <p className="mt-1 text-sm text-text-secondary">
diff --git a/web/app/(app)/steps/page.tsx b/web/app/(app)/steps/page.tsx
index f99b636..6312d9a 100644
--- a/web/app/(app)/steps/page.tsx
+++ b/web/app/(app)/steps/page.tsx
@@ -91,7 +91,7 @@ export default function StepsPage() {
   };
 
   return (
-    <div className="p-8">
+    <div className="p-4 sm:p-6 lg:p-8">
       <div className="mb-6 flex items-center gap-3">
         <div>
           <h1 className="text-xl font-semibold text-text-primary">Steps</h1>
diff --git a/web/app/(app)/workflows/[id]/page.tsx b/web/app/(app)/workflows/[id]/page.tsx
index 25f78ee..d35a455 100644
--- a/web/app/(app)/workflows/[id]/page.tsx
+++ b/web/app/(app)/workflows/[id]/page.tsx
@@ -130,7 +130,7 @@ export default function WorkflowBuilder() {
     }, [lastSaved]);
 
     if (!wf) {
-        return <div className="p-8 text-text-secondary">Loading…</div>;
+        return <div className="p-4 text-text-secondary sm:p-6 lg:p-8">Loading…</div>;
     }
 
     const libById = (sid?: string) => (sid ? library?.find((l) => l.step_id === sid) : undefined);
diff --git a/web/app/(app)/workflows/[id]/runs/[runId]/page.tsx b/web/app/(app)/workflows/[id]/runs/[runId]/page.tsx
index 0612e36..141994f 100644
--- a/web/app/(app)/workflows/[id]/runs/[runId]/page.tsx
+++ b/web/app/(app)/workflows/[id]/runs/[runId]/page.tsx
@@ -326,7 +326,7 @@ export default function RunDetail() {
     };
 
     if (isLoading || !run) {
-        return <div className="p-8 text-text-secondary">Loading…</div>;
+        return <div className="p-4 text-text-secondary sm:p-6 lg:p-8">Loading…</div>;
     }
 
     const totalSteps = run.server_runs.reduce((n, s) => n + s.steps.length, 0);
@@ -340,7 +340,7 @@ export default function RunDetail() {
     const ago = fmtDuration(now - startMs);
 
     return (
-        <div className="mx-auto max-w-[1180px] p-8 pb-16">
+        <div className="mx-auto max-w-[1180px] p-4 pb-16 sm:p-6 lg:p-8">
             {/* identity bar */}
             <div className="flex flex-wrap items-start justify-between gap-6">
                 <div>
diff --git a/web/app/(app)/workflows/[id]/runs/page.tsx b/web/app/(app)/workflows/[id]/runs/page.tsx
index ce32ed2..d5c15b3 100644
--- a/web/app/(app)/workflows/[id]/runs/page.tsx
+++ b/web/app/(app)/workflows/[id]/runs/page.tsx
@@ -22,7 +22,7 @@ export default function WorkflowRunsPage() {
   const { data: runs, isLoading, error } = useQuery({ queryKey: ["runs", id], queryFn: () => api.listRuns(id) });
 
   return (
-    <div className="p-8">
+    <div className="p-4 sm:p-6 lg:p-8">
       <div className="mb-6">
         <Link href={`/workflows/${id}`} className="text-sm text-text-secondary hover:text-text-primary">
           ← Back to builder
diff --git a/web/app/(app)/workflows/page.tsx b/web/app/(app)/workflows/page.tsx
index 957f2c0..2e347d4 100644
--- a/web/app/(app)/workflows/page.tsx
+++ b/web/app/(app)/workflows/page.tsx
@@ -28,8 +28,8 @@ export default function WorkflowsPage() {
   });
 
   return (
-    <div className="p-8">
-      <div className="mb-6 flex items-center justify-between">
+    <div className="p-4 sm:p-6 lg:p-8">
+      <div className="mb-6 flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
         <div>
           <h1 className="text-2xl font-bold text-text-primary">Workflows</h1>
           <p className="mt-1 text-sm text-text-secondary">