diff --git a/src/lib/ui/components/primitives/Dialog.svelte b/src/lib/ui/components/primitives/Dialog.svelte
index 6c55295..50b5488 100644
--- a/src/lib/ui/components/primitives/Dialog.svelte
+++ b/src/lib/ui/components/primitives/Dialog.svelte
@@ -104,6 +104,13 @@
         padding: var(--space-6);
         border-bottom: 1px solid var(--border-subtle);
     }
+    header > div {
+        min-width: 0;
+        overflow-wrap: anywhere;
+    }
+    header > :global(.btn) {
+        flex-shrink: 0;
+    }
     h2 {
         margin: 0;
         font-size: var(--text-xl);
diff --git a/src/routes/+layout.svelte b/src/routes/+layout.svelte
index 9c56e24..a7b166a 100644
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -738,8 +738,13 @@
             min-height: 44px;
         }
         :global(button),
+        :global(summary),
         :global(.btn) {
-            min-height: 44px;
+            /* Keep scoped component size rules from shrinking mobile touch targets. */
+            min-height: 44px !important;
+        }
+        :global(.btn) {
+            min-width: 44px !important;
         }
     }
     @media (max-width: 360px) {
diff --git a/src/routes/account/+page.svelte b/src/routes/account/+page.svelte
index ef90ee3..7613312 100644
--- a/src/routes/account/+page.svelte
+++ b/src/routes/account/+page.svelte
@@ -214,6 +214,7 @@
     .page {
         max-width: 760px;
         display: grid;
+        grid-template-columns: minmax(0, 1fr);
         gap: 24px;
     }
     .panel {
@@ -232,6 +233,10 @@
         justify-content: space-between;
         gap: 20px;
     }
+    .identity > div {
+        min-width: 0;
+        overflow-wrap: anywhere;
+    }
     .identity p {
         margin: 8px 0 0;
         color: var(--text-secondary);
diff --git a/src/routes/hosts/[id]/+page.svelte b/src/routes/hosts/[id]/+page.svelte
index 3745963..ab0d547 100644
--- a/src/routes/hosts/[id]/+page.svelte
+++ b/src/routes/hosts/[id]/+page.svelte
@@ -752,4 +752,17 @@
         background: var(--surface-sunken);
         font-size: var(--text-xs);
     }
+    @media (max-width: 640px) {
+        .host-menu {
+            min-width: 0;
+            width: 100%;
+        }
+        .host-menu summary {
+            min-height: 44px;
+        }
+        .host-menu > div {
+            position: static;
+            min-width: 0;
+        }
+    }
 </style>
diff --git a/src/routes/servers/[name]/+page.svelte b/src/routes/servers/[name]/+page.svelte
index 20f886e..b35c40e 100644
--- a/src/routes/servers/[name]/+page.svelte
+++ b/src/routes/servers/[name]/+page.svelte
@@ -1158,6 +1158,18 @@
         clip-path: inset(50%);
     }
     @media (max-width: 640px) {
+        .server-actions {
+            min-width: 0;
+            width: 100%;
+            text-align: left;
+        }
+        .server-actions summary {
+            min-height: 44px;
+        }
+        .action-menu {
+            position: static;
+            min-width: 0;
+        }
         .panel-head,
         .alert {
             flex-wrap: wrap;