diff --git a/app/templates/dm.html b/app/templates/dm.html
index ff30090..8d77f7c 100644
--- a/app/templates/dm.html
+++ b/app/templates/dm.html
@@ -57,6 +57,32 @@
                 max-width: 100%;
             }
         }
+
+        /* DM page layout - ensure proper height on mobile */
+        html, body {
+            height: 100vh;
+            height: 100dvh; /* Dynamic viewport height for mobile */
+            margin: 0;
+            overflow: hidden;
+        }
+        body {
+            display: flex;
+            flex-direction: column;
+        }
+        main {
+            flex: 1;
+            overflow: hidden;
+            display: flex;
+            flex-direction: column;
+            min-height: 0;
+        }
+        .dm-page-container {
+            flex: 1;
+            display: flex;
+            flex-direction: column;
+            min-height: 0;
+            overflow: hidden;
+        }
     </style>
 </head>
 <body>
@@ -82,9 +108,9 @@
 
     <!-- Main Content -->
     <main>
-        <div class="container-fluid d-flex flex-column" style="height: 100%;">
+        <div class="container-fluid dm-page-container">
             <!-- Messages Container -->
-            <div class="row flex-grow-1 overflow-hidden" style="min-height: 0;">
+            <div class="row flex-grow-1 overflow-hidden" style="min-height: 0; flex: 1;">
                 <div class="col-12" style="height: 100%;">
                     <div id="dmMessagesContainer" class="messages-container h-100 overflow-auto p-3">
                         <div id="dmMessagesList">
@@ -100,9 +126,9 @@
             </div>
 
             <!-- Send Message Form -->
-            <div class="row border-top bg-light">
+            <div class="row border-top bg-light" style="flex-shrink: 0;">
                 <div class="col-12">
-                    <form id="dmSendForm" class="p-3">
+                    <form id="dmSendForm" class="p-2">
                         <div class="emoji-picker-container">
                             <div class="input-group">
                                 <input type="text"
@@ -129,9 +155,9 @@
             </div>
 
             <!-- Status Bar -->
-            <div class="row border-top">
+            <div class="row border-top" style="flex-shrink: 0;">
                 <div class="col-12">
-                    <div class="p-2 small text-muted d-flex justify-content-between align-items-center">
+                    <div class="p-1 small text-muted d-flex justify-content-between align-items-center">
                         <span id="dmStatusText">
                             <i class="bi bi-circle-fill text-secondary"></i> Ready
                         </span>
