diff --git a/conversations.php b/conversations.php
index 622621f..b230b84 100644
--- a/conversations.php
+++ b/conversations.php
@@ -707,12 +707,17 @@
                 left: 0;
                 right: 0;
                 bottom: 0;
-                padding: 10px;
+                padding: 10px calc(12px + env(safe-area-inset-left, 0px)) calc(12px + env(safe-area-inset-bottom, 0px));
                 background: #fff;
-                z-index: 1200;
+                z-index: 1400;
                 border-top: 1px solid #e9eef2;
+                box-shadow: 0 -6px 20px rgba(0,0,0,0.06);
             }
 
+            /* improve touch targets inside input bar */
+            .chat-input input[type="text"] { font-size: 16px; padding: 12px 14px; }
+            .chat-input .btn { width:48px; height:48px; }
+
             /* Give chat area bottom padding so messages are not hidden under input */
             .chat-conversations { padding-bottom: 120px; }
 
@@ -856,7 +861,7 @@
                     <button class="btn btn-sm btn-link" id="cancel-reply-btn" title="Cancelar respuesta">✕</button>
                 </div>
 
-                <div class="chat-input" style="position:relative;">
+                <div class="chat-input">
                     <input type="file" id="file-input" accept="image/*,video/*,audio/*,.pdf,.doc,.docx,.xls,.xlsx,.ppt,.pptx" style="display: none;">
                     <button class="btn" id="attach-btn" title="Adjuntar">
                         📎