diff --git a/public/chat-composer.css b/public/chat-composer.css
index 095babc..d578ff9 100644
--- a/public/chat-composer.css
+++ b/public/chat-composer.css
@@ -220,13 +220,18 @@ html.chat-overlay-open, html.chat-overlay-open body { overflow: hidden; }
 .chat-shutter:active:not(:disabled) { background: #fff; }
 .chat-shutter:disabled { opacity: 0.4; cursor: default; }
 
+/* App-Ansicht (gleiche Bedingung wie in kundenbereich.css: Handy, Tablet hochkant, Handy quer):
+   Senden als runder Knopf mit Symbol */
+@media (max-width: 880px), (pointer: coarse) and (max-height: 500px) {
+  .chat-send { width: 46px; padding: 0; }
+  .chat-send .chat-ico { display: inline-grid; }
+  .chat-send .chat-send-label { display: none; }
+}
 @media (max-width: 640px) {
   .chat-composer .chat-input-row { gap: 6px; }
   .chat-composer textarea { font-size: 16px; } /* iOS zoomt sonst beim Tippen hinein */
   .chat-icon-btn { width: 42px; height: 42px; }
-  .chat-send { width: 42px; height: 42px; padding: 0; }
-  .chat-send .chat-ico { display: inline-grid; }
-  .chat-send .chat-send-label { display: none; }
+  .chat-send { width: 42px; height: 42px; }
   .chat-rec { height: 42px; }
   .chat-rec-label { display: none; }
   .chat-tray-item.is-file { width: 190px; }