diff --git a/internal/version/version.go b/internal/version/version.go
index 6466ce3..4bcb0cb 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -7,7 +7,7 @@ import (
 
 const (
 	Name    = "muyue"
-	Version = "0.9.3"
+	Version = "0.9.4"
 	Author  = "La Légion de Muyue"
 )
 
diff --git a/web/src/styles/global.css b/web/src/styles/global.css
index 7aa4060..3aa5a1a 100644
--- a/web/src/styles/global.css
+++ b/web/src/styles/global.css
@@ -1413,7 +1413,7 @@ input::placeholder { color: var(--text-disabled); }
   .config-panel-body { padding: 12px 16px 16px; }
   .config-card-row { gap: 10px; }
   .config-card-label { width: 110px; }
-  .shell-ai-col { width: 260px; max-width: 260px; }
+  .shell-ai-col { width: 240px; max-width: 240px; }
   .shell-analysis-modal { width: 90vw; }
   .shell-modal { min-width: 320px; }
   .grid-2 { grid-template-columns: 1fr; }
@@ -1518,12 +1518,7 @@ input::placeholder { color: var(--text-disabled); }
   /* Messages */
   .message { max-width: 95%; padding: 10px 12px; font-size: 13px; }
 
-  /* Shell / Terminal */
-  .shell-layout { flex-direction: column; }
-  .shell-terminal-col { min-height: 200px; }
-  .shell-tabs-bar { height: 32px; padding: 0 6px; }
-  .shell-tab { padding: 3px 8px; font-size: 11px; max-width: 120px; }
-  .shell-tab-name { max-width: 70px; }
+  /* Shell / Terminal — AI panel stacks below on narrow screens */
   .shell-ai-col {
     width: 100%;
     max-width: 100%;
@@ -1535,11 +1530,7 @@ input::placeholder { color: var(--text-disabled); }
   .ai-panel-messages { padding: 8px; }
   .ai-message { padding: 6px 8px; font-size: 12px; }
   .ai-panel-input input { font-size: 12px; padding: 5px 8px; }
-  .shell-search-input { width: 140px; }
-  .shell-analysis-modal { max-width: 95vw; }
-  .shell-modal { min-width: 280px; max-width: 95vw; }
   .shell-modal-row { grid-template-columns: 1fr; gap: 6px; }
-  .shell-new-tab-menu { min-width: 220px; }
 
   /* Config */
   .config-tabs-bar { padding: 8px 12px; gap: 2px; overflow-x: auto; scrollbar-width: none; }
@@ -1670,32 +1661,13 @@ input::placeholder { color: var(--text-disabled); }
   .chat-input-bar { padding: 10px 8px; gap: 6px; }
   .chat-input-bar input { font-size: 13px; }
 
-  /* Shell */
-  .shell-tabs-bar { height: 28px; padding: 0 4px; gap: 2px; }
-  .shell-tab { padding: 2px 6px; font-size: 10px; max-width: 90px; }
-  .shell-tab-name { max-width: 50px; font-size: 10px; }
-  .shell-tab-index { font-size: 8px; padding: 0 2px; }
-  .shell-tab-close { width: 14px; height: 14px; }
-  .shell-new-tab-btn { padding: 2px 6px; font-size: 10px; }
-  .shell-zoom-badge { font-size: 9px; padding: 1px 4px; }
-  .shell-search-bar { top: 4px; right: 4px; padding: 3px 4px; gap: 2px; }
-  .shell-search-input { width: 100px; font-size: 11px; padding: 2px 4px; }
-  .shell-search-nav { width: 20px; height: 20px; }
-  .shell-search-close { width: 20px; height: 20px; }
+  /* Shell — only AI panel shrinks, terminal stays full size */
   .shell-ai-col { max-height: 40vh; }
   .ai-panel-header { padding: 8px 10px; font-size: 12px; }
   .ai-panel-messages { padding: 6px; gap: 4px; }
   .ai-message { padding: 5px 6px; font-size: 11px; }
   .ai-panel-input { padding: 6px 8px; gap: 4px; }
   .ai-panel-input input { font-size: 11px; padding: 4px 6px; }
-  .shell-analysis-modal { max-width: 98vw; max-height: 85vh; }
-  .shell-analysis-modal-header { padding: 10px 12px; font-size: 13px; }
-  .shell-analysis-modal-body { padding: 12px; font-size: 13px; }
-  .shell-modal { min-width: 260px; }
-  .shell-modal-header { padding: 12px 14px; font-size: 13px; }
-  .shell-modal-body { padding: 12px 14px; gap: 8px; }
-  .shell-new-tab-menu { min-width: 200px; max-height: 300px; }
-  .shell-menu-item { padding: 5px 8px; font-size: 11px; }
 
   /* Config */
   .config-tabs-bar { padding: 6px 8px; gap: 1px; }