diff --git a/src/pages/ExportPage.scss b/src/pages/ExportPage.scss
index 594fc44..90bbe08 100644
--- a/src/pages/ExportPage.scss
+++ b/src/pages/ExportPage.scss
@@ -22,7 +22,7 @@
 
 .export-top-bar {
   display: flex;
-  align-items: flex-start;
+  align-items: stretch;
   gap: 12px;
 }
 
@@ -261,7 +261,8 @@
 }
 
 .global-export-controls {
-  flex: 1;
+  flex: 0 1 820px;
+  width: min(820px, 100%);
   background: var(--card-bg);
   border: 1px solid var(--border-color);
   border-radius: 12px;
@@ -269,7 +270,7 @@
   display: grid;
   grid-template-columns: minmax(0, 1.7fr) minmax(260px, 1fr);
   gap: 10px;
-  align-items: center;
+  align-items: stretch;
 
   .control-label {
     font-size: 11px;
@@ -534,6 +535,7 @@
   font-weight: 600;
   cursor: pointer;
   flex-shrink: 0;
+  align-self: stretch;
   transition: border-color 0.12s ease, color 0.12s ease, box-shadow 0.12s ease, transform 0.12s ease;
 
   &:hover {
@@ -3282,6 +3284,8 @@
   .global-export-controls {
     padding: 10px;
     gap: 8px;
+    flex-basis: 760px;
+    width: min(760px, 100%);
     grid-template-columns: minmax(0, 1.5fr) minmax(240px, 1fr);
   }
 
@@ -3305,6 +3309,8 @@
   }
 
   .global-export-controls {
+    flex: 1 1 auto;
+    width: 100%;
     grid-template-columns: 1fr;
     align-items: stretch;
   }
@@ -3322,6 +3328,7 @@
   }
 
   .task-center-card {
+    align-self: auto;
     width: 100%;
     justify-content: space-between;
   }