diff --git a/src/modules/first-leg/components/CustomsDocumentsDialog.vue b/src/modules/first-leg/components/CustomsDocumentsDialog.vue
index 996dd7f..5b05e43 100644
--- a/src/modules/first-leg/components/CustomsDocumentsDialog.vue
+++ b/src/modules/first-leg/components/CustomsDocumentsDialog.vue
@@ -383,6 +383,9 @@ function clearanceResultStatusLabel(value: MerchantClearanceResult) {
 </template>
 
 <style scoped>
+:global(.customs-documents-dialog.el-dialog) { display: flex; max-height: 70vh; flex-direction: column; overflow: hidden; }
+:global(.customs-documents-dialog .el-dialog__header), :global(.customs-documents-dialog .el-dialog__footer) { flex: 0 0 auto; }
+:global(.customs-documents-dialog .el-dialog__body) { min-height: 0; flex: 1 1 auto; overflow-y: auto; overscroll-behavior: contain; }
 .customs-error { display: grid; gap: 10px; justify-items: start; padding: 22px; border: 1px solid #f1b8b8; background: #fff7f7; color: #9f2d2d; }
 .customs-error span { overflow-wrap: anywhere; font-size: 12px; }
 .customs-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)) auto; align-items: center; gap: 18px; padding: 16px 18px; border: 1px solid var(--border); background: #f8faf9; }