diff --git a/src/app.css b/src/app.css
index f998837..31a81c4 100644
--- a/src/app.css
+++ b/src/app.css
@@ -2212,7 +2212,11 @@
     box-shadow: 0 18px 50px rgba(0,0,0,0.5);
   }
 
-  .branch-context-menu,
+  .branch-context-menu {
+    position: fixed;
+    max-height: calc(100vh - 16px);
+    overflow-y: auto;
+  }
   .history-context-menu { position: absolute; }
   .explorer-context-menu,
   .repo-tab-context-menu { position: fixed; }
diff --git a/src/lib/components/BranchPanel.svelte b/src/lib/components/BranchPanel.svelte
index c0888e3..18bae37 100644
--- a/src/lib/components/BranchPanel.svelte
+++ b/src/lib/components/BranchPanel.svelte
@@ -1,5 +1,6 @@
 <script lang="ts">
   import { Check, ChevronDown, ChevronRight, Folder, FolderOpen, GitBranch, GitCompare, GitMerge, HardDrive, Pencil, Plus, Tag as TagIcon, Trash2, Upload, X } from "@lucide/svelte";
+  import { tick } from "svelte";
   import type { GitBranch as GitBranchInfo, GitTag } from "../types";
 
   type BranchTreeNode = BranchFolderNode | BranchLeafNode;
@@ -99,11 +100,12 @@
   let newTagName = $state("");
   let newTagMessage = $state("");
   let tagCreateInput = $state<HTMLInputElement | null>(null);
-  let panelElement = $state<HTMLElement | null>(null);
   let contextBranch = $state<GitBranchInfo | null>(null);
+  let branchContextMenuElement = $state<HTMLElement | null>(null);
   let contextMenuX = $state(0);
   let contextMenuY = $state(0);
   let contextTag = $state<GitTag | null>(null);
+  let tagContextMenuElement = $state<HTMLElement | null>(null);
   let tagContextMenuX = $state(0);
   let tagContextMenuY = $state(0);
   let collapsedBranchFolders = $state<Set<string>>(new Set());
@@ -243,20 +245,31 @@
     onCheckout(branch);
   }
 
-  function openBranchContextMenu(event: MouseEvent, branch: GitBranchInfo) {
+  function fitContextMenuToViewport(element: HTMLElement | null, x: number, y: number) {
+    const rect = element?.getBoundingClientRect();
+    const width = rect?.width ?? 184;
+    const height = rect?.height ?? 0;
+
+    return {
+      x: Math.max(8, Math.min(x + 2, window.innerWidth - width - 8)),
+      y: Math.max(8, Math.min(y + 2, window.innerHeight - height - 8)),
+    };
+  }
+
+  async function openBranchContextMenu(event: MouseEvent, branch: GitBranchInfo) {
     event.preventDefault();
     event.stopPropagation();
     if (isBusy) return;
 
-    const rect = panelElement?.getBoundingClientRect();
-    const rawX = rect ? event.clientX - rect.left : event.offsetX;
-    const rawY = rect ? event.clientY - rect.top : event.offsetY;
-    const maxX = Math.max(8, (rect?.width ?? window.innerWidth) - 192);
-    const maxY = Math.max(8, (rect?.height ?? window.innerHeight) - 226);
-
     contextBranch = branch;
-    contextMenuX = Math.max(8, Math.min(rawX, maxX));
-    contextMenuY = Math.max(8, Math.min(rawY, maxY));
+    contextMenuX = event.clientX + 2;
+    contextMenuY = event.clientY + 2;
+    await tick();
+    if (contextBranch !== branch) return;
+
+    const position = fitContextMenuToViewport(branchContextMenuElement, event.clientX, event.clientY);
+    contextMenuX = position.x;
+    contextMenuY = position.y;
   }
 
   function closeBranchContextMenu() {
@@ -335,20 +348,20 @@
     tagsOpen = true;
   }
 
-  function openTagContextMenu(event: MouseEvent, tag: GitTag) {
+  async function openTagContextMenu(event: MouseEvent, tag: GitTag) {
     event.preventDefault();
     event.stopPropagation();
     if (isBusy) return;
 
-    const rect = panelElement?.getBoundingClientRect();
-    const rawX = rect ? event.clientX - rect.left : event.offsetX;
-    const rawY = rect ? event.clientY - rect.top : event.offsetY;
-    const maxX = Math.max(8, (rect?.width ?? window.innerWidth) - 192);
-    const maxY = Math.max(8, (rect?.height ?? window.innerHeight) - 130);
-
     contextTag = tag;
-    tagContextMenuX = Math.max(8, Math.min(rawX, maxX));
-    tagContextMenuY = Math.max(8, Math.min(rawY, maxY));
+    tagContextMenuX = event.clientX + 2;
+    tagContextMenuY = event.clientY + 2;
+    await tick();
+    if (contextTag !== tag) return;
+
+    const position = fitContextMenuToViewport(tagContextMenuElement, event.clientX, event.clientY);
+    tagContextMenuX = position.x;
+    tagContextMenuY = position.y;
   }
 
   function closeTagContextMenu() {
@@ -381,7 +394,7 @@
 
 <svelte:window on:click={closeAllContextMenus} on:keydown={handleWindowKeydown} on:contextmenu|capture={closeAllContextMenus} />
 
-<section bind:this={panelElement} class="panel branch-panel grid grid-rows-[auto_1fr] overflow-hidden" class:collapsed aria-label="Branches">
+<section class="panel branch-panel grid grid-rows-[auto_1fr] overflow-hidden" class:collapsed aria-label="Branches">
   <div class="section-head">
     <div>
       <span class="eyebrow">Branches</span>
@@ -676,6 +689,7 @@
 
   {#if contextBranch}
     <div
+      bind:this={branchContextMenuElement}
       class="branch-context-menu"
       style={`left: ${contextMenuX}px; top: ${contextMenuY}px;`}
       role="menu"
@@ -723,6 +737,7 @@
 
   {#if contextTag}
     <div
+      bind:this={tagContextMenuElement}
       class="branch-context-menu"
       style={`left: ${tagContextMenuX}px; top: ${tagContextMenuY}px;`}
       role="menu"