diff --git a/src-tauri/src/git.rs b/src-tauri/src/git.rs
index 4b326fe..356ccff 100644
--- a/src-tauri/src/git.rs
+++ b/src-tauri/src/git.rs
@@ -753,6 +753,66 @@ pub fn diff_file_against_working_tree(
     })
 }
 
+#[tauri::command]
+pub fn compare_file_to_head(
+    path: String,
+    commit: String,
+    file: String,
+) -> Result<GitCommitComparison, String> {
+    let repo = resolve_repo(&path)?;
+    validate_files(std::slice::from_ref(&file))?;
+    let commit_hash = verify_commit(&repo, &commit)?;
+    let head_hash = verify_commit(&repo, "HEAD")?;
+
+    let name_status = run_git_with_paths(
+        &repo,
+        &[
+            "diff",
+            "--name-status",
+            "-M",
+            "-z",
+            commit_hash.as_str(),
+            head_hash.as_str(),
+        ],
+        std::slice::from_ref(&file),
+    )?;
+    let numstat = run_git_with_paths(
+        &repo,
+        &[
+            "diff",
+            "--numstat",
+            "-M",
+            "-z",
+            commit_hash.as_str(),
+            head_hash.as_str(),
+        ],
+        std::slice::from_ref(&file),
+    )?;
+    let patch_output = run_git_with_paths(
+        &repo,
+        &[
+            "diff",
+            "-M",
+            FULL_FILE_DIFF_CONTEXT,
+            commit_hash.as_str(),
+            head_hash.as_str(),
+        ],
+        std::slice::from_ref(&file),
+    )?;
+
+    let files = parse_diff_files(&name_status, &numstat)?;
+    let patch = String::from_utf8_lossy(&patch_output).to_string();
+
+    Ok(GitCommitComparison {
+        from_short: short_hash(&commit_hash),
+        to_short: "HEAD".to_string(),
+        from_hash: commit_hash,
+        to_hash: head_hash,
+        files,
+        patch,
+    })
+}
+
 #[tauri::command]
 pub fn read_conflict(path: String, file: String) -> Result<ConflictFile, String> {
     let repo = resolve_repo(&path)?;
@@ -2497,6 +2557,35 @@ mod tests {
         assert!(comparison.patch.contains("working tree change"));
     }
 
+    #[test]
+    fn compare_file_to_head_reports_selected_file_against_current_commit() {
+        let repo = init_temp_repo("compare_file_to_head");
+        commit_initial_file(&repo.path);
+        let first_commit = git_output_test(&repo.path, ["rev-parse", "HEAD"]);
+
+        fs::write(repo.path.join("old.txt"), "original\nsecond line\n")
+            .expect("tracked file should change");
+        fs::write(repo.path.join("other.txt"), "other file\n")
+            .expect("other file should be written");
+        run_git_test(&repo.path, ["add", "old.txt", "other.txt"]);
+        run_git_test(&repo.path, ["commit", "-q", "-m", "second"]);
+        let head_commit = git_output_test(&repo.path, ["rev-parse", "HEAD"]);
+
+        let comparison = compare_file_to_head(
+            repo.path.to_string_lossy().to_string(),
+            first_commit,
+            "old.txt".to_string(),
+        )
+        .unwrap();
+
+        assert_eq!(comparison.to_hash, head_commit);
+        assert_eq!(comparison.to_short, "HEAD");
+        assert_eq!(comparison.files.len(), 1);
+        assert_eq!(comparison.files[0].path, "old.txt");
+        assert!(comparison.patch.contains("second line"));
+        assert!(!comparison.patch.contains("other file"));
+    }
+
     #[test]
     fn read_and_resolve_conflict_round_trip() {
         let repo = init_temp_repo("resolve_conflict");
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index 003cdc5..c5e5f62 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -3,11 +3,12 @@
 mod git;
 
 use git::{
-    cancel_code_search, checkout_branch, commit, compare_commits, diff_file_against_working_tree,
-    get_status, list_branches, list_commits, list_file_history, list_repository_files,
-    merge_branch, open_repository, pull, push, read_conflict, resolve_conflict,
-    resolve_conflict_side, restore_file_from_commit, restore_files, restore_to_commit,
-    search_code_introductions, stage_files, unstage_files, SearchCancellationState,
+    cancel_code_search, checkout_branch, commit, compare_commits, compare_file_to_head,
+    diff_file_against_working_tree, get_status, list_branches, list_commits, list_file_history,
+    list_repository_files, merge_branch, open_repository, pull, push, read_conflict,
+    resolve_conflict, resolve_conflict_side, restore_file_from_commit, restore_files,
+    restore_to_commit, search_code_introductions, stage_files, unstage_files,
+    SearchCancellationState,
 };
 
 fn main() {
@@ -32,6 +33,7 @@ fn main() {
             list_repository_files,
             list_file_history,
             compare_commits,
+            compare_file_to_head,
             diff_file_against_working_tree,
             search_code_introductions,
             cancel_code_search,
diff --git a/src/App.svelte b/src/App.svelte
index e981d80..a1ea7ca 100644
--- a/src/App.svelte
+++ b/src/App.svelte
@@ -22,6 +22,7 @@
     compareCommits,
     cancelCodeSearch,
     diffFileAgainstWorkingTree,
+    compareFileToHead,
     getStatus,
     listBranches,
     listCommits,
@@ -79,6 +80,7 @@
   let comparison: GitCommitComparison | null = null;
   let compareDialogOpen = false;
   let selectedDiffPath = "";
+  let pendingRestoreFile: { commit: GitCommit; file: GitCommitFile } | null = null;
   let globalSearchOpen = false;
   let globalSearchResults: GitSearchHit[] = [];
   let globalSearchBusy = false;
@@ -211,6 +213,7 @@
       comparison = null;
       compareDialogOpen = false;
       selectedDiffPath = "";
+      pendingRestoreFile = null;
     }
   }
 
@@ -242,7 +245,7 @@
       selectedExplorerPath = ""; selectedExplorerKind = "file";
       expandedExplorerPaths = new Set(); expandedCommitHashes = new Set();
       fileHistory = []; compareFrom = ""; compareTo = "";
-      comparison = null; compareDialogOpen = false; selectedDiffPath = "";
+      comparison = null; compareDialogOpen = false; selectedDiffPath = ""; pendingRestoreFile = null;
       if (globalSearchBusy) void cancelGlobalSearch();
       globalSearchResults = []; globalSearchOpen = false; globalSearchError = "";
       resolveDialogOpen = false; conflictTarget = ""; conflict = null;
@@ -433,15 +436,30 @@
     });
   }
 
-  async function restoreCommitFile(target: GitCommit, file: GitCommitFile) {
-    if (!activeRepoPath) return;
+  async function restoreCommitFile(target: GitCommit, file: GitCommitFile): Promise<boolean> {
+    if (!activeRepoPath) return false;
     const confirmed = window.confirm(`Restore ${file.path} from ${target.short_hash}?\n\nThis changes the file in your working tree so you can review and commit it.`);
-    if (!confirmed) return;
+    if (!confirmed) return false;
     await runOperation(`Restoring ${file.path}`, async () => {
       applyStatus(await restoreFileFromCommit(activeRepoPath, target.hash, file.path));
       await refreshExplorerFiles(activeRepoPath);
       await refreshFileHistory(activeRepoPath);
     });
+    return !errorMessage;
+  }
+
+  async function previewCommitFileFromHistory(target: GitCommit, file: GitCommitFile) {
+    if (!activeRepoPath) return;
+    await runOperation(`Diffing ${file.path}`, async () => {
+      const result = await compareFileToHead(activeRepoPath, target.hash, file.path);
+      const matchingFile = result.files.find((diffFile) =>
+        diffFile.path === file.path || diffFile.old_path === file.old_path || diffFile.old_path === file.path,
+      );
+      comparison = result;
+      selectedDiffPath = matchingFile?.path ?? result.files[0]?.path ?? file.path;
+      pendingRestoreFile = { commit: target, file };
+      compareDialogOpen = true;
+    });
   }
 
   // ── Explorer interaction ───────────────────────────────────────────────────
@@ -482,6 +500,7 @@
       const result = await compareCommits(activeRepoPath, compareFrom, compareTo);
       comparison = result;
       selectedDiffPath = result.files[0]?.path ?? "";
+      pendingRestoreFile = null;
       compareDialogOpen = true;
     });
   }
@@ -492,6 +511,7 @@
       const result = await diffFileAgainstWorkingTree(activeRepoPath, historyCommit.hash, selectedExplorerPath);
       comparison = result;
       selectedDiffPath = result.files[0]?.path ?? selectedExplorerPath;
+      pendingRestoreFile = null;
       compareDialogOpen = true;
     });
   }
@@ -500,6 +520,17 @@
     if (comparison) compareDialogOpen = true;
   }
 
+  function closeCompareDialog() {
+    compareDialogOpen = false;
+    pendingRestoreFile = null;
+  }
+
+  async function restorePreviewedCommitFile() {
+    if (!pendingRestoreFile) return;
+    const restored = await restoreCommitFile(pendingRestoreFile.commit, pendingRestoreFile.file);
+    if (restored) closeCompareDialog();
+  }
+
   function selectDiffFile(file: GitDiffFile) {
     selectedDiffPath = file.path;
   }
@@ -614,7 +645,7 @@
   function submitRepo(event: SubmitEvent) { event.preventDefault(); void openRepo(); }
 
   function handleWindowKeydown(event: KeyboardEvent) {
-    if (event.key === "Escape" && compareDialogOpen) compareDialogOpen = false;
+    if (event.key === "Escape" && compareDialogOpen) closeCompareDialog();
     else if (event.key === "Escape" && globalSearchOpen) closeGlobalSearchDialog();
   }
 </script>
@@ -796,7 +827,7 @@
           {isBusy}
           {expandedCommitHashes}
           onRestoreCommit={restoreCommit}
-          onRestoreCommitFile={restoreCommitFile}
+          onPreviewCommitFile={previewCommitFileFromHistory}
           onToggleCommitFiles={(hash) => {
             const next = new Set(expandedCommitHashes);
             if (next.has(hash)) next.delete(hash); else next.add(hash);
@@ -823,7 +854,9 @@
     {comparison}
     {selectedDiffPath}
     {isBusy}
-    onClose={() => { compareDialogOpen = false; }}
+    restoreLabel={pendingRestoreFile ? "Restore file" : ""}
+    onClose={closeCompareDialog}
+    onRestore={restorePreviewedCommitFile}
     onSelectFile={selectDiffFile}
   />
 {/if}
diff --git a/src/app.css b/src/app.css
index 6f18bc1..b77c3d1 100644
--- a/src/app.css
+++ b/src/app.css
@@ -817,6 +817,10 @@
   }
 
   .dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--color-border-subtle); background: var(--color-surface-dim); }
+  .dialog-header > div:first-child { min-width: 0; }
+  .dialog-header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex: 0 0 auto; min-width: 0; }
+  .compare-restore { max-width: 170px; min-width: 0; }
+  .compare-restore span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
 
   .dialog-range { display: flex; align-items: center; gap: 8px; margin: 2px 0 0; color: var(--color-accent); font-size: 15px; }
   .dialog-title { margin: 2px 0 0; color: var(--color-ink); font-size: 15px; font-weight: 600; }
@@ -1130,54 +1134,92 @@
   .cred-card {
     display: flex;
     flex-direction: column;
-    width: min(420px, 100%);
+    width: min(500px, calc(100vw - 32px));
     max-height: calc(100vh - 48px);
-    border: 1px solid var(--color-border);
+    border: 1px solid rgba(100, 108, 255, 0.36);
     border-radius: 14px;
-    background: var(--color-surface);
-    box-shadow: 0 28px 72px rgba(0, 0, 0, 0.65), 0 2px 12px rgba(0,0,0,0.35);
+    background:
+      linear-gradient(180deg, rgba(255,255,255,0.06), transparent 42%),
+      rgba(15, 16, 28, 0.96);
+    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.68), 0 0 0 1px rgba(255,255,255,0.04) inset;
     overflow: hidden;
+    backdrop-filter: blur(18px);
   }
 
   .cred-hero {
+    display: grid;
+    gap: 12px;
+    padding: 20px 22px 18px;
+    border-bottom: 1px solid rgba(255,255,255,0.07);
+    background:
+      linear-gradient(135deg, rgba(100,108,255,0.24), rgba(189,52,254,0.18) 46%, rgba(65,209,255,0.09)),
+      var(--color-bar);
+  }
+
+  .cred-hero-top {
     display: flex;
     align-items: center;
     gap: 14px;
-    padding: 20px 20px 20px 22px;
-    background: var(--color-bar);
-    border-bottom: 1px solid rgba(255,255,255,0.05);
+    min-width: 0;
   }
 
   .cred-hero-icon {
     display: flex;
     align-items: center;
     justify-content: center;
-    width: 48px;
-    height: 48px;
+    width: 50px;
+    height: 50px;
     flex-shrink: 0;
     border-radius: 12px;
-    background: rgba(90,140,248,0.2);
-    color: var(--color-primary);
-    border: 1px solid rgba(90,140,248,0.3);
+    border: 1px solid rgba(255,255,255,0.16);
+    color: #ffffff;
+    background:
+      linear-gradient(135deg, rgba(65,209,255,0.32), rgba(100,108,255,0.5) 46%, rgba(189,52,254,0.48));
+    box-shadow: 0 14px 36px rgba(100,108,255,0.22), inset 0 1px 0 rgba(255,255,255,0.18);
   }
 
   .cred-hero-text { flex: 1; min-width: 0; }
   .cred-hero-label {
     margin: 0 0 2px;
-    color: var(--color-bar-muted);
+    color: #aeb8ff;
     font-size: 11px;
-    font-weight: 700;
+    font-weight: 800;
     letter-spacing: 0.08em;
     text-transform: uppercase;
   }
   .cred-hero-title {
     margin: 0;
     color: #ffffff;
-    font-size: 16px;
-    font-weight: 700;
-    line-height: 1.2;
+    font-size: 19px;
+    font-weight: 800;
+    line-height: 1.15;
   }
 
+  .cred-hero-copy {
+    max-width: 420px;
+    margin: 0;
+    color: #c4caea;
+    font-size: 13px;
+    line-height: 1.45;
+  }
+
+  .cred-security-note {
+    display: inline-flex;
+    align-items: center;
+    justify-self: start;
+    gap: 7px;
+    min-height: 26px;
+    padding: 0 9px;
+    border: 1px solid rgba(65,209,255,0.18);
+    border-radius: 999px;
+    color: #bfefff;
+    background: rgba(65,209,255,0.08);
+    font-size: 11.5px;
+    font-weight: 700;
+  }
+  .cred-security-note svg { flex: 0 0 auto; color: #41d1ff; }
+  .cred-security-note span { min-width: 0; }
+
   .cred-close {
     display: flex;
     align-items: center;
@@ -1186,10 +1228,10 @@
     height: 30px;
     flex-shrink: 0;
     padding: 0;
-    border: 1px solid rgba(255,255,255,0.1);
-    border-radius: 7px;
-    background: transparent;
-    color: var(--color-bar-muted);
+    border: 1px solid rgba(255,255,255,0.12);
+    border-radius: 8px;
+    background: rgba(255,255,255,0.04);
+    color: #aeb8ff;
     cursor: pointer;
     transition: background 0.12s, color 0.12s;
   }
@@ -1202,18 +1244,20 @@
   .cred-body {
     display: flex;
     flex-direction: column;
-    gap: 16px;
-    padding: 20px;
+    gap: 14px;
+    padding: 18px 22px 20px;
     overflow: auto;
+    background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent);
   }
 
   .cred-segment {
-    display: flex;
-    gap: 0;
-    padding: 3px;
-    border: 1px solid var(--color-border);
-    border-radius: 9px;
-    background: var(--color-surface-dim);
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
+    gap: 4px;
+    padding: 4px;
+    border: 1px solid rgba(100,108,255,0.28);
+    border-radius: 10px;
+    background: rgba(8, 9, 18, 0.58);
   }
 
   .cred-seg-btn {
@@ -1222,23 +1266,23 @@
     align-items: center;
     justify-content: center;
     gap: 6px;
-    min-height: 32px;
+    min-height: 34px;
     padding: 0 12px;
     border: 1px solid transparent;
-    border-radius: 7px;
+    border-radius: 8px;
     background: transparent;
     color: var(--color-ink-dim);
-    font-size: 13px;
-    font-weight: 600;
+    font-size: 12.5px;
+    font-weight: 800;
     cursor: pointer;
     transition: background 0.14s, color 0.14s, border-color 0.14s;
   }
   .cred-seg-btn:hover:not(.active) { color: var(--color-ink-muted); }
   .cred-seg-btn.active {
-    background: var(--color-surface-raised);
-    border-color: var(--color-border-input);
+    background: linear-gradient(135deg, rgba(100,108,255,0.28), rgba(65,209,255,0.12));
+    border-color: rgba(65,209,255,0.36);
     color: var(--color-ink);
-    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
+    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255,255,255,0.06);
   }
 
   .cred-fields { display: flex; flex-direction: column; gap: 12px; }
@@ -1247,7 +1291,7 @@
 
   .cred-field-label {
     font-size: 12px;
-    font-weight: 700;
+    font-weight: 800;
     color: var(--color-ink-muted);
     letter-spacing: 0.03em;
   }
@@ -1257,19 +1301,22 @@
     display: flex;
     align-items: center;
   }
-  .cred-input :global(.cred-field-icon) {
+  .cred-input .cred-field-icon {
     position: absolute;
     left: 11px;
     color: var(--color-ink-faint);
     pointer-events: none;
   }
   .cred-input input {
-    height: 40px;
+    height: 42px;
     padding-left: 34px;
     padding-right: 40px;
-    border-radius: 8px;
+    border-radius: 9px;
+    border-color: rgba(65,209,255,0.22);
+    background: rgba(7, 8, 16, 0.7);
     font-size: 14px;
   }
+  .cred-input input::placeholder { color: rgba(168,177,216,0.48); }
 
   .cred-reveal {
     position: absolute;
@@ -1293,10 +1340,10 @@
     display: flex;
     align-items: flex-start;
     gap: 8px;
-    padding: 10px 12px;
+    padding: 10px 11px;
     border-radius: 8px;
-    border: 1px solid rgba(90,140,248,0.25);
-    background: rgba(90,140,248,0.08);
+    border: 1px solid rgba(65,209,255,0.22);
+    background: linear-gradient(135deg, rgba(65,209,255,0.08), rgba(100,108,255,0.07));
     color: var(--color-ink-muted);
     font-size: 12px;
     line-height: 1.55;
@@ -1330,8 +1377,8 @@
     display: flex;
     align-items: center;
     justify-content: space-between;
-    gap: 12px;
-    padding-top: 4px;
+    gap: 14px;
+    padding-top: 8px;
     border-top: 1px solid var(--color-border-subtle);
   }
 
@@ -1345,7 +1392,7 @@
   .cred-save input[type="checkbox"] { width: auto; height: auto; cursor: pointer; }
   .cred-save span { font-size: 12.5px; color: var(--color-ink-dim); }
 
-  .cred-btns { display: flex; gap: 8px; }
+  .cred-btns { display: flex; gap: 8px; flex-shrink: 0; }
 
   .cred-cancel {
     min-height: 36px;
@@ -1371,9 +1418,9 @@
     gap: 6px;
     min-height: 36px;
     padding: 0 16px;
-    border: 1px solid var(--color-primary-dark);
+    border: 1px solid rgba(100,108,255,0.78);
     border-radius: 7px;
-    background: var(--color-primary);
+    background: linear-gradient(135deg, #646cff, #bd34fe);
     color: #ffffff;
     font-size: 13px;
     font-weight: 700;
@@ -1381,8 +1428,8 @@
     transition: background 0.12s, border-color 0.12s;
   }
   .cred-submit:hover:not(:disabled) {
-    background: var(--color-primary-dark);
-    border-color: #3a68e0;
+    background: linear-gradient(135deg, #747bff, #c966ff);
+    border-color: rgba(65,209,255,0.7);
   }
   .cred-submit:disabled { opacity: 0.45; cursor: not-allowed; }
 
diff --git a/src/lib/components/CompareDialog.svelte b/src/lib/components/CompareDialog.svelte
index d8100b4..effcb7b 100644
--- a/src/lib/components/CompareDialog.svelte
+++ b/src/lib/components/CompareDialog.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-  import { ArrowRight, FileCode, X } from "@lucide/svelte";
+  import { ArrowRight, FileCode, RotateCcw, X } from "@lucide/svelte";
   import type { GitCommitComparison, GitDiffFile, FileStatusKind } from "../types";
 
   type SplitRow =
@@ -14,7 +14,9 @@
     comparison: GitCommitComparison;
     selectedDiffPath: string;
     isBusy: boolean;
+    restoreLabel?: string;
     onClose: () => void;
+    onRestore?: () => void;
     onSelectFile: (file: GitDiffFile) => void;
   }
 
@@ -22,7 +24,9 @@
     comparison,
     selectedDiffPath = "",
     isBusy = false,
+    restoreLabel = "",
     onClose = () => {},
+    onRestore = undefined,
     onSelectFile = () => {},
   }: Props = $props();
 
@@ -175,9 +179,17 @@
           <span class="hash">{comparison.to_short}</span>
         </h2>
       </div>
-      <button class="dialog-close" type="button" onclick={onClose} title="Close">
-        <X size={18} aria-hidden="true" />
-      </button>
+      <div class="dialog-header-actions">
+        {#if restoreLabel && onRestore}
+          <button class="btn-secondary compare-restore" type="button" onclick={onRestore} disabled={isBusy} title={restoreLabel}>
+            <RotateCcw size={15} aria-hidden="true" />
+            <span>{restoreLabel}</span>
+          </button>
+        {/if}
+        <button class="dialog-close" type="button" onclick={onClose} title="Close">
+          <X size={18} aria-hidden="true" />
+        </button>
+      </div>
     </header>
 
     {#if comparison.files.length === 0}
diff --git a/src/lib/components/CredentialDialog.svelte b/src/lib/components/CredentialDialog.svelte
index b008b94..452f136 100644
--- a/src/lib/components/CredentialDialog.svelte
+++ b/src/lib/components/CredentialDialog.svelte
@@ -7,6 +7,7 @@
     Key,
     LoaderCircle,
     Lock,
+    ShieldCheck,
     Upload,
     User,
     X,
@@ -41,6 +42,11 @@
     password.trim().length > 0 &&
     (mode === "token" || username.trim().length > 0),
   );
+  let actionLabel = $derived(action === "push" ? "Push" : "Pull");
+  let actionTitle = $derived(action === "push" ? "Push authentifizieren" : "Pull authentifizieren");
+  let actionHint = $derived(action === "push"
+    ? "Der Remote braucht Schreibrechte. Nutze ein Passwort oder einen Token mit passenden Repository-Rechten."
+    : "Der Remote braucht Zugriff auf das Repository. Nutze deine Git-Zugangsdaten oder einen Personal Access Token.");
 
   function handleSubmit(e: SubmitEvent) {
     e.preventDefault();
@@ -55,29 +61,33 @@
   onclick={(e) => { if (e.target === e.currentTarget) onCancel(); }}
 >
   <div class="cred-card" role="dialog" aria-modal="true" aria-label="Git-Zugangsdaten" tabindex="-1">
-
-    <!-- Hero header -->
     <div class="cred-hero">
-      <div class="cred-hero-icon">
-        {#if action === "push"}
-          <Upload size={28} aria-hidden="true" />
-        {:else}
-          <Download size={28} aria-hidden="true" />
-        {/if}
+      <div class="cred-hero-top">
+        <div class="cred-hero-icon">
+          {#if action === "push"}
+            <Upload size={27} aria-hidden="true" />
+          {:else}
+            <Download size={27} aria-hidden="true" />
+          {/if}
+        </div>
+        <div class="cred-hero-text">
+          <p class="cred-hero-label">{actionLabel} Remote</p>
+          <h2 class="cred-hero-title">{actionTitle}</h2>
+        </div>
+        <button class="cred-close" type="button" onclick={onCancel} title="Abbrechen" aria-label="Abbrechen">
+          <X size={16} aria-hidden="true" />
+        </button>
       </div>
-      <div class="cred-hero-text">
-        <p class="cred-hero-label">{action === "push" ? "Push" : "Pull"}</p>
-        <h2 class="cred-hero-title">Zugangsdaten erforderlich</h2>
+
+      <p class="cred-hero-copy">{actionHint}</p>
+
+      <div class="cred-security-note">
+        <ShieldCheck size={14} aria-hidden="true" />
+        <span>Wird nur an Git fuer diese Remote-Operation weitergegeben.</span>
       </div>
-      <button class="cred-close" type="button" onclick={onCancel} title="Abbrechen" aria-label="Abbrechen">
-        <X size={16} aria-hidden="true" />
-      </button>
     </div>
 
-    <!-- Form -->
     <form class="cred-body" onsubmit={handleSubmit}>
-
-      <!-- Mode segmented control -->
       <div class="cred-segment" role="group" aria-label="Authentifizierungsart">
         <button
           type="button"
@@ -87,7 +97,7 @@
           aria-pressed={mode === "credentials"}
         >
           <User size={13} aria-hidden="true" />
-          Username & Passwort
+          Username + Passwort
         </button>
         <button
           type="button"
@@ -101,7 +111,6 @@
         </button>
       </div>
 
-      <!-- Fields -->
       <div class="cred-fields">
         {#if mode === "credentials"}
           <div class="cred-field">
@@ -131,7 +140,7 @@
               type={showPassword ? "text" : "password"}
               bind:value={password}
               placeholder={mode === "token"
-                ? "ghp_… oder anderer Zugangstoken"
+                ? "ghp_... oder anderer Zugangstoken"
                 : "Passwort oder Personal Access Token"}
               autocomplete="current-password"
               disabled={isBusy}
@@ -153,15 +162,13 @@
         </div>
       </div>
 
-      <!-- Token hint -->
       {#if mode === "token"}
         <div class="cred-token-hint">
           <Key size={13} aria-hidden="true" />
-          <span>Username wird automatisch auf <code>oauth2</code> gesetzt — funktioniert mit GitHub, GitLab & Bitbucket.</span>
+          <span>Username wird automatisch auf <code>oauth2</code> gesetzt. Das funktioniert mit GitHub, GitLab und Bitbucket.</span>
         </div>
       {/if}
 
-      <!-- Error banner -->
       {#if error}
         <div class="cred-error" role="alert">
           <AlertCircle size={14} aria-hidden="true" />
@@ -169,11 +176,10 @@
         </div>
       {/if}
 
-      <!-- Footer -->
       <div class="cred-footer">
         <label class="cred-save">
           <input type="checkbox" bind:checked={saveSession} disabled={isBusy} />
-          <span>Für diese Sitzung merken</span>
+          <span>Fuer diese Sitzung merken</span>
         </label>
 
         <div class="cred-btns">
@@ -188,11 +194,10 @@
             {:else}
               <Download size={15} aria-hidden="true" />
             {/if}
-            {action === "push" ? "Push" : "Pull"}
+            {actionLabel}
           </button>
         </div>
       </div>
-
     </form>
   </div>
 </div>
diff --git a/src/lib/components/HistoryPanel.svelte b/src/lib/components/HistoryPanel.svelte
index 407698a..1b1cc7f 100644
--- a/src/lib/components/HistoryPanel.svelte
+++ b/src/lib/components/HistoryPanel.svelte
@@ -27,7 +27,7 @@
     isBusy: boolean;
     expandedCommitHashes: Set<string>;
     onRestoreCommit: (commit: GitCommit) => void;
-    onRestoreCommitFile: (commit: GitCommit, file: GitCommitFile) => void;
+    onPreviewCommitFile: (commit: GitCommit, file: GitCommitFile) => void;
     onToggleCommitFiles: (hash: string) => void;
   }
 
@@ -37,7 +37,7 @@
     isBusy = false,
     expandedCommitHashes = new Set(),
     onRestoreCommit = () => {},
-    onRestoreCommitFile = () => {},
+    onPreviewCommitFile = () => {},
     onToggleCommitFiles = () => {},
   }: Props = $props();
 
@@ -204,9 +204,9 @@
                       <button
                         class="commit-file-button"
                         type="button"
-                        onclick={() => onRestoreCommitFile(item, file)}
+                        onclick={() => onPreviewCommitFile(item, file)}
                         disabled={isBusy}
-                        title="Restore this file from this commit"
+                        title="Show differences before restoring"
                       >
                         <span class={`status-badge ${file.status}`}>{statusLabel(file.status)}</span>
                         <strong>{displayCommitFile(file)}</strong>
diff --git a/src/lib/git.ts b/src/lib/git.ts
index 2884baa..7de88b2 100644
--- a/src/lib/git.ts
+++ b/src/lib/git.ts
@@ -98,6 +98,14 @@ export function diffFileAgainstWorkingTree(
   return invoke<GitCommitComparison>("diff_file_against_working_tree", { path, commit, file });
 }
 
+export function compareFileToHead(
+  path: string,
+  commit: string,
+  file: string,
+): Promise<GitCommitComparison> {
+  return invoke<GitCommitComparison>("compare_file_to_head", { path, commit, file });
+}
+
 export function searchCodeIntroductions(
   path: string,
   query: string,