diff --git a/src/renderer/index.html b/src/renderer/index.html
index 7e082f5..80f2ee4 100644
--- a/src/renderer/index.html
+++ b/src/renderer/index.html
@@ -10,17 +10,21 @@
 
 <div id="titlebar">
   <h1>📷 Photo Renamer</h1>
-  <span class="dir-path" id="dir-path">폴더를 선택하세요</span>
 </div>
 
 <div id="toolbar">
   <button class="btn btn-primary" id="btn-open">📁 폴더 열기</button>
   <div class="separator"></div>
-  <button class="btn btn-ghost" id="btn-sort-name">이름순 정렬</button>
-  <button class="btn btn-ghost" id="btn-sort-date">날짜순 정렬</button>
+  <div class="sort-group">
+    <button class="sort-btn" id="btn-sort-name">이름순</button>
+    <button class="sort-btn" id="btn-sort-date">날짜순</button>
+  </div>
   <div class="separator"></div>
   <button class="btn btn-success" id="btn-rename" disabled>✅ 이름 변경 실행</button>
-  <button class="btn btn-ghost" id="btn-reveal" style="margin-left:auto;" disabled>Finder에서 열기</button>
+  <div style="margin-left:auto; display:flex; align-items:center; gap:8px;">
+    <span class="dir-path" id="dir-path">폴더를 선택하세요</span>
+    <button class="btn btn-ghost" id="btn-reveal" disabled>Finder에서 열기</button>
+  </div>
 </div>
 
 <div id="format-bar">
diff --git a/src/renderer/renderer.js b/src/renderer/renderer.js
index a5e4700..99dfee9 100644
--- a/src/renderer/renderer.js
+++ b/src/renderer/renderer.js
@@ -75,6 +75,8 @@ async function openFolder() {
   state.files.length = 0;
   state.files.push(...list);
   state.selectedIdxs.clear();
+  state.sortMode = 'name';
+  updateSortButtons();
   setStatus(`${state.files.length}개 파일 로드됨`, true);
 
   const folderName = folder.replace(/\\/g, '/').split('/').pop();
@@ -169,11 +171,18 @@ async function sortFiles(mode) {
   if (!state.files.length) return;
   if (mode === 'name') state.files.sort((a, b) => a.name.localeCompare(b.name, 'ko'));
   else                 state.files.sort((a, b) => a.mtime - b.mtime);
+  state.sortMode = mode;
   state.selectedIdxs.clear();
+  updateSortButtons();
   await renderGrid();
   setStatus(`${mode === 'name' ? '이름순' : '날짜순'}으로 정렬됨`, true);
 }
 
+function updateSortButtons() {
+  btnSortName.classList.toggle('active', state.sortMode === 'name');
+  btnSortDate.classList.toggle('active', state.sortMode === 'date');
+}
+
 // ── 미리보기 ─────────────────────────────────────
 function updatePreview() {
   const prefix = inputPrefix.value.trim() || 'photo';
diff --git a/src/renderer/state.js b/src/renderer/state.js
index f58c0b6..bfb8c9a 100644
--- a/src/renderer/state.js
+++ b/src/renderer/state.js
@@ -2,4 +2,5 @@ export const state = {
   files: [],
   currentFolder: null,
   selectedIdxs: new Set(),
+  sortMode: null,
 };
diff --git a/src/renderer/style.css b/src/renderer/style.css
index 349792b..255d6f9 100644
--- a/src/renderer/style.css
+++ b/src/renderer/style.css
@@ -56,10 +56,10 @@ body.fullscreen #titlebar {
   font-size: 13px; font-weight: 600; color: var(--muted);
   letter-spacing: .08em; text-transform: uppercase;
 }
-#titlebar .dir-path {
+.dir-path {
   font-family: 'JetBrains Mono', monospace;
   font-size: 11px; color: var(--muted); opacity: .7;
-  max-width: 400px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
+  max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
 }
 
 /* ── 툴바 ── */
@@ -80,6 +80,24 @@ body.fullscreen #titlebar {
 .btn-primary:hover { background: #9180ff; transform: translateY(-1px); }
 .btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
 .btn-ghost:hover { background: var(--card); color: var(--text); }
+.sort-group {
+  display: flex;
+  background: var(--card);
+  border: 1px solid var(--border);
+  border-radius: 8px;
+  padding: 3px;
+  gap: 2px;
+}
+.sort-btn {
+  display: inline-flex; align-items: center;
+  padding: 4px 12px; border-radius: 5px; border: none;
+  font-family: inherit; font-size: 13px; font-weight: 500;
+  cursor: pointer;
+  background: transparent; color: var(--muted);
+  transition: background .15s, color .15s;
+}
+.sort-btn:hover { background: var(--surface); color: var(--text); }
+.sort-btn.active { background: var(--accent); color: #fff; }
 .btn-success { background: #1a4a2e; color: var(--success); border: 1px solid #2a6a40; }
 .btn-success:hover { background: #204a34; }
 .btn-success:disabled { opacity: .4; cursor: not-allowed; transform: none; }