diff --git a/src/renderer/index.html b/src/renderer/index.html
index d94e74d..6231561 100644
--- a/src/renderer/index.html
+++ b/src/renderer/index.html
@@ -14,15 +14,14 @@
 
 <div id="toolbar">
   <button class="btn btn-warning" id="btn-open"><span>📁</span>폴더 열기 (O)</button>
+  <button class="btn btn-success" id="btn-rename" disabled><span>✅</span>이름 변경 실행 (S)</button>
   <div class="separator"></div>
   <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><span>✅</span>이름 변경 실행 (S)</button>
-  <div class="separator"></div>
-  <button class="btn btn-ghost active" id="btn-preview-toggle">🔍 미리보기</button>
+  <button class="btn btn-info active" id="btn-preview-toggle">🔍 미리보기</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-warning" id="btn-reveal" disabled>Finder에서 열기</button>
diff --git a/src/renderer/style.css b/src/renderer/style.css
index e47bd5c..c5ed2c5 100644
--- a/src/renderer/style.css
+++ b/src/renderer/style.css
@@ -9,6 +9,7 @@
   --accent2:    #e96af7;
   --success:    #6af7a0;
   --warning:    #f7c26a;
+  --info:       #6ac8f7;
   --text:       #e8e8f0;
   --muted:      #6b6b8a;
   --drag-over:  #3a2e70;
@@ -83,10 +84,14 @@ body.fullscreen #titlebar {
 .btn-ghost:hover { background: var(--card); }
 .btn-ghost:disabled { color: var(--muted); border-color: var(--border); opacity: .4; cursor: not-allowed; }
 .btn-ghost.active { border-color: var(--accent); color: var(--accent); }
+.btn-info { background: #0d2535; color: var(--info); border: 1px solid #1a4060; }
+.btn-info:hover { background: #132e42; }
+.btn-info:disabled { opacity: .4; cursor: not-allowed; }
+.btn-info:not(.active) { opacity: .4; }
 .sort-group {
   display: flex;
-  background: var(--card);
-  border: 1px solid var(--border);
+  background: #0d2535;
+  border: 1px solid #1a4060;
   border-radius: 8px;
   padding: 3px;
   gap: 2px;
@@ -99,8 +104,8 @@ body.fullscreen #titlebar {
   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; }
+.sort-btn:hover { background: #132e42; color: var(--info); }
+.sort-btn.active { background: #1a3a4a; color: var(--info); }
 .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; }