폴더창 보이기/숨기기 버튼 추가

src/renderer/style.css

@@ -103,6 +103,10 @@ header h1 {
 .workspace-controls {
   margin-left: auto;
 }
+.app-workspace.file-explorer-hidden aside,
+.app-workspace.file-explorer-hidden #sidebar-resizer {
+  display: none;
+}
 
 /* ── 앱 레이아웃 ── */
 .app-layout {
@@ -181,6 +185,10 @@ main {
 .btn-info:hover { background: #132e42; }
 .btn-info:disabled { opacity: .4; cursor: not-allowed; }
 .btn-info:not(.active) { opacity: .4; }
+.btn-accent { background: rgba(124,106,247,.16); color: var(--accent); border: 1px solid rgba(124,106,247,.38); }
+.btn-accent:hover { background: rgba(124,106,247,.24); }
+.btn-accent:disabled { opacity: .4; cursor: not-allowed; }
+.btn-accent:not(.active) { opacity: .4; }
 .sort-group {
   display: flex;
   background: #0d2535;