teamp tou uu giao dien

management/src/index.css

@@ -95,13 +95,36 @@ body {
   pointer-events: none;
 }
 
-.sidebar-collapse-toggle-pc {
-  opacity: 0.5;
-  transition: opacity 0.15s;
+/* ── Sidebar Edge Toggle (triangle tab at mid-right edge) ── */
+.sidebar-edge-toggle {
+  position: fixed;
+  left: 272px;
+  top: 50%;
+  transform: translateY(-50%);
+  z-index: 11;
+  width: 16px;
+  height: 48px;
+  background: var(--bg-sidebar);
+  border: 1px solid var(--border-color);
+  border-left: none;
+  border-radius: 0 6px 6px 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  color: var(--text-muted);
+  padding: 0;
+  transition: left 0.28s cubic-bezier(.4,0,.2,1), background 0.15s, color 0.15s;
+  box-shadow: 2px 0 6px rgba(0,0,0,0.06);
 }
-.sidebar-collapse-toggle-pc:hover {
-  opacity: 1;
-  color: var(--accent) !important;
+
+.sidebar-edge-toggle:hover {
+  background: var(--accent-light);
+  color: var(--accent);
+}
+
+.sidebar-edge-toggle--collapsed {
+  left: 0;
 }
 
 .sidebar > nav {
@@ -339,12 +362,6 @@ body {
   margin-left: 0;
 }
 
-.sidebar-expand-btn-pc:hover {
-  background: var(--accent-light) !important;
-  border-color: var(--accent) !important;
-  color: var(--accent) !important;
-}
-
 .page-viewport {
   flex: 1;
   min-height: 0;
@@ -4681,11 +4698,7 @@ input:checked + .slider:before {
     transform: translateX(0);
   }
 
-  .sidebar-collapse-toggle-pc {
-    display: none !important;
-  }
-
-  .sidebar-expand-btn-pc {
+  .sidebar-edge-toggle {
     display: none !important;
   }