fix: keep task overlays above workspace chrome (#247)

Author: kinqsradio

desktop/src/features/tasks/task.css

@@ -2,7 +2,8 @@
 .drawer-backdrop {
   position: fixed;
   inset: 0;
-  z-index: 4;
+  /* Keep the drawer header and Close above workspace chrome and its dock. */
+  z-index: 100;
   display: flex;
   justify-content: flex-end;
   background: var(--color-backdrop);

desktop/src/styles/global.css

@@ -1130,7 +1130,8 @@ footer svg {
   inset: 0;
   background: var(--color-backdrop);
   backdrop-filter: none;
-  z-index: 5;
+  /* Editors sit above workspace chrome and the overlay dock (90). */
+  z-index: 110;
   display: flex;
   align-items: center;
   justify-content: center;

desktop/src/styles/planning.css

@@ -387,7 +387,8 @@ a.drawer-fact {
 /* Popover menus (calendar entries and blocks). */
 .popover {
   position: fixed;
-  z-index: 7;
+  /* Owned menus remain above drawers and editors. */
+  z-index: 120;
   width: min(300px, calc(100vw - 16px));
   padding: 14px;
   border: 1px solid var(--border);
@@ -656,7 +657,7 @@ kbd {
 .command-backdrop {
   position: fixed;
   inset: 0;
-  z-index: 9;
+  z-index: 130;
   display: flex;
   justify-content: center;
   align-items: flex-start;