diff --git a/www/style.css b/www/style.css
index 3e5b637..c4bf625 100644
--- a/www/style.css
+++ b/www/style.css
@@ -1015,10 +1015,26 @@ canvas {
 .canvasWrap canvas.edit-footprint { cursor: crosshair; }
 
 .content.content--missions,
-.content.content--integrations {
+.content.content--sounds,
+.content.content--integrations,
+.content.content--monitoring,
+.content.content--help {
   grid-template-columns: minmax(0, 1fr);
-  max-width: 1100px;
+  max-width: none;
+  width: 100%;
+  align-items: stretch;
+  align-content: start;
 }
+
+.content.content--missions > .page,
+.content.content--sounds > .page,
+.content.content--integrations > .page,
+.content.content--monitoring > .page,
+.content.content--help > .page {
+  width: 100%;
+  min-width: 0;
+}
+
 .content.content--maps {
   grid-template-columns: minmax(0, 1fr);
   align-items: stretch;
@@ -1055,6 +1071,7 @@ canvas {
 }
 
 .missionsPage { min-width: 0; width: 100%; }
+.soundsPage { min-width: 0; width: 100%; }
 .missionList { display: grid; gap: 10px; }
 .missionListItem {
   display: grid;
@@ -4894,3 +4911,79 @@ body.auth-readonly-maps-page #mapsImportSiteBtn { display: none !important; }
   background: #ddd;
 }
 
+/* Setup → Sounds: MiR-style square corners */
+#pageSounds .card,
+#pageSounds .missionListItem,
+#pageSounds .btn,
+#pageSounds button,
+#pageSounds input,
+#pageSounds textarea,
+#pageSounds #soundEditDialog.mapsMirDialog,
+#pageSounds .mapsMirBtn,
+#pageSounds .mapsMirField input,
+#pageSounds .mapsMirField textarea {
+  border-radius: 0;
+}
+
+/* Setup → Missions: MiR-style square corners */
+#pageMissions .card,
+#pageMissions .missionListItem,
+#pageMissions .missionQueueItem,
+#pageMissions .missionQueueRunner,
+#pageMissions .missionQueueStatus,
+#pageMissions .missionActionRow,
+#pageMissions .missionActionListEmpty,
+#pageMissions .missionLoopBlock,
+#pageMissions .missionDragHandle,
+#pageMissions .missionActionIcon,
+#pageMissions .missionGroupTabBtn,
+#pageMissions .missionGroupMenu,
+#pageMissions .missionPaletteItem,
+#pageMissions .missionDirtyBadge,
+#pageMissions .btn,
+#pageMissions button,
+#pageMissions input,
+#pageMissions textarea,
+#pageMissions select,
+#pageMissions .iconBtn {
+  border-radius: 0;
+}
+
+:is(#missionCreateDialog, #missionSettingsDialog, #missionSaveAsDialog, #missionActionConfigDialog, #missionQueueDialog),
+:is(#missionCreateDialog, #missionSettingsDialog, #missionSaveAsDialog, #missionActionConfigDialog, #missionQueueDialog)
+  :is(.btn, button, input, textarea, select, .iconBtn) {
+  border-radius: 0;
+}
+
+/* Dashboards: MiR-style square corners */
+#pageOverview .dashboardShell,
+#pageOverview .btn,
+#pageOverview button,
+#pageOverview input,
+#pageOverview textarea,
+#pageOverview select,
+#pageOverview .iconBtn,
+#pageOverview .dashboardMirBtn,
+#pageOverview .dashboardFuncBtn,
+#pageOverview .dashboardFilterInput,
+#pageOverview .dashboardCreatePanel,
+#pageOverview .dashboardCreateField input,
+#pageOverview .dashboardMirBarBtn,
+#pageOverview .dashboardMirSaveBtn,
+#pageOverview .dashboardMirWidgetTab,
+#pageOverview .dashboardMirWidgetPick,
+#pageOverview .dashboardActiveMark,
+#pageOverview .dashboardListHelp {
+  border-radius: 0;
+}
+
+:is(#dashboardPermissionsDialog, #dashboardEditDialog, #dashboardAddWidgetDialog, #dashboardEditWidgetDialog),
+:is(#dashboardPermissionsDialog, #dashboardEditDialog, #dashboardAddWidgetDialog, #dashboardEditWidgetDialog)
+  :is(.btn, button, input, textarea, select, .iconBtn, .dashboardMirBtn) {
+  border-radius: 0;
+}
+
+:is(#dashboardPermissionsDialog, #dashboardEditDialog, #dashboardAddWidgetDialog, #dashboardEditWidgetDialog) {
+  border-radius: 0;
+}
+