add css override. closes #3

server/assets/overrides.css

@@ -0,0 +1,10 @@
+/* CSS overrides for browser vs desktop differences. */
+
+/* Remove right padding for non-existent window controls (minimize/maximize/close). */
+.is-hidden-frameless:not(.is-fullscreen) .workspace-tabs.mod-top-right-space .workspace-tab-header-container {
+  padding-right: var(--size-4-2) !important;
+}
+
+.is-hidden-frameless:not(.is-fullscreen):not(.mod-macos) .workspace-tabs.mod-top-right-space .workspace-tab-header-container:after {
+  display: none !important;
+}

src/shims/css-overrides.js

@@ -0,0 +1,9 @@
+// Injects a link to the CSS overrides stylesheet served from /assets/overrides.css.
+
+export function installCssOverrides() {
+  const link = document.createElement("link");
+  link.rel = "stylesheet";
+  link.href = "/assets/overrides.css";
+  link.setAttribute("data-ignis", "css-overrides");
+  document.head.appendChild(link);
+}

src/shims/loader.js

@@ -1,10 +1,12 @@
 import { installRequire } from "./require.js";
 import { installGlobals } from "./globals.js";
+import { installCssOverrides } from "./css-overrides.js";
 import { initialize } from "./init.js";
 import { fsShim } from "./fs/index.js";
 
 installGlobals(); // process, Buffer, window overrides (before require so Buffer is available)
 installRequire(); // shim registry, window.require
+installCssOverrides(); // browser-specific CSS fixes
 initialize(); // vault config, metadata cache, plugin prompt
 
 // Connect file watcher WebSocket after everything is initialized