webui/src/sketch-app-shell.css

html,
body {
  height: 100%;
}

body {
  margin: 0;
  display: flex;
}

/* 
 * Import Monaco editor's Codicon font - this is critical for icons
 * IMPORTANT: This font-face declaration MUST remain in global CSS.
 * Chrome does not apply @font-face rules properly when they're inside shadow DOM.
 * Do not move this to the sketch-monaco-view component despite it being used there.
 */
@font-face {
  font-family: "codicon";
  font-display: block;
  src: url("./monaco/min/vs/base/browser/ui/codicons/codicon/codicon.ttf")
    format("truetype");
}

/*
 * SketchTailwindElement components need explicit host-level styling
 * since they disable shadow DOM and lose :host CSS selector support
 */
sketch-diff2-view {
  display: flex;
  height: 100%;
  flex: 1;
  flex-direction: column;
  min-height: 0; /* Critical for flex child behavior */
  overflow: hidden;
  position: relative; /* Establish positioning context */
}

/* Print styles for full chat printing */
@media print {
  html,
  body {
    height: auto !important;
    overflow: visible !important;
  }

  body {
    margin: 0;
    padding: 0;
  }
}