cleanup: remove unused reference folders and untracked scratch directories

architectural-grid1/src/index.css

@@ -1,34 +0,0 @@
-@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=JetBrains+Mono:wght@400;500&display=swap');
-@import "tailwindcss";
-
-@theme {
-  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
-  --font-serif: "Playfair Display", serif;
-  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
-
-  --color-paper: #F2F0E9;
-  --color-ink: #1C1C1C;
-  --color-muted-ink: rgba(28, 28, 28, 0.6);
-  --color-border: rgba(28, 28, 28, 0.1);
-}
-
-@layer base {
-  body {
-    @apply bg-[#E5E2D9] text-ink font-sans antialiased;
-  }
-}
-
-.paper-texture {
-  background-color: var(--color-paper);
-  background-image: url("https://www.transparenttextures.com/patterns/natural-paper.png");
-}
-
-.sidebar-shadow {
-  box-shadow: 1px 0 10px rgba(0, 0, 0, 0.05);
-}
-
-.active-nav-item {
-  background: linear-gradient(to right, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.4));
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
-  border: 1px solid rgba(255, 255, 255, 0.5);
-}