Clean release snapshot

plugins/highway_3d/tailwind.config.js

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+/**
+ * Tailwind build config for the 3D Highway plugin's OWN stylesheet.
+ *
+ * Slopsmith serves Tailwind as a prebuilt stylesheet and core only scans core
+ * source at build time (constitution Principle II — no Play CDN / runtime JIT).
+ * This plugin owns its utilities so it styles correctly even when core's build
+ * didn't scan it (it's excluded from core's content globs). It uses arbitrary
+ * values (`text-[10px]`, `max-w-[12rem]`) that no "complete" Tailwind set
+ * contains, so a self-built, content-scanned sheet is mandatory.
+ *
+ * Regenerate assets/plugin.css with:  bash build-tailwind.sh
+ */
+module.exports = {
+    // Core ships the single base reset; this plugin emits utilities only so it
+    // doesn't double the preflight and fight core's styles.
+    corePlugins: { preflight: false },
+    content: [
+        // List only the files that carry Tailwind classes — screen.js (renderer
+        // + HUD markup) and settings.html. A broad ./*.{js,html} would also scan
+        // THIS config (its comments mention class-like strings such as
+        // text-[10px]) and emit them spuriously; tour.json is plain text.
+        './screen.js',
+        './settings.html',
+    ],
+    theme: {
+        extend: {
+            // Mirror core's theme tokens so classes like `bg-dark-700` compile
+            // inside this standalone build.
+            colors: {
+                dark: { 900: '#050508', 800: '#0a0a12', 700: '#10101e', 600: '#181830', 500: '#1e1e3a' },
+                accent: { DEFAULT: '#4080e0', light: '#60a0ff', dark: '#2060b0' },
+                gold: '#e8c040',
+            },
+            fontFamily: {
+                display: ['"Inter"', 'system-ui', 'sans-serif'],
+            },
+        },
+    },
+    // Belt-and-suspenders for any dark/accent class built indirectly (none are
+    // today — all usage is literal — but this keeps the sheet self-sufficient).
+    safelist: [
+        { pattern: /^(bg|text|border)-(dark|accent)(-.+)?$/ },
+    ],
+    plugins: [],
+};