Update Dark Mode palette to match DXPR CMS defaults (#784)

Align the built-in Dark Mode color scheme with the monochrome
dark palette used by DXPR CMS, replacing the previous colorful
accents (blue, green, amber) with a cohesive dark gray palette.

Fixes: #783

Co-authored-by: Jurriaan Roelofs <jur@dxpr.com>

Author: jjroelofs

css/base/variables.css

@@ -150,31 +150,31 @@
     "darkmode": {
       "title": "Dark Mode",
       "colors": {
-        "base": "#4675ff",
-        "basetext": "#ffffff",
-        "link": "#4675ff",
-        "accent1": "#10b981",
-        "accent1text": "#ffffff",
-        "accent2": "#f59e0b",
-        "accent2text": "#ffffff",
-        "text": "#b0b0b0",
-        "headings": "#d0d0d0",
-        "footer": "#181818",
-        "footertext": "#808a95",
-        "secheader": "#181818",
-        "secheadertext": "#d0d0d0",
-        "card": "#1a1a1a",
-        "cardtext": "#b0b0b0",
-        "header": "#181818",
-        "headertext": "#d0d0d0",
-        "headerside": "#1a1a1a",
-        "headersidetext": "#808a95",
-        "pagetitle": "#181818",
-        "pagetitletext": "#d0d0d0",
-        "graylight": "#404040",
-        "graylighter": "#606060",
-        "silver": "#3e3e3e",
-        "body": "#0a0a0a"
+        "base": "#121212",
+        "basetext": "#e0e0e0",
+        "link": "#222222",
+        "accent1": "#222222",
+        "accent1text": "#e0e0e0",
+        "accent2": "#222222",
+        "accent2text": "#e0e0e0",
+        "text": "#e0e0e0",
+        "headings": "#ffffff",
+        "footer": "#1a1a1a",
+        "footertext": "#e0e0e0",
+        "secheader": "#2c2c2e",
+        "secheadertext": "#e0e0e0",
+        "card": "#1e1e1e",
+        "cardtext": "#f5f5f5",
+        "header": "#2a2a2a",
+        "headertext": "#f5f5f5",
+        "headerside": "#202020",
+        "headersidetext": "#e0e0e0",
+        "pagetitle": "#1d1d1d",
+        "pagetitletext": "#e6e6e6",
+        "graylight": "#333333",
+        "graylighter": "#444444",
+        "silver": "#b0b0b0",
+        "body": "#101010"
       }
     },
     "default": {

features/sooper-colors/color-settings.json

@@ -113,31 +113,31 @@ $schemes: (
     "body": #f8f9fa,
   ),
   "darkmode": (
-    "base": #4675ff,
-    "basetext": #fff,
-    "link": #4675ff,
-    "accent1": #10b981,
-    "accent1text": #fff,
-    "accent2": #f59e0b,
-    "accent2text": #fff,
-    "text": #b0b0b0,
-    "headings": #d0d0d0,
-    "footer": #181818,
-    "footertext": #808a95,
-    "secheader": #181818,
-    "secheadertext": #d0d0d0,
-    "card": #1a1a1a,
-    "cardtext": #b0b0b0,
-    "header": #181818,
-    "headertext": #d0d0d0,
-    "headerside": #1a1a1a,
-    "headersidetext": #808a95,
-    "pagetitle": #181818,
-    "pagetitletext": #d0d0d0,
-    "graylight": #404040,
-    "graylighter": #606060,
-    "silver": #3e3e3e,
-    "body": #0a0a0a,
+    "base": #121212,
+    "basetext": #e0e0e0,
+    "link": #222222,
+    "accent1": #222222,
+    "accent1text": #e0e0e0,
+    "accent2": #222222,
+    "accent2text": #e0e0e0,
+    "text": #e0e0e0,
+    "headings": #ffffff,
+    "footer": #1a1a1a,
+    "footertext": #e0e0e0,
+    "secheader": #2c2c2e,
+    "secheadertext": #e0e0e0,
+    "card": #1e1e1e,
+    "cardtext": #f5f5f5,
+    "header": #2a2a2a,
+    "headertext": #f5f5f5,
+    "headerside": #202020,
+    "headersidetext": #e0e0e0,
+    "pagetitle": #1d1d1d,
+    "pagetitletext": #e6e6e6,
+    "graylight": #333333,
+    "graylighter": #444444,
+    "silver": #b0b0b0,
+    "body": #101010,
   ),
   "default": (
     "base": #284ed9,