mdocml: fix readability issues in void-man-cgi.

Fix: #36557

srcpkgs/mdocml/files/void.css

@@ -1,8 +1,24 @@
 
 /** Void style **/
-body { color: #333; }
-a { color: #478061; }
-a:hover { color: #000; }
+html {
+	--fg: #333;
+	--bg: #fff;
+	--fg-accent: #478061;
+	--nav-fg: #fff;
+	--nav-bg: #478061;
+}
+@media (prefers-color-scheme: dark) {
+	html {
+		--fg: #ccc;
+		--bg: #222;
+		--fg-accent: #62b086;
+		--nav-fg: #fff;
+		--nav-bg: #295340;
+	}
+}
+
+a, :link, :visited { color: var(--fg-accent); }
+a:hover { color: var(--fg); }
 
 html { max-width: 100% }
 body { margin: 0 }
@@ -11,29 +27,30 @@ body { margin: 0 }
 nav#void-nav {
 	width:100%;
 	min-height:50px;
-	background:#478061;
+	color:var(--nav-fg);
+	background-color:var(--nav-bg);
 	z-index:110;
 	font-size:14px
 }
 nav#void-nav ul {
-	float:right;
+	display:block;
 	list-style:none;
 	margin:0
 }
 nav#void-nav ul li {
-	float:left;
+	display:inline-block;
 	margin:0;
-	clear:initial
 }
 nav#void-nav ul li a {
-	display:block;
+	display:inline-block;
 	padding:15px;
 	line-height:20px;
 	font-size:1.2em;
-	color:#fff;
+	color:var(--nav-fg);
 	text-decoration: none
 }
 nav#void-nav ul li a:hover,nav#void-nav ul li a:focus {
-	background:#000;
+	color:#fff;
+	background-color:#000;
 	text-decoration:none
 }

srcpkgs/mdocml/template

@@ -1,7 +1,7 @@
 # Template file for 'mdocml'
 pkgname=mdocml
 version=1.14.6
-revision=1
+revision=2
 wrksrc="mandoc-${version}"
 build_style=configure
 make_build_args="all man.cgi"