doc: Apply simple colorscheme

Fixes issue #2.

2 files changed, 32 insertions, 82 deletions

diff --git a/doc/lulua-logo.svg b/doc/lulua-logo.svg
index 9f078c0..20136c0 100644
--- a/doc/lulua-logo.svg
+++ b/doc/lulua-logo.svg
@@ -1,78 +1,17 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   width="25.36014mm"
-   height="13.828889mm"
-   viewBox="0 0 25.36014 13.828889"
-   version="1.1"
-   id="svg8">
-  <defs
-     id="defs17" />
-  <metadata
-     id="metadata5">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <g
-     style="fill:#ffffff"
-     id="g50">
-    <g
-       aria-label="لؤلؤ"
-       transform="matrix(0.26458333,0,0,0.26458333,-10.208781,-21.74248)"
-       style="font-style:normal;font-variant:normal;font-weight:100;font-stretch:normal;font-size:53.33333588px;line-height:100%;font-family:'IBM Plex Arabic';-inkscape-font-specification:'IBM Plex Arabic, Thin';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
-       id="flowRoot10">
-      <path
-         d="m 125.36706,120.94964 0.53333,-0.53334 h 0.21333 q 3.73334,0 5.49334,-1.65333 1.76,-1.70667 1.76,-5.38667 V 82.176302 h 1.06666 V 113.3763 q 0,4.26667 -2.02666,6.29334 -1.97334,1.97333 -6.29334,1.97333 h -0.74666 z"
-         id="path852"
-         style="fill:#ffffff" />
-      <path
-         d="m 104.07539,133.2163 h 4.05334 q 6.34666,0 9.70666,-2.88 3.41334,-2.88 4.16,-8.69333 h -8.21333 q -4.21333,0 -6.45333,-2.24 -2.18667,-2.24 -2.18667,-6.29333 0,-2.4 0.64,-4.53334 0.69333,-2.13333 1.86667,-3.68 1.22666,-1.6 2.88,-2.50666 1.65333,-0.96 3.62666,-0.96 4.32,0 6.72,4.10666 2.4,4.05334 2.4,11.36 0,1.92 -0.16,3.52 h 2.82667 v 0.69334 l -0.53333,0.53333 h -2.45334 q -0.90666,6.61333 -4.53333,9.70667 -3.57333,3.09333 -10.29333,3.09333 h -4.05334 z m 2.13334,-20.10666 q 0,3.52 1.81333,5.44 1.86667,1.86666 5.38667,1.86666 h 8.69333 q 0.0533,-0.58666 0.0533,-1.17333 0.0533,-0.64 0.0533,-1.28 v -2.13333 q 0,-2.88 -0.58667,-5.28 -0.53333,-2.45334 -1.6,-4.21334 -1.01333,-1.76 -2.56,-2.72 -1.49333,-0.96 -3.41333,-0.96 -1.65334,0 -3.09334,0.8 -1.44,0.8 -2.50666,2.24 -1.01334,1.38667 -1.65334,3.30667 -0.58666,1.86667 -0.58666,4.10667 z m 3.09333,-16.90667 h 2.66667 l 0.0533,-0.16 q -0.85333,-0.746667 -1.33333,-1.706667 -0.42667,-0.96 -0.42667,-1.973334 0,-1.866666 1.22667,-3.04 1.22666,-1.226667 3.09333,-1.226667 2.24,0 3.68,1.866667 l -0.69333,0.746667 q -1.01334,-1.546667 -2.98667,-1.546667 -1.44,0 -2.4,0.906667 -0.96,0.906667 -0.96,2.293333 0,1.6 1.28,2.666667 1.28,1.066667 3.25333,1.066667 h 3.2 v 1.066667 h -9.65333 z"
-         id="path854"
-         style="fill:#ffffff" />
-      <path
-         d="m 88.075391,120.94964 0.533334,-0.53334 h 0.213333 q 3.733333,0 5.493334,-1.65333 1.76,-1.70667 1.76,-5.38667 V 82.176302 h 1.066666 V 113.3763 q 0,4.26667 -2.026666,6.29334 -1.973334,1.97333 -6.293334,1.97333 h -0.746667 z"
-         id="path856"
-         style="fill:#ffffff" />
-      <path
-         d="m 66.783725,133.2163 h 4.053334 q 6.346667,0 9.706667,-2.88 3.413334,-2.88 4.16,-8.69333 h -8.213333 q -4.213334,0 -6.453334,-2.24 -2.186667,-2.24 -2.186667,-6.29333 0,-2.4 0.64,-4.53334 0.693334,-2.13333 1.866667,-3.68 1.226667,-1.6 2.88,-2.50666 1.653334,-0.96 3.626667,-0.96 4.32,0 6.72,4.10666 2.4,4.05334 2.4,11.36 0,1.92 -0.16,3.52 h 2.826667 v 0.69334 l -0.533333,0.53333 h -2.453334 q -0.906666,6.61333 -4.533333,9.70667 -3.573334,3.09333 -10.293334,3.09333 h -4.053334 z m 2.133334,-20.10666 q 0,3.52 1.813333,5.44 1.866667,1.86666 5.386667,1.86666 h 8.693334 q 0.05333,-0.58666 0.05333,-1.17333 0.05333,-0.64 0.05333,-1.28 v -2.13333 q 0,-2.88 -0.586667,-5.28 -0.533333,-2.45334 -1.6,-4.21334 -1.013333,-1.76 -2.56,-2.72 -1.493334,-0.96 -3.413334,-0.96 -1.653333,0 -3.093333,0.8 -1.44,0.8 -2.506667,2.24 -1.013333,1.38667 -1.653333,3.30667 -0.586667,1.86667 -0.586667,4.10667 z m 3.093333,-16.90667 h 2.666667 l 0.05333,-0.16 q -0.853334,-0.746667 -1.333334,-1.706667 -0.426667,-0.96 -0.426667,-1.973334 0,-1.866666 1.226667,-3.04 1.226667,-1.226667 3.093334,-1.226667 2.24,0 3.68,1.866667 l -0.693334,0.746667 q -1.013333,-1.546667 -2.986666,-1.546667 -1.44,0 -2.4,0.906667 -0.960001,0.906667 -0.960001,2.293333 0,1.6 1.280001,2.666667 1.28,1.066667 3.253333,1.066667 h 3.2 v 1.066667 h -9.653334 z"
-         id="path858"
-         style="fill:#ffffff" />
+<svg xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" width="25.36014mm" height="13.828889mm" viewBox="0 0 25.36014 13.828889" version="1.1">
+  <g style="fill:#EAE0C8">
+    <g transform="matrix(0.26458333,0,0,0.26458333,-10.208781,-21.74248)">
+      <path d="m 125.36706,120.94964 0.53333,-0.53334 h 0.21333 q 3.73334,0 5.49334,-1.65333 1.76,-1.70667 1.76,-5.38667 V 82.176302 h 1.06666 V 113.3763 q 0,4.26667 -2.02666,6.29334 -1.97334,1.97333 -6.29334,1.97333 h -0.74666 z"/>
+      <path d="m 104.07539,133.2163 h 4.05334 q 6.34666,0 9.70666,-2.88 3.41334,-2.88 4.16,-8.69333 h -8.21333 q -4.21333,0 -6.45333,-2.24 -2.18667,-2.24 -2.18667,-6.29333 0,-2.4 0.64,-4.53334 0.69333,-2.13333 1.86667,-3.68 1.22666,-1.6 2.88,-2.50666 1.65333,-0.96 3.62666,-0.96 4.32,0 6.72,4.10666 2.4,4.05334 2.4,11.36 0,1.92 -0.16,3.52 h 2.82667 v 0.69334 l -0.53333,0.53333 h -2.45334 q -0.90666,6.61333 -4.53333,9.70667 -3.57333,3.09333 -10.29333,3.09333 h -4.05334 z m 2.13334,-20.10666 q 0,3.52 1.81333,5.44 1.86667,1.86666 5.38667,1.86666 h 8.69333 q 0.0533,-0.58666 0.0533,-1.17333 0.0533,-0.64 0.0533,-1.28 v -2.13333 q 0,-2.88 -0.58667,-5.28 -0.53333,-2.45334 -1.6,-4.21334 -1.01333,-1.76 -2.56,-2.72 -1.49333,-0.96 -3.41333,-0.96 -1.65334,0 -3.09334,0.8 -1.44,0.8 -2.50666,2.24 -1.01334,1.38667 -1.65334,3.30667 -0.58666,1.86667 -0.58666,4.10667 z m 3.09333,-16.90667 h 2.66667 l 0.0533,-0.16 q -0.85333,-0.746667 -1.33333,-1.706667 -0.42667,-0.96 -0.42667,-1.973334 0,-1.866666 1.22667,-3.04 1.22666,-1.226667 3.09333,-1.226667 2.24,0 3.68,1.866667 l -0.69333,0.746667 q -1.01334,-1.546667 -2.98667,-1.546667 -1.44,0 -2.4,0.906667 -0.96,0.906667 -0.96,2.293333 0,1.6 1.28,2.666667 1.28,1.066667 3.25333,1.066667 h 3.2 v 1.066667 h -9.65333 z"/>
+      <path d="m 88.075391,120.94964 0.533334,-0.53334 h 0.213333 q 3.733333,0 5.493334,-1.65333 1.76,-1.70667 1.76,-5.38667 V 82.176302 h 1.066666 V 113.3763 q 0,4.26667 -2.026666,6.29334 -1.973334,1.97333 -6.293334,1.97333 h -0.746667 z"/>
+      <path d="m 66.783725,133.2163 h 4.053334 q 6.346667,0 9.706667,-2.88 3.413334,-2.88 4.16,-8.69333 h -8.213333 q -4.213334,0 -6.453334,-2.24 -2.186667,-2.24 -2.186667,-6.29333 0,-2.4 0.64,-4.53334 0.693334,-2.13333 1.866667,-3.68 1.226667,-1.6 2.88,-2.50666 1.653334,-0.96 3.626667,-0.96 4.32,0 6.72,4.10666 2.4,4.05334 2.4,11.36 0,1.92 -0.16,3.52 h 2.826667 v 0.69334 l -0.533333,0.53333 h -2.453334 q -0.906666,6.61333 -4.533333,9.70667 -3.573334,3.09333 -10.293334,3.09333 h -4.053334 z m 2.133334,-20.10666 q 0,3.52 1.813333,5.44 1.866667,1.86666 5.386667,1.86666 h 8.693334 q 0.05333,-0.58666 0.05333,-1.17333 0.05333,-0.64 0.05333,-1.28 v -2.13333 q 0,-2.88 -0.586667,-5.28 -0.533333,-2.45334 -1.6,-4.21334 -1.013333,-1.76 -2.56,-2.72 -1.493334,-0.96 -3.413334,-0.96 -1.653333,0 -3.093333,0.8 -1.44,0.8 -2.506667,2.24 -1.013333,1.38667 -1.653333,3.30667 -0.586667,1.86667 -0.586667,4.10667 z m 3.093333,-16.90667 h 2.666667 l 0.05333,-0.16 q -0.853334,-0.746667 -1.333334,-1.706667 -0.426667,-0.96 -0.426667,-1.973334 0,-1.866666 1.226667,-3.04 1.226667,-1.226667 3.093334,-1.226667 2.24,0 3.68,1.866667 l -0.693334,0.746667 q -1.013333,-1.546667 -2.986666,-1.546667 -1.44,0 -2.4,0.906667 -0.960001,0.906667 -0.960001,2.293333 0,1.6 1.280001,2.666667 1.28,1.066667 3.253333,1.066667 h 3.2 v 1.066667 h -9.653334 z"/>
     </g>
-    <g
-       style="fill:#ffffff"
-       id="g38">
-      <g
-         style="fill:#ffffff"
-         transform="translate(-16.828094,-21.74248)"
-         id="g850">
-        <path
-           style="color:#000000;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:medium;line-height:normal;font-family:sans-serif;font-variant-ligatures:normal;font-variant-position:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-feature-settings:normal;text-indent:0;text-align:start;text-decoration:none;text-decoration-line:none;text-decoration-style:solid;text-decoration-color:#000000;letter-spacing:normal;word-spacing:normal;text-transform:none;writing-mode:lr-tb;direction:ltr;text-orientation:mixed;dominant-baseline:auto;baseline-shift:baseline;text-anchor:start;white-space:normal;shape-padding:0;clip-rule:nonzero;display:inline;overflow:visible;visibility:visible;opacity:1;isolation:auto;mix-blend-mode:normal;color-interpolation:sRGB;color-interpolation-filters:linearRGB;solid-color:#000000;solid-opacity:1;vector-effect:none;fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:0.28;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;color-rendering:auto;image-rendering:auto;shape-rendering:auto;text-rendering:auto;enable-background:accumulate"
-           d="m 17.96875,26.736328 c -0.629138,0 -1.140625,0.511487 -1.140625,1.140625 v 3.339844 c 0,0.629138 0.511487,1.140625 1.140625,1.140625 h 3.339844 c 0.629138,0 1.138672,-0.511487 1.138672,-1.140625 v -3.339844 c 0,-0.629138 -0.509534,-1.140625 -1.138672,-1.140625 z m 0,0.28125 h 3.339844 c 0.478861,0 0.859375,0.380514 0.859375,0.859375 v 3.339844 c 0,0.478861 -0.380514,0.859375 -0.859375,0.859375 H 17.96875 c -0.478862,0 -0.861328,-0.380514 -0.861328,-0.859375 v -3.339844 c 0,-0.478861 0.382466,-0.859375 0.861328,-0.859375 z"
-           id="rect18" />
-        <g
-           aria-label="ة"
-           transform="matrix(0.26458333,0,0,0.26458333,-0.33187688,-0.20666021)"
-           style="font-style:normal;font-variant:normal;font-weight:100;font-stretch:normal;font-size:53.33333588px;line-height:100%;font-family:'IBM Plex Arabic';-inkscape-font-specification:'IBM Plex Arabic, Thin';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
-           id="flowRoot842" />
+    <g>
+      <g transform="translate(-16.828094,-21.74248)">
+        <path d="m 17.96875,26.736328 c -0.629138,0 -1.140625,0.511487 -1.140625,1.140625 v 3.339844 c 0,0.629138 0.511487,1.140625 1.140625,1.140625 h 3.339844 c 0.629138,0 1.138672,-0.511487 1.138672,-1.140625 v -3.339844 c 0,-0.629138 -0.509534,-1.140625 -1.138672,-1.140625 z m 0,0.28125 h 3.339844 c 0.478861,0 0.859375,0.380514 0.859375,0.859375 v 3.339844 c 0,0.478861 -0.380514,0.859375 -0.859375,0.859375 H 17.96875 c -0.478862,0 -0.861328,-0.380514 -0.861328,-0.859375 v -3.339844 c 0,-0.478861 0.382466,-0.859375 0.861328,-0.859375 z"/>
       </g>
-      <rect
-         y="9.2311716"
-         x="1.6189767"
-         height="0.32543749"
-         width="2.3812499"
-         id="rect825"
-         style="opacity:1;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.28;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1" />
+      <rect y="9.2311716" x="1.6189767" height="0.32543749" width="2.3812499"/>
     </g>
   </g>
 </svg>
diff --git a/doc/style.css b/doc/style.css
index a61170b..5aa9a55 100644
--- a/doc/style.css
+++ b/doc/style.css
@@ -1,3 +1,15 @@
+/*
+colorscheme derived from #EAE0C8, see https://en.wikipedia.org/wiki/Pearl_(color)
+using http://colormind.io/bootstrap/
+*/
+:root {
+	--light-shades: #EAE0C8;
+	--light-accent: #689CA9;
+	--main-brand: #A48A4E;
+	--dark-accent: #79796D;
+	--dark-shades: #1D251E;
+}
+
 @font-face {
   font-family: 'IBM Plex Arabic';
   font-style: normal;
@@ -14,8 +26,8 @@
 
 body {
 	font-size: 14pt;
-	background-color: #eeeeec;
-	color: #2e3436;
+	background-color: var(--light-shades);
+	color: var(--dark-shades);
 }
 /* is there a better way to select _both_ fonts at the same time? */
 :lang(ar) {
@@ -50,18 +62,17 @@ code {
 	font-family: "IBM Plex Mono", monospace !important; /* override :lang(*) font setting */
 }
 a:link, a:visited {
-	color: #555753;
+	color: var(--light-accent);
 	text-decoration: none;
 }
 a:focus, a:hover {
-	background-color: #555753;
-	color: #eeeeec;
+	background-color: var(--light-accent);
+	color: var(--light-shades);
 	border-radius: 0.1em;
 }
 div.title-card {
-	background-color: #555753;
-	color: #eeeeec;
-	border-top: 1em solid #888a85;
+	background-color: var(--dark-accent);
+	color: var(--light-shades);
 }
 div.title-card .lbox {
 	margin: 2vw;
@@ -86,8 +97,8 @@ div.title-card .layout img {
 div.indepth-card {
 	padding: 10vh 0;
 	margin: 1em 0;
-	background-color: #555753;
-	color: #eeeeec;
+	background-color: var(--dark-accent);
+	color: var(--light-shades);
 }
 .flexreverse {
 	flex-direction: row-reverse;