Make episode navigation links more button like

Reviewed-on: HPR/hpr_generator#287

public_html/css/hpr.css

@@ -47,6 +47,7 @@ https://creativecommons.org/publicdomain/
 	--link-secondary: #a8f8ff;
 	--link-secondary-hover: #f9e9c2;
 	--link-title-color: #00003e;
+	--link-navigation-hover: #030303;
 	--primary-content-line-height: 1.45;
 
 	--font-family-hpr: Verdana, Arial, Helvetica, sans-serif; /* 1em/1.5 OpenDyslexic, */;
@@ -349,7 +350,7 @@ article > p,
       2px 4px 4px var(--shadow-cards);
 	transition: 0.3s;
 	flex: 1 0 100%;
-	overflow-x: scroll;
+	overflow: auto;
 	padding-bottom: 1rem;
 }
 .lane > article:hover,
@@ -730,6 +731,50 @@ fieldset > table td input[type="radio"] {
 	clip: rect(0, 0, 0, 0);
 	border: 0;
 }
+nav.episodes {
+	color: var(--background-primary);
+	font-size: 0.9em;
+	display: flex;
+	flex-direction: row;
+	justify-content: space-around;
+	max-width: 100vw;
+}
+nav.episodes span {
+	color: var(--text-primary);
+	display: inline-block;
+	text-align: center;
+	border: inset thin var(--text-primary);
+}
+nav.episodes span:nth-child(-n+2),
+nav.episodes span:nth-child(-n+2) a {
+	border-top-left-radius: 2rem;
+	border-bottom-left-radius: 2rem;
+}
+nav.episodes span:nth-child(n+3),
+nav.episodes span:nth-child(n+3) a {
+	border-top-right-radius: 2rem;
+	border-bottom-right-radius: 2rem;
+}
+nav.episodes span.no-link, 
+nav.episodes span a {
+	padding: 0.17em;
+	display: inline-block;
+	min-width: 4.4em;
+	min-height: 1.5em;
+}
+nav.episodes span a:hover {
+	background-color: var(--link-primary-hover);
+	color: var(--link-navigation-hover);
+}
+nav.episodes span a img {
+	filter: none;
+}
+nav.episodes img {
+	margin: 0 0.2rem;
+	height: 0.85em;
+	max-width: 13px;
+	vertical-align: middle;
+}
 @media (min-width: 600px) {
 	body > header .bounding-box {
 		justify-content: space-between;
@@ -826,6 +871,9 @@ fieldset > table td input[type="radio"] {
 	#host {
 		gap: 1rem;
 	}
+	nav.episodes {
+		display: inline-block;
+	}
 }
 @media (min-width: 900px) {
 	#podcast_lane > .lane,
@@ -841,3 +889,43 @@ fieldset > table td input[type="radio"] {
 		max-width: 30%;
 	}
 }
+@media (prefers-color-scheme: dark) {
+	:root {
+		--link-primary: #bbdfe7;
+		--link-header-hover: #b54c08; /* original --link-primary-hover */;
+		--link-primary-hover: var(--link-secondary-hover);
+		--background-primary: #4d4d4d; /* HPR Grey */
+		--text-primary: #dfdfdf /*#fffff7#fafafa#fbfbee #dfdfdf */;
+		--banner-text-primary: #b6b6b6; 
+		--shadow-secondary-color: hsl(0, 0%, 40%);
+		--input-border-primary: var(--shadow-secondary-color);
+		--lane-button-color: #d5e6ea;	
+	}
+	body > header {
+		background-image: url("/images/main-header-background-dark.png");
+		background-color: #22545a;
+	}	
+	img {
+		filter: brightness(0.70);
+	}
+	a.lane-button {
+		background-image: url("/images/lane-button-background-dark.png");
+		color: var(--lane-button-color);
+	}
+	a.lane-button img {
+		filter: none;
+	}
+	.lane > article > header {
+		color: var(--text-secondary);
+	}
+	#title a:hover {
+		color: var(--link-header-hover);
+	}
+	#hosts td:nth-child(-n+2) {
+		color: var(--text-primary);
+	}
+		nav.episodes span a:hover {
+		background-color: var(--link-primary-hover);
+		color: var(--link-navigation-hover);
+	}
+}

public_html/images/icons/arrow-first-plain.svg

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   viewBox="0 0 8.0716972 9.7589998"
+   version="1.1"
+   id="svg1106"
+   width="8.0716972"
+   height="9.7589998"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs1103" />
+  <g
+     id="layer1"
+     transform="translate(-92.715063,-46.059054)">
+    <g
+       id="g5606">
+      <path
+         id="arrow"
+         style="stroke-width:0.463;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;"
+         d="m 99.346123,55.549619 1.209147,-1.2065 -3.421063,-3.423708 3.386663,-3.386667 -1.21708,-1.217083 -4.595813,4.595813 z" />
+      <rect
+         style="stroke-width:0.406177;stroke-linecap:square;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;paint-order:fill markers stroke"
+         id="bar"
+         width="1.5938228"
+         height="9.3528233"
+         x="92.918152"
+         y="46.262142"
+         rx="0"
+         ry="0.11228061" />
+    </g>
+  </g>
+</svg>

public_html/images/icons/arrow-last-plain.svg

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   viewBox="0 0 8.0039654 9.7589998"
+   version="1.1"
+   id="svg1106"
+   width="8.0039654"
+   height="9.7589998"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs1103" />
+  <g
+     id="layer1"
+     transform="translate(-92.782792,-46.059054)">
+    <g
+       id="g5606"
+       transform="matrix(-1,0,0,1,193.50182,0)">
+      <path
+         id="path9831"
+         style="color:#000000;fill:#000000;fill-opacity:0.984314;stroke:#000000;stroke-width:0.463;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+         d="m 99.346123,55.549619 1.209147,-1.2065 -3.421063,-3.423708 3.386663,-3.386667 -1.21708,-1.217083 -4.595813,4.595813 z" />
+      <rect
+         style="opacity:0.985023;fill:#000000;fill-opacity:1;stroke:#000000;stroke-width:0.406177;stroke-linecap:square;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1;paint-order:fill markers stroke"
+         id="rect3544"
+         width="1.5938228"
+         height="9.3528233"
+         x="92.918152"
+         y="46.262142"
+         rx="0"
+         ry="0.11228061" />
+    </g>
+  </g>
+</svg>

public_html/images/icons/arrow-next-plain.svg

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   viewBox="0 0 6.3102736 9.6969385"
+   version="1.1"
+   id="arrow_next"
+   width="6.3102736"
+   height="9.6969385"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs1103" />
+  <g
+     id="next"
+     transform="translate(-92.71506,-46.084171)">
+    <path
+       id="arrow"
+       style="color:#000000;fill:#000000;fill-opacity:0.984314;stroke:#000000;stroke-width:0.463;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 94.155697,55.549619 -1.209147,-1.2065 3.421063,-3.423708 -3.386663,-3.386667 1.21708,-1.217083 4.595813,4.595813 z" />
+  </g>
+</svg>

public_html/images/icons/arrow-previous-plain.svg

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   viewBox="0 0 6.3102736 9.6969385"
+   version="1.1"
+   id="arrow_first"
+   width="6.3102736"
+   height="9.6969385"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs1103" />
+  <g
+     id="arrow"
+     transform="translate(-92.71506,-46.084171)">
+    <path
+       id="path9831"
+       style="color:#000000;fill:#000000;fill-opacity:0.984314;stroke:#000000;stroke-width:0.463;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+       d="m 97.584696,55.549619 1.209147,-1.2065 -3.421063,-3.423708 3.386663,-3.386667 -1.21708,-1.217083 -4.595813,4.595813 z" />
+  </g>
+</svg>

templates/shared-utils.tpl.html

@@ -117,16 +117,16 @@
 <!--% IF folder %-->
 <!--% folder = folder %--><!--% ELSE %--><!--% folder = "hpr" %-->
 <!--% END %-->
-<small><a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.earliest) %-->/index.html" rel="first">&lt;&lt; First</a>,
+<nav class="episodes" aria-description="Navigation to other episodes"><span><a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.earliest) %-->/index.html" rel="first" aria-label="first episode"><img src="/images/icons/arrow-first-plain.svg" alt="<<">First</a></span>,
     <!--% IF links.previous %-->
-    <a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.previous) %-->/index.html" rel="previous">&lt; Previous</a>,
+    <span><a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.previous) %-->/index.html" rel="previous" aria-label="previous episode"><img src="/images/icons/arrow-previous-plain.svg" alt="<">Previous</a></span>,
     <!--% ELSE %-->
-    <span>&lt;</span> Previous,
+    <span class="no-link"><img src="/images/icons/arrow-previous-plain.svg" alt="<">Previous</span>,
     <!--% END %-->
     <!--% IF links.next %-->
-    <a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.next) %-->/index.html" rel="next">Next &gt;</a>,
+	<span><a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.next) %-->/index.html" rel="next" aria-label="next episode">Next<img src="/images/icons/arrow-next-plain.svg" alt=">"></a></span>, 
     <!--% ELSE %-->
-    Next <span>&gt;</span>
+	<span class="no-link">Next<img src="/images/icons/arrow-next-plain.svg" alt=">"></span>, 
     <!--% END %-->
-    <a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.latest) %-->/index.html" rel="last">Latest &gt;&gt;</a></small>
+	<span><a href="<!--% absolute_path(baseurl) %-->eps/<!--% folder %--><!--% zero_pad_left(links.latest) %-->/index.html" rel="last" aria-label="latest episode">Latest<img src="/images/icons/arrow-last-plain.svg" alt=">>"></a></span></nav>
 <!--% END %-->