Add core theme variables and service adapters

adapters/ttrss.css

@@ -0,0 +1,80 @@
+/**
+ * RSP Works - TT-RSS Theme Adapter
+ * Applies blog theme to Tiny Tiny RSS
+ *
+ * Deploy to: /var/www/tt-rss/themes/custom/ on FR1
+ * Or paste into TT-RSS Preferences > Interface > Custom CSS
+ */
+
+@import url('../css/core.css');
+
+/* Base */
+body {
+    background-color: var(--background) !important;
+    color: var(--text-primary) !important;
+    font-family: var(--font-family) !important;
+    font-size: var(--font-size-base) !important;
+}
+
+/* Links */
+a {
+    color: var(--link-color) !important;
+}
+a:hover, a:focus {
+    color: var(--link-hover) !important;
+}
+
+/* Toolbar */
+#toolbar {
+    background-color: var(--text-secondary) !important;
+    color: white !important;
+}
+#toolbar a {
+    color: white !important;
+}
+
+/* Feed list / headlines */
+#headlines-frame {
+    background-color: var(--background) !important;
+}
+
+/* Headline items */
+.hl {
+    border-bottom: 1px solid #ddd !important;
+    color: var(--text-primary) !important;
+}
+
+/* Selected headline */
+.hl.Selected {
+    background-color: var(--text-secondary) !important;
+    color: white !important;
+}
+.hl.Selected a {
+    color: white !important;
+}
+
+/* Read vs unread */
+.hl.read {
+    color: var(--text-secondary) !important;
+}
+.hl.unread {
+    color: var(--text-primary) !important;
+    font-weight: bold;
+}
+
+/* Article view */
+#content-frame {
+    background-color: white !important;
+    color: var(--text-primary) !important;
+}
+
+/* Headings */
+h1, h2, h3, h4, h5, h6 {
+    color: var(--text-primary) !important;
+}
+
+/* Selection */
+::selection {
+    background: var(--selection-bg);
+    color: var(--selection-text);
+}