Putting a dark styesheet back in

static/qss/default_hydrus_dark.qss

@@ -0,0 +1,191 @@
+/* Note for hydev: do not delete this, it is going to be reworked into a different file in future. */
+
+/*
+Default QSS for hydrus. This is prepended to any stylesheet loaded in hydrus.
+Copying these entries in your own stylesheets should override these settings.
+This will get more work in future.
+*/
+
+/*
+
+Here are some text and background colours
+
+*/
+
+/* Example: This regex is valid */
+
+QLabel#HydrusValid
+{
+	color: #2ed42e;
+}
+
+QLineEdit#HydrusValid, QTextEdit#HydrusValid, QPlainTextEdit#HydrusValid
+{
+	background-color: #80ff80;
+}
+
+
+/* Duplicates 'middle' text colour */
+
+QLabel#HydrusIndeterminate
+{
+	color: #8080ff;
+}
+
+QLineEdit#HydrusIndeterminate, QTextEdit#HydrusIndeterminate, QPlainTextEdit#HydrusIndeterminate
+{
+	background-color: #8080ff;
+}
+
+
+/* Example: This regex is invalid */
+
+QLabel#HydrusInvalid
+{
+	color: #ff7171;
+}
+
+QLineEdit#HydrusInvalid, QTextEdit#HydrusInvalid, QPlainTextEdit#HydrusInvalid
+{
+	background-color: #ff8080;
+}
+
+
+/* Example: Your files are going to be deleted! */
+
+QLabel#HydrusWarning, QCheckBox#HydrusWarning
+{
+	color: #ff7171;
+}
+
+/*
+
+Buttons on dialogs
+
+*/
+
+QPushButton#HydrusAccept
+{
+	color: #2ed42e;
+}
+
+QPushButton#HydrusCancel
+{
+	color: #ff7171;
+}
+
+/*
+
+This is the green/red button that switches 'include current tags' and similar states on/off
+
+*/
+
+QPushButton#HydrusOnOffButton[hydrus_on=true]
+{
+	color: #2ed42e;
+}
+
+QPushButton#HydrusOnOffButton[hydrus_on=false]
+{
+	color: #ff7171;
+}
+
+/*
+
+This is the Command Palette (default Ctrl+P), and specifically the background colour of the item you currently have selected.
+
+*/
+
+QLocatorResultWidget#selectedLocatorResult
+{
+	background-color: palette(highlight);
+}
+
+QLocatorResultWidget QWidget
+{
+	background: transparent;
+}
+
+
+/*
+
+Custom Controls
+
+These are drawn by hydev on a blank canvas, so they work a little different.
+
+*/
+
+/*
+
+The scanbar beneath video/audio in the media viewer.
+
+*/
+
+QWidget#HydrusAnimationBar
+{
+	qproperty-hab_border: #000000;
+	qproperty-hab_background: #606060;
+	qproperty-hab_nub: #f0f0f0;
+}
+
+
+/*
+
+And this one is odd since we are assigning a colour to <a> html richtext inside a QLabel.
+We hack it with hardcoded 'style' attribute in the html in python code.
+
+*/
+
+
+QLabel#HydrusHyperlink
+{
+	qproperty-link_color: palette(link);
+}
+
+
+/*
+
+Here is more hydev added--now we have this tech, I am copying the default 'darkmode' colours in the options to all of the darkmode stylesheets so the default choice for new users isn't the dark/light jank-mix. Stylesheet authors are welcome to fix this up with better colours for their particular style and send them in.
+
+*/
+
+
+/* The main thumbnail grid. */
+
+QWidget#HydrusMediaList
+{
+    qproperty-hmrp_background: #343434;
+    qproperty-hmrp_thumbnail_local_background_normal: #404048;
+    qproperty-hmrp_thumbnail_local_border_normal: #91a3b0;
+    qproperty-hmrp_thumbnail_local_background_selected: #708090;
+    qproperty-hmrp_thumbnail_local_border_selected: #dfe3e6;
+    qproperty-hmrp_thumbnail_not_local_background_normal: #400d02;
+    qproperty-hmrp_thumbnail_not_local_border_normal: #f8d0cc;
+    qproperty-hmrp_thumbnail_not_local_background_selected: #ab274f;
+    qproperty-hmrp_thumbnail_not_local_border_selected: #e34234;
+}
+
+
+/* The media viewer. */
+
+QWidget#HydrusMediaViewer
+{
+    qproperty-hmv_background: #343434;
+    qproperty-hmv_text: #708090;
+}
+
+
+/* The tag autocomplete text input. */
+
+QWidget#HydrusTagAutocomplete
+{
+    qproperty-hta_background: #536267;
+}
+
+
+/* Tag lists across the program. */
+
+QWidget#HydrusTagList
+{
+    qproperty-htl_background: #232629;
+}