viewer: styling: use a proper colour palette

Stealing the Material Design Blue Gray palette which should be suitable for most galleries.
It has been checked to be consistent across various screens and the text is guaranteed to be legible.

GitHub: closes #99

2 files changed, 74 insertions, 18 deletions

diff --git a/viewer/src/assets/scss/palette.scss b/viewer/src/assets/scss/palette.scss
new file mode 100644
index 0000000..f7eab11
--- /dev/null
+++ b/viewer/src/assets/scss/palette.scss
@@ -0,0 +1,31 @@
+/* ldgallery - A static generator which turns a collection of tagged
+--             pictures into a searchable web gallery.
+--
+-- Copyright (C) 2020       Pacien TRAN-GIRARD
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU Affero General Public License as
+-- published by the Free Software Foundation, either version 3 of the
+-- License, or (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Affero General Public License for more details.
+--
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+// Material Design Blue Gray colour palette
+$palette-000: #FFFFFF;
+$palette-050: #ECEFF1;
+$palette-100: #CFD8DC;
+$palette-200: #B0BEC5;
+$palette-300: #90A4AE;
+$palette-400: #78909C;
+$palette-500: #607D8B;
+$palette-600: #546E7A;
+$palette-700: #455A64;
+$palette-800: #37474F;
+$palette-900: #263238;
diff --git a/viewer/src/assets/scss/theme.scss b/viewer/src/assets/scss/theme.scss
index f46b9f5..d62a823 100644
--- a/viewer/src/assets/scss/theme.scss
+++ b/viewer/src/assets/scss/theme.scss
@@ -2,6 +2,7 @@
 --             pictures into a searchable web gallery.
 --
 -- Copyright (C) 2019-2020  Guillaume FOUET
+--               2020       Pacien TRAN-GIRARD
 --
 -- This program is free software: you can redistribute it and/or modify
 -- it under the terms of the GNU Affero General Public License as
@@ -17,23 +18,47 @@
 -- along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
-// === Theme
+@import '_buefy_variables.scss';
+@import 'palette.scss';
 
-$layout-top: 35px;
-$layout-left: 250px;
 
-$panel-top-bgcolor: #225;
-$panel-top-txtcolor: white;
-$panel-left-bgcolor: $panel-top-bgcolor;
-$panel-left-txtcolor: $panel-top-txtcolor;
-$content-bgcolor: #1e1e1e;
-$toolbar-color: #d62929;
-$loader-color: #272727;
-
-// Overrides - Buefy
-$link: $panel-top-txtcolor;
-$link-hover: lightblue;
-$disabled-color: #656589;
-$control-radius: 0;
-$input-radius: 0;
-$loading-background: $panel-top-bgcolor;
+// Buefy components
+
+$primary: $palette-000;
+$text: $primary;
+$text-light: $palette-100;
+$text-strong: $primary;
+$input-color: $text;
+$input-placeholder-color: $text-light;
+$input-shadow: none;
+$input-border-color: transparent;
+$input-background-color: $palette-500;
+$input-focus-box-border-color: $palette-200;
+$input-focus-box-shadow-color: transparent;
+$link: $primary;
+$link-visited: $link;
+$link-hover: $palette-100;
+$disabled-color: $palette-400;
+$radius: 0;
+$loading-background: $palette-800;
+$title-color: $palette-200;
+$title-size: $size-5;
+$tag-background-color: $palette-800;
+
+
+// Custom components
+
+$panel-top-bgcolor: $palette-800;
+$panel-top-txtcolor: $primary;
+$panel-left-bgcolor: $palette-800;
+$panel-left-txtcolor: $primary;
+$content-bgcolor: $palette-900;
+$toolbar-color: $palette-300;  // FIXME: should be named "scrollbar"
+$loader-color: $palette-800;
+$input-tag-delete-background-color: $palette-700;
+
+
+// Layout
+
+$layout-top: 45px;
+$layout-left: 250px;