Frontpage and Heatmap CSS tweaks (#13443)

* Frontpage and Heatmap CSS tweaks

- Make heatmap use primary color
- Defined secondary color shades
- Set various blue colors to CSS vars
- Misc tweaks

* remove a useless variable

* remove another useless variable

Co-authored-by: Lauris BH <lauris@nix.lv>

1 files changed, 63 insertions, 85 deletions

diff --git a/web_src/less/themes/theme-arc-green.less b/web_src/less/themes/theme-arc-green.less
index 4cb3e9d7fd..f1dec84676 100644
--- a/web_src/less/themes/theme-arc-green.less
+++ b/web_src/less/themes/theme-arc-green.less
@@ -24,6 +24,32 @@
   --color-primary-alpha-80: #87ab63cc;
   --color-primary-alpha-90: #87ab63e1;
   --color-secondary: #454a57;
+  --color-secondary-dark-1: #505665;
+  --color-secondary-dark-2: #5b6273;
+  --color-secondary-dark-3: #71798e;
+  --color-secondary-dark-4: #7f8699;
+  --color-secondary-dark-5: #8c93a4;
+  --color-secondary-dark-6: #9aa0af;
+  --color-secondary-dark-7: #a8adba;
+  --color-secondary-dark-7: #b6bac5;
+  --color-secondary-dark-8: #c4c7d0;
+  --color-secondary-dark-8: #d2d4db;
+  --color-secondary-dark-9: #dfe1e6;
+  --color-secondary-dark-10: #edeef1;
+  --color-secondary-dark-11: #fbfbfc;
+  --color-secondary-light-1: #373b46;
+  --color-secondary-light-2: #292c34;
+  --color-secondary-light-3: #1c1e23;
+  --color-secondary-light-4: #0e0f11;
+  --color-secondary-alpha-10: #454a5719;
+  --color-secondary-alpha-20: #454a5733;
+  --color-secondary-alpha-30: #454a574b;
+  --color-secondary-alpha-40: #454a5766;
+  --color-secondary-alpha-50: #454a5780;
+  --color-secondary-alpha-60: #454a5799;
+  --color-secondary-alpha-70: #454a57b3;
+  --color-secondary-alpha-80: #454a57cc;
+  --color-secondary-alpha-90: #454a57e1;
   --color-body: #383c4a;
 }
 
@@ -438,7 +464,7 @@
 }
 
 body {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 ::placeholder,
@@ -528,7 +554,7 @@ body {
 }
 
 .ui.secondary.menu .item {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .following.bar .top.menu a.item:hover {
@@ -543,16 +569,10 @@ body {
 
 .ui.attached.table {
   border: 1px solid #304251;
-  background: #304251;
-}
-
-.feeds .list ul li:not(:last-child) {
-  border-bottom: 1px solid #333640;
 }
 
 .feeds .list ul li.private {
   background: #353945;
-  border: 1px solid #333640;
 }
 
 .ui.secondary.menu .active.item,
@@ -577,7 +597,7 @@ body {
 }
 
 .ui.menu .ui.dropdown .menu > .item {
-  color: #a5a5a8 !important;
+  color: var(--color-secondary-dark-6) !important;
 }
 
 .ui.menu .ui.dropdown .menu > .item:hover,
@@ -682,7 +702,7 @@ a.ui.basic.green.label:hover {
 }
 
 .issue.list > .item .comment {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.basic.red.active.button,
@@ -693,7 +713,7 @@ a.ui.basic.green.label:hover {
 
 .ui.menu .item {
   background: var(--color-secondary);
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.menu .item.disabled,
@@ -706,7 +726,7 @@ a.ui.basic.green.label:hover {
 
 .ui.disabled.checkbox label,
 .ui.checkbox input[disabled] ~ label {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.pagination.menu .active.item {
@@ -720,7 +740,7 @@ a.ui.basic.green.label:hover {
 
 .ui.header,
 .ui.breadcrumb .divider {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.divider:not(.vertical):not(.horizontal) {
@@ -746,9 +766,8 @@ a.ui.basic.green.label:hover {
 .ui.form input[type="time"],
 .ui.form input[type="url"],
 .ui.selection.dropdown {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
   background: #2e323e;
-  border: 1px solid var(--color-secondary);
 }
 
 .ui.form input:not([type]):hover,
@@ -785,7 +804,6 @@ a.ui.basic.green.label:hover {
 .ui.form input[type="url"]:focus,
 .ui.selection.dropdown:focus {
   background: #2e323e;
-  border: 1px solid #6a737d;
   color: #dbdbdb;
 }
 
@@ -862,7 +880,7 @@ a.ui.basic.green.label:hover {
 
 .ui.basic.button,
 .ui.basic.buttons .button {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
   background: rgba(0, 0, 0, .06);
   box-shadow: none;
 }
@@ -934,7 +952,7 @@ a.ui.basic.green.label:hover {
 }
 
 .ui .text.grey {
-  color: #a5a5a8 !important;
+  color: var(--color-secondary-dark-6) !important;
 }
 
 .ui.attached.table.segment {
@@ -958,7 +976,7 @@ a.ui.basic.green.label:hover {
   }
 
   .item {
-    color: #a5a5a8;
+    color: var(--color-secondary-dark-6);
   }
 
   .item:hover {
@@ -1033,7 +1051,7 @@ a.ui.basic.green.label:hover {
 
 .ui.segment {
   background: #353945;
-  color: #a5a5a8 !important;
+  color: var(--color-secondary-dark-6) !important;
 }
 
 .ui.segment,
@@ -1043,7 +1061,7 @@ a.ui.basic.green.label:hover {
 }
 
 .ui.list > .item > .content {
-  color: #a5a5a8 !important;
+  color: var(--color-secondary-dark-6) !important;
 }
 
 .ui.active.button:active,
@@ -1070,7 +1088,7 @@ a.ui.basic.green.label:hover {
 }
 
 .ui.dropdown .menu > .item {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .repository.view.issue .comment-list .event > .svg.issue-symbol {
@@ -1146,7 +1164,7 @@ a.ui.basic.green.label:hover {
 }
 
 .comment-header-right a {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .comment-header-right a:hover {
@@ -1269,14 +1287,9 @@ td.blob-hunk {
 }
 
 .ui.selection.active.dropdown,
-.ui.selection.active.dropdown .menu {
-  border-color: #4e5361;
-  box-shadow: 0 2px 3px 0 rgba(0, 0, 0, .1);
-}
-
 .ui.selection.active.dropdown:hover,
+.ui.selection.active.dropdown .menu,
 .ui.selection.active.dropdown:hover .menu {
-  border-color: #4e5361;
   box-shadow: 0 2px 3px 0 rgba(0, 0, 0, .1);
 }
 
@@ -1306,7 +1319,7 @@ td.blob-hunk {
 }
 
 .ui .text.black {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui .text.black:hover {
@@ -1346,7 +1359,7 @@ td.blob-hunk {
 .ui.checkbox label,
 .ui.checkbox + label,
 .ui.form .field > label {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.form .inline.field > label,
@@ -1354,7 +1367,7 @@ td.blob-hunk {
 .ui.form .inline.fields .field > label,
 .ui.form .inline.fields .field > p,
 .ui.form .inline.fields > label {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .user.settings .email.list .item:not(:first-child) {
@@ -1525,7 +1538,7 @@ input {
 }
 
 .ui.selection.visible.dropdown > .text:not(.default) {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.positive.message {
@@ -1570,7 +1583,7 @@ input {
 
 .ui.list .list > .item .description,
 .ui.list > .item .description {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.user.list .item .description a {
@@ -1597,7 +1610,7 @@ input {
 }
 
 .lines-num {
-  color: #a5a5a8 !important;
+  color: var(--color-secondary-dark-6) !important;
   border-color: var(--color-secondary) !important;
 }
 
@@ -1649,12 +1662,12 @@ a.ui.labels .label:hover {
 
 .repository .ui.attached.message.isSigned.isVerified {
   background-color: #394829;
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 
   &.message {
     color: #87ab63;
     .ui.text {
-      color: #a5a5a8;
+      color: var(--color-secondary-dark-6);
     }
     .pull-right {
       color: #87ab63;
@@ -1664,11 +1677,11 @@ a.ui.labels .label:hover {
 
 .repository .ui.attached.message.isSigned.isVerifiedUntrusted {
   background-color: #4a3903;
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
   &.message {
     color: #c2c193;
     .ui.text {
-      color: #a5a5a8;
+      color: var(--color-secondary-dark-6);
     }
     .pull-right,
     a {
@@ -1679,11 +1692,11 @@ a.ui.labels .label:hover {
 
 .repository .ui.attached.message.isSigned.isVerifiedUnmatched {
   background-color: #4e3321;
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
   &.message {
     color: #c2a893;
     .ui.text {
-      color: #a5a5a8;
+      color: var(--color-secondary-dark-6);
     }
     .pull-right,
     a {
@@ -1700,7 +1713,7 @@ a.ui.labels .label:hover {
       color: #d07d7d;
     }
     .pull-right {
-      color: #a5a5a8;
+      color: var(--color-secondary-dark-6);
     }
   }
 }
@@ -1756,7 +1769,7 @@ a.ui.labels .label:hover {
 
 .repository .labelspage .item a:hover,
 .organization.settings .labelspage .item a:hover {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 #git-graph-container li a {
@@ -1768,7 +1781,7 @@ a.ui.labels .label:hover {
 }
 
 .ui.header .sub.header {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.dividing.header {
@@ -1854,7 +1867,7 @@ a.ui.labels .label:hover {
 }
 
 .file-comment {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .ui.comments .comment {
@@ -1867,12 +1880,12 @@ a.ui.labels .label:hover {
   }
 
   .text {
-    color: #a5a5a8;
+    color: var(--color-secondary-dark-6);
   }
 }
 
 .comment-header a {
-  color: #a5a5a8 !important;
+  color: var(--color-secondary-dark-6) !important;
 }
 
 .comment-header .actions a:hover,
@@ -1880,41 +1893,6 @@ a.ui.labels .label:hover {
   color: #dedede !important;
 }
 
-.heatmap(@heat) {
-  @heatmap-cold: #2d303b;
-  @heatmap-hot: #a0cc75;
-  background-color: mix(@heatmap-hot, @heatmap-cold, @heat);
-}
-
-.heatmap-color-0 {
-  .heatmap(0%);
-}
-
-.heatmap-color-1 {
-  .heatmap(20%);
-}
-
-.heatmap-color-2 {
-  .heatmap(40%);
-}
-
-.heatmap-color-3 {
-  .heatmap(60%);
-}
-
-.heatmap-color-4 {
-  .heatmap(80%);
-}
-
-.heatmap-color-5 {
-  .heatmap(100%);
-}
-
-.activity-bar-graph {
-  background-color: #a0cc75;
-  color: #a5a5a8;
-}
-
 /* code mirror dark theme */
 
 .CodeMirror {
@@ -1924,7 +1902,7 @@ a.ui.labels .label:hover {
   border-top: 0;
 
   div.CodeMirror-cursor {
-    border-left: 1px solid #a5a5a8;
+    border-left: 1px solid var(--color-secondary-dark-6);
   }
 
   .CodeMirror-gutters {
@@ -2023,7 +2001,7 @@ a.ui.labels .label:hover {
 
 .ui.popup {
   background-color: #383c4a;
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
   border-color: var(--color-secondary);
 }
 
@@ -2059,7 +2037,7 @@ footer .container .links > * {
 }
 
 .repository.file.list #repo-files-table tbody .svg {
-  color: #a5a5a8;
+  color: var(--color-secondary-dark-6);
 }
 
 .repository.release #release-list > li .detail {