[Glitch] Add logged-out access to the web UI

Port part of 43b5d5e38d to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/styles/components/columns.scss

@@ -117,6 +117,7 @@
   box-sizing: border-box;
   width: 100%;
   background: lighten($ui-base-color, 4%);
+  border-radius: 4px 4px 0 0;
   color: $highlight-text-color;
   cursor: pointer;
   flex: 0 0 auto;
@@ -204,6 +205,17 @@
       color: $highlight-text-color;
     }
   }
+
+  &--logo {
+    background: transparent;
+    padding: 10px;
+
+    &:hover,
+    &:focus,
+    &:active {
+      background: transparent;
+    }
+  }
 }
 
 .column-link__icon {
@@ -255,6 +267,7 @@
   display: flex;
   font-size: 16px;
   background: lighten($ui-base-color, 4%);
+  border-radius: 4px 4px 0 0;
   flex: 0 0 auto;
   cursor: pointer;
   position: relative;
@@ -309,6 +322,7 @@
 
   > .scrollable {
     background: $ui-base-color;
+    border-radius: 0 0 4px 4px;
   }
 }
 

app/javascript/flavours/glitch/styles/components/index.scss

@@ -110,6 +110,7 @@
     &:hover {
       border-color: lighten($ui-primary-color, 4%);
       color: lighten($darker-text-color, 4%);
+      text-decoration: none;
     }
 
     &:disabled {
@@ -1756,3 +1757,4 @@ noscript {
 @import 'single_column';
 @import 'announcements';
 @import 'explore';
+@import 'signed_out';

app/javascript/flavours/glitch/styles/components/signed_out.scss

@@ -0,0 +1,8 @@
+.sign-in-banner {
+  padding: 10px;
+
+  p {
+    color: $darker-text-color;
+    margin-bottom: 20px;
+  }
+}

app/javascript/flavours/glitch/styles/components/single_column.scss

@@ -6,6 +6,26 @@
   height: calc(100% - 10px);
   overflow-y: hidden;
 
+  .hero-widget {
+    box-shadow: none;
+
+    &__text,
+    &__img,
+    &__img img {
+      border-radius: 0;
+    }
+
+    &__text {
+      padding: 15px;
+      color: $secondary-text-color;
+
+      strong {
+        font-weight: 700;
+        color: $primary-text-color;
+      }
+    }
+  }
+
   .search__input {
     line-height: 18px;
     font-size: 16px;
@@ -21,10 +41,6 @@
     flex: 0 1 48px;
   }
 
-  .flex-spacer {
-    background: transparent;
-  }
-
   .composer {
     flex: 1;
     overflow-y: hidden;
@@ -61,6 +77,14 @@
     flex: 0 0 auto;
   }
 
+  .logo {
+    height: 30px;
+    width: auto;
+  }
+}
+
+.navigation-panel,
+.compose-panel {
   hr {
     flex: 0 0 auto;
     border: 0;