feat(version): versions

1 files changed, 146 insertions, 0 deletions

diff --git a/src/templates/assets/stylesheets/main/extensions/markdown/_footnotes.scss b/src/templates/assets/stylesheets/main/extensions/markdown/_footnotes.scss
new file mode 100644
index 00000000..59447d89
--- /dev/null
+++ b/src/templates/assets/stylesheets/main/extensions/markdown/_footnotes.scss
@@ -0,0 +1,146 @@
+////
+/// Copyright (c) 2016-2023 Martin Donath <martin.donath@squidfunk.com>
+///
+/// Permission is hereby granted, free of charge, to any person obtaining a
+/// copy of this software and associated documentation files (the "Software"),
+/// to deal in the Software without restriction, including without limitation
+/// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+/// and/or sell copies of the Software, and to permit persons to whom the
+/// Software is furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+/// DEALINGS
+////
+
+// ----------------------------------------------------------------------------
+// Rules
+// ----------------------------------------------------------------------------
+
+// Footnotes variables
+:root {
+  --md-footnotes-icon: svg-load("material/keyboard-return.svg");
+}
+
+// ----------------------------------------------------------------------------
+
+// Scoped in typesetted content to match specificity of regular content
+.md-typeset {
+
+  // Footnote container
+  .footnote {
+    font-size: px2rem(12.8px);
+    color: var(--md-default-fg-color--light);
+
+    // Footnote list - omit left indentation
+    > ol {
+      margin-inline-start: 0;
+
+      // Footnote item - footnote items can contain lists, so we need to scope
+      // the spacing adjustments to the top-level footnote item.
+      > li {
+        transition: color 125ms;
+
+        // Darken color on target
+        &:target {
+          color: var(--md-default-fg-color);
+        }
+
+        // Show backreferences on footnote focus without transition
+        &:focus-within .footnote-backref {
+          opacity: 1;
+          transition: none;
+          transform: translateX(0);
+        }
+
+        // Show backreferences on footnote hover/target
+        &:is(:hover, :target) .footnote-backref {
+          opacity: 1;
+          transform: translateX(0);
+        }
+
+        // Adjust spacing on first child
+        > :first-child {
+          margin-top: 0;
+        }
+      }
+    }
+  }
+
+  // Footnote reference
+  .footnote-ref {
+    font-size: px2em(12px, 16px);
+    font-weight: 700;
+
+    // Hack: increase specificity to override default
+    html & {
+      outline-offset: px2rem(2px);
+    }
+  }
+
+  // Show outline for all devices
+  [id^="fnref:"]:target > .footnote-ref {
+    outline: auto;
+  }
+
+  // Footnote backreference
+  .footnote-backref {
+    display: inline-block;
+    // Hack: omit Unicode arrow for replacement with icon
+    font-size: 0;
+    color: var(--md-typeset-a-color);
+    vertical-align: text-bottom;
+    opacity: 0;
+    transition:
+      color     250ms,
+      transform 250ms 250ms,
+      opacity   125ms 250ms;
+    transform: translateX(px2rem(5px));
+
+    // [print]: Show footnote backreferences
+    @media print {
+      color: var(--md-typeset-a-color);
+      opacity: 1;
+      transform: translateX(0);
+    }
+
+    // Adjust for right-to-left languages
+    [dir="rtl"] & {
+      transform: translateX(px2rem(-5px));
+    }
+
+    // Adjust color on hover
+    &:hover {
+      color: var(--md-accent-fg-color);
+    }
+
+    // Footnote backreference icon
+    &::before {
+      display: inline-block;
+      width: px2rem(16px);
+      height: px2rem(16px);
+      content: "";
+      background-color: currentcolor;
+      mask-image: var(--md-footnotes-icon);
+      mask-position: center;
+      mask-repeat: no-repeat;
+      mask-size: contain;
+
+      // Adjust for right-to-left languages
+      [dir="rtl"] & {
+
+        // Flip icon vertically
+        svg {
+          transform: scaleX(-1);
+        }
+      }
+    }
+  }
+}