From 332ec93366315fa1ed7b4acd7a3407c96e8ddfa7 Mon Sep 17 00:00:00 2001
From: sadbeast <sadbeast@sadbeast.com>
Date: Wed, 31 Jan 2024 17:47:56 -0800
Subject: initial mistake

---
 app/assets/stylesheets/_functions.scss             |   4 +
 app/assets/stylesheets/_variables.scss             |  69 ++++
 app/assets/stylesheets/application.scss            |   2 +
 app/assets/stylesheets/components/_accordion.scss  | 116 +++++++
 app/assets/stylesheets/components/_card.scss       |  36 +++
 app/assets/stylesheets/components/_dropdown.scss   | 214 +++++++++++++
 app/assets/stylesheets/components/_modal.scss      | 168 ++++++++++
 app/assets/stylesheets/components/_nav.scss        | 141 +++++++++
 app/assets/stylesheets/components/_progress.scss   |  89 ++++++
 app/assets/stylesheets/content/_button.scss        | 183 +++++++++++
 app/assets/stylesheets/content/_code.scss          |  91 ++++++
 app/assets/stylesheets/content/_embedded.scss      |  48 +++
 .../stylesheets/content/_form-alt-input-types.scss | 286 +++++++++++++++++
 .../stylesheets/content/_form-checkbox-radio.scss  | 138 ++++++++
 app/assets/stylesheets/content/_form.scss          | 352 +++++++++++++++++++++
 app/assets/stylesheets/content/_miscs.scss         |  33 ++
 app/assets/stylesheets/content/_table.scss         |  50 +++
 app/assets/stylesheets/content/_typography.scss    | 264 ++++++++++++++++
 app/assets/stylesheets/layout/_container.scss      |  42 +++
 app/assets/stylesheets/layout/_document.scss       |  48 +++
 app/assets/stylesheets/layout/_grid.scss           |  24 ++
 app/assets/stylesheets/layout/_scroller.scss       |  16 +
 app/assets/stylesheets/layout/_section.scss        |   8 +
 app/assets/stylesheets/layout/_sectioning.scss     |  70 ++++
 app/assets/stylesheets/pico.classless.scss         |  13 +
 app/assets/stylesheets/pico.fluid.classless.scss   |  16 +
 app/assets/stylesheets/pico.scss                   |  43 +++
 app/assets/stylesheets/pico.slim.scss              |  47 +++
 app/assets/stylesheets/postcss.config.js           |   9 +
 app/assets/stylesheets/themes/default.scss         |  37 +++
 app/assets/stylesheets/themes/default/_colors.scss |  65 ++++
 app/assets/stylesheets/themes/default/_dark.scss   | 159 ++++++++++
 app/assets/stylesheets/themes/default/_light.scss  | 159 ++++++++++
 app/assets/stylesheets/themes/default/_styles.scss | 247 +++++++++++++++
 .../stylesheets/utilities/_accessibility.scss      |  52 +++
 app/assets/stylesheets/utilities/_loading.scss     |  58 ++++
 .../stylesheets/utilities/_reduce-motion.scss      |  27 ++
 app/assets/stylesheets/utilities/_tooltip.scss     | 278 ++++++++++++++++
 38 files changed, 3702 insertions(+)
 create mode 100644 app/assets/stylesheets/_functions.scss
 create mode 100644 app/assets/stylesheets/_variables.scss
 create mode 100644 app/assets/stylesheets/application.scss
 create mode 100644 app/assets/stylesheets/components/_accordion.scss
 create mode 100644 app/assets/stylesheets/components/_card.scss
 create mode 100644 app/assets/stylesheets/components/_dropdown.scss
 create mode 100644 app/assets/stylesheets/components/_modal.scss
 create mode 100644 app/assets/stylesheets/components/_nav.scss
 create mode 100644 app/assets/stylesheets/components/_progress.scss
 create mode 100644 app/assets/stylesheets/content/_button.scss
 create mode 100644 app/assets/stylesheets/content/_code.scss
 create mode 100644 app/assets/stylesheets/content/_embedded.scss
 create mode 100644 app/assets/stylesheets/content/_form-alt-input-types.scss
 create mode 100644 app/assets/stylesheets/content/_form-checkbox-radio.scss
 create mode 100644 app/assets/stylesheets/content/_form.scss
 create mode 100644 app/assets/stylesheets/content/_miscs.scss
 create mode 100644 app/assets/stylesheets/content/_table.scss
 create mode 100644 app/assets/stylesheets/content/_typography.scss
 create mode 100644 app/assets/stylesheets/layout/_container.scss
 create mode 100644 app/assets/stylesheets/layout/_document.scss
 create mode 100644 app/assets/stylesheets/layout/_grid.scss
 create mode 100644 app/assets/stylesheets/layout/_scroller.scss
 create mode 100644 app/assets/stylesheets/layout/_section.scss
 create mode 100644 app/assets/stylesheets/layout/_sectioning.scss
 create mode 100644 app/assets/stylesheets/pico.classless.scss
 create mode 100644 app/assets/stylesheets/pico.fluid.classless.scss
 create mode 100644 app/assets/stylesheets/pico.scss
 create mode 100644 app/assets/stylesheets/pico.slim.scss
 create mode 100644 app/assets/stylesheets/postcss.config.js
 create mode 100644 app/assets/stylesheets/themes/default.scss
 create mode 100644 app/assets/stylesheets/themes/default/_colors.scss
 create mode 100644 app/assets/stylesheets/themes/default/_dark.scss
 create mode 100644 app/assets/stylesheets/themes/default/_light.scss
 create mode 100644 app/assets/stylesheets/themes/default/_styles.scss
 create mode 100644 app/assets/stylesheets/utilities/_accessibility.scss
 create mode 100644 app/assets/stylesheets/utilities/_loading.scss
 create mode 100644 app/assets/stylesheets/utilities/_reduce-motion.scss
 create mode 100644 app/assets/stylesheets/utilities/_tooltip.scss

(limited to 'app/assets/stylesheets')

diff --git a/app/assets/stylesheets/_functions.scss b/app/assets/stylesheets/_functions.scss
new file mode 100644
index 0000000..160870c
--- /dev/null
+++ b/app/assets/stylesheets/_functions.scss
@@ -0,0 +1,4 @@
+// Output color in RGB format
+@function to-rgb($color) {
+  @return unquote("rgb(#{red($color)}, #{green($color)}, #{blue($color)})");
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/_variables.scss b/app/assets/stylesheets/_variables.scss
new file mode 100644
index 0000000..e2f653e
--- /dev/null
+++ b/app/assets/stylesheets/_variables.scss
@@ -0,0 +1,69 @@
+// Config
+// ––––––––––––––––––––
+
+// Set the root element for $enable-semantic-container and $enable-responsive-spacings
+$semantic-root-element: "body" !default;
+
+// Enable <header>, <main>, <footer> inside $semantic-root-element as containers
+$enable-semantic-container: false !default;
+
+// Enable .container and .container-fluid
+$enable-class-container: true !default;
+
+// Enable a centered viewport for <header>, <main>, <footer> inside $enable-semantic-container 
+// Fluid layout if disabled
+$enable-viewport: true !default;
+
+// Enable responsive spacings for <header>, <main>, <footer>, <section>, <article>
+// Fixed spacings if disabled
+$enable-responsive-spacings: true !default;
+
+// Enable responsive typography
+// Fixed root element size if disabled
+$enable-responsive-typography: true !default;
+
+// Enable .classes
+// .classless version if disabled
+$enable-classes: true !default;
+
+// Enable .grid class
+$enable-grid: true !default;
+
+// Enable transitions
+$enable-transitions: true !default;
+
+// Enable overriding with !important
+$enable-important: true !default;
+
+// Responsive
+// ––––––––––––––––––––
+
+// xs: Extra small (portrait phones)
+// sm: Small(landscape phones)
+// md: Medium(tablets)
+// lg: Large(desktops)
+// xl: Extra large (large desktops)
+
+// NOTE:
+// To provide an easy and fine styling on each breakpoint
+// we didn't use @each, @mixin or @include.
+// That means you need to edit each CSS selector file to add a breakpoint
+
+// Breakpoints
+// 'null' disable the breakpoint
+$breakpoints: (
+  xs: 0,
+  sm: 576px,
+  md: 768px,
+  lg: 992px,
+  xl: 1200px,
+) !default;
+
+// Viewports
+$viewports: (
+  // 'null' disable the viewport on a breakpoint
+  sm: 510px,
+  md: 700px,
+  lg: 920px,
+  xl: 1130px
+) !default;
diff --git a/app/assets/stylesheets/application.scss b/app/assets/stylesheets/application.scss
new file mode 100644
index 0000000..a3ac6ef
--- /dev/null
+++ b/app/assets/stylesheets/application.scss
@@ -0,0 +1,2 @@
+// Sassy
+@import "pico";
diff --git a/app/assets/stylesheets/components/_accordion.scss b/app/assets/stylesheets/components/_accordion.scss
new file mode 100644
index 0000000..59b2c65
--- /dev/null
+++ b/app/assets/stylesheets/components/_accordion.scss
@@ -0,0 +1,116 @@
+/**
+ * Accordion (<details>)
+ */
+
+details {
+  display: block;
+  margin-bottom: var(--spacing);
+  padding-bottom: var(--spacing);
+  border-bottom: var(--border-width) solid var(--accordion-border-color);
+
+  summary {
+    line-height: 1rem;
+    list-style-type: none;
+    cursor: pointer;
+
+    &:not([role]) {
+      color: var(--accordion-close-summary-color);
+    }
+
+    @if $enable-transitions {
+      transition: color var(--transition);
+    }
+
+    // Reset marker
+    &::-webkit-details-marker {
+      display: none;
+    }
+
+    &::marker {
+      display: none;
+    }
+
+    &::-moz-list-bullet {
+      list-style-type: none;
+    }
+
+    // Marker
+    &::after {
+      display: block;
+      width: 1rem;
+      height: 1rem;
+      margin-inline-start: calc(var(--spacing, 1rem) * 0.5);
+      float: right;
+      transform: rotate(-90deg);
+      background-image: var(--icon-chevron);
+      background-position: right center;
+      background-size: 1rem auto;
+      background-repeat: no-repeat;
+      content: "";
+
+      @if $enable-transitions {
+        transition: transform var(--transition);
+      }
+    }
+
+    &:focus {
+      outline: none;
+
+      &:not([role="button"]) {
+        color: var(--accordion-active-summary-color);
+      }
+    }
+
+    // Type button
+    &[role="button"] {
+      width: 100%;
+      text-align: left;
+
+      // Marker
+      &::after {
+        height: calc(1rem * var(--line-height, 1.5));
+        background-image: var(--icon-chevron-button);
+      }
+
+      @if $enable-classes {
+        // .contrast
+        &:not(.outline).contrast {
+          // Marker
+          &::after {
+            background-image: var(--icon-chevron-button-inverse);
+          }
+        }
+      }
+    }
+  }
+
+  // Open
+  &[open] {
+    > summary {
+      margin-bottom: calc(var(--spacing));
+
+      &:not([role]) {
+        &:not(:focus) {
+          color: var(--accordion-open-summary-color);
+        }
+      }
+
+      &::after {
+        transform: rotate(0);
+      }
+    }
+  }
+}
+
+[dir="rtl"] {
+  details {
+    summary {
+      text-align: right;
+
+      &::after {
+        float: left;
+        background-position: left center;
+      }
+    }
+  }
+}
diff --git a/app/assets/stylesheets/components/_card.scss b/app/assets/stylesheets/components/_card.scss
new file mode 100644
index 0000000..924415e
--- /dev/null
+++ b/app/assets/stylesheets/components/_card.scss
@@ -0,0 +1,36 @@
+/**
+ * Card (<article>)
+ */
+
+article {
+  margin: var(--block-spacing-vertical) 0;
+  padding: var(--block-spacing-vertical) var(--block-spacing-horizontal);
+  border-radius: var(--border-radius);
+  background: var(--card-background-color);
+  box-shadow: var(--card-box-shadow);
+
+  > header,
+  > footer {
+    margin-right: calc(var(--block-spacing-horizontal) * -1);
+    margin-left: calc(var(--block-spacing-horizontal) * -1);
+    padding: calc(var(--block-spacing-vertical) * 0.66)
+      var(--block-spacing-horizontal);
+    background-color: var(--card-sectionning-background-color);
+  }
+
+  > header {
+    margin-top: calc(var(--block-spacing-vertical) * -1);
+    margin-bottom: var(--block-spacing-vertical);
+    border-bottom: var(--border-width) solid var(--card-border-color);
+    border-top-right-radius: var(--border-radius);
+    border-top-left-radius: var(--border-radius);
+  }
+
+  > footer {
+    margin-top: var(--block-spacing-vertical);
+    margin-bottom: calc(var(--block-spacing-vertical) * -1);
+    border-top: var(--border-width) solid var(--card-border-color);
+    border-bottom-right-radius: var(--border-radius);
+    border-bottom-left-radius: var(--border-radius);
+  }
+}
diff --git a/app/assets/stylesheets/components/_dropdown.scss b/app/assets/stylesheets/components/_dropdown.scss
new file mode 100644
index 0000000..a16e6d2
--- /dev/null
+++ b/app/assets/stylesheets/components/_dropdown.scss
@@ -0,0 +1,214 @@
+/**
+ * Dropdown ([role="list"])
+ */
+
+// Menu
+details[role="list"],
+li[role="list"] {
+  position: relative;
+}
+
+details[role="list"] summary + ul,
+li[role="list"] > ul {
+  display: flex;
+  z-index: 99;
+  position: absolute;
+  top: auto;
+  right: 0;
+  left: 0;
+  flex-direction: column;
+  margin: 0;
+  padding: 0;
+  border: var(--border-width) solid var(--dropdown-border-color);
+  border-radius: var(--border-radius);
+  border-top-right-radius: 0;
+  border-top-left-radius: 0;
+  background-color: var(--dropdown-background-color);
+  box-shadow: var(--card-box-shadow);
+  color: var(--dropdown-color);
+  white-space: nowrap;
+
+  li {
+    width: 100%;
+    margin-bottom: 0;
+    padding: calc(var(--form-element-spacing-vertical) * 0.5)
+      var(--form-element-spacing-horizontal);
+    list-style: none;
+
+    &:first-of-type {
+      margin-top: calc(var(--form-element-spacing-vertical) * 0.5);
+    }
+
+    &:last-of-type {
+      margin-bottom: calc(var(--form-element-spacing-vertical) * 0.5);
+    }
+
+    a {
+      display: block;
+      margin: calc(var(--form-element-spacing-vertical) * -0.5)
+        calc(var(--form-element-spacing-horizontal) * -1);
+      padding: calc(var(--form-element-spacing-vertical) * 0.5)
+        var(--form-element-spacing-horizontal);
+      overflow: hidden;
+      color: var(--dropdown-color);
+      text-decoration: none;
+      text-overflow: ellipsis;
+
+      &:hover {
+        background-color: var(--dropdown-hover-background-color);
+      }
+    }
+  }
+}
+
+// Marker
+details[role="list"] summary,
+li[role="list"] > a {
+  &::after {
+    display: block;
+    width: 1rem;
+    height: calc(1rem * var(--line-height, 1.5));
+    margin-inline-start: 0.5rem;
+    float: right;
+    transform: rotate(0deg);
+    background-image: var(--icon-chevron);
+    background-position: right center;
+    background-size: 1rem auto;
+    background-repeat: no-repeat;
+    content: "";
+  }
+}
+
+// Global dropdown only
+details[role="list"] {
+  padding: 0;
+  border-bottom: none;
+
+  // Style <summary> as <select>
+  summary {
+    margin-bottom: 0;
+
+    &:not([role]) {
+      height: calc(
+        1rem * var(--line-height) + var(--form-element-spacing-vertical) * 2 +
+          var(--border-width) * 2
+      );
+      padding: var(--form-element-spacing-vertical)
+        var(--form-element-spacing-horizontal);
+      border: var(--border-width) solid var(--form-element-border-color);
+      border-radius: var(--border-radius);
+      background-color: var(--form-element-background-color);
+      color: var(--form-element-placeholder-color);
+      line-height: inherit;
+      cursor: pointer;
+
+      @if $enable-transitions {
+        transition: background-color var(--transition),
+          border-color var(--transition), color var(--transition),
+          box-shadow var(--transition);
+      }
+
+      &:active,
+      &:focus {
+        border-color: var(--form-element-active-border-color);
+        background-color: var(--form-element-active-background-color);
+      }
+
+      &:focus {
+        box-shadow: 0 0 0 var(--outline-width) var(--form-element-focus-color);
+      }
+    }
+  }
+
+  // Close for details[role="list"]
+  &[open] summary {
+    border-bottom-right-radius: 0;
+    border-bottom-left-radius: 0;
+
+    &::before {
+      display: block;
+      z-index: 1;
+      position: fixed;
+      top: 0;
+      right: 0;
+      bottom: 0;
+      left: 0;
+      background: none;
+      content: "";
+      cursor: default;
+    }
+  }
+}
+
+// All Dropdowns inside <nav>
+nav details[role="list"] summary,
+nav li[role="list"] a {
+  display: flex;
+  direction: ltr;
+}
+
+nav details[role="list"] summary + ul,
+nav li[role="list"] > ul {
+  min-width: fit-content;
+  border-radius: var(--border-radius);
+
+  li a {
+    border-radius: 0;
+  }
+}
+
+// Dropdowns inside <nav> as nested <details>
+nav details[role="list"] {
+  summary,
+  summary:not([role]) {
+    height: auto;
+    padding: var(--nav-link-spacing-vertical) var(--nav-link-spacing-horizontal);
+  }
+
+  &[open] summary {
+    border-radius: var(--border-radius);
+  }
+
+  summary + ul {
+    margin-top: var(--outline-width);
+    margin-inline-start: 0;
+  }
+
+  summary[role="link"] {
+    margin-bottom: calc(var(--nav-link-spacing-vertical) * -1);
+    line-height: var(--line-height);
+
+    + ul {
+      margin-top: calc(var(--nav-link-spacing-vertical) + var(--outline-width));
+      margin-inline-start: calc(var(--nav-link-spacing-horizontal) * -1);
+    }
+  }
+}
+
+// Dropdowns inside a <nav> without using <details>
+li[role="list"] {
+  // Open on hover (for mobile)
+  // or on active/focus (for keyboard navigation)
+  &:hover > ul,
+  a:active ~ ul,
+  a:focus ~ ul {
+    display: flex;
+  }
+
+  > ul {
+    display: none;
+    margin-top: calc(var(--nav-link-spacing-vertical) + var(--outline-width));
+    margin-inline-start: calc(
+      var(--nav-element-spacing-horizontal) - var(--nav-link-spacing-horizontal)
+    );
+  }
+
+  > a::after {
+    background-image: var(--icon-chevron);
+  }
+}
+
+label > details[role="list"] {
+  margin-top: calc(var(--spacing) * .25);
+  margin-bottom: var(--spacing);
+}
diff --git a/app/assets/stylesheets/components/_modal.scss b/app/assets/stylesheets/components/_modal.scss
new file mode 100644
index 0000000..af5cb16
--- /dev/null
+++ b/app/assets/stylesheets/components/_modal.scss
@@ -0,0 +1,168 @@
+/**
+ * Modal (<dialog>)
+ */
+
+:root {
+  --scrollbar-width: 0px;
+}
+
+dialog {
+  display: flex;
+  z-index: 999;
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  align-items: center;
+  justify-content: center;
+  width: inherit;
+  min-width: 100%;
+  height: inherit;
+  min-height: 100%;
+  padding: var(--spacing);
+  border: 0;
+  backdrop-filter: var(--modal-overlay-backdrop-filter);
+  background-color: var(--modal-overlay-background-color);
+  color: var(--color);
+
+  // Content
+  article {
+    $close-selector: if($enable-classes, ".close", "a[rel='prev']");
+    max-height: calc(100vh - var(--spacing) * 2);
+    overflow: auto;
+
+    @if map-get($breakpoints, "sm") {
+      @media (min-width: map-get($breakpoints, "sm")) {
+        max-width: map-get($viewports, "sm");
+      }
+    }
+
+    @if map-get($breakpoints, "md") {
+      @media (min-width: map-get($breakpoints, "md")) {
+        max-width: map-get($viewports, "md");
+      }
+    }
+
+    > header,
+    > footer {
+      padding: calc(var(--block-spacing-vertical) * 0.5)
+        var(--block-spacing-horizontal);
+    }
+
+    > header {
+      #{$close-selector} {
+        margin: 0;
+        margin-left: var(--spacing);
+        float: right;
+      }
+    }
+
+    > footer {
+      text-align: right;
+
+      [role="button"] {
+        margin-bottom: 0;
+
+        &:not(:first-of-type) {
+          margin-left: calc(var(--spacing) * 0.5);
+        }
+      }
+    }
+
+    p {
+      &:last-of-type {
+        margin: 0;
+      }
+    }
+
+    // Close icon
+    #{$close-selector} {
+      display: block;
+      width: 1rem;
+      height: 1rem;
+      margin-top: calc(var(--block-spacing-vertical) * -0.5);
+      margin-bottom: var(--typography-spacing-vertical);
+      margin-left: auto;
+      background-image: var(--icon-close);
+      background-position: center;
+      background-size: auto 1rem;
+      background-repeat: no-repeat;
+      opacity: 0.5;
+
+      @if $enable-transitions {
+        transition: opacity var(--transition);
+      }
+
+      &:is([aria-current], :hover, :active, :focus) {
+        opacity: 1;
+      }
+    }
+  }
+
+  // Closed state
+  &:not([open]),
+  &[open="false"] {
+    display: none;
+  }
+}
+
+// Utilities
+@if $enable-classes {
+  .modal-is-open {
+    padding-right: var(--scrollbar-width, 0px);
+    overflow: hidden;
+    pointer-events: none;
+    touch-action: none;
+
+    dialog {
+      pointer-events: auto;
+    }
+  }
+}
+
+// Animations
+@if ($enable-classes and $enable-transitions) {
+  $animation-duration: 0.2s;
+
+  :where(.modal-is-opening, .modal-is-closing) {
+    dialog,
+    dialog > article {
+      animation-duration: $animation-duration;
+      animation-timing-function: ease-in-out;
+      animation-fill-mode: both;
+    }
+
+    dialog {
+      animation-duration: ($animation-duration * 4);
+      animation-name: modal-overlay ;
+
+      > article {
+        animation-delay: $animation-duration;
+        animation-name: modal;
+      }
+    }
+  }
+
+  .modal-is-closing {
+    dialog,
+    dialog > article {
+      animation-delay: 0s;
+      animation-direction: reverse;
+    }
+  }
+
+  @keyframes modal-overlay {
+    from {
+      backdrop-filter: none;
+      background-color: transparent;
+    }
+  }
+
+  @keyframes modal {
+    from {
+      transform: translateY(-100%);
+      opacity: 0;
+    }
+  }
+}
diff --git a/app/assets/stylesheets/components/_nav.scss b/app/assets/stylesheets/components/_nav.scss
new file mode 100644
index 0000000..06fdd22
--- /dev/null
+++ b/app/assets/stylesheets/components/_nav.scss
@@ -0,0 +1,141 @@
+/**
+ * Nav
+ */
+
+// Reboot based on :
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+
+// Prevent VoiceOver from ignoring list semantics in Safari (opinionated)
+:where(nav li)::before {
+  float: left;
+  content: "\200B";
+}
+
+// Pico
+// ––––––––––––––––––––
+
+// Horizontal Nav
+nav,
+nav ul {
+  display: flex;
+}
+
+nav {
+  justify-content: space-between;
+
+  ol,
+  ul {
+    align-items: center;
+    margin-bottom: 0;
+    padding: 0;
+    list-style: none;
+
+    &:first-of-type {
+      margin-left: calc(var(--nav-element-spacing-horizontal) * -1);
+    }
+    &:last-of-type {
+      margin-right: calc(var(--nav-element-spacing-horizontal) * -1);
+    }
+  }
+
+  li {
+    display: inline-block;
+    margin: 0;
+    padding: var(--nav-element-spacing-vertical)
+      var(--nav-element-spacing-horizontal);
+
+    // Minimal support for buttons and forms elements
+    > * {
+      --spacing: 0;
+    }
+  }
+
+  :where(a, [role="link"]) {
+    display: inline-block;
+    margin: calc(var(--nav-link-spacing-vertical) * -1)
+      calc(var(--nav-link-spacing-horizontal) * -1);
+    padding: var(--nav-link-spacing-vertical) var(--nav-link-spacing-horizontal);
+    border-radius: var(--border-radius);
+    text-decoration: none;
+
+    &:is([aria-current], :hover, :active, :focus) {
+      text-decoration: none;
+    }
+  }
+
+  // Breadcrumb
+  &[aria-label="breadcrumb"] {
+    align-items: center;
+    justify-content: start;
+
+    & ul li {
+      &:not(:first-child) {
+        margin-inline-start: var(--nav-link-spacing-horizontal);
+      }
+
+      &:not(:last-child) {
+        ::after {
+          position: absolute;
+          width: calc(var(--nav-link-spacing-horizontal) * 2);
+          margin-inline-start: calc(var(--nav-link-spacing-horizontal) / 2);
+          content: "/";
+          color: var(--muted-color);
+          text-align: center;
+        }
+      }
+    }
+
+    & a[aria-current] {
+      background-color: transparent;
+      color: inherit;
+      text-decoration: none;
+      pointer-events: none;
+    }
+  }
+
+  // Minimal support for role="button"
+  [role="button"] {
+    margin-right: inherit;
+    margin-left: inherit;
+    padding: var(--nav-link-spacing-vertical) var(--nav-link-spacing-horizontal);
+  }
+}
+
+// Vertical Nav
+aside {
+  nav,
+  ol,
+  ul,
+  li {
+    display: block;
+  }
+
+  li {
+    padding: calc(var(--nav-element-spacing-vertical) * 0.5)
+      var(--nav-element-spacing-horizontal);
+
+    a {
+      display: block;
+    }
+
+    // Minimal support for links as buttons
+    [role="button"] {
+      margin: inherit;
+    }
+  }
+}
+
+// Breadcrumb RTL
+[dir="rtl"] {
+  nav {
+    &[aria-label="breadcrumb"] {
+      & ul li {
+        &:not(:last-child) {
+          ::after {
+            content: "\\";
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/app/assets/stylesheets/components/_progress.scss b/app/assets/stylesheets/components/_progress.scss
new file mode 100644
index 0000000..d62ddc0
--- /dev/null
+++ b/app/assets/stylesheets/components/_progress.scss
@@ -0,0 +1,89 @@
+/**
+ * Progress
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// 1. Add the correct display in Edge 18- and IE
+// 2. Add the correct vertical alignment in Chrome, Edge, and Firefox
+progress {
+  display: inline-block; // 1
+  vertical-align: baseline; // 2
+}
+
+// Pico
+// ––––––––––––––––––––
+
+progress {
+  // Reset the default appearance
+  -webkit-appearance: none;
+  -moz-appearance: none;
+
+  // Styles
+  display: inline-block;
+  appearance: none;
+  width: 100%;
+  height: 0.5rem;
+  margin-bottom: calc(var(--spacing) * 0.5);
+  overflow: hidden;
+
+  // Remove Firefox and Opera border
+  border: 0;
+  border-radius: var(--border-radius);
+  background-color: var(--progress-background-color);
+
+  // IE10 uses `color` to set the bar background-color
+  color: var(--progress-color);
+
+  &::-webkit-progress-bar {
+    border-radius: var(--border-radius);
+    background: none;
+  }
+  &[value]::-webkit-progress-value {
+    background-color: var(--progress-color);
+  }
+  &::-moz-progress-bar {
+    background-color: var(--progress-color);
+  }
+
+  // Indeterminate state
+  @media (prefers-reduced-motion: no-preference) {
+    &:indeterminate {
+      background: var(--progress-background-color)
+        linear-gradient(
+          to right,
+          var(--progress-color) 30%,
+          var(--progress-background-color) 30%
+        )
+        top left / 150% 150% no-repeat;
+      animation: progress-indeterminate  1s linear infinite;
+
+      &[value]::-webkit-progress-value {
+        background-color: transparent;
+      }
+      &::-moz-progress-bar {
+        background-color: transparent;
+      }
+    }
+  }
+}
+
+[dir="rtl"] {
+  @media (prefers-reduced-motion: no-preference) {
+    progress:indeterminate {
+      animation-direction: reverse;
+    }
+  }
+}
+
+@keyframes progress-indeterminate {
+  0% {
+    background-position: 200% 0;
+  }
+  100% {
+    background-position: -200% 0;
+  }
+}
diff --git a/app/assets/stylesheets/content/_button.scss b/app/assets/stylesheets/content/_button.scss
new file mode 100644
index 0000000..075a166
--- /dev/null
+++ b/app/assets/stylesheets/content/_button.scss
@@ -0,0 +1,183 @@
+/**
+ * Button
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// 1. Change the font styles in all browsers
+// 2. Remove the margin on controls in Safari
+// 3. Show the overflow in Edge
+button {
+  margin: 0; // 2
+  overflow: visible; // 3
+  font-family: inherit; // 1
+  text-transform: none; // 1
+}
+
+// Correct the inability to style buttons in iOS and Safari
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+// Pico
+// ––––––––––––––––––––
+
+button {
+  display: block;
+  width: 100%;
+  margin-bottom: var(--spacing);
+}
+
+[role="button"] {
+  display: inline-block;
+  text-decoration: none;
+}
+
+button,
+input[type="submit"],
+input[type="button"],
+input[type="reset"],
+[role="button"] {
+  --background-color: var(--primary);
+  --border-color: var(--primary);
+  --color: var(--primary-inverse);
+  --box-shadow: var(--button-box-shadow, 0 0 0 rgba(0, 0, 0, 0));
+  padding: var(--form-element-spacing-vertical)
+    var(--form-element-spacing-horizontal);
+  border: var(--border-width) solid var(--border-color);
+  border-radius: var(--border-radius);
+  outline: none;
+  background-color: var(--background-color);
+  box-shadow: var(--box-shadow);
+  color: var(--color);
+  font-weight: var(--font-weight);
+  font-size: 1rem;
+  line-height: var(--line-height);
+  text-align: center;
+  cursor: pointer;
+
+  @if $enable-transitions {
+    transition: background-color var(--transition),
+      border-color var(--transition), color var(--transition),
+      box-shadow var(--transition);
+  }
+
+  &:is([aria-current], :hover, :active, :focus) {
+    --background-color: var(--primary-hover);
+    --border-color: var(--primary-hover);
+    --box-shadow: var(--button-hover-box-shadow, 0 0 0 rgba(0, 0, 0, 0));
+    --color: var(--primary-inverse);
+  }
+
+  &:focus {
+    --box-shadow: var(--button-hover-box-shadow, 0 0 0 rgba(0, 0, 0, 0)),
+      0 0 0 var(--outline-width) var(--primary-focus);
+  }
+}
+
+// .secondary, .contrast & .outline
+@if $enable-classes {
+
+  // Secondary
+  :is(button, input[type="submit"], input[type="button"], [role="button"]).secondary,
+  input[type="reset"] {
+    --background-color: var(--secondary);
+    --border-color: var(--secondary);
+    --color: var(--secondary-inverse);
+    cursor: pointer;
+
+    &:is([aria-current], :hover, :active, :focus) {
+      --background-color: var(--secondary-hover);
+      --border-color: var(--secondary-hover);
+      --color: var(--secondary-inverse);
+    }
+
+    &:focus {
+      --box-shadow: var(--button-hover-box-shadow, 0 0 0 rgba(0, 0, 0, 0)),
+        0 0 0 var(--outline-width) var(--secondary-focus);
+    }
+  }
+
+  // Contrast
+  :is(button, input[type="submit"], input[type="button"], [role="button"]).contrast {
+    --background-color: var(--contrast);
+    --border-color: var(--contrast);
+    --color: var(--contrast-inverse);
+
+    &:is([aria-current], :hover, :active, :focus) {
+      --background-color: var(--contrast-hover);
+      --border-color: var(--contrast-hover);
+      --color: var(--contrast-inverse);
+    }
+
+    &:focus {
+      --box-shadow: var(--button-hover-box-shadow, 0 0 0 rgba(0, 0, 0, 0)),
+        0 0 0 var(--outline-width) var(--contrast-focus);
+    }
+  }
+
+  // Outline (primary)
+  :is(button, input[type="submit"], input[type="button"], [role="button"]).outline,
+  input[type="reset"].outline {
+    --background-color: transparent;
+    --color: var(--primary);
+
+    &:is([aria-current], :hover, :active, :focus) {
+      --background-color: transparent;
+      --color: var(--primary-hover);
+    }
+  }
+
+  // Outline (secondary)
+  :is(button, input[type="submit"], input[type="button"], [role="button"]).outline.secondary,
+  input[type="reset"].outline {
+    --color: var(--secondary);
+
+    &:is([aria-current], :hover, :active, :focus) {
+      --color: var(--secondary-hover);
+    }
+  }
+
+  // Outline (contrast)
+  :is(button, input[type="submit"], input[type="button"], [role="button"]).outline.contrast {
+    --color: var(--contrast);
+
+    &:is([aria-current], :hover, :active, :focus) {
+      --color: var(--contrast-hover);
+    }
+  }
+} 
+@else {
+  // Secondary button without .class
+  input[type="reset"] {
+    --background-color: var(--secondary);
+    --border-color: var(--secondary);
+    --color: var(--secondary-inverse);
+    cursor: pointer;
+
+    &:is([aria-current], :hover, :active, :focus) {
+      --background-color: var(--secondary-hover);
+      --border-color: var(--secondary-hover);
+    }
+
+    &:focus {
+      --box-shadow: var(--button-hover-box-shadow, 0 0 0 rgba(0, 0, 0, 0)),
+        0 0 0 var(--outline-width) var(--secondary-focus);
+    }
+  }
+}
+
+// Button [disabled]
+// Links without href are disabled by default
+:where(button, [type="submit"], [type="button"], [type="reset"], [role="button"])[disabled],
+:where(fieldset[disabled]) :is(button, [type="submit"], [type="button"], [type="reset"], [role="button"]),
+a[role="button"]:not([href]) {
+  opacity: 0.5;
+  pointer-events: none;
+}
diff --git a/app/assets/stylesheets/content/_code.scss b/app/assets/stylesheets/content/_code.scss
new file mode 100644
index 0000000..e03b191
--- /dev/null
+++ b/app/assets/stylesheets/content/_code.scss
@@ -0,0 +1,91 @@
+/**
+ * Code
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// 1. Correct the inheritance and scaling of font size in all browsers
+// 2. Correct the odd `em` font sizing in all browsers
+pre,
+code,
+kbd,
+samp {
+  font-size: 0.875em; // 2
+  font-family: var(--font-family); // 1
+}
+
+// Prevent overflow of the container in all browsers (opinionated)
+pre {
+  -ms-overflow-style: scrollbar;
+  overflow: auto;
+}
+
+// Pico
+// ––––––––––––––––––––
+
+pre,
+code,
+kbd {
+  border-radius: var(--border-radius);
+  background: var(--code-background-color);
+  color: var(--code-color);
+  font-weight: var(--font-weight);
+  line-height: initial;
+}
+
+code,
+kbd {
+  display: inline-block;
+  padding: 0.375rem 0.5rem;
+}
+
+pre {
+  display: block;
+  margin-bottom: var(--spacing);
+  overflow-x: auto;
+
+  > code {
+    display: block;
+    padding: var(--spacing);
+    background: none;
+    font-size: 14px;
+    line-height: var(--line-height);
+  }
+}
+
+// Code Syntax
+code {
+  // Tags
+  b {
+    color: var(--code-tag-color);
+    font-weight: var(--font-weight);
+  }
+
+  // Properties
+  i {
+    color: var(--code-property-color);
+    font-style: normal;
+  }
+
+  // Values
+  u {
+    color: var(--code-value-color);
+    text-decoration: none;
+  }
+
+  // Comments
+  em {
+    color: var(--code-comment-color);
+    font-style: normal;
+  }
+}
+
+// kbd
+kbd {
+  background-color: var(--code-kbd-background-color);
+  color: var(--code-kbd-color);
+  vertical-align: baseline;
+}
diff --git a/app/assets/stylesheets/content/_embedded.scss b/app/assets/stylesheets/content/_embedded.scss
new file mode 100644
index 0000000..d48293b
--- /dev/null
+++ b/app/assets/stylesheets/content/_embedded.scss
@@ -0,0 +1,48 @@
+/**
+ * Embedded content
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// Change the alignment on media elements in all browsers (opinionated)
+:where(audio, canvas, iframe, img, svg, video) {
+  vertical-align: middle;
+}
+
+// Add the correct display in IE 9-
+audio,
+video {
+  display: inline-block;
+}
+
+// Add the correct display in iOS 4-7
+audio:not([controls]) {
+  display: none;
+  height: 0;
+}
+
+// Remove the border on iframes in all browsers (opinionated)
+:where(iframe) {
+  border-style: none;
+}
+
+// 1. Remove the border on images inside links in IE 10.
+// 2. Responsive by default
+img {
+  max-width: 100%; // 2
+  height: auto; // 2
+  border-style: none; // 1
+}
+
+// Change the fill color to match the text color in all browsers (opinionated)
+:where(svg:not([fill])) {
+  fill: currentColor;
+}
+
+// Hide the overflow in IE
+svg:not(:root) {
+  overflow: hidden;
+}
diff --git a/app/assets/stylesheets/content/_form-alt-input-types.scss b/app/assets/stylesheets/content/_form-alt-input-types.scss
new file mode 100644
index 0000000..f22151e
--- /dev/null
+++ b/app/assets/stylesheets/content/_form-alt-input-types.scss
@@ -0,0 +1,286 @@
+/**
+ * Form elements
+ * Alternatives input types (Not Checkboxes & Radios)
+ */
+
+// Color
+[type="color"] {
+  // Wrapper
+  @mixin color-wrapper {
+    padding: 0;
+  }
+
+  &::-webkit-color-swatch-wrapper {
+    @include color-wrapper;
+  }
+
+  &::-moz-focus-inner {
+    @include color-wrapper;
+  }
+
+  // Swatch
+  @mixin color-swatch {
+    border: 0;
+    border-radius: calc(var(--border-radius) * 0.5);
+  }
+
+  &::-webkit-color-swatch {
+    @include color-swatch;
+  }
+
+  &::-moz-color-swatch {
+    @include color-swatch;
+  }
+}
+
+// Date & Time
+// :not() are needed to add Specificity and avoid !important on padding
+input:not([type="checkbox"], [type="radio"], [type="range"], [type="file"]) {
+  &:is([type="date"], [type="datetime-local"], [type="month"], [type="time"], [type="week"]) {
+    --icon-position: 0.75rem;
+    --icon-width: 1rem;
+    padding-right: calc(var(--icon-width) + var(--icon-position));
+    background-image: var(--icon-date);
+    background-position: center right var(--icon-position);
+    background-size: var(--icon-width) auto;
+    background-repeat: no-repeat;
+  }
+
+  // Time
+  &[type="time"] {
+    background-image: var(--icon-time);
+  }
+}
+
+// Calendar picker
+[type="date"],
+[type="datetime-local"],
+[type="month"],
+[type="time"],
+[type="week"] {
+  &::-webkit-calendar-picker-indicator {
+    width: var(--icon-width);
+    margin-right: calc(var(--icon-width) * -1);
+    margin-left: var(--icon-position);
+    opacity: 0;
+  }
+}
+
+[dir="rtl"]
+  :is([type="date"], [type="datetime-local"], [type="month"], [type="time"], [type="week"]) {
+  text-align: right;
+}
+
+// Calendar icons are hidden in Firefox
+@if $enable-important {
+  @-moz-document url-prefix() {
+    [type="date"],
+    [type="datetime-local"],
+    [type="month"],
+    [type="time"],
+    [type="week"] {
+      padding-right: var(--form-element-spacing-horizontal) !important;
+      background-image: none !important;
+    }
+  }
+}
+
+// File
+[type="file"] {
+  --color: var(--muted-color);
+  padding: calc(var(--form-element-spacing-vertical) * 0.5) 0;
+  border: 0;
+  border-radius: 0;
+  background: none;
+
+  @mixin file-selector-button {
+    --background-color: var(--secondary);
+    --border-color: var(--secondary);
+    --color: var(--secondary-inverse);
+    margin-right: calc(var(--spacing) / 2);
+    margin-left: 0;
+    margin-inline-start: 0;
+    margin-inline-end: calc(var(--spacing) / 2);
+    padding: calc(var(--form-element-spacing-vertical) * 0.5)
+      calc(var(--form-element-spacing-horizontal) * 0.5);
+    border: var(--border-width) solid var(--border-color);
+    border-radius: var(--border-radius);
+    outline: none;
+    background-color: var(--background-color);
+    box-shadow: var(--box-shadow);
+    color: var(--color);
+    font-weight: var(--font-weight);
+    font-size: 1rem;
+    line-height: var(--line-height);
+    text-align: center;
+    cursor: pointer;
+
+    @if $enable-transitions {
+      transition: background-color var(--transition),
+        border-color var(--transition), color var(--transition),
+        box-shadow var(--transition);
+    }
+
+    &:is(:hover, :active, :focus) {
+      --background-color: var(--secondary-hover);
+      --border-color: var(--secondary-hover);
+    }
+  }
+
+  &::file-selector-button {
+    @include file-selector-button;
+  }
+
+  &::-webkit-file-upload-button {
+    @include file-selector-button;
+  }
+
+  &::-ms-browse {
+    @include file-selector-button;
+  }
+}
+
+// Range
+[type="range"] {
+  // Config
+  $height-track: 0.25rem;
+  $height-thumb: 1.25rem;
+  $border-thumb: 2px;
+
+  // Styles
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+  width: 100%;
+  height: $height-thumb;
+  background: none;
+
+  // Slider Track
+  @mixin slider-track {
+    width: 100%;
+    height: $height-track;
+    border-radius: var(--border-radius);
+    background-color: var(--range-border-color);
+
+    @if $enable-transitions {
+      transition: background-color var(--transition),
+        box-shadow var(--transition);
+    }
+  }
+
+  &::-webkit-slider-runnable-track {
+    @include slider-track;
+  }
+
+  &::-moz-range-track {
+    @include slider-track;
+  }
+
+  &::-ms-track {
+    @include slider-track;
+  }
+
+  // Slider Thumb
+  @mixin slider-thumb {
+    -webkit-appearance: none;
+    width: $height-thumb;
+    height: $height-thumb;
+    margin-top: #{(-($height-thumb * 0.5) + ($height-track * 0.5))};
+    border: $border-thumb solid var(--range-thumb-border-color);
+    border-radius: 50%;
+    background-color: var(--range-thumb-color);
+    cursor: pointer;
+
+    @if $enable-transitions {
+      transition: background-color var(--transition),
+        transform var(--transition);
+    }
+  }
+  &::-webkit-slider-thumb {
+    @include slider-thumb;
+  }
+
+  &::-moz-range-thumb {
+    @include slider-thumb;
+  }
+
+  &::-ms-thumb {
+    @include slider-thumb;
+  }
+
+  &:hover,
+  &:focus {
+    --range-border-color: var(--range-active-border-color);
+    --range-thumb-color: var(--range-thumb-hover-color);
+  }
+
+  &:active {
+    --range-thumb-color: var(--range-thumb-active-color);
+
+    // Slider Thumb
+    &::-webkit-slider-thumb {
+      transform: scale(1.25);
+    }
+
+    &::-moz-range-thumb {
+      transform: scale(1.25);
+    }
+
+    &::-ms-thumb {
+      transform: scale(1.25);
+    }
+  }
+}
+
+// Search
+// :not() are needed to add Specificity and avoid !important on padding
+input:not([type="checkbox"], [type="radio"], [type="range"], [type="file"]) {
+  &[type="search"] {
+    padding-inline-start: calc(var(--form-element-spacing-horizontal) + 1.75rem);
+    border-radius: 5rem;
+    background-image: var(--icon-search);
+    background-position: center left 1.125rem;
+    background-size: 1rem auto;
+    background-repeat: no-repeat;
+    
+    &[aria-invalid] {
+      @if $enable-important {
+        padding-inline-start: calc(var(--form-element-spacing-horizontal) + 1.75rem) !important;
+      } 
+      @else {
+        padding-inline-start: calc(var(--form-element-spacing-horizontal) + 1.75rem);
+      }
+      background-position: center left 1.125rem, center right 0.75rem;
+    }
+
+    &[aria-invalid="false"] {
+      background-image: var(--icon-search), var(--icon-valid);
+    }
+
+    &[aria-invalid="true"] {
+      background-image: var(--icon-search), var(--icon-invalid);
+    }
+  }
+}
+
+// Cancel button
+[type="search"] {
+  &::-webkit-search-cancel-button {
+    -webkit-appearance: none;
+    display: none;
+  }
+}
+
+[dir="rtl"] {
+  :where(input) {
+    &:not([type="checkbox"], [type="radio"], [type="range"], [type="file"]) {
+      &[type="search"] {
+        background-position: center right 1.125rem;
+        
+        &[aria-invalid] {
+          background-position: center right 1.125rem, center left 0.75rem;
+        }
+      }
+    }
+  }
+}
diff --git a/app/assets/stylesheets/content/_form-checkbox-radio.scss b/app/assets/stylesheets/content/_form-checkbox-radio.scss
new file mode 100644
index 0000000..c83d35e
--- /dev/null
+++ b/app/assets/stylesheets/content/_form-checkbox-radio.scss
@@ -0,0 +1,138 @@
+/**
+ * Form elements
+ * Checkboxes & Radios
+ */
+
+[type="checkbox"],
+[type="radio"] {
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+  width: 1.25em;
+  height: 1.25em;
+  margin-top: -0.125em;
+  margin-right: 0.375em;
+  margin-left: 0;
+  margin-inline-start: 0;
+  margin-inline-end: 0.375em;
+  border-width: var(--border-width);
+  font-size: inherit;
+  vertical-align: middle;
+  cursor: pointer;
+
+  &::-ms-check {
+    display: none; // unstyle IE checkboxes
+  }
+
+  &:checked,
+  &:checked:active,
+  &:checked:focus {
+    --background-color: var(--primary);
+    --border-color: var(--primary);
+    background-image: var(--icon-checkbox);
+    background-position: center;
+    background-size: 0.75em auto;
+    background-repeat: no-repeat;
+  }
+
+  & ~ label {
+    display: inline-block;
+    margin-right: 0.375em;
+    margin-bottom: 0;
+    cursor: pointer;
+  }
+}
+
+// Checkboxes
+[type="checkbox"] {
+  &:indeterminate {
+    --background-color: var(--primary);
+    --border-color: var(--primary);
+    background-image: var(--icon-minus);
+    background-position: center;
+    background-size: 0.75em auto;
+    background-repeat: no-repeat;
+  }
+}
+
+// Radios
+[type="radio"] {
+  border-radius: 50%;
+
+  &:checked,
+  &:checked:active,
+  &:checked:focus {
+    --background-color: var(--primary-inverse);
+    border-width: 0.35em;
+    background-image: none;
+  }
+}
+
+// Switchs
+[type="checkbox"][role="switch"] {
+  --background-color: var(--switch-background-color);
+  --border-color: var(--switch-background-color);
+  --color: var(--switch-color);
+
+  // Config
+  $switch-height: 1.25em;
+  $switch-width: 2.25em;
+  $switch-transition: 0.1s ease-in-out;
+
+  // Styles
+  width: $switch-width;
+  height: $switch-height;
+  border: var(--border-width) solid var(--border-color);
+  border-radius: $switch-height;
+  background-color: var(--background-color);
+  line-height: $switch-height;
+
+  &:focus {
+    --background-color: var(--switch-background-color);
+    --border-color: var(--switch-background-color);
+  }
+
+  &:checked {
+    --background-color: var(--switch-checked-background-color);
+    --border-color: var(--switch-checked-background-color);
+  }
+
+  &:before {
+    display: block;
+    width: calc(#{$switch-height} - (var(--border-width) * 2));
+    height: 100%;
+    border-radius: 50%;
+    background-color: var(--color);
+    content: "";
+
+    @if $enable-transitions {
+      transition: margin $switch-transition;
+    }
+  }
+
+  &:checked {
+    background-image: none;
+
+    &::before {
+      margin-left: calc(#{$switch-width * 0.5} - var(--border-width));
+      margin-inline-start: calc(#{$switch-width * 0.5} - var(--border-width));
+    }
+  }
+}
+
+// Aria-invalid
+[type="checkbox"],
+[type="checkbox"]:checked,
+[type="radio"],
+[type="radio"]:checked,
+[type="checkbox"][role="switch"],
+[type="checkbox"][role="switch"]:checked {
+  
+  &[aria-invalid="false"] {
+    --border-color: var(--form-element-valid-border-color);
+  }
+
+  &[aria-invalid="true"] {
+    --border-color: var(--form-element-invalid-border-color);
+  }
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/content/_form.scss b/app/assets/stylesheets/content/_form.scss
new file mode 100644
index 0000000..1dda8f3
--- /dev/null
+++ b/app/assets/stylesheets/content/_form.scss
@@ -0,0 +1,352 @@
+/**
+ * Form elements
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// 1. Change the font styles in all browsers
+// 2. Remove the margin in Firefox and Safari
+input,
+optgroup,
+select,
+textarea {
+  margin: 0; // 2
+  font-size: 1rem; // 1
+  line-height: var(--line-height); // 1
+  font-family: inherit; // 1
+  letter-spacing: inherit; // 2
+}
+
+// Show the overflow in IE.
+input {
+  overflow: visible;
+}
+
+// Remove the inheritance of text transform in Edge, Firefox, and IE
+select {
+  text-transform: none;
+}
+
+// 1. Correct the text wrapping in Edge and IE
+// 2. Correct the color inheritance from `fieldset` elements in IE
+// 3. Remove the padding so developers are not caught out when they zero out
+// `fieldset` elements in all browsers
+legend {
+  max-width: 100%; // 1
+  padding: 0; // 3
+  color: inherit; // 2
+  white-space: normal; // 1
+}
+
+// 1. Remove the default vertical scrollbar in IE
+textarea {
+  overflow: auto; // 1
+}
+
+// Remove the padding in IE 10
+[type="checkbox"],
+[type="radio"] {
+  padding: 0;
+}
+
+// Correct the cursor style of increment and decrement buttons in Safari
+::-webkit-inner-spin-button,
+::-webkit-outer-spin-button {
+  height: auto;
+}
+
+// 1. Correct the odd appearance in Chrome and Safari
+// 2. Correct the outline style in Safari
+[type="search"] {
+  -webkit-appearance: textfield; // 1
+  outline-offset: -2px; // 2
+}
+
+// Remove the inner padding in Chrome and Safari on macOS
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+// 1. Correct the inability to style clickable types in iOS and Safari
+// 2. Change font properties to `inherit` in Safari
+::-webkit-file-upload-button {
+  -webkit-appearance: button; // 1
+  font: inherit; // 2
+}
+
+// Remove the inner border and padding of focus outlines in Firefox
+::-moz-focus-inner {
+  padding: 0;
+  border-style: none;
+}
+
+//  Remove the focus outline in Firefox
+:-moz-focusring {
+  outline: none;
+}
+
+// Remove the additional :invalid styles in Firefox
+:-moz-ui-invalid {
+  box-shadow: none;
+}
+
+// Change the inconsistent appearance in IE (opinionated)
+::-ms-expand {
+  display: none;
+}
+
+// Remove the border and padding in all browsers (opinionated)
+[type="file"],
+[type="range"] {
+  padding: 0;
+  border-width: 0;
+}
+
+// Pico
+// ––––––––––––––––––––
+
+// Force height for alternatives input types
+input:not([type="checkbox"], [type="radio"], [type="range"]) {
+  height: calc(
+    (1rem * var(--line-height)) + (var(--form-element-spacing-vertical) * 2) +
+      (var(--border-width) * 2)
+  );
+}
+
+// Fieldset
+fieldset {
+  margin: 0;
+  margin-bottom: var(--spacing);
+  padding: 0;
+  border: 0;
+}
+
+// Label & legend
+label,
+fieldset legend {
+  display: block;
+  margin-bottom: calc(var(--spacing) * 0.25);
+  font-weight: var(--form-label-font-weight, var(--font-weight));
+}
+
+// Blocks, 100%
+input:not([type="checkbox"], [type="radio"]),
+select,
+textarea {
+  width: 100%;
+}
+
+// Reset appearance (Not Checkboxes, Radios, Range and File)
+input:not([type="checkbox"], [type="radio"], [type="range"], [type="file"]),
+select,
+textarea {
+  appearance: none;
+  padding: var(--form-element-spacing-vertical)
+    var(--form-element-spacing-horizontal);
+}
+
+// Commons styles
+input,
+select,
+textarea {
+  --background-color: var(--form-element-background-color);
+  --border-color: var(--form-element-border-color);
+  --color: var(--form-element-color);
+  --box-shadow: none;
+  border: var(--border-width) solid var(--border-color);
+  border-radius: var(--border-radius);
+  outline: none;
+  background-color: var(--background-color);
+  box-shadow: var(--box-shadow);
+  color: var(--color);
+  font-weight: var(--font-weight);
+
+  @if $enable-transitions {
+    transition: background-color var(--transition),
+      border-color var(--transition), color var(--transition),
+      box-shadow var(--transition);
+  }
+}
+
+// Active & Focus
+input:not([type="submit"], [type="button"], [type="reset"], [type="checkbox"], [type="radio"], [readonly]),
+:where(select, textarea) {
+  &:is(:active, :focus) {
+    --background-color: var(--form-element-active-background-color);
+  }
+}
+
+// Active & Focus
+input:not([type="submit"], [type="button"], [type="reset"], [role="switch"], [readonly]),
+:where(select, textarea) {
+  &:is(:active, :focus) {
+    --border-color: var(--form-element-active-border-color);
+  }
+}
+
+// Focus
+input:not([type="submit"], [type="button"], [type="reset"], [type="range"], [type="file"], [readonly]),
+select,
+textarea {
+  &:focus {
+    --box-shadow: 0 0 0 var(--outline-width) var(--form-element-focus-color);
+  }
+}
+
+// Disabled
+input:not([type="submit"], [type="button"], [type="reset"])[disabled],
+select[disabled],
+textarea[disabled],
+:where(fieldset[disabled]) :is(input:not([type="submit"], [type="button"], [type="reset"]), select, textarea) {
+  --background-color: var(--form-element-disabled-background-color);
+  --border-color: var(--form-element-disabled-border-color);
+  opacity: var(--form-element-disabled-opacity);
+  pointer-events: none;
+}
+
+// Aria-invalid
+:where(input, select, textarea) {
+  &:not([type="checkbox"], [type="radio"], [type="date"], [type="datetime-local"], [type="month"], [type="time"], [type="week"]) {
+    &[aria-invalid] {
+      @if $enable-important {
+        padding-right: calc(
+          var(--form-element-spacing-horizontal) + 1.5rem
+        ) !important;
+        padding-left: var(--form-element-spacing-horizontal);
+        padding-inline-start: var(--form-element-spacing-horizontal) !important;
+        padding-inline-end: calc(
+          var(--form-element-spacing-horizontal) + 1.5rem
+        ) !important;
+      }
+      @else {
+        padding-right: calc(var(--form-element-spacing-horizontal) + 1.5rem);
+        padding-left: var(--form-element-spacing-horizontal);
+        padding-inline-start: var(--form-element-spacing-horizontal);
+        padding-inline-end: calc(var(--form-element-spacing-horizontal) + 1.5rem);
+      }
+      background-position: center right 0.75rem;
+      background-size: 1rem auto;
+      background-repeat: no-repeat;
+    }
+
+    &[aria-invalid="false"] {
+      background-image: var(--icon-valid);
+    }
+
+    &[aria-invalid="true"] {
+      background-image: var(--icon-invalid);
+    }
+  }
+
+  &[aria-invalid="false"] {
+    --border-color: var(--form-element-valid-border-color);
+
+    &:is(:active, :focus) {
+      @if $enable-important {
+        --border-color: var(--form-element-valid-active-border-color) !important;
+        --box-shadow: 0 0 0 var(--outline-width) var(--form-element-valid-focus-color) !important;
+      }
+      @else {
+        --border-color: var(--form-element-valid-active-border-color);
+        --box-shadow: 0 0 0 var(--outline-width) var(--form-element-valid-focus-color);
+      }
+    }
+  }
+
+  &[aria-invalid="true"] {
+    --border-color: var(--form-element-invalid-border-color);
+
+    &:is(:active, :focus) {
+      @if $enable-important {
+        --border-color: var(--form-element-invalid-active-border-color) !important;
+        --box-shadow: 0 0 0 var(--outline-width) var(--form-element-invalid-focus-color) !important;
+      }
+      @else {
+        --border-color: var(--form-element-invalid-active-border-color);
+        --box-shadow: 0 0 0 var(--outline-width) var(--form-element-invalid-focus-color);
+      }
+    }
+  }
+}
+
+[dir="rtl"] {
+  :where(input, select, textarea) {
+    &:not([type="checkbox"], [type="radio"]) {
+      &:is([aria-invalid], [aria-invalid="true"], [aria-invalid="false"] ){
+        background-position: center left 0.75rem;
+      }
+    }
+  }
+}
+
+// Placeholder
+input::placeholder,
+input::-webkit-input-placeholder,
+textarea::placeholder,
+textarea::-webkit-input-placeholder,
+select:invalid {
+  color: var(--form-element-placeholder-color);
+  opacity: 1;
+}
+
+// Margin bottom (Not Checkboxes and Radios)
+input:not([type="checkbox"], [type="radio"]),
+select,
+textarea {
+  margin-bottom: var(--spacing);
+}
+
+// Select
+select {
+  // Unstyle the caret on `<select>`s in IE10+.
+  &::-ms-expand {
+    border: 0;
+    background-color: transparent;
+  }
+
+  &:not([multiple], [size]) {
+    padding-right: calc(var(--form-element-spacing-horizontal) + 1.5rem);
+    padding-left: var(--form-element-spacing-horizontal);
+    padding-inline-start: var(--form-element-spacing-horizontal);
+    padding-inline-end: calc(var(--form-element-spacing-horizontal) + 1.5rem);
+    background-image: var(--icon-chevron);
+    background-position: center right 0.75rem;
+    background-size: 1rem auto;
+    background-repeat: no-repeat;
+  }
+}
+
+[dir="rtl"] {
+  select {
+    &:not([multiple], [size]) {
+      background-position: center left 0.75rem;
+    }
+  }
+}
+
+// Helper
+$inputs: "input, select, textarea";
+
+@if ($enable-classes and $enable-grid) {
+  $inputs: $inputs + ", .grid";
+}
+
+:where(#{$inputs}) {
+  + small {
+    display: block;
+    width: 100%;
+    margin-top: calc(var(--spacing) * -0.75);
+    margin-bottom: var(--spacing);
+    color: var(--muted-color);
+  }
+}
+
+// Styles for Input inside a label
+label {
+  > :where(input, select, textarea) {
+    margin-top: calc(var(--spacing) * 0.25);
+  }
+}
diff --git a/app/assets/stylesheets/content/_miscs.scss b/app/assets/stylesheets/content/_miscs.scss
new file mode 100644
index 0000000..526baba
--- /dev/null
+++ b/app/assets/stylesheets/content/_miscs.scss
@@ -0,0 +1,33 @@
+/**
+ * Miscs
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// 1. Correct the inheritance of border color in Firefox
+// 2. Add the correct box sizing in Firefox
+hr {
+  height: 0; // 2
+  border: 0;
+  border-top: 1px solid var(--muted-border-color);
+  color: inherit; // 1
+}
+
+// Add the correct display in IE 10+
+[hidden],
+template {
+  @if $enable-important {
+    display: none !important;
+  } 
+  @else {
+    display: none;
+  }
+}
+
+// Add the correct display in IE 9-
+canvas {
+  display: inline-block;
+}
diff --git a/app/assets/stylesheets/content/_table.scss b/app/assets/stylesheets/content/_table.scss
new file mode 100644
index 0000000..d70cfd7
--- /dev/null
+++ b/app/assets/stylesheets/content/_table.scss
@@ -0,0 +1,50 @@
+/**
+ * Table
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// 1. Collapse border spacing in all browsers (opinionated)
+// 2. Remove text indentation from table contents in Chrome, Edge, and Safari
+:where(table) {
+  width: 100%;
+  border-collapse: collapse; // 1
+  border-spacing: 0;
+  text-indent: 0; // 2
+}
+
+// Pico
+// ––––––––––––––––––––
+
+// Cells
+th,
+td {
+  padding: calc(var(--spacing) / 2) var(--spacing);
+  border-bottom: var(--border-width) solid var(--table-border-color);
+  color: var(--color);
+  font-weight: var(--font-weight);
+  font-size: var(--font-size);
+  text-align: left;
+  text-align: start;
+}
+
+// Footer
+tfoot {
+  th,
+  td {
+    border-top: var(--border-width) solid var(--table-border-color);
+    border-bottom: 0;
+  }
+}
+
+// Striped
+table {
+  &[role="grid"] {
+    tbody tr:nth-child(odd) {
+      background-color: var(--table-row-stripped-background-color);
+    }
+  }
+}
diff --git a/app/assets/stylesheets/content/_typography.scss b/app/assets/stylesheets/content/_typography.scss
new file mode 100644
index 0000000..a9ed71b
--- /dev/null
+++ b/app/assets/stylesheets/content/_typography.scss
@@ -0,0 +1,264 @@
+/**
+ * Typography
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// Add the correct font weight in Chrome, Edge, and Safari
+b,
+strong {
+  font-weight: bolder;
+}
+
+// Prevent `sub` and `sup` elements from affecting the line height in all browsers
+sub,
+sup {
+  position: relative;
+  font-size: 0.75em;
+  line-height: 0;
+  vertical-align: baseline;
+}
+sub {
+  bottom: -0.25em;
+}
+sup {
+  top: -0.5em;
+}
+
+// Pico
+// ––––––––––––––––––––
+
+address,
+blockquote,
+dl,
+figure,
+form,
+ol,
+p,
+pre,
+table,
+ul {
+  margin-top: 0;
+  margin-bottom: var(--typography-spacing-vertical);
+  color: var(--color);
+  font-style: normal;
+  font-weight: var(--font-weight);
+  font-size: var(--font-size);
+}
+
+// Links
+// 1. Remove the gray background on active links in IE 10
+a,
+[role="link"] {
+  --color: var(--primary);
+  --background-color: transparent;
+  outline: none;
+  background-color: var(--background-color); // 1
+  color: var(--color);
+  text-decoration: var(--text-decoration);
+
+  @if $enable-transitions {
+    transition: background-color var(--transition), color var(--transition),
+      text-decoration var(--transition), box-shadow var(--transition);
+  }
+
+  &:is([aria-current], :hover, :active, :focus) {
+    --color: var(--primary-hover);
+    --text-decoration: underline;
+  }
+
+  &:focus {
+    --background-color: var(--primary-focus);
+  }
+
+  @if $enable-classes {
+    // Secondary
+    &.secondary {
+      --color: var(--secondary);
+
+      &:is([aria-current], :hover, :active, :focus) {
+        --color: var(--secondary-hover);
+      }
+
+      &:focus {
+        --background-color: var(--secondary-focus);
+      }
+    }
+
+    // Contrast
+    &.contrast {
+      --color: var(--contrast);
+
+      &:is([aria-current], :hover, :active, :focus) {
+        --color: var(--contrast-hover);
+      }
+
+      &:focus {
+        --background-color: var(--contrast-focus);
+      }
+    }
+  }
+}
+
+// Headings
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  margin-top: 0;
+  margin-bottom: var(--typography-spacing-vertical);
+  color: var(--color);
+  font-weight: var(--font-weight);
+  font-size: var(--font-size);
+  font-family: var(--font-family);
+}
+
+h1 {
+  --color: var(--h1-color);
+}
+h2 {
+  --color: var(--h2-color);
+}
+h3 {
+  --color: var(--h3-color);
+}
+h4 {
+  --color: var(--h4-color);
+}
+h5 {
+  --color: var(--h5-color);
+}
+h6 {
+  --color: var(--h6-color);
+}
+
+// Margin-top for headings after a typography block
+:where(address, blockquote, dl, figure, form, ol, p, pre, table, ul) {
+  ~ :is(h1, h2, h3, h4, h5, h6) {
+    margin-top: var(--typography-spacing-vertical);
+  }
+}
+
+// Heading group
+@if $enable-classes == false {
+  hgroup {
+    margin-bottom: var(--typography-spacing-vertical);
+
+    > * {
+      margin-bottom: 0;
+    }
+
+    > *:last-child {
+      --color: var(--muted-color);
+      --font-weight: unset;
+      font-size: 1rem;
+      font-family: unset;
+    }
+  }
+}
+
+@if $enable-classes {
+  hgroup,
+  .headings {
+    margin-bottom: var(--typography-spacing-vertical);
+
+    > * {
+      margin-bottom: 0;
+    }
+
+    > *:last-child {
+      --color: var(--muted-color);
+      --font-weight: unset;
+      font-size: 1rem;
+      font-family: unset;
+    }
+  }
+}
+
+// Paragraphs
+p {
+  margin-bottom: var(--typography-spacing-vertical);
+}
+
+// Small
+small {
+  font-size: var(--font-size);
+}
+
+// Lists
+:where(dl, ol, ul) {
+  padding-right: 0;
+  padding-left: var(--spacing);
+  padding-inline-start: var(--spacing);
+  padding-inline-end: 0;
+
+  li {
+    margin-bottom: calc(var(--typography-spacing-vertical) * 0.25);
+  }
+}
+
+// Margin-top for nested lists
+// 1. Remove the margin on nested lists in Chrome, Edge, IE, and Safari
+:where(dl, ol, ul) {
+  :is(dl, ol, ul) {
+    margin: 0; // 1
+    margin-top: calc(var(--typography-spacing-vertical) * 0.25);
+  }
+}
+
+ul li {
+  list-style: square;
+}
+
+// Highlighted text
+mark {
+  padding: 0.125rem 0.25rem;
+  background-color: var(--mark-background-color);
+  color: var(--mark-color);
+  vertical-align: baseline;
+}
+
+// Blockquote
+blockquote {
+  display: block;
+  margin: var(--typography-spacing-vertical) 0;
+  padding: var(--spacing);
+  border-right: none;
+  border-left: 0.25rem solid var(--blockquote-border-color);
+  border-inline-start: 0.25rem solid var(--blockquote-border-color);
+  border-inline-end: none;
+
+  footer {
+    margin-top: calc(var(--typography-spacing-vertical) * 0.5);
+    color: var(--blockquote-footer-color);
+  }
+}
+
+// Abbreviations
+// 1. Remove underline decoration in Chrome, Edge, IE, Opera, and Safari
+abbr[title] {
+  border-bottom: 1px dotted;
+  text-decoration: none; // 1
+  cursor: help;
+}
+
+// Ins
+ins {
+  color: var(--ins-color);
+  text-decoration: none;
+}
+
+// del
+del {
+  color: var(--del-color);
+}
+
+// selection
+::selection {
+  background-color: var(--primary-focus);
+}
diff --git a/app/assets/stylesheets/layout/_container.scss b/app/assets/stylesheets/layout/_container.scss
new file mode 100644
index 0000000..6a20bea
--- /dev/null
+++ b/app/assets/stylesheets/layout/_container.scss
@@ -0,0 +1,42 @@
+@if ($enable-class-container and $enable-classes) {
+  /**
+ * Container
+ */
+
+  .container,
+  .container-fluid {
+    width: 100%;
+    margin-right: auto;
+    margin-left: auto;
+    padding-right: var(--spacing);
+    padding-left: var(--spacing);
+  }
+
+  .container {
+    @if map-get($breakpoints, "sm") {
+      @media (min-width: map-get($breakpoints, "sm")) {
+        max-width: map-get($viewports, "sm");
+        padding-right: 0;
+        padding-left: 0;
+      }
+    }
+
+    @if map-get($breakpoints, "md") {
+      @media (min-width: map-get($breakpoints, "md")) {
+        max-width: map-get($viewports, "md");
+      }
+    }
+
+    @if map-get($breakpoints, "lg") {
+      @media (min-width: map-get($breakpoints, "lg")) {
+        max-width: map-get($viewports, "lg");
+      }
+    }
+
+    @if map-get($breakpoints, "xl") {
+      @media (min-width: map-get($breakpoints, "xl")) {
+        max-width: map-get($viewports, "xl");
+      }
+    }
+  }
+}
diff --git a/app/assets/stylesheets/layout/_document.scss b/app/assets/stylesheets/layout/_document.scss
new file mode 100644
index 0000000..1607659
--- /dev/null
+++ b/app/assets/stylesheets/layout/_document.scss
@@ -0,0 +1,48 @@
+/**
+ * Document
+ * Content-box & Responsive typography
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// 1. Add border box sizing in all browsers (opinionated)
+// 2. Backgrounds do not repeat by default (opinionated)
+*,
+*::before,
+*::after {
+  box-sizing: border-box; // 1
+  background-repeat: no-repeat; // 2
+}
+
+// 1. Add text decoration inheritance in all browsers (opinionated)
+// 2. Add vertical alignment inheritance in all browsers (opinionated)
+::before,
+::after {
+  text-decoration: inherit; // 1
+  vertical-align: inherit; // 2
+}
+
+// 1. Use the default cursor in all browsers (opinionated)
+// 2. Change the line height in all browsers (opinionated)
+// 3. Breaks words to prevent overflow in all browsers (opinionated)
+// 4. Use a 4-space tab width in all browsers (opinionated)
+// 5. Remove the grey highlight on links in iOS (opinionated)
+// 6. Prevent adjustments of font size after orientation changes in iOS
+:where(:root) {
+  -webkit-tap-highlight-color: transparent; // 5
+  -webkit-text-size-adjust: 100%; // 6
+  text-size-adjust: 100%; // 6
+  background-color: var(--background-color);
+  color: var(--color);
+  font-weight: var(--font-weight);
+  font-size: var(--font-size);
+  line-height: var(--line-height); // 2
+  font-family: var(--font-family);
+  text-rendering: optimizeLegibility;
+  overflow-wrap: break-word; // 3
+  cursor: default; // 1
+  tab-size: 4; // 4
+}
diff --git a/app/assets/stylesheets/layout/_grid.scss b/app/assets/stylesheets/layout/_grid.scss
new file mode 100644
index 0000000..572312b
--- /dev/null
+++ b/app/assets/stylesheets/layout/_grid.scss
@@ -0,0 +1,24 @@
+@if ($enable-classes and $enable-grid) {
+  /**
+ * Grid
+ * Minimal grid system with auto-layout columns
+ */
+
+  .grid {
+    grid-column-gap: var(--grid-spacing-horizontal);
+    grid-row-gap: var(--grid-spacing-vertical);
+    display: grid;
+    grid-template-columns: 1fr;
+    margin: 0;
+
+    @if map-get($breakpoints, "lg") {
+      @media (min-width: map-get($breakpoints, "lg")) {
+        grid-template-columns: repeat(auto-fit, minmax(0%, 1fr));
+      }
+    }
+
+    & > * {
+      min-width: 0; // HACK for childs in overflow
+    }
+  }
+}
diff --git a/app/assets/stylesheets/layout/_scroller.scss b/app/assets/stylesheets/layout/_scroller.scss
new file mode 100644
index 0000000..9b58ef7
--- /dev/null
+++ b/app/assets/stylesheets/layout/_scroller.scss
@@ -0,0 +1,16 @@
+/**
+ * Horizontal scroller (<figure>)
+ */
+
+// Wrapper to make any content responsive across all viewports
+figure {
+  display: block;
+  margin: 0;
+  padding: 0;
+  overflow-x: auto;
+
+  figcaption {
+    padding: calc(var(--spacing) * 0.5) 0;
+    color: var(--muted-color);
+  }
+}
diff --git a/app/assets/stylesheets/layout/_section.scss b/app/assets/stylesheets/layout/_section.scss
new file mode 100644
index 0000000..8bc6902
--- /dev/null
+++ b/app/assets/stylesheets/layout/_section.scss
@@ -0,0 +1,8 @@
+/**
+ * Section
+ * Responsive spacings for section
+ */
+
+section {
+  margin-bottom: var(--block-spacing-vertical);
+}
diff --git a/app/assets/stylesheets/layout/_sectioning.scss b/app/assets/stylesheets/layout/_sectioning.scss
new file mode 100644
index 0000000..00d73c5
--- /dev/null
+++ b/app/assets/stylesheets/layout/_sectioning.scss
@@ -0,0 +1,70 @@
+/**
+ * Sectioning
+ * Container and responsive spacings for header, main, footer
+ */
+
+// Reboot based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// Render the `main` element consistently in IE
+main {
+  display: block;
+}
+
+// Pico
+// ––––––––––––––––––––
+
+// 1. Remove the margin in all browsers (opinionated)
+#{$semantic-root-element} {
+  width: 100%;
+  margin: 0; // 1
+
+  > header,
+  > main,
+  > footer {
+    width: 100%;
+    margin-right: auto;
+    margin-left: auto;
+
+    // Semantic container
+    @if $enable-semantic-container {
+      padding: var(--block-spacing-vertical) var(--block-spacing-horizontal);
+
+      // Centered viewport
+      @if $enable-viewport {
+        @if map-get($breakpoints, "sm") and $enable-viewport {
+          @media (min-width: map-get($breakpoints, "sm")) {
+            max-width: map-get($viewports, "sm");
+            padding-right: 0;
+            padding-left: 0;
+          }
+        }
+
+        @if map-get($breakpoints, "md") and $enable-viewport {
+          @media (min-width: map-get($breakpoints, "md")) {
+            max-width: map-get($viewports, "md");
+          }
+        }
+
+        @if map-get($breakpoints, "lg") and $enable-viewport {
+          @media (min-width: map-get($breakpoints, "lg")) {
+            max-width: map-get($viewports, "lg");
+          }
+        }
+
+        @if map-get($breakpoints, "xl") and $enable-viewport {
+          @media (min-width: map-get($breakpoints, "xl")) {
+            max-width: map-get($viewports, "xl");
+          }
+        }
+      }
+    }
+
+    // Semantic container
+    @else {
+      padding: var(--block-spacing-vertical) 0;
+    }
+  }
+}
diff --git a/app/assets/stylesheets/pico.classless.scss b/app/assets/stylesheets/pico.classless.scss
new file mode 100644
index 0000000..c5ea832
--- /dev/null
+++ b/app/assets/stylesheets/pico.classless.scss
@@ -0,0 +1,13 @@
+// Config
+// --------------------
+
+// Enable <header>, <main>, <footer> inside $semantic-root-element as containers
+$enable-semantic-container: true;
+
+// Enable .classes
+$enable-classes: false;
+
+// Pico Lib
+// --------------------
+
+@import "pico";
diff --git a/app/assets/stylesheets/pico.fluid.classless.scss b/app/assets/stylesheets/pico.fluid.classless.scss
new file mode 100644
index 0000000..ef6af04
--- /dev/null
+++ b/app/assets/stylesheets/pico.fluid.classless.scss
@@ -0,0 +1,16 @@
+// Config
+// --------------------
+
+// Enable <header>, <main>, <footer> inside $semantic-root-element as containers
+$enable-semantic-container: true;
+
+// Enable a centered viewport for <header>, <main>, <footer> inside $enable-semantic-container 
+$enable-viewport: false;
+
+// Enable .classes
+$enable-classes: false;
+
+// Pico Lib
+// --------------------
+
+@import "pico";
diff --git a/app/assets/stylesheets/pico.scss b/app/assets/stylesheets/pico.scss
new file mode 100644
index 0000000..b248799
--- /dev/null
+++ b/app/assets/stylesheets/pico.scss
@@ -0,0 +1,43 @@
+/*!
+ * Pico CSS v1.5.11 (https://picocss.com)
+ * Copyright 2019-2023 - Licensed under MIT
+ */
+
+// Config
+@import "variables";
+
+// Theming
+@import "themes/default";
+
+// Layout
+@import "layout/document"; // html
+@import "layout/sectioning"; // body, header, main, footer
+@import "layout/container"; // .container, .container-fluid
+@import "layout/section"; // section
+@import "layout/grid"; // .grid
+@import "layout/scroller"; // figure
+
+// Content
+@import "content/typography"; // a, headings, p, ul, blockquote, ...
+@import "content/embedded"; // audio, canvas, iframe, img, svg, video
+@import "content/button"; // button, a[role=button], type=button, type=submit ...
+@import "content/form"; // input, select, textarea, label, fieldset, legend
+@import "content/form-checkbox-radio"; // type=checkbox, type=radio, role=switch
+@import "content/form-alt-input-types"; // type=color, type=date, type=file, type=search, ...
+@import "content/table"; // table, tr, td, ...
+@import "content/code"; // pre, code, ...
+@import "content/miscs"; // hr, template, [hidden], dialog, canvas
+
+// Components
+@import "components/accordion"; // details, summary
+@import "components/card"; // article
+@import "components/modal"; // dialog
+@import "components/nav"; // nav
+@import "components/progress"; // progress
+@import "components/dropdown"; // dropdown
+
+// Utilities
+@import "utilities/loading"; // aria-busy=true
+@import "utilities/tooltip"; // data-tooltip
+@import "utilities/accessibility"; // -ms-touch-action, aria-*
+@import "utilities/reduce-motion"; // prefers-reduced-motion
diff --git a/app/assets/stylesheets/pico.slim.scss b/app/assets/stylesheets/pico.slim.scss
new file mode 100644
index 0000000..cb9aa42
--- /dev/null
+++ b/app/assets/stylesheets/pico.slim.scss
@@ -0,0 +1,47 @@
+/*!
+ * Pico CSS v1.5.11 (https://picocss.com)
+ * Copyright 2019-2023 - Licensed under MIT
+ *
+ * Slim version example
+ * You can export only the modules you need
+ */
+
+// Config
+// --------------------
+
+// Enable responsive spacings for <header>, <main>, <footer>, <section>, <article>
+$enable-responsive-spacings: false;
+
+// Enable transitions
+$enable-transitions: false;
+
+// Enable overriding with !important
+$enable-important: false;
+
+// Pico Lib
+// --------------------
+
+// Config
+@import "variables";
+
+// Theming
+@import "themes/default";
+
+// Layout
+@import "layout/document"; // html
+@import "layout/sectioning"; // body, header, main, footer
+@import "layout/container"; // .container, .container-fluid
+@import "layout/section"; // section
+@import "layout/grid"; // .grid
+@import "layout/scroller"; // figure
+
+// Content
+@import "content/typography"; // a, headings, p, ul, blockquote, ...
+@import "content/embedded"; // audio, canvas, iframe, img, svg, video
+@import "content/button"; // button, a[role=button], type=button, type=submit ...
+@import "content/form"; // input, select, textarea, label, fieldset, legend
+@import "content/table"; // table, tr, td, ...
+
+// Utilities
+@import "utilities/accessibility"; // -ms-touch-action, aria-*
+@import "utilities/reduce-motion"; // prefers-reduced-motion
diff --git a/app/assets/stylesheets/postcss.config.js b/app/assets/stylesheets/postcss.config.js
new file mode 100644
index 0000000..4eaff47
--- /dev/null
+++ b/app/assets/stylesheets/postcss.config.js
@@ -0,0 +1,9 @@
+module.exports = {
+  syntax: "postcss-scss",
+  map: false,
+  plugins: {
+    "css-declaration-sorter": { 
+      order: "smacss" 
+    }
+  }
+}
\ No newline at end of file
diff --git a/app/assets/stylesheets/themes/default.scss b/app/assets/stylesheets/themes/default.scss
new file mode 100644
index 0000000..c96b7e7
--- /dev/null
+++ b/app/assets/stylesheets/themes/default.scss
@@ -0,0 +1,37 @@
+/**
+ * Theme: default
+ */
+
+// Variables
+@import "../variables";
+@import "default/colors";
+
+// Commons styles
+@import "default/styles";
+
+// Light theme (Default)
+// Can be forced with data-theme="light"
+@import "default/light";
+
+// Dark theme (Auto)
+// Automatically enabled if user has Dark mode enabled
+@import "default/dark";
+@media only screen and (prefers-color-scheme: dark) {
+  :root:not([data-theme]) {
+    @include dark;
+  }
+}
+
+// Dark theme (Forced)
+// Enabled if forced with data-theme="dark"
+[data-theme="dark"] {
+  @include dark;
+}
+
+// Accent-color
+progress,
+[type="checkbox"],
+[type="radio"],
+[type="range"] {
+  accent-color: var(--primary);
+}
diff --git a/app/assets/stylesheets/themes/default/_colors.scss b/app/assets/stylesheets/themes/default/_colors.scss
new file mode 100644
index 0000000..19079ff
--- /dev/null
+++ b/app/assets/stylesheets/themes/default/_colors.scss
@@ -0,0 +1,65 @@
+// Navy-Grey
+$grey-hue: 205 !default;
+$grey-50: hsl($grey-hue, 20%, 94%) !default;
+$grey-100: hsl($grey-hue, 18%, 86%) !default;
+$grey-200: hsl($grey-hue, 16%, 77%) !default;
+$grey-300: hsl($grey-hue, 14%, 68%) !default;
+$grey-400: hsl($grey-hue, 12%, 59%) !default;
+$grey-500: hsl($grey-hue, 10%, 50%) !default;
+$grey-600: hsl($grey-hue, 15%, 41%) !default;
+$grey-700: hsl($grey-hue, 20%, 32%) !default;
+$grey-800: hsl($grey-hue, 25%, 23%) !default;
+$grey-900: hsl($grey-hue, 30%, 15%) !default;
+
+// Light Blue
+$primary-hue: 195 !default;
+$primary-50: hsl($primary-hue, 90%, 94%) !default;
+$primary-100: hsl($primary-hue, 88%, 86%) !default;
+$primary-200: hsl($primary-hue, 86%, 77%) !default;
+$primary-300: hsl($primary-hue, 84%, 68%) !default;
+$primary-400: hsl($primary-hue, 82%, 59%) !default;
+$primary-500: hsl($primary-hue, 80%, 50%) !default;
+$primary-600: hsl($primary-hue, 85%, 41%) !default;
+$primary-700: hsl($primary-hue, 90%, 32%) !default;
+$primary-800: hsl($primary-hue, 95%, 23%) !default;
+$primary-900: hsl($primary-hue, 100%, 15%) !default;
+
+// Black & White
+$black: #000 !default;
+$white: #fff !default;
+
+// Amber
+$amber-50: #fff8e1 !default;
+$amber-100: #ffecb3 !default;
+$amber-200: #ffe082 !default;
+$amber-300: #ffd54f !default;
+$amber-400: #ffca28 !default;
+$amber-500: #ffc107 !default;
+$amber-600: #ffb300 !default;
+$amber-700: #ffa000 !default;
+$amber-800: #ff8f00 !default;
+$amber-900: #ff6f00 !default;
+
+// Green
+$green-50: #e8f5e9 !default;
+$green-100: #c8e6c9 !default;
+$green-200: #a5d6a7 !default;
+$green-300: #81c784 !default;
+$green-400: #66bb6a !default;
+$green-500: #4caf50 !default;
+$green-600: #43a047 !default;
+$green-700: #388e3c !default;
+$green-800: #2e7d32 !default;
+$green-900: #1b5e20 !default;
+
+// Red
+$red-50: #ffebee !default;
+$red-100: #ffcdd2 !default;
+$red-200: #ef9a9a !default;
+$red-300: #e57373 !default;
+$red-400: #ef5350 !default;
+$red-500: #f44336 !default;
+$red-600: #e53935 !default;
+$red-700: #d32f2f !default;
+$red-800: #c62828 !default;
+$red-900: #b71c1c !default;
diff --git a/app/assets/stylesheets/themes/default/_dark.scss b/app/assets/stylesheets/themes/default/_dark.scss
new file mode 100644
index 0000000..2bf12e2
--- /dev/null
+++ b/app/assets/stylesheets/themes/default/_dark.scss
@@ -0,0 +1,159 @@
+@import "../../functions";
+
+// Default: Dark theme
+@mixin dark {
+  --background-color: #{mix($black, $grey-900, 37.5%)};
+
+  // Texts colors
+  --color: #{$grey-200};
+  --h1-color: #{$grey-50};
+  --h2-color: #{mix($grey-100, $grey-50)};
+  --h3-color: #{$grey-100};
+  --h4-color: #{mix($grey-200, $grey-100)};
+  --h5-color: #{$grey-200};
+  --h6-color: #{mix($grey-300, $grey-200)};
+
+  // Muted colors
+  --muted-color: #{$grey-500};
+  --muted-border-color: #{mix($grey-900, $grey-800, 75%)};
+
+  // Primary colors
+  --primary: #{$primary-600};
+  --primary-hover: #{$primary-500};
+  --primary-focus: #{rgba($primary-600, 0.25)};
+  --primary-inverse: #{$white};
+
+  // Secondary colors
+  --secondary: #{$grey-600};
+  --secondary-hover: #{$grey-500};
+  --secondary-focus: #{rgba($grey-500, 0.25)};
+  --secondary-inverse: #{$white};
+
+  // Contrast colors
+  --contrast: #{$grey-50};
+  --contrast-hover: #{$white};
+  --contrast-focus: #{rgba($grey-500, 0.25)};
+  --contrast-inverse: #{$black};
+
+  // Highlighted text (<mark>)
+  --mark-background-color: #{mix($grey-300, $amber-300)};
+  --mark-color: #{mix($black, $grey-900, 37.5%)};
+
+  // Inserted (<ins>) & Deleted (<ins>)
+  --ins-color: #{$green-700};
+  --del-color: #{$red-800};
+
+  // Blockquote
+  --blockquote-border-color: var(--muted-border-color);
+  --blockquote-footer-color: var(--muted-color);
+
+  // Button
+  // To disable box-shadow, remove the var or set to '0 0 0 rgba(0, 0, 0, 0)'
+  // Don't use, 'none, 'false, 'null', '0', etc.
+  --button-box-shadow: 0 0 0 rgba(0, 0, 0, 0);
+  --button-hover-box-shadow: 0 0 0 rgba(0, 0, 0, 0);
+
+  // Form elements
+  --form-element-background-color: #{mix($black, $grey-900, 37.5%)};
+  --form-element-border-color: #{mix($grey-800, $grey-700)};
+  --form-element-color: var(--color);
+  --form-element-placeholder-color: var(--muted-color);
+  --form-element-active-background-color: var(--form-element-background-color);
+  --form-element-active-border-color: var(--primary);
+  --form-element-focus-color: var(--primary-focus);
+  --form-element-disabled-background-color: #{$grey-800};
+  --form-element-disabled-border-color: #{$grey-700};
+  --form-element-disabled-opacity: 0.5;
+  --form-element-invalid-border-color: #{$red-900};
+  --form-element-invalid-active-border-color: #{$red-800};
+  --form-element-invalid-focus-color: #{rgba($red-800, 0.25)};
+  --form-element-valid-border-color: #{$green-800};
+  --form-element-valid-active-border-color: #{$green-700};
+  --form-element-valid-focus-color: #{rgba($green-700, 0.25)};
+
+  // Switch (input[type="checkbox"][role="switch"])
+  --switch-background-color: #{mix($grey-800, $grey-700)};
+  --switch-color: var(--primary-inverse);
+  --switch-checked-background-color: var(--primary);
+
+  // Range (input[type="range"])
+  --range-border-color: #{mix($grey-900, $grey-800)};
+  --range-active-border-color: #{$grey-800};
+  --range-thumb-border-color: var(--background-color);
+  --range-thumb-color: var(--secondary);
+  --range-thumb-hover-color: var(--secondary-hover);
+  --range-thumb-active-color: var(--primary);
+
+  // Table
+  --table-border-color: var(--muted-border-color);
+  --table-row-stripped-background-color: #{rgba($grey-500, 0.05)};
+
+  // Code
+  --code-background-color: #{mix($black, $grey-900, 12.5%)};
+  --code-color: var(--muted-color);
+  --code-kbd-background-color: var(--contrast);
+  --code-kbd-color: var(--contrast-inverse);
+  --code-tag-color: #{hsl(330, 30%, 50%)};
+  --code-property-color: #{hsl(185, 30%, 50%)};
+  --code-value-color: #{hsl(40, 10%, 50%)};
+  --code-comment-color: #{mix($grey-700, $grey-600)};
+
+  // Accordion (<details>)
+  --accordion-border-color: var(--muted-border-color);
+  --accordion-active-summary-color: var(--primary);
+  --accordion-close-summary-color: var(--color);
+  --accordion-open-summary-color: var(--muted-color);
+
+  // Card (<article>)
+  $box-shadow-elevation: 1rem;
+  $box-shadow-blur-strengh: 6rem;
+  $box-shadow-opacity: 0.06;
+  --card-background-color: #{mix($black, $grey-900, 25%)};
+  --card-border-color: var(--card-background-color);
+  --card-box-shadow:
+    #{($box-shadow-elevation * 0.5 * 0.029)} #{($box-shadow-elevation * 0.029)} #{($box-shadow-blur-strengh * 0.029)} #{rgba($black, ($box-shadow-opacity * 0.283))},
+    #{($box-shadow-elevation * 0.5 * 0.067)} #{($box-shadow-elevation * 0.067)} #{($box-shadow-blur-strengh * 0.067)} #{rgba($black, ($box-shadow-opacity * 0.4))},
+    #{($box-shadow-elevation * 0.5 * 0.125)} #{($box-shadow-elevation * 0.125)} #{($box-shadow-blur-strengh * 0.125)} #{rgba($black, ($box-shadow-opacity * 0.5))},
+    #{($box-shadow-elevation * 0.5 * 0.225)} #{($box-shadow-elevation * 0.225)} #{($box-shadow-blur-strengh * 0.225)} #{rgba($black, ($box-shadow-opacity * 0.6))},
+    #{($box-shadow-elevation * 0.5 * 0.417)} #{($box-shadow-elevation * 0.417)} #{($box-shadow-blur-strengh * 0.417)} #{rgba($black, ($box-shadow-opacity * 0.717))},
+    #{($box-shadow-elevation * 0.5)} #{$box-shadow-elevation} #{$box-shadow-blur-strengh} #{rgba($black, $box-shadow-opacity)},
+    0 0 0 0.0625rem #{rgba($black, ($box-shadow-opacity * 0.25) )};
+  --card-sectionning-background-color: #{mix($black, $grey-900, 12.5%)};
+
+  // Dropdown (<details role="list">)
+  --dropdown-background-color: #{$grey-900};
+  --dropdown-border-color: #{mix($grey-900, $grey-800)};
+  --dropdown-box-shadow: var(--card-box-shadow);
+  --dropdown-color: var(--color);
+  --dropdown-hover-background-color: #{rgba(mix($grey-900, $grey-800), 0.75)};
+
+  // Modal (<dialog>)
+  --modal-overlay-background-color: #{rgba(mix($grey-900, $grey-800), 0.8)};
+
+  // Progress
+  --progress-background-color: #{mix($grey-900, $grey-800)};
+  --progress-color: var(--primary);
+
+  // Loading ([aria-busy=true])
+  --loading-spinner-opacity: 0.5;
+
+  // Tooltip ([data-tooltip])
+  --tooltip-background-color: var(--contrast);
+  --tooltip-color: var(--contrast-inverse);
+
+  // Icons
+  --icon-checkbox: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($white)}' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-300)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-chevron-button: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($white)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-chevron-button-inverse: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($black)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-close: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-500)}' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'%3E%3C/line%3E%3Cline x1='6' y1='6' x2='18' y2='18'%3E%3C/line%3E%3C/svg%3E");
+  --icon-date: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-300)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
+  --icon-invalid: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($red-900)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='8' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'%3E%3C/line%3E%3C/svg%3E");
+  --icon-minus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($white)}' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'%3E%3C/line%3E%3C/svg%3E");
+  --icon-search: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-300)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
+  --icon-time: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-300)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cpolyline points='12 6 12 12 16 14'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-valid: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($green-800)}' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
+  
+  // Document
+  color-scheme: dark;
+}
diff --git a/app/assets/stylesheets/themes/default/_light.scss b/app/assets/stylesheets/themes/default/_light.scss
new file mode 100644
index 0000000..237fb8f
--- /dev/null
+++ b/app/assets/stylesheets/themes/default/_light.scss
@@ -0,0 +1,159 @@
+@import "../../functions";
+
+// Default: Light theme
+[data-theme="light"],
+:root:not([data-theme="dark"]) {
+  --background-color: #{$white};
+
+  // Texts colors
+  --color: #{$grey-700};
+  --h1-color: #{$grey-900};
+  --h2-color: #{mix($grey-900, $grey-800)};
+  --h3-color: #{$grey-800};
+  --h4-color: #{mix($grey-800, $grey-700)};
+  --h5-color: #{$grey-700};
+  --h6-color: #{mix($grey-700, $grey-600)};
+
+  // Muted colors
+  --muted-color: #{$grey-500};
+  --muted-border-color: #{$grey-50};
+
+  // Primary colors
+  --primary: #{$primary-600};
+  --primary-hover: #{$primary-700};
+  --primary-focus: #{rgba($primary-600, 0.125)};
+  --primary-inverse: #{$white};
+
+  // Secondary colors
+  --secondary: #{$grey-600};
+  --secondary-hover: #{$grey-700};
+  --secondary-focus: #{rgba($grey-600, 0.125)};
+  --secondary-inverse: #{$white};
+
+  // Contrast colors
+  --contrast: #{$grey-900};
+  --contrast-hover: #{$black};
+  --contrast-focus: #{rgba($grey-600, 0.125)};
+  --contrast-inverse: #{$white};
+
+  // Highlighted text (<mark>)
+  --mark-background-color: #{mix($amber-100, $amber-50)};
+  --mark-color: #{mix($grey-900, $amber-900, 75%)};
+
+  // Inserted (<ins>) & Deleted (<ins>)
+  --ins-color: #{$green-700};
+  --del-color: #{$red-800};
+
+  // Blockquote
+  --blockquote-border-color: var(--muted-border-color);
+  --blockquote-footer-color: var(--muted-color);
+
+  // Button
+  // To disable box-shadow, remove the var or set to '0 0 0 rgba(0, 0, 0, 0)'
+  // Don't use, 'none, 'false, 'null', '0', etc.
+  --button-box-shadow: 0 0 0 rgba(0, 0, 0, 0);
+  --button-hover-box-shadow: 0 0 0 rgba(0, 0, 0, 0);
+
+  // Form elements
+  --form-element-background-color: transparent;
+  --form-element-border-color: #{$grey-300};
+  --form-element-color: var(--color);
+  --form-element-placeholder-color: var(--muted-color);
+  --form-element-active-background-color: transparent;
+  --form-element-active-border-color: var(--primary);
+  --form-element-focus-color: var(--primary-focus);
+  --form-element-disabled-background-color: #{$grey-100};
+  --form-element-disabled-border-color: #{$grey-300};
+  --form-element-disabled-opacity: 0.5;
+  --form-element-invalid-border-color: #{$red-800};
+  --form-element-invalid-active-border-color: #{$red-700};
+  --form-element-invalid-focus-color: #{rgba($red-700, 0.125)};
+  --form-element-valid-border-color: #{$green-700};
+  --form-element-valid-active-border-color: #{$green-600};
+  --form-element-valid-focus-color: #{rgba($green-600, 0.125)};
+
+  // Switch (input[type="checkbox"][role="switch"])
+  --switch-background-color: #{$grey-200};
+  --switch-color: var(--primary-inverse);
+  --switch-checked-background-color: var(--primary);
+
+  // Range (input[type="range"])
+  --range-border-color: #{$grey-100};
+  --range-active-border-color: #{$grey-200};
+  --range-thumb-border-color: var(--background-color);
+  --range-thumb-color: var(--secondary);
+  --range-thumb-hover-color: var(--secondary-hover);
+  --range-thumb-active-color: var(--primary);
+
+  // Table
+  --table-border-color: var(--muted-border-color);
+  --table-row-stripped-background-color: #{mix($grey-50, $white)};
+
+  // Code
+  --code-background-color: #{$grey-50};
+  --code-color: var(--muted-color);
+  --code-kbd-background-color: var(--contrast);
+  --code-kbd-color: var(--contrast-inverse);
+  --code-tag-color: #{hsl(330, 40%, 50%)};
+  --code-property-color: #{hsl(185, 40%, 40%)};
+  --code-value-color: #{hsl(40, 20%, 50%)};
+  --code-comment-color: #{$grey-300};
+
+  // Accordion (<details>)
+  --accordion-border-color: var(--muted-border-color);
+  --accordion-close-summary-color: var(--color);
+  --accordion-open-summary-color: var(--muted-color);
+
+  // Card (<article>)
+  $box-shadow-elevation: 1rem;
+  $box-shadow-blur-strengh: 6rem;
+  $box-shadow-opacity: 0.06;
+  --card-background-color: var(--background-color);
+  --card-border-color: var(--muted-border-color);
+  --card-box-shadow:
+    #{($box-shadow-elevation * 0.5 * 0.029)} #{($box-shadow-elevation * 0.029)} #{($box-shadow-blur-strengh * 0.029)} #{rgba($grey-900, ($box-shadow-opacity * 0.283))},
+    #{($box-shadow-elevation * 0.5 * 0.067)} #{($box-shadow-elevation * 0.067)} #{($box-shadow-blur-strengh * 0.067)} #{rgba($grey-900, ($box-shadow-opacity * 0.4))},
+    #{($box-shadow-elevation * 0.5 * 0.125)} #{($box-shadow-elevation * 0.125)} #{($box-shadow-blur-strengh * 0.125)} #{rgba($grey-900, ($box-shadow-opacity * 0.5))},
+    #{($box-shadow-elevation * 0.5 * 0.225)} #{($box-shadow-elevation * 0.225)} #{($box-shadow-blur-strengh * 0.225)} #{rgba($grey-900, ($box-shadow-opacity * 0.6))},
+    #{($box-shadow-elevation * 0.5 * 0.417)} #{($box-shadow-elevation * 0.417)} #{($box-shadow-blur-strengh * 0.417)} #{rgba($grey-900, ($box-shadow-opacity * 0.717))},
+    #{($box-shadow-elevation * 0.5)} #{$box-shadow-elevation} #{$box-shadow-blur-strengh} #{rgba($grey-900, $box-shadow-opacity)},
+    0 0 0 0.0625rem #{rgba($grey-900, ($box-shadow-opacity * 0.25) )};
+  --card-sectionning-background-color: #{mix($grey-50, $white, 25%)};
+
+  // Dropdown (<details role="list">)
+  --dropdown-background-color: #{mix($grey-50, $white, 25%)};
+  --dropdown-border-color: #{mix($grey-100, $grey-50)};
+  --dropdown-box-shadow: var(--card-box-shadow);
+  --dropdown-color: var(--color);
+  --dropdown-hover-background-color: #{$grey-50};
+
+  // Modal (<dialog>)
+  --modal-overlay-background-color: #{rgba($grey-100, 0.7)};
+
+  // Progress
+  --progress-background-color: #{$grey-100};
+  --progress-color: var(--primary);
+
+  // Loading ([aria-busy=true])
+  --loading-spinner-opacity: 0.5;
+
+  // Tooltip ([data-tooltip])
+  --tooltip-background-color: var(--contrast);
+  --tooltip-color: var(--contrast-inverse);
+
+  // Icons
+  --icon-checkbox: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($white)}' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-700)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-chevron-button: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($white)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-chevron-button-inverse: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($white)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
+  --icon-close: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-500)}' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'%3E%3C/line%3E%3Cline x1='6' y1='6' x2='18' y2='18'%3E%3C/line%3E%3C/svg%3E");
+  --icon-date: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-700)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
+  --icon-invalid: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($red-800)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='8' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'%3E%3C/line%3E%3C/svg%3E");
+  --icon-minus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($white)}' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='5' y1='12' x2='19' y2='12'%3E%3C/line%3E%3C/svg%3E");
+  --icon-search: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-700)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E");
+  --icon-time: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($grey-700)}' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cpolyline points='12 6 12 12 16 14'%3E%3C/polyline%3E%3C/svg%3E"); 
+  --icon-valid: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='#{to-rgb($green-700)}' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
+  
+  // Document
+  color-scheme: light;
+}
diff --git a/app/assets/stylesheets/themes/default/_styles.scss b/app/assets/stylesheets/themes/default/_styles.scss
new file mode 100644
index 0000000..3a0a46d
--- /dev/null
+++ b/app/assets/stylesheets/themes/default/_styles.scss
@@ -0,0 +1,247 @@
+// Commons Styles
+:root {
+  // Typography
+  --font-family: system-ui, -apple-system, "Segoe UI", "Roboto", "Ubuntu",
+    "Cantarell", "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
+    "Segoe UI Symbol", "Noto Color Emoji";
+  --line-height: 1.5;
+  --font-weight: 400;
+  --font-size: 16px;
+
+  // Responsive typography
+  @if $enable-responsive-typography {
+    @if map-get($breakpoints, "sm") {
+      @media (min-width: map-get($breakpoints, "sm")) {
+        --font-size: 17px;
+      }
+    }
+
+    @if map-get($breakpoints, "md") {
+      @media (min-width: map-get($breakpoints, "md")) {
+        --font-size: 18px;
+      }
+    }
+
+    @if map-get($breakpoints, "lg") {
+      @media (min-width: map-get($breakpoints, "lg")) {
+        --font-size: 19px;
+      }
+    }
+
+    @if map-get($breakpoints, "xl") {
+      @media (min-width: map-get($breakpoints, "xl")) {
+        --font-size: 20px;
+      }
+    }
+  }
+
+  // Borders
+  --border-radius: 0.25rem;
+  --border-width: 1px;
+  --outline-width: 3px;
+
+  // Spacings
+  --spacing: 1rem;
+
+  // Spacings for typography elements
+  --typography-spacing-vertical: 1.5rem;
+
+  // Spacings for body > header, body > main, body > footer, section, article
+  --block-spacing-vertical: calc(var(--spacing) * 2);
+  --block-spacing-horizontal: var(--spacing);
+
+  @if ($enable-classes and $enable-grid) {
+    --grid-spacing-vertical: 0;
+    --grid-spacing-horizontal: var(--spacing);
+  }
+
+  // Spacings for form elements and button
+  --form-element-spacing-vertical: 0.75rem;
+  --form-element-spacing-horizontal: 1rem;
+
+  // Spacings for nav component
+  --nav-element-spacing-vertical: 1rem;
+  --nav-element-spacing-horizontal: 0.5rem;
+  --nav-link-spacing-vertical: 0.5rem;
+  --nav-link-spacing-horizontal: 0.5rem;
+
+  // Font weight for form labels & fieldsets legend
+  --form-label-font-weight: var(--font-weight);
+
+  // Transitions
+  --transition: 0.2s ease-in-out;
+
+  // Modal (<dialog>)
+  --modal-overlay-backdrop-filter: blur(0.25rem);
+}
+
+// Responsives spacings
+@if $enable-responsive-spacings {
+  // Sectioning
+  #{$semantic-root-element} > header,
+  #{$semantic-root-element} > main,
+  #{$semantic-root-element} > footer,
+  section {
+    @if map-get($breakpoints, "sm") {
+      @media (min-width: map-get($breakpoints, "sm")) {
+        --block-spacing-vertical: calc(var(--spacing) * 2.5);
+      }
+    }
+
+    @if map-get($breakpoints, "md") {
+      @media (min-width: map-get($breakpoints, "md")) {
+        --block-spacing-vertical: calc(var(--spacing) * 3);
+      }
+    }
+
+    @if map-get($breakpoints, "lg") {
+      @media (min-width: map-get($breakpoints, "lg")) {
+        --block-spacing-vertical: calc(var(--spacing) * 3.5);
+      }
+    }
+
+    @if map-get($breakpoints, "xl") {
+      @media (min-width: map-get($breakpoints, "xl")) {
+        --block-spacing-vertical: calc(var(--spacing) * 4);
+      }
+    }
+  }
+
+  // Card (<article>)
+  article {
+    @if map-get($breakpoints, "sm") {
+      @media (min-width: map-get($breakpoints, "sm")) {
+        --block-spacing-horizontal: calc(var(--spacing) * 1.25);
+      }
+    }
+
+    @if map-get($breakpoints, "md") {
+      @media (min-width: map-get($breakpoints, "md")) {
+        --block-spacing-horizontal: calc(var(--spacing) * 1.5);
+      }
+    }
+
+    @if map-get($breakpoints, "lg") {
+      @media (min-width: map-get($breakpoints, "lg")) {
+        --block-spacing-horizontal: calc(var(--spacing) * 1.75);
+      }
+    }
+
+    @if map-get($breakpoints, "xl") {
+      @media (min-width: map-get($breakpoints, "xl")) {
+        --block-spacing-horizontal: calc(var(--spacing) * 2);
+      }
+    }
+  }
+
+  // Modal
+  dialog > article {
+
+    --block-spacing-vertical: calc(var(--spacing) * 2);
+    --block-spacing-horizontal: var(--spacing);
+
+    @if map-get($breakpoints, "sm") {
+      @media (min-width: map-get($breakpoints, "sm")) {
+        --block-spacing-vertical: calc(var(--spacing) * 2.5);
+        --block-spacing-horizontal: calc(var(--spacing) * 1.25);
+      }
+    }
+
+    @if map-get($breakpoints, "md") {
+      @media (min-width: map-get($breakpoints, "md")) {
+        --block-spacing-vertical: calc(var(--spacing) * 3);
+        --block-spacing-horizontal: calc(var(--spacing) * 1.5);
+      }
+    }
+  }
+}
+
+// Link
+a {
+  --text-decoration: none;
+
+  // Secondary & Contrast
+  @if $enable-classes {
+    &.secondary,
+    &.contrast {
+      --text-decoration: underline;
+    }
+  }
+}
+
+// Small
+small {
+  --font-size: 0.875em;
+}
+
+// Headings
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  --font-weight: 700;
+}
+
+h1 {
+  --font-size: 2rem;
+  --typography-spacing-vertical: 3rem;
+}
+
+h2 {
+  --font-size: 1.75rem;
+  --typography-spacing-vertical: 2.625rem;
+}
+
+h3 {
+  --font-size: 1.5rem;
+  --typography-spacing-vertical: 2.25rem;
+}
+
+h4 {
+  --font-size: 1.25rem;
+  --typography-spacing-vertical: 1.874rem;
+}
+
+h5 {
+  --font-size: 1.125rem;
+  --typography-spacing-vertical: 1.6875rem;
+}
+
+// Forms elements
+[type="checkbox"],
+[type="radio"] {
+  --border-width: 2px;
+}
+
+[type="checkbox"][role="switch"] {
+  --border-width: 3px;
+}
+
+// Table
+thead,
+tfoot {
+  th,
+  td {
+    --border-width: 3px;
+  }
+}
+
+:not(thead, tfoot) > * > td {
+  --font-size: 0.875em;
+}
+
+// Code
+pre,
+code,
+kbd,
+samp {
+  --font-family: "Menlo", "Consolas", "Roboto Mono", "Ubuntu Monospace",
+    "Noto Mono", "Oxygen Mono", "Liberation Mono", monospace,
+    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
+}
+
+kbd {
+  --font-weight: bolder;
+}
diff --git a/app/assets/stylesheets/utilities/_accessibility.scss b/app/assets/stylesheets/utilities/_accessibility.scss
new file mode 100644
index 0000000..e97ed7e
--- /dev/null
+++ b/app/assets/stylesheets/utilities/_accessibility.scss
@@ -0,0 +1,52 @@
+/**
+ * Accessibility & User interaction
+ */
+
+// Based on :
+// - normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css
+// - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+// ––––––––––––––––––––
+
+// Accessibility
+
+// Change the cursor on control elements in all browsers (opinionated)
+[aria-controls] {
+  cursor: pointer;
+}
+
+// Change the cursor on disabled, not-editable, or otherwise inoperable elements in all browsers (opinionated)
+[aria-disabled="true"],
+[disabled] {
+  cursor: not-allowed;
+}
+
+// Change the display on visually hidden accessible elements in all browsers (opinionated)
+[aria-hidden="false"][hidden] {
+  display: initial;
+}
+
+[aria-hidden="false"][hidden]:not(:focus) {
+  clip: rect(0, 0, 0, 0);
+  position: absolute;
+}
+
+// User interaction
+// Remove the tapping delay in IE 10
+a,
+area,
+button,
+input,
+label,
+select,
+summary,
+textarea,
+[tabindex] {
+  -ms-touch-action: manipulation;
+}
+
+// Pico
+// ––––––––––––––––––––
+
+[dir="rtl"] {
+  direction: rtl;
+}
diff --git a/app/assets/stylesheets/utilities/_loading.scss b/app/assets/stylesheets/utilities/_loading.scss
new file mode 100644
index 0000000..c6f3afe
--- /dev/null
+++ b/app/assets/stylesheets/utilities/_loading.scss
@@ -0,0 +1,58 @@
+/**
+ * Loading ([aria-busy=true])
+ */
+
+
+// Cursor
+[aria-busy="true"] {
+  cursor: progress;
+}
+
+// Everyting except form elements
+[aria-busy="true"]:not(input, select, textarea, html) {
+
+  &::before {
+    display: inline-block;
+    width: 1em;
+    height: 1em;
+    border: 0.1875em solid currentColor;
+    border-radius: 1em;
+    border-right-color: transparent;
+    content: "";
+    vertical-align: text-bottom;
+    vertical-align: -.125em; // Visual alignment
+    animation: spinner 0.75s linear infinite;
+    opacity: var(--loading-spinner-opacity);
+  }
+
+  &:not(:empty) {
+    &::before {
+      margin-right: calc(var(--spacing) * 0.5);
+      margin-left: 0;
+      margin-inline-start: 0;
+      margin-inline-end: calc(var(--spacing) * 0.5);
+    }
+  }
+
+  &:empty {
+    text-align: center;
+  }
+}
+
+// Buttons and links
+button,
+input[type="submit"],
+input[type="button"],
+input[type="reset"],
+a {
+  &[aria-busy="true"] {
+    pointer-events: none;
+  }
+}
+
+// Animation: rotate
+@keyframes spinner {
+  to {
+    transform: rotate(360deg);
+  }
+}
diff --git a/app/assets/stylesheets/utilities/_reduce-motion.scss b/app/assets/stylesheets/utilities/_reduce-motion.scss
new file mode 100644
index 0000000..ecfd6fd
--- /dev/null
+++ b/app/assets/stylesheets/utilities/_reduce-motion.scss
@@ -0,0 +1,27 @@
+@if $enable-transitions and $enable-important {
+  /**
+ * Reduce Motion Features
+ */
+
+  // Based on :
+  // - sanitize.css v13.0.0 | CC0 1.0 Universal | github.com/csstools/sanitize.css
+  // ––––––––––––––––––––
+
+  // 1. Remove animations when motion is reduced (opinionated)
+  // 2. Remove fixed background attachments when motion is reduced (opinionated)
+  // 3. Remove timed scrolling behaviors when motion is reduced (opinionated)
+  // 4. Remove transitions when motion is reduced (opinionated)
+  @media (prefers-reduced-motion: reduce) {
+    *:not([aria-busy="true"]),
+    :not([aria-busy="true"])::before,
+    :not([aria-busy="true"])::after {
+      background-attachment: initial !important; // 2
+      animation-duration: 1ms !important; // 1
+      animation-delay: -1ms !important; // 1
+      animation-iteration-count: 1 !important; // 1
+      scroll-behavior: auto !important; // 3
+      transition-delay: 0s !important; // 4
+      transition-duration: 0s !important; // 4
+    }
+  }
+}
diff --git a/app/assets/stylesheets/utilities/_tooltip.scss b/app/assets/stylesheets/utilities/_tooltip.scss
new file mode 100644
index 0000000..d0355a3
--- /dev/null
+++ b/app/assets/stylesheets/utilities/_tooltip.scss
@@ -0,0 +1,278 @@
+/**
+ * Tooltip ([data-tooltip])
+ */
+
+[data-tooltip] {
+  position: relative;
+
+  &:not(a, button, input) {
+    border-bottom: 1px dotted;
+    text-decoration: none;
+    cursor: help;
+  }
+
+  &[data-placement="top"]::before,
+  &[data-placement="top"]::after,
+  &::before,
+  &::after {
+    display: block;
+    z-index: 99;
+    position: absolute;
+    bottom: 100%;
+    left: 50%;
+    padding: .25rem .5rem;
+    overflow: hidden;
+    transform: translate(-50%, -.25rem);
+    border-radius: var(--border-radius);
+    background: var(--tooltip-background-color);
+    content: attr(data-tooltip);
+    color: var(--tooltip-color);
+    font-style: normal;
+    font-weight: var(--font-weight);
+    font-size: .875rem;
+    text-decoration: none;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    opacity: 0;
+    pointer-events: none;
+  }
+  
+  // Caret
+  &[data-placement="top"]::after,
+  &::after {
+    padding: 0;
+    transform: translate(-50%, 0rem);
+    border-top: .3rem solid;
+    border-right: .3rem solid transparent;
+    border-left: .3rem solid transparent;
+    border-radius: 0;
+    background-color: transparent;
+    content: "";
+    color: var(--tooltip-background-color);
+  }
+
+  &[data-placement="bottom"] {
+    &::before,
+    &::after {
+      top: 100%;
+      bottom: auto;
+      transform: translate(-50%, .25rem);
+    }
+    
+    &:after{
+      transform: translate(-50%, -.3rem);
+      border: .3rem solid transparent;
+      border-bottom: .3rem solid;
+    }
+  }
+
+  &[data-placement="left"] {
+    &::before,
+    &::after {
+      top: 50%;
+      right: 100%;
+      bottom: auto;
+      left: auto;
+      transform: translate(-.25rem, -50%);
+    }
+    
+    &:after{
+      transform: translate(.3rem, -50%);
+      border: .3rem solid transparent;
+      border-left: .3rem solid;
+    }
+  }
+
+  &[data-placement="right"] {
+    &::before,
+    &::after {
+      top: 50%;
+      right: auto;
+      bottom: auto;
+      left: 100%;
+      transform: translate(.25rem, -50%);
+    }
+    
+    &:after{
+      transform: translate(-.3rem, -50%);
+      border: .3rem solid transparent;
+      border-right: .3rem solid;
+    }
+  }
+
+  // Display
+  &:focus,
+  &:hover {
+    &::before,
+    &::after {
+      opacity: 1;
+    }
+  }
+
+  
+  @if $enable-transitions {
+
+    // Animations, excluding touch devices
+    @media (hover: hover) and (pointer: fine) {
+      &[data-placement="bottom"]:focus,
+      &[data-placement="bottom"]:hover
+      &:focus,
+      &:hover {
+        &::before,
+        &::after {
+          animation-duration: .2s;
+          animation-name: tooltip-slide-top;
+        }
+
+        &::after {
+          animation-name: tooltip-caret-slide-top; 
+        }
+      }
+      
+      &[data-placement="bottom"] {
+        &:focus,
+        &:hover {
+          &::before,
+          &::after {
+            animation-duration: .2s;
+            animation-name: tooltip-slide-bottom;
+          }
+  
+          &::after {
+            animation-name: tooltip-caret-slide-bottom; 
+          }
+        }
+      }
+      
+      &[data-placement="left"] {
+        &:focus,
+        &:hover {
+          &::before,
+          &::after {
+            animation-duration: .2s;
+            animation-name: tooltip-slide-left;
+          }
+  
+          &::after {
+            animation-name: tooltip-caret-slide-left; 
+          }
+        }
+      }
+      
+      &[data-placement="right"] {
+        &:focus,
+        &:hover {
+          &::before,
+          &::after {
+            animation-duration: .2s;
+            animation-name: tooltip-slide-right;
+          }
+  
+          &::after {
+            animation-name: tooltip-caret-slide-right; 
+          }
+        }
+      }
+    }
+
+    @keyframes tooltip-slide-top {
+      from {
+        transform: translate(-50%, .75rem);
+        opacity: 0;
+      }
+      to {
+        transform: translate(-50%, -.25rem);
+        opacity: 1;
+      }
+    }
+    
+    @keyframes tooltip-caret-slide-top {
+      from {
+        opacity: 0;
+      }
+      50% {
+        transform: translate(-50%, -.25rem);
+        opacity: 0;
+      }
+      to {
+        transform: translate(-50%, 0rem);
+        opacity: 1;
+      }
+    }
+  
+    @keyframes tooltip-slide-bottom {
+      from {
+        transform: translate(-50%, -.75rem);
+        opacity: 0;
+      }
+      to {
+        transform: translate(-50%, .25rem);
+        opacity: 1;
+      }
+    }
+    
+    @keyframes tooltip-caret-slide-bottom {
+      from {
+        opacity: 0;
+      }
+      50% {
+        transform: translate(-50%, -.5rem);
+        opacity: 0;
+      }
+      to {
+        transform: translate(-50%, -.3rem);
+        opacity: 1;
+      }
+    }
+  
+    @keyframes tooltip-slide-left {
+      from {
+        transform: translate(.75rem, -50%);
+        opacity: 0;
+      }
+      to {
+        transform: translate(-.25rem, -50%);
+        opacity: 1;
+      }
+    }
+    
+    @keyframes tooltip-caret-slide-left {
+      from {
+        opacity: 0;
+      }
+      50% {
+        transform: translate(.05rem, -50%);
+        opacity: 0;
+      }
+      to {
+        transform: translate(.3rem, -50%);
+        opacity: 1;
+      }
+    }
+  
+    @keyframes tooltip-slide-right {
+      from {
+        transform: translate(-.75rem, -50%);
+        opacity: 0;
+      }
+      to {
+        transform: translate(.25rem, -50%);
+        opacity: 1;
+      }
+    }
+    
+    @keyframes tooltip-caret-slide-right {
+      from {
+        opacity: 0;
+      }
+      50% {
+        transform: translate(-.05rem, -50%);
+        opacity: 0;
+      }
+      to {
+        transform: translate(-.3rem, -50%);
+        opacity: 1;
+      }
+    }
+  }
+}
-- 
cgit v1.2.3