feat: add focus-visible rings and refactor accordion chevron

Add global :focus-visible outline style and migrate form components
from :focus box-shadow to :focus-visible outline. Refactor accordion
chevron from CSS ::after pseudo-element to explicit span element.

src/ui/accordion.cljc

@@ -26,7 +26,9 @@
            base-attrs (cond-> (merge {:class classes} attrs)
                         open (assoc :open true))]
        [:details base-attrs
-        [:summary {:class "accordion-trigger"} title]
+        [:summary {:class "accordion-trigger"}
+         [:span {:class "accordion-trigger-text"} title]
+         [:span {:class "accordion-chevron" :aria-hidden "true"}]]
         (into [:div {:class "accordion-content"}] children)])
 
      :cljs
@@ -35,7 +37,9 @@
            base-attrs (cond-> (merge {:class classes} attrs)
                         open (assoc :open true))]
        [:details base-attrs
-        [:summary {:class ["accordion-trigger"]} title]
+        [:summary {:class ["accordion-trigger"]}
+         [:span {:class ["accordion-trigger-text"]} title]
+         [:span {:class ["accordion-chevron"] :aria-hidden "true"}]]
         (into [:div {:class ["accordion-content"]}] children)])
 
      :clj
@@ -44,5 +48,7 @@
            base-attrs (cond-> (merge {:class classes} attrs)
                         open (assoc :open true))]
        [:details base-attrs
-        [:summary {:class "accordion-trigger"} title]
+        [:summary {:class "accordion-trigger"}
+         [:span {:class "accordion-trigger-text"} title]
+         [:span {:class "accordion-chevron" :aria-hidden "true"}]]
         (into [:div {:class "accordion-content"}] children)])))

src/ui/accordion.css

@@ -9,6 +9,10 @@
   overflow: hidden;
 }
 
+.accordion-trigger:focus-visible {
+  outline-offset: -2px;
+}
+
 .accordion + .accordion {
   margin-top: -1px;
   border-top-left-radius: 0;
@@ -25,7 +29,6 @@
   align-items: center;
   justify-content: space-between;
   gap: var(--size-2);
-  width: 100%;
   padding: var(--size-4);
   font-weight: 500;
   font-size: inherit;
@@ -50,15 +53,20 @@
   background: var(--bg-1);
 }
 
-.accordion-trigger::after {
-  content: "";
+.accordion-trigger-text {
+  flex: 1;
+  text-align: left;
+}
+
+.accordion-chevron {
+  display: block;
   width: 1em;
   height: 1em;
   flex-shrink: 0;
-  background-color: currentColor;
-  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
-  mask-size: contain;
-  mask-repeat: no-repeat;
+  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
+  background-size: contain;
+  background-repeat: no-repeat;
+  background-position: center;
   transition: transform 150ms ease;
 }
 
@@ -66,7 +74,7 @@
   border-bottom: var(--border-0);
 }
 
-.accordion[open] > .accordion-trigger::after {
+.accordion[open] > .accordion-trigger .accordion-chevron {
   transform: rotate(180deg);
 }
 

src/ui/css/gen.clj

@@ -63,6 +63,17 @@
   margin: 0;
   background: var(--bg-0);
   color: var(--fg-0);
+}
+
+:focus-visible {
+  outline: 2px solid var(--accent);
+  outline-offset: 2px;
+  box-shadow: none;
+}
+
+:focus:not(:focus-visible) {
+  outline: none;
+  box-shadow: none;
 }")
 
 (defn collect-component-css

src/ui/form.css

@@ -23,10 +23,10 @@
   border-color: var(--danger);
 }
 
-.form-field--error .form-input:focus,
-.form-field--error .form-textarea:focus,
-.form-field--error .form-select:focus {
-  box-shadow: 0 0 0 2px color-mix(in srgb, var(--danger) 20%, transparent);
+.form-field--error .form-input:focus-visible,
+.form-field--error .form-textarea:focus-visible,
+.form-field--error .form-select:focus-visible {
+  outline-color: var(--danger);
 }
 
 /* ── Label ─────────────────────────────────────────────────────── */
@@ -60,12 +60,11 @@
   color: var(--fg-2);
 }
 
-.form-input:focus,
-.form-textarea:focus,
-.form-select:focus {
-  outline: none;
+.form-input:focus-visible,
+.form-textarea:focus-visible,
+.form-select:focus-visible {
   border-color: var(--accent);
-  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent);
+  outline-offset: -1px;
 }
 
 .form-input:disabled,
@@ -81,9 +80,9 @@
   border-color: var(--danger);
 }
 
-.form-input--error:focus,
-.form-textarea--error:focus {
-  box-shadow: 0 0 0 2px color-mix(in srgb, var(--danger) 20%, transparent);
+.form-input--error:focus-visible,
+.form-textarea--error:focus-visible {
+  outline-color: var(--danger);
 }
 
 /* ── Textarea ──────────────────────────────────────────────────── */
@@ -148,10 +147,9 @@
   background-repeat: no-repeat;
 }
 
-.form-checkbox:focus,
-.form-radio:focus {
-  outline: none;
-  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent);
+.form-checkbox:focus-visible,
+.form-radio:focus-visible {
+  outline-offset: 0;
 }
 
 .form-checkbox:disabled,