diff --git a/bun.lock b/bun.lock
index 1f27b58f..6c84c3be 100644
--- a/bun.lock
+++ b/bun.lock
@@ -688,7 +688,7 @@
     },
     "packages/ui": {
       "name": "@wrnexus/ui",
-      "version": "0.8.56",
+      "version": "0.8.57",
       "dependencies": {
         "@wrnexus/core": "workspace:*",
       },
diff --git a/packages/ui/COMPONENTS.md b/packages/ui/COMPONENTS.md
index b82607da..4f65681d 100644
--- a/packages/ui/COMPONENTS.md
+++ b/packages/ui/COMPONENTS.md
@@ -119,7 +119,7 @@ Theme-aware, responsive badge component.
 Theme-aware, responsive blockquote component.
 
 - Mount: `data-component="Blockquote"`
-- Props: `quote: string = "I just wanted to say that I'm very happy with my purchase so far. The documentation is outstanding - clear and detailed."`, `citation: string = ""`, `citationTitle: string = ""`, `citationUrl: string = ""`, `avatarSrc: string = ""`, `avatarAlt: string = ""`, `size: string = "md"`, `color: string = "primary"`, `align: string = "left"`, `variant: string = "default"`, `quoteMark: boolean = true`, `italic: boolean = true`, `class: string = ""`
+- Props: `quote: string = "I just wanted to say that I'm very happy with my purchase so far. The documentation is outstanding - clear and detailed."`, `citation: string = ""`, `citationTitle: string = ""`, `citationUrl: string = ""`, `avatarSrc: string = ""`, `avatarAlt: string = ""`, `size: string = "md"`, `color: string = "primary"`, `align: string = "left"`, `variant: string = "default"`, `quoteMark: boolean = true`, `italic: boolean = true`, `maxWidth: string = "xl"`, `class: string = ""`
 - Slots: `default`
 - Outputs: None
 
@@ -290,7 +290,7 @@ Theme-aware, responsive styled icon component.
 Present responsive chronological activity, milestones, or workflow status with rich item metadata.
 
 - Mount: `data-component="Timeline"`
-- Props: `size: string = "default"`, `color: string = "primary"`, `title: string = "Timeline"`, `description: string = ""`, `items: unknown[] = []`, `variant: string = "default"`, `class: string = ""`
+- Props: `size: string = "default"`, `color: string = "primary"`, `title: string = "Timeline"`, `description: string = ""`, `items: unknown[] = []`, `variant: string = "default"`, `numbered: boolean = false`, `class: string = ""`
 - Slots: `default`
 - Outputs: `select({ sourceEvent?: Event; [key: string]: string | number | boolean | null | object })`
 
@@ -827,7 +827,7 @@ Theme-aware, responsive navbar component.
 
 - Mount: `data-component="Navbar"`
 - Props: `size: string = "default"`, `color: string = "primary"`, `label: string = "Primary navigation"`, `topbarLabel: string = "Utility navigation"`, `brand: Record<string, unknown> = {}`, `items: unknown[] = []`, `actions: unknown[] = []`, `active: string = ""`, `sticky: boolean = false`, `floating: boolean = false`, `startFloating: string = "0px"`, `openOnHover: boolean = false`, `maxWidth: string = "full"`, `mobileLabel: string = "Toggle navigation"`, `collapseAt: string = "900px"`, `mobilePanel: string = "content"`, `mobileUtilitiesPosition: string = "header"`, `gutter: string = "md"`, `contentGutter: string = "md"`, `flushMobile: boolean = false`, `translationPrefix: string = ""`, `class: string = ""`
-- Slots: `topbar`, `actions`, `utilities`
+- Slots: `topbar`, `brand`, `actions`, `utilities`
 - Outputs: `toggle({ open: boolean })`, `open({ sourceEvent?: Event; [key: string]: string | number | boolean | null | object })`, `close({ sourceEvent?: Event; [key: string]: string | number | boolean | null | object })`, `select({ item: string | number | boolean | null | object; value: string | number | boolean; level: string })`, `action({ item: string | number | boolean | null | object; value: string | number | boolean })`
 
 ### Pagination
@@ -853,7 +853,7 @@ Theme-aware, responsive scrollspy component.
 Theme-aware, responsive sidebar component.
 
 - Mount: `data-component="Sidebar"`
-- Props: `color: string = "primary"`, `size: string = "default"`, `label: string = "Sidebar"`, `items: unknown[] = []`, `active: string = ""`, `mobileLabel: string = "Open navigation"`, `drawerTitle: string = "Navigation"`, `class: string = ""`
+- Props: `color: string = "primary"`, `size: string = "default"`, `label: string = "Sidebar"`, `items: unknown[] = []`, `active: string = ""`, `mobileLabel: string = "Open navigation"`, `drawerTitle: string = "Navigation"`, `mobile: boolean = true`, `drawerPlacement: string = "left"`, `class: string = ""`
 - Slots: `default`, `drawer`
 - Outputs: `toggle({ open: boolean })`, `open({ sourceEvent: Event })`, `close({ source: string })`, `select({ item: object; value: string; level: number })`
 
@@ -872,7 +872,7 @@ Switch between related responsive content panels with horizontal or vertical ori
 
 - Mount: `data-component="Tabs"`
 - Props: `color: string = "primary"`, `size: string = "default"`, `items: unknown[] = []`, `active: string = ""`, `orientation: string = "horizontal"`, `mode: string = "client"`, `param: string = "tab"`, `label: string = "Tabs"`, `class: string = ""`
-- Slots: `panel-{valueOf(item, index)}`, `default`
+- Slots: `default`
 - Outputs: `change({ value: string; item: object; index: number })`, `select({ value: string; item: object; index: number })`
 
 ## Overlays
@@ -900,7 +900,7 @@ Present responsive modal side or bottom content with focus management, backdrop
 Open an accessible anchored menu with keyboard navigation, item selection, actions, and responsive placement.
 
 - Mount: `data-component="Dropdown"`
-- Props: `items: unknown[] = []`, `open: boolean = false`, `defaultOpen: boolean = false`, `label: string = "Open menu"`, `icon: string = ""`, `showChevron: boolean = true`, `menuLabel: string = "Dropdown menu"`, `placement: string = "bottom-start"`, `width: string = "md"`, `size: string = "default"`, `color: string = "primary"`, `variant: string = "raised"`, `closeOnSelect: boolean = true`, `closeOnOutside: boolean = true`, `disabled: boolean = false`, `emptyLabel: string = "No menu items"`, `class: string = ""`
+- Props: `items: unknown[] = []`, `open: boolean = false`, `defaultOpen: boolean = false`, `label: string = "Open menu"`, `ariaLabel: string = ""`, `icon: string = ""`, `showChevron: boolean = true`, `menuLabel: string = "Dropdown menu"`, `placement: string = "bottom-start"`, `width: string = "md"`, `size: string = "default"`, `color: string = "primary"`, `variant: string = "raised"`, `closeOnSelect: boolean = true`, `closeOnOutside: boolean = true`, `disabled: boolean = false`, `emptyLabel: string = "No menu items"`, `class: string = ""`
 - Slots: `trigger`, `header`, `default`, `footer`
 - Outputs: `toggle({ open: boolean; sourceEvent: Event; reason?: object })`, `open({ sourceEvent: Event })`, `close({ reason: string; sourceEvent: Event })`, `select({ item: string | number | boolean | null | object; itemIndex: number; value: string | number | boolean; sourceEvent: Event })`, `action({ item: string | number | boolean | null | object; itemIndex: number; value: string | number | boolean; sourceEvent: Event })`
 
diff --git a/packages/ui/component-reference.json b/packages/ui/component-reference.json
index 50f01a16..bfba62ee 100644
--- a/packages/ui/component-reference.json
+++ b/packages/ui/component-reference.json
@@ -1751,6 +1751,13 @@
           "default": "true",
           "options": []
         },
+        {
+          "name": "maxWidth",
+          "type": "string",
+          "required": false,
+          "default": "\"xl\"",
+          "options": []
+        },
         {
           "name": "class",
           "type": "string",
@@ -1791,6 +1798,13 @@
           "default": "\"\"",
           "options": []
         },
+        {
+          "name": "activeIcon",
+          "type": "string",
+          "required": false,
+          "default": "\"icon-[lucide--file-text]\"",
+          "options": []
+        },
         {
           "name": "separator",
           "type": "string",
@@ -5461,6 +5475,13 @@
           "default": "\"Open menu\"",
           "options": []
         },
+        {
+          "name": "ariaLabel",
+          "type": "string",
+          "required": false,
+          "default": "\"\"",
+          "options": []
+        },
         {
           "name": "icon",
           "type": "string",
@@ -9282,7 +9303,7 @@
           "options": []
         }
       ],
-      "slots": ["topbar", "actions", "utilities"],
+      "slots": ["topbar", "brand", "actions", "utilities"],
       "outputs": [
         {
           "name": "toggle",
@@ -11528,6 +11549,20 @@
           "default": "\"Navigation\"",
           "options": []
         },
+        {
+          "name": "mobile",
+          "type": "boolean",
+          "required": false,
+          "default": "true",
+          "options": []
+        },
+        {
+          "name": "drawerPlacement",
+          "type": "string",
+          "required": false,
+          "default": "\"left\"",
+          "options": []
+        },
         {
           "name": "class",
           "type": "string",
@@ -12727,7 +12762,7 @@
           "options": []
         }
       ],
-      "slots": ["panel-{valueOf(item, index)}", "default"],
+      "slots": ["default"],
       "outputs": [
         {
           "name": "change",
@@ -13329,6 +13364,13 @@
           "default": "\"default\"",
           "options": []
         },
+        {
+          "name": "numbered",
+          "type": "boolean",
+          "required": false,
+          "default": "false",
+          "options": []
+        },
         {
           "name": "class",
           "type": "string",
diff --git a/packages/ui/components/Dropdown.wrn b/packages/ui/components/Dropdown.wrn
index a50a4127..4b099e97 100644
--- a/packages/ui/components/Dropdown.wrn
+++ b/packages/ui/components/Dropdown.wrn
@@ -12,6 +12,7 @@ items: unknown[] = []
     open: boolean = false
     defaultOpen: boolean = false
     label: string = "Open menu"
+    ariaLabel: string = ""
     icon: string = ""
     showChevron: boolean = true
     menuLabel: string = "Dropdown menu"
@@ -47,6 +48,11 @@ items: unknown[] = []
       visible = false
       output.close({ reason: reason, sourceEvent: sourceEvent })
       output.toggle({ open: false, reason: reason, sourceEvent: sourceEvent })
+      if (reason === "escape") {
+        const root = sourceEvent.currentTarget.closest(".wrn-dropdown") || sourceEvent.currentTarget
+        const trigger = root.querySelector(".wrn-dropdown__trigger")
+        if (trigger) { trigger.focus() }
+      }
     }
 
     client function toggleMenu(sourceEvent) {
@@ -65,14 +71,14 @@ items: unknown[] = []
       output.select({
         item: item,
         itemIndex: itemIndex,
-        value: item.value || "",
+        value: item.value == null ? "" : item.value,
         sourceEvent: sourceEvent
       })
       if (item.action) {
         output.action({
           item: item,
           itemIndex: itemIndex,
-          value: item.value || "",
+          value: item.value == null ? "" : item.value,
           sourceEvent: sourceEvent
         })
       }
@@ -83,18 +89,24 @@ items: unknown[] = []
 
     client function moveFocus(sourceEvent, direction) {
       const root = sourceEvent.currentTarget.closest(".wrn-dropdown") || sourceEvent.currentTarget
-      const options = [...root.querySelectorAll("[data-dropdown-item]:not([disabled])")]
-      if (!options.length) {
-        return
-      }
-      const activeIndex = options.indexOf(document.activeElement)
-      const nextIndex = (activeIndex + direction + options.length) % options.length
-      options[nextIndex].focus()
+      window.setTimeout(function () {
+        if (!root.isConnected || !isOpen()) { return }
+        const options = [...root.querySelectorAll('[data-dropdown-item]:not([disabled]):not([aria-disabled="true"])')]
+        if (!options.length) {
+          return
+        }
+        const activeIndex = options.indexOf(document.activeElement)
+        const nextIndex = activeIndex < 0 ? (direction > 0 ? 0 : options.length - 1) : (activeIndex + direction + options.length) % options.length
+        options[nextIndex].focus()
+      }, 0)
     }
 
     client function handleKeydown(sourceEvent) {
+      if (disabled) { return }
       if (sourceEvent.key === "Escape") {
+        if (!isOpen()) { return }
         sourceEvent.preventDefault()
+        sourceEvent.stopPropagation()
         hideMenu("escape", sourceEvent)
       } else if (sourceEvent.key === "ArrowDown") {
         sourceEvent.preventDefault()
@@ -111,19 +123,26 @@ items: unknown[] = []
       } else if (sourceEvent.key === "Home" && isOpen()) {
         sourceEvent.preventDefault()
         const root = sourceEvent.currentTarget.closest(".wrn-dropdown") || sourceEvent.currentTarget
-        const first = root.querySelector("[data-dropdown-item]:not([disabled])")
+        const first = root.querySelector('[data-dropdown-item]:not([disabled]):not([aria-disabled="true"])')
         if (first) {
           first.focus()
         }
       } else if (sourceEvent.key === "End" && isOpen()) {
         sourceEvent.preventDefault()
         const root = sourceEvent.currentTarget.closest(".wrn-dropdown") || sourceEvent.currentTarget
-        const options = [...root.querySelectorAll("[data-dropdown-item]:not([disabled])")]
+        const options = [...root.querySelectorAll('[data-dropdown-item]:not([disabled]):not([aria-disabled="true"])')]
         if (options.length) {
           options[options.length - 1].focus()
         }
       }
     }
+
+    client function handleFocusout(sourceEvent) {
+      const root = sourceEvent.currentTarget
+      if (isOpen() && sourceEvent.relatedTarget && !root.contains(sourceEvent.relatedTarget)) {
+        hideMenu("focusout", sourceEvent)
+      }
+    }
   }
 
   view {
@@ -138,12 +157,14 @@ items: unknown[] = []
       data-variant='{variant}'
       class='wrn-dropdown {class}'
       @keydown='handleKeydown(event)'
+      @focusout='handleFocusout(event)'
     >
       <button
         type="button"
         class="wrn-dropdown__trigger"
         disabled='{disabled}'
         aria-haspopup="menu"
+        aria-label='{ariaLabel || label}'
         aria-expanded='{open || visible ? "true" : "false"}'
         @click='toggleMenu(event)'
       >
@@ -194,6 +215,7 @@ items: unknown[] = []
                 data-danger='{item.danger ? "true" : "false"}'
                 data-selected='{item.selected || item.checked ? "true" : "false"}'
                 aria-disabled='{item.disabled ? "true" : "false"}'
+                tabindex='{item.disabled ? "-1" : "0"}'
                 class="wrn-dropdown__item"
                 @click='chooseItem(item, itemIndex, event)'
               >
@@ -460,7 +482,7 @@ items: unknown[] = []
       border: 0;
       border-radius: 0.72rem;
       font: inherit;
-      text-align: left;
+      text-align: start;
       text-decoration: none;
       cursor: pointer;
       transition: background-color 150ms ease, color 150ms ease, transform 150ms ease;
@@ -550,7 +572,7 @@ items: unknown[] = []
     }
 
     @media (max-width: 639px) {
-      .wrn-dropdown__panel {
+      .wrn-dropdown[data-placement] .wrn-dropdown__panel {
         position: fixed;
         right: 0.75rem;
         bottom: 0.75rem;
diff --git a/packages/ui/components/Footer.wrn b/packages/ui/components/Footer.wrn
index b41fdb71..d2048c0b 100644
--- a/packages/ui/components/Footer.wrn
+++ b/packages/ui/components/Footer.wrn
@@ -475,6 +475,7 @@ component Footer {
     }
 
     .wrn-footer__copyright {
+      grid-column: 2;
       margin: 0;
       text-align: center;
       white-space: nowrap;
@@ -502,7 +503,12 @@ component Footer {
       text-underline-offset: 0.2em;
     }
 
+    .wrn-footer__copyright-left {
+      grid-column: 1;
+    }
+
     .wrn-footer__copyright-right {
+      grid-column: 3;
       justify-content: flex-end;
       text-align: right;
     }
@@ -545,10 +551,12 @@ component Footer {
       }
     .wrn-footer__copyright-left,
       .wrn-footer__copyright-right {
+        grid-column: 1;
         justify-content: center;
         text-align: center;
       }
     .wrn-footer__copyright {
+        grid-column: 1;
         white-space: normal;
       }
     }
diff --git a/packages/ui/components/Sidebar.wrn b/packages/ui/components/Sidebar.wrn
index ff63663f..888e23e7 100644
--- a/packages/ui/components/Sidebar.wrn
+++ b/packages/ui/components/Sidebar.wrn
@@ -30,6 +30,8 @@ component Sidebar {
     active: string = ""
     mobileLabel: string = "Open navigation"
     drawerTitle: string = "Navigation"
+    mobile: boolean = true
+    drawerPlacement: string = "left"
     class: string = ""
   }
 
@@ -60,14 +62,16 @@ component Sidebar {
       return Boolean(entry.value) && entry.value === active
     }
 
-    client function choose(entry, level) {
+    client function choose(entry, level, sourceEvent) {
       if (entry.disabled) {
+        sourceEvent.preventDefault()
         return
       }
       output.select({ item: entry, value: entry.value || "", level: level })
       if (drawerOpen) {
         drawerOpen = false
         output.close({ source: "select" })
+        output.toggle({ open: false })
       }
     }
 
@@ -91,6 +95,7 @@ component Sidebar {
       class='wrn-sidebar {class}'
       data-color='{color}'
       data-size='{size}'
+      data-mobile='{mobile ? "true" : "false"}'
     >
       <button
         type="button"
@@ -117,7 +122,8 @@ component Sidebar {
                 data-active='{isActive(entry)}'
                 aria-current='{isActive(entry) ? "page" : "false"}'
                 aria-disabled='{entry.disabled ? "true" : "false"}'
-                @click='choose(entry, 1)'
+                tabindex='{entry.disabled ? "-1" : "0"}'
+                @click='choose(entry, 1, event)'
               >
                 <span
                   class='wrn-sidebar__icon {entry.icon}'
@@ -137,7 +143,9 @@ component Sidebar {
                       data-active='{isActive(child)}'
                       aria-current='{isActive(child) ? "page" : "false"}'
                       aria-disabled='{child.disabled ? "true" : "false"}'
-                      @click='choose(child, 2)'
+                      data-wrn-roving-item="true"
+                      tabindex='{child.disabled ? "-1" : "0"}'
+                      @click='choose(child, 2, event)'
                     >
                       <span
                         class='wrn-sidebar__icon {child.icon}'
@@ -159,7 +167,10 @@ component Sidebar {
                             href='{leaf.href || "#"}'
                             data-active='{isActive(leaf)}'
                             aria-current='{isActive(leaf) ? "page" : "false"}'
-                            @click='choose(leaf, 3)'
+                            aria-disabled='{leaf.disabled ? "true" : "false"}'
+                            data-wrn-roving-item="true"
+                            tabindex='{leaf.disabled ? "-1" : "0"}'
+                            @click='choose(leaf, 3, event)'
                           >
                             <span class="wrn-sidebar__label">{leaf.label}</span>
                           </a>
@@ -175,15 +186,94 @@ component Sidebar {
         <slot />
       </nav>
 
+      {#if mobile}
       <Drawer
         open={drawerOpen}
-        placement="left"
+        placement={drawerPlacement}
         title={drawerTitle}
         label={label}
         @close="closeDrawer()"
       >
+      <nav class="wrn-sidebar__drawer-nav" aria-label='{label}'>
+        <ul class="wrn-sidebar__list" data-wrn-roving="vertical">
+          {#each entryList() as entry}
+            <li class="wrn-sidebar__entry" data-group='{isGroup(entry)}'>
+              <p class="wrn-sidebar__heading" data-show="entry.heading">{entry.heading}</p>
+
+              <a
+                class="wrn-sidebar__link"
+                data-show="!entry.heading"
+                href='{entry.href || "#"}'
+                data-wrn-roving-item="true"
+                data-active='{isActive(entry)}'
+                aria-current='{isActive(entry) ? "page" : "false"}'
+                aria-disabled='{entry.disabled ? "true" : "false"}'
+                tabindex='{entry.disabled ? "-1" : "0"}'
+                @click='choose(entry, 1, event)'
+              >
+                <span
+                  class='wrn-sidebar__icon {entry.icon}'
+                  data-show="entry.icon"
+                  aria-hidden="true"
+                ></span>
+                <span class="wrn-sidebar__label">{entry.label}</span>
+                <span class="wrn-sidebar__badge" data-show="entry.badge">{entry.badge}</span>
+              </a>
+
+              <ul class="wrn-sidebar__sublist" data-show="childrenOf(entry).length > 0">
+                {#each childrenOf(entry) as child}
+                  <li class="wrn-sidebar__entry">
+                    <a
+                      class="wrn-sidebar__link"
+                      href='{child.href || "#"}'
+                      data-active='{isActive(child)}'
+                      aria-current='{isActive(child) ? "page" : "false"}'
+                      aria-disabled='{child.disabled ? "true" : "false"}'
+                      data-wrn-roving-item="true"
+                      tabindex='{child.disabled ? "-1" : "0"}'
+                      @click='choose(child, 2, event)'
+                    >
+                      <span
+                        class='wrn-sidebar__icon {child.icon}'
+                        data-show="child.icon"
+                        aria-hidden="true"
+                      ></span>
+                      <span class="wrn-sidebar__label">{child.label}</span>
+                      <span class="wrn-sidebar__badge" data-show="child.badge">{child.badge}</span>
+                    </a>
+
+                    <ul
+                      class="wrn-sidebar__sublist wrn-sidebar__sublist--level3"
+                      data-show="childrenOf(child).length > 0"
+                    >
+                      {#each childrenOf(child) as leaf}
+                        <li class="wrn-sidebar__entry">
+                          <a
+                            class="wrn-sidebar__link"
+                            href='{leaf.href || "#"}'
+                            data-active='{isActive(leaf)}'
+                            aria-current='{isActive(leaf) ? "page" : "false"}'
+                            aria-disabled='{leaf.disabled ? "true" : "false"}'
+                            data-wrn-roving-item="true"
+                            tabindex='{leaf.disabled ? "-1" : "0"}'
+                            @click='choose(leaf, 3, event)'
+                          >
+                            <span class="wrn-sidebar__label">{leaf.label}</span>
+                          </a>
+                        </li>
+                      {/each}
+                    </ul>
+                  </li>
+                {/each}
+              </ul>
+            </li>
+          {/each}
+        </ul>
+
+      </nav>
         <slot name="drawer"></slot>
       </Drawer>
+      {/if}
     </div>
   }
 
@@ -231,9 +321,21 @@ component Sidebar {
     }
 
     .wrn-sidebar__sublist {
-      margin-left: 0.85rem;
-      padding-left: 0.5rem;
-      border-left: 1px solid var(--wrn-color-border);
+      margin-inline-start: 0.85rem;
+      padding-inline-start: 0.5rem;
+      border-inline-start: 1px solid var(--wrn-color-border);
+    }
+
+    .wrn-sidebar__entry[data-group="true"] > .wrn-sidebar__sublist {
+      margin-inline-start: 0;
+      padding-inline-start: 0;
+      border-inline-start: 0;
+    }
+
+    .wrn-sidebar__icon {
+      width: 1.05rem;
+      height: 1.05rem;
+      flex-shrink: 0;
     }
 
     .wrn-sidebar__entry[data-group="true"] + .wrn-sidebar__entry {
@@ -286,7 +388,7 @@ component Sidebar {
     }
 
     .wrn-sidebar__badge {
-      margin-left: auto;
+      margin-inline-start: auto;
       padding: 0.05rem 0.4rem;
       border-radius: 999px;
       background: color-mix(in srgb, var(--sidebar-accent) 16%, transparent);
@@ -323,11 +425,11 @@ component Sidebar {
      * the focus trap and the scroll lock.
      */
     @media (max-width: 767px) {
-      .wrn-sidebar__launcher {
+      .wrn-sidebar[data-mobile="true"] > .wrn-sidebar__launcher {
         display: inline-flex;
       }
 
-      .wrn-sidebar__rail {
+      .wrn-sidebar[data-mobile="true"] > .wrn-sidebar__rail {
         display: none;
       }
     }
diff --git a/packages/ui/package.json b/packages/ui/package.json
index c8e6e634..c215e247 100644
--- a/packages/ui/package.json
+++ b/packages/ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ui",
-  "version": "0.8.56",
+  "version": "0.8.57",
   "private": true,
   "type": "module",
   "main": "src/index.ts",
diff --git a/packages/ui/test/account-shell-regressions.test.ts b/packages/ui/test/account-shell-regressions.test.ts
new file mode 100644
index 00000000..f66e1941
--- /dev/null
+++ b/packages/ui/test/account-shell-regressions.test.ts
@@ -0,0 +1,170 @@
+import { describe, expect, test } from "bun:test";
+import { readFileSync } from "node:fs";
+import { renderComponent, mountHtml } from "../../test/src/index.ts";
+import { uiComponentPath } from "../src/registry.ts";
+import { parse } from "../../compiler/src/index.ts";
+
+const source = (name: string) => readFileSync(uiComponentPath(name), "utf8");
+
+describe("account shell UI regressions", () => {
+  test("Sidebar supplies navigation to its mobile Drawer without an app slot", async () => {
+    const dom = mountHtml(
+      await renderComponent(source("Sidebar"), {
+        items: [
+          { heading: "Account", items: [{ label: "Profile", href: "/profile", value: "profile" }] },
+        ],
+        active: "profile",
+      }),
+    );
+    const mobileNav = dom.querySelector(".wrn-sidebar__drawer-nav");
+    expect(mobileNav?.querySelector('a[href="/profile"]')?.getAttribute("aria-current")).toBe(
+      "page",
+    );
+    expect(dom.querySelector('.wrn-sidebar__rail a[href="/profile"]')).not.toBeNull();
+  });
+
+  test("Sidebar embedded in another drawer does not generate a second mobile drawer", async () => {
+    const dom = mountHtml(
+      await renderComponent(source("Sidebar"), {
+        mobile: false,
+        items: [{ label: "Profile", href: "/profile" }],
+      }),
+    );
+    expect(dom.querySelector('[data-component="Drawer"]')).toBeNull();
+    expect(dom.querySelector(".wrn-sidebar")?.getAttribute("data-mobile")).toBe("false");
+  });
+
+  test("Sidebar blocks disabled links at every nesting level", async () => {
+    const dom = mountHtml(
+      await renderComponent(source("Sidebar"), {
+        items: [
+          {
+            label: "Parent",
+            disabled: true,
+            href: "/parent",
+            items: [
+              {
+                label: "Child",
+                disabled: true,
+                href: "/child",
+                items: [{ label: "Leaf", disabled: true, href: "/leaf" }],
+              },
+            ],
+          },
+        ],
+      }),
+    );
+    for (const href of ["/parent", "/child", "/leaf"]) {
+      const link = dom.querySelector(`.wrn-sidebar__rail a[href="${href}"]`)!;
+      expect(link.getAttribute("aria-disabled")).toBe("true");
+      expect(link.getAttribute("tabindex")).toBe("-1");
+      const click = new (dom.window as { MouseEvent: typeof MouseEvent }).MouseEvent("click", {
+        bubbles: true,
+        cancelable: true,
+      });
+      link.dispatchEvent(click);
+      expect(click.defaultPrevented).toBe(true);
+    }
+  });
+
+  test("Dropdown keyboard navigation skips disabled links and ArrowUp starts at the last item", async () => {
+    const dom = mountHtml(
+      await renderComponent(source("Dropdown"), {
+        label: "Account",
+        items: [
+          { label: "Profile", href: "/profile" },
+          { label: "Disabled", href: "/disabled", disabled: true },
+          { label: "Security", href: "/security" },
+        ],
+      }),
+    );
+    const trigger = dom.querySelector(".wrn-dropdown__trigger") as HTMLButtonElement;
+    // Execute the component's real JS functions: the lightweight mount runtime
+    // intentionally does not interpret nested timer callbacks.
+    const functions = parse(source("Dropdown"))
+      .functions.join("\n")
+      .replace(/\b(client|shared) function/g, "function");
+    const handle = new Function(
+      "document",
+      "window",
+      "output",
+      `
+      let open = false, visible = false, disabled = false;
+      ${functions}
+      return handleKeydown;
+    `,
+    )(dom.document, dom.window, {
+      open() {},
+      close() {},
+      toggle({ open }: { open: boolean }) {
+        trigger.setAttribute("aria-expanded", String(open));
+      },
+    });
+    const key = (_target: Element, value: string) =>
+      handle({
+        key: value,
+        currentTarget: dom.querySelector(".wrn-dropdown"),
+        preventDefault() {},
+        stopPropagation() {},
+      });
+    trigger.focus();
+    key(trigger, "ArrowUp");
+    await new Promise((resolve) => setTimeout(resolve, 10));
+    expect(dom.document.activeElement?.textContent).toContain("Security");
+    key(dom.document.activeElement!, "ArrowUp");
+    await new Promise((resolve) => setTimeout(resolve, 10));
+    expect(dom.document.activeElement?.textContent).toContain("Profile");
+    key(dom.document.activeElement!, "Escape");
+    expect(dom.document.activeElement).toBe(trigger);
+    expect(trigger.getAttribute("aria-expanded")).toBe("false");
+  });
+
+  test("Dropdown preserves falsy action values and has an explicit accessible trigger name", async () => {
+    const dom = mountHtml(
+      await renderComponent(source("Dropdown"), {
+        label: "",
+        ariaLabel: "Account menu",
+        items: [{ label: "Zero", value: 0, action: true }],
+      }),
+    );
+    let value: unknown = undefined;
+    dom.querySelector(".wrn-dropdown")!.addEventListener("action", (event) => {
+      value = (event as CustomEvent).detail.value;
+    });
+    const trigger = dom.querySelector(".wrn-dropdown__trigger") as HTMLButtonElement;
+    expect(trigger.getAttribute("aria-label")).toBe("Account menu");
+    trigger.click();
+    (dom.querySelector("[data-dropdown-item]") as HTMLButtonElement).click();
+    expect(value).toBe(0);
+  });
+
+  test("Dropdown closes when keyboard focus leaves the component", async () => {
+    const dom = mountHtml(
+      await renderComponent(source("Dropdown"), {
+        label: "Menu",
+        items: [{ label: "Profile", href: "/profile" }],
+      }),
+    );
+    const trigger = dom.querySelector(".wrn-dropdown__trigger") as HTMLButtonElement;
+    trigger.click();
+    const outside = dom.document.createElement("button");
+    dom.document.body.append(outside);
+    trigger.dispatchEvent(
+      new (dom.window as { FocusEvent: typeof FocusEvent }).FocusEvent("focusout", {
+        bubbles: true,
+        relatedTarget: outside,
+      }),
+    );
+    expect(trigger.getAttribute("aria-expanded")).toBe("false");
+  });
+
+  test("layout fixes belong to components, not consuming applications", () => {
+    expect(source("Sidebar")).toMatch(
+      /\.wrn-sidebar__icon\s*\{[^}]*width: 1.05rem;[^}]*height: 1.05rem;/s,
+    );
+    expect(source("Sidebar")).toContain("margin-inline-start");
+    expect(source("Dropdown")).toContain(".wrn-dropdown[data-placement] .wrn-dropdown__panel");
+    expect(source("Footer")).toMatch(/\.wrn-footer__copyright-left\s*\{\s*grid-column: 1;/);
+    expect(source("Footer")).toMatch(/\.wrn-footer__copyright-right\s*\{\s*grid-column: 3;/);
+  });
+});