(defcomp ~shared:layout/app-body (&key header-rows filter aside menu content)
  (div :class "max-w-screen-2xl mx-auto py-1 px-1"
    (when header-rows
      (div :class "w-full"
        (details :class "group/root p-2" :data-toggle-group "mobile-panels"
          (summary
            (header :class "z-50"
              (div :id "root-header-summary"
                   :class "flex items-start gap-2 p-1 bg-sky-500"
                (div :id "root-header-child" :class "flex flex-col w-full items-center"
                  header-rows))))
          (div :id "root-menu" :sx-swap-oob "outerHTML" :class "md:hidden"
            (when menu menu)))))
    (div :id "filter"
      (when filter filter))
    (main :id "root-panel" :class "max-w-full"
      (div :class "md:min-h-0"
        (div :class "flex flex-row md:h-full md:min-h-0"
          (aside :id "aside"
                 :class "hidden md:flex md:flex-col max-w-xs md:h-full md:min-h-0 mr-3"
            (when aside aside))
          (section :id "main-panel"
                   :class "flex-1 md:h-full md:min-h-0 overflow-y-auto overscroll-contain js-grid-viewport"
            (when content content)
            (div :class "pb-8")))))))

(defcomp ~shared:layout/oob-sx (&key oobs filter aside menu content)
  (<>
    (when oobs oobs)
    (div :id "filter" :sx-swap-oob "outerHTML"
      (when filter filter))
    (aside :id "aside" :sx-swap-oob "outerHTML"
           :class "hidden md:flex md:flex-col max-w-xs md:h-full md:min-h-0 mr-3"
      (when aside aside))
    (div :id "root-menu" :sx-swap-oob "outerHTML" :class "md:hidden"
      (when menu menu))
    (section :id "main-panel"
             :class "flex-1 md:h-full md:min-h-0 overflow-y-auto overscroll-contain js-grid-viewport"
      (when content content))))

(defcomp ~shared:layout/hamburger ()
  (div :class "md:hidden bg-stone-200 rounded"
    (svg :class "h-12 w-12 transition-transform group-open/root:hidden block self-start"
         :viewBox "0 0 24 24" :fill "none" :stroke "currentColor"
      (path :stroke-linecap "round" :stroke-linejoin "round" :stroke-width "2"
            :d "M4 6h16M4 12h16M4 18h16"))
    (svg :aria-hidden "true" :viewBox "0 0 24 24"
         :class "w-12 h-12 rotate-180 transition-transform group-open/root:block hidden self-start"
      (path :d "M6 9l6 6 6-6" :fill "currentColor"))))

(defcomp ~shared:layout/post-label (&key (feature-image :as string?) (title :as string))
  (<> (when feature-image
        (img :src feature-image :class "h-8 w-8 rounded-full object-cover border border-stone-300 flex-shrink-0"))
    (span title)))

(defcomp ~shared:layout/page-cart-badge (&key (href :as string) (count :as string))
  (a :href href :class "relative inline-flex items-center gap-1.5 px-3 py-1.5 text-sm rounded-full border border-emerald-300 bg-emerald-50 text-emerald-800 hover:bg-emerald-100 transition"
    (i :class "fa fa-shopping-cart" :aria-hidden "true")
    (span count)))

(defcomp ~shared:layout/header-row-sx (&key cart-mini (blog-url :as string?) (site-title :as string?)
                              (app-label :as string?) nav-tree auth-menu nav-panel
                              (settings-url :as string?) (is-admin :as boolean?) (oob :as boolean?))
  (<>
    (div :id "root-row"
         :sx-swap-oob (if oob "outerHTML" nil)
         :class "flex flex-col items-center md:flex-row justify-center md:justify-between w-full p-1 bg-sky-500"
      (div :class "w-full flex flex-row items-top"
        (when cart-mini cart-mini)
        (div :class "font-bold text-5xl flex-1"
          (a :href (or blog-url "/") :class "flex justify-center md:justify-start items-baseline gap-2"
            (h1 (or site-title ""))
            (when app-label
              (span :class "text-lg text-white/80 font-normal" app-label))))
        (nav :class "hidden md:flex flex-wrap gap-4 text-sm ml-2 justify-end items-center flex-0"
          (when nav-tree nav-tree)
          (when auth-menu auth-menu)
          (when nav-panel nav-panel)
          (when (and is-admin settings-url)
            (a :href settings-url :class "justify-center cursor-pointer flex flex-row items-center gap-2 rounded bg-stone-200 text-black p-3"
              (i :class "fa fa-cog" :aria-hidden "true"))))
        (~shared:layout/hamburger)))
    (div :class "block md:hidden text-md font-bold"
      (when auth-menu auth-menu))))

; @css bg-sky-400 bg-sky-300 bg-sky-200 bg-sky-100 bg-violet-400 bg-violet-300 bg-violet-200 bg-violet-100
; @css aria-selected:bg-violet-200 aria-selected:text-violet-900 aria-selected:bg-stone-500 aria-selected:text-white
(defcomp ~shared:layout/menu-row-sx (&key (id :as string) (level :as number?) (colour :as string?)
                             (link-href :as string) (link-label :as string?) link-label-content
                             (icon :as string?) (selected :as string?) (hx-select :as string?)
                             nav (child-id :as string?) child (oob :as boolean?) (external :as boolean?))
  (let* ((c (or colour "sky"))
         (lv (or level 1))
         (shade (str (- 500 (* lv 100)))))
    (<>
      (div :id id
           :sx-swap-oob (if oob "outerHTML" nil)
           :class (str "flex flex-col items-center md:flex-row md:items-baseline justify-center md:justify-between w-full p-1 bg-" c "-" shade)
        (div :class "relative nav-group"
          (a :href link-href
             :sx-get (if external nil link-href)
             :sx-target (if external nil "#main-panel")
             :sx-select (if external nil (or hx-select "#main-panel"))
             :sx-swap (if external nil "outerHTML")
             :sx-push-url (if external nil "true")
             :class "w-full whitespace-normal flex items-center gap-2 font-bold text-2xl px-3 py-2"
            (when icon (i :class icon :aria-hidden "true"))
            (if link-label-content link-label-content
              (<>
                (when link-label (div link-label))
                (when selected
                  (span :class "text-lg text-white/80 font-normal" selected))))))
        (when nav
          (nav :class "hidden md:flex flex-wrap gap-4 text-sm ml-2 justify-end items-baseline flex-0"
            nav)))
      (when (and child-id (not oob))
        (div :id child-id :class "flex flex-col w-full items-center"
          (when child child))))))

(defcomp ~shared:layout/oob-header-sx (&key (parent-id :as string) row)
  (div :id parent-id :sx-swap-oob "outerHTML" :class "flex flex-col w-full items-center"
    row))

(defcomp ~shared:layout/header-child-sx (&key (id :as string?) inner)
  (div :id (or id "root-header-child") :class "flex flex-col w-full items-center" inner))

;; ---------------------------------------------------------------------------
;; Mobile menu — vertical nav sections for hamburger panel
;; ---------------------------------------------------------------------------

;; Labelled section: colour bar header + vertical nav items
(defcomp ~shared:layout/mobile-menu-section (&key (label :as string) (href :as string?) (colour :as string?)
                                     (level :as number?) items)
  (let* ((c (or colour "sky"))
         (lv (or level 1))
         (shade (str (- 500 (* lv 100)))))
    (div
      (div :class (str "flex items-center gap-2 px-3 py-1.5 text-sm font-bold bg-" c "-" shade)
        (if href
          (a :href href :class "hover:underline" label)
          (span label)))
      (div :class "flex flex-col gap-1 p-2 text-sm"
        items))))

;; Root-level mobile nav: site nav items + auth links
(defcomp ~shared:layout/mobile-root-nav (&key nav-tree auth-menu)
  (<>
    (when nav-tree
      (div :class "flex flex-col gap-2 p-3 text-sm" nav-tree))
    (when auth-menu
      (div :class "p-3 border-t border-stone-200" auth-menu))))

;; ---------------------------------------------------------------------------
;; Root header/mobile shorthand — pass-through to shared defcomps.
;; All values must be supplied as &key args (not free variables) because
;; nested component calls in _aser are serialized without expansion.
;; ---------------------------------------------------------------------------

(defcomp ~shared:layout/root-header (&key cart-mini (blog-url :as string?) (site-title :as string?)
                             (app-label :as string?) nav-tree auth-menu nav-panel
                             (settings-url :as string?) (is-admin :as boolean?) (oob :as boolean?))
  (~shared:layout/header-row-sx :cart-mini cart-mini :blog-url blog-url :site-title site-title
                   :app-label app-label :nav-tree nav-tree :auth-menu auth-menu
                   :nav-panel nav-panel :settings-url settings-url :is-admin is-admin
                   :oob oob))

(defcomp ~shared:layout/root-mobile (&key nav-tree auth-menu)
  (~shared:layout/mobile-root-nav :nav-tree nav-tree :auth-menu auth-menu))

;; ---------------------------------------------------------------------------
;; Auto-fetching header/mobile macros — use IO primitives to self-populate.
;; These expand inline so IO calls resolve in _aser mode within layout bodies.
;; Replaces the 10-parameter ~shared:layout/root-header boilerplate in layout defcomps.
;; ---------------------------------------------------------------------------

(defmacro ~root-header-auto (oob)
  (quasiquote
    (let ((__rhctx (root-header-ctx)))
      (~shared:layout/header-row-sx :cart-mini (get __rhctx "cart-mini")
                       :blog-url (get __rhctx "blog-url")
                       :site-title (get __rhctx "site-title")
                       :app-label (get __rhctx "app-label")
                       :nav-tree (get __rhctx "nav-tree")
                       :auth-menu (get __rhctx "auth-menu")
                       :nav-panel (get __rhctx "nav-panel")
                       :settings-url (get __rhctx "settings-url")
                       :is-admin (get __rhctx "is-admin")
                       :oob (unquote oob)))))

(defmacro ~root-mobile-auto ()
  (quasiquote
    (let ((__rhctx (root-header-ctx)))
      (~shared:layout/mobile-root-nav :nav-tree (get __rhctx "nav-tree")
                         :auth-menu (get __rhctx "auth-menu")))))

;; ---------------------------------------------------------------------------
;; Built-in layout defcomps — used by register_sx_layout("root", ...)
;; These use ~root-header-auto / ~root-mobile-auto macros (IO primitives).
;; ---------------------------------------------------------------------------

(defcomp ~shared:layout/root-full ()
  (~root-header-auto))

(defcomp ~shared:layout/root-oob ()
  (~shared:layout/oob-header-sx :parent-id "root-header-child"
    :row (~root-header-auto true)))

(defcomp ~shared:layout/root-mobile ()
  (~root-mobile-auto))

;; Post layout — root + post header
(defcomp ~shared:layout/post-full ()
  (<> (~root-header-auto)
    (~shared:layout/header-child-sx :inner (~post-header-auto))))

(defcomp ~shared:layout/post-oob ()
  (<> (~post-header-auto true)
    (~shared:layout/oob-header-sx :parent-id "post-header-child" :row "")))

(defcomp ~shared:layout/post-mobile ()
  (let ((__phctx (post-header-ctx))
        (__rhctx (root-header-ctx)))
    (<>
      (when (get __phctx "slug")
        (~shared:layout/mobile-menu-section
          :label (slice (get __phctx "title") 0 40)
          :href (get __phctx "link-href")
          :level 1
          :items (~post-nav-auto)))
      (~root-mobile-auto))))

;; Post-admin layout — root + post header with nested admin row
(defcomp ~shared:layout/post-admin-full (&key (selected :as string?))
  (let ((__admin-hdr (~post-admin-header-auto nil selected)))
    (<> (~root-header-auto)
      (~shared:layout/header-child-sx
        :inner (~post-header-auto nil)))))

(defcomp ~shared:layout/post-admin-oob (&key (selected :as string?))
  (<> (~post-header-auto true)
    (~shared:layout/oob-header-sx :parent-id "post-header-child"
      :row (~post-admin-header-auto nil selected))))

(defcomp ~shared:layout/post-admin-mobile (&key (selected :as string?))
  (let ((__phctx (post-header-ctx)))
    (<>
      (when (get __phctx "slug")
        (~shared:layout/mobile-menu-section
          :label "admin"
          :href (get __phctx "admin-href")
          :level 2
          :items (~post-admin-nav-auto selected)))
      (when (get __phctx "slug")
        (~shared:layout/mobile-menu-section
          :label (slice (get __phctx "title") 0 40)
          :href (get __phctx "link-href")
          :level 1
          :items (~post-nav-auto)))
      (~root-mobile-auto))))

(defcomp ~shared:layout/error-content (&key (errnum :as string) (message :as string) (image :as string?))
  (div :class "text-center p-8 max-w-lg mx-auto"
    (div :class "font-bold text-2xl md:text-4xl text-red-500 mb-4" errnum)
    (div :class "text-stone-600 mb-4" message)
    (when image
      (div :class "flex justify-center"
        (img :src image :width "300" :height "300")))))

(defcomp ~shared:layout/clear-oob-div (&key (id :as string))
  (div :id id :sx-swap-oob "outerHTML"))

;; ---------------------------------------------------------------------------
;; Post-level auto-fetching macros — use (post-header-ctx) IO primitive
;; ---------------------------------------------------------------------------

(defmacro ~post-nav-auto ()
  "Post-level nav items: page cart badge + container nav + admin cog."
  (quasiquote
    (let ((__phctx (post-header-ctx)))
      (when (get __phctx "slug")
        (<>
          (when (> (get __phctx "page-cart-count") 0)
            (~shared:layout/page-cart-badge :href (get __phctx "cart-href")
                              :count (str (get __phctx "page-cart-count"))))
          (when (get __phctx "container-nav")
            (~shared:layout/container-nav-wrapper :content (get __phctx "container-nav")))
          (when (get __phctx "is-admin")
            (~shared:layout/admin-cog-button :href (get __phctx "admin-href")
                               :is-admin-page (get __phctx "is-admin-page"))))))))

(defmacro ~post-header-auto (oob)
  "Post-level header row. Reads post data via (post-header-ctx)."
  (quasiquote
    (let ((__phctx (post-header-ctx)))
      (when (get __phctx "slug")
        (~shared:layout/menu-row-sx :id "post-row" :level 1
          :link-href (get __phctx "link-href")
          :link-label-content (~shared:layout/post-label
                                :feature-image (get __phctx "feature-image")
                                :title (get __phctx "title"))
          :nav (~post-nav-auto)
          :child-id "post-header-child"
          :oob (unquote oob) :external true)))))

(defmacro ~post-admin-nav-auto (selected)
  "Post-admin nav items: calendars, markets, etc."
  (quasiquote
    (let ((__phctx (post-header-ctx)))
      (when (get __phctx "slug")
        (let ((__slug (get __phctx "slug"))
              (__sc (get __phctx "select-colours")))
          (<>
            (~shared:layout/nav-link :href (app-url "events" (str "/" __slug "/admin/"))
                       :label "calendars" :select-colours __sc
                       :is-selected (when (= (unquote selected) "calendars") "true"))
            (~shared:layout/nav-link :href (app-url "market" (str "/" __slug "/admin/"))
                       :label "markets" :select-colours __sc
                       :is-selected (when (= (unquote selected) "markets") "true"))
            (~shared:layout/nav-link :href (app-url "cart" (str "/" __slug "/admin/payments/"))
                       :label "payments" :select-colours __sc
                       :is-selected (when (= (unquote selected) "payments") "true"))
            (~shared:layout/nav-link :href (app-url "blog" (str "/" __slug "/admin/entries/"))
                       :label "entries" :select-colours __sc
                       :is-selected (when (= (unquote selected) "entries") "true"))
            (~shared:layout/nav-link :href (app-url "blog" (str "/" __slug "/admin/data/"))
                       :label "data" :select-colours __sc
                       :is-selected (when (= (unquote selected) "data") "true"))
            (~shared:layout/nav-link :href (app-url "blog" (str "/" __slug "/admin/preview/"))
                       :label "preview" :select-colours __sc
                       :is-selected (when (= (unquote selected) "preview") "true"))
            (~shared:layout/nav-link :href (app-url "blog" (str "/" __slug "/admin/edit/"))
                       :label "edit" :select-colours __sc
                       :is-selected (when (= (unquote selected) "edit") "true"))
            (~shared:layout/nav-link :href (app-url "blog" (str "/" __slug "/admin/settings/"))
                       :label "settings" :select-colours __sc
                       :is-selected (when (= (unquote selected) "settings") "true"))))))))

(defmacro ~post-admin-header-auto (oob selected)
  "Post-admin header row. Uses (post-header-ctx) for slug + URLs."
  (quasiquote
    (let ((__phctx (post-header-ctx)))
      (when (get __phctx "slug")
        (~shared:layout/menu-row-sx :id "post-admin-row" :level 2
          :link-href (get __phctx "admin-href")
          :link-label-content (~shared:layout/post-admin-label
                                :selected (unquote selected))
          :nav (~post-admin-nav-auto (unquote selected))
          :child-id "post-admin-header-child"
          :oob (unquote oob))))))

;; ---------------------------------------------------------------------------
;; Shared nav helpers — used by post_header_sx / post_admin_header_sx
;; ---------------------------------------------------------------------------

(defcomp ~shared:layout/container-nav-wrapper (&key content)
  (div :id "entries-calendars-nav-wrapper"
       :class "flex flex-col sm:flex-row sm:items-center gap-2 border-r border-stone-200 mr-2 sm:max-w-2xl"
    content))

; @css justify-center cursor-pointer flex flex-row items-center gap-2 rounded bg-stone-200 text-black p-3 !bg-stone-500 !text-white
(defcomp ~shared:layout/admin-cog-button (&key (href :as string) (is-admin-page :as boolean?))
  (div :class "relative nav-group"
    (a :href href
       :class (str "justify-center cursor-pointer flex flex-row items-center gap-2 rounded bg-stone-200 text-black p-3 "
                   (if is-admin-page "!bg-stone-500 !text-white" ""))
      (i :class "fa fa-cog" :aria-hidden "true"))))

(defcomp ~shared:layout/post-admin-label (&key (selected :as string?))
  (<>
    (i :class "fa fa-shield-halved" :aria-hidden "true")
    " admin"
    (when selected
      (span :class "text-white" selected))))

(defcomp ~shared:layout/nav-link (&key (href :as string) (hx-select :as string?) (label :as string?) (icon :as string?)
                          (aclass :as string?) (select-colours :as string?) (is-selected :as string?))
  (div :class "relative nav-group"
    (a :href href
       :sx-get href
       :sx-target "#main-panel"
       :sx-select (or hx-select "#main-panel")
       :sx-swap "outerHTML"
       :sx-push-url "true"
       :aria-selected (when is-selected "true")
       :class (or aclass
                (str "justify-center cursor-pointer flex flex-row items-center gap-2 rounded bg-stone-200 text-black p-3 "
                     (or select-colours "")))
      (when icon (i :class icon :aria-hidden "true"))
      (when label (span label)))))