Use compact document removal controls

This reverts commit 2e78162e93.

db/README.md

@@ -14,6 +14,10 @@
 10. `db/migrations/0014_require_human_lot_activation.sql`
 11. `db/migrations/0015_sales_order_payments.sql`
 12. `db/migrations/0016_stock_lot_forecast_history.sql`
+13. `db/migrations/0017_manufacturer_lot_traceability.sql`
+14. `db/migrations/0018_shopify_delta_sync_state.sql`
+15. `db/migrations/0019_allow_multiple_open_stock_lots.sql`
+16. `db/migrations/0020_include_stock_adjustments_in_balance.sql`
 
 ## Beispielausfuehrung
 

db/migrations/0017_manufacturer_lot_traceability.sql

@@ -0,0 +1,53 @@
+BEGIN;
+
+CREATE TABLE party_role (
+  party_id BIGINT NOT NULL REFERENCES party(id) ON DELETE CASCADE,
+  role_code TEXT NOT NULL,
+  created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+  CONSTRAINT pk_party_role PRIMARY KEY (party_id, role_code),
+  CONSTRAINT chk_party_role_code CHECK (role_code IN ('manufacturer'))
+);
+
+CREATE INDEX idx_party_role_code ON party_role(role_code);
+
+ALTER TABLE stock_lot
+  RENAME COLUMN supplier_lot_number TO manufacturer_lot_number;
+
+ALTER TABLE stock_lot
+  ADD COLUMN manufacturer_party_id BIGINT REFERENCES party(id) ON DELETE RESTRICT;
+
+INSERT INTO party (type, name, status, created_at, updated_at)
+SELECT 'supplier', MIN(TRIM(supplier_name)), 'active', NOW(), NOW()
+FROM stock_lot
+WHERE supplier_name IS NOT NULL
+  AND TRIM(supplier_name) <> ''
+  AND NOT EXISTS (
+    SELECT 1
+    FROM party p
+    WHERE LOWER(TRIM(p.name)) = LOWER(TRIM(stock_lot.supplier_name))
+  )
+GROUP BY LOWER(TRIM(supplier_name));
+
+INSERT INTO party_role (party_id, role_code)
+SELECT p.id, 'manufacturer'
+FROM party p
+WHERE EXISTS (
+    SELECT 1
+    FROM stock_lot sl
+    WHERE sl.supplier_name IS NOT NULL
+      AND LOWER(TRIM(sl.supplier_name)) = LOWER(TRIM(p.name))
+  )
+ON CONFLICT (party_id, role_code) DO NOTHING;
+
+UPDATE stock_lot sl
+SET manufacturer_party_id = p.id
+FROM party p
+WHERE sl.supplier_name IS NOT NULL
+  AND LOWER(TRIM(sl.supplier_name)) = LOWER(TRIM(p.name));
+
+ALTER TABLE stock_lot
+  DROP COLUMN supplier_name;
+
+CREATE INDEX idx_stock_lot_manufacturer_party ON stock_lot(manufacturer_party_id);
+
+COMMIT;

db/migrations/0018_shopify_delta_sync_state.sql

@@ -0,0 +1,16 @@
+BEGIN;
+
+CREATE TABLE shopify_delta_sync_state (
+  process_name TEXT PRIMARY KEY,
+  last_successful_cutoff TIMESTAMP NOT NULL,
+  updated_at TIMESTAMP NOT NULL DEFAULT NOW()
+);
+
+INSERT INTO shopify_delta_sync_state (process_name, last_successful_cutoff)
+SELECT
+  'erp.import-integration.shopify_delta_order_import',
+  COALESCE(MAX(shopify_created_at), NOW())
+FROM sales_order
+WHERE shopify_order_gid IS NOT NULL;
+
+COMMIT;

db/migrations/0019_allow_multiple_open_stock_lots.sql

@@ -0,0 +1,5 @@
+BEGIN;
+
+DROP INDEX IF EXISTS uq_stock_lot_one_open_per_product;
+
+COMMIT;

db/migrations/0020_include_stock_adjustments_in_balance.sql

@@ -0,0 +1,22 @@
+BEGIN;
+
+CREATE OR REPLACE VIEW v_stock_lot_balance AS
+SELECT
+  sl.id AS stock_lot_id,
+  sl.product_id,
+  COALESCE(SUM(CASE WHEN sm.move_type = 'in' THEN sm.qty ELSE 0 END), 0) AS qty_in,
+  COALESCE(SUM(CASE WHEN sm.move_type = 'out' THEN sm.qty ELSE 0 END), 0) AS qty_out,
+  COALESCE(SUM(
+    CASE
+      WHEN sm.move_type = 'in' THEN sm.qty
+      WHEN sm.move_type = 'out' THEN -sm.qty
+      WHEN sm.move_type = 'adjustment' AND sm.to_location_id IS NOT NULL AND sm.from_location_id IS NULL THEN sm.qty
+      WHEN sm.move_type = 'adjustment' AND sm.from_location_id IS NOT NULL AND sm.to_location_id IS NULL THEN -sm.qty
+      ELSE 0
+    END
+  ), 0) AS qty_net
+FROM stock_lot sl
+LEFT JOIN stock_move sm ON sm.lot_id = sl.id
+GROUP BY sl.id, sl.product_id;
+
+COMMIT;

db/migrations/0021_stock_lot_documents.sql

@@ -0,0 +1,18 @@
+BEGIN;
+
+CREATE TABLE stock_lot_document (
+  id BIGSERIAL PRIMARY KEY,
+  stock_lot_id BIGINT NOT NULL REFERENCES stock_lot(id) ON DELETE CASCADE,
+  original_filename TEXT NOT NULL,
+  stored_filename TEXT NOT NULL,
+  mime_type TEXT NOT NULL,
+  size_bytes BIGINT NOT NULL,
+  comment TEXT,
+  uploaded_by TEXT NOT NULL,
+  uploaded_at TIMESTAMP NOT NULL DEFAULT NOW(),
+  CONSTRAINT chk_stock_lot_document_size CHECK (size_bytes > 0 AND size_bytes <= 52428800)
+);
+
+CREATE INDEX idx_stock_lot_document_lot ON stock_lot_document(stock_lot_id, id);
+
+COMMIT;

docs/architektur/database/module_db_ownership.md

@@ -11,6 +11,7 @@ Diese Referenz ordnet die aktuellen Tabellen, Views und technischen DB-Artefakte
 ### `kontakte`
 
 - `party`
+- `party_role`
 - `address`
 - `contact`
 - `party_external_identity`

docs/modules/erp/import-integration/processes/main/erp.import-integration.shopify_delta_order_import.md

@@ -8,18 +8,19 @@ Read-only-Abgleich von Shopify-Bestellungen nach dem ERP-Stichtag und identifier
 
 ## 2. Prozess-Einbettung
 
-Manuell startbarer Initial-Deltalauf und später wiederverwendbarer Reconciliation-Prozess im Submodul `erp/import-integration`. Er ist vom Webhook-Empfang getrennt.
+Manuell startbarer Initial-Deltalauf und täglich über den zentralen ERP-Cron gestarteter Reconciliation-Prozess im Submodul `erp/import-integration`. Er ist vom Webhook-Empfang getrennt.
 
 ## 3. Input
 
 - `cutoff_timestamp`
 - optional `dry_run`
+- beim täglichen Cron der persistierte letzte erfolgreiche Wasserstand sowie der älteste noch nicht erfolgreich verarbeitete Webhook-Eingang
 
 Es werden keine vorbereiteten Shopify-Geschäftsdaten an nachgelagerte Module übergeben.
 
 ## 4. Exakter Prozessablauf
 
-1. `cutoff_timestamp` und `dry_run` validieren.
+1. `cutoff_timestamp` und `dry_run` validieren; beim Cron den kleineren Wert aus Wasserstand und ältestem offenen Webhook-Eingang verwenden und offene Webhook-Order-GIDs zusätzlich direkt zur Recovery aufnehmen.
 2. Read-only Shopify-Bestellungen mit `createdAt` nach dem Stichtag in stabiler Reihenfolge laden.
 3. Stornierte oder vollständig erstattete Bestellungen als nicht lagerwirksam klassifizieren und nur technisch protokollieren.
 4. Für jede qualifizierte Bestellung die Shopify Order-GID idempotent gegen `sales_order.shopify_order_gid` prüfen.
@@ -42,7 +43,7 @@ Write targets:
 
 ## 5. Batch, Betriebsmodell und Einbettung
 
-Der Initiallauf verarbeitet den festen Zeitraum nach dem bestehenden ERP-Stichtag seriell. Spätere Reconciliation-Läufe nutzen denselben Prozess mit einem definierten Wasserzeichen. Keine Parallelisierung.
+Der Initiallauf verarbeitet den festen Zeitraum nach dem bestehenden ERP-Stichtag seriell. Spätere tägliche Reconciliation-Läufe nutzen den persistierten Wasserstand und ziehen offene oder fehlgeschlagene Webhook-Eingänge sowohl über den Prüfbereich als auch über ihre stabile Order-GID wieder in die Verarbeitung. Ein technisches Event wird erst nach erfolgreicher Projektion als verarbeitet markiert. Der Wasserstand wird nur nach einem vollständig erfolgreichen Lauf fortgeschrieben. Keine Parallelisierung.
 
 ## 6. Output
 

docs/modules/erp/kontakte/README.md

@@ -14,6 +14,7 @@ Zentraler Kontaktstamm fuer Kunden, Lieferanten und sonstige Parteien.
 ## Writes
 
 - Kontaktstamm
+- Herstellerrollen im Parteien-Stamm
 - Adressen
 - Kommunikationsdaten
 

docs/modules/erp/lager/README.md

@@ -18,6 +18,7 @@ Bestand, Charge, MHD und Bewegungen.
 - Warenabgang
 - Umlagerung
 - Chargenpflege
+- Verknüpfung von Naurua- und Hersteller-Chargen
 - Virtuelle Fehlbestandschargen und menschlich bestaetigte Nachallokation
 
 ## Reads
@@ -42,4 +43,6 @@ Bestand, Charge, MHD und Bewegungen.
 
 - `modules/erp/lager/service.php`
 
+Hersteller-Stammdaten gehören zum Modul `kontakte`. Eine reale Lagercharge kann dort einen Hersteller und dessen Hersteller-Chargennummer referenzieren; die interne Naurua-Chargennummer bleibt Eigentum des Moduls `lager`. Virtuelle Fehlbestandschargen haben keinen Herstellerbezug.
+
 Virtuelle Fehlbestandschargen tragen den Status `virtual_shortage`, sind nicht bestandswirksam und werden bei einer menschlich bestaetigten Nachallokation durch eine neue reale Chargenzuordnung ersetzt. Die virtuelle Ausgangszuordnung bleibt als Historie erhalten.

docs/modules/erp/lager/processes/main/erp.lager.stock_lot_forecast_refresh.md

@@ -13,17 +13,17 @@ Direkt ausgeführter Lager-Prozess mit zwei Triggern: synchron nach jeder erfolg
 ## 3. Input
 
 - optional eine einzelne `product_id` bei synchronem Verkaufstrigger
-- aktive Produkte, aktuelle Chargen, physischer Chargenbestand und gültige Verkaufsallokationen aus dem eigenen Datenbestand
+- aktive Produkte, aktuelle Chargen, eingetragene Mengen aller offenen Folgechargen, physischer Chargenbestand und gültige Verkaufsallokationen aus dem eigenen Datenbestand
 
 ## 4. Exakter Prozessablauf
 
 1. Bei einem Verkaufstrigger die betroffenen Produkt-IDs aus der erfolgreichen Allokation übernehmen; beim Cron-Trigger alle aktiven Produkte bestimmen.
-2. Aktive Produkte und ihre aktuelle Charge aus `product`, `stock_lot` und `v_stock_lot_balance` laden.
+2. Aktive Produkte, ihre aktuelle Charge und die Nettobestände aller bereits angelegten offenen Folgechargen aus `product`, `stock_lot` und `v_stock_lot_balance` laden. Je offene Folgecharge wird nur eine positive Menge berücksichtigt.
 3. Verkaufsallokationen der letzten 365 Tage aus `sales_order_line_lot_allocation`, `sales_order_line` und `sales_order` laden.
 4. `allocated`- und `reserved`-Mengen nach Bestell- beziehungsweise OTC-Verkaufsdatum je Produkt und Kalendertag aggregieren.
 5. Stornierte Auftrags- und Positionsmengen aus der Nachfrage herausrechnen.
 6. Den gewichteten Tagesabsatz mit einer Halbwertszeit von 60 Tagen berechnen.
-7. Für jede aktuelle Charge das Leer-Datum aus physischem Bestand und gewichteter Nachfrage berechnen.
+7. Für jede aktuelle Charge das Leer-Datum aus ihrem physischen Bestand zuzüglich der eingetragenen Mengen aller offenen Folgechargen und der gewichteten Nachfrage berechnen.
 8. Jede erfolgreiche Berechnung in `stock_lot_forecast_history` speichern und den aktuellen Snapshot in `stock_lot` aktualisieren.
 9. Im Cron Fehler einzelner Produkte sammeln und mit den übrigen Produkten fortfahren.
 
@@ -37,7 +37,7 @@ Ein normalisiertes JSON-Ergebnis mit Gesamtzahl, erfolgreich verarbeiteten Produ
 
 ## 7. Erfolgskriterien
 
-- Jede aktuelle Charge erhält täglich einen aktuellen Prognosesnapshot.
+- Jede aktuelle Charge erhält täglich einen aktuellen Prognosesnapshot, der eingetragene Mengen aller offenen Folgechargen berücksichtigt.
 - Verkäufe ohne Bestand über virtuelle `reserved`-Allokationen beeinflussen die Nachfrage.
 - Die vollständige Berechnungshistorie bleibt erhalten.
 - Ein einzelner Produktfehler verhindert keine weiteren Berechnungen.

docs/styleguide/components/interactive-elements.html

@@ -26,6 +26,10 @@
       <button class="sg-interaction-element sg-button sg-button--active" type="button" data-component="button" data-component-state="active">
         Link-Button aktiv
       </button>
+
+      <button class="sg-interaction-element sg-button sg-button--warning" type="button" data-component="button" data-component-variant="warning">
+        Link Button Warning
+      </button>
     </div>
   </section>
 
@@ -843,7 +847,28 @@
   </section>
 
   <script src="../scripts/help-icon-overlays.js"></script>
+  <section id="component-file-input">
+    <p class="sg-preview-label">Component: File Input</p>
+      <div class="sg-form-preview-area">
+      <div class="sg-file-input" data-component="file-input">
+        <div class="sg-file-input__row sg-labeled-input-row">
+          <label class="sg-label" for="component-file-input-control">Datei auswählen</label>
+          <input class="sg-file-input__control" id="component-file-input-control" type="file" multiple>
+          <button class="sg-interaction-element sg-button sg-button--active sg-file-input__trigger" type="button">Dateien auswählen</button>
+        </div>
+      </div>
+    </div>
+  </section>
+
   <script>
+    document.querySelectorAll('[data-component="file-input"]').forEach((fileInput) => {
+      const input = fileInput.querySelector('.sg-file-input__control');
+      const trigger = fileInput.querySelector('.sg-file-input__trigger');
+      if (input && trigger) {
+        trigger.addEventListener('click', () => input.click());
+      }
+    });
+
     document.querySelectorAll('.sg-mode-toggle:not(.sg-activation-mode-toggle)').forEach((toggle) => {
       toggle.addEventListener('click', () => {
         const nextState = toggle.dataset.active === 'relative' ? 'absolute' : 'relative';

docs/styleguide/foundations.html

@@ -158,6 +158,8 @@
         <tr><td>input-field-max-width</td><td>600px</td><td>Maximale Breite von ein- und mehrzeiligen Eingabefeldern (ohne Suchfeld).</td></tr>
         <tr><td>email-body-max-width</td><td>600px</td><td>Maximale Breite des Inhaltsbereichs von E-Mail-Templates innerhalb des E-Mail-Viewports.</td></tr>
         <tr><td>object-card-height</td><td>600px</td><td>Fixe Höhe der Object Card im Desktop-Layout (u. a. für Company Card).</td></tr>
+        <tr><td>scrollable-card-width</td><td>600px</td><td>Standardbreite der eigenständigen Scrollable Card; kann im konsumierenden Portal über den semantischen Layout-Token angepasst werden.</td></tr>
+        <tr><td>scrollable-card-height</td><td>600px</td><td>Standardhöhe der eigenständigen Scrollable Card; kann im konsumierenden Portal über den semantischen Layout-Token angepasst werden.</td></tr>
         <tr><td>content-card-margin-top-desktop</td><td>100px</td><td>Oberer Außenabstand der Content Card auf Desktop.</td></tr>
         <tr><td>content-card-margin-top-mobile</td><td>1rem</td><td>Oberer Außenabstand der Content Card auf Mobile; entspricht spacing-large.</td></tr>
         <tr><td>notification-card-width</td><td>50%</td><td>Breite der Notification Card relativ zum übergeordneten Layout.</td></tr>

docs/styleguide/index.html

@@ -43,6 +43,7 @@
         <li><a href="./patterns/portal-header.html">Portal Header</a></li>
         <li><a href="./patterns/options-row.html">Options Row</a></li>
         <li><a href="./patterns/object-card.html">Object Card</a></li>
+        <li><a href="./patterns/scrollable-card.html">Scrollable Card</a></li>
         <li><a href="./patterns/object-group-card.html">Object Group Card</a></li>
         <li><a href="./patterns/navigation-card.html">Navigation Card</a></li>
         <li><a href="./patterns/left-navigation.html">Left Navigation</a></li>
@@ -50,6 +51,7 @@
         <li><a href="./patterns/content-cards-group.html">Content Cards Group</a></li>
         <li><a href="./patterns/card-gruppe-mit-tastennavigation.html">Card Gruppe mit Tastennavigation</a></li>
         <li><a href="./patterns/formular-mit-abschnitten.html">Formular mit Abschnitten</a></li>
+        <li><a href="./patterns/file-upload.html">Datei-Upload</a></li>
         <li><a href="./patterns/multiselektions-pulldown.html">Multiselektions-Pulldown</a></li>
         <li><a href="./patterns/text-layouts.html">Text Layouts</a></li>
         <li><a href="./patterns/delete-confirmation-overlay.html">Overlay Card</a></li>

docs/styleguide/patterns/file-upload.html

@@ -0,0 +1,71 @@
+<!doctype html>
+<html lang="de">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Styleguide – Pattern Datei-Upload</title>
+  <link rel="stylesheet" href="../styleguide.css">
+</head>
+<body>
+  <h1 class="sg-main-heading">Pattern – Datei-Upload</h1>
+  <section id="pattern-file-upload">
+    <p class="sg-preview-label">Pattern: Datei-Upload</p>
+    <form class="sg-file-upload" data-pattern="file-upload" action="#" method="post">
+      <div class="sg-file-upload__dropzone sg-labeled-input-row" data-drag-over="false">
+        <label class="sg-label" for="file-upload-input">Datei auswählen</label>
+        <input class="sg-file-input__control" id="file-upload-input" name="documents" type="file" multiple aria-describedby="file-upload-status">
+        <button class="sg-interaction-element sg-button sg-button--active sg-file-upload__trigger" type="button">Dateien auswählen</button>
+      </div>
+      <p class="sg-body sg-file-upload__status" id="file-upload-status" aria-live="polite">Noch keine Dateien ausgewählt.</p>
+      <ul class="sg-file-upload__files" aria-label="Ausgewählte Dateien"></ul>
+      <button class="sg-interaction-element sg-button sg-button--process sg-button--process-inactive sg-file-upload__submit" type="submit" disabled aria-disabled="true">Hochladen</button>
+    </form>
+  </section>
+  <script>
+    (() => {
+      const upload = document.querySelector('[data-pattern="file-upload"]');
+      if (!upload) return;
+      const input = upload.querySelector('#file-upload-input');
+      const dropzone = upload.querySelector('.sg-file-upload__dropzone');
+      const trigger = upload.querySelector('.sg-file-upload__trigger');
+      const filesList = upload.querySelector('.sg-file-upload__files');
+      const status = upload.querySelector('.sg-file-upload__status');
+      const submit = upload.querySelector('[type="submit"]');
+      let selectedFiles = [];
+      const formatSize = (bytes) => bytes < 1024 * 1024 ? `${Math.max(1, Math.round(bytes / 1024))} KB` : `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
+      const render = () => {
+        filesList.innerHTML = '';
+        selectedFiles.forEach((file, index) => {
+          const item = document.createElement('li');
+          item.className = 'sg-file-upload__file';
+          const name = document.createElement('span');
+          name.className = 'sg-file-upload__file-name';
+          name.textContent = file.name;
+          const meta = document.createElement('span');
+          meta.className = 'sg-file-upload__file-meta';
+          meta.textContent = ` · ${formatSize(file.size)}`;
+          name.append(meta);
+          const remove = document.createElement('button');
+          remove.className = 'sg-interaction-element sg-button sg-button--active sg-file-upload__remove';
+          remove.type = 'button';
+          remove.textContent = 'Entfernen';
+          remove.addEventListener('click', () => { selectedFiles.splice(index, 1); render(); });
+          item.append(name, remove);
+          filesList.append(item);
+        });
+        const count = selectedFiles.length;
+        status.textContent = count === 0 ? 'Noch keine Dateien ausgewählt.' : `${count} Datei${count === 1 ? '' : 'en'} ausgewählt.`;
+        submit.disabled = count === 0;
+        submit.setAttribute('aria-disabled', String(count === 0));
+        submit.classList.toggle('sg-button--process-inactive', count === 0);
+      };
+      trigger.addEventListener('click', () => input.click());
+      input.addEventListener('change', () => { selectedFiles = [...selectedFiles, ...Array.from(input.files)]; input.value = ''; render(); });
+      ['dragenter', 'dragover'].forEach((eventName) => dropzone.addEventListener(eventName, (event) => { event.preventDefault(); dropzone.dataset.dragOver = 'true'; }));
+      ['dragleave', 'drop'].forEach((eventName) => dropzone.addEventListener(eventName, (event) => { event.preventDefault(); dropzone.dataset.dragOver = 'false'; }));
+      dropzone.addEventListener('drop', (event) => { selectedFiles = [...selectedFiles, ...Array.from(event.dataTransfer.files)]; render(); });
+      render();
+    })();
+  </script>
+</body>
+</html>

docs/styleguide/patterns/scrollable-card.html

@@ -0,0 +1,52 @@
+<!doctype html>
+<html lang="de">
+<head>
+  <meta charset="UTF-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Styleguide – Pattern Scrollable Card</title>
+  <link rel="stylesheet" href="../styleguide.css">
+</head>
+<body>
+
+  <h1 class="sg-main-heading">Pattern – Scrollable Card</h1>
+
+  <section id="pattern-scrollable-card">
+    <p class="sg-preview-label">Pattern: Scrollable Card</p>
+    <p class="sg-body">Die Scrollable Card besitzt eine fixe Breite und Höhe. Header und Aktionsbereich bleiben sichtbar; ausschließlich der Inhaltsbereich ist scrollbar. Das Pattern ist unabhängig von Overlay-Patterns und kann bei Bedarf von diesen verwendet werden.</p>
+
+    <article class="sg-card sg-scrollable-card" data-pattern="scrollable-card" aria-label="Scrollable Card">
+      <header class="sg-card-segment sg-card-segment--header sg-card-segment--darkblue sg-scrollable-card__header" data-pattern-part="scrollable-card-header">
+        <div class="sg-strong">Scrollable Card</div>
+      </header>
+
+      <div class="sg-card-segment sg-card-segment--body sg-scrollable-card__content" data-pattern-part="scrollable-card-content" tabindex="0" aria-label="Scrollbarer Karteninhalt">
+        <p class="sg-body">Der Karteninhalt bleibt innerhalb der definierten Kartenhöhe. Bei längeren Inhalten entsteht hier ein eigener vertikaler Scrollbereich, während Titel und Aktionen sichtbar bleiben.</p>
+        <p class="sg-body">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer luctus, turpis vel porttitor cursus, nibh justo feugiat sem, sit amet egestas lorem arcu sed augue.</p>
+        <p class="sg-body">Donec sed lorem in urna sagittis aliquet. Suspendisse potenti. Curabitur blandit tempus porttitor. Maecenas faucibus mollis interdum.</p>
+        <p class="sg-body">Praesent commodo cursus magna, vel scelerisque nisl consectetur et. Aenean lacinia bibendum nulla sed consectetur.</p>
+        <p class="sg-body">Zusätzlicher Inhalt zur Demonstration des unabhängigen Scrollbereichs innerhalb der Card.</p>
+        <p class="sg-body">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed posuere consectetur est at lobortis. Cras mattis consectetur purus sit amet fermentum.</p>
+        <p class="sg-body">Maecenas sed diam eget risus varius blandit sit amet non magna. Donec ullamcorper nulla non metus auctor fringilla.</p>
+        <p class="sg-body">Nullam quis risus eget urna mollis ornare vel eu leo. Vestibulum id ligula porta felis euismod semper.</p>
+        <p class="sg-body">Aenean eu leo quam. Pellentesque ornare sem lacinia quam venenatis vestibulum. Etiam porta sem malesuada magna mollis euismod.</p>
+        <p class="sg-body">Integer posuere erat a ante venenatis dapibus posuere velit aliquet. Morbi leo risus, porta ac consectetur ac, vestibulum at eros.</p>
+        <p class="sg-body">Curabitur blandit tempus porttitor. Donec id elit non mi porta gravida at eget metus. Vestibulum ligula porta felis euismod semper.</p>
+        <p class="sg-body">Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.</p>
+        <p class="sg-body">Cras justo odio, dapibus ac facilisis in, egestas eget quam. Etiam porta sem malesuada magna mollis euismod.</p>
+        <p class="sg-body">Morbi risus porta ac consectetur ac, vestibulum at eros. Sed posuere consectetur est at lobortis.</p>
+        <p class="sg-body">Donec sed odio dui. Aenean lacinia bibendum nulla sed consectetur. Nulla vitae elit libero, a pharetra augue.</p>
+        <p class="sg-body">Vestibulum id ligula porta felis euismod semper. Donec ullamcorper nulla non metus auctor fringilla.</p>
+        <p class="sg-body">Der untere Aktionsbereich bleibt auch am Ende des Scrollvorgangs an seiner Position sichtbar.</p>
+      </div>
+
+      <footer class="sg-card-segment sg-card-segment--body sg-scrollable-card__actions-segment" data-pattern-part="scrollable-card-actions">
+        <div class="sg-scrollable-card__actions">
+          <button class="sg-interaction-element sg-button sg-button--active" type="button">Abbrechen</button>
+          <button class="sg-interaction-element sg-button sg-button--active" type="button">Speichern</button>
+        </div>
+      </footer>
+    </article>
+  </section>
+
+</body>
+</html>

docs/styleguide/semantic-tokens-patterns.html

@@ -63,6 +63,12 @@
       <tr><td>surface-object-card-lower-segment</td><td>color-white</td><td>Hintergrundfläche der unteren zwei Segmente der Object Card.</td></tr>
     </tbody></table>
 
+    <h3 class="sg-sub-heading sg-section-h3">Scrollable Card</h3>
+    <table class="sg-foundation-table sg-table-label"><thead><tr><th>Semantischer Token</th><th>Verwendeter Foundation-Token</th><th>Beschreibung Verwendungszweck im Pattern</th></tr></thead><tbody>
+      <tr><td>layout-scrollable-card-width</td><td>dimension-scrollable-card-width</td><td>Fixe Breite der Scrollable Card; kann im konsumierenden Portal individuell gesetzt werden.</td></tr>
+      <tr><td>layout-scrollable-card-height</td><td>dimension-scrollable-card-height</td><td>Fixe Höhe der Scrollable Card; kann im konsumierenden Portal individuell gesetzt werden.</td></tr>
+    </tbody></table>
+
     <h3 class="sg-sub-heading sg-section-h3">Object Group Card</h3>
     <table class="sg-foundation-table sg-table-label"><thead><tr><th>Semantischer Token</th><th>Verwendeter Foundation-Token</th><th>Beschreibung Verwendungszweck im Pattern</th></tr></thead><tbody>
       <tr><td>layout-object-group-card-min-width</td><td>dimension-object-group-card-min-width</td><td>Mindestbreite der einzelnen Karten im Pattern Object Group Card.</td></tr>
@@ -142,6 +148,14 @@
       <tr><td>layout-delete-confirmation-target-dim-opacity</td><td>opacity-delete-confirmation-target-dim</td><td>Deckkraft der grauen Überlagerung auf dem zu löschenden Objekt.</td></tr>
       <tr><td>layer-delete-confirmation-overlay</td><td>dimension-layer-delete-confirmation-overlay</td><td>Z-Index-Layer des schwebenden Bestätigungsfensters.</td></tr>
     </tbody></table>
+
+    <h3 class="sg-sub-heading sg-section-h3">Datei-Upload</h3>
+    <table class="sg-foundation-table sg-table-label"><thead><tr><th>Semantischer Token</th><th>Verwendeter Foundation-Token</th><th>Beschreibung Verwendungszweck im Pattern</th></tr></thead><tbody>
+      <tr><td>surface-file-upload-dropzone</td><td>surface-form-preview</td><td>Hintergrundfläche des auswählbaren Upload-Bereichs.</td></tr>
+      <tr><td>surface-file-upload-file-item</td><td>surface-control-default</td><td>Hintergrundfläche eines Eintrags in der Dateiliste.</td></tr>
+      <tr><td>text-file-upload-meta</td><td>text-control-disabled</td><td>Textfarbe für Dateigröße und ergänzende Dateimetadaten.</td></tr>
+      <tr><td>text-file-upload-error</td><td>color-signal-red</td><td>Textfarbe für Validierungs- und Upload-Fehlermeldungen.</td></tr>
+    </tbody></table>
   </section>
 
 </body>

docs/styleguide/styleguide.css

@@ -2,6 +2,7 @@
 @import "./styles/02-base.css";
 @import "./styles/03-typography-helpers.css";
 @import "./styles/10-components-interactive-elements.css";
+@import "./styles/47-patterns-file-upload.css";
 @import "./styles/20-patterns-portal-header.css";
 @import "./styles/21-patterns-options-row.css";
 @import "./styles/22-patterns-object-card.css";
@@ -26,3 +27,4 @@
 @import "./styles/43-components-typography.css";
 @import "./styles/44-components-public-page-components.css";
 @import "./styles/45-patterns-public-page-patterns.css";
+@import "./styles/46-patterns-scrollable-card.css";

docs/styleguide/styles/01-foundations.css

@@ -175,6 +175,8 @@
   --layout-object-card-mobile-width: var(--dimension-object-card-mobile-width);
   --layout-object-card-mobile-height: var(--dimension-object-card-mobile-height);
   --layout-object-card-desktop-breakpoint: var(--dimension-object-card-desktop-breakpoint);
+  --layout-scrollable-card-width: var(--dimension-scrollable-card-width);
+  --layout-scrollable-card-height: var(--dimension-scrollable-card-height);
   --layout-content-card-margin-top-desktop: var(--dimension-content-card-margin-top-desktop);
   --layout-content-card-margin-top-mobile: var(--dimension-content-card-margin-top-mobile);
   --layout-notification-card-width: var(--dimension-notification-card-width);
@@ -287,6 +289,8 @@
   --dimension-object-card-mobile-width: 100%;
   --dimension-object-card-mobile-height: auto;
   --dimension-object-card-desktop-breakpoint: 768px;
+  --dimension-scrollable-card-width: 600px;
+  --dimension-scrollable-card-height: 600px;
   --dimension-content-card-margin-top-desktop: 100px;
   --dimension-content-card-margin-top-mobile: 1rem;
   --dimension-object-group-card-min-width: 450px;

docs/styleguide/styles/10-components-interactive-elements.css

@@ -139,6 +139,13 @@
       color: var(--text-control-default);
     }
 
+    .sg-button--warning {
+      --surface-button-warning: var(--color-signal-red);
+      --text-button-warning: var(--color-font-light);
+      background: var(--surface-button-warning);
+      color: var(--text-button-warning);
+    }
+
     .sg-button--process {
       background: var(--surface-button-process);
       color: var(--text-button-process);
@@ -1578,3 +1585,52 @@
       color: var(--text-hyperlink);
       text-decoration: none;
     }
+
+/* Component: File Input */
+.sg-file-input {
+  width: 100%;
+}
+
+.sg-file-input__row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  width: 100%;
+}
+
+.sg-file-input__control {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+.sg-file-input:focus-within .sg-file-input__trigger {
+  outline: 2px solid var(--text-hyperlink);
+  outline-offset: 2px;
+}
+
+.sg-file-input__trigger {
+  align-self: flex-start;
+}
+
+@media (max-width: 48rem) {
+  .sg-file-input__row {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+}
+
+.sg-file-input--disabled {
+  opacity: var(--disabled-opacity);
+}
+
+.sg-file-input--disabled .sg-file-input__trigger {
+  cursor: not-allowed;
+}

docs/styleguide/styles/46-patterns-scrollable-card.css

@@ -0,0 +1,34 @@
+/* ========================================================= */
+/* Patterns: Scrollable Card                                 */
+/* ========================================================= */
+
+.sg-scrollable-card {
+  display: flex;
+  flex-direction: column;
+  width: var(--layout-scrollable-card-width);
+  max-width: 100%;
+  height: var(--layout-scrollable-card-height);
+  box-sizing: border-box;
+}
+
+.sg-scrollable-card__header,
+.sg-scrollable-card__actions-segment {
+  flex: 0 0 auto;
+}
+
+.sg-scrollable-card__content {
+  flex: 1 1 auto;
+  min-height: 0;
+  overflow-y: auto;
+}
+
+.sg-scrollable-card__actions {
+  display: flex;
+  gap: var(--spacing-small);
+  width: 100%;
+}
+
+.sg-scrollable-card__actions > .sg-button {
+  flex: 1 1 0;
+  min-width: 0;
+}

docs/styleguide/styles/47-patterns-file-upload.css

@@ -0,0 +1,91 @@
+/* ========================================================= */
+/* Patterns: Datei-Upload                                   */
+/* ========================================================= */
+
+.sg-file-upload {
+  --surface-file-upload-dropzone: var(--surface-form-preview);
+  --surface-file-upload-file-item: var(--surface-control-default);
+  --text-file-upload-meta: var(--text-control-disabled);
+  --text-file-upload-error: var(--color-signal-red);
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-large);
+  width: 100%;
+  max-width: var(--layout-input-field-max-width);
+}
+
+.sg-file-upload__status,
+.sg-file-upload__file-meta {
+  margin: var(--spacing-small) 0 0;
+}
+
+.sg-file-upload__dropzone {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  width: 100%;
+  padding: var(--spacing-large);
+  background: var(--surface-file-upload-dropzone);
+  border: 1px dashed var(--surface-button-active);
+  border-radius: var(--radius-interaction);
+}
+
+.sg-file-upload__dropzone[data-drag-over="true"] {
+  outline: 2px solid var(--text-hyperlink);
+  outline-offset: 2px;
+}
+
+.sg-file-upload__files {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-small);
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.sg-file-upload__file {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  padding: var(--spacing-small) var(--spacing-large);
+  color: var(--text-control-default);
+  background: var(--surface-file-upload-file-item);
+  border-radius: var(--radius-interaction);
+}
+
+.sg-file-upload__file-name {
+  min-width: 0;
+  overflow-wrap: anywhere;
+}
+
+.sg-file-upload__file-meta {
+  color: var(--text-file-upload-meta);
+}
+
+.sg-file-upload__remove {
+  flex: 0 0 auto;
+}
+
+.sg-file-upload__submit {
+  align-self: flex-end;
+}
+
+.sg-file-upload__error {
+  color: var(--text-file-upload-error);
+}
+
+@media (max-width: 48rem) {
+  .sg-file-upload__dropzone {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+
+  .sg-file-upload__file {
+    align-items: flex-start;
+    flex-direction: column;
+    gap: var(--spacing-small);
+  }
+}

modules/erp/artikel-mapping/service.php

@@ -129,10 +129,20 @@ function sellable_item_exists(PDO $pdo, int $sellableItemId): bool
 function find_sellable_item_for_product(PDO $pdo, int $productId): ?int
 {
     $stmt = $pdo->prepare(
-        'SELECT sellable_item_id
+        'SELECT sic.sellable_item_id
-         FROM sellable_item_component
+         FROM sellable_item_component sic
-         WHERE product_id = :product_id
+         INNER JOIN sellable_item si ON si.id = sic.sellable_item_id
-         ORDER BY id
+         INNER JOIN product p ON p.id = sic.product_id
+         WHERE sic.product_id = :product_id
+           AND sic.qty_per_item = 1
+           AND si.item_code = p.sku || \'.01\'
+           AND NOT EXISTS (
+               SELECT 1
+               FROM sellable_item_component other_sic
+               WHERE other_sic.sellable_item_id = sic.sellable_item_id
+                 AND other_sic.id <> sic.id
+           )
+         ORDER BY sic.id
          LIMIT 1'
     );
     $stmt->execute([':product_id' => $productId]);

modules/erp/bestellungen/service.php

@@ -374,6 +374,150 @@ function get_sales_order_overview(PDO $pdo, array $filters = []): array
     ];
 }
 
+function get_sales_order_detail(PDO $pdo, int $orderId): ?array
+{
+    $orderStmt = $pdo->prepare(
+        "SELECT
+            so.id,
+            so.external_ref,
+            so.order_date,
+            so.order_source,
+            so.order_status,
+            so.payment_status,
+            so.amount_net,
+            so.amount_shipping,
+            so.amount_tax,
+            so.amount_discount,
+            so.total_amount,
+            so.currency,
+            COALESCE(ad.first_name, '') AS first_name,
+            COALESCE(ad.last_name, '') AS last_name,
+            COALESCE(ad.street, '') AS street,
+            COALESCE(ad.house_number, '') AS house_number,
+            COALESCE(ad.zip, '') AS zip,
+            COALESCE(ad.city, '') AS city,
+            COALESCE(ad.country_name, '') AS country_name,
+            COALESCE(pm.label, '') AS payment_method,
+            COALESCE(sm.label, '') AS shipping_method
+         FROM sales_order so
+         LEFT JOIN LATERAL (
+             SELECT a.first_name, a.last_name, a.street, a.house_number, a.zip, a.city, a.country_name
+             FROM address a
+             WHERE a.party_id = so.party_id AND a.type IN ('shipping', 'billing')
+             ORDER BY CASE WHEN a.type = 'shipping' THEN 0 ELSE 1 END, a.id DESC
+             LIMIT 1
+         ) ad ON TRUE
+         LEFT JOIN payment_method pm ON pm.id = so.payment_method_id
+         LEFT JOIN shipping_method sm ON sm.id = so.shipping_method_id
+         WHERE so.id = :order_id"
+    );
+    $orderStmt->execute([':order_id' => $orderId]);
+    $order = $orderStmt->fetch();
+    if (!is_array($order)) {
+        return null;
+    }
+
+    $lineStmt = $pdo->prepare(
+        "SELECT
+            sol.id,
+            sol.line_no,
+            sol.sellable_item_id,
+            COALESCE(si.item_code, sol.raw_external_article_number, '') AS item_code,
+            COALESCE(si.display_name, sol.raw_external_title, '') AS item_name,
+            COALESCE(sol.raw_external_article_number, '') AS raw_article_number,
+            COALESCE(sol.raw_external_title, '') AS raw_title,
+            sol.sku,
+            sol.qty,
+            sol.qty_cancelled,
+            sol.line_status,
+            sol.unit_price,
+            sol.line_total,
+            sic.product_id,
+            p.name AS product_name,
+            sic.qty_per_item,
+            a.id AS allocation_id,
+            a.qty AS allocated_qty,
+            a.allocation_status,
+            sl.lot_number,
+            sl.status AS lot_status
+         FROM sales_order_line sol
+         LEFT JOIN sellable_item si ON si.id = sol.sellable_item_id
+         LEFT JOIN sellable_item_component sic ON sic.sellable_item_id = sol.sellable_item_id
+         LEFT JOIN product p ON p.id = sic.product_id
+         LEFT JOIN sales_order_line_lot_allocation a
+           ON a.sales_order_line_id = sol.id AND a.product_id = sic.product_id
+         LEFT JOIN stock_lot sl ON sl.id = a.lot_id
+         WHERE sol.sales_order_id = :order_id
+         ORDER BY sol.line_no, p.name NULLS LAST, a.id"
+    );
+    $lineStmt->execute([':order_id' => $orderId]);
+
+    $lines = [];
+    foreach ($lineStmt->fetchAll() as $row) {
+        $lineId = (int) $row['id'];
+        if (!isset($lines[$lineId])) {
+            $lines[$lineId] = [
+                'id' => $lineId,
+                'line_no' => (int) $row['line_no'],
+                'item_code' => (string) $row['item_code'],
+                'item_name' => (string) $row['item_name'],
+                'raw_article_number' => (string) $row['raw_article_number'],
+                'raw_title' => (string) $row['raw_title'],
+                'sku' => (string) ($row['sku'] ?? ''),
+                'qty' => (float) $row['qty'],
+                'qty_cancelled' => (float) $row['qty_cancelled'],
+                'line_status' => (string) $row['line_status'],
+                'unit_price' => $row['unit_price'] !== null ? (float) $row['unit_price'] : null,
+                'line_total' => $row['line_total'] !== null ? (float) $row['line_total'] : null,
+                'product_allocations' => [],
+            ];
+        }
+
+        if ($row['product_id'] !== null) {
+            $lines[$lineId]['product_allocations'][] = [
+                'product_id' => (int) $row['product_id'],
+                'product_name' => (string) $row['product_name'],
+                'requested_qty' => (float) $row['qty'] * (float) $row['qty_per_item'],
+                'allocated_qty' => $row['allocated_qty'] !== null ? (float) $row['allocated_qty'] : null,
+                'allocation_status' => $row['allocation_status'] !== null ? (string) $row['allocation_status'] : null,
+                'lot_number' => $row['lot_number'] !== null ? (string) $row['lot_number'] : null,
+                'lot_status' => $row['lot_status'] !== null ? (string) $row['lot_status'] : null,
+            ];
+        }
+    }
+
+    $detail = [
+        'id' => (int) $order['id'],
+        'external_ref' => (string) $order['external_ref'],
+        'order_date' => (string) $order['order_date'],
+        'order_source' => (string) $order['order_source'],
+        'order_status' => (string) $order['order_status'],
+        'payment_status' => (string) $order['payment_status'],
+        'payment_method' => (string) $order['payment_method'],
+        'shipping_method' => (string) $order['shipping_method'],
+        'customer' => [
+            'first_name' => (string) $order['first_name'],
+            'last_name' => (string) $order['last_name'],
+            'street' => (string) $order['street'],
+            'house_number' => (string) $order['house_number'],
+            'zip' => (string) $order['zip'],
+            'city' => (string) $order['city'],
+            'country_name' => (string) $order['country_name'],
+        ],
+        'amounts' => [
+            'net' => $order['amount_net'] !== null ? (float) $order['amount_net'] : null,
+            'shipping' => $order['amount_shipping'] !== null ? (float) $order['amount_shipping'] : null,
+            'tax' => $order['amount_tax'] !== null ? (float) $order['amount_tax'] : null,
+            'discount' => $order['amount_discount'] !== null ? (float) $order['amount_discount'] : null,
+            'total' => $order['total_amount'] !== null ? (float) $order['total_amount'] : null,
+            'currency' => (string) $order['currency'],
+        ],
+        'lines' => array_values($lines),
+    ];
+
+    return $detail;
+}
+
 function get_sales_order_realtime_snapshot(PDO $pdo, int $limit = 1000): array
 {
     $limit = max(1, min(2000, $limit));

modules/erp/direktverkauf/api/otc-order.php

@@ -30,7 +30,7 @@ if (!is_array($data)) {
     json_response(400, ['ok' => false, 'error' => 'JSON object expected']);
 }
 
-$required = ['products', 'totalPrice', 'orderDate', 'payments', 'billing'];
+$required = ['products', 'orderDate', 'payments', 'billing'];
 foreach ($required as $field) {
     if (!array_key_exists($field, $data)) {
         json_response(422, ['ok' => false, 'error' => "Missing field: {$field}"]);
@@ -38,7 +38,6 @@ foreach ($required as $field) {
 }
 
 $products = $data['products'];
-$totalPrice = parse_number($data['totalPrice']);
 $orderDate = trim((string) $data['orderDate']);
 $payments = $data['payments'];
 $billing = is_array($data['billing']) ? $data['billing'] : [];
@@ -51,10 +50,6 @@ if (!is_array($payments) || count($payments) === 0) {
     json_response(422, ['ok' => false, 'error' => 'No payment methods specified']);
 }
 
-if ($totalPrice === null || $totalPrice <= 0) {
-    json_response(422, ['ok' => false, 'error' => 'Invalid total price']);
-}
-
 $orderDateTime = DateTimeImmutable::createFromFormat('!Y-m-d', $orderDate);
 $orderDateErrors = DateTimeImmutable::getLastErrors();
 if ($orderDateTime === false) {
@@ -109,10 +104,12 @@ foreach ($payments as $payment) {
     $paymentTotal = round($paymentTotal + (float) $amount, 2);
 }
 
-if (abs($paymentTotal - (float) $totalPrice) > 0.005) {
+if ($paymentTotal <= 0) {
-    json_response(422, ['ok' => false, 'error' => 'Payment amounts must equal total price']);
+    json_response(422, ['ok' => false, 'error' => 'Payment total must be greater than zero']);
 }
 
+$totalPrice = $paymentTotal;
+
 try {
     $env = expand_env_values(parse_env_file(__DIR__ . '/../../../../.env'));
     $pdo = connect_database($env);

modules/erp/import-integration/shopify-delta-run.php

@@ -33,6 +33,77 @@ function shopify_delta_start_run(PDO $pdo, string $cutoff, bool $dryRun): int
     return (int) $stmt->fetchColumn();
 }
 
+function shopify_delta_reconciliation_cutoff(PDO $pdo): string
+{
+    $stateStmt = $pdo->prepare(
+        'SELECT last_successful_cutoff
+         FROM shopify_delta_sync_state
+         WHERE process_name = :process_name'
+    );
+    $stateStmt->execute([':process_name' => 'erp.import-integration.shopify_delta_order_import']);
+    $state = $stateStmt->fetchColumn();
+    if ($state === false || trim((string) $state) === '') {
+        throw new RuntimeException('Shopify-Delta-Wasserstand fehlt');
+    }
+
+    $pendingStmt = $pdo->query(
+        "SELECT MIN(received_at)
+         FROM shopify_webhook_event
+         WHERE status IN ('received', 'processing', 'failed')
+           AND shopify_order_gid IS NOT NULL"
+    );
+    $pending = $pendingStmt->fetchColumn();
+    if ($pending === false || $pending === null) {
+        return (string) $state;
+    }
+
+    $stateDate = new DateTimeImmutable((string) $state);
+    $pendingDate = new DateTimeImmutable((string) $pending);
+    return ($pendingDate < $stateDate ? $pendingDate : $stateDate)->format(DATE_ATOM);
+}
+
+function shopify_delta_load_pending_order_gids(PDO $pdo): array
+{
+    $stmt = $pdo->query(
+        "SELECT DISTINCT shopify_order_gid
+         FROM shopify_webhook_event
+         WHERE status IN ('received', 'processing', 'failed')
+           AND shopify_order_gid IS NOT NULL
+         ORDER BY shopify_order_gid"
+    );
+    return array_values(array_filter(array_map(
+        static fn (mixed $value): string => trim((string) $value),
+        $stmt->fetchAll(PDO::FETCH_COLUMN)
+    ), static fn (string $value): bool => $value !== ''));
+}
+
+function shopify_delta_mark_order_events_processed(PDO $pdo, string $orderGid): void
+{
+    $stmt = $pdo->prepare(
+        "UPDATE shopify_webhook_event
+         SET status = 'processed', processed_at = NOW(), error_code = NULL, error_message = NULL
+         WHERE shopify_order_gid = :shopify_order_gid
+           AND status IN ('received', 'processing', 'failed')"
+    );
+    $stmt->execute([':shopify_order_gid' => $orderGid]);
+}
+
+function shopify_delta_store_watermark(PDO $pdo, string $cutoff): void
+{
+    $stmt = $pdo->prepare(
+        'UPDATE shopify_delta_sync_state
+         SET last_successful_cutoff = :cutoff, updated_at = NOW()
+         WHERE process_name = :process_name'
+    );
+    $stmt->execute([
+        ':cutoff' => $cutoff,
+        ':process_name' => 'erp.import-integration.shopify_delta_order_import',
+    ]);
+    if ($stmt->rowCount() !== 1) {
+        throw new RuntimeException('Shopify-Delta-Wasserstand konnte nicht gespeichert werden');
+    }
+}
+
 function shopify_delta_finish_run(PDO $pdo, int $runId, string $status, array $result, ?Throwable $error = null): void
 {
     $stmt = $pdo->prepare(
@@ -75,7 +146,7 @@ GQL;
     return $orders;
 }
 
-function run_shopify_delta(array $env, PDO $pdo, string $cutoff, bool $dryRun): array
+function run_shopify_delta(array $env, PDO $pdo, string $cutoff, bool $dryRun, array $recoveryOrderGids = []): array
 {
     $cutoffDate = new DateTimeImmutable($cutoff);
     $searchQuery = 'created_at:>' . $cutoffDate->format('Y-m-d');
@@ -90,14 +161,31 @@ function run_shopify_delta(array $env, PDO $pdo, string $cutoff, bool $dryRun):
         'clarification_order_gids' => [],
     ];
 
+    $ordersByGid = [];
     foreach (shopify_delta_load_orders($env, $searchQuery) as $summaryOrder) {
+        $orderGid = trim((string) ($summaryOrder['id'] ?? ''));
+        if ($orderGid !== '') {
+            $ordersByGid[$orderGid] = $summaryOrder;
+        }
+    }
+    foreach ($recoveryOrderGids as $recoveryOrderGid) {
+        if (!isset($ordersByGid[$recoveryOrderGid])) {
+            $ordersByGid[$recoveryOrderGid] = shopify_load_order_by_gid($env, $recoveryOrderGid);
+        }
+    }
+
+    $recoverySet = array_fill_keys($recoveryOrderGids, true);
+    foreach ($ordersByGid as $orderGid => $summaryOrder) {
         $createdAt = new DateTimeImmutable((string) ($summaryOrder['createdAt'] ?? ''));
-        if ($createdAt <= $cutoffDate) {
+        if (!isset($recoverySet[$orderGid]) && $createdAt <= $cutoffDate) {
             continue;
         }
         $counters['checked_orders']++;
         if (($summaryOrder['cancelledAt'] ?? null) !== null || strtoupper((string) ($summaryOrder['displayFinancialStatus'] ?? '')) === 'REFUNDED') {
             $counters['skipped_cancelled_or_refunded']++;
+            if (!$dryRun) {
+                shopify_delta_mark_order_events_processed($pdo, (string) $summaryOrder['id']);
+            }
             continue;
         }
 
@@ -121,8 +209,14 @@ function run_shopify_delta(array $env, PDO $pdo, string $cutoff, bool $dryRun):
             }
             if (($result['status'] ?? '') === 'already_imported') {
                 $counters['already_imported']++;
+                if (!$dryRun && isset($recoverySet[(string) $summaryOrder['id']])) {
+                    shopify_delta_mark_order_events_processed($pdo, (string) $summaryOrder['id']);
+                }
             } else {
                 $counters['handed_off']++;
+                if (!$dryRun) {
+                    shopify_delta_mark_order_events_processed($pdo, (string) $summaryOrder['id']);
+                }
             }
         } catch (Throwable $error) {
             $counters['status'] = 'partial_success';

modules/erp/import-integration/shopify-webhook-worker.php

@@ -132,19 +132,21 @@ function shopify_webhook_worker_run(PDO $pdo, array $env, int $limit): array
     }
 }
 
-$argvLimit = 20;
+if (PHP_SAPI === 'cli' && realpath($_SERVER['SCRIPT_FILENAME'] ?? '') === __FILE__) {
-foreach ($argv as $argument) {
+    $argvLimit = 20;
+    foreach ($argv as $argument) {
         if (str_starts_with($argument, '--limit=')) {
             $argvLimit = max(1, min(100, (int) substr($argument, 8)));
         }
-}
+    }
 
-try {
+    try {
         $env = expand_env_values(parse_env_file(__DIR__ . '/../../../.env'));
         $pdo = connect_database($env);
         echo json_encode(shopify_webhook_worker_run($pdo, $env, $argvLimit), JSON_UNESCAPED_SLASHES) . PHP_EOL;
         exit(0);
-} catch (Throwable $error) {
+    } catch (Throwable $error) {
         fwrite(STDERR, $error->getMessage() . PHP_EOL);
         exit(1);
+    }
 }

modules/erp/kontakte/service.php

@@ -103,3 +103,85 @@ function upsert_addresses(PDO $pdo, int $partyId, array $data): void
         ]);
     }
 }
+
+function get_manufacturer_options(PDO $pdo): array
+{
+    $stmt = $pdo->query(
+        "SELECT p.id, p.name, p.email, p.phone
+         FROM party p
+         INNER JOIN party_role pr ON pr.party_id = p.id AND pr.role_code = 'manufacturer'
+         WHERE p.status = 'active'
+         ORDER BY p.name ASC, p.id ASC"
+    );
+
+    return array_map(
+        static fn (array $row): array => [
+            'id' => (int) $row['id'],
+            'name' => (string) $row['name'],
+            'email' => (string) ($row['email'] ?? ''),
+            'phone' => (string) ($row['phone'] ?? ''),
+        ],
+        $stmt->fetchAll()
+    );
+}
+
+function create_manufacturer(PDO $pdo, string $name, ?string $email = null, ?string $phone = null): array
+{
+    $name = trim($name);
+    $email = $email !== null ? trim($email) : null;
+    $phone = $phone !== null ? trim($phone) : null;
+
+    if ($name === '') {
+        throw new InvalidArgumentException('Herstellername fehlt');
+    }
+
+    $existingStmt = $pdo->prepare(
+        "SELECT p.id, p.name, p.email, p.phone
+         FROM party p
+         WHERE LOWER(TRIM(p.name)) = LOWER(:name)
+         LIMIT 1
+         FOR UPDATE"
+    );
+    $existingStmt->execute([':name' => $name]);
+    $existing = $existingStmt->fetch();
+    if (is_array($existing)) {
+        $roleStmt = $pdo->prepare(
+            "INSERT INTO party_role (party_id, role_code) VALUES (:party_id, 'manufacturer')
+             ON CONFLICT (party_id, role_code) DO NOTHING"
+        );
+        $roleStmt->execute([':party_id' => (int) $existing['id']]);
+        return [
+            'id' => (int) $existing['id'],
+            'name' => (string) $existing['name'],
+            'email' => (string) ($existing['email'] ?? ''),
+            'phone' => (string) ($existing['phone'] ?? ''),
+        ];
+    }
+
+    $stmt = $pdo->prepare(
+        "INSERT INTO party (type, name, email, phone, status, created_at, updated_at)
+         VALUES ('supplier', :name, :email, :phone, 'active', NOW(), NOW())
+         RETURNING id, name, email, phone"
+    );
+    $stmt->execute([
+        ':name' => $name,
+        ':email' => $email !== '' ? $email : null,
+        ':phone' => $phone !== '' ? $phone : null,
+    ]);
+    $party = $stmt->fetch();
+    if (!is_array($party)) {
+        throw new RuntimeException('Hersteller konnte nicht angelegt werden');
+    }
+
+    $roleStmt = $pdo->prepare(
+        "INSERT INTO party_role (party_id, role_code) VALUES (:party_id, 'manufacturer')"
+    );
+    $roleStmt->execute([':party_id' => (int) $party['id']]);
+
+    return [
+        'id' => (int) $party['id'],
+        'name' => (string) $party['name'],
+        'email' => (string) ($party['email'] ?? ''),
+        'phone' => (string) ($party['phone'] ?? ''),
+    ];
+}

modules/erp/lager/api/lot.php

@@ -0,0 +1,163 @@
+<?php
+declare(strict_types=1);
+
+require_once __DIR__ . '/../../../shared/db.php';
+require_once __DIR__ . '/../../../shared/auth/service.php';
+require_once __DIR__ . '/../../kontakte/service.php';
+require_once __DIR__ . '/../service.php';
+
+$env = expand_env_values(parse_env_file(__DIR__ . '/../../../../.env'));
+
+try {
+    $pdo = connect_database($env);
+    auth_bootstrap_session();
+    $currentUser = auth_current_user($pdo);
+    if ($currentUser === null) {
+        json_response(401, ['ok' => false, 'error' => 'Unauthorized']);
+    }
+
+    if (($_SERVER['REQUEST_METHOD'] ?? '') !== 'POST') {
+        json_response(405, ['ok' => false, 'error' => 'Method Not Allowed']);
+    }
+
+    $contentType = (string) ($_SERVER['CONTENT_TYPE'] ?? '');
+    if (str_starts_with($contentType, 'multipart/form-data')) {
+        if (!auth_validate_csrf_token($_POST['csrfToken'] ?? null)) {
+            json_response(403, ['ok' => false, 'error' => 'Invalid security token']);
+        }
+        if (($_POST['action'] ?? '') !== 'upload_document') {
+            json_response(422, ['ok' => false, 'error' => 'Unsupported action']);
+        }
+        $file = $_FILES['document'] ?? null;
+        if (!is_array($file)) {
+            throw new InvalidArgumentException('Dokumentdatei fehlt');
+        }
+        $document = upload_stock_lot_document(
+            $pdo,
+            (int) ($_POST['lotId'] ?? 0),
+            $file,
+            (string) ($currentUser['username'] ?? $currentUser['email'] ?? 'unknown')
+        );
+        json_response(201, ['ok' => true, 'document' => [
+            'id' => (int) $document['id'],
+            'original_filename' => (string) $document['original_filename'],
+        ]]);
+    }
+
+    $jsonInput = file_get_contents('php://input');
+    if ($jsonInput === false || trim($jsonInput) === '') {
+        json_response(400, ['ok' => false, 'error' => 'Empty payload']);
+    }
+
+    $data = json_decode($jsonInput, true, 512, JSON_THROW_ON_ERROR);
+    if (!is_array($data) || !auth_validate_csrf_token($data['csrfToken'] ?? null)) {
+        json_response(403, ['ok' => false, 'error' => 'Invalid security token']);
+    }
+
+    $action = trim((string) ($data['action'] ?? ''));
+    if ($action === 'create_manufacturer') {
+        $manufacturer = create_manufacturer(
+            $pdo,
+            (string) ($data['name'] ?? ''),
+            isset($data['email']) ? (string) $data['email'] : null,
+            isset($data['phone']) ? (string) $data['phone'] : null
+        );
+        json_response(201, ['ok' => true, 'manufacturer' => $manufacturer]);
+    }
+
+    if ($action === 'update_lot') {
+        $manufacturerPartyId = $data['manufacturerPartyId'] ?? null;
+        $manufacturerPartyId = $manufacturerPartyId === null || $manufacturerPartyId === ''
+            ? null
+            : (int) $manufacturerPartyId;
+        $receiptQty = isset($data['receiptQty']) && $data['receiptQty'] !== '' ? (float) $data['receiptQty'] : 0.0;
+        $adjustmentQty = isset($data['adjustmentQty']) && $data['adjustmentQty'] !== '' ? (float) $data['adjustmentQty'] : 0.0;
+        $outQty = isset($data['outQty']) && $data['outQty'] !== '' ? (float) $data['outQty'] : 0.0;
+        $updatedLot = update_stock_lot_traceability(
+            $pdo,
+            (int) ($data['lotId'] ?? 0),
+            $manufacturerPartyId,
+            isset($data['manufacturerLotNumber']) ? (string) $data['manufacturerLotNumber'] : null,
+            isset($data['mfgDate']) ? (string) $data['mfgDate'] : null,
+            isset($data['expiryDate']) ? (string) $data['expiryDate'] : null,
+            isset($data['purchaseDate']) ? (string) $data['purchaseDate'] : null,
+            (string) ($currentUser['username'] ?? $currentUser['email'] ?? 'unknown'),
+            $receiptQty,
+            $adjustmentQty,
+            $outQty
+        );
+        $productId = (int) $updatedLot['product_id'];
+        refresh_lager_stock_lot_forecast_for_product($pdo, $productId);
+        $forecast = get_lager_product_forecast($pdo, $productId);
+        json_response(200, ['ok' => true, 'productId' => $productId, 'lot' => $updatedLot, 'balance' => get_stock_lot_balance($pdo, (int) ($data['lotId'] ?? 0)), 'forecast' => $forecast]);
+    }
+
+    if ($action === 'delete_open_lot') {
+        $productId = delete_open_stock_lot(
+            $pdo,
+            (int) ($data['lotId'] ?? 0),
+            (string) ($currentUser['username'] ?? $currentUser['email'] ?? 'unknown')
+        );
+        json_response(200, ['ok' => true, 'productId' => $productId, 'availableQty' => get_lager_product_available_qty($pdo, $productId)]);
+    }
+
+    if ($action === 'delete_document') {
+        delete_stock_lot_document($pdo, (int) ($data['documentId'] ?? 0));
+        json_response(200, ['ok' => true]);
+    }
+
+    if ($action === 'prepare_lot') {
+        $productId = (int) ($data['productId'] ?? 0);
+        $lotNumber = trim((string) ($data['lotNumber'] ?? ''));
+        $lotId = (int) ($data['lotId'] ?? 0);
+        if ($lotNumber === '' && $lotId <= 0) {
+            throw new InvalidArgumentException('Naurua-Chargennummer fehlt');
+        }
+        if ($lotId > 0) {
+            $lotStmt = $pdo->prepare(
+                "SELECT id
+                 FROM stock_lot
+                 WHERE id = :lot_id
+                   AND product_id = :product_id
+                   AND status = 'open'"
+            );
+            $lotStmt->execute([':lot_id' => $lotId, ':product_id' => $productId]);
+            if ($lotStmt->fetchColumn() === false) {
+                throw new InvalidArgumentException('Offene Charge nicht gefunden');
+            }
+        } else {
+            $lotId = get_or_create_open_lot($pdo, $productId);
+        }
+        $manufacturerPartyId = $data['manufacturerPartyId'] ?? null;
+        $manufacturerPartyId = $manufacturerPartyId === null || $manufacturerPartyId === '' ? null : (int) $manufacturerPartyId;
+        $receiptQty = isset($data['receiptQty']) && $data['receiptQty'] !== '' ? (float) $data['receiptQty'] : 0.0;
+        $targetQty = isset($data['targetQty']) && $data['targetQty'] !== '' ? (float) $data['targetQty'] : null;
+        $preparedLot = update_stock_lot_traceability(
+            $pdo,
+            $lotId,
+            $manufacturerPartyId,
+            isset($data['manufacturerLotNumber']) ? (string) $data['manufacturerLotNumber'] : null,
+            isset($data['mfgDate']) ? (string) $data['mfgDate'] : null,
+            isset($data['expiryDate']) ? (string) $data['expiryDate'] : null,
+            isset($data['purchaseDate']) ? (string) $data['purchaseDate'] : null,
+            (string) ($currentUser['username'] ?? $currentUser['email'] ?? 'unknown'),
+            $receiptQty,
+            0.0,
+            0.0,
+            $lotNumber,
+            $targetQty,
+            $lotId > 0 && $lotNumber === ''
+        );
+        refresh_lager_stock_lot_forecast_for_product($pdo, $productId);
+        $forecast = get_lager_product_forecast($pdo, $productId);
+        json_response(200, ['ok' => true, 'productId' => $productId, 'lot' => $preparedLot, 'balance' => get_stock_lot_balance($pdo, $lotId), 'availableQty' => get_lager_product_available_qty($pdo, $productId), 'forecast' => $forecast]);
+    }
+
+    json_response(422, ['ok' => false, 'error' => 'Unsupported action']);
+} catch (JsonException) {
+    json_response(400, ['ok' => false, 'error' => 'Invalid JSON payload']);
+} catch (InvalidArgumentException $error) {
+    json_response(422, ['ok' => false, 'error' => $error->getMessage()]);
+} catch (Throwable $error) {
+    json_response(500, ['ok' => false, 'error' => 'Interner Serverfehler']);
+}

modules/erp/lager/forecast.php

@@ -35,7 +35,12 @@ function lager_forecast_load_current_lots(PDO $pdo): array
 {
     $stmt = $pdo->query(
         "SELECT p.id AS product_id, p.sku, sl.id AS lot_id,
-                COALESCE(v.qty_net, 0) AS physical_qty
+                COALESCE(v.qty_net, 0) + COALESCE((
+                    SELECT SUM(GREATEST(COALESCE(open_v.qty_net, 0), 0))
+                    FROM stock_lot open_lot
+                    LEFT JOIN v_stock_lot_balance open_v ON open_v.stock_lot_id = open_lot.id
+                    WHERE open_lot.product_id = p.id AND open_lot.status = 'open'
+                ), 0) AS physical_qty
          FROM product p
          LEFT JOIN stock_lot sl ON sl.product_id = p.id AND sl.status = 'current'
          LEFT JOIN v_stock_lot_balance v ON v.stock_lot_id = sl.id
@@ -49,7 +54,12 @@ function lager_forecast_load_current_lot(PDO $pdo, int $productId): ?array
 {
     $stmt = $pdo->prepare(
         "SELECT p.id AS product_id, p.sku, sl.id AS lot_id,
-                COALESCE(v.qty_net, 0) AS physical_qty
+                COALESCE(v.qty_net, 0) + COALESCE((
+                    SELECT SUM(GREATEST(COALESCE(open_v.qty_net, 0), 0))
+                    FROM stock_lot open_lot
+                    LEFT JOIN v_stock_lot_balance open_v ON open_v.stock_lot_id = open_lot.id
+                    WHERE open_lot.product_id = p.id AND open_lot.status = 'open'
+                ), 0) AS physical_qty
          FROM product p
          LEFT JOIN stock_lot sl ON sl.product_id = p.id AND sl.status = 'current'
          LEFT JOIN v_stock_lot_balance v ON v.stock_lot_id = sl.id

modules/erp/lager/service.php

@@ -2,6 +2,7 @@
 declare(strict_types=1);
 
 require_once __DIR__ . '/forecast.php';
+require_once __DIR__ . '/../../system/audit.php';
 
 function get_default_location_ids(PDO $pdo): array
 {
@@ -74,12 +75,33 @@ function get_lager_product_overview(PDO $pdo): array
             p.name,
             p.sku,
             p.uom,
-            COALESCE(SUM(v.qty_net), 0) AS available_qty,
+            COALESCE(SUM(v.qty_net), 0) + COALESCE((
+                SELECT SUM(open_v.qty_net)
+                FROM stock_lot open_sl
+                INNER JOIN v_stock_lot_balance open_v ON open_v.stock_lot_id = open_sl.id
+                WHERE open_sl.product_id = p.id
+                  AND open_sl.status = 'open'
+            ), 0) AS available_qty,
+            COALESCE(v.qty_net, 0) AS current_qty,
+            COALESCE(v.qty_in, 0) AS qty_in,
             sl.lot_number,
-            sl.supplier_lot_number,
+            sl.id AS lot_id,
+            sl.manufacturer_party_id,
+            sl.manufacturer_lot_number,
+            mp.name AS manufacturer_name,
+            sl.mfg_date,
             sl.expiry_date,
+            sl.purchase_date,
             sl.sellout_date,
             sl.sellout_forecast_status,
+            COALESCE((
+                SELECT SUM(a.qty)
+                FROM sales_order_line_lot_allocation a
+                INNER JOIN stock_lot virtual_lot ON virtual_lot.id = a.lot_id
+                WHERE virtual_lot.product_id = p.id
+                  AND virtual_lot.status = 'virtual_shortage'
+                  AND a.allocation_status = 'reserved'
+            ), 0) AS virtual_shortage_qty,
             (
                 SELECT virtual_lot.lot_number
                 FROM stock_lot virtual_lot
@@ -92,30 +114,496 @@ function get_lager_product_overview(PDO $pdo): array
          LEFT JOIN stock_lot sl
              ON sl.product_id = p.id
             AND sl.status = 'current'
+         LEFT JOIN party mp ON mp.id = sl.manufacturer_party_id
          LEFT JOIN v_stock_lot_balance v
              ON v.stock_lot_id = sl.id
          WHERE p.status = 'active'
-         GROUP BY p.id, p.name, p.sku, p.uom, sl.lot_number, sl.supplier_lot_number,
+         GROUP BY p.id, p.name, p.sku, p.uom, sl.id, sl.lot_number, sl.manufacturer_party_id,
-                  sl.expiry_date, sl.sellout_date, sl.sellout_forecast_status
+                  sl.manufacturer_lot_number, mp.name, sl.mfg_date, sl.expiry_date, sl.purchase_date,
+                  sl.sellout_date, sl.sellout_forecast_status, v.qty_net, v.qty_in
          ORDER BY p.name ASC, p.id ASC"
     );
 
-    return array_map(
+    $products = array_map(
         static fn (array $row): array => [
             'id' => (int) $row['id'],
             'name' => (string) $row['name'],
             'sku' => (string) $row['sku'],
             'uom' => (string) $row['uom'],
             'available_qty' => (float) $row['available_qty'],
+            'current_qty' => (float) $row['current_qty'],
+            'qty_in' => (float) $row['qty_in'],
+            'lot_id' => $row['lot_id'] === null ? null : (int) $row['lot_id'],
             'lot_number' => $row['lot_number'],
-            'supplier_lot_number' => $row['supplier_lot_number'],
+            'manufacturer_party_id' => $row['manufacturer_party_id'] === null ? null : (int) $row['manufacturer_party_id'],
+            'manufacturer_lot_number' => $row['manufacturer_lot_number'],
+            'manufacturer_name' => $row['manufacturer_name'],
+            'mfg_date' => $row['mfg_date'],
             'expiry_date' => $row['expiry_date'],
+            'purchase_date' => $row['purchase_date'],
             'sellout_date' => $row['sellout_date'],
             'sellout_forecast_status' => (string) ($row['sellout_forecast_status'] ?? 'no_demand'),
+            'virtual_shortage_qty' => (float) ($row['virtual_shortage_qty'] ?? 0),
             'virtual_lot_number' => $row['virtual_lot_number'],
         ],
         $stmt->fetchAll()
     );
+
+    $historicalStmt = $pdo->query(
+        "SELECT
+            sl.product_id,
+            sl.id AS lot_id,
+            sl.lot_number,
+            sl.mfg_date,
+            sl.expiry_date,
+            sl.purchase_date,
+            sl.manufacturer_lot_number,
+            mp.name AS manufacturer_name,
+            COALESCE(v.qty_in, 0) AS qty_in,
+            COALESCE(v.qty_out, 0) AS qty_out,
+            COALESCE(v.qty_net, 0) AS qty_net,
+            MIN(sm.move_date) FILTER (WHERE sm.move_type = 'in') AS first_in_at,
+            MAX(sm.move_date) FILTER (WHERE sm.move_type = 'out') AS last_out_at
+         FROM stock_lot sl
+         LEFT JOIN party mp ON mp.id = sl.manufacturer_party_id
+         LEFT JOIN v_stock_lot_balance v ON v.stock_lot_id = sl.id
+         LEFT JOIN stock_move sm ON sm.lot_id = sl.id
+         WHERE sl.status = 'closed'
+           AND sl.lot_number NOT LIKE 'INIT-%'
+         GROUP BY sl.product_id, sl.id, sl.lot_number, sl.mfg_date, sl.expiry_date,
+                  sl.purchase_date, sl.manufacturer_lot_number, mp.name,
+                  v.qty_in, v.qty_out, v.qty_net
+         ORDER BY sl.product_id, sl.id DESC"
+    );
+
+    $historicalLotsByProduct = [];
+    foreach ($historicalStmt->fetchAll() as $row) {
+        $historicalLotsByProduct[(int) $row['product_id']][] = [
+            'lot_id' => (int) $row['lot_id'],
+            'lot_number' => $row['lot_number'],
+            'mfg_date' => $row['mfg_date'],
+            'expiry_date' => $row['expiry_date'],
+            'purchase_date' => $row['purchase_date'],
+            'manufacturer_lot_number' => $row['manufacturer_lot_number'],
+            'manufacturer_name' => $row['manufacturer_name'],
+            'qty_in' => (float) $row['qty_in'],
+            'qty_out' => (float) $row['qty_out'],
+            'qty_net' => (float) $row['qty_net'],
+            'first_in_at' => $row['first_in_at'],
+            'last_out_at' => $row['last_out_at'],
+        ];
+    }
+
+    $openStmt = $pdo->query(
+        "SELECT
+            sl.product_id,
+            sl.id AS lot_id,
+            sl.lot_number,
+            sl.manufacturer_party_id,
+            sl.manufacturer_lot_number,
+            mp.name AS manufacturer_name,
+            sl.mfg_date,
+            sl.expiry_date,
+            sl.purchase_date,
+            COALESCE(v.qty_in, 0) AS qty_in,
+            COALESCE(v.qty_net, 0) AS qty_net
+         FROM stock_lot sl
+         LEFT JOIN party mp ON mp.id = sl.manufacturer_party_id
+         LEFT JOIN v_stock_lot_balance v ON v.stock_lot_id = sl.id
+         WHERE sl.status = 'open'
+         ORDER BY sl.product_id, sl.id"
+    );
+    $openLotsByProduct = [];
+    foreach ($openStmt->fetchAll() as $openLot) {
+        $openLotsByProduct[(int) $openLot['product_id']][] = [
+                'lot_id' => (int) $openLot['lot_id'],
+                'lot_number' => $openLot['lot_number'],
+                'manufacturer_party_id' => $openLot['manufacturer_party_id'] === null ? null : (int) $openLot['manufacturer_party_id'],
+                'manufacturer_lot_number' => $openLot['manufacturer_lot_number'],
+                'manufacturer_name' => $openLot['manufacturer_name'],
+                'mfg_date' => $openLot['mfg_date'],
+                'expiry_date' => $openLot['expiry_date'],
+                'purchase_date' => $openLot['purchase_date'],
+                'qty_in' => (float) $openLot['qty_net'],
+                'qty_net' => (float) $openLot['qty_net'],
+        ];
+    }
+
+    foreach ($products as &$product) {
+        $product['historical_lots'] = $historicalLotsByProduct[$product['id']] ?? [];
+        $product['open_lots'] = $openLotsByProduct[$product['id']] ?? [];
+    }
+    unset($product);
+
+    $lotIds = [];
+    foreach ($products as $product) {
+        if (!empty($product['lot_id'])) {
+            $lotIds[] = (int) $product['lot_id'];
+        }
+        foreach ($product['historical_lots'] as $lot) {
+            $lotIds[] = (int) ($lot['lot_id'] ?? 0);
+        }
+        foreach ($product['open_lots'] as $lot) {
+            $lotIds[] = (int) ($lot['lot_id'] ?? 0);
+        }
+    }
+    $documentsByLot = get_stock_lot_documents_by_lot_ids($pdo, $lotIds);
+    foreach ($products as &$product) {
+        $product['documents'] = $documentsByLot[(int) ($product['lot_id'] ?? 0)] ?? [];
+        foreach ($product['historical_lots'] as &$lot) {
+            $lot['documents'] = $documentsByLot[(int) ($lot['lot_id'] ?? 0)] ?? [];
+        }
+        unset($lot);
+        foreach ($product['open_lots'] as &$lot) {
+            $lot['documents'] = $documentsByLot[(int) ($lot['lot_id'] ?? 0)] ?? [];
+        }
+        unset($lot);
+    }
+    unset($product);
+
+    return $products;
+}
+
+function get_lager_product_available_qty(PDO $pdo, int $productId): float
+{
+    $stmt = $pdo->prepare(
+        "SELECT COALESCE(SUM(v.qty_net), 0)
+         FROM stock_lot sl
+         INNER JOIN v_stock_lot_balance v ON v.stock_lot_id = sl.id
+         WHERE sl.product_id = :product_id
+           AND sl.status IN ('current', 'open')"
+    );
+    $stmt->execute([':product_id' => $productId]);
+    return (float) $stmt->fetchColumn();
+}
+
+function get_stock_lot_documents_by_lot_ids(PDO $pdo, array $lotIds): array
+{
+    $lotIds = array_values(array_unique(array_filter(array_map('intval', $lotIds), static fn (int $id): bool => $id > 0)));
+    if ($lotIds === []) {
+        return [];
+    }
+
+    $placeholders = implode(',', array_fill(0, count($lotIds), '?'));
+    $stmt = $pdo->prepare(
+        "SELECT id, stock_lot_id, original_filename, mime_type, size_bytes, uploaded_at
+         FROM stock_lot_document
+         WHERE stock_lot_id IN ({$placeholders})
+         ORDER BY stock_lot_id, id"
+    );
+    $stmt->execute($lotIds);
+    $documents = [];
+    foreach ($stmt->fetchAll() as $row) {
+        $documents[(int) $row['stock_lot_id']][] = [
+            'id' => (int) $row['id'],
+            'original_filename' => (string) $row['original_filename'],
+            'mime_type' => (string) $row['mime_type'],
+            'size_bytes' => (int) $row['size_bytes'],
+            'uploaded_at' => (string) $row['uploaded_at'],
+        ];
+    }
+    return $documents;
+}
+
+function get_stock_lot_document(PDO $pdo, int $documentId): array
+{
+    $stmt = $pdo->prepare(
+        'SELECT id, stock_lot_id, original_filename, stored_filename, mime_type, size_bytes
+         FROM stock_lot_document WHERE id = :id'
+    );
+    $stmt->execute([':id' => $documentId]);
+    $document = $stmt->fetch();
+    if (!is_array($document)) {
+        throw new RuntimeException('Dokument nicht gefunden');
+    }
+    return $document;
+}
+
+function delete_stock_lot_document(PDO $pdo, int $documentId): void
+{
+    $document = get_stock_lot_document($pdo, $documentId);
+    $statusStmt = $pdo->prepare('SELECT status FROM stock_lot WHERE id = :id');
+    $statusStmt->execute([':id' => (int) $document['stock_lot_id']]);
+    $status = $statusStmt->fetchColumn();
+    if ($status !== 'current' && $status !== 'open') {
+        throw new InvalidArgumentException('Dokumente vergangener Chargen können nicht gelöscht werden');
+    }
+    $stmt = $pdo->prepare('DELETE FROM stock_lot_document WHERE id = :id');
+    $stmt->execute([':id' => $documentId]);
+    $path = dirname(__DIR__, 3) . '/runtime/uploads/lager/' . basename((string) $document['stored_filename']);
+    if (is_file($path) && !unlink($path)) {
+        throw new RuntimeException('Dokumentdatei konnte nicht gelöscht werden');
+    }
+}
+
+function upload_stock_lot_document(PDO $pdo, int $lotId, array $file, string $uploadedBy): array
+{
+    if ($lotId <= 0 || !is_uploaded_file((string) ($file['tmp_name'] ?? ''))) {
+        throw new InvalidArgumentException('Ungültige Dokumentdatei');
+    }
+    $error = (int) ($file['error'] ?? UPLOAD_ERR_NO_FILE);
+    if ($error !== UPLOAD_ERR_OK) {
+        throw new InvalidArgumentException('Dokument konnte nicht hochgeladen werden');
+    }
+    $size = (int) ($file['size'] ?? 0);
+    if ($size <= 0 || $size > 52428800) {
+        throw new InvalidArgumentException('Dokument darf maximal 50 MB groß sein');
+    }
+    $originalFilename = basename((string) ($file['name'] ?? ''));
+    if ($originalFilename === '') {
+        throw new InvalidArgumentException('Dateiname fehlt');
+    }
+    $lotStmt = $pdo->prepare("SELECT id FROM stock_lot WHERE id = :id AND status IN ('current', 'open')");
+    $lotStmt->execute([':id' => $lotId]);
+    if ($lotStmt->fetchColumn() === false) {
+        throw new InvalidArgumentException('Charge nicht gefunden');
+    }
+
+    $directory = dirname(__DIR__, 3) . '/runtime/uploads/lager';
+    if (!is_dir($directory) && !mkdir($directory, 0770, true) && !is_dir($directory)) {
+        throw new RuntimeException('Dokumentenverzeichnis konnte nicht erstellt werden');
+    }
+    $storedFilename = bin2hex(random_bytes(16));
+    $targetPath = $directory . '/' . $storedFilename;
+    if (!move_uploaded_file((string) $file['tmp_name'], $targetPath)) {
+        throw new RuntimeException('Dokument konnte nicht gespeichert werden');
+    }
+    $mimeType = (new finfo(FILEINFO_MIME_TYPE))->file($targetPath) ?: 'application/octet-stream';
+    try {
+        $stmt = $pdo->prepare(
+            'INSERT INTO stock_lot_document
+                (stock_lot_id, original_filename, stored_filename, mime_type, size_bytes, uploaded_by)
+             VALUES (:lot_id, :original_filename, :stored_filename, :mime_type, :size_bytes, :uploaded_by)
+             RETURNING id'
+        );
+        $stmt->execute([
+            ':lot_id' => $lotId,
+            ':original_filename' => $originalFilename,
+            ':stored_filename' => $storedFilename,
+            ':mime_type' => $mimeType,
+            ':size_bytes' => $size,
+            ':uploaded_by' => $uploadedBy,
+        ]);
+        return get_stock_lot_document($pdo, (int) $stmt->fetchColumn());
+    } catch (Throwable $error) {
+        unlink($targetPath);
+        throw $error;
+    }
+}
+
+function get_lager_product_forecast(PDO $pdo, int $productId): array
+{
+    $stmt = $pdo->prepare(
+        "SELECT sellout_date, sellout_forecast_status, expiry_date
+         FROM stock_lot
+         WHERE product_id = :product_id
+           AND status = 'current'
+         LIMIT 1"
+    );
+    $stmt->execute([':product_id' => $productId]);
+    $forecast = $stmt->fetch();
+    if (!is_array($forecast)) {
+        throw new RuntimeException('Keine aktuelle Charge fuer Forecast vorhanden');
+    }
+    return [
+        'date' => $forecast['sellout_date'],
+        'status' => (string) $forecast['sellout_forecast_status'],
+        'expiryDate' => $forecast['expiry_date'],
+    ];
+}
+
+function update_stock_lot_traceability(
+    PDO $pdo,
+    int $lotId,
+    ?int $manufacturerPartyId,
+    ?string $manufacturerLotNumber,
+    ?string $mfgDate,
+    ?string $expiryDate,
+    ?string $purchaseDate,
+    string $changedBy,
+    float $receiptQty = 0.0,
+    float $adjustmentQty = 0.0,
+    float $outQty = 0.0,
+    ?string $lotNumber = null,
+    ?float $targetQty = null,
+    bool $clearLotNumber = false
+): array {
+    if ($lotId <= 0) {
+        throw new InvalidArgumentException('Chargen-ID fehlt');
+    }
+
+    $manufacturerLotNumber = $manufacturerLotNumber !== null ? trim($manufacturerLotNumber) : null;
+    if ($manufacturerLotNumber === '') {
+        $manufacturerLotNumber = null;
+    }
+    $lotNumber = $lotNumber !== null ? trim($lotNumber) : null;
+    if ($lotNumber === '' && !$clearLotNumber) {
+        throw new InvalidArgumentException('Naurua-Chargennummer fehlt');
+    }
+    if ($lotNumber === '') {
+        $lotNumber = null;
+    }
+
+    if (!is_finite($receiptQty) || !is_finite($adjustmentQty) || !is_finite($outQty)) {
+        throw new InvalidArgumentException('Ungueltige Bewegungsmenge');
+    }
+    if ($targetQty !== null && (!is_finite($targetQty) || $targetQty < 0)) {
+        throw new InvalidArgumentException('Ungueltige Chargenmenge');
+    }
+    if ($receiptQty < 0 || $outQty < 0) {
+        throw new InvalidArgumentException('Zugang und Abgang duerfen nicht negativ sein');
+    }
+    if (fmod($adjustmentQty, 1.0) !== 0.0) {
+        throw new InvalidArgumentException('Bestandskorrekturen muessen ganzzahlig sein');
+    }
+    if ($adjustmentQty !== 0.0 && abs($adjustmentQty) < 0.0001) {
+        $adjustmentQty = 0.0;
+    }
+
+    $dates = [
+        'mfg_date' => $mfgDate,
+        'expiry_date' => $expiryDate,
+        'purchase_date' => $purchaseDate,
+    ];
+    foreach ($dates as $field => $value) {
+        if ($value !== null && $value !== '') {
+            $parsed = DateTimeImmutable::createFromFormat('!Y-m-d', $value);
+            $errors = DateTimeImmutable::getLastErrors();
+            if ($parsed === false || (is_array($errors) && (($errors['warning_count'] ?? 0) > 0 || ($errors['error_count'] ?? 0) > 0))) {
+                throw new InvalidArgumentException("Ungueltiges Datum fuer {$field}");
+            }
+        }
+        $dates[$field] = $value !== null && $value !== '' ? $value : null;
+    }
+
+    $startedTransaction = !$pdo->inTransaction();
+    if ($startedTransaction) {
+        $pdo->beginTransaction();
+    }
+
+    try {
+        $lotStmt = $pdo->prepare(
+            "SELECT id, product_id, lot_number, manufacturer_party_id, manufacturer_lot_number,
+                    mfg_date, expiry_date, purchase_date, status
+             FROM stock_lot
+             WHERE id = :id
+             FOR UPDATE"
+        );
+        $lotStmt->execute([':id' => $lotId]);
+        $before = $lotStmt->fetch();
+        if (!is_array($before)) {
+            throw new RuntimeException('Charge nicht gefunden');
+        }
+        if ((string) $before['status'] === 'virtual_shortage') {
+            throw new InvalidArgumentException('Virtuelle Fehlbestandschargen koennen nicht gepflegt werden');
+        }
+        if ($targetQty !== null && (string) $before['status'] !== 'open') {
+            throw new InvalidArgumentException('Nur offene Chargen koennen mit einer Zielmenge bearbeitet werden');
+        }
+        if ($lotNumber !== null && (string) $before['status'] !== 'open') {
+            throw new InvalidArgumentException('Nur offene Chargen koennen neu angelegt werden');
+        }
+
+        if ($manufacturerPartyId !== null) {
+            $manufacturerStmt = $pdo->prepare(
+                "SELECT p.id
+                 FROM party p
+                 INNER JOIN party_role pr ON pr.party_id = p.id AND pr.role_code = 'manufacturer'
+                 WHERE p.id = :id AND p.status = 'active'
+                 LIMIT 1"
+            );
+            $manufacturerStmt->execute([':id' => $manufacturerPartyId]);
+            if ($manufacturerStmt->fetchColumn() === false) {
+                throw new InvalidArgumentException('Hersteller ist nicht aktiv oder nicht als Hersteller gepflegt');
+            }
+        }
+
+        if ($manufacturerPartyId === null && $manufacturerLotNumber !== null) {
+            throw new InvalidArgumentException('Hersteller-Chargennummer benoetigt einen Hersteller');
+        }
+        if ($manufacturerPartyId !== null && $manufacturerLotNumber === null && (string) $before['status'] !== 'open') {
+            throw new InvalidArgumentException('Hersteller-Chargennummer fehlt');
+        }
+        if ($targetQty !== null) {
+            $balanceStmt = $pdo->prepare(
+                "SELECT COALESCE(SUM(CASE
+                    WHEN move_type = 'in' THEN qty
+                    WHEN move_type = 'out' THEN -qty
+                    WHEN move_type = 'adjustment' AND to_location_id IS NOT NULL AND from_location_id IS NULL THEN qty
+                    WHEN move_type = 'adjustment' AND from_location_id IS NOT NULL AND to_location_id IS NULL THEN -qty
+                    ELSE 0
+                END), 0)
+                 FROM stock_move
+                 WHERE lot_id = :lot_id"
+            );
+            $balanceStmt->execute([':lot_id' => $lotId]);
+            $quantityDelta = $targetQty - (float) $balanceStmt->fetchColumn();
+            $receiptQty = $quantityDelta > 0 ? $quantityDelta : 0.0;
+            $outQty = 0.0;
+            $adjustmentQty = $quantityDelta < 0 ? $quantityDelta : 0.0;
+        }
+
+        if (($adjustmentQty !== 0.0 || $outQty > 0) && (string) $before['status'] !== 'current' && $targetQty === null) {
+            throw new InvalidArgumentException('Korrekturen und Abgaenge koennen nur auf der aktiven Charge gebucht werden');
+        }
+
+        $lotNumberAssignment = $clearLotNumber
+            ? 'NULL'
+            : ($lotNumber === null ? 'lot_number' : 'COALESCE(:lot_number, lot_number)');
+        $updateStmt = $pdo->prepare(
+            "UPDATE stock_lot
+             SET lot_number = {$lotNumberAssignment},
+                 manufacturer_party_id = :manufacturer_party_id,
+                 manufacturer_lot_number = :manufacturer_lot_number,
+                 mfg_date = :mfg_date,
+                 expiry_date = :expiry_date,
+                 purchase_date = :purchase_date,
+                 updated_at = NOW()
+             WHERE id = :id"
+        );
+        $updateParams = [
+            ':manufacturer_party_id' => $manufacturerPartyId,
+            ':manufacturer_lot_number' => $manufacturerLotNumber,
+            ':mfg_date' => $dates['mfg_date'],
+            ':expiry_date' => $dates['expiry_date'],
+            ':purchase_date' => $dates['purchase_date'],
+            ':id' => $lotId,
+        ];
+        if (!$clearLotNumber && $lotNumber !== null) {
+            $updateParams[':lot_number'] = $lotNumber;
+        }
+        $updateStmt->execute($updateParams);
+
+        $after = $before;
+        if ($clearLotNumber) {
+            $after['lot_number'] = null;
+        } elseif ($lotNumber !== null) {
+            $after['lot_number'] = $lotNumber;
+        }
+        $after['manufacturer_party_id'] = $manufacturerPartyId;
+        $after['manufacturer_lot_number'] = $manufacturerLotNumber;
+        $after['mfg_date'] = $dates['mfg_date'];
+        $after['expiry_date'] = $dates['expiry_date'];
+        $after['purchase_date'] = $dates['purchase_date'];
+        system_write_audit_log($pdo, 'stock_lot', (string) $lotId, 'traceability_updated', $changedBy, $before, $after, [
+            'module' => 'erp.lager',
+        ]);
+
+        if ($receiptQty > 0 || $adjustmentQty !== 0.0 || $outQty > 0) {
+            book_stock_lot_movements($pdo, (int) $before['product_id'], $lotId, $receiptQty, $adjustmentQty, $outQty);
+        }
+
+        if ($startedTransaction) {
+            $pdo->commit();
+        }
+
+        return $after;
+    } catch (Throwable $error) {
+        if ($startedTransaction && $pdo->inTransaction()) {
+            $pdo->rollBack();
+        }
+        throw $error;
+    }
 }
 
 function get_current_lot_balance_for_update(PDO $pdo, int $productId): array
@@ -147,6 +635,30 @@ function get_current_lot_balance_for_update(PDO $pdo, int $productId): array
     ];
 }
 
+function get_stock_lot_balance(PDO $pdo, int $lotId): array
+{
+    $stmt = $pdo->prepare(
+        "SELECT
+            COALESCE(v.qty_net, 0) AS qty_net,
+            COALESCE(v.qty_in, 0) AS qty_in,
+            COALESCE(v.qty_out, 0) AS qty_out
+         FROM stock_lot sl
+         LEFT JOIN v_stock_lot_balance v ON v.stock_lot_id = sl.id
+         WHERE sl.id = :lot_id"
+    );
+    $stmt->execute([':lot_id' => $lotId]);
+    $row = $stmt->fetch();
+    if (!is_array($row)) {
+        throw new RuntimeException('Charge nicht gefunden');
+    }
+
+    return [
+        'qty_net' => (float) $row['qty_net'],
+        'qty_in' => (float) $row['qty_in'],
+        'qty_out' => (float) $row['qty_out'],
+    ];
+}
+
 function insert_stock_move_out(
     PDO $pdo,
     int $productId,
@@ -215,6 +727,91 @@ function insert_stock_move_in(
     return (int) $id;
 }
 
+function insert_stock_move_adjustment(
+    PDO $pdo,
+    int $productId,
+    int $lotId,
+    float $qty,
+    ?int $fromLocationId,
+    ?int $toLocationId,
+    string $note
+): int {
+    $stmt = $pdo->prepare(
+        "INSERT INTO stock_move (
+            product_id, lot_id, from_location_id, to_location_id, qty, move_type, move_date, note, created_at, updated_at
+         ) VALUES (
+            :product_id, :lot_id, :from_location_id, :to_location_id, :qty, 'adjustment', NOW(), :note, NOW(), NOW()
+         )
+         RETURNING id"
+    );
+    $stmt->execute([
+        ':product_id' => $productId,
+        ':lot_id' => $lotId,
+        ':from_location_id' => $fromLocationId,
+        ':to_location_id' => $toLocationId,
+        ':qty' => $qty,
+        ':note' => $note,
+    ]);
+
+    $id = $stmt->fetchColumn();
+    if ($id === false) {
+        throw new RuntimeException('Konnte Bestandskorrektur nicht schreiben');
+    }
+
+    return (int) $id;
+}
+
+function book_stock_lot_movements(
+    PDO $pdo,
+    int $productId,
+    int $lotId,
+    float $receiptQty,
+    float $adjustmentQty,
+    float $outQty
+): void {
+    $locations = get_default_location_ids($pdo);
+    $balanceStmt = $pdo->prepare(
+        "SELECT COALESCE(
+            SUM(CASE
+                WHEN move_type = 'in' THEN qty
+                WHEN move_type = 'out' THEN -qty
+                WHEN move_type = 'adjustment' AND to_location_id IS NOT NULL AND from_location_id IS NULL THEN qty
+                WHEN move_type = 'adjustment' AND from_location_id IS NOT NULL AND to_location_id IS NULL THEN -qty
+                ELSE 0
+            END), 0
+         )
+         FROM stock_move
+         WHERE lot_id = :lot_id"
+    );
+    $balanceStmt->execute([':lot_id' => $lotId]);
+    $balance = (float) $balanceStmt->fetchColumn();
+
+    if ($receiptQty > 0) {
+        insert_stock_move_in($pdo, $productId, $lotId, $receiptQty, $locations['storage'], $locations['storage'], 'Manueller Lagerzugang via Chargenformular');
+        $balance += $receiptQty;
+    }
+
+    if ($adjustmentQty !== 0.0) {
+        if ($adjustmentQty > 0) {
+            insert_stock_move_adjustment($pdo, $productId, $lotId, $adjustmentQty, null, $locations['storage'], 'Manuelle Bestandskorrektur via Chargenformular');
+        } else {
+            $correctionQty = abs($adjustmentQty);
+            if ($correctionQty > $balance) {
+                throw new InvalidArgumentException('Bestandskorrektur wuerde den Chargensaldo negativ machen');
+            }
+            insert_stock_move_adjustment($pdo, $productId, $lotId, $correctionQty, $locations['storage'], null, 'Manuelle Bestandskorrektur via Chargenformular');
+        }
+        $balance += $adjustmentQty;
+    }
+
+    if ($outQty > $balance) {
+        throw new InvalidArgumentException('Lagerabgang ist groesser als der aktuelle Chargenbestand');
+    }
+    if ($outQty > 0) {
+        insert_stock_move_out($pdo, $productId, $lotId, $outQty, $locations['storage'], $locations['dispatch'], 'Manueller Lagerabgang via Chargenformular');
+    }
+}
+
 function switch_current_lot(PDO $pdo, int $productId, int $oldCurrentLotId, int $storageLocationId): int
 {
     $closeStmt = $pdo->prepare(
@@ -363,6 +960,91 @@ function get_or_create_virtual_shortage_lot(PDO $pdo, int $productId): int
     return (int) $newLotId;
 }
 
+function get_or_create_open_lot(PDO $pdo, int $productId): int
+{
+    $select = $pdo->prepare(
+        "SELECT id
+         FROM stock_lot
+         WHERE product_id = :product_id
+           AND status = 'open'
+         ORDER BY id
+         LIMIT 1
+         FOR UPDATE"
+    );
+    $select->execute([':product_id' => $productId]);
+    $lotId = $select->fetchColumn();
+    if ($lotId !== false) {
+        return (int) $lotId;
+    }
+
+    $insert = $pdo->prepare(
+        "INSERT INTO stock_lot (product_id, status, created_at, updated_at)
+         VALUES (:product_id, 'open', NOW(), NOW())
+         RETURNING id"
+    );
+    $insert->execute([':product_id' => $productId]);
+    $newLotId = $insert->fetchColumn();
+    if ($newLotId === false) {
+        throw new RuntimeException('Offene Charge konnte nicht angelegt werden');
+    }
+
+    return (int) $newLotId;
+}
+
+function delete_open_stock_lot(PDO $pdo, int $lotId, string $changedBy): int
+{
+    if ($lotId <= 0 || trim($changedBy) === '') {
+        throw new InvalidArgumentException('Offene Charge und Bediener sind erforderlich');
+    }
+
+    $startedTransaction = !$pdo->inTransaction();
+    if ($startedTransaction) {
+        $pdo->beginTransaction();
+    }
+
+    try {
+        $lotStmt = $pdo->prepare(
+            "SELECT id, product_id, lot_number, manufacturer_party_id, manufacturer_lot_number,
+                    mfg_date, expiry_date, purchase_date, status
+             FROM stock_lot
+             WHERE id = :id
+             FOR UPDATE"
+        );
+        $lotStmt->execute([':id' => $lotId]);
+        $lot = $lotStmt->fetch();
+        if (!is_array($lot)) {
+            throw new InvalidArgumentException('Charge nicht gefunden');
+        }
+        if ((string) $lot['status'] !== 'open') {
+            throw new InvalidArgumentException('Nur offene Chargen koennen geloescht werden');
+        }
+
+        system_write_audit_log($pdo, 'stock_lot', (string) $lotId, 'deleted', $changedBy, $lot, [], [
+            'module' => 'erp.lager',
+        ]);
+
+        $moveStmt = $pdo->prepare('DELETE FROM stock_move WHERE lot_id = :lot_id');
+        $moveStmt->execute([':lot_id' => $lotId]);
+
+        $deleteStmt = $pdo->prepare('DELETE FROM stock_lot WHERE id = :id AND status = \'open\'');
+        $deleteStmt->execute([':id' => $lotId]);
+        if ($deleteStmt->rowCount() !== 1) {
+            throw new RuntimeException('Offene Charge konnte nicht geloescht werden');
+        }
+
+        $productId = (int) $lot['product_id'];
+        if ($startedTransaction) {
+            $pdo->commit();
+        }
+        return $productId;
+    } catch (Throwable $error) {
+        if ($startedTransaction && $pdo->inTransaction()) {
+            $pdo->rollBack();
+        }
+        throw $error;
+    }
+}
+
 function replace_virtual_lot_allocation(
     PDO $pdo,
     int $allocationId,

modules/shared/auth/ui/home.php

@@ -171,22 +171,8 @@ function auth_render_bestellungen_large_table(array $bestellungenTable): string
     $html[] = '<h2 class="sg-heading-h2 sg-card-list-page-drawer__title" data-order-drawer-title>Bestellung</h2>';
     $html[] = '<button class="sg-interaction-element sg-hyperlink" type="button" data-order-drawer-close>schliessen</button>';
     $html[] = '</div>';
-    $html[] = '<div class="sg-card-list-page-drawer__content">';
+    $html[] = '<div class="sg-card-list-page-drawer__content" data-order-drawer-cards>';
-    $html[] = '<article class="sg-card sg-vsf-drawer-card" data-component="card" data-pattern="card" aria-label="Bestell-Details">';
+    $html[] = '<p class="sg-body" data-order-drawer-loading>Bestelldetails werden geladen …</p>';
-    $html[] = '<header class="sg-card-segment sg-card-segment--header sg-card-segment--darkblue sg-vsf-drawer-card__header">';
-    $html[] = '<div class="sg-strong">Bestell-Details</div>';
-    $html[] = '</header>';
-    $html[] = '<div class="sg-card-segment sg-card-segment--body sg-vsf-drawer-card__content">';
-    $html[] = '<p class="sg-body"><strong>Bestellnummer:</strong> <span data-order-drawer-order-number></span></p>';
-    $html[] = '<p class="sg-body"><strong>Bestelldatum:</strong> <span data-order-drawer-order-date></span></p>';
-    $html[] = '<p class="sg-body"><strong>Lieferadresse:</strong></p>';
-    $html[] = '<p class="sg-body" data-order-drawer-address-line-1></p>';
-    $html[] = '<p class="sg-body" data-order-drawer-address-line-2></p>';
-    $html[] = '<p class="sg-body" data-order-drawer-address-line-3></p>';
-    $html[] = '<p class="sg-body"><strong>Gesamtsumme:</strong> <span data-order-drawer-total></span></p>';
-    $html[] = '<p class="sg-body">Detailinhalt wird noch definiert.</p>';
-    $html[] = '</div>';
-    $html[] = '</article>';
     $html[] = '</div>';
     $html[] = '</aside>';
 
@@ -254,12 +240,30 @@ function auth_render_lager_table(string $title, array $rows, array $columns, str
         $detailData = '';
         if ($tableKey === 'products') {
             $detailData = ' data-lager-drawer-forecast="' . auth_escape_html($forecastText) . '"'
+                . ' data-lager-drawer-forecast-status="' . auth_escape_html($forecastStatus) . '"'
                 . ' data-lager-drawer-forecast-warning="' . ($forecastWarning ? 'true' : 'false') . '"'
                 . ' data-lager-drawer-forecast-mhd-warning="' . ($forecastMhdWarning ? 'true' : 'false') . '"'
+                . ' data-lager-drawer-current-qty="' . auth_escape_html(auth_format_lager_quantity((float) ($row['current_qty'] ?? 0))) . '"'
+                . ' data-lager-drawer-qty-in="' . auth_escape_html(auth_format_lager_quantity((float) ($row['qty_in'] ?? 0))) . '"'
+                . ' data-lager-drawer-virtual-shortage-qty="' . auth_escape_html(auth_format_lager_quantity((float) ($row['virtual_shortage_qty'] ?? 0))) . '"'
+                . ' data-lager-drawer-lot-id="' . auth_escape_html((string) ($row['lot_id'] ?? '')) . '"'
                 . ' data-lager-drawer-lot-number="' . auth_escape_html((string) ($row['lot_number'] ?? '')) . '"'
-                . ' data-lager-drawer-supplier-lot-number="' . auth_escape_html((string) ($row['supplier_lot_number'] ?? '')) . '"'
+                . ' data-lager-drawer-manufacturer-party-id="' . auth_escape_html((string) ($row['manufacturer_party_id'] ?? '')) . '"'
+                . ' data-lager-drawer-manufacturer-name="' . auth_escape_html((string) ($row['manufacturer_name'] ?? '')) . '"'
+                . ' data-lager-drawer-manufacturer-lot-number="' . auth_escape_html((string) ($row['manufacturer_lot_number'] ?? '')) . '"'
+                . ' data-lager-drawer-mfg-date="' . auth_escape_html((string) ($row['mfg_date'] ?? '')) . '"'
                 . ' data-lager-drawer-expiry-date="' . auth_escape_html((string) ($row['expiry_date'] ?? '')) . '"'
+                . ' data-lager-drawer-purchase-date="' . auth_escape_html((string) ($row['purchase_date'] ?? '')) . '"'
+                . ' data-lager-drawer-documents="' . auth_escape_html((string) json_encode($row['documents'] ?? [], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES)) . '"'
                 . ' data-lager-drawer-virtual-lot-number="' . auth_escape_html((string) ($row['virtual_lot_number'] ?? '')) . '"';
+            $openLot = $row['open_lots'][0] ?? [];
+            $detailData .= ' data-lager-open-lot-id="' . auth_escape_html((string) ($openLot['lot_id'] ?? '')) . '"'
+                . ' data-lager-open-lot-number="' . auth_escape_html((string) ($openLot['lot_number'] ?? '')) . '"'
+                . ' data-lager-open-manufacturer-party-id="' . auth_escape_html((string) ($openLot['manufacturer_party_id'] ?? '')) . '"'
+                . ' data-lager-open-manufacturer-lot-number="' . auth_escape_html((string) ($openLot['manufacturer_lot_number'] ?? '')) . '"'
+                . ' data-lager-open-mfg-date="' . auth_escape_html((string) ($openLot['mfg_date'] ?? '')) . '"'
+                . ' data-lager-open-expiry-date="' . auth_escape_html((string) ($openLot['expiry_date'] ?? '')) . '"'
+                . ' data-lager-open-purchase-date="' . auth_escape_html((string) ($openLot['purchase_date'] ?? '')) . '"';
         }
 
         $html[] = '<div class="' . $rowClass . '" role="row" data-component-part="large-table-row" data-lager-row="true" data-lager-id="' . $id . '">';
@@ -278,29 +282,195 @@ function auth_render_lager_table(string $title, array $rows, array $columns, str
     return implode('', $html);
 }
 
-function auth_render_lager_content(array $lagerProducts, array $lagerArtikel): string
+function auth_format_lager_date(?string $value): string
 {
-    return '<div data-lager-content="true">'
+    if ($value === null || $value === '') {
-        . '<section class="sg-card-list-page" aria-label="Lager">'
+        return 'Nicht hinterlegt';
-        . auth_render_lager_table('Produkte', $lagerProducts, ['Produktname', 'Anzahl im Lager', 'Verbraucht bis'], 'products')
+    }
-        . auth_render_lager_table('Artikel', $lagerArtikel, ['Artikel-Name', 'Artikelnummer'], 'articles')
+
+    return (new DateTimeImmutable($value))->format(str_contains($value, ':') ? 'd.m.Y H:i' : 'd.m.Y');
+}
+
+function auth_format_lager_quantity(float $value): string
+{
+    return fmod($value, 1.0) === 0.0
+        ? number_format($value, 0, ',', '.')
+        : number_format($value, 2, ',', '.');
+}
+
+function auth_render_lager_documents(array $documents, bool $editable, string $scope): string
+{
+    $segmentClass = $editable ? ' sg-card-segment--gray' : '';
+    $segmentState = $editable ? ' hidden data-lager-edit-documents="' . auth_escape_html($scope) . '"' : '';
+    $html = '<div class="sg-card-segment sg-card-segment--body' . $segmentClass . '" data-lager-documents="' . auth_escape_html($scope) . '"' . $segmentState . '>';
+    if ($editable) {
+        $html .= '<div class="sg-form-sections-card-wrapper" data-pattern="form-sections" aria-label="Dokumente"><section class="sg-form-sections-card"><div class="sg-form-sections-card__body"><section class="sg-form-sections-card__chapter"><h2 class="sg-strong sg-form-sections-card__chapter-title">Dokumente</h2>';
+    } else {
+        $html .= '<section class="sg-form-sections-card__chapter"><h2 class="sg-strong sg-form-sections-card__chapter-title">Dokumente</h2>';
+    }
+    if (!$editable) {
+        $html .= '<div data-lager-documents-read="' . auth_escape_html($scope) . '">';
+        if ($documents === []) {
+            $html .= '<p class="sg-body">Keine Dokumente vorhanden.</p>';
+        } else {
+            foreach ($documents as $document) {
+                $documentId = (int) ($document['id'] ?? 0);
+                $filename = (string) ($document['original_filename'] ?? 'Dokument');
+                $html .= '<p class="sg-body" data-lager-document-row="' . $documentId . '"><a class="sg-hyperlink" href="/api/lager-document.php?id=' . $documentId . '" data-component="hyperlink">' . auth_escape_html($filename) . '</a></p>';
+            }
+        }
+        $html .= '</div>';
+    }
+    if ($editable) {
+        $html .= '<div data-lager-documents-edit="' . auth_escape_html($scope) . '">';
+        foreach ($documents as $document) {
+            $documentId = (int) ($document['id'] ?? 0);
+            $filename = (string) ($document['original_filename'] ?? 'Dokument');
+            $html .= '<div class="sg-form-sections-card__field-group" data-lager-document-edit-row="' . $documentId . '"><span class="sg-body">' . auth_escape_html($filename) . ' <span class="sg-tab-button-group" role="tablist" aria-label="Dokument entfernen" data-component="tab-navigation" data-component-size="compact"><button class="sg-interaction-element sg-button sg-tab-button sg-tab-button--compact" type="button" role="tab" aria-selected="false" data-component-part="tab-button" aria-label="Dokument entfernen: ' . auth_escape_html($filename) . '" data-lager-document-delete="' . $documentId . '">×</button></span></span></div>';
+        }
+        $html .= '<div class="sg-file-upload" data-pattern="file-upload" data-lager-document-upload-form="' . auth_escape_html($scope) . '"><div class="sg-file-input" data-component="file-input"><div class="sg-file-upload__dropzone sg-labeled-input-row"><label class="sg-label" for="lager-document-file-' . auth_escape_html($scope) . '">Dateien auswählen</label><input class="sg-file-input__control" id="lager-document-file-' . auth_escape_html($scope) . '" type="file" multiple aria-describedby="lager-document-file-status-' . auth_escape_html($scope) . '" data-lager-document-file><button class="sg-interaction-element sg-button sg-button--active sg-file-input__trigger" type="button" data-lager-document-file-trigger>Dateien auswählen</button></div></div><ul class="sg-file-upload__files" data-lager-document-selected-files hidden></ul><p class="sg-body sg-file-upload__status" id="lager-document-file-status-' . auth_escape_html($scope) . '" data-lager-document-status aria-live="polite">Noch keine Dateien ausgewählt.</p></div>';
+        $html .= '</div>';
+    }
+    return $html . ($editable ? '</section></div></section></div></div>' : '</section></div>');
+}
+
+function auth_render_lager_historical_lots(array $lagerProducts): string
+{
+    $html = [];
+    foreach ($lagerProducts as $product) {
+        $productId = (int) ($product['id'] ?? 0);
+        $html[] = '<div data-lager-historical-product="' . $productId . '" hidden>';
+        foreach (($product['historical_lots'] ?? []) as $lot) {
+            $qtyNet = (float) ($lot['qty_net'] ?? 0);
+            $emptyDate = $qtyNet <= 0 ? auth_format_lager_date($lot['last_out_at'] ?? null) : 'Nicht eindeutig';
+            $html[] = '<article class="sg-card sg-card--content-card" data-component="content-card" aria-label="Vergangene Charge">'
+                . '<div class="sg-card-segment sg-card-segment--header sg-card-segment--darkgreen" data-component-part="card-header"><div class="sg-strong sg-text-on-dark">Vergangene Charge</div></div>'
+                . '<div class="sg-card-segment sg-card-segment--body" data-component-part="card-body">'
+                . '<p class="sg-body"><strong>Naurua-Chargennummer:</strong> ' . auth_escape_html((string) ($lot['lot_number'] ?? 'Nicht hinterlegt')) . '<br>'
+                . '<strong>Status:</strong> Abgeschlossen<br>'
+                . '<strong>Eingangsmenge:</strong> ' . auth_format_lager_quantity((float) ($lot['qty_in'] ?? 0)) . '<br>'
+                . '<strong>Verbrauchte Menge:</strong> ' . auth_format_lager_quantity((float) ($lot['qty_out'] ?? 0)) . '<br>'
+                . '<strong>Verbrauchszeitraum:</strong> ' . auth_format_lager_date($lot['first_in_at'] ?? null) . ' – ' . auth_format_lager_date($lot['last_out_at'] ?? null) . '<br>'
+                . '<strong>Aufgebraucht am:</strong> ' . $emptyDate . '<br>'
+                . '<strong>MHD:</strong> ' . auth_format_lager_date($lot['expiry_date'] ?? null) . '<br>'
+                . '<strong>Hersteller:</strong> ' . auth_escape_html((string) ($lot['manufacturer_name'] ?? 'Nicht hinterlegt')) . '<br>'
+                . '<strong>Hersteller-Chargennummer:</strong> ' . auth_escape_html((string) ($lot['manufacturer_lot_number'] ?? 'Nicht hinterlegt')) . '</p>'
+                . '</div>'
+                . auth_render_lager_documents($lot['documents'] ?? [], false, 'historical-' . (int) ($lot['lot_id'] ?? 0))
+                . '</article>';
+        }
+        $html[] = '</div>';
+    }
+
+    return implode('', $html);
+}
+
+function auth_render_lager_open_lots(array $lagerProducts, string $manufacturerOptions): string
+{
+    $html = [];
+    foreach ($lagerProducts as $product) {
+        $productId = (int) ($product['id'] ?? 0);
+        $html[] = '<div data-lager-open-product="' . $productId . '" hidden>';
+        foreach (($product['open_lots'] ?? []) as $lot) {
+            $lotId = (int) ($lot['lot_id'] ?? 0);
+            $html[] = '<div class="sg-delete-confirmation-pattern__stage sg-delete-confirmation-pattern__host" data-pattern="overlay-card" data-dialog-open="false" data-lager-open-card-wrapper="' . $lotId . '"><article class="sg-card sg-card--content-card sg-delete-confirmation-pattern__target" data-component="content-card" data-pattern="overlay-card" aria-label="Offene Charge">'
+                . '<div class="sg-card-segment sg-card-segment--header sg-card-segment--darkgreen sg-object-card__header" data-component-part="card-header"><div class="sg-strong sg-text-on-dark">Offene Charge</div><div class="sg-component-row"><button class="sg-interaction-element sg-button sg-button--warning" type="button" data-component="button" data-component-variant="warning" data-lager-open-delete>Löschen</button><button class="sg-interaction-element sg-button sg-button--active" type="button" data-lager-open-edit-open>Bearbeiten</button></div></div>'
+                . '<div class="sg-card-segment sg-card-segment--body" data-component-part="card-body" data-lager-open-card="' . (int) ($lot['lot_id'] ?? 0) . '"><p class="sg-body"><strong>Naurua-Chargennummer:</strong> <span data-lager-open-card-lot-number>' . auth_escape_html((string) ($lot['lot_number'] ?? 'Nicht hinterlegt')) . '</span><br>'
+                . '<strong>Status:</strong> Vorbereitet<br>'
+                . '<strong>Bestand:</strong> <span data-lager-open-card-qty-net>' . auth_format_lager_quantity((float) ($lot['qty_net'] ?? 0)) . '</span><br>'
+                . '<strong>Eingangsmenge:</strong> <span data-lager-open-card-qty-in>' . auth_format_lager_quantity((float) ($lot['qty_in'] ?? 0)) . '</span><br>'
+                . '<strong>Hersteller:</strong> <span data-lager-open-card-manufacturer>' . auth_escape_html((string) ($lot['manufacturer_name'] ?? 'Nicht hinterlegt')) . '</span><br>'
+                . '<strong>Hersteller-Chargennummer:</strong> <span data-lager-open-card-manufacturer-lot>' . auth_escape_html((string) ($lot['manufacturer_lot_number'] ?? 'Nicht hinterlegt')) . '</span><br>'
+                . '<strong>Herstellungsdatum:</strong> <span data-lager-open-card-mfg-date>' . auth_format_lager_date($lot['mfg_date'] ?? null) . '</span><br>'
+                . '<strong>MHD:</strong> <span data-lager-open-card-expiry-date>' . auth_format_lager_date($lot['expiry_date'] ?? null) . '</span><br>'
+                . '<strong>Einkaufsdatum:</strong> <span data-lager-open-card-purchase-date>' . auth_format_lager_date($lot['purchase_date'] ?? null) . '</span></p></div>'
+                . auth_render_lager_documents($lot['documents'] ?? [], false, 'open-read-' . $lotId)
+                . '<div class="sg-card-segment sg-card-segment--body sg-card-segment--gray" data-lager-open-edit-form hidden><div class="sg-form-sections-card-wrapper" data-pattern="form-sections" aria-label="Offene Charge bearbeiten"><form class="sg-form-sections-card" id="lager-open-edit-form-' . $lotId . '" data-lager-open-edit-form-element><div class="sg-form-sections-card__body" data-pattern-part="form-body"><h2 class="sg-strong sg-form-sections-card__title">Offene Charge bearbeiten</h2>'
+                . '<section class="sg-form-sections-card__chapter" aria-labelledby="lager-open-charge-data-' . $lotId . '"><h2 id="lager-open-charge-data-' . $lotId . '" class="sg-strong sg-form-sections-card__chapter-title">Chargendaten</h2>'
+                . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Naurua-Chargennummer</span><input class="sg-interaction-element sg-input-single-line" type="text" data-lager-open-lot-number value="' . auth_escape_html((string) ($lot['lot_number'] ?? '')) . '"></label></div>'
+                . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Hersteller</span><select class="sg-interaction-element sg-input-single-line" data-lager-open-manufacturer>' . str_replace('value="' . (int) ($lot['manufacturer_party_id'] ?? 0) . '"', 'value="' . (int) ($lot['manufacturer_party_id'] ?? 0) . '" selected', $manufacturerOptions) . '</select></label></div>'
+                . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Hersteller-Chargennummer</span><input class="sg-interaction-element sg-input-single-line" type="text" data-lager-open-manufacturer-lot value="' . auth_escape_html((string) ($lot['manufacturer_lot_number'] ?? '')) . '"></label></div>'
+                . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Herstellungsdatum</span><input class="sg-interaction-element sg-input-single-line" type="date" data-lager-open-mfg-date value="' . auth_escape_html((string) ($lot['mfg_date'] ?? '')) . '"></label></div>'
+                . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">MHD</span><input class="sg-interaction-element sg-input-single-line" type="date" data-lager-open-expiry-date value="' . auth_escape_html((string) ($lot['expiry_date'] ?? '')) . '"></label></div>'
+                . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Einkaufsdatum</span><input class="sg-interaction-element sg-input-single-line" type="date" data-lager-open-purchase-date value="' . auth_escape_html((string) ($lot['purchase_date'] ?? '')) . '"></label></div>'
+                . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Menge</span><input class="sg-interaction-element sg-input-single-line" type="number" min="0" step="1" inputmode="numeric" data-lager-open-target-qty value="' . auth_escape_html((string) ($lot['qty_net'] ?? 0)) . '"></label></div>'
+                . '</section></div></form></div></div>'
+                . auth_render_lager_documents($lot['documents'] ?? [], true, 'open-edit-' . $lotId)
+                . '<footer class="sg-card-segment sg-card-segment--body sg-card-segment--gray" data-lager-open-edit-actions hidden><div class="sg-form-sections-card-wrapper" data-pattern="form-sections"><div class="sg-form-sections-card"><div class="sg-form-sections-card__actions" data-pattern-part="form-actions"><button class="sg-interaction-element sg-button sg-button--active sg-form-sections-card__action" type="button" data-lager-open-edit-close>Abbrechen</button><button class="sg-interaction-element sg-button sg-button--process sg-form-sections-card__action" type="submit" form="lager-open-edit-form-' . $lotId . '">Speichern</button></div><p class="sg-body" data-lager-open-edit-status aria-live="polite"></p></div></div></footer>'
+                . '</article>'
+                . '<article class="sg-card sg-card--overlay-host sg-delete-confirmation-pattern__floating-card" aria-label="Leere Felder bestätigen" role="dialog" aria-modal="true" aria-labelledby="lager-open-confirmation-title-' . $lotId . '" data-lager-open-confirmation-card hidden><div class="sg-card-segment sg-card-segment--body sg-delete-confirmation-pattern__body"><p class="sg-body sg-delete-confirmation-pattern__text" id="lager-open-confirmation-title-' . $lotId . '"><strong>Leere Felder speichern?</strong></p><p class="sg-body sg-delete-confirmation-pattern__text">Die folgenden Felder werden leer gespeichert:</p><div class="sg-delete-confirmation-pattern__list" data-lager-open-confirmation-empty-fields aria-label="Leer zu speichernde Felder"></div><div class="sg-delete-confirmation-pattern__actions"><button class="sg-interaction-element sg-button sg-button--active" type="button" data-lager-open-confirmation-cancel>Abbrechen</button><button class="sg-interaction-element sg-button sg-button--process" type="button" data-lager-open-confirmation-submit>Speichern</button></div></div></article>'
+                . '<article class="sg-card sg-card--overlay-host sg-delete-confirmation-pattern__floating-card" aria-label="Löschbestätigung" role="dialog" aria-modal="true" aria-labelledby="lager-open-delete-title-' . $lotId . '" data-overlay-dialog="delete" data-lager-open-delete-confirmation hidden><div class="sg-card-segment sg-card-segment--body sg-delete-confirmation-pattern__body"><p class="sg-body sg-delete-confirmation-pattern__text" id="lager-open-delete-title-' . $lotId . '"><strong>Möchtest du diese offene Charge wirklich löschen?</strong></p><p class="sg-body sg-delete-confirmation-pattern__text">Du kannst das nicht rückgängig machen. Bestätige durch Eingabe von <span class="sg-delete-confirmation-pattern__code">DELETE</span>.</p><label class="sg-labeled-input-row sg-delete-confirmation-pattern__input-row"><span class="sg-label">Bestätigung</span><input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="text" placeholder="DELETE" aria-label="Löschbestätigung durch DELETE" data-lager-open-delete-confirmation-input></label><p class="sg-body" data-lager-open-delete-status aria-live="polite"></p><div class="sg-delete-confirmation-pattern__actions"><button class="sg-interaction-element sg-button sg-button--active" type="button" data-lager-open-delete-confirmation-cancel>Abbrechen</button><button class="sg-interaction-element sg-button sg-button--process sg-button--process-inactive" type="button" disabled aria-disabled="true" data-lager-open-delete-confirmation-submit>Löschen</button></div></div></article></div>';
+        }
+        $html[] = '</div>';
+    }
+
+    return implode('', $html);
+}
+
+function auth_render_lager_content(array $lagerProducts, array $lagerArtikel, array $lagerManufacturers, string $csrfToken, string $sectionTitle = 'Lager'): string
+{
+    $manufacturerOptions = '<option value="">Hersteller auswählen</option>';
+    foreach ($lagerManufacturers as $manufacturer) {
+        $manufacturerOptions .= '<option value="' . (int) ($manufacturer['id'] ?? 0) . '">' . auth_escape_html((string) ($manufacturer['name'] ?? '')) . '</option>';
+    }
+
+    $tables = $sectionTitle === 'Lager'
+        ? auth_render_lager_table('Produkte', $lagerProducts, ['Produktname', 'Anzahl im Lager', 'Verbraucht bis'], 'products')
+        : auth_render_lager_table('Artikel', $lagerArtikel, ['Artikel-Name', 'Artikelnummer'], 'articles');
+
+    return '<div data-lager-content="true" data-lager-csrf-token="' . auth_escape_html($csrfToken) . '">'
+        . '<section class="sg-card-list-page" aria-label="' . auth_escape_html($sectionTitle) . '">'
+        . $tables
         . '</section>'
         . '<div class="sg-card-list-page-drawer-backdrop" aria-hidden="true" data-lager-drawer-backdrop="true" data-open="false"></div>'
         . '<aside class="sg-card-list-page-drawer" aria-label="Lager-Details" aria-hidden="true" data-lager-drawer="true" data-open="false">'
-        . '<div class="sg-card-list-page-drawer__header"><h2 class="sg-heading-h2 sg-card-list-page-drawer__title" data-lager-drawer-title>Lager-Details</h2><button class="sg-interaction-element sg-hyperlink" type="button" data-lager-drawer-close>schliessen</button></div>'
+        . '<div class="sg-card-list-page-drawer__header"><h2 class="sg-heading-h2 sg-card-list-page-drawer__title" data-lager-drawer-title>Lager-Details</h2></div>'
         . '<div class="sg-card-list-page-drawer__content">'
         . '<article class="sg-card sg-vsf-drawer-card" data-component="card" data-pattern="card" aria-label="Lager-Details">'
         . '<header class="sg-card-segment sg-card-segment--header sg-card-segment--darkblue sg-vsf-drawer-card__header"><div class="sg-strong">Lager-Details</div></header>'
-        . '<div class="sg-card-segment sg-card-segment--body sg-vsf-drawer-card__content"><p class="sg-body"><strong>Name:</strong> <span data-lager-drawer-name-value></span></p><p class="sg-body" data-lager-drawer-value-row><strong data-lager-drawer-value-label>Wert:</strong> <span data-lager-drawer-value-value></span></p></div>'
+        . '<div class="sg-card-segment sg-card-segment--body sg-vsf-drawer-card__content"><p class="sg-body"><strong>Name:</strong> <span data-lager-drawer-name-value></span></p><p class="sg-body" data-lager-drawer-value-row><strong data-lager-drawer-value-label>Wert:</strong> <span data-lager-drawer-value-value></span><br><strong>Voraussichtlich leer:</strong> <span data-lager-drawer-forecast-value>Keine Prognose</span></p></div>'
         . '</article>'
         . '<article class="sg-card sg-card--content-card" data-component="content-card" data-lager-drawer-topic="warning" aria-label="Warnungen">'
-        . '<div class="sg-card-segment sg-card-segment--header sg-card-segment--darkgreen" data-component-part="card-header"><div class="sg-strong sg-text-on-dark">Warnungen</div></div>'
+        . '<div class="sg-card-segment sg-card-segment--header sg-card-segment--darkgreen" data-component-part="card-header" data-lager-drawer-warning-header><div class="sg-strong sg-text-on-dark" data-lager-drawer-warning-title>Keine Warnung</div></div>'
         . '<div class="sg-card-segment sg-card-segment--body" data-component-part="card-body"><p class="sg-body" data-lager-drawer-warning-value></p></div>'
         . '</article>'
-        . '<article class="sg-card sg-card--content-card" data-component="content-card" data-lager-drawer-topic="lot" aria-label="Lagercharge">'
+        . '<div class="sg-inline-controls-row" data-lager-drawer-topic="new-lot-action"><button class="sg-interaction-element sg-button sg-button--active" type="button" data-lager-new-lot-open>Neue Charge anlegen</button></div>'
-        . '<div class="sg-card-segment sg-card-segment--header sg-card-segment--darkgreen" data-component-part="card-header"><div class="sg-strong sg-text-on-dark">Lagercharge</div></div>'
+        . '<article class="sg-card sg-card--content-card" data-lager-drawer-topic="new-lot-form" aria-label="Neue Charge anlegen" hidden>'
-        . '<div class="sg-card-segment sg-card-segment--body" data-component-part="card-body"><p class="sg-body"><strong>Naurua-Chargennummer:</strong> <span data-lager-drawer-lot-number></span><br><strong>Hersteller-Chargennummer:</strong> <span data-lager-drawer-supplier-lot-number></span><br><strong>MHD:</strong> <span data-lager-drawer-expiry-date></span></p></div>'
+        . '<div class="sg-card-segment sg-card-segment--body sg-card-segment--gray"><div class="sg-form-sections-card-wrapper" data-pattern="form-sections" aria-label="Neue Charge anlegen"><form class="sg-form-sections-card" data-lager-new-lot-form-element><div class="sg-form-sections-card__body" data-pattern-part="form-body"><h2 class="sg-strong sg-form-sections-card__title">Neue Charge anlegen</h2>'
+        . '<div class="sg-notifications-pattern" data-lager-new-lot-notification-wrapper hidden><article class="sg-card sg-notifications-pattern__card" data-pattern="notification-small" data-component="notification-card"><div class="sg-card-segment sg-card-segment--header sg-card-segment--signal-green sg-notifications-pattern__text-segment sg-notifications-pattern__text-segment--small" data-component-part="card-header"><p class="sg-body" data-lager-new-lot-notification></p></div></article></div>'
+        . '<section class="sg-form-sections-card__chapter" aria-labelledby="lager-new-charge-data-title"><h2 id="lager-new-charge-data-title" class="sg-strong sg-form-sections-card__chapter-title">Chargendaten</h2>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Naurua-Chargennummer</span><input class="sg-interaction-element sg-input-single-line" type="text" data-lager-new-lot-number required></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Hersteller</span><select class="sg-interaction-element sg-input-single-line" data-lager-new-manufacturer>' . $manufacturerOptions . '</select></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Hersteller-Chargennummer</span><input class="sg-interaction-element sg-input-single-line" type="text" data-lager-new-manufacturer-lot></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Herstellungsdatum</span><input class="sg-interaction-element sg-input-single-line" type="date" data-lager-new-mfg-date></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">MHD</span><input class="sg-interaction-element sg-input-single-line" type="date" data-lager-new-expiry-date></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Einkaufsdatum</span><input class="sg-interaction-element sg-input-single-line" type="date" data-lager-new-purchase-date></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Eingangsmenge</span><input class="sg-interaction-element sg-input-single-line" type="number" min="0" step="1" inputmode="numeric" data-lager-new-receipt-qty placeholder="Menge"></label></div>'
+        . '</section><footer class="sg-form-sections-card__actions-segment" data-pattern-part="form-actions-segment"><div class="sg-form-sections-card__actions" data-pattern-part="form-actions"><button class="sg-interaction-element sg-button sg-button--active sg-form-sections-card__action" type="button" data-lager-new-lot-close>Abbrechen</button><button class="sg-interaction-element sg-button sg-button--process sg-form-sections-card__action" type="submit">Speichern</button></div></footer><p class="sg-body" data-lager-new-lot-status aria-live="polite"></p></div></form></div></div>'
         . '</article>'
+        . '<div data-lager-drawer-topic="open-lots" aria-label="Offene Chargen">' . auth_render_lager_open_lots($lagerProducts, $manufacturerOptions) . '</div>'
+        . '<article class="sg-card sg-card--content-card" data-component="content-card" data-lager-drawer-topic="lot" aria-label="Aktive Charge">'
+        . '<div class="sg-card-segment sg-card-segment--header sg-card-segment--darkgreen sg-object-card__header" data-component-part="card-header"><div class="sg-strong sg-text-on-dark">Aktive Charge</div><button class="sg-interaction-element sg-button sg-button--active" type="button" data-lager-edit-open>Bearbeiten</button></div>'
+        . '<div class="sg-card-segment sg-card-segment--body" data-component-part="card-body" data-lager-read-view><p class="sg-body"><strong>Naurua-Chargennummer:</strong> <span data-lager-drawer-lot-number></span><br><strong>Aktueller Bestand:</strong> <span data-lager-drawer-current-qty></span><br><strong>Eingangsmenge:</strong> <span data-lager-drawer-qty-in></span><br><strong>Hersteller:</strong> <span data-lager-drawer-manufacturer-name></span><br><strong>Hersteller-Chargennummer:</strong> <span data-lager-drawer-manufacturer-lot-number></span><br><strong>Herstellungsdatum:</strong> <span data-lager-drawer-mfg-date></span><br><strong>MHD:</strong> <span data-lager-drawer-expiry-date></span><br><strong>Einkaufsdatum:</strong> <span data-lager-drawer-purchase-date></span></p></div>' . auth_render_lager_documents([], false, 'current-read')
+        . '<div class="sg-card-segment sg-card-segment--body sg-card-segment--gray" data-lager-edit-form hidden><div class="sg-form-sections-card-wrapper" data-pattern="form-sections" aria-label="Aktive Charge bearbeiten">'
+        . '<form class="sg-form-sections-card" id="lager-edit-form" data-lager-edit-form-element><div class="sg-form-sections-card__body" data-pattern-part="form-body"><h2 class="sg-strong sg-form-sections-card__title">Aktive Charge bearbeiten</h2>'
+        . '<section class="sg-form-sections-card__chapter" aria-labelledby="lager-charge-traceability-title"><h2 id="lager-charge-traceability-title" class="sg-strong sg-form-sections-card__chapter-title">Rückverfolgbarkeit</h2>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Naurua-Chargennummer</span><input class="sg-interaction-element sg-input-single-line sg-form-inactive-selectable" type="text" data-lager-lot-number readonly></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Hersteller</span><select class="sg-interaction-element sg-input-single-line" id="lager-manufacturer" data-lager-manufacturer>' . $manufacturerOptions . '</select></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Hersteller-Chargennummer</span><input class="sg-interaction-element sg-input-single-line" type="text" id="lager-manufacturer-lot" data-lager-manufacturer-lot></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Herstellungsdatum</span><input class="sg-interaction-element sg-input-single-line" type="date" id="lager-mfg-date" data-lager-mfg-date></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">MHD</span><input class="sg-interaction-element sg-input-single-line" type="date" id="lager-expiry-date" data-lager-expiry-date></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Einkaufsdatum</span><input class="sg-interaction-element sg-input-single-line" type="date" id="lager-purchase-date" data-lager-purchase-date></label></div>'
+        . '</section><section class="sg-form-sections-card__chapter" aria-labelledby="lager-charge-movements-title"><h2 id="lager-charge-movements-title" class="sg-strong sg-form-sections-card__chapter-title">Lagerbewegungen</h2>'
+        . '<p class="sg-form-sections-card__sentence">Buchungen werden zusätzlich zur Rückverfolgbarkeit als Lagerbewegung gespeichert. Positive Werte erhöhen den Bestand, negative Werte reduzieren ihn.</p>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Zugang buchen</span><input class="sg-interaction-element sg-input-single-line" type="number" min="0" step="0.01" inputmode="decimal" data-lager-receipt-qty placeholder="Menge"></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Bestandskorrektur (+ / −)</span><input class="sg-interaction-element sg-input-single-line" type="number" step="1" inputmode="numeric" data-lager-adjustment-qty placeholder="+ / − Menge"></label></div>'
+        . '<div class="sg-form-sections-card__field-group"><label class="sg-labeled-input-row"><span class="sg-label">Abgang buchen</span><input class="sg-interaction-element sg-input-single-line" type="number" min="0" step="0.01" inputmode="decimal" data-lager-out-qty placeholder="Menge"></label></div>'
+        . '</section></div></form></div></div>'
+        . auth_render_lager_documents([], true, 'current-edit')
+        . '<footer class="sg-card-segment sg-card-segment--body sg-card-segment--gray" data-lager-edit-actions hidden><div class="sg-form-sections-card-wrapper" data-pattern="form-sections"><div class="sg-form-sections-card"><div class="sg-form-sections-card__actions" data-pattern-part="form-actions"><button class="sg-interaction-element sg-button sg-button--active sg-form-sections-card__action" type="button" data-lager-edit-close>Abbrechen</button><button class="sg-interaction-element sg-button sg-button--process sg-form-sections-card__action" type="submit" form="lager-edit-form">Speichern</button></div><p class="sg-body" data-lager-edit-status aria-live="polite"></p></div></div></footer>'
+        . '</article>'
+        . '<div data-lager-drawer-topic="historical-lots" aria-label="Vergangene Chargen">' . auth_render_lager_historical_lots($lagerProducts) . '</div>'
         . '<article class="sg-card sg-card--content-card" data-component="content-card" data-lager-drawer-topic="virtual-lot" aria-label="Virtuelle Charge">'
         . '<div class="sg-card-segment sg-card-segment--header sg-card-segment--darkgreen" data-component-part="card-header"><div class="sg-strong sg-text-on-dark">Virtuelle Charge</div></div>'
         . '<div class="sg-card-segment sg-card-segment--body" data-component-part="card-body"><p class="sg-body" data-lager-drawer-virtual-lot-value></p></div>'
@@ -310,7 +480,7 @@ function auth_render_lager_content(array $lagerProducts, array $lagerArtikel): s
         . '</div>';
 }
 
-function render_auth_home_page(array $user, array $otcProducts = [], array $bestellungenTable = [], array $lagerProducts = [], array $lagerArtikel = []): void
+function render_auth_home_page(array $user, array $otcProducts = [], array $bestellungenTable = [], array $lagerProducts = [], array $lagerArtikel = [], array $lagerManufacturers = []): void
 {
     $otcProductRows = '';
     foreach ($otcProducts as $product) {
@@ -324,9 +494,9 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
         $disabledAttribute = $hasSellableMapping ? '' : ' disabled aria-disabled="true"';
 
         $otcProductRows .= '<div class="sg-form-sections-card__field-group">';
-        $otcProductRows .= '<label class="sg-label" for="' . $inputId . '">' . $productName . ($productSku !== '' ? ' (' . $productSku . ')' : '') . $mappingNote . '</label>';
+        $otcProductRows .= '<label class="sg-labeled-input-row sg-otc-order-product-row"><span class="sg-label">' . $productName . ($productSku !== '' ? ' (' . $productSku . ')' : '') . $mappingNote . '</span>';
-        $otcProductRows .= '<input class="sg-interaction-element sg-input-single-line" type="number" id="' . $inputId . '" min="0" step="1" data-otc-order-product data-product-id="' . $productId . '" data-title="' . $productName . '" data-available-qty="' . $availableQty . '"' . $disabledAttribute . '>';
+        $otcProductRows .= '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="number" id="' . $inputId . '" min="0" step="1" data-otc-order-product data-product-id="' . $productId . '" data-title="' . $productName . '" data-available-qty="' . $availableQty . '"' . $disabledAttribute . '>';
-        $otcProductRows .= '<p class="sg-body sg-form-sections-card__sentence">Physischer Bestand: ' . $availableQty . '</p>';
+        $otcProductRows .= '</label>';
         $otcProductRows .= '</div>';
     }
 
@@ -344,11 +514,12 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
         JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES
     );
     $bestellungenContent = auth_render_bestellungen_content($bestellungenTable);
-    $lagerContent = auth_render_lager_content($lagerProducts, $lagerArtikel);
+    $lagerContent = auth_render_lager_content($lagerProducts, $lagerArtikel, $lagerManufacturers, auth_csrf_token());
     $moduleContentCards = json_encode(
         [
             'Bestellungen' => $bestellungenContent,
             'Lager' => $lagerContent,
+            'Artikel' => auth_render_lager_content([], $lagerArtikel, $lagerManufacturers, auth_csrf_token(), 'Artikel'),
         ],
         JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES
     );
@@ -429,44 +600,40 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo '</section>';
     echo '</section>';
     echo '<section class="sg-otc-order-overlay" data-otc-order-overlay data-open="false" aria-hidden="true">';
-    echo '<article class="sg-card sg-object-card sg-object-card--variable-height sg-otc-order-overlay__panel" data-pattern="object-card" aria-labelledby="otc-order-modal-title" role="dialog" aria-modal="true">';
+    echo '<div class="sg-delete-confirmation-pattern__stage sg-delete-confirmation-pattern__host sg-object-card" data-pattern="overlay-card" data-dialog-open="false" data-otc-confirmation-stage>';
-    echo '<header class="sg-card-segment sg-card-segment--header sg-card-segment--darkblue sg-object-card__header">';
+    echo '<article class="sg-card sg-scrollable-card sg-delete-confirmation-pattern__target sg-otc-order-overlay__panel" data-pattern="scrollable-card" aria-labelledby="otc-order-modal-title" role="dialog" aria-modal="true">';
+    echo '<header class="sg-card-segment sg-card-segment--header sg-card-segment--darkblue sg-scrollable-card__header sg-object-card__header" data-pattern-part="scrollable-card-header">';
     echo '<h2 id="otc-order-modal-title" class="sg-strong sg-otc-order-overlay__title">Neuen OTC-Verkauf erfassen</h2>';
     echo '<button class="sg-interaction-element sg-button sg-button--active sg-otc-order-overlay__close" type="button" data-otc-order-close>Schliessen</button>';
     echo '</header>';
-    echo '<div class="sg-card-segment sg-card-segment--gray sg-object-card__content">';
+    echo '<div class="sg-card-segment sg-card-segment--gray sg-scrollable-card__content sg-object-card__content" data-pattern-part="scrollable-card-content" tabindex="0" aria-label="Scrollbarer Formularinhalt">';
     echo '<div class="sg-form-sections-card-wrapper" data-pattern="form-sections" aria-label="Formular mit Abschnitten">';
-    echo '<form class="sg-form-sections-card" action="#" method="post" data-otc-order-form aria-label="Neuen OTC-Verkauf erfassen">';
+    echo '<form id="otc-order-form" class="sg-form-sections-card" action="#" method="post" data-otc-order-form aria-label="Neuen OTC-Verkauf erfassen">';
     echo '<div class="sg-form-sections-card__body" data-pattern-part="form-body">';
     echo '<section class="sg-form-sections-card__chapter" aria-labelledby="otc-products-title">';
     echo '<h2 id="otc-products-title" class="sg-strong sg-form-sections-card__chapter-title">PRODUKTE</h2>';
     echo $otcProductRows;
     echo '</section>';
-    echo '<section class="sg-form-sections-card__chapter" aria-labelledby="otc-total-price-title">';
-    echo '<h2 id="otc-total-price-title" class="sg-strong sg-form-sections-card__chapter-title">Preis</h2>';
-    echo '<div class="sg-form-sections-card__field-group">';
-    echo '<label class="sg-label" for="otc-total-price">Preis alle Flaschen brutto (CHF)</label>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="number" id="otc-total-price" min="0" step="0.01" data-otc-order-total-price>';
-    echo '<p class="sg-body sg-form-sections-card__sentence">Der Preis wird durch die Anzahl aller Flaschen geteilt und das Ergebnis ist der Preis jeder einzelnen Flasche.</p>';
-    echo '</div>';
-    echo '</section>';
     echo '<section class="sg-form-sections-card__chapter" aria-labelledby="otc-order-date-title">';
     echo '<h2 id="otc-order-date-title" class="sg-strong sg-form-sections-card__chapter-title">Datum</h2>';
     echo '<div class="sg-form-sections-card__field-group">';
-    echo '<label class="sg-label" for="otc-order-date">Bestelldatum</label>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">Bestelldatum</span>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="date" id="otc-order-date" value="' . htmlspecialchars(date('Y-m-d'), ENT_QUOTES, 'UTF-8') . '" data-otc-order-date>';
+    echo '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="date" id="otc-order-date" value="' . htmlspecialchars(date('Y-m-d'), ENT_QUOTES, 'UTF-8') . '" data-otc-order-date>';
+    echo '</label>';
     echo '</div>';
     echo '</section>';
     echo '<section class="sg-form-sections-card__chapter" aria-labelledby="otc-payment-title">';
     echo '<h2 id="otc-payment-title" class="sg-strong sg-form-sections-card__chapter-title">Bezahlung</h2>';
     echo '<div data-otc-payment-rows>';
     echo '<div class="sg-form-sections-card__field-group" data-otc-payment-row>';
-    echo '<label class="sg-label" for="otc-payment-method-1">Bezahlart</label>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">Bezahlart</span>';
-    echo '<select class="sg-interaction-element sg-input-single-line" id="otc-payment-method-1" data-otc-payment-method>';
+    echo '<select class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable sg-pulldown" id="otc-payment-method-1" data-otc-payment-method>';
     echo '<option value="twint">Twint</option><option value="card">Kreditkarte</option><option value="cash">Barzahlung</option><option value="paypal">PayPal</option><option value="bank_transfer">Überweisung</option>';
     echo '</select>';
-    echo '<label class="sg-label" for="otc-payment-amount-1">Betrag (CHF)</label>';
+    echo '</label>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="number" id="otc-payment-amount-1" min="0.01" step="0.01" value="0.00" data-otc-payment-amount>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">Betrag (CHF)</span>';
+    echo '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="number" id="otc-payment-amount-1" min="0.01" step="0.01" value="0.00" data-otc-payment-amount>';
+    echo '</label>';
     echo '</div>';
     echo '</div>';
     echo '<div class="sg-form-sections-card__actions-segment">';
@@ -476,44 +643,63 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo '<section class="sg-form-sections-card__chapter" aria-labelledby="otc-billing-title">';
     echo '<h2 id="otc-billing-title" class="sg-strong sg-form-sections-card__chapter-title">Rechnungsadresse</h2>';
     echo '<div class="sg-form-sections-card__field-group">';
-    echo '<label class="sg-label" for="otc-first-name">Vorname</label>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">Vorname</span>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="text" id="otc-first-name" value="Fabienne" data-otc-order-first-name>';
+    echo '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="text" id="otc-first-name" value="Fabienne" data-otc-order-first-name>';
+    echo '</label>';
     echo '</div>';
     echo '<div class="sg-form-sections-card__field-group">';
-    echo '<label class="sg-label" for="otc-last-name">Nachname</label>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">Nachname</span>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="text" id="otc-last-name" value="Föhn" data-otc-order-last-name>';
+    echo '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="text" id="otc-last-name" value="Föhn" data-otc-order-last-name>';
+    echo '</label>';
     echo '</div>';
     echo '<div class="sg-form-sections-card__field-group">';
-    echo '<label class="sg-label" for="otc-street">Strasse</label>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">Strasse</span>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="text" id="otc-street" value="Im Hochrain" data-otc-order-street>';
+    echo '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="text" id="otc-street" value="Im Hochrain" data-otc-order-street>';
+    echo '</label>';
     echo '</div>';
     echo '<div class="sg-form-sections-card__field-group">';
-    echo '<label class="sg-label" for="otc-house-number">Hausnummer</label>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">Hausnummer</span>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="text" id="otc-house-number" value="2" data-otc-order-house-number>';
+    echo '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="text" id="otc-house-number" value="2" data-otc-order-house-number>';
+    echo '</label>';
     echo '</div>';
     echo '<div class="sg-form-sections-card__field-group">';
-    echo '<label class="sg-label" for="otc-zip">PLZ</label>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">PLZ</span>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="text" id="otc-zip" value="8102" data-otc-order-zip>';
+    echo '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="text" id="otc-zip" value="8102" data-otc-order-zip>';
+    echo '</label>';
     echo '</div>';
     echo '<div class="sg-form-sections-card__field-group">';
-    echo '<label class="sg-label" for="otc-city">Ort</label>';
+    echo '<label class="sg-labeled-input-row"><span class="sg-label">Ort</span>';
-    echo '<input class="sg-interaction-element sg-input-single-line" type="text" id="otc-city" value="Oberengstringen" data-otc-order-city>';
+    echo '<input class="sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable" type="text" id="otc-city" value="Oberengstringen" data-otc-order-city>';
+    echo '</label>';
     echo '</div>';
     echo '<div class="sg-form-sections-card__field-group">';
     echo '<div class="sg-body sg-otc-order-form__status hidden" data-otc-order-success>Bestellung erfolgreich erfasst! Die Bestellnummer wird automatisch generiert.</div>';
     echo '<div class="sg-body sg-otc-order-form__status sg-otc-order-form__status--error hidden" data-otc-order-error></div>';
     echo '</div>';
     echo '</div>';
-    echo '<footer class="sg-form-sections-card__actions-segment" data-pattern-part="form-actions-segment">';
-    echo '<div class="sg-form-sections-card__actions" data-pattern-part="form-actions">';
-    echo '<button class="sg-interaction-element sg-button sg-button--active sg-form-sections-card__action" type="button" data-otc-order-close>Abbrechen</button>';
-    echo '<button class="sg-interaction-element sg-button sg-button--process sg-button--process-inactive sg-form-sections-card__action" type="submit" disabled aria-disabled="true" data-otc-order-submit>Verkaufen</button>';
-    echo '</div>';
-    echo '</footer>';
     echo '</form>';
     echo '</div>';
     echo '</div>';
+    echo '<footer class="sg-card-segment sg-card-segment--body sg-scrollable-card__actions-segment" data-pattern-part="scrollable-card-actions">';
+    echo '<div class="sg-scrollable-card__actions">';
+    echo '<button class="sg-interaction-element sg-button sg-button--active" type="button" form="otc-order-form" data-otc-order-close>Abbrechen</button>';
+    echo '<button class="sg-interaction-element sg-button sg-button--process sg-button--process-inactive" type="submit" form="otc-order-form" disabled aria-disabled="true" data-otc-order-submit>Weiter</button>';
+    echo '</div>';
+    echo '</footer>';
     echo '</article>';
+    echo '<article class="sg-card sg-card--overlay-host sg-delete-confirmation-pattern__floating-card" aria-label="Verkaufsbestätigung" role="dialog" aria-modal="true" aria-labelledby="otc-confirmation-title" data-otc-confirmation-card hidden>';
+    echo '<div class="sg-card-segment sg-card-segment--body sg-delete-confirmation-pattern__body">';
+    echo '<p class="sg-body sg-delete-confirmation-pattern__text" id="otc-confirmation-title"><strong>Verkauf bestätigen</strong></p>';
+    echo '<div class="sg-delete-confirmation-pattern__list" data-otc-confirmation-products aria-label="Produkte"></div>';
+    echo '<p class="sg-body sg-delete-confirmation-pattern__text"><strong>Gesamtzahl Flaschen: <span data-otc-confirmation-quantity>0</span></strong></p>';
+    echo '<p class="sg-body sg-delete-confirmation-pattern__text"><strong>Gesamtbetrag: CHF <span data-otc-confirmation-total>0.00</span></strong></p>';
+    echo '<div class="sg-delete-confirmation-pattern__actions">';
+    echo '<button class="sg-interaction-element sg-button sg-button--active" type="button" data-otc-confirmation-cancel>Abbrechen</button>';
+    echo '<button class="sg-interaction-element sg-button sg-button--process" type="button" data-otc-confirmation-submit>Verkaufen</button>';
+    echo '</div>';
+    echo '</div>';
+    echo '</article>';
+    echo '</div>';
     echo '</section>';
     echo '<script src="/scripts/help-icon-overlays.js"></script>';
     echo '<script>';
@@ -536,7 +722,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  if (contentTitle) { contentTitle.textContent = activeEntry; }";
     echo "  if (contentBody) { contentBody.innerHTML = portalModuleContentCards[activeEntry] || ''; }";
     echo "  if (activeEntry === 'Bestellungen') { initBestellungenBindings(); }";
-    echo "  if (activeEntry === 'Lager') { initLagerBindings(); }";
+    echo "  if (activeEntry === 'Lager' || activeEntry === 'Artikel') { initLagerBindings(); }";
     echo "  menu.innerHTML = '';";
     echo "  entries.forEach((entry, index) => {";
     echo "    const button = document.createElement('button');";
@@ -557,7 +743,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "      if (contentTitle) { contentTitle.textContent = entryName; }";
     echo "      if (contentBody) { contentBody.innerHTML = portalModuleContentCards[entryName] || ''; }";
     echo "      if (entryName === 'Bestellungen') { initBestellungenBindings(); }";
-    echo "      if (entryName === 'Lager') { initLagerBindings(); }";
+    echo "      if (entryName === 'Lager' || entryName === 'Artikel') { initLagerBindings(); }";
     echo "    });";
     echo "  });";
     echo "};";
@@ -636,7 +822,6 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  mediaQuery.addEventListener('change', syncMode);";
     echo "})();";
     echo "let bestellungenTableHandlersInstalled = false;";
-    echo "let bestellungenRealtimeSource = null;";
     echo "let lagerBindingsInstalled = false;";
     echo "function initLagerBindings() {";
     echo "  if (lagerBindingsInstalled) { return; }";
@@ -645,27 +830,13 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  lagerBindingsInstalled = true;";
     echo "  let lagerMobileDetailHost = null;";
     echo "  let lagerMobileDetailOpen = false;";
-    echo "  const escapeLagerHtml = (value) => String(value ?? '').replace(/[&<>\"']/g, (character) => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '\"': '&quot;', \"'\": '&#39;' }[character] || character));";
+    echo "  const renderLagerMobileDetail = (sourceDrawer, trigger) => { const type = trigger.dataset.lagerDrawerType || 'Lager'; const name = trigger.dataset.lagerDrawerName || ''; const value = trigger.dataset.lagerDrawerValue || ''; sourceDrawer.querySelector('[data-lager-drawer-title]').textContent = type + ': ' + name; sourceDrawer.querySelector('[data-lager-drawer-name-value]').textContent = name; sourceDrawer.querySelector('[data-lager-drawer-value-label]').textContent = type === 'Produkt' ? 'Anzahl im Lager:' : 'Artikelnummer:'; sourceDrawer.querySelector('[data-lager-drawer-value-value]').textContent = value; sourceDrawer.querySelectorAll('[data-lager-drawer-topic]').forEach((card) => { card.hidden = type !== 'Produkt'; }); const newLotForm = sourceDrawer.querySelector('[data-lager-drawer-topic=\"new-lot-form\"]'); if (newLotForm) { newLotForm.hidden = true; } const newLotAction = sourceDrawer.querySelector('[data-lager-drawer-topic=\"new-lot-action\"]'); if (newLotAction) { newLotAction.hidden = false; } if (type === 'Produkt') { const warning = trigger.dataset.lagerDrawerForecastWarning === 'true' || trigger.dataset.lagerDrawerForecastMhdWarning === 'true'; const warningValue = sourceDrawer.querySelector('[data-lager-drawer-warning-value]'); if (warningValue) { warningValue.textContent = warning ? (trigger.dataset.lagerDrawerForecast || 'Keine Prognose') : 'Keine akute Warnung.'; } const warningTitle = sourceDrawer.querySelector('[data-lager-drawer-warning-title]'); if (warningTitle) { warningTitle.textContent = getLagerWarningTitle(trigger); } sourceDrawer.querySelector('[data-lager-drawer-lot-number]').textContent = trigger.dataset.lagerDrawerLotNumber || 'Nicht hinterlegt'; sourceDrawer.querySelector('[data-lager-drawer-current-qty]').textContent = trigger.dataset.lagerDrawerCurrentQty || '0'; sourceDrawer.querySelector('[data-lager-drawer-qty-in]').textContent = trigger.dataset.lagerDrawerQtyIn || '0'; sourceDrawer.querySelector('[data-lager-drawer-manufacturer-name]').textContent = trigger.dataset.lagerDrawerManufacturerName || 'Nicht hinterlegt'; sourceDrawer.querySelector('[data-lager-drawer-manufacturer-lot-number]').textContent = trigger.dataset.lagerDrawerManufacturerLotNumber || 'Nicht hinterlegt'; sourceDrawer.querySelector('[data-lager-drawer-mfg-date]').textContent = trigger.dataset.lagerDrawerMfgDate || 'Nicht hinterlegt'; sourceDrawer.querySelector('[data-lager-drawer-expiry-date]').textContent = trigger.dataset.lagerDrawerExpiryDate || 'Nicht hinterlegt'; sourceDrawer.querySelector('[data-lager-drawer-purchase-date]').textContent = trigger.dataset.lagerDrawerPurchaseDate || 'Nicht hinterlegt'; const productId = trigger.closest('[data-lager-row]')?.dataset.lagerId || ''; sourceDrawer.querySelectorAll('[data-lager-historical-product]').forEach((product) => { product.hidden = product.dataset.lagerHistoricalProduct !== productId; }); } const host = document.createElement('div'); host.className = 'sg-lager-mobile-detail-host'; host.dataset.lagerMobileDetailHost = 'true'; host.innerHTML = '<div class=\"sg-navigation-card-layout sg-mobile-detail-back-card\"><div class=\"sg-navigation-card-block\"><article class=\"sg-card\" data-component=\"card\" data-pattern=\"navigation-card\" aria-label=\"Navigation Detailansicht zurück oben\"><div class=\"sg-card-segment sg-card-segment--body\" data-component-part=\"card-body\" data-pattern-part=\"navigation-card-segment\"><div class=\"sg-navigation-card-center\"><button class=\"sg-interaction-element sg-hyperlink\" type=\"button\" data-lager-detail-back>zurück</button></div></div></article></div></div>'; const mobileDrawer = sourceDrawer; mobileDrawer.dataset.lagerMobileDrawer = 'true'; mobileDrawer.dataset.open = 'true'; mobileDrawer.setAttribute('aria-hidden', 'false'); host.appendChild(sourceDrawer); return host; };";
-    echo "  const renderLagerMobileDetail = (trigger) => {";
-    echo "    const type = trigger.dataset.lagerDrawerType || 'Lager';";
-    echo "    const name = trigger.dataset.lagerDrawerName || '';";
-    echo "    const value = trigger.dataset.lagerDrawerValue || '';";
-    echo "    const isProduct = type === 'Produkt';";
-    echo "    const forecast = trigger.dataset.lagerDrawerForecast || 'Keine Prognose';";
-    echo "    const warning = trigger.dataset.lagerDrawerForecastWarning === 'true' || trigger.dataset.lagerDrawerForecastMhdWarning === 'true';";
-    echo "    const warningText = warning ? forecast : 'Keine akute Warnung.';";
-    echo "    const lotNumber = trigger.dataset.lagerDrawerLotNumber || 'Nicht hinterlegt';";
-    echo "    const supplierLotNumber = trigger.dataset.lagerDrawerSupplierLotNumber || 'Nicht hinterlegt';";
-    echo "    const expiryDate = trigger.dataset.lagerDrawerExpiryDate || 'Nicht hinterlegt';";
-    echo "    const virtualLot = trigger.dataset.lagerDrawerVirtualLotNumber || '';";
-    echo "    return ['<div class=\"sg-lager-mobile-detail-host\" data-lager-mobile-detail-host=\"true\">', '<div class=\"sg-navigation-card-layout\">', '<div class=\"sg-navigation-card-block\">', '<article class=\"sg-card\" data-component=\"card\" data-pattern=\"navigation-card\" aria-label=\"Navigation Detailansicht zurück oben\">', '<div class=\"sg-card-segment sg-card-segment--body\" data-component-part=\"card-body\" data-pattern-part=\"navigation-card-segment\">', '<div class=\"sg-navigation-card-center\">', '<button class=\"sg-interaction-element sg-hyperlink\" type=\"button\" data-lager-detail-back>zurück</button>', '</div></div></article></div></div>', '<article class=\"sg-card sg-vsf-drawer-card\" data-component=\"card\" data-pattern=\"card\" aria-label=\"Lager-Details\">', '<header class=\"sg-card-segment sg-card-segment--header sg-card-segment--darkblue\"><div class=\"sg-strong\">' + escapeLagerHtml(type) + ': ' + escapeLagerHtml(name) + '</div></header>', '<div class=\"sg-card-segment sg-card-segment--body sg-vsf-drawer-card__content\"><p class=\"sg-body\"><strong>Name:</strong> ' + escapeLagerHtml(name) + '</p><p class=\"sg-body\"><strong>' + (isProduct ? 'Anzahl im Lager:' : 'Artikelnummer:') + '</strong> ' + escapeLagerHtml(value) + '</p>' + (isProduct ? '<p class=\"sg-body\"><strong>Warnungen:</strong> ' + escapeLagerHtml(warningText) + '</p><p class=\"sg-body\"><strong>Naurua-Chargennummer:</strong> ' + escapeLagerHtml(lotNumber) + '<br><strong>Hersteller-Chargennummer:</strong> ' + escapeLagerHtml(supplierLotNumber) + '<br><strong>MHD:</strong> ' + escapeLagerHtml(expiryDate) + '</p><p class=\"sg-body\"><strong>Virtuelle Charge:</strong> ' + escapeLagerHtml(virtualLot || 'Keine virtuelle Fehlbestandscharge vorhanden.') + '</p>' : '') + '</div></article></div>'].join('');";
-    echo "  };";
     echo "  const restoreLagerMobileDetail = () => {";
-    echo "    if (lagerMobileDetailHost && lagerMobileDetailHost.parentNode) { lagerMobileDetailHost.parentNode.removeChild(lagerMobileDetailHost); }";
+    echo "    if (lagerMobileDetailHost && lagerMobileDetailHost.parentNode) { const mobileDrawer = lagerMobileDetailHost.querySelector('[data-lager-mobile-drawer]'); if (mobileDrawer) { contentRoot.appendChild(mobileDrawer); mobileDrawer.removeAttribute('data-lager-mobile-drawer'); mobileDrawer.dataset.open = 'false'; mobileDrawer.setAttribute('aria-hidden', 'true'); } lagerMobileDetailHost.parentNode.removeChild(lagerMobileDetailHost); }";
     echo "    lagerMobileDetailHost = null; lagerMobileDetailOpen = false; document.body.classList.remove('sg-lager-mobile-detail-open');";
     echo "  };";
     echo "  const openLagerMobileDetail = (trigger) => {";
-    echo "    restoreLagerMobileDetail(); const host = document.createElement('div'); host.innerHTML = renderLagerMobileDetail(trigger); lagerMobileDetailHost = host.firstElementChild;";
+    echo "    restoreLagerMobileDetail(); const sourceDrawer = contentRoot.querySelector('[data-lager-drawer]'); lagerMobileDetailHost = sourceDrawer ? renderLagerMobileDetail(sourceDrawer, trigger) : null; const mobileDrawer = lagerMobileDetailHost?.querySelector('[data-lager-mobile-drawer]'); if (mobileDrawer) { const virtualLot = trigger.dataset.lagerDrawerVirtualLotNumber || ''; const virtualLotValue = mobileDrawer.querySelector('[data-lager-drawer-virtual-lot-value]'); if (virtualLotValue) { virtualLotValue.textContent = virtualLot ? 'Virtuelle Charge: ' + virtualLot : 'Keine virtuelle Fehlbestandscharge vorhanden.'; } }";
     echo "    if (lagerMobileDetailHost) { document.body.appendChild(lagerMobileDetailHost); document.body.classList.add('sg-lager-mobile-detail-open'); }";
     echo "    lagerMobileDetailOpen = true; window.history.pushState({ ...(window.history.state || {}), lagerView: 'detail' }, '', window.location.href);";
     echo "  };";
@@ -674,21 +845,62 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "    if (window.history.state && window.history.state.lagerView === 'detail') { window.history.back(); return; }";
     echo "    restoreLagerMobileDetail();";
     echo "  };";
-    echo "  const getDrawer = () => contentRoot.querySelector('[data-lager-drawer]');";
+    echo "  const getDrawer = () => document.querySelector('[data-lager-mobile-drawer]') || contentRoot.querySelector('[data-lager-drawer]');";
     echo "  const setDrawerState = (open) => {";
     echo "    const drawer = getDrawer(); const backdrop = contentRoot.querySelector('[data-lager-drawer-backdrop]');";
     echo "    if (!drawer || !backdrop) { return; }";
     echo "    drawer.dataset.open = String(open); drawer.setAttribute('aria-hidden', String(!open)); backdrop.dataset.open = String(open); backdrop.setAttribute('aria-hidden', String(!open)); document.body.classList.toggle('sg-card-list-page-drawer-open', open);";
     echo "  };";
+    echo "  const getLagerWarningTitle = (trigger) => trigger.dataset.lagerDrawerForecastStatus === 'depleted' ? 'Warnung: Charge ist aufgebraucht' : (trigger.dataset.lagerDrawerForecastMhdWarning === 'true' ? 'Warnung: MHD wird vor Chargenende erreicht' : (trigger.dataset.lagerDrawerForecastWarning === 'true' ? 'Warnung: Charge wird innerhalb von drei Monaten aufgebraucht sein' : 'Keine Warnung'));";
+    echo "  const escapeLagerHtml = (value) => String(value ?? '').replace(/[&<>\"']/g, (character) => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '\"': '&quot;', \"'\": '&#39;' }[character] || character));";
+    echo "  const renderLagerDocumentRows = (documents, editable) => { if (!documents.length) { return '<p class=\"sg-body\">Keine Dokumente vorhanden.</p>'; } return documents.map((document) => { const id = Number(document.id || 0); const filename = escapeLagerHtml(document.original_filename || 'Dokument'); if (!editable) { return '<p class=\"sg-body\" data-lager-document-row=\"' + id + '\"><a class=\"sg-hyperlink\" href=\"/api/lager-document.php?id=' + id + '\" data-component=\"hyperlink\">' + filename + '</a></p>'; } return '<div class=\"sg-form-sections-card__field-group\" data-lager-document-edit-row=\"' + id + '\"><span class=\"sg-body\">' + filename + ' <span class=\"sg-tab-button-group\" role=\"tablist\" aria-label=\"Dokument entfernen\" data-component=\"tab-navigation\" data-component-size=\"compact\"><button class=\"sg-interaction-element sg-button sg-tab-button sg-tab-button--compact\" type=\"button\" role=\"tab\" aria-selected=\"false\" data-component-part=\"tab-button\" aria-label=\"Dokument entfernen: ' + filename + '\" data-lager-document-delete=\"' + id + '\">×</button></span></span></div>'; }).join(''); };";
+    echo "  const syncLagerDocumentViews = (root, documents) => { const read = root?.querySelector('[data-lager-documents-read]'); const edit = root?.querySelector('[data-lager-documents-edit]'); const upload = root?.querySelector('[data-lager-document-upload-form]'); if (read) { read.innerHTML = renderLagerDocumentRows(documents, false); } if (edit) { edit.innerHTML = renderLagerDocumentRows(documents, true); if (upload) { edit.appendChild(upload); } } };";
+    echo "  const syncLagerCurrentDocuments = (trigger) => { const drawer = getDrawer(); if (!drawer) { return; } let documents = []; try { documents = JSON.parse(trigger.dataset.lagerDrawerDocuments || '[]'); } catch (error) { documents = []; } syncLagerDocumentViews(drawer.querySelector('[data-lager-documents=\"current-read\"]'), documents); syncLagerDocumentViews(drawer.querySelector('[data-lager-documents=\"current-edit\"]'), documents); };";
+    echo "  const renderLagerSelectedFiles = (scope) => { const input = scope?.querySelector('[data-lager-document-file]'); const list = scope?.querySelector('[data-lager-document-selected-files]'); const status = scope?.querySelector('[data-lager-document-status]'); if (!input || !list) { return; } const files = Array.from(input.files || []); list.replaceChildren(...files.map((file, index) => { const item = document.createElement('li'); item.className = 'sg-file-upload__file'; const name = document.createElement('span'); name.className = 'sg-file-upload__file-name sg-body'; name.append(document.createTextNode(file.name + ' ')); const navigation = document.createElement('span'); navigation.className = 'sg-tab-button-group'; navigation.setAttribute('role', 'tablist'); navigation.setAttribute('aria-label', 'Datei entfernen'); navigation.dataset.component = 'tab-navigation'; navigation.dataset.componentSize = 'compact'; const remove = document.createElement('button'); remove.className = 'sg-interaction-element sg-button sg-tab-button sg-tab-button--compact sg-file-upload__remove'; remove.type = 'button'; remove.setAttribute('role', 'tab'); remove.setAttribute('aria-selected', 'false'); remove.setAttribute('data-component-part', 'tab-button'); remove.setAttribute('aria-label', 'Datei entfernen: ' + file.name); remove.dataset.lagerDocumentRemoveIndex = String(index); remove.textContent = '×'; navigation.append(remove); name.append(navigation); item.append(name); return item; })); list.hidden = files.length === 0; if (status && !status.textContent.includes('Upload') && !status.textContent.includes('hochgeladen')) { status.textContent = files.length ? files.length + ' Datei(en) ausgewählt.' : 'Noch keine Dateien ausgewählt.'; } };";
     echo "  const closeDrawer = () => { setDrawerState(false); contentRoot.querySelectorAll('[data-lager-drawer-open]').forEach((trigger) => trigger.setAttribute('aria-expanded', 'false')); };";
-    echo "  contentRoot.addEventListener('click', (event) => {";
+    echo "  document.addEventListener('click', (event) => { const trigger = event.target.closest('[data-lager-drawer-open]'); if (!trigger || trigger.dataset.lagerDrawerType !== 'Produkt') { return; } const drawer = getDrawer(); const forecast = drawer?.querySelector('[data-lager-drawer-forecast-value]'); if (forecast) { forecast.textContent = trigger.dataset.lagerDrawerForecast || 'Keine Prognose'; } syncLagerCurrentDocuments(trigger); });";
+    echo "  const getLagerForecastWarningText = (forecast, trigger, text) => { if (forecast?.status === 'depleted' || trigger?.dataset.lagerDrawerForecastStatus === 'depleted') { return 'Die Charge ist aufgebraucht. Voraussichtlich leer: ' + text + '.'; } if (trigger?.dataset.lagerDrawerForecastMhdWarning === 'true') { const expiry = trigger.dataset.lagerDrawerExpiryDate ? new Date(trigger.dataset.lagerDrawerExpiryDate + 'T00:00:00').toLocaleDateString('de-CH') : 'dem MHD'; return 'Das MHD wird am ' + expiry + ' erreicht, bevor das Lager leer ist. Voraussichtlich leer: ' + text + '.'; } if (trigger?.dataset.lagerDrawerForecastWarning === 'true') { return 'Voraussichtlich leer: ' + text + '.'; } return 'Keine akute Warnung.'; };";
+    echo "  document.addEventListener('click', (event) => { const trigger = event.target.closest('[data-lager-drawer-open]'); if (!trigger || trigger.dataset.lagerDrawerType !== 'Produkt') { return; } const drawer = getDrawer(); const warningValue = drawer?.querySelector('[data-lager-drawer-warning-value]'); if (warningValue) { warningValue.textContent = getLagerForecastWarningText(null, trigger, trigger.dataset.lagerDrawerForecast || 'Keine Prognose'); } });";
+    echo "  const syncLagerForecast = (forecast, productId) => { const drawer = getDrawer(); const trigger = contentRoot.querySelector('[data-lager-drawer-open][aria-expanded=\"true\"]') || contentRoot.querySelector('[data-lager-row][data-lager-id=\"' + (productId || '') + '\"] [data-lager-drawer-open]'); if (!forecast || !drawer) { return; } const forecastDate = forecast.date ? new Date(forecast.date + 'T00:00:00') : null; const expiryDate = forecast.expiryDate ? new Date(forecast.expiryDate + 'T00:00:00') : null; const mhdWarning = Boolean(forecastDate && expiryDate && forecastDate > expiryDate); const nearExpiryWarning = Boolean(forecastDate && expiryDate && forecastDate >= new Date(new Date(expiryDate).setMonth(expiryDate.getMonth() - 3)) && forecastDate <= expiryDate); const depleted = forecast.status === 'depleted'; const forecastWarning = depleted || nearExpiryWarning; const date = forecastDate ? forecastDate.toLocaleDateString('de-CH') : 'Keine Prognose'; const text = depleted ? date + ' (CHARGE ENDE)' : (nearExpiryWarning || mhdWarning ? date + ' (MHD: ' + expiryDate.toLocaleDateString('de-CH') + ')' : date); const value = drawer.querySelector('[data-lager-drawer-forecast-value]'); if (value) { value.textContent = text; } const header = drawer.querySelector('[data-lager-drawer-warning-header]'); const title = drawer.querySelector('[data-lager-drawer-warning-title]'); const warningValue = drawer.querySelector('[data-lager-drawer-warning-value]'); if (trigger) { trigger.dataset.lagerDrawerForecast = text; trigger.dataset.lagerDrawerForecastStatus = forecast.status || 'no_demand'; trigger.dataset.lagerDrawerForecastWarning = forecastWarning ? 'true' : 'false'; trigger.dataset.lagerDrawerForecastMhdWarning = mhdWarning ? 'true' : 'false'; if (header) { header.classList.toggle('sg-card-segment--darkgreen', !forecastWarning && !mhdWarning); header.classList.toggle('sg-card-segment--signal-red', forecastWarning); header.classList.toggle('sg-card-segment--signal-yellow', mhdWarning); } if (title) { title.textContent = getLagerWarningTitle(trigger); } if (warningValue) { warningValue.textContent = forecastWarning || mhdWarning ? text : 'Keine akute Warnung.'; warningValue.classList.toggle('sg-strong', forecastWarning || mhdWarning); warningValue.classList.toggle('lager-forecast-warning', forecastWarning); warningValue.classList.toggle('lager-forecast-mhd-warning', mhdWarning); } const row = trigger.closest('[data-lager-row]'); const cells = row?.querySelectorAll('[role=\"cell\"]'); const forecastCell = cells?.[cells.length - 1]; if (forecastCell && cells.length === 3) { forecastCell.textContent = text; } } };";
+    echo "  document.addEventListener('lager-save-complete', (event) => { const forecast = event.detail?.forecast; const productId = event.detail?.productId || ''; const trigger = contentRoot.querySelector('[data-lager-drawer-open][aria-expanded=\"true\"]') || contentRoot.querySelector('[data-lager-row][data-lager-id=\"' + productId + '\"] [data-lager-drawer-open]'); const drawer = getDrawer(); if (!forecast || !drawer) { return; } const date = forecast.date ? new Date(forecast.date + 'T00:00:00').toLocaleDateString('de-CH') : 'Keine Prognose'; const text = forecast.status === 'depleted' ? date + ' (CHARGE ENDE)' : date; const value = drawer.querySelector('[data-lager-drawer-forecast-value]'); if (value) { value.textContent = text; } if (trigger) { trigger.dataset.lagerDrawerForecast = text; const row = trigger.closest('[data-lager-row]'); const cells = row?.querySelectorAll('[role=\"cell\"]'); const forecastCell = cells?.[cells.length - 1]; if (forecastCell && cells.length === 3) { forecastCell.textContent = text; } } });";
+    echo "  document.addEventListener('click', (event) => {";
     echo "    const trigger = event.target.closest('[data-lager-drawer-open]');";
-    echo "    if (trigger) { event.preventDefault(); if (window.matchMedia('(max-width: 767px)').matches) { openLagerMobileDetail(trigger); return; } const drawer = getDrawer(); if (!drawer) { return; } const type = trigger.dataset.lagerDrawerType || 'Lager'; const name = trigger.dataset.lagerDrawerName || ''; const value = trigger.dataset.lagerDrawerValue || ''; drawer.querySelector('[data-lager-drawer-title]').textContent = type + ': ' + name; drawer.querySelector('[data-lager-drawer-name-value]').textContent = name; const valueRow = drawer.querySelector('[data-lager-drawer-value-row]'); if (valueRow) { valueRow.hidden = false; } drawer.querySelector('[data-lager-drawer-value-label]').textContent = type === 'Produkt' ? 'Anzahl im Lager:' : 'Artikelnummer:'; drawer.querySelector('[data-lager-drawer-value-value]').textContent = value; drawer.querySelectorAll('[data-lager-drawer-topic]').forEach((card) => { card.hidden = type !== 'Produkt'; }); if (type === 'Produkt') { const forecast = trigger.dataset.lagerDrawerForecast || 'Keine Prognose'; const warning = trigger.dataset.lagerDrawerForecastWarning === 'true' || trigger.dataset.lagerDrawerForecastMhdWarning === 'true'; const warningValue = drawer.querySelector('[data-lager-drawer-warning-value]'); if (warningValue) { warningValue.textContent = warning ? forecast : 'Keine akute Warnung.'; warningValue.classList.toggle('sg-strong', warning); warningValue.classList.toggle('lager-forecast-warning', trigger.dataset.lagerDrawerForecastWarning === 'true'); warningValue.classList.toggle('lager-forecast-mhd-warning', trigger.dataset.lagerDrawerForecastMhdWarning === 'true'); } drawer.querySelector('[data-lager-drawer-lot-number]').textContent = trigger.dataset.lagerDrawerLotNumber || 'Nicht hinterlegt'; drawer.querySelector('[data-lager-drawer-supplier-lot-number]').textContent = trigger.dataset.lagerDrawerSupplierLotNumber || 'Nicht hinterlegt'; drawer.querySelector('[data-lager-drawer-expiry-date]').textContent = trigger.dataset.lagerDrawerExpiryDate || 'Nicht hinterlegt'; const virtualLot = trigger.dataset.lagerDrawerVirtualLotNumber || ''; drawer.querySelector('[data-lager-drawer-virtual-lot-value]').textContent = virtualLot ? 'Virtuelle Charge: ' + virtualLot : 'Keine virtuelle Fehlbestandscharge vorhanden.'; } setDrawerState(true); contentRoot.querySelectorAll('[data-lager-drawer-open]').forEach((button) => button.setAttribute('aria-expanded', String(button === trigger))); return; }";
+    echo "    if (trigger) { event.preventDefault(); if (window.matchMedia('(max-width: 767px)').matches) { openLagerMobileDetail(trigger); return; } const drawer = getDrawer(); if (!drawer) { return; } const type = trigger.dataset.lagerDrawerType || 'Lager'; const name = trigger.dataset.lagerDrawerName || ''; const value = trigger.dataset.lagerDrawerValue || ''; drawer.querySelector('[data-lager-drawer-title]').textContent = type + ': ' + name; drawer.querySelector('[data-lager-drawer-name-value]').textContent = name; const valueRow = drawer.querySelector('[data-lager-drawer-value-row]'); if (valueRow) { valueRow.hidden = false; } drawer.querySelector('[data-lager-drawer-value-label]').textContent = type === 'Produkt' ? 'Anzahl im Lager:' : 'Artikelnummer:'; drawer.querySelector('[data-lager-drawer-value-value]').textContent = value; drawer.querySelectorAll('[data-lager-drawer-topic]').forEach((card) => { card.hidden = type !== 'Produkt'; }); if (type === 'Produkt') { const forecast = trigger.dataset.lagerDrawerForecast || 'Keine Prognose'; const warning = trigger.dataset.lagerDrawerForecastWarning === 'true' || trigger.dataset.lagerDrawerForecastMhdWarning === 'true'; const warningValue = drawer.querySelector('[data-lager-drawer-warning-value]'); if (warningValue) { warningValue.textContent = warning ? forecast : 'Keine akute Warnung.'; warningValue.classList.toggle('sg-strong', warning); warningValue.classList.toggle('lager-forecast-warning', trigger.dataset.lagerDrawerForecastWarning === 'true'); warningValue.classList.toggle('lager-forecast-mhd-warning', trigger.dataset.lagerDrawerForecastMhdWarning === 'true'); } drawer.querySelector('[data-lager-drawer-lot-number]').textContent = trigger.dataset.lagerDrawerLotNumber || 'Nicht hinterlegt'; drawer.querySelector('[data-lager-drawer-manufacturer-name]').textContent = trigger.dataset.lagerDrawerManufacturerName || 'Nicht hinterlegt'; drawer.querySelector('[data-lager-drawer-manufacturer-lot-number]').textContent = trigger.dataset.lagerDrawerManufacturerLotNumber || 'Nicht hinterlegt'; drawer.querySelector('[data-lager-drawer-mfg-date]').textContent = trigger.dataset.lagerDrawerMfgDate || 'Nicht hinterlegt'; drawer.querySelector('[data-lager-drawer-expiry-date]').textContent = trigger.dataset.lagerDrawerExpiryDate || 'Nicht hinterlegt'; drawer.querySelector('[data-lager-drawer-purchase-date]').textContent = trigger.dataset.lagerDrawerPurchaseDate || 'Nicht hinterlegt'; const virtualLot = trigger.dataset.lagerDrawerVirtualLotNumber || ''; drawer.querySelector('[data-lager-drawer-virtual-lot-value]').textContent = virtualLot ? 'Virtuelle Charge: ' + virtualLot : 'Keine virtuelle Fehlbestandscharge vorhanden.'; const manufacturer = drawer.querySelector('[data-lager-manufacturer]'); if (manufacturer) { manufacturer.value = trigger.dataset.lagerDrawerManufacturerPartyId || ''; } const manufacturerLot = drawer.querySelector('[data-lager-manufacturer-lot]'); if (manufacturerLot) { manufacturerLot.value = trigger.dataset.lagerDrawerManufacturerLotNumber || ''; } const mfgDate = drawer.querySelector('[data-lager-mfg-date]'); if (mfgDate) { mfgDate.value = trigger.dataset.lagerDrawerMfgDate || ''; } const expiryDate = drawer.querySelector('[data-lager-expiry-date]'); if (expiryDate) { expiryDate.value = trigger.dataset.lagerDrawerExpiryDate || ''; } const purchaseDate = drawer.querySelector('[data-lager-purchase-date]'); if (purchaseDate) { purchaseDate.value = trigger.dataset.lagerDrawerPurchaseDate || ''; } const editForm = drawer.querySelector('[data-lager-edit-form]'); if (editForm) { editForm.hidden = true; } drawer.dataset.lagerActiveLotId = trigger.dataset.lagerDrawerLotId || ''; } setDrawerState(true); contentRoot.querySelectorAll('[data-lager-drawer-open]').forEach((button) => button.setAttribute('aria-expanded', String(button === trigger))); return; }";
+    echo "  document.addEventListener('click', (event) => { const trigger = event.target.closest('[data-lager-drawer-open]'); if (trigger?.dataset.lagerDrawerType === 'Produkt') { syncLagerCurrentDocuments(trigger); } });";
     echo "    if (event.target.closest('[data-lager-drawer-close]') || event.target.closest('[data-lager-drawer-backdrop]')) { closeDrawer(); }";
     echo "  });";
+    echo "  document.addEventListener('click', (event) => { const trigger = event.target.closest('[data-lager-drawer-open]'); if (!trigger || trigger.dataset.lagerDrawerType !== 'Produkt' || window.matchMedia('(max-width: 767px)').matches) { return; } const header = contentRoot.querySelector('[data-lager-drawer-warning-header]'); const title = contentRoot.querySelector('[data-lager-drawer-warning-title]'); if (!header || !title) { return; } const forecastWarning = trigger.dataset.lagerDrawerForecastWarning === 'true'; const mhdWarning = trigger.dataset.lagerDrawerForecastMhdWarning === 'true'; title.textContent = getLagerWarningTitle(trigger); header.classList.toggle('sg-card-segment--darkgreen', !forecastWarning && !mhdWarning); header.classList.toggle('sg-card-segment--signal-red', forecastWarning); header.classList.toggle('sg-card-segment--signal-yellow', mhdWarning); });";
+    echo "  document.addEventListener('click', (event) => { const trigger = event.target.closest('[data-lager-drawer-open]'); if (!trigger || trigger.dataset.lagerDrawerType !== 'Produkt' || window.matchMedia('(max-width: 767px)').matches) { return; } setLagerEditMode(false); const drawer = getDrawer(); const currentQty = drawer?.querySelector('[data-lager-drawer-current-qty]'); const qtyIn = drawer?.querySelector('[data-lager-drawer-qty-in]'); const lotNumber = drawer?.querySelector('[data-lager-lot-number]'); if (currentQty) { currentQty.textContent = trigger.dataset.lagerDrawerCurrentQty || '0'; } if (qtyIn) { qtyIn.textContent = trigger.dataset.lagerDrawerQtyIn || '0'; } if (lotNumber) { lotNumber.value = trigger.dataset.lagerDrawerLotNumber || ''; } const productId = trigger.closest('[data-lager-row]')?.dataset.lagerId || ''; contentRoot.querySelectorAll('[data-lager-historical-product]').forEach((product) => { product.hidden = product.dataset.lagerHistoricalProduct !== productId; }); });";
+    echo "  const postLagerChange = async (payload) => { const response = await fetch('/api/lager-charge.php', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ ...payload, csrfToken: contentRoot.querySelector('[data-lager-csrf-token]')?.dataset.lagerCsrfToken || '' }) }); const result = await response.json(); if (!response.ok || result.ok !== true) { throw new Error(result.error || 'Speichern fehlgeschlagen'); } syncLagerForecast(result.forecast, result.productId); const trigger = contentRoot.querySelector('[data-lager-drawer-open][aria-expanded=\"true\"]') || contentRoot.querySelector('[data-lager-row][data-lager-id=\"' + (result.productId || '') + '\"] [data-lager-drawer-open]'); const drawer = getDrawer(); const warningValue = drawer?.querySelector('[data-lager-drawer-warning-value]'); if (warningValue) { warningValue.textContent = getLagerForecastWarningText(result.forecast, trigger, trigger?.dataset.lagerDrawerForecast || 'Keine Prognose'); } return result; };";
+    echo "  document.addEventListener('click', (event) => { const remove = event.target.closest('[data-lager-document-remove-index]'); if (remove) { const scope = remove.closest('[data-lager-document-upload-form]'); const input = scope?.querySelector('[data-lager-document-file]'); const index = Number(remove.dataset.lagerDocumentRemoveIndex); if (input && Number.isInteger(index)) { const data = new DataTransfer(); Array.from(input.files || []).forEach((file, fileIndex) => { if (fileIndex !== index) { data.items.add(file); } }); input.files = data.files; input.dispatchEvent(new Event('change', { bubbles: true })); } return; } const trigger = event.target.closest('[data-lager-document-file-trigger]'); const input = trigger?.closest('[data-lager-document-upload-form]')?.querySelector('[data-lager-document-file]'); if (!input) { return; } event.preventDefault(); input.click(); });";
+    echo "  document.addEventListener('dragover', (event) => { const dropzone = event.target.closest('[data-lager-document-upload-form] .sg-file-upload__dropzone'); if (!dropzone) { return; } event.preventDefault(); dropzone.dataset.dragOver = 'true'; });";
+    echo "  document.addEventListener('dragleave', (event) => { const dropzone = event.target.closest('[data-lager-document-upload-form] .sg-file-upload__dropzone'); if (dropzone && !dropzone.contains(event.relatedTarget)) { delete dropzone.dataset.dragOver; } });";
+    echo "  document.addEventListener('drop', (event) => { const dropzone = event.target.closest('[data-lager-document-upload-form] .sg-file-upload__dropzone'); if (!dropzone) { return; } event.preventDefault(); delete dropzone.dataset.dragOver; const input = dropzone.closest('[data-lager-document-upload-form]')?.querySelector('[data-lager-document-file]'); if (input && event.dataTransfer?.files) { input.files = event.dataTransfer.files; input.dispatchEvent(new Event('change', { bubbles: true })); } });";
+    echo "  document.addEventListener('change', (event) => { const input = event.target.closest('[data-lager-document-file]'); if (!input) { return; } const form = input.closest('[data-lager-document-upload-form]'); renderLagerSelectedFiles(form); });";
+    echo "  const uploadLagerDocuments = async (scope, lotId) => { const files = Array.from(scope?.querySelectorAll('[data-lager-document-file]') || []).flatMap((input) => Array.from(input.files || [])); if (!files.length) { return []; } const status = scope.querySelector('[data-lager-document-status]'); const uploaded = []; const errorMessage = (error) => error instanceof Error ? error.message : 'Upload fehlgeschlagen'; if (files.some((file) => file.size > 52428800)) { const error = new Error('Dokument darf maximal 50 MB groß sein.'); if (status) { status.textContent = error.message; } throw error; } if (status) { status.textContent = 'Upload läuft …'; } try { for (const file of files) { const data = new FormData(); data.append('action', 'upload_document'); data.append('csrfToken', contentRoot.querySelector('[data-lager-csrf-token]')?.dataset.lagerCsrfToken || ''); data.append('lotId', lotId || ''); data.append('document', file); const response = await fetch('/api/lager-charge.php', { method: 'POST', body: data }); const result = await response.json(); if (!response.ok || result.ok !== true) { throw new Error(result.error || 'Upload fehlgeschlagen'); } uploaded.push(result.document); } } catch (error) { if (status) { status.textContent = errorMessage(error); } throw error; } if (status) { status.textContent = files.length + ' Datei(en) hochgeladen.'; } return uploaded; };";
+    echo "  document.addEventListener('click', async (event) => { const remove = event.target.closest('[data-lager-document-delete]'); if (!remove) { return; } remove.disabled = true; try { await postLagerChange({ action: 'delete_document', documentId: remove.dataset.lagerDocumentDelete }); window.location.reload(); } catch (error) { remove.disabled = false; remove.setCustomValidity(error instanceof Error ? error.message : 'Dokument konnte nicht entfernt werden'); remove.reportValidity(); } });";
+    echo "  document.addEventListener('click', (event) => { const editButton = event.target.closest('[data-lager-edit-open]'); if (editButton) { const drawer = getDrawer(); const editForm = drawer?.querySelector('[data-lager-edit-form]'); if (editForm) { editForm.hidden = false; } return; } const closeButton = event.target.closest('[data-lager-edit-close]'); if (closeButton) { const drawer = getDrawer(); const editForm = drawer?.querySelector('[data-lager-edit-form]'); if (editForm) { editForm.hidden = true; } } });";
+    echo "  const setLagerEditMode = (editing) => { const drawer = getDrawer(); const readView = drawer?.querySelector('[data-lager-read-view]'); const readDocuments = drawer?.querySelector('[data-lager-documents=\"current-read\"]'); const editForm = drawer?.querySelector('[data-lager-edit-form]'); const documents = drawer?.querySelector('[data-lager-edit-documents=\"current-edit\"]'); const actions = drawer?.querySelector('[data-lager-edit-actions]'); if (readView) { readView.hidden = editing; } if (readDocuments) { readDocuments.hidden = editing; } if (editForm) { editForm.hidden = !editing; } if (documents) { documents.hidden = !editing; } if (actions) { actions.hidden = !editing; } };";
+    echo "  document.addEventListener('click', (event) => { if (event.target.closest('[data-lager-edit-open]')) { setLagerEditMode(true); } if (event.target.closest('[data-lager-edit-close]')) { clearLagerMovementInputs(); setLagerEditMode(false); } });";
+    echo "  const syncLagerReadView = () => { const drawer = getDrawer(); if (!drawer) { return; } const manufacturer = drawer.querySelector('[data-lager-manufacturer]'); const values = { '[data-lager-drawer-manufacturer-name]': manufacturer?.selectedOptions?.[0]?.textContent || 'Nicht hinterlegt', '[data-lager-drawer-manufacturer-lot-number]': drawer.querySelector('[data-lager-manufacturer-lot]')?.value || 'Nicht hinterlegt', '[data-lager-drawer-mfg-date]': drawer.querySelector('[data-lager-mfg-date]')?.value || 'Nicht hinterlegt', '[data-lager-drawer-expiry-date]': drawer.querySelector('[data-lager-expiry-date]')?.value || 'Nicht hinterlegt', '[data-lager-drawer-purchase-date]': drawer.querySelector('[data-lager-purchase-date]')?.value || 'Nicht hinterlegt' }; Object.entries(values).forEach(([selector, value]) => { const target = drawer.querySelector(selector); if (target) { target.textContent = value; } }); const trigger = contentRoot.querySelector('[data-lager-drawer-open][aria-expanded=\"true\"]'); if (trigger) { trigger.dataset.lagerDrawerManufacturerName = values['[data-lager-drawer-manufacturer-name]']; trigger.dataset.lagerDrawerManufacturerLotNumber = values['[data-lager-drawer-manufacturer-lot-number]']; trigger.dataset.lagerDrawerMfgDate = values['[data-lager-drawer-mfg-date]']; trigger.dataset.lagerDrawerExpiryDate = values['[data-lager-drawer-expiry-date]']; trigger.dataset.lagerDrawerPurchaseDate = values['[data-lager-drawer-purchase-date]']; } };";
+    echo "  const syncLagerBalanceView = (balance) => { const drawer = getDrawer(); if (!drawer || !balance) { return; } const currentQty = drawer.querySelector('[data-lager-drawer-current-qty]'); const qtyIn = drawer.querySelector('[data-lager-drawer-qty-in]'); if (currentQty) { currentQty.textContent = String(balance.qty_net ?? 0); } if (qtyIn) { qtyIn.textContent = String(balance.qty_in ?? 0); } const trigger = contentRoot.querySelector('[data-lager-drawer-open][aria-expanded=\"true\"]'); if (trigger) { trigger.dataset.lagerDrawerCurrentQty = String(balance.qty_net ?? 0); trigger.dataset.lagerDrawerQtyIn = String(balance.qty_in ?? 0); } };";
+    echo "  const clearLagerMovementInputs = () => { const drawer = getDrawer(); if (!drawer) { return; } drawer.querySelectorAll('[data-lager-receipt-qty], [data-lager-adjustment-qty], [data-lager-out-qty]').forEach((input) => { input.value = ''; }); };";
+    echo "  const syncLagerOpenLotCard = (lot, balance) => { const drawer = getDrawer(); const card = drawer?.querySelector('[data-lager-open-card=\"' + (lot?.id || '') + '\"]'); if (!card) { return; } const values = { '[data-lager-open-card-lot-number]': lot?.lot_number || 'Nicht hinterlegt', '[data-lager-open-card-qty-net]': String(balance?.qty_net ?? 0), '[data-lager-open-card-qty-in]': String(balance?.qty_net ?? 0), '[data-lager-open-card-manufacturer]': drawer.querySelector('[data-lager-new-manufacturer]')?.selectedOptions?.[0]?.textContent || 'Nicht hinterlegt', '[data-lager-open-card-manufacturer-lot]': lot?.manufacturer_lot_number || 'Nicht hinterlegt', '[data-lager-open-card-mfg-date]': lot?.mfg_date || 'Nicht hinterlegt', '[data-lager-open-card-expiry-date]': lot?.expiry_date || 'Nicht hinterlegt', '[data-lager-open-card-purchase-date]': lot?.purchase_date || 'Nicht hinterlegt' }; Object.entries(values).forEach(([selector, value]) => { const target = card.querySelector(selector); if (target) { target.textContent = value; } }); const wrapper = card.closest('[data-lager-open-card-wrapper]'); wrapper?.querySelector('[data-lager-edit-documents]')?.setAttribute('hidden', ''); wrapper?.querySelector('[data-lager-open-edit-actions]')?.setAttribute('hidden', ''); wrapper?.querySelector('[data-lager-documents^=\"open-read-\"]')?.removeAttribute('hidden'); };";
+    echo "  document.addEventListener('click', (event) => { const trigger = event.target.closest('[data-lager-drawer-open]'); if (!trigger || trigger.dataset.lagerDrawerType !== 'Produkt' || window.matchMedia('(max-width: 767px)').matches) { return; } const drawer = getDrawer(); const productId = trigger.closest('[data-lager-row]')?.dataset.lagerId || ''; const openProduct = drawer?.querySelector('[data-lager-open-product=\"' + productId + '\"]'); drawer?.querySelectorAll('[data-lager-open-product]').forEach((product) => { product.hidden = product !== openProduct; product.querySelectorAll('[data-lager-open-edit-form]').forEach((form) => { form.hidden = true; }); product.querySelectorAll('[data-lager-open-edit-actions]').forEach((actions) => { actions.hidden = true; }); product.querySelectorAll('[data-lager-open-card]').forEach((readView) => { readView.hidden = false; }); product.querySelectorAll('[data-lager-documents^=\"open-read-\"]').forEach((readDocuments) => { readDocuments.hidden = false; }); product.querySelectorAll('[data-lager-edit-documents]').forEach((documents) => { documents.hidden = true; }); }); const newForm = drawer?.querySelector('[data-lager-drawer-topic=\"new-lot-form\"]'); const newAction = drawer?.querySelector('[data-lager-drawer-topic=\"new-lot-action\"]'); if (newForm) { newForm.hidden = true; } if (newAction) { newAction.hidden = false; } const notificationWrapper = drawer?.querySelector('[data-lager-new-lot-notification-wrapper]'); const notification = drawer?.querySelector('[data-lager-new-lot-notification]'); const shortageQty = trigger.dataset.lagerDrawerVirtualShortageQty || '0'; const hasShortage = shortageQty !== '0' && shortageQty !== '0,00'; if (notificationWrapper) { notificationWrapper.hidden = !hasShortage; } if (notification && hasShortage) { notification.textContent = 'Für dieses Produkt bestehen virtuelle Fehlbestände in Höhe von ' + shortageQty + '. Die Eingangsmenge wird nach Aktivierung der Charge zur Nachallokation verwendet.'; } const setValue = (selector, value) => { const field = drawer?.querySelector(selector); if (field) { field.value = value || ''; } }; setValue('[data-lager-new-lot-number]', trigger.dataset.lagerOpenLotNumber); setValue('[data-lager-new-manufacturer]', trigger.dataset.lagerOpenManufacturerPartyId); setValue('[data-lager-new-manufacturer-lot]', trigger.dataset.lagerOpenManufacturerLotNumber); setValue('[data-lager-new-mfg-date]', trigger.dataset.lagerOpenMfgDate); setValue('[data-lager-new-expiry-date]', trigger.dataset.lagerOpenExpiryDate); setValue('[data-lager-new-purchase-date]', trigger.dataset.lagerOpenPurchaseDate); if (drawer) { drawer.dataset.lagerOpenLotId = trigger.dataset.lagerOpenLotId || ''; drawer.dataset.lagerProductId = productId; } });";
+    echo "  document.addEventListener('click', (event) => { const openButton = event.target.closest('[data-lager-new-lot-open]'); if (openButton) { const drawer = getDrawer(); const form = drawer?.querySelector('[data-lager-drawer-topic=\"new-lot-form\"]'); const action = drawer?.querySelector('[data-lager-drawer-topic=\"new-lot-action\"]'); if (form) { form.hidden = false; } if (action) { action.hidden = true; } return; } if (event.target.closest('[data-lager-new-lot-close]')) { const drawer = getDrawer(); const form = drawer?.querySelector('[data-lager-drawer-topic=\"new-lot-form\"]'); const action = drawer?.querySelector('[data-lager-drawer-topic=\"new-lot-action\"]'); if (form) { form.hidden = true; } if (action) { action.hidden = false; } } });";
+    echo "  document.addEventListener('click', (event) => { const editButton = event.target.closest('[data-lager-open-edit-open]'); if (editButton) { const card = editButton.closest('[data-lager-open-card-wrapper]'); const form = card?.querySelector('[data-lager-open-edit-form]'); const readView = card?.querySelector('[data-lager-open-card]'); const readDocuments = card?.querySelector('[data-lager-documents^=\"open-read-\"]'); const documents = card?.querySelector('[data-lager-edit-documents]'); const actions = card?.querySelector('[data-lager-open-edit-actions]'); if (form) { form.hidden = false; } if (readView) { readView.hidden = true; } if (readDocuments) { readDocuments.hidden = true; } if (documents) { documents.hidden = false; } if (actions) { actions.hidden = false; } return; } const closeButton = event.target.closest('[data-lager-open-edit-close]'); if (closeButton) { const card = closeButton.closest('[data-lager-open-card-wrapper]'); const form = card?.querySelector('[data-lager-open-edit-form]'); const readView = card?.querySelector('[data-lager-open-card]'); const readDocuments = card?.querySelector('[data-lager-documents^=\"open-read-\"]'); const documents = card?.querySelector('[data-lager-edit-documents]'); const actions = card?.querySelector('[data-lager-open-edit-actions]'); if (form) { form.hidden = true; } if (readView) { readView.hidden = false; } if (readDocuments) { readDocuments.hidden = false; } if (documents) { documents.hidden = true; } if (actions) { actions.hidden = true; } } });";
+    echo "  document.addEventListener('input', (event) => { const input = event.target.closest('[data-lager-open-delete-confirmation-input]'); if (!input) { return; } const card = input.closest('[data-lager-open-card-wrapper]'); const submit = card?.querySelector('[data-lager-open-delete-confirmation-submit]'); const valid = input.value === 'DELETE'; if (submit) { submit.disabled = !valid; submit.setAttribute('aria-disabled', String(!valid)); submit.classList.toggle('sg-button--process-inactive', !valid); } });";
+    echo "  document.addEventListener('click', async (event) => { const deleteButton = event.target.closest('[data-lager-open-delete]'); if (deleteButton) { const card = deleteButton.closest('[data-lager-open-card-wrapper]'); const confirmation = card?.querySelector('[data-lager-open-delete-confirmation]'); const input = card?.querySelector('[data-lager-open-delete-confirmation-input]'); const submit = card?.querySelector('[data-lager-open-delete-confirmation-submit]'); if (input) { input.value = ''; } if (submit) { submit.disabled = true; submit.setAttribute('aria-disabled', 'true'); submit.classList.add('sg-button--process-inactive'); } if (confirmation) { confirmation.hidden = false; } if (card) { card.dataset.dialogOpen = 'true'; } return; } const cancel = event.target.closest('[data-lager-open-delete-confirmation-cancel]'); if (cancel) { const card = cancel.closest('[data-lager-open-card-wrapper]'); const confirmation = card?.querySelector('[data-lager-open-delete-confirmation]'); if (confirmation) { confirmation.hidden = true; } if (card) { card.dataset.dialogOpen = 'false'; } return; } const submit = event.target.closest('[data-lager-open-delete-confirmation-submit]'); if (!submit || submit.disabled) { return; } const card = submit.closest('[data-lager-open-card-wrapper]'); const confirmation = card?.querySelector('[data-lager-open-delete-confirmation]'); const status = card?.querySelector('[data-lager-open-delete-status]'); if (status) { status.textContent = 'Löschen läuft …'; } submit.disabled = true; try { await postLagerChange({ action: 'delete_open_lot', lotId: card?.dataset.lagerOpenCardWrapper || '' }); card?.remove(); } catch (error) { if (status) { status.textContent = error instanceof Error ? error.message : 'Löschen fehlgeschlagen'; } submit.disabled = false; } });";
+    echo "  document.addEventListener('click', (event) => { const cancel = event.target.closest('[data-lager-open-confirmation-cancel]'); if (cancel) { const card = cancel.closest('[data-lager-open-card-wrapper]'); const confirmation = card?.querySelector('[data-lager-open-confirmation-card]'); if (confirmation) { confirmation.hidden = true; } if (card) { card.dataset.dialogOpen = 'false'; } const form = card?.querySelector('[data-lager-open-edit-form-element]'); if (form) { form.dataset.confirmationAccepted = 'false'; } return; } const confirm = event.target.closest('[data-lager-open-confirmation-submit]'); if (confirm) { const card = confirm.closest('[data-lager-open-card-wrapper]'); const confirmation = card?.querySelector('[data-lager-open-confirmation-card]'); const form = card?.querySelector('[data-lager-open-edit-form-element]'); if (confirmation) { confirmation.hidden = true; } if (card) { card.dataset.dialogOpen = 'false'; } if (form) { form.dataset.confirmationAccepted = 'true'; form.requestSubmit(); } } });";
+    echo "  document.addEventListener('submit', async (event) => { const openLotForm = event.target.closest('[data-lager-open-edit-form-element]'); if (!openLotForm) { return; } event.preventDefault(); const drawer = getDrawer(); const card = openLotForm.closest('[data-lager-open-card-wrapper]'); const editSection = card?.querySelector('[data-lager-open-edit-form]'); const fields = [{ label: 'Naurua-Chargennummer', input: openLotForm.querySelector('[data-lager-open-lot-number]') }, { label: 'Hersteller', input: openLotForm.querySelector('[data-lager-open-manufacturer]') }, { label: 'Hersteller-Chargennummer', input: openLotForm.querySelector('[data-lager-open-manufacturer-lot]') }, { label: 'Herstellungsdatum', input: openLotForm.querySelector('[data-lager-open-mfg-date]') }, { label: 'MHD', input: openLotForm.querySelector('[data-lager-open-expiry-date]') }, { label: 'Einkaufsdatum', input: openLotForm.querySelector('[data-lager-open-purchase-date]') }, { label: 'Menge', input: openLotForm.querySelector('[data-lager-open-target-qty]') }]; const emptyFields = fields.filter((field) => (field.input?.value || '').trim() === ''); if (emptyFields.length > 0 && openLotForm.dataset.confirmationAccepted !== 'true') { const confirmation = card?.querySelector('[data-lager-open-confirmation-card]'); const emptyFieldsList = card?.querySelector('[data-lager-open-confirmation-empty-fields]'); if (emptyFieldsList) { emptyFieldsList.replaceChildren(...emptyFields.map((field) => { const item = document.createElement('div'); item.className = 'sg-body'; item.textContent = field.label; return item; })); } if (confirmation) { confirmation.hidden = false; } if (card) { card.dataset.dialogOpen = 'true'; } return; } openLotForm.dataset.confirmationAccepted = 'false'; const status = openLotForm.closest('[data-lager-open-edit-form]')?.querySelector('[data-lager-open-edit-status]'); if (status) { status.textContent = 'Speichern läuft …'; } try { const lotId = card?.dataset.lagerOpenCardWrapper || ''; const uploadedDocuments = await uploadLagerDocuments(card?.querySelector('[data-lager-documents=open-edit-' + lotId + ']'), lotId); const existingDocuments = Array.from(card?.querySelectorAll('[data-lager-documents^=\"open-read-\"] [data-lager-document-row]') || []).map((row) => ({ id: Number(row.dataset.lagerDocumentRow || 0), original_filename: row.querySelector('a')?.textContent || 'Dokument' })); const targetQtyInput = openLotForm.querySelector('[data-lager-open-target-qty]'); const result = await postLagerChange({ action: 'prepare_lot', productId: drawer?.dataset.lagerProductId || '', lotId, lotNumber: openLotForm.querySelector('[data-lager-open-lot-number]')?.value || '', manufacturerPartyId: openLotForm.querySelector('[data-lager-open-manufacturer]')?.value || null, manufacturerLotNumber: openLotForm.querySelector('[data-lager-open-manufacturer-lot]')?.value || '', mfgDate: openLotForm.querySelector('[data-lager-open-mfg-date]')?.value || '', expiryDate: openLotForm.querySelector('[data-lager-open-expiry-date]')?.value || '', purchaseDate: openLotForm.querySelector('[data-lager-open-purchase-date]')?.value || '', targetQty: targetQtyInput?.value.trim() === '' ? '0' : targetQtyInput?.value || '' }); syncLagerDocumentViews(card, [...existingDocuments, ...uploadedDocuments]); syncLagerOpenLotCard(result.lot, result.balance); if (editSection) { editSection.hidden = true; } card?.querySelector('[data-lager-open-card]')?.removeAttribute('hidden'); if (status) { status.textContent = ''; } } catch (error) { if (status) { status.textContent = error instanceof Error ? error.message : 'Speichern fehlgeschlagen'; } } });";
+    echo "  document.addEventListener('submit', async (event) => { const newLotForm = event.target.closest('[data-lager-new-lot-form-element]'); if (!newLotForm) { return; } event.preventDefault(); const drawer = getDrawer(); const status = drawer?.querySelector('[data-lager-new-lot-status]'); if (status) { status.textContent = 'Speichern läuft …'; } try { const result = await postLagerChange({ action: 'prepare_lot', productId: drawer?.dataset.lagerProductId || '', lotId: drawer?.dataset.lagerOpenLotId || '', lotNumber: drawer?.querySelector('[data-lager-new-lot-number]')?.value || '', manufacturerPartyId: drawer?.querySelector('[data-lager-new-manufacturer]')?.value || null, manufacturerLotNumber: drawer?.querySelector('[data-lager-new-manufacturer-lot]')?.value || '', mfgDate: drawer?.querySelector('[data-lager-new-mfg-date]')?.value || '', expiryDate: drawer?.querySelector('[data-lager-new-expiry-date]')?.value || '', purchaseDate: drawer?.querySelector('[data-lager-new-purchase-date]')?.value || '', receiptQty: drawer?.querySelector('[data-lager-new-receipt-qty]')?.value || '' }); syncLagerOpenLotCard(result.lot, result.balance); const form = drawer?.querySelector('[data-lager-drawer-topic=\"new-lot-form\"]'); const action = drawer?.querySelector('[data-lager-drawer-topic=\"new-lot-action\"]'); if (form) { form.hidden = true; } if (action) { action.hidden = false; } if (status) { status.textContent = ''; } } catch (error) { if (status) { status.textContent = error instanceof Error ? error.message : 'Speichern fehlgeschlagen'; } } });";
+    echo "  document.addEventListener('submit', async (event) => { const editForm = event.target.closest('[data-lager-edit-form-element]'); if (!editForm) { return; } event.preventDefault(); const drawer = getDrawer(); const status = drawer?.querySelector('[data-lager-edit-status]'); if (status) { status.textContent = 'Speichern läuft …'; } try { const lotId = drawer?.dataset.lagerActiveLotId || ''; const uploadedDocuments = await uploadLagerDocuments(drawer?.querySelector('[data-lager-documents=\"current-edit\"]'), lotId); const result = await postLagerChange({ action: 'update_lot', lotId, manufacturerPartyId: drawer?.querySelector('[data-lager-manufacturer]')?.value || null, manufacturerLotNumber: drawer?.querySelector('[data-lager-manufacturer-lot]')?.value || '', mfgDate: drawer?.querySelector('[data-lager-mfg-date]')?.value || '', expiryDate: drawer?.querySelector('[data-lager-expiry-date]')?.value || '', purchaseDate: drawer?.querySelector('[data-lager-purchase-date]')?.value || '', receiptQty: drawer?.querySelector('[data-lager-receipt-qty]')?.value || '', adjustmentQty: drawer?.querySelector('[data-lager-adjustment-qty]')?.value || '', outQty: drawer?.querySelector('[data-lager-out-qty]')?.value || '' }); const trigger = contentRoot.querySelector('[data-lager-drawer-open][aria-expanded=\"true\"]'); if (trigger && uploadedDocuments.length) { let existingDocuments = []; try { existingDocuments = JSON.parse(trigger.dataset.lagerDrawerDocuments || '[]'); } catch (error) { existingDocuments = []; } trigger.dataset.lagerDrawerDocuments = JSON.stringify([...existingDocuments, ...uploadedDocuments]); syncLagerCurrentDocuments(trigger); } syncLagerReadView(); syncLagerBalanceView(result.balance); clearLagerMovementInputs(); setLagerEditMode(false); if (status) { status.textContent = ''; } } catch (error) { if (status) { status.textContent = error instanceof Error ? error.message : 'Speichern fehlgeschlagen'; } } });";
     echo "  document.addEventListener('click', (event) => { if (event.target.closest('[data-lager-detail-back]')) { event.preventDefault(); closeLagerMobileDetail(); } });";
     echo "  document.addEventListener('keydown', (event) => { if (event.key === 'Escape') { closeDrawer(); closeLagerMobileDetail(); } });";
     echo "  window.addEventListener('popstate', (event) => { if (lagerMobileDetailOpen && (!event.state || event.state.lagerView !== 'detail')) { restoreLagerMobileDetail(); } });";
+    echo "  const syncLagerDisplayedTotal = () => { const drawer = getDrawer(); const trigger = contentRoot.querySelector('[data-lager-drawer-open][aria-expanded=\"true\"]'); if (!drawer || !trigger || trigger.dataset.lagerDrawerType !== 'Produkt') { return; } const active = Number((drawer.querySelector('[data-lager-drawer-current-qty]')?.textContent || '0').replace(',', '.')) || 0; const productId = trigger.closest('[data-lager-row]')?.dataset.lagerId || ''; const openProduct = drawer.querySelector('[data-lager-open-product=\"' + productId + '\"]'); const open = Array.from(openProduct?.querySelectorAll('[data-lager-open-card-qty-net]') || []).reduce((sum, node) => sum + (Number((node.textContent || '0').replace(',', '.')) || 0), 0); const total = active + open; const formatted = Number.isInteger(total) ? String(total) : total.toFixed(2).replace(/\.?0+$/, ''); const value = drawer.querySelector('[data-lager-drawer-value-value]'); if (value && value.textContent !== formatted) { value.textContent = formatted; } trigger.dataset.lagerDrawerValue = formatted; };";
+    echo "  const lagerTotalObserver = new MutationObserver(syncLagerDisplayedTotal);";
+    echo "  lagerTotalObserver.observe(contentRoot, { childList: true, subtree: true, characterData: true });";
     echo "}";
     echo "function initBestellungenBindings() {";
     echo "  const contentRoot = document.querySelector('[data-left-navigation-content-body]');";
@@ -728,7 +940,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  const isMobileDetailMode = () => window.matchMedia('(max-width: 767px)').matches;";
     echo "  const escapeHtml = (value) => String(value ?? '').replace(/[&<>\"']/g, (character) => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '\"': '&quot;', \"'\": '&#39;' }[character] || character));";
     echo "  let bestellungenMobileDetailHost = null;";
-    echo "  let bestellungenDetailOpen = false;";
+    echo "  let bestellungenDetailOpen = false; let bestellungenOpeningMobileDetail = false;";
     echo "  const syncSearchState = () => {";
     echo "    const input = getSearchInput();";
     echo "    const wrap = getSearchWrap();";
@@ -737,46 +949,10 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "    wrap.setAttribute('data-has-value', String(hasValue));";
     echo "    wrap.dataset.componentState = hasValue ? 'active' : 'inactive-selectable';";
     echo "  };";
-    echo "  const renderMobileDetail = (trigger) => {";
+  echo "  const renderMobileDetail = () => {";
-    echo "    const orderNumber = trigger.dataset.orderNumber || '';";
+  echo "    return '<div class=\"sg-bestellungen-mobile-detail-host\" data-bestellungen-mobile-detail-host=\"true\"><div class=\"sg-navigation-card-layout sg-mobile-detail-back-card\"><div class=\"sg-navigation-card-block\"><article class=\"sg-card\" data-component=\"card\" data-pattern=\"navigation-card\" aria-label=\"Navigation Detailansicht zurück oben\"><div class=\"sg-card-segment sg-card-segment--body\" data-component-part=\"card-body\" data-pattern-part=\"navigation-card-segment\"><div class=\"sg-navigation-card-center\"><button class=\"sg-interaction-element sg-hyperlink\" type=\"button\" data-bestellungen-detail-back>zurück</button></div></div></article></div></div></div>';";
-    echo "    const orderDate = trigger.dataset.orderDate || '';";
-    echo "    const total = trigger.dataset.orderTotal || '';";
-    echo "    const street = trigger.dataset.orderStreet || '';";
-    echo "    const houseNumber = trigger.dataset.orderHouseNumber || '';";
-    echo "    const zip = trigger.dataset.orderZip || '';";
-    echo "    const city = trigger.dataset.orderCity || '';";
-    echo "    const country = trigger.dataset.orderCountry || '';";
-    echo "    const streetLine = [street, houseNumber].filter((part) => part && part.length > 0).join(' ').trim();";
-    echo "    const cityLine = [zip, city].filter((part) => part && part.length > 0).join(' ').trim();";
-    echo "    return [";
-    echo "      '<div class=\"sg-bestellungen-mobile-detail-host\" data-bestellungen-mobile-detail-host=\"true\">',";
-    echo "      '<div class=\"sg-navigation-card-layout\">',";
-    echo "      '<div class=\"sg-navigation-card-block\">',";
-    echo "      '<article class=\"sg-card\" data-component=\"card\" data-pattern=\"navigation-card\" aria-label=\"Navigation Detailansicht zurück oben\">',";
-    echo "      '<div class=\"sg-card-segment sg-card-segment--body\" data-component-part=\"card-body\" data-pattern-part=\"navigation-card-segment\">',";
-    echo "      '<div class=\"sg-navigation-card-center\">',";
-    echo "      '<button class=\"sg-interaction-element sg-hyperlink\" type=\"button\" data-bestellungen-detail-back>zurück</button>',";
-    echo "      '</div>',";
-    echo "      '</div>',";
-    echo "      '</article>',";
-    echo "      '</div>',";
-    echo "      '</div>',";
-    echo "      '<article class=\"sg-card sg-vsf-drawer-card\" data-component=\"card\" data-pattern=\"card\" aria-label=\"Bestell-Details\">',";
-    echo "      '<div class=\"sg-card-segment sg-card-segment--body sg-vsf-drawer-card__content\">',";
-    echo "      '<p class=\"sg-body\"><strong>Bestellnummer:</strong> <span>' + escapeHtml(orderNumber) + '</span></p>',";
-    echo "      '<p class=\"sg-body\"><strong>Bestelldatum:</strong> <span>' + escapeHtml(orderDate) + '</span></p>',";
-    echo "      '<p class=\"sg-body\"><strong>Lieferadresse:</strong></p>',";
-    echo "      '<p class=\"sg-body\">' + escapeHtml(streetLine) + '</p>',";
-    echo "      '<p class=\"sg-body\">' + escapeHtml(cityLine) + '</p>',";
-    echo "      '<p class=\"sg-body\">' + escapeHtml(country) + '</p>',";
-    echo "      '<p class=\"sg-body\"><strong>Gesamtsumme:</strong> <span>' + escapeHtml(total) + '</span></p>',";
-    echo "      '<p class=\"sg-body\">Detailinhalt wird noch definiert.</p>',";
-    echo "      '</div>',";
-    echo "      '</article>',";
-    echo "      '</div>'";
-    echo "    ].join('');";
   echo "  };";
-    echo "  const getDrawer = () => contentRoot.querySelector('[data-bestellungen-drawer]');";
+    echo "  const getDrawer = () => document.querySelector('[data-bestellungen-mobile-drawer]') || contentRoot.querySelector('[data-bestellungen-drawer]');";
     echo "  const getDrawerBackdrop = () => contentRoot.querySelector('[data-bestellungen-drawer-backdrop]');";
     echo "  const setDrawerState = (open) => {";
     echo "    const drawer = getDrawer();";
@@ -797,41 +973,32 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  const openDrawer = (trigger) => {";
     echo "    const drawer = getDrawer();";
     echo "    if (!drawer) { return; }";
-    echo "    if (isMobileDetailMode()) {";
+    echo "    if (isMobileDetailMode() && !bestellungenOpeningMobileDetail) {";
     echo "      openMobileDetail(trigger);";
     echo "      return;";
     echo "    }";
     echo "    const drawerTitle = drawer.querySelector('[data-order-drawer-title]');";
-    echo "    const drawerOrderNumber = drawer.querySelector('[data-order-drawer-order-number]');";
+    echo "    const cards = drawer.querySelector('[data-order-drawer-cards]');";
-    echo "    const drawerOrderDate = drawer.querySelector('[data-order-drawer-order-date]');";
+    echo "    const orderId = trigger.dataset.orderId || '';";
-    echo "    const drawerAddressLine1 = drawer.querySelector('[data-order-drawer-address-line-1]');";
+    echo "    const formatAmount = (value, currency) => value === null || value === undefined ? 'Nicht vorhanden' : currency + ' ' + Number(value).toFixed(2);";
-    echo "    const drawerAddressLine2 = drawer.querySelector('[data-order-drawer-address-line-2]');";
+    echo "    const formatDate = (value) => value ? new Date(value).toLocaleString('de-CH', { dateStyle: 'short', timeStyle: 'short' }) : 'Nicht vorhanden';";
-    echo "    const drawerAddressLine3 = drawer.querySelector('[data-order-drawer-address-line-3]');";
+    echo "    const value = (label, content) => '<p class=\"sg-body\"><strong>' + escapeHtml(label) + ':</strong> ' + escapeHtml(content || 'Nicht vorhanden') + '</p>';";
-    echo "    const drawerTotal = drawer.querySelector('[data-order-drawer-total]');";
+    echo "    const renderCards = (order) => {";
-    echo "    const orderNumber = trigger.dataset.orderNumber || '';";
+    echo "      const c = order.customer || {}; const a = order.amounts || {}; const address = [[c.street, c.house_number].filter(Boolean).join(' '), [c.zip, c.city].filter(Boolean).join(' '), c.country_name].filter(Boolean).join('<br>');";
-    echo "    const orderDate = trigger.dataset.orderDate || '';";
+    echo "      const lines = (order.lines || []).map((line) => '<div class=\"sg-card-segment sg-card-segment--body\"><p class=\"sg-body\"><strong>' + escapeHtml(line.item_name) + '</strong> · ' + escapeHtml(line.item_code) + ' · Menge: ' + escapeHtml(String(line.qty)) + '</p>' + value('Positionsstatus', line.line_status) + value('Einzelpreis', formatAmount(line.unit_price, a.currency || 'CHF')) + value('Positionssumme', formatAmount(line.line_total, a.currency || 'CHF')) + '</div>').join('');";
-    echo "    const total = trigger.dataset.orderTotal || '';";
+    echo "      const allocations = (order.lines || []).flatMap((line) => (line.product_allocations || []).map((item) => '<div class=\"sg-body\"><strong>' + escapeHtml(item.product_name) + ':</strong> ' + escapeHtml(item.lot_number || 'Nicht zugeordnet') + ' · ' + escapeHtml(item.allocated_qty === null ? 'Nicht zugeordnet' : String(item.allocated_qty)) + ' · ' + escapeHtml(item.allocation_status || 'Nicht vorhanden') + (item.lot_status === 'virtual_shortage' ? ' · Virtuelle Fehlbestandscharge' : '') + '</div>')).join('');";
-    echo "    const street = trigger.dataset.orderStreet || '';";
+    echo "      return '<article class=\"sg-card sg-card--content-card\" data-component=\"content-card\" aria-label=\"Bestellübersicht\"><header class=\"sg-card-segment sg-card-segment--header sg-card-segment--darkgreen\" data-component-part=\"card-header\"><div class=\"sg-strong sg-text-on-dark\">Bestellübersicht</div></header><div class=\"sg-card-segment sg-card-segment--body\" data-component-part=\"card-body\">' + value('Bestellnummer', order.external_ref) + value('Bestelldatum', formatDate(order.order_date)) + value('Verkaufskanal', order.order_source) + value('Bestellstatus', order.order_status) + value('Zahlungsstatus', order.payment_status) + value('Zahlungsart', order.payment_method) + value('Versandart', order.shipping_method) + '<p class=\"sg-body\"><strong>Kunde:</strong> ' + escapeHtml([c.first_name, c.last_name].filter(Boolean).join(' ') || 'Nicht vorhanden') + '</p><p class=\"sg-body\"><strong>Lieferadresse:</strong><br>' + address + '</p>' + value('Netto', formatAmount(a.net, a.currency || 'CHF')) + value('Versand', formatAmount(a.shipping, a.currency || 'CHF')) + value('Rabatt', formatAmount(a.discount, a.currency || 'CHF')) + value('Steuer', formatAmount(a.tax, a.currency || 'CHF')) + value('Gesamtsumme', formatAmount(a.total, a.currency || 'CHF')) + '</div></article><article class=\"sg-card sg-card--content-card\" data-component=\"content-card\" aria-label=\"Bestellte Artikel\"><header class=\"sg-card-segment sg-card-segment--header sg-card-segment--darkgreen\" data-component-part=\"card-header\"><div class=\"sg-strong sg-text-on-dark\">Bestellte Artikel</div></header>' + (lines || '<div class=\"sg-card-segment sg-card-segment--body\" data-component-part=\"card-body\"><p class=\"sg-body\">Keine Artikel vorhanden.</p></div>') + '</article><article class=\"sg-card sg-card--content-card\" data-component=\"content-card\" aria-label=\"Chargenzuordnung\"><header class=\"sg-card-segment sg-card-segment--header sg-card-segment--darkgreen\" data-component-part=\"card-header\"><div class=\"sg-strong sg-text-on-dark\">Chargenzuordnung</div></header><div class=\"sg-card-segment sg-card-segment--body\" data-component-part=\"card-body\">' + (allocations || '<p class=\"sg-body\">Keine Chargenzuordnung vorhanden.</p>') + '</div></article>';";
-    echo "    const houseNumber = trigger.dataset.orderHouseNumber || '';";
+    echo "    };";
-    echo "    const zip = trigger.dataset.orderZip || '';";
-    echo "    const city = trigger.dataset.orderCity || '';";
-    echo "    const country = trigger.dataset.orderCountry || '';";
-    echo "    const streetLine = [street, houseNumber].filter((part) => part && part.length > 0).join(' ').trim();";
-    echo "    const cityLine = [zip, city].filter((part) => part && part.length > 0).join(' ').trim();";
     echo "    setDrawerState(true);";
-    echo "    if (drawerTitle) { drawerTitle.textContent = orderNumber !== '' ? 'Bestellung ' + orderNumber : 'Bestellung'; }";
+    echo "    if (drawerTitle) { drawerTitle.textContent = trigger.dataset.orderNumber ? 'Bestellung ' + trigger.dataset.orderNumber : 'Bestellung'; }";
-    echo "    if (drawerOrderNumber) { drawerOrderNumber.textContent = orderNumber; }";
+    echo "    if (cards) { cards.innerHTML = '<p class=\"sg-body\">Bestelldetails werden geladen …</p>'; }";
-    echo "    if (drawerOrderDate) { drawerOrderDate.textContent = orderDate; }";
+    echo "    fetch('/api/bestellungen/detail.php?id=' + encodeURIComponent(orderId), { credentials: 'same-origin' }).then((response) => response.ok ? response.json() : Promise.reject(new Error('Bestelldetails konnten nicht geladen werden.'))).then((payload) => { if (!payload.ok) { throw new Error('Bestelldetails konnten nicht geladen werden.'); } if (cards) { cards.innerHTML = renderCards(payload.order); } }).catch((error) => { if (cards) { cards.innerHTML = '<p class=\"sg-body\">' + escapeHtml(error.message) + '</p>'; } });";
-    echo "    if (drawerAddressLine1) { drawerAddressLine1.textContent = streetLine; }";
-    echo "    if (drawerAddressLine2) { drawerAddressLine2.textContent = cityLine; }";
-    echo "    if (drawerAddressLine3) { drawerAddressLine3.textContent = country; }";
-    echo "    if (drawerTotal) { drawerTotal.textContent = total; }";
     echo "    contentRoot.querySelectorAll('[data-order-drawer-open]').forEach((button) => {";
     echo "      button.setAttribute('aria-expanded', String(button === trigger));";
     echo "    });";
     echo "  };";
     echo "  const restoreBestellungenList = () => {";
-    echo "    if (bestellungenMobileDetailHost && bestellungenMobileDetailHost.parentNode) {";
+    echo "    if (bestellungenMobileDetailHost && bestellungenMobileDetailHost.parentNode) { const mobileDrawer = bestellungenMobileDetailHost.querySelector('[data-bestellungen-mobile-drawer]'); if (mobileDrawer) { contentRoot.appendChild(mobileDrawer); mobileDrawer.removeAttribute('data-bestellungen-mobile-drawer'); mobileDrawer.dataset.open = 'false'; mobileDrawer.setAttribute('aria-hidden', 'true'); } document.body.classList.remove('sg-card-list-page-drawer-open');";
     echo "      bestellungenMobileDetailHost.parentNode.removeChild(bestellungenMobileDetailHost);";
     echo "    }";
     echo "    bestellungenMobileDetailHost = null;";
@@ -841,13 +1008,13 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  };";
     echo "  const openMobileDetail = (trigger) => {";
     echo "    restoreBestellungenList();";
+    echo "    const sourceDrawer = contentRoot.querySelector('[data-bestellungen-drawer]');";
+    echo "    if (!sourceDrawer) { return; }";
     echo "    const host = document.createElement('div');";
-    echo "    host.innerHTML = renderMobileDetail(trigger);";
+    echo "    host.innerHTML = renderMobileDetail();";
     echo "    bestellungenMobileDetailHost = host.firstElementChild;";
-    echo "    if (bestellungenMobileDetailHost) {";
+    echo "    if (bestellungenMobileDetailHost) { const mobileDrawer = sourceDrawer; mobileDrawer.dataset.bestellungenMobileDrawer = 'true'; mobileDrawer.dataset.open = 'true'; mobileDrawer.setAttribute('aria-hidden', 'false'); bestellungenMobileDetailHost.appendChild(mobileDrawer); document.body.appendChild(bestellungenMobileDetailHost); document.body.classList.add('sg-bestellungen-mobile-detail-open'); }";
-    echo "      document.body.appendChild(bestellungenMobileDetailHost);";
+    echo "    bestellungenOpeningMobileDetail = true; openDrawer(trigger); bestellungenOpeningMobileDetail = false;";
-    echo "      document.body.classList.add('sg-bestellungen-mobile-detail-open');";
-    echo "    }";
     echo "    bestellungenDetailOpen = true;";
     echo "    window.history.pushState({ bestellungenView: 'detail', orderId: trigger.dataset.orderId || '' }, '', window.location.href);";
     echo "  };";
@@ -992,35 +1159,6 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "      }";
     echo "    }";
     echo "  };";
-    echo "  const connectBestellungenRealtime = () => {";
-    echo "    if (!window.EventSource) { return null; }";
-    echo "    if (bestellungenRealtimeSource) {";
-    echo "      bestellungenRealtimeSource.close();";
-    echo "    }";
-    echo "    const source = new EventSource('/api/realtime/bestellungen.php', { withCredentials: true });";
-    echo "    source.addEventListener('bestellungen.changed', (event) => {";
-    echo "      const payload = parseJsonRealtimeEvent(event.data);";
-    echo "      if (!payload) { return; }";
-    echo "      const kind = String(payload.kind || '');";
-    echo "      const orderId = payload.orderId !== undefined && payload.orderId !== null ? String(payload.orderId) : '';";
-    echo "      if (kind === 'updated' && orderId !== '') {";
-    echo "        void reloadBestellungenRow(orderId);";
-    echo "        return;";
-    echo "      }";
-    echo "      void reloadBestellungenSection();";
-    echo "    });";
-    echo "    bestellungenRealtimeSource = source;";
-    echo "    return source;";
-    echo "  };";
-    echo "  const parseJsonRealtimeEvent = (raw) => {";
-    echo "    if (typeof raw !== 'string' || raw.trim() === '') { return null; }";
-    echo "    try {";
-    echo "      const parsed = JSON.parse(raw);";
-    echo "      return parsed && typeof parsed === 'object' ? parsed : null;";
-    echo "    } catch (error) {";
-    echo "      return null;";
-    echo "    }";
-    echo "  };";
     echo "  if (!bestellungenTableHandlersInstalled) {";
     echo "    bestellungenTableHandlersInstalled = true;";
     echo "    document.addEventListener('click', (event) => {";
@@ -1030,7 +1168,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "        closeMobileDetail();";
     echo "      }";
     echo "    });";
-    echo "    contentRoot.addEventListener('click', (event) => {";
+    echo "    document.addEventListener('click', (event) => {";
     echo "      const openTrigger = event.target.closest('[data-order-drawer-open]');";
     echo "      if (openTrigger) {";
     echo "        event.preventDefault();";
@@ -1086,14 +1224,12 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "    }";
     echo "  }";
     echo "  bindTable();";
-    echo "  connectBestellungenRealtime();";
     echo "}";
     echo "(() => {";
     echo "  const overlay = document.querySelector('[data-otc-order-overlay]');";
     echo "  if (!overlay) { return; }";
     echo "  const form = overlay.querySelector('[data-otc-order-form]');";
     echo "  const productInputs = Array.from(form.querySelectorAll('[data-otc-order-product]'));";
-    echo "  const totalPriceInput = form.querySelector('[data-otc-order-total-price]');";
     echo "  const orderDateInput = form.querySelector('[data-otc-order-date]');";
     echo "  const orderDateDefaultValue = orderDateInput ? orderDateInput.value : '';";
     echo "  const paymentRows = form.querySelector('[data-otc-payment-rows]');";
@@ -1106,10 +1242,17 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  const houseNumberInput = form.querySelector('[data-otc-order-house-number]');";
     echo "  const zipInput = form.querySelector('[data-otc-order-zip]');";
     echo "  const cityInput = form.querySelector('[data-otc-order-city]');";
-    echo "  const submitBtn = form.querySelector('[data-otc-order-submit]');";
+    echo "  const submitBtn = overlay.querySelector('[data-otc-order-submit]');";
     echo "  const errorEl = form.querySelector('[data-otc-order-error]');";
     echo "  const successEl = form.querySelector('[data-otc-order-success]');";
     echo "  const successDefaultText = successEl ? successEl.textContent : '';";
+    echo "  const confirmationStage = overlay.querySelector('[data-otc-confirmation-stage]');";
+    echo "  const confirmationCard = overlay.querySelector('[data-otc-confirmation-card]');";
+    echo "  const confirmationProducts = overlay.querySelector('[data-otc-confirmation-products]');";
+    echo "  const confirmationQuantity = overlay.querySelector('[data-otc-confirmation-quantity]');";
+    echo "  const confirmationTotal = overlay.querySelector('[data-otc-confirmation-total]');";
+    echo "  const confirmationSubmit = overlay.querySelector('[data-otc-confirmation-submit]');";
+    echo "  let pendingOrderData = null;";
     echo "  const openTriggers = () => document.querySelectorAll('[data-otc-order-open]');";
     echo "  const setTriggerState = (expanded) => {";
     echo "    openTriggers().forEach((trigger) => { trigger.setAttribute('aria-expanded', String(expanded)); });";
@@ -1120,7 +1263,6 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  const clearSuccess = () => {";
     echo "    if (successEl) { successEl.textContent = successDefaultText; successEl.classList.add('hidden'); }";
     echo "  };";
-    echo "  let backdropPointerDown = false;";
     echo "  const getTodayValue = () => {";
     echo "    const now = new Date();";
     echo "    const year = now.getFullYear();";
@@ -1144,7 +1286,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "      clearSuccess();";
     echo "      ensureCurrentOrderDate();";
     echo "      requestAnimationFrame(() => {";
-    echo "        (productInputs[0] || totalPriceInput || submitBtn)?.focus();";
+    echo "        (productInputs[0] || submitBtn)?.focus();";
     echo "      });";
     echo "      return;";
     echo "    }";
@@ -1156,9 +1298,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  const updatePaymentAddButton = () => { addPaymentButton.disabled = paymentRows.querySelectorAll('[data-otc-payment-row]').length >= paymentOptionValues.length; };";
     echo "  const updateFormState = () => {";
     echo "    const totalQty = productInputs.reduce((sum, input) => sum + getInputValue(input), 0);";
-    echo "    const totalPrice = parseFloat(totalPriceInput.value || '0') || 0;";
     echo "    const isValid = totalQty > 0";
-    echo "      && totalPrice > 0";
     echo "      && !!getFieldValue(orderDateInput)";
     echo "      && paymentRows.querySelectorAll('[data-otc-payment-row]').length > 0";
     echo "      && !!getFieldValue(firstNameInput)";
@@ -1170,12 +1310,8 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "    let errorMsg = '';";
     echo "    if (totalQty === 0) {";
     echo "      errorMsg = 'Mindestens ein Produkt mit Menge > 0 erforderlich.';";
-    echo "    } else if (totalPrice <= 0) {";
-    echo "      errorMsg = 'Preis muss größer als 0 sein.';";
     echo "    } else if (!getFieldValue(orderDateInput)) {";
     echo "      errorMsg = 'Bestelldatum auswählen.';";
-    echo "    } else if (getPaymentTotal() !== totalPrice) {";
-    echo "      errorMsg = 'Die Zahlungsbeträge müssen dem Gesamtbetrag entsprechen.';";
     echo "    } else if (!getFieldValue(firstNameInput) || !getFieldValue(lastNameInput) || !getFieldValue(streetInput) || !getFieldValue(houseNumberInput) || !getFieldValue(zipInput) || !getFieldValue(cityInput)) {";
     echo "      errorMsg = 'Alle Rechnungsadress-Felder ausfüllen.';";
     echo "    }";
@@ -1196,9 +1332,27 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "    if (!preserveSuccess) { clearSuccess(); }";
     echo "    if (!preserveSuccess) { updateFormState(); }";
     echo "  };";
-    echo "  overlay.addEventListener('pointerdown', (event) => {";
+    echo "  const closeConfirmation = () => {";
-    echo "    backdropPointerDown = event.target === overlay;";
+    echo "    pendingOrderData = null;";
+    echo "    confirmationStage.dataset.dialogOpen = 'false';";
+    echo "    confirmationCard.hidden = true;";
+    echo "  };";
+    echo "  const openConfirmation = (orderData) => {";
+    echo "    pendingOrderData = orderData;";
+    echo "    confirmationProducts.replaceChildren();";
+    echo "    orderData.products.forEach((product) => {";
+    echo "      const input = productInputs.find((candidate) => parseInt(candidate.dataset.productId || '0', 10) === product.productId);";
+    echo "      const item = document.createElement('div');";
+    echo "      item.className = 'sg-body';";
+    echo "      item.textContent = (input?.dataset.title || 'Produkt') + ': ' + product.qty;";
+    echo "      confirmationProducts.appendChild(item);";
     echo "    });";
+    echo "    confirmationQuantity.textContent = String(orderData.products.reduce((sum, product) => sum + product.qty, 0));";
+    echo "    confirmationTotal.textContent = orderData.payments.reduce((sum, payment) => sum + payment.amount, 0).toFixed(2);";
+    echo "    confirmationStage.dataset.dialogOpen = 'true';";
+    echo "    confirmationCard.hidden = false;";
+    echo "    requestAnimationFrame(() => confirmationSubmit.focus());";
+    echo "  };";
     echo "  document.addEventListener('click', (event) => {";
     echo "    const openTrigger = event.target.closest('[data-otc-order-open]');";
     echo "    if (openTrigger) {";
@@ -1212,18 +1366,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "      toggleOverlay(false);";
     echo "    }";
     echo "  });";
-    echo "  overlay.addEventListener('click', (event) => {";
+    echo "  [orderDateInput, firstNameInput, lastNameInput, streetInput, houseNumberInput, zipInput, cityInput].forEach((input) => {";
-    echo "    if (event.target === overlay && backdropPointerDown) {";
-    echo "      toggleOverlay(false);";
-    echo "    }";
-    echo "    backdropPointerDown = false;";
-    echo "  });";
-    echo "  document.addEventListener('keydown', (event) => {";
-    echo "    if (event.key === 'Escape' && overlay.dataset.open === 'true') {";
-    echo "      toggleOverlay(false);";
-    echo "    }";
-    echo "  });";
-    echo "  [totalPriceInput, orderDateInput, firstNameInput, lastNameInput, streetInput, houseNumberInput, zipInput, cityInput].forEach((input) => {";
     echo "    if (!input) { return; }";
     echo "    input.addEventListener('input', updateFormState);";
     echo "    input.addEventListener('change', updateFormState);";
@@ -1232,7 +1375,6 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "    input.addEventListener('input', updateFormState);";
     echo "    input.addEventListener('change', updateFormState);";
     echo "  });";
-    echo "  const getPaymentTotal = () => Math.round(Array.from(paymentRows.querySelectorAll('[data-otc-payment-amount]')).reduce((sum, input) => sum + (parseFloat(input.value || '0') || 0), 0) * 100) / 100;";
     echo "  const bindPaymentRow = (row) => {";
     echo "    row.querySelectorAll('select, input').forEach((input) => { input.addEventListener('input', updateFormState); input.addEventListener('change', updateFormState); });";
     echo "  };";
@@ -1244,7 +1386,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "    const row = document.createElement('div');";
     echo "    row.className = 'sg-form-sections-card__field-group';";
     echo "    row.dataset.otcPaymentRow = '';";
-    echo "    row.innerHTML = '<label class=\"sg-label\" for=\"otc-payment-method-' + number + '\">Bezahlart</label><select class=\"sg-interaction-element sg-input-single-line\" id=\"otc-payment-method-' + number + '\" data-otc-payment-method>' + paymentOptions + '</select><label class=\"sg-label\" for=\"otc-payment-amount-' + number + '\">Betrag (CHF)</label><input class=\"sg-interaction-element sg-input-single-line\" type=\"number\" id=\"otc-payment-amount-' + number + '\" min=\"0.01\" step=\"0.01\" value=\"0.00\" data-otc-payment-amount>';";
+    echo "    row.innerHTML = '<label class=\"sg-labeled-input-row\"><span class=\"sg-label\">Bezahlart</span><select class=\"sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable sg-pulldown\" id=\"otc-payment-method-' + number + '\" data-otc-payment-method>' + paymentOptions + '</select></label><label class=\"sg-labeled-input-row\"><span class=\"sg-label\">Betrag (CHF)</span><input class=\"sg-interaction-element sg-input-single-line sg-input-single-line--inactive-selectable sg-form-inactive-selectable\" type=\"number\" id=\"otc-payment-amount-' + number + '\" min=\"0.01\" step=\"0.01\" value=\"0.00\" data-otc-payment-amount></label>' ;";
     echo "    row.querySelector('[data-otc-payment-method]').value = nextPaymentMethod;";
     echo "    paymentRows.appendChild(row);";
     echo "    bindPaymentRow(row);";
@@ -1254,31 +1396,11 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "  addPaymentButton.addEventListener('click', addPaymentRow);";
     echo "  bindPaymentRow(paymentRows.querySelector('[data-otc-payment-row]'));";
     echo "  updatePaymentAddButton();";
-    echo "  form.addEventListener('submit', async (event) => {";
+    echo "  const submitOrder = async (orderData) => {";
-    echo "    event.preventDefault();";
     echo "    let submissionSucceeded = false;";
-    echo "    if (!updateFormState()) { return; }";
+    echo "    const originalBtnText = confirmationSubmit.innerHTML;";
-    echo "    const products = productInputs";
+    echo "    confirmationSubmit.innerHTML = '<span class=\"loading\"></span> Wird verarbeitet...';";
-    echo "      .filter((input) => getInputValue(input) > 0)";
+    echo "    confirmationSubmit.disabled = true;";
-    echo "      .map((input) => ({ productId: parseInt(input.dataset.productId || '0', 10), qty: getInputValue(input) }));";
-    echo "    const orderData = {";
-    echo "      products: products,";
-    echo "      totalPrice: parseFloat(totalPriceInput.value || '0') || 0,";
-    echo "      orderDate: orderDateInput ? orderDateInput.value : '',";
-    echo "      payments: Array.from(paymentRows.querySelectorAll('[data-otc-payment-row]')).map((row) => ({ paymentMethod: row.querySelector('[data-otc-payment-method]').value, amount: parseFloat(row.querySelector('[data-otc-payment-amount]').value || '0') || 0 })),";
-    echo "      billing: {";
-    echo "        firstName: getFieldValue(firstNameInput),";
-    echo "        lastName: getFieldValue(lastNameInput),";
-    echo "        street: getFieldValue(streetInput),";
-    echo "        houseNumber: getFieldValue(houseNumberInput),";
-    echo "        zip: getFieldValue(zipInput),";
-    echo "        city: getFieldValue(cityInput)";
-    echo "      }";
-    echo "    };";
-    echo "    const originalBtnText = submitBtn.innerHTML;";
-    echo "    submitBtn.innerHTML = '<span class=\"loading\"></span> Wird verarbeitet...';";
-    echo "    submitBtn.disabled = true;";
-    echo "    submitBtn.classList.add('sg-button--process-inactive');";
     echo "    clearError();";
     echo "    try {";
     echo "      const response = await fetch('/api/otc-order.php', {";
@@ -1293,20 +1415,50 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $best
     echo "          successEl.textContent = result.externalRef ? 'Bestellung erfolgreich erfasst! Bestellnummer: ' + result.externalRef : successDefaultText;";
     echo "          successEl.classList.remove('hidden');";
     echo "        }";
-    echo "        resetForm(true);";
+    echo "        closeConfirmation();";
+    echo "        resetForm();";
+    echo "        toggleOverlay(false);";
     echo "      } else if (errorEl) {";
     echo "        errorEl.textContent = result.error || 'Unbekannter Fehler';";
     echo "        errorEl.classList.remove('hidden');";
+    echo "        closeConfirmation();";
     echo "      }";
     echo "    } catch (error) {";
     echo "      if (errorEl) {";
     echo "        errorEl.textContent = 'Netzwerkfehler: ' + error.message;";
     echo "        errorEl.classList.remove('hidden');";
     echo "      }";
+    echo "      closeConfirmation();";
     echo "    } finally {";
-    echo "      submitBtn.innerHTML = originalBtnText;";
+    echo "      confirmationSubmit.innerHTML = originalBtnText;";
+    echo "      confirmationSubmit.disabled = false;";
     echo "      if (!submissionSucceeded) { updateFormState(); }";
     echo "    }";
+    echo "  };";
+    echo "  form.addEventListener('submit', (event) => {";
+    echo "    event.preventDefault();";
+    echo "    if (!updateFormState()) { return; }";
+    echo "    const products = productInputs";
+    echo "      .filter((input) => getInputValue(input) > 0)";
+    echo "      .map((input) => ({ productId: parseInt(input.dataset.productId || '0', 10), qty: getInputValue(input) }));";
+    echo "    const orderData = {";
+    echo "      products: products,";
+    echo "      orderDate: orderDateInput ? orderDateInput.value : '',";
+    echo "      payments: Array.from(paymentRows.querySelectorAll('[data-otc-payment-row]')).map((row) => ({ paymentMethod: row.querySelector('[data-otc-payment-method]').value, amount: parseFloat(row.querySelector('[data-otc-payment-amount]').value || '0') || 0 })),";
+    echo "      billing: {";
+    echo "        firstName: getFieldValue(firstNameInput),";
+    echo "        lastName: getFieldValue(lastNameInput),";
+    echo "        street: getFieldValue(streetInput),";
+    echo "        houseNumber: getFieldValue(houseNumberInput),";
+    echo "        zip: getFieldValue(zipInput),";
+    echo "        city: getFieldValue(cityInput)";
+    echo "      }";
+    echo "    };";
+    echo "    openConfirmation(orderData);";
+    echo "  });";
+    echo "  confirmationStage.addEventListener('click', (event) => {";
+    echo "    if (event.target.closest('[data-otc-confirmation-cancel]')) { closeConfirmation(); return; }";
+    echo "    if (event.target.closest('[data-otc-confirmation-submit]') && pendingOrderData) { submitOrder(pendingOrderData); }";
     echo "  });";
     echo "  updateFormState();";
     echo "})();";

modules/system/audit.php

@@ -0,0 +1,30 @@
+<?php
+declare(strict_types=1);
+
+function system_write_audit_log(
+    PDO $pdo,
+    string $entityName,
+    string $entityId,
+    string $action,
+    ?string $changedBy,
+    array $beforeData,
+    array $afterData,
+    array $context = []
+): void {
+    $stmt = $pdo->prepare(
+        "INSERT INTO audit_log (
+            entity_name, entity_id, action, changed_by, before_data, after_data, context
+         ) VALUES (
+            :entity_name, :entity_id, :action, :changed_by, :before_data::jsonb, :after_data::jsonb, :context::jsonb
+         )"
+    );
+    $stmt->execute([
+        ':entity_name' => $entityName,
+        ':entity_id' => $entityId,
+        ':action' => $action,
+        ':changed_by' => $changedBy,
+        ':before_data' => json_encode($beforeData, JSON_THROW_ON_ERROR),
+        ':after_data' => json_encode($afterData, JSON_THROW_ON_ERROR),
+        ':context' => json_encode($context, JSON_THROW_ON_ERROR),
+    ]);
+}

modules/system/naurua-erp-cron.php

@@ -3,6 +3,8 @@ declare(strict_types=1);
 
 require_once __DIR__ . '/../shared/db.php';
 require_once __DIR__ . '/../erp/lager/forecast.php';
+require_once __DIR__ . '/../erp/import-integration/shopify-webhook-worker.php';
+require_once __DIR__ . '/../erp/import-integration/shopify-delta-run.php';
 
 if (PHP_SAPI !== 'cli') {
     http_response_code(404);
@@ -19,7 +21,26 @@ $env = expand_env_values(parse_env_file(dirname(__DIR__, 2) . '/.env'));
 $pdo = connect_database($env);
 
 try {
+    $reconciliationStartedAt = new DateTimeImmutable('now', new DateTimeZone('Europe/Zurich'));
     $jobs = [
+        'erp.import-integration.shopify_webhook_worker' => static fn (): array => shopify_webhook_worker_run($pdo, $env, 100),
+        'erp.import-integration.shopify_delta_order_import' => static function () use ($pdo, $env, $reconciliationStartedAt): array {
+            $cutoff = shopify_delta_reconciliation_cutoff($pdo);
+            $recoveryOrderGids = shopify_delta_load_pending_order_gids($pdo);
+            $runId = shopify_delta_start_run($pdo, $cutoff, false);
+            try {
+                $result = run_shopify_delta($env, $pdo, $cutoff, false, $recoveryOrderGids);
+                $result['technical_run_id'] = $runId;
+                if (($result['status'] ?? '') === 'done') {
+                    shopify_delta_store_watermark($pdo, $reconciliationStartedAt->format(DATE_ATOM));
+                }
+                shopify_delta_finish_run($pdo, $runId, (string) $result['status'], $result);
+                return $result;
+            } catch (Throwable $error) {
+                shopify_delta_finish_run($pdo, $runId, 'failed', ['status' => 'failed', 'technical_run_id' => $runId], $error);
+                throw $error;
+            }
+        },
         'erp.lager.stock_lot_forecast_refresh' => static fn (): array => run_lager_stock_lot_forecast($pdo),
     ];
     $results = [];

public/api/bestellungen/detail.php

@@ -0,0 +1,34 @@
+<?php
+declare(strict_types=1);
+
+require_once __DIR__ . '/../../../modules/shared/db.php';
+require_once __DIR__ . '/../../../modules/shared/auth/service.php';
+require_once __DIR__ . '/../../../modules/erp/bestellungen/service.php';
+
+header('Content-Type: application/json; charset=utf-8');
+
+$env = expand_env_values(parse_env_file(__DIR__ . '/../../../.env'));
+$pdo = connect_database($env);
+auth_bootstrap_session();
+
+if (auth_current_user($pdo) === null) {
+    http_response_code(401);
+    echo json_encode(['ok' => false, 'error' => 'Unauthorized']);
+    exit;
+}
+
+$orderId = filter_input(INPUT_GET, 'id', FILTER_VALIDATE_INT);
+if (!is_int($orderId) || $orderId <= 0) {
+    http_response_code(400);
+    echo json_encode(['ok' => false, 'error' => 'Invalid order id']);
+    exit;
+}
+
+$detail = get_sales_order_detail($pdo, $orderId);
+if ($detail === null) {
+    http_response_code(404);
+    echo json_encode(['ok' => false, 'error' => 'Order not found']);
+    exit;
+}
+
+echo json_encode(['ok' => true, 'order' => $detail], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);

public/api/lager-charge.php

@@ -0,0 +1,4 @@
+<?php
+declare(strict_types=1);
+
+require_once __DIR__ . '/../../modules/erp/lager/api/lot.php';

public/api/lager-document.php

@@ -0,0 +1,30 @@
+<?php
+declare(strict_types=1);
+
+require_once __DIR__ . '/../../modules/shared/db.php';
+require_once __DIR__ . '/../../modules/shared/auth/service.php';
+require_once __DIR__ . '/../../modules/erp/lager/service.php';
+
+$env = expand_env_values(parse_env_file(__DIR__ . '/../../.env'));
+
+try {
+    $pdo = connect_database($env);
+    auth_bootstrap_session();
+    if (auth_current_user($pdo) === null) {
+        http_response_code(401);
+        exit('Unauthorized');
+    }
+    $document = get_stock_lot_document($pdo, (int) ($_GET['id'] ?? 0));
+    $path = dirname(__DIR__, 2) . '/runtime/uploads/lager/' . basename((string) $document['stored_filename']);
+    if (!is_file($path)) {
+        http_response_code(404);
+        exit('Not Found');
+    }
+    header('Content-Type: application/octet-stream');
+    header('Content-Length: ' . (string) filesize($path));
+    header("Content-Disposition: attachment; filename*=UTF-8''" . rawurlencode((string) $document['original_filename']));
+    readfile($path);
+} catch (Throwable) {
+    http_response_code(404);
+    exit('Not Found');
+}

public/api/realtime/bestellungen.php

@@ -1,6 +1,11 @@
 <?php
 declare(strict_types=1);
 
+http_response_code(410);
+header('Content-Type: text/plain; charset=utf-8');
+echo 'Bestellungen-Realtime ist deaktiviert.';
+exit;
+
 require_once __DIR__ . '/../../../modules/shared/db.php';
 require_once __DIR__ . '/../../../modules/shared/auth/service.php';
 require_once __DIR__ . '/../../../modules/erp/bestellungen/service.php';

public/assets/styleguide.upstream.css

@@ -175,6 +175,8 @@
   --layout-object-card-mobile-width: var(--dimension-object-card-mobile-width);
   --layout-object-card-mobile-height: var(--dimension-object-card-mobile-height);
   --layout-object-card-desktop-breakpoint: var(--dimension-object-card-desktop-breakpoint);
+  --layout-scrollable-card-width: var(--dimension-scrollable-card-width);
+  --layout-scrollable-card-height: var(--dimension-scrollable-card-height);
   --layout-content-card-margin-top-desktop: var(--dimension-content-card-margin-top-desktop);
   --layout-content-card-margin-top-mobile: var(--dimension-content-card-margin-top-mobile);
   --layout-notification-card-width: var(--dimension-notification-card-width);
@@ -287,6 +289,8 @@
   --dimension-object-card-mobile-width: 100%;
   --dimension-object-card-mobile-height: auto;
   --dimension-object-card-desktop-breakpoint: 768px;
+  --dimension-scrollable-card-width: 600px;
+  --dimension-scrollable-card-height: 600px;
   --dimension-content-card-margin-top-desktop: 100px;
   --dimension-content-card-margin-top-mobile: 1rem;
   --dimension-object-group-card-min-width: 450px;
@@ -656,6 +660,13 @@ section + section {
       color: var(--text-control-default);
     }
 
+    .sg-button--warning {
+      --surface-button-warning: var(--color-signal-red);
+      --text-button-warning: var(--color-font-light);
+      background: var(--surface-button-warning);
+      color: var(--text-button-warning);
+    }
+
     .sg-button--process {
       background: var(--surface-button-process);
       color: var(--text-button-process);
@@ -2096,6 +2107,147 @@ section + section {
       text-decoration: none;
     }
 
+/* Component: File Input */
+.sg-file-input {
+  width: 100%;
+}
+
+.sg-file-input__row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  width: 100%;
+}
+
+.sg-file-input__control {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+.sg-file-input:focus-within .sg-file-input__trigger {
+  outline: 2px solid var(--text-hyperlink);
+  outline-offset: 2px;
+}
+
+.sg-file-input__trigger {
+  align-self: flex-start;
+}
+
+@media (max-width: 48rem) {
+  .sg-file-input__row {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+}
+
+.sg-file-input--disabled {
+  opacity: var(--disabled-opacity);
+}
+
+.sg-file-input--disabled .sg-file-input__trigger {
+  cursor: not-allowed;
+}
+
+/* ========================================================= */
+/* Patterns: Datei-Upload                                   */
+/* ========================================================= */
+
+.sg-file-upload {
+  --surface-file-upload-dropzone: var(--surface-form-preview);
+  --surface-file-upload-file-item: var(--surface-control-default);
+  --text-file-upload-meta: var(--text-control-disabled);
+  --text-file-upload-error: var(--color-signal-red);
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-large);
+  width: 100%;
+  max-width: var(--layout-input-field-max-width);
+}
+
+.sg-file-upload__status,
+.sg-file-upload__file-meta {
+  margin: var(--spacing-small) 0 0;
+}
+
+.sg-file-upload__dropzone {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  width: 100%;
+  padding: var(--spacing-large);
+  background: var(--surface-file-upload-dropzone);
+  border: 1px dashed var(--surface-button-active);
+  border-radius: var(--radius-interaction);
+}
+
+.sg-file-upload__dropzone[data-drag-over="true"] {
+  outline: 2px solid var(--text-hyperlink);
+  outline-offset: 2px;
+}
+
+.sg-file-upload__files {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-small);
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.sg-file-upload__file {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  padding: var(--spacing-small) var(--spacing-large);
+  color: var(--text-control-default);
+  background: var(--surface-file-upload-file-item);
+  border-radius: var(--radius-interaction);
+}
+
+.sg-file-upload__file-name {
+  min-width: 0;
+  overflow-wrap: anywhere;
+}
+
+.sg-file-upload__file-meta {
+  color: var(--text-file-upload-meta);
+}
+
+.sg-file-upload__remove {
+  flex: 0 0 auto;
+}
+
+.sg-file-upload__submit {
+  align-self: flex-end;
+}
+
+.sg-file-upload__error {
+  color: var(--text-file-upload-error);
+}
+
+@media (max-width: 48rem) {
+  .sg-file-upload__dropzone {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+
+  .sg-file-upload__file {
+    align-items: flex-start;
+    flex-direction: column;
+    gap: var(--spacing-small);
+  }
+}
+
 /* ========================================================= */
 /* Patterns: Portal Header                                   */
 /* ========================================================= */
@@ -5031,3 +5183,38 @@ main {
   }
 }
 
+/* ========================================================= */
+/* Patterns: Scrollable Card                                 */
+/* ========================================================= */
+
+.sg-scrollable-card {
+  display: flex;
+  flex-direction: column;
+  width: var(--layout-scrollable-card-width);
+  max-width: 100%;
+  height: var(--layout-scrollable-card-height);
+  box-sizing: border-box;
+}
+
+.sg-scrollable-card__header,
+.sg-scrollable-card__actions-segment {
+  flex: 0 0 auto;
+}
+
+.sg-scrollable-card__content {
+  flex: 1 1 auto;
+  min-height: 0;
+  overflow-y: auto;
+}
+
+.sg-scrollable-card__actions {
+  display: flex;
+  gap: var(--spacing-small);
+  width: 100%;
+}
+
+.sg-scrollable-card__actions > .sg-button {
+  flex: 1 1 0;
+  min-width: 0;
+}
+

public/assets/styleguide.upstream.meta.json

@@ -1,7 +1,7 @@
 {
   "styleguideVersion": "2026.05.18.1",
-  "styleguideCommit": "3f4ec38",
+  "styleguideCommit": "71734d6",
-  "syncedAtUtc": "2026-09-03T15:57:49Z",
+  "syncedAtUtc": "2026-09-08T09:49:27Z",
   "sourceRepo": "/Users/mathias/Documents/Dokumente Chouchou/Codebases/Styleguide",
   "mirroredDocsPath": "docs/styleguide"
 }

public/assets/styles.css

@@ -175,6 +175,8 @@
   --layout-object-card-mobile-width: var(--dimension-object-card-mobile-width);
   --layout-object-card-mobile-height: var(--dimension-object-card-mobile-height);
   --layout-object-card-desktop-breakpoint: var(--dimension-object-card-desktop-breakpoint);
+  --layout-scrollable-card-width: var(--dimension-scrollable-card-width);
+  --layout-scrollable-card-height: var(--dimension-scrollable-card-height);
   --layout-content-card-margin-top-desktop: var(--dimension-content-card-margin-top-desktop);
   --layout-content-card-margin-top-mobile: var(--dimension-content-card-margin-top-mobile);
   --layout-notification-card-width: var(--dimension-notification-card-width);
@@ -287,6 +289,8 @@
   --dimension-object-card-mobile-width: 100%;
   --dimension-object-card-mobile-height: auto;
   --dimension-object-card-desktop-breakpoint: 768px;
+  --dimension-scrollable-card-width: 600px;
+  --dimension-scrollable-card-height: 600px;
   --dimension-content-card-margin-top-desktop: 100px;
   --dimension-content-card-margin-top-mobile: 1rem;
   --dimension-object-group-card-min-width: 450px;
@@ -656,6 +660,13 @@ section + section {
       color: var(--text-control-default);
     }
 
+    .sg-button--warning {
+      --surface-button-warning: var(--color-signal-red);
+      --text-button-warning: var(--color-font-light);
+      background: var(--surface-button-warning);
+      color: var(--text-button-warning);
+    }
+
     .sg-button--process {
       background: var(--surface-button-process);
       color: var(--text-button-process);
@@ -2096,6 +2107,147 @@ section + section {
       text-decoration: none;
     }
 
+/* Component: File Input */
+.sg-file-input {
+  width: 100%;
+}
+
+.sg-file-input__row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  width: 100%;
+}
+
+.sg-file-input__control {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+.sg-file-input:focus-within .sg-file-input__trigger {
+  outline: 2px solid var(--text-hyperlink);
+  outline-offset: 2px;
+}
+
+.sg-file-input__trigger {
+  align-self: flex-start;
+}
+
+@media (max-width: 48rem) {
+  .sg-file-input__row {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+}
+
+.sg-file-input--disabled {
+  opacity: var(--disabled-opacity);
+}
+
+.sg-file-input--disabled .sg-file-input__trigger {
+  cursor: not-allowed;
+}
+
+/* ========================================================= */
+/* Patterns: Datei-Upload                                   */
+/* ========================================================= */
+
+.sg-file-upload {
+  --surface-file-upload-dropzone: var(--surface-form-preview);
+  --surface-file-upload-file-item: var(--surface-control-default);
+  --text-file-upload-meta: var(--text-control-disabled);
+  --text-file-upload-error: var(--color-signal-red);
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-large);
+  width: 100%;
+  max-width: var(--layout-input-field-max-width);
+}
+
+.sg-file-upload__status,
+.sg-file-upload__file-meta {
+  margin: var(--spacing-small) 0 0;
+}
+
+.sg-file-upload__dropzone {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  width: 100%;
+  padding: var(--spacing-large);
+  background: var(--surface-file-upload-dropzone);
+  border: 1px dashed var(--surface-button-active);
+  border-radius: var(--radius-interaction);
+}
+
+.sg-file-upload__dropzone[data-drag-over="true"] {
+  outline: 2px solid var(--text-hyperlink);
+  outline-offset: 2px;
+}
+
+.sg-file-upload__files {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-small);
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.sg-file-upload__file {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: var(--spacing-large);
+  padding: var(--spacing-small) var(--spacing-large);
+  color: var(--text-control-default);
+  background: var(--surface-file-upload-file-item);
+  border-radius: var(--radius-interaction);
+}
+
+.sg-file-upload__file-name {
+  min-width: 0;
+  overflow-wrap: anywhere;
+}
+
+.sg-file-upload__file-meta {
+  color: var(--text-file-upload-meta);
+}
+
+.sg-file-upload__remove {
+  flex: 0 0 auto;
+}
+
+.sg-file-upload__submit {
+  align-self: flex-end;
+}
+
+.sg-file-upload__error {
+  color: var(--text-file-upload-error);
+}
+
+@media (max-width: 48rem) {
+  .sg-file-upload__dropzone {
+    align-items: flex-start;
+    flex-direction: column;
+  }
+
+  .sg-file-upload__file {
+    align-items: flex-start;
+    flex-direction: column;
+    gap: var(--spacing-small);
+  }
+}
+
 /* ========================================================= */
 /* Patterns: Portal Header                                   */
 /* ========================================================= */
@@ -5031,3 +5183,38 @@ main {
   }
 }
 
+/* ========================================================= */
+/* Patterns: Scrollable Card                                 */
+/* ========================================================= */
+
+.sg-scrollable-card {
+  display: flex;
+  flex-direction: column;
+  width: var(--layout-scrollable-card-width);
+  max-width: 100%;
+  height: var(--layout-scrollable-card-height);
+  box-sizing: border-box;
+}
+
+.sg-scrollable-card__header,
+.sg-scrollable-card__actions-segment {
+  flex: 0 0 auto;
+}
+
+.sg-scrollable-card__content {
+  flex: 1 1 auto;
+  min-height: 0;
+  overflow-y: auto;
+}
+
+.sg-scrollable-card__actions {
+  display: flex;
+  gap: var(--spacing-small);
+  width: 100%;
+}
+
+.sg-scrollable-card__actions > .sg-button {
+  flex: 1 1 0;
+  min-width: 0;
+}
+

public/assets/styles.portal.css

@@ -96,6 +96,31 @@ body.sg-lager-mobile-detail-open > :not([data-lager-mobile-detail-host]) {
   width: 100%;
 }
 
+.sg-lager-mobile-detail-host .sg-card-list-page-drawer {
+  position: static;
+  display: flex;
+  width: 100%;
+  max-width: none;
+  transform: none;
+  box-shadow: none;
+  overflow: visible;
+}
+
+.sg-bestellungen-mobile-detail-host .sg-card-list-page-drawer {
+  position: static;
+  display: flex;
+  width: 100%;
+  max-width: none;
+  transform: none;
+  box-shadow: none;
+  overflow: visible;
+}
+
+.sg-mobile-detail-back-card,
+.sg-mobile-detail-back-card * {
+  cursor: pointer;
+}
+
 .sg-otc-order-overlay {
   position: fixed;
   inset: 0;
@@ -112,9 +137,8 @@ body.sg-lager-mobile-detail-open > :not([data-lager-mobile-detail-host]) {
 }
 
 .sg-otc-order-overlay__panel {
-  width: min(960px, 100%);
+  --layout-scrollable-card-width: min(960px, 100%);
-  max-height: calc(100vh - (2 * var(--spacing-large)));
+  --layout-scrollable-card-height: min(600px, calc(100vh - (2 * var(--spacing-large))));
-  overflow: auto;
 }
 
 .sg-otc-order-overlay__title {
@@ -133,6 +157,19 @@ body.sg-lager-mobile-detail-open > :not([data-lager-mobile-detail-host]) {
   color: var(--color-signal-red);
 }
 
+.sg-otc-order-overlay [data-otc-order-product] {
+  flex: 0 0 6rem;
+  width: 6rem;
+  max-width: 6rem;
+  margin-left: auto;
+  text-align: right;
+}
+
+.sg-otc-order-overlay .sg-otc-order-product-row .sg-label {
+  min-width: 0;
+  flex: 1 1 auto;
+}
+
 .sg-otc-order-overlay .sg-form-sections-card__field-group {
   gap: var(--spacing-small);
 }
@@ -149,6 +186,14 @@ body.sg-lager-mobile-detail-open > :not([data-lager-mobile-detail-host]) {
 }
 
 @media (max-width: 767px) {
+  .sg-otc-order-overlay [data-otc-order-product] {
+    flex: 1 1 auto;
+    width: 100%;
+    max-width: 100%;
+    margin-left: 0;
+    text-align: left;
+  }
+
   .sg-large-table--bestellungen .sg-search-field-row {
     width: min(100%, calc(var(--layout-search-field-width) * 0.75));
   }
@@ -225,6 +270,33 @@ body.sg-lager-mobile-detail-open > :not([data-lager-mobile-detail-host]) {
   color: var(--color-signal-yellow);
 }
 
+.sg-card-list-page-drawer [data-lager-edit-form][hidden],
+.sg-card-list-page-drawer [data-lager-read-view][hidden],
+.sg-card-list-page-drawer [data-lager-drawer-topic="new-lot-form"][hidden],
+.sg-card-list-page-drawer [data-lager-new-lot-notification-wrapper][hidden],
+.sg-card-list-page-drawer [data-lager-open-edit-form][hidden],
+.sg-card-list-page-drawer [data-lager-open-edit-actions][hidden],
+.sg-card-list-page-drawer [data-lager-open-card][hidden],
+.sg-card-list-page-drawer [data-lager-edit-documents][hidden],
+.sg-card-list-page-drawer [data-lager-edit-actions][hidden] {
+  display: none;
+}
+
+.sg-card-list-page-drawer .sg-file-upload {
+  max-width: none;
+}
+
+.sg-card-list-page-drawer .sg-file-upload__dropzone {
+  box-sizing: border-box;
+}
+
+.sg-card-list-page-drawer [data-lager-drawer-topic="new-lot-action"] {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  gap: var(--spacing-small);
+}
+
 .sg-card-list-page-drawer__title {
   color: var(--color-white);
 }

public/index.php

@@ -6,6 +6,7 @@ require_once __DIR__ . '/../modules/shared/auth/ui/login.php';
 require_once __DIR__ . '/../modules/shared/auth/ui/home.php';
 require_once __DIR__ . '/../modules/erp/bestellungen/service.php';
 require_once __DIR__ . '/../modules/erp/lager/service.php';
+require_once __DIR__ . '/../modules/erp/kontakte/service.php';
 require_once __DIR__ . '/../modules/erp/artikel-mapping/service.php';
 
 $env = expand_env_values(parse_env_file(__DIR__ . '/../.env'));
@@ -48,6 +49,7 @@ $currentUser = auth_current_user($pdo);
 if ($currentUser !== null) {
     $otcProducts = get_otc_order_form_products($pdo);
     $lagerProducts = get_lager_product_overview($pdo);
+    $lagerManufacturers = get_manufacturer_options($pdo);
     $lagerArtikel = get_lager_artikel_overview($pdo);
     $bestellungenTable = get_sales_order_overview($pdo, [
         'search' => (string) ($_GET['bestellungen_search'] ?? ''),
@@ -60,7 +62,7 @@ if ($currentUser !== null) {
         echo auth_render_bestellungen_content($bestellungenTable);
         exit;
     }
-    render_auth_home_page($currentUser, $otcProducts, $bestellungenTable, $lagerProducts, $lagerArtikel);
+    render_auth_home_page($currentUser, $otcProducts, $bestellungenTable, $lagerProducts, $lagerArtikel, $lagerManufacturers);
     exit;
 }