FEAT: Implement deceased/givenaway enclosure visibility rules, preserve external clan name, and hide receiver fields for deceased gerbils

2026-06-13 01:40:19 +02:00
parent 5732398e60
commit 396d8f05d8
53 changed files with 7431 additions and 274 deletions
--- a/gerbil-manager-web/e2e/farbschlag-sync.spec.ts
+++ b/gerbil-manager-web/e2e/farbschlag-sync.spec.ts
@@ -7,9 +7,6 @@ test('Farbschlag-Auswahl füllt Gencode automatisch aus', async ({ page }) => {
  skipUnlessMock()
  await page.goto('/rennmaeuse/neu')

-  const farbschlagSelect = page
-    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.colorVariety}")`) })
-    .locator('select')
  const genotypeInput = page
    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.genotype}")`) })
    .locator('input')
@@ -18,7 +15,8 @@ test('Farbschlag-Auswahl füllt Gencode automatisch aus', async ({ page }) => {
  await expect(genotypeInput).toHaveValue('')

  // 'Agouti' wählen → Gencode wird automatisch befüllt.
-  await farbschlagSelect.selectOption({ label: 'Agouti' })
+  await page.locator('.color-picker-trigger').click()
+  await page.locator('.color-picker-option', { hasText: 'Agouti' }).click()
  await expect(genotypeInput).toHaveValue('AA CC DD EE GG PP spsp rere')
 })

@@ -26,54 +24,47 @@ test('Gencode-Eingabe aktualisiert die Farbschlag-Auswahl', async ({ page }) =>
  skipUnlessMock()
  await page.goto('/rennmaeuse/neu')

-  const farbschlagSelect = page
-    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.colorVariety}")`) })
-    .locator('select')
  const genotypeInput = page
    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.genotype}")`) })
    .locator('input')

  // Gencode für Schwarz eintippen → Farbschlag-Select springt auf 'Schwarz'.
  await genotypeInput.fill('aa CC DD EE GG PP spsp rere')
-  await expect(farbschlagSelect).toHaveValue('cv-schwarz')
+  await expect(page.locator('.color-picker-trigger')).toHaveText(/Schwarz/)
 })

 test('Gencode ohne passende Farbschlag-Auswahl leert das Dropdown', async ({ page }) => {
  skipUnlessMock()
  await page.goto('/rennmaeuse/neu')

-  const farbschlagSelect = page
-    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.colorVariety}")`) })
-    .locator('select')
  const genotypeInput = page
    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.genotype}")`) })
    .locator('input')

  // Zuerst eine bekannte Farbe wählen, damit das Select belegt ist.
-  await farbschlagSelect.selectOption({ label: 'Agouti' })
-  await expect(farbschlagSelect).not.toHaveValue('')
+  await page.locator('.color-picker-trigger').click()
+  await page.locator('.color-picker-option', { hasText: 'Agouti' }).click()
+  await expect(page.locator('.color-picker-trigger')).toHaveText(/Agouti/)

  // Marder-Genotyp: bekannte Farbe im Engine, aber NICHT im Mock-Dropdown
  // → Select wird auf '' (kein Eintrag) zurückgesetzt.
  await genotypeInput.fill('aa cchmcchm DD EE GG PP spsp rere')
-  await expect(farbschlagSelect).toHaveValue('')
+  await expect(page.locator('.color-picker-trigger')).toHaveText(/— keine Angabe —/)
 })

 test('Unbekannter Genotyp leert das Farbschlag-Dropdown (Unbekannt-Fall)', async ({ page }) => {
  skipUnlessMock()
  await page.goto('/rennmaeuse/neu')

-  const farbschlagSelect = page
-    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.colorVariety}")`) })
-    .locator('select')
  const genotypeInput = page
    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.genotype}")`) })
    .locator('input')

-  await farbschlagSelect.selectOption({ label: 'Blau' })
-  await expect(farbschlagSelect).not.toHaveValue('')
+  await page.locator('.color-picker-trigger').click()
+  await page.locator('.color-picker-option', { hasText: 'Blau' }).click()
+  await expect(page.locator('.color-picker-trigger')).toHaveText(/Blau/)

  // aa CC dd EE gg pp → Unbekannter Farbschlag (nicht im Katalog) → Select leert sich.
  await genotypeInput.fill('aa CC dd EE gg pp spsp rere')
-  await expect(farbschlagSelect).toHaveValue('')
+  await expect(page.locator('.color-picker-trigger')).toHaveText(/— keine Angabe —/)
 })
--- a/gerbil-manager-web/e2e/mock-api.ts
+++ b/gerbil-manager-web/e2e/mock-api.ts
@@ -45,12 +45,20 @@ function matchesFilter(row: Row, filter: string | null): boolean {

 function applyOrderBy(rows: Row[], orderBy: string | null): Row[] {
  if (!orderBy) return rows
-  const [field, dir] = orderBy.split(/\s+/)
-  const sign = dir?.toLowerCase() === 'desc' ? -1 : 1
+  // Mirror Gridify's comma-separated multi-key ordering (e.g. "name,id"): each key
+  // is "<field> [desc]"; later keys act as tiebreakers.
+  const keys = orderBy.split(',').map((part) => {
+    const [field, dir] = part.trim().split(/\s+/)
+    return { field, sign: dir?.toLowerCase() === 'desc' ? -1 : 1 }
+  })
  return [...rows].sort((a, b) => {
-    const av = String(a[field] ?? '')
-    const bv = String(b[field] ?? '')
-    return av < bv ? -sign : av > bv ? sign : 0
+    for (const { field, sign } of keys) {
+      const av = String(a[field] ?? '')
+      const bv = String(b[field] ?? '')
+      if (av < bv) return -sign
+      if (av > bv) return sign
+    }
+    return 0
  })
 }

--- a/gerbil-manager-web/e2e/mock-data.ts
+++ b/gerbil-manager-web/e2e/mock-data.ts
@@ -136,8 +136,10 @@ export function seedDb(): MockDb {
    { ...gerbil('max', 'Max', 'male', '2015-08-08', null, 'cv-agouti'), isResident: false, originBreeder: 'Zoohandlung Meier' },
    // Statistik: Verstorbene + Abgegebene für Verluste/Bestandskurve
    { ...gerbil('willi', 'Willi', 'male', '2019-09-09', null, 'cv-schwarz'), status: 'Deceased', dateOfDeath: '2022-04-04' },
-    { ...gerbil('rosa', 'Rosa', 'female', '2020-02-02', null, 'cv-gold'), status: 'Deceased', dateOfDeath: '2023-08-15' },
    { ...gerbil('pauli', 'Pauli', 'male', '2023-05-01', null, 'cv-himalaya'), status: 'GivenAway', goHomeDate: '2023-07-15', receiverContactId: 'con-huber' },
+    { ...gerbil('rosa', 'Rosa', 'female', '2020-02-02', null, 'cv-gold'), status: 'Deceased', dateOfDeath: '2023-08-15' },
+    { ...gerbil('pauli-breeder', 'Pauli Breeder', 'male', '2023-05-01', null, 'cv-himalaya'), status: 'GivenAway', goHomeDate: '2023-07-15', receiverContactId: 'con-meier' },
+    { ...gerbil('pauli-neither', 'Pauli Neither', 'male', '2023-05-01', null, 'cv-himalaya'), status: 'GivenAway', goHomeDate: '2023-07-15', receiverContactId: 'con-neither' },
    // ABGABE: zwei Tiere zur Abgabe im Quarantänebecken (enc-leer ist leer, kein Konflikt
    // mit dem Becken-Belegungstest der Großbecken-2-Tiere-Assertion).
    {
@@ -189,9 +191,10 @@ export function seedDb(): MockDb {

  // FEAT-13: contactInfo (Freitext) wurde durch strukturierte Felder ersetzt.
  const contacts: Contact[] = [
-    { id: 'con-meier', name: 'Zoohandlung Meier', email: 'meier@example.de', phone: null, address: 'Hauptstraße 1, 12345 Musterstadt', notes: null },
-    { id: 'con-huber', name: 'Familie Huber', email: null, phone: '0151 2345678', address: null, notes: null },
-    { id: 'con-frei', name: 'Züchterin Frei', email: null, phone: null, address: null, notes: 'unverknüpft' },
+    { id: 'con-meier', name: 'Zoohandlung Meier', email: 'meier@example.de', phone: null, address: 'Hauptstraße 1, 12345 Musterstadt', notes: null, isBreeder: true, isReceiver: true },
+    { id: 'con-huber', name: 'Familie Huber', email: null, phone: '0151 2345678', address: null, notes: null, isBreeder: false, isReceiver: true },
+    { id: 'con-frei', name: 'Züchterin Frei', email: null, phone: null, address: null, notes: 'unverknüpft', isBreeder: true, isReceiver: false },
+    { id: 'con-neither', name: 'Weder Noch', email: null, phone: null, address: null, notes: 'weder züchter noch abnehmer', isBreeder: false, isReceiver: false },
  ]

  const colorVarieties = [
--- a/gerbil-manager-web/e2e/status-model.spec.ts
+++ b/gerbil-manager-web/e2e/status-model.spec.ts
@@ -46,7 +46,7 @@ test('Neues Tier anlegen mit Status Liebhaber', async ({ page }) => {
  const name = uniqueName('Tier')
  await page.goto('/rennmaeuse/neu')
  await page.getByLabel(`${t.fields.name} *`).fill(name)
-  await page.getByLabel(`${t.fields.gender} *`).selectOption({ label: t.genderLabels.male })
+  await page.getByRole('button', { name: t.genderLabels.male, exact: false }).click()
  const statusField = page.locator('label.field', {
    has: page.locator(`span:text-is("${t.fields.status}")`),
  })
@@ -54,3 +54,41 @@ test('Neues Tier anlegen mit Status Liebhaber', async ({ page }) => {
  await page.getByRole('button', { name: t.form.save, exact: true }).click()
  await expect(page.getByRole('heading', { name })).toBeVisible()
 })
+
+test('Gehege-Feld Sichtbarkeit bei verstorbenen/abgegebenen Tieren', async ({ page }) => {
+  skipUnlessMock()
+
+  // 1. Krümel ist Breeding, hat Gehege 'Großbecken'
+  await page.goto('/rennmaeuse/kruemel')
+  await expect(page.locator('dt', { hasText: t.fields.enclosure })).toBeVisible()
+  await expect(page.locator('dd', { hasText: 'Großbecken' })).toBeVisible()
+
+  // 2. Willi ist Deceased (Verstorben) -> Gehege ausgeblendet
+  await page.goto('/rennmaeuse/willi')
+  await expect(page.locator('dt', { hasText: t.fields.enclosure })).toBeHidden()
+
+  // 3. Pauli ist GivenAway (Abgegeben), Abnehmer ist Familie Huber (isReceiver=true) -> Gehege eingeblendet
+  await page.goto('/rennmaeuse/pauli')
+  await expect(page.locator('dt', { hasText: t.fields.enclosure })).toBeVisible()
+
+  // 4. Pauli Breeder ist GivenAway, Abnehmer ist Zoohandlung Meier (isBreeder=true) -> Gehege eingeblendet
+  await page.goto('/rennmaeuse/pauli-breeder')
+  await expect(page.locator('dt', { hasText: t.fields.enclosure })).toBeVisible()
+
+  // 5. Pauli Neither ist GivenAway, Abnehmer ist Weder Noch (weder Züchter noch Abnehmer) -> Gehege ausgeblendet
+  await page.goto('/rennmaeuse/pauli-neither')
+  await expect(page.locator('dt', { hasText: t.fields.enclosure })).toBeHidden()
+})
+
+test('Verstorbene Tiere: Abnehmer und Inserat-Button ausgeblendet', async ({ page }) => {
+  skipUnlessMock()
+
+  // Willi ist verstorben -> "Abnehmer"-Zeile ausgeblendet und "Zur Abgabe stellen"-Button ausgeblendet
+  await page.goto('/rennmaeuse/willi')
+  await expect(page.locator('dt', { hasText: t.fields.receiver })).toBeHidden()
+  await expect(page.getByRole('button', { name: de.pages.abgabe.markAction })).toBeHidden()
+
+  // Krümel lebt -> "Zur Abgabe stellen"-Button vorhanden
+  await page.goto('/rennmaeuse/kruemel')
+  await expect(page.getByRole('button', { name: de.pages.abgabe.markAction })).toBeVisible()
+})
--- a/gerbil-manager-web/e2e/tiere.spec.ts
+++ b/gerbil-manager-web/e2e/tiere.spec.ts
@@ -52,7 +52,7 @@ test('Neue Rennmaus anlegen — Validierung + Erfolg', async ({ page }) => {

  const name = uniqueName('Testmaus')
  await page.getByLabel(`${t.fields.name} *`).fill(name)
-  await page.getByLabel(`${t.fields.gender} *`).selectOption({ label: t.genderLabels.female })
+  await page.getByRole('button', { name: t.genderLabels.female, exact: false }).click()
  await page.getByRole('button', { name: t.form.save, exact: true }).click()

  // Erfolg: Detailseite des neuen Tieres
@@ -174,7 +174,7 @@ test('Detailseite: Würfe als Elternteil zeigt verlinkten Wurf (ANIMAL-LITTERS)'
  // Fridolin ist fatherId von 'w-kruemel' (Wurf K)
  await page.goto('/rennmaeuse/fridolin')
  await expect(page.getByRole('heading', { name: 'Fridolin' })).toBeVisible()
-  await expect(page.getByText(t.detail.parentLittersTitle)).toBeVisible()
+  await expect(page.getByRole('heading', { name: t.detail.parentLittersTitle })).toBeVisible()
  // Wurf K als Link sichtbar
  const litterLink = page.getByRole('link', { name: /Wurf K/ })
  await expect(litterLink).toBeVisible()
@@ -189,6 +189,6 @@ test('Detailseite: Keine Würfe als Elternteil zeigt Leer-Zustand (ANIMAL-LITTER
  skipUnlessMock()
  // Krümel hat keine Würfe als Elternteil (nur als Kind von w-kruemel)
  await page.goto('/rennmaeuse/kruemel')
-  await expect(page.getByText(t.detail.parentLittersTitle)).toBeVisible()
+  await expect(page.getByRole('heading', { name: t.detail.parentLittersTitle })).toBeVisible()
  await expect(page.getByText(t.detail.parentLittersEmpty)).toBeVisible()
 })
--- a/gerbil-manager-web/e2e/wuerfe.spec.ts
+++ b/gerbil-manager-web/e2e/wuerfe.spec.ts
@@ -47,7 +47,7 @@ test('Jungtier erfassen — Formular ist mit Wurf + Geburtsdatum vorbelegt', asy

  const name = uniqueName('Jungtier')
  await page.getByLabel(`${tg.fields.name} *`).fill(name)
-  await page.getByLabel(`${tg.fields.gender} *`).selectOption({ label: tg.genderLabels.male })
+  await page.getByRole('button', { name: tg.genderLabels.male, exact: false }).click()
  await page.getByRole('button', { name: tg.form.save, exact: true }).click()
  await expect(page.getByRole('heading', { name })).toBeVisible()

--- a/gerbil-manager-web/src/App.tsx
+++ b/gerbil-manager-web/src/App.tsx
@@ -18,6 +18,7 @@ import NotFoundPage from './pages/NotFoundPage'
 import StammbaumPage from './pages/StammbaumPage'
 import StatistikPage from './pages/StatistikPage'
 import HilfePage from './pages/HilfePage'
+import FarbkatalogPage from './pages/FarbkatalogPage'
 import VertraegeListPage from './pages/VertraegeListPage'
 import VertragWizardPage from './pages/VertragWizardPage'
 import EinstellungenPage from './pages/EinstellungenPage'
@@ -70,6 +71,7 @@ export default function App() {
          <Route path="abgabe" element={<AbgabePage />} />
          <Route path="statistik" element={<StatistikPage />} />
          <Route path="hilfe" element={<HilfePage />} />
+          <Route path="farbkatalog" element={<FarbkatalogPage />} />
          {/* FEAT-13: Abgabeverträge + Einstellungen (Zuchtprofil) */}
          <Route path="vertraege">
            <Route index element={<VertraegeListPage />} />
--- a/gerbil-manager-web/src/api/contacts.ts
+++ b/gerbil-manager-web/src/api/contacts.ts
@@ -10,6 +10,8 @@ export interface CreateContact {
  phone?: string | null
  address?: string | null
  notes?: string | null
+  isBreeder?: boolean
+  isReceiver?: boolean
 }

 /** Payload for PUT /contacts/{id}. */
--- a/gerbil-manager-web/src/api/lookups.ts
+++ b/gerbil-manager-web/src/api/lookups.ts
@@ -22,13 +22,15 @@ export async function listEnclosures(): Promise<Enclosure[]> {
 }

 export async function listContacts(): Promise<Contact[]> {
-  const paged = await api.get<Paged<Contact>>(`${resources.contacts}${ALL}`)
+  const paged = await api.get<Paged<Contact>>(
+    `${resources.contacts}${toQueryString({ page: 1, pageSize: 10000, orderBy: 'name' })}`
+  )
  return paged.items
 }

 export async function listLitters(): Promise<Litter[]> {
  const paged = await api.get<Paged<Litter>>(
-    `${resources.litters}${toQueryString({ page: 1, pageSize: 1000, orderBy: 'date desc' })}`,
+    `${resources.litters}${toQueryString({ page: 1, pageSize: 10000, orderBy: 'date desc' })}`,
  )
  return paged.items
 }
--- a/gerbil-manager-web/src/api/types.ts
+++ b/gerbil-manager-web/src/api/types.ts
@@ -60,6 +60,8 @@ export interface Gerbil {
  isDeaf?: boolean | null
  /** STAMMBAUM-AVATAR: URL des Profilfotos (erstes Foto nach sortOrder); null = kein Foto. API-relativ oder absolut. */
  profilePhotoUrl?: string | null
+  spottingType?: string | null
+  isCastrated?: boolean
 }

 /** Payload for POST /gerbils. */
@@ -83,6 +85,8 @@ export interface CreateGerbil {
  characterNote?: string | null
  isResident?: boolean
  isDeaf?: boolean | null
+  spottingType?: string | null
+  isCastrated?: boolean
 }

 /** Payload for PUT /gerbils/{id} (all optional / partial update). */
@@ -108,6 +112,8 @@ export interface Contact {
  phone: string | null
  address: string | null
  notes: string | null
+  isBreeder: boolean
+  isReceiver: boolean
 }

 export interface Litter {
--- a/gerbil-manager-web/src/components/AppShell.tsx
+++ b/gerbil-manager-web/src/components/AppShell.tsx
@@ -31,6 +31,7 @@ const SECONDARY: NavItem[] = [
  { to: '/einstellungen', label: de.nav.settings, icon: '⚙️' },
  // WEB-0b: CMS-Verwaltung der öffentlichen Webseite
  { to: '/webseite', label: de.nav.website, icon: '🌐' },
+  { to: '/farbkatalog', label: de.nav.colorCatalog, icon: '🎨' },
  { to: '/hilfe', label: de.nav.help, icon: '❓' },
 ]

--- a/gerbil-manager-web/src/components/ColorVarietyPicker.css
+++ b/gerbil-manager-web/src/components/ColorVarietyPicker.css
@@ -0,0 +1,156 @@
+.color-picker-container {
+  position: relative;
+  width: 100%;
+}
+
+.color-picker-trigger {
+  font: inherit;
+  padding: 0.5rem 0.6rem;
+  border: 1px solid var(--color-border);
+  border-radius: 0.5rem;
+  background: var(--color-surface);
+  color: var(--color-text);
+  min-height: 44px;
+  width: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  cursor: pointer;
+  text-align: left;
+  transition: border-color 0.15s ease, box-shadow 0.15s ease;
+}
+
+.color-picker-trigger:hover {
+  border-color: var(--color-accent);
+}
+
+.color-picker-trigger:focus {
+  outline: none;
+  border-color: var(--color-accent);
+  box-shadow: 0 0 0 2px var(--color-accent-soft);
+}
+
+.color-picker-trigger-content {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.color-picker-trigger-name {
+  font-weight: 500;
+}
+
+.color-picker-placeholder {
+  color: var(--color-text-muted);
+}
+
+.color-picker-caret {
+  color: var(--color-text-muted);
+  font-size: 0.8rem;
+  transition: transform 0.15s ease;
+}
+
+.color-picker-container[aria-expanded="true"] .color-picker-caret {
+  transform: rotate(180deg);
+}
+
+.color-picker-dropdown {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  right: 0;
+  z-index: 1000;
+  margin-top: 0.25rem;
+  background: var(--color-surface);
+  border: 1px solid var(--color-border);
+  border-radius: 0.5rem;
+  box-shadow: 0 4px 16px rgba(59, 48, 38, 0.12);
+  display: flex;
+  flex-direction: column;
+  max-height: 320px;
+  overflow: hidden;
+}
+
+.color-picker-search-wrapper {
+  padding: 0.5rem;
+  background: var(--color-bg);
+  border-bottom: 1px solid var(--color-border);
+}
+
+.color-picker-search {
+  width: 100%;
+  padding: 0.4rem 0.6rem;
+  border: 1px solid var(--color-border);
+  border-radius: 0.375rem;
+  background: var(--color-surface);
+  color: var(--color-text);
+  font: inherit;
+  font-size: 0.9rem;
+  min-height: 36px;
+}
+
+.color-picker-search:focus {
+  outline: none;
+  border-color: var(--color-accent);
+}
+
+.color-picker-options {
+  overflow-y: auto;
+  padding: 0.25rem;
+  display: flex;
+  flex-direction: column;
+  gap: 1px;
+}
+
+.color-picker-option {
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  width: 100%;
+  padding: 0.4rem 0.6rem;
+  border: none;
+  background: transparent;
+  color: var(--color-text);
+  font: inherit;
+  font-size: 0.95rem;
+  cursor: pointer;
+  border-radius: 0.375rem;
+  text-align: left;
+  min-height: 40px;
+  transition: background-color 0.15s ease, color 0.15s ease;
+}
+
+.color-picker-option:hover {
+  background: var(--color-accent-soft);
+}
+
+.color-picker-option--selected {
+  background: var(--color-accent-soft);
+  color: var(--color-accent);
+  font-weight: 600;
+}
+
+.color-picker-option-image-wrapper {
+  width: 24px;
+  height: 24px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+}
+
+.color-picker-option-image-placeholder {
+  width: 24px;
+  height: 24px;
+  border-radius: 0.25rem;
+  background: var(--color-bg);
+  border: 1px solid var(--color-border);
+  flex-shrink: 0;
+}
+
+.color-picker-no-results {
+  padding: 1rem;
+  text-align: center;
+  color: var(--color-text-muted);
+  font-size: 0.9rem;
+}
--- a/gerbil-manager-web/src/components/ColorVarietyPicker.tsx
+++ b/gerbil-manager-web/src/components/ColorVarietyPicker.tsx
@@ -0,0 +1,116 @@
+import { useState, useEffect, useRef } from 'react'
+import { de } from '../strings/de'
+import { type ColorVariety } from '../api/types'
+import FarbschlagImage from './FarbschlagImage'
+import './ColorVarietyPicker.css'
+
+interface ColorVarietyPickerProps {
+  value: string
+  onChange: (id: string) => void
+  colorVarieties: ColorVariety[]
+}
+
+export default function ColorVarietyPicker({ value, onChange, colorVarieties }: ColorVarietyPickerProps) {
+  const [isOpen, setIsOpen] = useState(false)
+  const [search, setSearch] = useState('')
+  const containerRef = useRef<HTMLDivElement>(null)
+
+  // Close dropdown when clicking outside of it
+  useEffect(() => {
+    function handleClickOutside(event: MouseEvent) {
+      if (containerRef.current && !containerRef.current.contains(event.target as Node)) {
+        setIsOpen(false)
+      }
+    }
+    document.addEventListener('mousedown', handleClickOutside)
+    return () => document.removeEventListener('mousedown', handleClickOutside)
+  }, [])
+
+  // Find currently selected variety
+  const selectedVariety = colorVarieties.find((cv) => cv.id === value)
+
+  // Filter varieties by search query
+  const filtered = colorVarieties.filter((cv) =>
+    cv.name.toLowerCase().includes(search.toLowerCase())
+  )
+
+  const handleSelect = (id: string) => {
+    onChange(id)
+    setIsOpen(false)
+    setSearch('')
+  }
+
+  return (
+    <div className="color-picker-container" ref={containerRef}>
+      <button
+        type="button"
+        className="color-picker-trigger"
+        onClick={() => setIsOpen((prev) => !prev)}
+        aria-haspopup="listbox"
+        aria-expanded={isOpen}
+      >
+        <span className="color-picker-trigger-content">
+          {selectedVariety ? (
+            <>
+              <FarbschlagImage name={selectedVariety.name} size={24} />
+              <span className="color-picker-trigger-name">{selectedVariety.name}</span>
+            </>
+          ) : (
+            <span className="color-picker-placeholder">{de.pages.gerbils.form.none}</span>
+          )}
+        </span>
+        <span className="color-picker-caret">▾</span>
+      </button>
+
+      {isOpen && (
+        <div className="color-picker-dropdown">
+          <div className="color-picker-search-wrapper">
+            <input
+              type="text"
+              className="color-picker-search"
+              placeholder="Farbschlag suchen..."
+              value={search}
+              onChange={(e) => setSearch(e.target.value)}
+              autoFocus
+            />
+          </div>
+          <div className="color-picker-options" role="listbox">
+            <button
+              type="button"
+              className={`color-picker-option ${!value ? 'color-picker-option--selected' : ''}`}
+              onClick={() => handleSelect('')}
+              role="option"
+              aria-selected={!value}
+            >
+              <div className="color-picker-option-image-placeholder" />
+              <span className="color-picker-option-name">{de.pages.gerbils.form.none}</span>
+            </button>
+            {filtered.map((cv) => {
+              const isSelected = cv.id === value
+              return (
+                <button
+                  key={cv.id}
+                  type="button"
+                  className={`color-picker-option ${isSelected ? 'color-picker-option--selected' : ''}`}
+                  onClick={() => handleSelect(cv.id)}
+                  role="option"
+                  aria-selected={isSelected}
+                >
+                  <div className="color-picker-option-image-wrapper">
+                    <FarbschlagImage name={cv.name} size={24} />
+                  </div>
+                  <span className="color-picker-option-name">{cv.name}</span>
+                </button>
+              )
+            })}
+            {filtered.length === 0 && (
+              <div className="color-picker-no-results">
+                Keine Farbschläge gefunden
+              </div>
+            )}
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}
--- a/gerbil-manager-web/src/components/charakterbogen.css
+++ b/gerbil-manager-web/src/components/charakterbogen.css
@@ -65,3 +65,54 @@
  color: #d97706;
  white-space: nowrap;
 }
+
+/* Collapsible details styling for the Charakter & Eigenschaften section */
+.charakter-details {
+  border: 1px solid var(--color-border, #ddd);
+  border-radius: 8px;
+  background: var(--color-surface, #fff);
+  margin-top: 1.5rem;
+  margin-bottom: 1.5rem;
+  overflow: hidden;
+}
+
+.charakter-summary {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 1rem 1.25rem;
+  cursor: pointer;
+  list-style: none;
+  user-select: none;
+  background: var(--color-accent-soft, #f9f9f9);
+  transition: background 0.2s ease;
+}
+
+.charakter-summary::-webkit-details-marker {
+  display: none;
+}
+
+.charakter-summary:hover {
+  background: var(--color-hover, #f5f5f5);
+}
+
+.charakter-summary h3 {
+  margin: 0;
+  font-size: 1.25rem;
+  color: var(--color-text, #333);
+}
+
+.charakter-chevron {
+  font-size: 1.1rem;
+  transition: transform 0.2s ease;
+  flex-shrink: 0;
+}
+
+.charakter-details[open] > .charakter-summary .charakter-chevron {
+  transform: rotate(180deg);
+}
+
+.charakter-body {
+  padding: 1.25rem;
+  border-top: 1px solid var(--color-border, #ddd);
+}
--- a/gerbil-manager-web/src/hooks/useInfiniteList.ts
+++ b/gerbil-manager-web/src/hooks/useInfiniteList.ts
@@ -73,10 +73,15 @@ export function useInfiniteList<T>(
    error: null,
  })

+  // Tracks an in-flight request synchronously so loadMore() can't advance (and
+  // re-fetch/append) the same page twice if the scroll sentinel fires repeatedly.
+  const inFlightRef = useRef(false)
+
  useEffect(() => {
    let cancelled = false
    const page = req.page
    const id = `${req.nonce}:${req.key}#${page}`
+    inFlightRef.current = true
    loaderRef
      .current(page)
      .then((res) => {
@@ -92,6 +97,9 @@ export function useInfiniteList<T>(
      .catch((err) => {
        if (!cancelled) setResolved((prev) => ({ ...prev, reqId: id, error: messageFor(err) }))
      })
+      .finally(() => {
+        if (!cancelled) inFlightRef.current = false
+      })
    return () => {
      cancelled = true
    }
@@ -109,7 +117,10 @@ export function useInfiniteList<T>(
  const error = inFlight ? null : sameQuery ? resolved.error : null
  const hasMore = sameQuery && !inFlight && items.length < total

-  const loadMore = useCallback(() => setReq((r) => ({ ...r, page: r.page + 1 })), [])
+  const loadMore = useCallback(() => {
+    if (inFlightRef.current) return
+    setReq((r) => ({ ...r, page: r.page + 1 }))
+  }, [])
  const reload = useCallback(() => setReq((r) => ({ key: r.key, page: 1, nonce: r.nonce + 1 })), [])

  return { items, total, loading, loadingMore, error, hasMore, loadMore, reload }
--- a/gerbil-manager-web/src/index.css
+++ b/gerbil-manager-web/src/index.css
@@ -796,10 +796,149 @@ textarea {
 }

 /* Profilfoto im Detail-Kopf */
-.profile-photo {
-  width: 56px;
-  height: 56px;
-  border-radius: 50%;
-  object-fit: cover;
-  border: 2px solid var(--color-border);
+.profile-header-summary {
+  display: flex;
+  align-items: center;
+  gap: 1.5rem;
+}
+
+.profile-header-info {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}
+
+.profile-header-badges {
+  display: flex;
+  gap: 0.5rem;
+  flex-wrap: wrap;
+  align-items: center;
+}
+
+.profile-photo {
+  width: 200px;
+  height: 200px;
+  border-radius: 1.25rem;
+  object-fit: cover;
+  border: 4px solid var(--color-border);
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
+  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.profile-photo:hover {
+  transform: translateY(-4px) scale(1.02);
+  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
+}
+
+.form-row-2col {
+  display: flex;
+  gap: 1rem;
+  align-items: flex-end;
+  margin-bottom: 0.5rem;
+}
+.form-row-2col > :first-child {
+  flex: 2;
+  min-width: 0;
+}
+.form-row-2col > :last-child {
+  flex: 1;
+  min-width: 0;
+  min-height: 44px;
+  display: flex;
+  align-items: center;
+}
+
+.form-group-box {
+  border: 1px solid var(--color-border);
+  border-radius: 0.6rem;
+  padding: 1.25rem;
+  background: var(--color-surface);
+  box-shadow: inset 0 1px 3px rgba(59, 48, 38, 0.02);
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+  margin: 0.5rem 0 1.25rem 0;
+  max-width: 32rem; /* match form max-width */
+}
+
+.form-group-box__title {
+  font-size: 0.75rem;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+  font-weight: 700;
+  color: var(--color-accent);
+  margin-bottom: 0.25rem;
+  border-bottom: 1px dashed var(--color-border);
+  padding-bottom: 0.5rem;
+}
+
+/* Gender Segmented Control / Radio Buttons */
+.gender-selector-group {
+  display: flex;
+  gap: 0.5rem;
+  margin-top: 0.25rem;
+  max-width: 32rem;
+}
+
+.gender-btn {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5rem;
+  padding: 0.75rem 1rem;
+  border-radius: 0.5rem;
+  border: 1px solid var(--color-border);
+  background: var(--color-surface);
+  color: var(--color-text);
+  font-family: inherit;
+  font-size: 0.95rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s ease-in-out;
+  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
+}
+
+.gender-btn:hover {
+  background: var(--color-bg);
+  border-color: var(--color-text-muted);
+}
+
+.gender-btn__icon {
+  font-size: 1.15rem;
+  line-height: 1;
+}
+
+/* Active styles */
+.gender-btn--male.is-active {
+  border-color: #3b82f6;
+  background: #eff6ff;
+  color: #1d4ed8;
+  box-shadow: 0 0 0 1px #3b82f6;
+}
+
+.gender-btn--male.is-active .gender-btn__icon {
+  color: #2563eb;
+}
+
+.gender-btn--female.is-active {
+  border-color: #ec4899;
+  background: #fdf2f8;
+  color: #be185d;
+  box-shadow: 0 0 0 1px #ec4899;
+}
+
+.gender-btn--female.is-active .gender-btn__icon {
+  color: #db2777;
+}
+
+.gender-btn--unknown.is-active {
+  border-color: #6b7280;
+  background: #f3f4f6;
+  color: #374151;
+  box-shadow: 0 0 0 1px #6b7280;
+}
+
+.gender-btn--unknown.is-active .gender-btn__icon {
+  color: #4b5563;
 }
--- a/gerbil-manager-web/src/pages/FarbkatalogPage.tsx
+++ b/gerbil-manager-web/src/pages/FarbkatalogPage.tsx
@@ -0,0 +1,81 @@
+import { useState } from 'react'
+import { de } from '../strings/de'
+import { CATALOG, farbschlagImageUrl } from '../genetics'
+import './farbkatalog.css'
+
+export default function FarbkatalogPage() {
+  const [search, setSearch] = useState('')
+
+  // Filter color catalog by query
+  const filtered = CATALOG.filter((variety) => {
+    const q = search.toLowerCase()
+    return (
+      variety.name.toLowerCase().includes(q) ||
+      (variety.english && variety.english.toLowerCase().includes(q)) ||
+      variety.canonicalGenotype.toLowerCase().includes(q)
+    );
+  })
+
+  return (
+    <section className="page farbkatalog-page">
+      <header className="page-head">
+        <div>
+          <h2>{de.pages.farbkatalog.title}</h2>
+          <p className="muted">
+            {de.pages.farbkatalog.subtitle.replace('{count}', String(CATALOG.length))}
+          </p>
+        </div>
+      </header>
+
+      <div className="farbkatalog-search-bar">
+        <input
+          type="search"
+          className="input"
+          placeholder={de.pages.farbkatalog.searchPlaceholder}
+          value={search}
+          onChange={(e) => setSearch(e.target.value)}
+        />
+      </div>
+
+      <div className="farbkatalog-grid">
+        {filtered.map((variety) => {
+          const imgUrl = farbschlagImageUrl(variety.image)
+          return (
+            <div key={variety.name} className="farbkatalog-card">
+              <div className="farbkatalog-card-media">
+                {imgUrl ? (
+                  <img
+                    src={imgUrl}
+                    alt={variety.name}
+                    className="farbkatalog-card-img"
+                    loading="lazy"
+                  />
+                ) : (
+                  <div className="farbkatalog-card-media-placeholder">
+                    <span>{variety.name.substring(0, 2).toUpperCase()}</span>
+                  </div>
+                )}
+              </div>
+              <div className="farbkatalog-card-body">
+                <h4 className="farbkatalog-card-title">{variety.name}</h4>
+                {variety.english && (
+                  <span className="farbkatalog-card-subtitle">{variety.english}</span>
+                )}
+                <div className="farbkatalog-card-genotype">
+                  <code>{variety.canonicalGenotype}</code>
+                </div>
+              </div>
+            </div>
+          )
+        })}
+
+        {filtered.length === 0 && (
+          <div className="farbkatalog-empty">
+            <span className="farbkatalog-empty-icon">🔍</span>
+            <p>{de.pages.farbkatalog.empty}</p>
+          </div>
+        )}
+      </div>
+    </section>
+  )
+}
--- a/gerbil-manager-web/src/pages/GerbilDetailPage.tsx
+++ b/gerbil-manager-web/src/pages/GerbilDetailPage.tsx
@@ -49,6 +49,7 @@ export default function GerbilDetailPage() {
  const [charTraits, setCharTraits] = useState<string[]>([])
  const [charNote, setCharNote] = useState('')
  const [charInit, setCharInit] = useState<string | null>(null)
+  const [isCharacterExpanded, setIsCharacterExpanded] = useState(true)
  const saveCharacter = useMutation(() =>
    updateGerbil(id, { characterTraits: charTraits, characterNote: charNote.trim() || null }),
  )
@@ -78,6 +79,12 @@ export default function GerbilDetailPage() {
    [litters.data],
  )

+  const receiverContact = useMemo(() => {
+    const receiverId = gerbil.data?.receiverContactId
+    if (!receiverId || !contacts.data) return null
+    return contacts.data.find((c) => c.id === receiverId) ?? null
+  }, [gerbil.data?.receiverContactId, contacts.data])
+
  if (gerbil.loading) return <p className="muted">{de.common.loading}</p>
  if (gerbil.error || !gerbil.data) {
    return (
@@ -91,6 +98,11 @@ export default function GerbilDetailPage() {
  }

  const g = gerbil.data
+  const showEnclosure = g.status !== 'Deceased' && (
+    g.status !== 'GivenAway' ||
+    (receiverContact ? (receiverContact.isBreeder || receiverContact.isReceiver) : false)
+  )
+
  const geno = describeGenotype(g.genotype)
  const lookup = (map: Map<string, string>, key: string | null) => (key ? (map.get(key) ?? '—') : '—')
  const storedColorName = g.colorVarietyId ? (colorName.get(g.colorVarietyId) ?? null) : null
@@ -100,20 +112,25 @@ export default function GerbilDetailPage() {
    setCharInit(g.id)
    setCharTraits(g.characterTraits ?? [])
    setCharNote(g.characterNote ?? '')
+    setIsCharacterExpanded(g.status !== 'Deceased' && g.status !== 'GivenAway')
  }

  return (
    <section className="page">
      <header className="page-head">
-        <div>
+        <div className="profile-header-summary">
          <GerbilProfilePhoto gerbilId={g.id} />
-          <h2>{g.name || de.pages.gerbils.nameless}</h2>
-          <span className={`badge badge--${g.status.toLowerCase()}`}>{statusLabel(g.status)}</span>
-          {g.isResident === false && (
-            <span className="badge badge--external" title={de.pages.gerbils.externalTitle}>
-              {de.pages.gerbils.externalBadge}
-            </span>
-          )}
+          <div className="profile-header-info">
+            <h2>{g.name || de.pages.gerbils.nameless}</h2>
+            <div className="profile-header-badges">
+              <span className={`badge badge--${g.status.toLowerCase()}`}>{statusLabel(g.status)}</span>
+              {g.isResident === false && (
+                <span className="badge badge--external" title={de.pages.gerbils.externalTitle}>
+                  {de.pages.gerbils.externalBadge}
+                </span>
+              )}
+            </div>
+          </div>
        </div>
        <div className="head-actions">
          <Link to={`/rennmaeuse/${g.id}/bearbeiten`} className="btn btn--primary">
@@ -122,7 +139,7 @@ export default function GerbilDetailPage() {
          <Link to={`/genetik?parent=${g.id}`} className="btn">
            {t.detail.testMating}
          </Link>
-          {g.status !== 'ForSale' && (
+          {g.status !== 'ForSale' && g.status !== 'Deceased' && (
            <button
              type="button"
              className="btn"
@@ -152,7 +169,15 @@ export default function GerbilDetailPage() {

      <h3>{t.detail.masterData}</h3>
      <dl className="def-list">
-        <Row label={t.fields.gender} value={genderLabel(g.gender)} />
+        <Row
+          label={t.fields.gender}
+          value={
+            <>
+              {genderLabel(g.gender)}
+              {g.isCastrated && <span style={{ marginLeft: '0.5rem', opacity: 0.8 }}>(Kastrat)</span>}
+            </>
+          }
+        />
        <Row label={t.fields.status} value={statusLabel(g.status)} />
        <Row label={t.fields.dateOfBirth} value={formatDate(g.dateOfBirth)} />
        {g.status === 'Deceased' && (
@@ -177,7 +202,18 @@ export default function GerbilDetailPage() {
            )
          }
        />
-        <Row label={t.fields.enclosure} value={lookup(enclosureName, g.enclosureId)} />
+        {g.spottingType && (
+          <Row
+            label={t.fields.spottingType}
+            value={
+              de.pages.gerbils.spottingTypes[g.spottingType as keyof typeof de.pages.gerbils.spottingTypes] ||
+              g.spottingType
+            }
+          />
+        )}
+        {showEnclosure && (
+          <Row label={t.fields.enclosure} value={lookup(enclosureName, g.enclosureId)} />
+        )}
        <Row
          label={t.fields.litter}
          value={
@@ -194,7 +230,9 @@ export default function GerbilDetailPage() {
              : (g.originBreeder || null)
          }
        />
-        <Row label={t.fields.receiver} value={lookup(contactName, g.receiverContactId)} />
+        {g.status !== 'Deceased' && (
+          <Row label={t.fields.receiver} value={lookup(contactName, g.receiverContactId)} />
+        )}
        <Row label={t.fields.notes} value={g.notes || null} />
      </dl>

@@ -209,7 +247,7 @@ export default function GerbilDetailPage() {
                {geno.farbschlag}
                {storedColorName &&
                  geno.farbschlag !== de.genetics.unknownFarbschlag &&
-                  storedColorName !== geno.farbschlag && (
+                  storedColorName !== geno.farbschlag.replace(' Schecke', '').replace(' Rex', '') && (
                    <small className="mismatch-hint"> ⚠ {t.detail.farbschlagMismatch}</small>
                  )}
              </>
@@ -220,27 +258,38 @@ export default function GerbilDetailPage() {
        <p className="muted">{t.detail.genotypeNotSet}</p>
      )}

-      <h3>{de.character.sectionTitle}</h3>
-      <Charakterbogen
-        traits={charTraits}
-        note={charNote}
-        onTraitsChange={setCharTraits}
-        onNoteChange={setCharNote}
-      />
-      <div className="form-actions">
-        <button
-          type="button"
-          className="btn btn--primary"
-          disabled={saveCharacter.pending}
-          onClick={async () => {
-            const r = await saveCharacter.run()
-            if (r.ok) gerbil.reload()
-          }}
-        >
-          {saveCharacter.pending ? t.form.saving : de.character.save}
-        </button>
-        {saveCharacter.error && <span className="error-text">{saveCharacter.error}</span>}
-      </div>
+      <details
+        className="charakter-details"
+        open={isCharacterExpanded}
+        onToggle={(e) => setIsCharacterExpanded(e.currentTarget.open)}
+      >
+        <summary className="charakter-summary">
+          <h3>{de.character.sectionTitle}</h3>
+          <span className="charakter-chevron" aria-hidden="true">▾</span>
+        </summary>
+        <div className="charakter-body">
+          <Charakterbogen
+            traits={charTraits}
+            note={charNote}
+            onTraitsChange={setCharTraits}
+            onNoteChange={setCharNote}
+          />
+          <div className="form-actions" style={{ marginTop: '1rem' }}>
+            <button
+              type="button"
+              className="btn btn--primary"
+              disabled={saveCharacter.pending}
+              onClick={async () => {
+                const r = await saveCharacter.run()
+                if (r.ok) gerbil.reload()
+              }}
+            >
+              {saveCharacter.pending ? t.form.saving : de.character.save}
+            </button>
+            {saveCharacter.error && <span className="error-text">{saveCharacter.error}</span>}
+          </div>
+        </div>
+      </details>

      <h3>{t.detail.parentLittersTitle}</h3>
      {parentLitters.loading && <p className="muted">{de.common.loading}</p>}
--- a/gerbil-manager-web/src/pages/GerbilFormPage.tsx
+++ b/gerbil-manager-web/src/pages/GerbilFormPage.tsx
@@ -3,12 +3,12 @@ import { Link, useNavigate, useParams, useSearchParams } from 'react-router-dom'
 import { de } from '../strings/de'
 import { createGerbil, getGerbil, updateGerbil } from '../api/gerbils'
 import { listColorVarieties, listContacts, listEnclosures, listLitters } from '../api/lookups'
-import { GENDERS, SELECTABLE_STATUSES, type CreateGerbil, type Gender, type GerbilStatus } from '../api/types'
+import { SELECTABLE_STATUSES, type CreateGerbil, type Gender, type GerbilStatus } from '../api/types'
 import { useApi, useMutation } from '../hooks/useApi'
 import { genderLabel, statusLabel } from '../format/labels'
 import { fromDisplayString, genotypeToFarbschlag, UNKNOWN_FARBSCHLAG } from '../genetics'
-import FarbschlagImage from '../components/FarbschlagImage'
 import NameSuggestPanel from '../components/NameSuggestPanel'
+import ColorVarietyPicker from '../components/ColorVarietyPicker'
 import '../components/NameSuggestPanel.css'

 interface FormState {
@@ -29,11 +29,14 @@ interface FormState {
  notes: string
  isResident: boolean
  isDeaf: boolean | null
+  spottingType: string
+  isSchecke: boolean
+  isCastrated: boolean
 }

 const EMPTY: FormState = {
  name: '',
-  gender: '',
+  gender: 'unknown',
  status: 'Breeding',
  dateOfBirth: '',
  dateOfDeath: '',
@@ -49,6 +52,9 @@ const EMPTY: FormState = {
  notes: '',
  isResident: true,
  isDeaf: null,
+  spottingType: '',
+  isSchecke: false,
+  isCastrated: false,
 }

 function formFromGerbil(g: {
@@ -69,7 +75,11 @@ function formFromGerbil(g: {
  notes: string | null
  isResident?: boolean | null
  isDeaf?: boolean | null
+  spottingType?: string | null
+  isCastrated?: boolean | null
 }): FormState {
+  const hasSp = g.genotype?.includes('Sp') || false
+  const hasSpottingType = Boolean(g.spottingType)
  return {
    name: g.name,
    gender: g.gender,
@@ -88,6 +98,9 @@ function formFromGerbil(g: {
    notes: g.notes ?? '',
    isResident: g.isResident ?? true,
    isDeaf: g.isDeaf ?? null,
+    spottingType: g.spottingType ?? '',
+    isSchecke: hasSp || hasSpottingType,
+    isCastrated: g.isCastrated ?? false,
  }
 }

@@ -154,7 +167,9 @@ export default function GerbilFormPage() {
  function validate(): boolean {
    const next: Partial<Record<keyof FormState, string>> = {}
    if (form.name.trim() === '') next.name = t.validation.nameRequired
-    if (form.gender === '') next.gender = t.validation.genderRequired
+    if (form.gender === 'unknown' || form.gender === '') {
+      next.gender = t.validation.genderRequired
+    }
    if (!isGenotypeValid(form.genotype)) next.genotype = t.validation.genotypeInvalid
    if (form.dateOfBirth && form.dateOfDeath && form.dateOfDeath < form.dateOfBirth) {
      next.dateOfDeath = t.validation.dateOfDeathBeforeBirth
@@ -184,6 +199,8 @@ export default function GerbilFormPage() {
      notes: nn(form.notes),
      isResident: form.isResident,
      isDeaf: form.isDeaf,
+      spottingType: nn(form.spottingType),
+      isCastrated: form.isCastrated,
    }
    const result = await mutation.run(body)
    if (result.ok) navigate(`/rennmaeuse/${result.value.id}`)
@@ -192,9 +209,6 @@ export default function GerbilFormPage() {

  if (isEdit && existing.loading) return <p className="muted">{de.common.loading}</p>

-  const selectedColorName =
-    (colorVarieties.data ?? []).find((cv) => cv.id === form.colorVarietyId)?.name ?? null
-
  return (
    <section className="page">
      <h2>{isEdit ? t.form.editTitle : t.form.createTitle}</h2>
@@ -229,22 +243,176 @@ export default function GerbilFormPage() {
        )}

        <label className="field">
-          <span>{t.fields.gender} *</span>
-          <select
-            value={form.gender}
-            onChange={(e) => set('gender', e.target.value as Gender | '')}
-            aria-invalid={Boolean(errors.gender)}
-          >
+          <span>{t.fields.origin}</span>
+          <select value={form.originContactId} onChange={(e) => set('originContactId', e.target.value)}>
            <option value="">{t.form.none}</option>
-            {GENDERS.map((g) => (
-              <option key={g} value={g}>
-                {genderLabel(g)}
+            {(contacts.data ?? []).filter((c) => c.isBreeder || c.id === form.originContactId).map((c) => (
+              <option key={c.id} value={c.id}>
+                {c.name}
              </option>
            ))}
          </select>
-          {errors.gender && <small className="error-text">{errors.gender}</small>}
        </label>

+        <label className="field">
+          <span>{t.fields.originBreeder}</span>
+          <input
+            className="input"
+            value={form.originBreeder}
+            placeholder="z. B. Zucht der Kleinen Chaoten"
+            onChange={(e) => set('originBreeder', e.target.value)}
+          />
+        </label>
+
+        <div className="field">
+          <span>{t.fields.gender} *</span>
+          <div className="gender-selector-group">
+            {(['male', 'female'] as const).map((g) => {
+              const active = form.gender === g
+              let icon = '♂'
+              let colorClass = 'male'
+              if (g === 'female') {
+                icon = '♀'
+                colorClass = 'female'
+              }
+              return (
+                <button
+                  key={g}
+                  type="button"
+                  className={`gender-btn gender-btn--${colorClass} ${active ? 'is-active' : ''}`}
+                  onClick={() => set('gender', active ? 'unknown' : g)}
+                >
+                  <span className="gender-btn__icon">{icon}</span>
+                  <span className="gender-btn__label">{genderLabel(g)}</span>
+                </button>
+              )
+            })}
+          </div>
+          {errors.gender && <small className="error-text">{errors.gender}</small>}
+        </div>
+
+        <label className="field field--check">
+          <span>{t.fields.isCastrated}</span>
+          <input
+            type="checkbox"
+            checked={form.isCastrated}
+            onChange={(e) => set('isCastrated', e.target.checked)}
+          />
+        </label>
+
+        <label className="field">
+          <span>{t.fields.dateOfBirth}</span>
+          <input
+            type="date"
+            className="input"
+            value={form.dateOfBirth}
+            onChange={(e) => set('dateOfBirth', e.target.value)}
+          />
+        </label>
+
+        <div className="form-group-box">
+          <div className="form-group-box__title">{de.pages.gerbils.form.colorSectionTitle}</div>
+
+          <div className="form-row-2col">
+            <div className="field">
+              <span>{t.fields.colorVariety}</span>
+              <ColorVarietyPicker
+                value={form.colorVarietyId}
+                colorVarieties={colorVarieties.data ?? []}
+                onChange={(newId) => {
+                  set('colorVarietyId', newId)
+                  if (newId) {
+                    const variety = (colorVarieties.data ?? []).find((cv) => cv.id === newId)
+                    if (variety?.canonicalGenotype) set('genotype', variety.canonicalGenotype)
+                  }
+                }}
+              />
+            </div>
+
+            <label className="field field--check">
+              <span>{de.pages.gerbils.form.isScheckeLabel}</span>
+              <input
+                type="checkbox"
+                checked={form.isSchecke}
+                onChange={(e) => {
+                  const checked = e.target.checked
+                  set('isSchecke', checked)
+                  if (!checked) {
+                    set('spottingType', '')
+                  }
+                }}
+              />
+            </label>
+          </div>
+
+          {form.isSchecke && (
+            <label className="field">
+              <span>{t.fields.spottingType}</span>
+              <select
+                value={form.spottingType}
+                onChange={(e) => set('spottingType', e.target.value)}
+              >
+                <option value="">{de.pages.gerbils.spottingTypes.none}</option>
+                {Object.keys(de.pages.gerbils.spottingTypes)
+                  .filter((key) => key !== 'none')
+                  .map((key) => (
+                    <option key={key} value={key}>
+                      {de.pages.gerbils.spottingTypes[key as keyof typeof de.pages.gerbils.spottingTypes]}
+                    </option>
+                  ))}
+              </select>
+            </label>
+          )}
+
+          <label className="field">
+            <span>{t.fields.genotype}</span>
+            <input
+              className="input"
+              value={form.genotype}
+              placeholder="Aa CC Dd EE GG Pp Spsp rere"
+              onChange={(e) => {
+                const val = e.target.value
+                set('genotype', val)
+                if (val.includes('Sp')) {
+                  set('isSchecke', true)
+                }
+                if (val.trim() !== '' && isGenotypeValid(val)) {
+                  try {
+                    const name = genotypeToFarbschlag(fromDisplayString(val))
+                    if (name === UNKNOWN_FARBSCHLAG) {
+                      set('colorVarietyId', '')
+                    } else {
+                      const match = (colorVarieties.data ?? []).find((cv) => cv.name === name)
+                      set('colorVarietyId', match?.id ?? '')
+                    }
+                  } catch {
+                    // invalid while typing — leave colorVarietyId unchanged
+                  }
+                }
+              }}
+              aria-invalid={Boolean(errors.genotype)}
+            />
+            <small className={errors.genotype ? 'error-text' : 'muted'}>
+              {errors.genotype ?? t.form.genotypeHint}
+            </small>
+          </label>
+
+          <label className="field">
+            <span>{t.fields.isDeaf}</span>
+            <select
+              value={form.isDeaf === null ? '' : String(form.isDeaf)}
+              onChange={(e) => {
+                const v = e.target.value
+                set('isDeaf', v === '' ? null : v === 'true')
+              }}
+            >
+              <option value="">{t.form.isDeafUnknown}</option>
+              <option value="true">{t.form.isDeafYes}</option>
+              <option value="false">{t.form.isDeafNo}</option>
+            </select>
+          </label>
+        </div>
+
        {/* STATUS-MODEL: Deceased/GivenAway are derived by the backend — show as read-only with hint */}
        {form.status === 'Deceased' || form.status === 'GivenAway' ? (
          <div className="field">
@@ -269,16 +437,6 @@ export default function GerbilFormPage() {
          </label>
        )}

-        <label className="field">
-          <span>{t.fields.dateOfBirth}</span>
-          <input
-            type="date"
-            className="input"
-            value={form.dateOfBirth}
-            onChange={(e) => set('dateOfBirth', e.target.value)}
-          />
-        </label>
-
        {form.status === 'Deceased' && (
          <>
            <label className="field">
@@ -315,31 +473,6 @@ export default function GerbilFormPage() {
          </label>
        )}

-        <label className="field">
-          <span>{t.fields.colorVariety}</span>
-          <span className="farbschlag-value">
-            <select
-              value={form.colorVarietyId}
-              onChange={(e) => {
-                const newId = e.target.value
-                set('colorVarietyId', newId)
-                if (newId) {
-                  const variety = (colorVarieties.data ?? []).find((cv) => cv.id === newId)
-                  if (variety?.canonicalGenotype) set('genotype', variety.canonicalGenotype)
-                }
-              }}
-            >
-              <option value="">{t.form.none}</option>
-              {(colorVarieties.data ?? []).map((cv) => (
-                <option key={cv.id} value={cv.id}>
-                  {cv.name}
-                </option>
-              ))}
-            </select>
-            {selectedColorName && <FarbschlagImage name={selectedColorName} size={36} />}
-          </span>
-        </label>
-
        <label className="field">
          <span>{t.fields.enclosure}</span>
          <select value={form.enclosureId} onChange={(e) => set('enclosureId', e.target.value)}>
@@ -364,27 +497,7 @@ export default function GerbilFormPage() {
          </select>
        </label>

-        <label className="field">
-          <span>{t.fields.origin}</span>
-          <select value={form.originContactId} onChange={(e) => set('originContactId', e.target.value)}>
-            <option value="">{t.form.none}</option>
-            {(contacts.data ?? []).map((c) => (
-              <option key={c.id} value={c.id}>
-                {c.name}
-              </option>
-            ))}
-          </select>
-        </label>

-        <label className="field">
-          <span>{t.fields.originBreeder}</span>
-          <input
-            className="input"
-            value={form.originBreeder}
-            placeholder="z. B. Zucht der Kleinen Chaoten"
-            onChange={(e) => set('originBreeder', e.target.value)}
-          />
-        </label>

        <label className="field">
          <span>{t.fields.receiver}</span>
@@ -393,7 +506,7 @@ export default function GerbilFormPage() {
            onChange={(e) => set('receiverContactId', e.target.value)}
          >
            <option value="">{t.form.none}</option>
-            {(contacts.data ?? []).map((c) => (
+            {(contacts.data ?? []).filter((c) => c.isReceiver || c.id === form.receiverContactId).map((c) => (
              <option key={c.id} value={c.id}>
                {c.name}
              </option>
@@ -401,55 +514,16 @@ export default function GerbilFormPage() {
          </select>
        </label>

-        <label className="field">
-          <span>{t.fields.genotype}</span>
-          <input
-            className="input"
-            value={form.genotype}
-            placeholder="Aa CC Dd EE GG Pp Spsp rere"
-            onChange={(e) => {
-              const val = e.target.value
-              set('genotype', val)
-              if (val.trim() !== '' && isGenotypeValid(val)) {
-                try {
-                  const name = genotypeToFarbschlag(fromDisplayString(val))
-                  if (name === UNKNOWN_FARBSCHLAG) {
-                    set('colorVarietyId', '')
-                  } else {
-                    const match = (colorVarieties.data ?? []).find((cv) => cv.name === name)
-                    set('colorVarietyId', match?.id ?? '')
-                  }
-                } catch {
-                  // invalid while typing — leave colorVarietyId unchanged
-                }
-              }
-            }}
-            aria-invalid={Boolean(errors.genotype)}
-          />
-          <small className={errors.genotype ? 'error-text' : 'muted'}>
-            {errors.genotype ?? t.form.genotypeHint}
-          </small>
-        </label>
+
+
+

        <label className="field">
          <span>{t.fields.notes}</span>
          <textarea value={form.notes} onChange={(e) => set('notes', e.target.value)} />
        </label>

-        <label className="field">
-          <span>{t.fields.isDeaf}</span>
-          <select
-            value={form.isDeaf === null ? '' : String(form.isDeaf)}
-            onChange={(e) => {
-              const v = e.target.value
-              set('isDeaf', v === '' ? null : v === 'true')
-            }}
-          >
-            <option value="">{t.form.isDeafUnknown}</option>
-            <option value="true">{t.form.isDeafYes}</option>
-            <option value="false">{t.form.isDeafNo}</option>
-          </select>
-        </label>
+

        <label className="field field--check" title={t.form.isResidentHint}>
          <span>{t.form.isResidentLabel}</span>
--- a/gerbil-manager-web/src/pages/GerbilsPage.tsx
+++ b/gerbil-manager-web/src/pages/GerbilsPage.tsx
--- a/gerbil-manager-web/src/pages/KontaktDetailPage.tsx
+++ b/gerbil-manager-web/src/pages/KontaktDetailPage.tsx
@@ -96,6 +96,17 @@ export default function KontaktDetailPage() {
      {deleteError && <div className="alert alert--error">{deleteError}</div>}

      <dl className="def-list">
+        <div className="def-row">
+          <dt>Rolle</dt>
+          <dd>
+            {[
+              c.isBreeder ? 'Züchter' : null,
+              c.isReceiver ? 'Abnehmer' : null,
+            ]
+              .filter(Boolean)
+              .join(' · ') || '—'}
+          </dd>
+        </div>
        <div className="def-row">
          <dt>{t.fields.email}</dt>
          <dd>{c.email ?? '—'}</dd>
--- a/gerbil-manager-web/src/pages/KontaktFormPage.tsx
+++ b/gerbil-manager-web/src/pages/KontaktFormPage.tsx
@@ -12,9 +12,11 @@ interface FormState {
  phone: string
  address: string
  notes: string
+  isBreeder: boolean
+  isReceiver: boolean
 }

-const EMPTY: FormState = { name: '', email: '', phone: '', address: '', notes: '' }
+const EMPTY: FormState = { name: '', email: '', phone: '', address: '', notes: '', isBreeder: false, isReceiver: true }

 /** "" -> null, sonst der Wert. */
 const nn = (s: string): string | null => (s.trim() === '' ? null : s)
@@ -40,6 +42,8 @@ export default function KontaktFormPage() {
      phone: existing.data.phone ?? '',
      address: existing.data.address ?? '',
      notes: existing.data.notes ?? '',
+      isBreeder: existing.data.isBreeder,
+      isReceiver: existing.data.isReceiver,
    })
  }

@@ -63,6 +67,8 @@ export default function KontaktFormPage() {
      phone: nn(form.phone),
      address: nn(form.address),
      notes: nn(form.notes),
+      isBreeder: form.isBreeder,
+      isReceiver: form.isReceiver,
    })
    if (result.ok) navigate(`/kontakte/${result.value.id}`)
    // On failure mutation.error drives the inline alert; run() never throws.
@@ -116,6 +122,24 @@ export default function KontaktFormPage() {
          <small className="muted">{t.form.addressHint}</small>
        </label>

+        <label className="field field--check">
+          <span>{t.fields.isBreeder}</span>
+          <input
+            type="checkbox"
+            checked={form.isBreeder}
+            onChange={(e) => set('isBreeder', e.target.checked)}
+          />
+        </label>
+
+        <label className="field field--check">
+          <span>{t.fields.isReceiver}</span>
+          <input
+            type="checkbox"
+            checked={form.isReceiver}
+            onChange={(e) => set('isReceiver', e.target.checked)}
+          />
+        </label>
+
        <label className="field">
          <span>{t.fields.notes}</span>
          <textarea value={form.notes} onChange={(e) => set('notes', e.target.value)} />
--- a/gerbil-manager-web/src/pages/KontaktePage.tsx
+++ b/gerbil-manager-web/src/pages/KontaktePage.tsx
@@ -73,7 +73,39 @@ export default function KontaktePage() {
          {items.map((c) => (
            <li key={c.id}>
              <Link to={`/kontakte/${c.id}`} className="gerbil-card">
-                <span className="gerbil-card__name">{c.name}</span>
+                <span className="gerbil-card__name">
+                  {c.name}
+                  {c.isBreeder && (
+                    <span
+                      style={{
+                        marginLeft: '0.5rem',
+                        fontSize: '0.75rem',
+                        padding: '0.1rem 0.4rem',
+                        borderRadius: '4px',
+                        background: '#e0f2fe',
+                        color: '#0369a1',
+                        fontWeight: 'normal',
+                      }}
+                    >
+                      Züchter
+                    </span>
+                  )}
+                  {c.isReceiver && (
+                    <span
+                      style={{
+                        marginLeft: '0.5rem',
+                        fontSize: '0.75rem',
+                        padding: '0.1rem 0.4rem',
+                        borderRadius: '4px',
+                        background: '#fef3c7',
+                        color: '#b45309',
+                        fontWeight: 'normal',
+                      }}
+                    >
+                      Abnehmer
+                    </span>
+                  )}
+                </span>
                <span className="gerbil-card__meta">
                  {[c.phone, c.email].filter(Boolean).join(' · ')}
                </span>
--- a/gerbil-manager-web/src/pages/VertragWizardPage.tsx
+++ b/gerbil-manager-web/src/pages/VertragWizardPage.tsx
@@ -47,7 +47,7 @@ export default function VertragWizardPage() {
  const [newContact, setNewContact] = useState({ name: '', email: '', phone: '', address: '' })

  const contacts = useApi(() => listContactsPaged({ page: 1, pageSize: 1000, orderBy: 'name' }), [])
-  const contactItems = useMemo(() => contacts.data?.items ?? [], [contacts.data])
+  const contactItems = useMemo(() => (contacts.data?.items ?? []).filter((c) => c.isReceiver), [contacts.data])
  const filteredContacts = useMemo(() => {
    const needle = contactSearch.trim().toLowerCase()
    return needle === ''
@@ -62,6 +62,8 @@ export default function VertragWizardPage() {
      email: newContact.email.trim() || null,
      phone: newContact.phone.trim() || null,
      address: newContact.address.trim() || null,
+      isReceiver: true,
+      isBreeder: false,
    }),
  )
  async function onCreateContact() {
--- a/gerbil-manager-web/src/pages/WuerfeListPage.tsx
+++ b/gerbil-manager-web/src/pages/WuerfeListPage.tsx
@@ -3,7 +3,7 @@ import { Link } from 'react-router-dom'
 import { de } from '../strings/de'
 import { listLitters } from '../api/litters'
 import { listGerbils } from '../api/gerbils'
-import { andFilter, condition, type GridifyQuery } from '../api/gridify'
+import { andFilter, condition, escapeGridifyValue, type GridifyQuery } from '../api/gridify'
 import type { Litter } from '../api/types'
 import { useApi } from '../hooks/useApi'
 import { formatDate } from '../format/labels'
@@ -17,7 +17,7 @@ const SORT_ORDER_BY: Record<SortKey, string> = { dateDesc: 'date desc', dateAsc:

 function yearOptions(): number[] {
  const current = new Date().getFullYear()
-  return Array.from({ length: 16 }, (_, i) => current - i)
+  return Array.from({ length: 30 }, (_, i) => current - i)
 }

 interface Pair {
@@ -47,6 +47,7 @@ function derivePairs(litters: Litter[]): Pair[] {
 export default function WuerfeListPage() {
  const t = de.pages.litters
  const [tab, setTab] = useState<Tab>('litters')
+  const [search, setSearch] = useState('')
  const [year, setYear] = useState('')
  const [sort, setSort] = useState<SortKey>('dateDesc')
  const [page, setPage] = useState(1)
@@ -62,6 +63,7 @@ export default function WuerfeListPage() {

  // Litters tab (paged, filtered).
  const filter = andFilter(
+    search.trim() && `(name=*${escapeGridifyValue(search)}/i|notes=*${escapeGridifyValue(search)}/i|litterLetter=*${escapeGridifyValue(search)}/i)`,
    year && condition({ field: 'date', op: '>=', value: `${year}-01-01` }),
    year && condition({ field: 'date', op: '<=', value: `${year}-12-31` }),
  )
@@ -76,6 +78,16 @@ export default function WuerfeListPage() {
  )
  const pairs = useMemo(() => derivePairs(allLitters.data?.items ?? []), [allLitters.data])

+  // Search-enabled pairs list (client-side search by parent name)
+  const filteredPairs = useMemo(() => {
+    if (!search.trim()) return pairs
+    const term = search.toLowerCase()
+    return pairs.filter((p) =>
+      parentName(p.fatherId).toLowerCase().includes(term) ||
+      parentName(p.motherId).toLowerCase().includes(term)
+    )
+  }, [pairs, search, nameById])
+
  const total = litters.data?.totalCount ?? 0
  const totalPages = Math.max(1, Math.ceil(total / PAGE_SIZE))
  const items = litters.data?.items ?? []
@@ -113,8 +125,26 @@ export default function WuerfeListPage() {
      {tab === 'litters' && (
        <>
          <FilterPanel
-            activeCount={year !== '' ? 1 : 0}
-            onReset={() => { setYear(''); setSort('dateDesc'); setPage(1) }}
+            searchField={
+              <input
+                type="search"
+                className="input"
+                placeholder={t.searchPlaceholder}
+                value={search}
+                onChange={(e) => {
+                  setSearch(e.target.value)
+                  setPage(1)
+                }}
+                aria-label="Wurf suchen"
+              />
+            }
+            activeCount={(year !== '' ? 1 : 0) + (search.trim() !== '' ? 1 : 0)}
+            onReset={() => {
+              setSearch('')
+              setYear('')
+              setSort('dateDesc')
+              setPage(1)
+            }}
          >
            <label className="field">
              <span>{t.filterYear}</span>
@@ -202,11 +232,31 @@ export default function WuerfeListPage() {

      {tab === 'pairs' && (
        <>
+          <div style={{ marginBottom: '1.5rem', display: 'flex', gap: '1rem', alignItems: 'center' }}>
+            <input
+              type="search"
+              className="input"
+              style={{ maxWidth: '320px' }}
+              placeholder="Elternteil suchen …"
+              value={search}
+              onChange={(e) => setSearch(e.target.value)}
+              aria-label="Elternteil suchen"
+            />
+            {search && (
+              <button
+                type="button"
+                className="btn btn--secondary btn--sm"
+                onClick={() => setSearch('')}
+              >
+                {de.pages.gerbils.filters.reset}
+              </button>
+            )}
+          </div>
          {allLitters.loading && <p className="muted">{de.common.loading}</p>}
-          {!allLitters.loading && pairs.length === 0 && <p className="muted">{t.pairs.empty}</p>}
-          {pairs.length > 0 && (
+          {!allLitters.loading && filteredPairs.length === 0 && <p className="muted">{t.pairs.empty}</p>}
+          {filteredPairs.length > 0 && (
            <ul className="card-list">
-              {pairs.map((p) => (
+              {filteredPairs.map((p) => (
                <li key={`${p.fatherId}|${p.motherId}`} className="gerbil-card">
                  <span className="gerbil-card__name">
                    {parentName(p.fatherId)} × {parentName(p.motherId)}
--- a/gerbil-manager-web/src/pages/farbkatalog.css
+++ b/gerbil-manager-web/src/pages/farbkatalog.css
@@ -0,0 +1,142 @@
+.farbkatalog-page {
+  display: flex;
+  flex-direction: column;
+}
+
+.farbkatalog-search-bar {
+  margin: 1.5rem 0;
+  max-width: 36rem;
+  width: 100%;
+}
+
+.farbkatalog-search-bar .input {
+  box-shadow: 0 2px 8px rgba(59, 48, 38, 0.04);
+  transition: border-color 0.15s ease, box-shadow 0.15s ease;
+}
+
+.farbkatalog-search-bar .input:focus {
+  border-color: var(--color-accent);
+  box-shadow: 0 0 0 3px var(--color-accent-soft);
+}
+
+.farbkatalog-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
+  gap: 1rem;
+  margin-top: 0.5rem;
+}
+
+.farbkatalog-card {
+  display: flex;
+  flex-direction: column;
+  background: var(--color-surface);
+  border: 1px solid var(--color-border);
+  border-radius: 0.75rem;
+  overflow: hidden;
+  box-shadow: 0 2px 6px rgba(59, 48, 38, 0.04);
+  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
+}
+
+.farbkatalog-card:hover {
+  transform: translateY(-3px);
+  box-shadow: 0 8px 20px rgba(59, 48, 38, 0.08);
+  border-color: var(--color-accent);
+}
+
+.farbkatalog-card-media {
+  position: relative;
+  width: 100%;
+  aspect-ratio: 16/11;
+  background: var(--color-bg);
+  overflow: hidden;
+  border-bottom: 1px solid var(--color-border);
+}
+
+.farbkatalog-card-img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  transition: transform 0.3s ease;
+}
+
+.farbkatalog-card:hover .farbschlag-card-img,
+.farbkatalog-card:hover .farbkatalog-card-img {
+  transform: scale(1.05);
+}
+
+.farbkatalog-card-media-placeholder {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(135deg, var(--color-accent-soft) 0%, #ecd0b9 100%);
+  color: var(--color-accent);
+  font-weight: 700;
+  font-size: 1.5rem;
+  letter-spacing: 0.1em;
+}
+
+.farbkatalog-card-body {
+  padding: 0.85rem 1rem;
+  display: flex;
+  flex-direction: column;
+  flex-grow: 1;
+}
+
+.farbkatalog-card-title {
+  margin: 0;
+  font-size: 1.05rem;
+  font-weight: 600;
+  color: var(--color-text);
+  line-height: 1.25;
+}
+
+.farbkatalog-card-subtitle {
+  font-size: 0.75rem;
+  color: var(--color-text-muted);
+  margin-top: 0.15rem;
+  display: block;
+}
+
+.farbkatalog-card-genotype {
+  margin-top: auto;
+  padding-top: 0.75rem;
+}
+
+.farbkatalog-card-genotype code {
+  font-family: monospace;
+  font-size: 0.72rem;
+  background: var(--color-bg);
+  color: var(--color-accent);
+  padding: 0.2rem 0.4rem;
+  border-radius: 0.25rem;
+  display: inline-block;
+  max-width: 100%;
+  overflow-x: auto;
+}
+
+.farbkatalog-empty {
+  grid-column: 1 / -1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 3rem 1.5rem;
+  background: var(--color-surface);
+  border: 1px dashed var(--color-border);
+  border-radius: 0.75rem;
+  text-align: center;
+  color: var(--color-text-muted);
+}
+
+.farbkatalog-empty-icon {
+  font-size: 2rem;
+  margin-bottom: 0.75rem;
+}
+
+@media (min-width: 768px) {
+  .farbkatalog-grid {
+    gap: 1.25rem;
+  }
+}
--- a/gerbil-manager-web/src/pages/gerbils.css
+++ b/gerbil-manager-web/src/pages/gerbils.css
@@ -66,6 +66,42 @@
  padding: 0.75rem 0;
 }

+/* Back-to-top: floating round button, above the mobile action bar. */
+.rmf-backtotop {
+  position: fixed;
+  right: 1rem;
+  bottom: calc(4.75rem + env(safe-area-inset-bottom));
+  z-index: 25;
+  width: 44px;
+  height: 44px;
+  border-radius: 50%;
+  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, var(--color-border));
+  background: var(--color-surface);
+  color: var(--color-accent);
+  font-size: 1.25rem;
+  font-weight: 800;
+  line-height: 1;
+  cursor: pointer;
+  box-shadow: 0 2px 6px rgba(61, 46, 35, 0.12), 0 8px 22px rgba(61, 46, 35, 0.12);
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  animation: gerbilRowIn 0.2s cubic-bezier(0.22, 1, 0.36, 1);
+  transition: transform 0.12s cubic-bezier(0.22, 1, 0.36, 1), background 0.15s;
+}
+.rmf-backtotop:hover {
+  background: var(--color-accent-soft);
+}
+.rmf-backtotop:active {
+  transform: scale(0.92);
+}
+@media (min-width: 768px) {
+  /* Desktop has a sidebar, not a bottom bar — sit at the normal bottom inset. */
+  .rmf-backtotop {
+    bottom: 1.5rem;
+  }
+}
+
 /* ---------- DESIGN (Rennmaus Filter): sticky header that blends out on scroll ----------
   The whole header (title + search + filter pills + bar) sticks to the top; the list
   scrolls underneath. The title row collapses once a 1px sentinel above the header
--- a/gerbil-manager-web/src/strings/de.ts
+++ b/gerbil-manager-web/src/strings/de.ts
@@ -34,6 +34,7 @@ export const de = {
    help: 'Hilfe',
    // WEB-0b (Kevin): CMS-Verwaltung der öffentlichen Webseite
    website: 'Webseite',
+    colorCatalog: 'Farbkatalog',
  },
  pages: {
    gerbils: {
@@ -46,6 +47,8 @@ export const de = {
      searchPlaceholder: 'Name suchen …',
      // DESIGN (Rennmaus Filter): „geb." Präfix vor dem Geburtsdatum auf der Karte.
      born: 'geb.',
+      // Zurück-nach-oben-Button (erscheint beim Scrollen der langen Liste).
+      backToTop: 'Nach oben',
      // BESTAND-FILTER: Kennzeichnung externer (nicht zum eigenen Bestand gehörender) Tiere
      externalBadge: 'Extern',
      externalTitle: 'Externes Tier — gehört nicht zum eigenen Bestand, nur für den Stammbaum erfasst.',
@@ -88,7 +91,9 @@ export const de = {
        isDeaf: 'Gehörlos',
        receiver: 'Abnehmer',
        genotype: 'Genotyp',
+        isCastrated: 'Kastrat',
        notes: 'Notizen',
+        spottingType: 'Scheckungsart',
      },
      // Detailseite
      detail: {
@@ -128,6 +133,8 @@ export const de = {
        isDeafUnknown: 'Unbekannt',
        isDeafYes: 'Ja',
        isDeafNo: 'Nein',
+        isScheckeLabel: 'Ist eine Schecke',
+        colorSectionTitle: 'Farbe & Genetik',
        // STATUS-MODEL: Hinweis für abgeleitete Statuswerte
        statusDerivedHint: {
          Deceased: 'Wird automatisch gesetzt wenn Todesdatum erfasst.',
@@ -158,6 +165,17 @@ export const de = {
        GivenAway: 'Abgegeben',
        ForSale: 'Zur Abgabe',
      },
+      spottingTypes: {
+        none: '— keine Scheckungsart —',
+        Punktschecke: 'Punktschecke',
+        Kragenschecke: 'Kragenschecke',
+        Ansatzschecke: 'Ansatzschecke',
+        Starkschecke: 'Starkschecke',
+        Superschecke: 'Superschecke',
+        'DP (Dark Patch)': 'DP (Dark Patch)',
+        WP: 'Minimalschecke (WP)',
+        wp: 'WP',
+      },
    },
    // ── FEAT-3 (Kevin): Zucht — Würfe + Zuchtpaare ──
    litters: {
@@ -170,6 +188,7 @@ export const de = {
      newButton: 'Neuer Wurf',
      empty: 'Keine Würfe gefunden.',
      countLabel: 'Würfe',
+      searchPlaceholder: 'Wurf suchen …',
      filterYear: 'Jahr',
      allYears: 'Alle Jahre',
      sort: {
@@ -239,6 +258,12 @@ export const de = {
      title: 'Züchter',
      comingSoon: 'Die Züchter-Verwaltung entsteht gerade. Bald kannst du hier Züchter erfassen.',
    },
+    farbkatalog: {
+      title: 'Farbkatalog',
+      subtitle: 'Übersicht aller {count} registrierten Farbschläge und deren genetischen Formeln.',
+      searchPlaceholder: 'Nach Name, englischem Begriff oder Genen suchen (z. B. \'Zobel\', \'dd\', \'ee\', \'pp\')...',
+      empty: 'Keine Farbschläge gefunden, die Ihrer Suche entsprechen.',
+    },
    notFound: {
      title: 'Seite nicht gefunden',
      message: 'Die angeforderte Seite existiert nicht.',
@@ -570,6 +595,8 @@ export const de = {
        phone: 'Telefon',
        address: 'Adresse',
        notes: 'Notizen',
+        isBreeder: 'Ist Züchter (Zucht)',
+        isReceiver: 'Ist Abnehmer (Käufer)',
      },
      linked: {
        title: 'Verknüpfte Tiere',