Shravan - Create a landing page for Animal Management module

src/components/KitchenandInventory/AnimalManagement/AnimalManagement.jsx

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+import React, { useState, useEffect } from 'react';
+import styles from './AnimalManagement.module.css';
+
+// --- Hook to detect dark mode from the app's theme ---
+function useDarkMode() {
+  const [darkMode, setDarkMode] = useState(false);
+
+  useEffect(() => {
+    const checkDarkMode = () => {
+      const isDark =
+        document.body.classList.contains('dark-mode') ||
+        document.body.getAttribute('data-theme') === 'dark' ||
+        document.documentElement.classList.contains('dark-mode') ||
+        window.matchMedia('(prefers-color-scheme: dark)').matches;
+      setDarkMode(isDark);
+    };
+
+    checkDarkMode();
+
+    // Watch for class changes on body (theme toggles)
+    const observer = new MutationObserver(checkDarkMode);
+    observer.observe(document.body, { attributes: true, attributeFilter: ['class', 'data-theme'] });
+    observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class'] });
+
+    // Watch for system theme changes
+    const mediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
+    mediaQuery.addEventListener('change', checkDarkMode);
+
+    return () => {
+      observer.disconnect();
+      mediaQuery.removeEventListener('change', checkDarkMode);
+    };
+  }, []);
+
+  return darkMode;
+}
+
+// --- Mock Data ---
+const dashboardStats = [
+  { id: 1, label: 'Total Animals', value: 148, icon: '🐄', color: 'green' },
+  { id: 2, label: 'Pending Animal Orders', value: 12, icon: '📋', color: 'amber' },
+  { id: 3, label: 'Feed Orders', value: 7, icon: '🌾', color: 'brown' },
+  { id: 4, label: 'Upcoming Culling Tasks', value: 3, icon: '📅', color: 'red' },
+];
+
+const sectionTabs = [
+  'Animal Inventory',
+  'Animal Orders',
+  'Feed Inventory',
+  'Feed Orders',
+  'Culling Events',
+];
+
+const animals = [
+  {
+    id: 1,
+    name: 'Holstein Cows',
+    type: 'Holstein Friesian',
+    purpose: 'Dairy',
+    count: 24,
+    location: 'Barn A - North Pasture',
+    age: '2–5 years',
+    health: 'Healthy',
+  },
+  {
+    id: 2,
+    name: 'Leghorn Chickens',
+    type: 'White Leghorn',
+    purpose: 'Egg Laying',
+    count: 60,
+    location: 'Coop 1',
+    age: '6–18 months',
+    health: 'Healthy',
+  },
+  {
+    id: 3,
+    name: 'Boer Goats',
+    type: 'Boer',
+    purpose: 'Meat',
+    count: 18,
+    location: 'Pen B - South Field',
+    age: '1–3 years',
+    health: 'Attention',
+  },
+  {
+    id: 4,
+    name: 'Berkshire Pigs',
+    type: 'Berkshire',
+    purpose: 'Meat',
+    count: 15,
+    location: 'Sty 2',
+    age: '8–14 months',
+    health: 'Healthy',
+  },
+  {
+    id: 5,
+    name: 'Pekin Ducks',
+    type: 'Pekin',
+    purpose: 'Egg Laying / Meat',
+    count: 20,
+    location: 'Pond Enclosure',
+    age: '4–12 months',
+    health: 'Healthy',
+  },
+  {
+    id: 6,
+    name: 'Merino Sheep',
+    type: 'Merino',
+    purpose: 'Wool / Meat',
+    count: 11,
+    location: 'Barn B - East Pasture',
+    age: '1–4 years',
+    health: 'Critical',
+  },
+];
+
+// --- Sub-components ---
+
+function DashboardCard({ stat, darkMode }) {
+  return (
+    <div
+      className={`${styles.dashboardCard} ${styles[`card_${stat.color}`]} ${
+        darkMode ? styles.dark : ''
+      }`}
+    >
+      <div className={styles.cardIcon}>{stat.icon}</div>
+      <div className={styles.cardContent}>
+        <span className={styles.cardValue}>{stat.value}</span>
+        <span className={styles.cardLabel}>{stat.label}</span>
+      </div>
+    </div>
+  );
+}
+
+function HealthTag({ status, darkMode }) {
+  const statusClass = status.toLowerCase().replace(' ', '');
+  return (
+    <span
+      className={`${styles.healthTag} ${styles[`health_${statusClass}`]} ${
+        darkMode ? styles.dark : ''
+      }`}
+    >
+      {status}
+    </span>
+  );
+}
+
+function AnimalCard({ animal, darkMode }) {
+  return (
+    <div className={`${styles.animalCard} ${darkMode ? styles.dark : ''}`}>
+      <div className={styles.animalCardHeader}>
+        <h3 className={styles.animalName}>{animal.name}</h3>
+        <HealthTag status={animal.health} darkMode={darkMode} />
+      </div>
+      <div className={styles.animalDetails}>
+        <div className={styles.detailRow}>
+          <span className={styles.detailLabel}>🔢 Count</span>
+          <span className={styles.detailValue}>{animal.count}</span>
+        </div>
+        <div className={styles.detailRow}>
+          <span className={styles.detailLabel}>🎯 Purpose</span>
+          <span className={styles.detailValue}>{animal.purpose}</span>
+        </div>
+        <div className={styles.detailRow}>
+          <span className={styles.detailLabel}>🧬 Type / Breed</span>
+          <span className={styles.detailValue}>{animal.type}</span>
+        </div>
+        <div className={styles.detailRow}>
+          <span className={styles.detailLabel}>📍 Location</span>
+          <span className={styles.detailValue}>{animal.location}</span>
+        </div>
+        <div className={styles.detailRow}>
+          <span className={styles.detailLabel}>📅 Age</span>
+          <span className={styles.detailValue}>{animal.age}</span>
+        </div>
+      </div>
+      <button className={`${styles.viewDetailsBtn} ${darkMode ? styles.dark : ''}`} type="button">
+        View Details
+      </button>
+    </div>
+  );
+}
+
+function SectionNavbar({ activeSection, onSectionChange, darkMode }) {
+  return (
+    <nav className={`${styles.sectionNavbar} ${darkMode ? styles.dark : ''}`}>
+      {sectionTabs.map(tab => (
+        <button
+          key={tab}
+          type="button"
+          className={`${styles.sectionTab} ${activeSection === tab ? styles.activeTab : ''} ${
+            darkMode ? styles.dark : ''
+          }`}
+          onClick={() => onSectionChange(tab)}
+        >
+          {tab}
+        </button>
+      ))}
+    </nav>
+  );
+}
+
+function SearchAndFilter({ searchTerm, onSearchChange, darkMode }) {
+  return (
+    <div className={`${styles.searchBar} ${darkMode ? styles.dark : ''}`}>
+      <input
+        type="text"
+        placeholder="Search animals by name, breed, or location..."
+        value={searchTerm}
+        onChange={e => onSearchChange(e.target.value)}
+        className={`${styles.searchInput} ${darkMode ? styles.dark : ''}`}
+        aria-label="Search animals"
+      />
+    </div>
+  );
+}
+
+// --- Main Component ---
+
+function AnimalManagement() {
+  const darkMode = useDarkMode();
+  const [activeSection, setActiveSection] = useState('Animal Inventory');
+  const [searchTerm, setSearchTerm] = useState('');
+
+  const filteredAnimals = animals.filter(animal => {
+    const term = searchTerm.toLowerCase();
+    return (
+      animal.name.toLowerCase().includes(term) ||
+      animal.type.toLowerCase().includes(term) ||
+      animal.location.toLowerCase().includes(term) ||
+      animal.purpose.toLowerCase().includes(term)
+    );
+  });
+
+  return (
+    <div className={`${styles.container} ${darkMode ? styles.dark : ''}`}>
+      {/* Page Header */}
+      <header className={styles.pageHeader}>
+        <h1 className={`${styles.pageTitle} ${darkMode ? styles.dark : ''}`}>
+          🐾 Animal Management
+        </h1>
+        <p className={`${styles.pageSubtitle} ${darkMode ? styles.dark : ''}`}>
+          Monitor animal inventory, orders, feed, and culling events.
+        </p>
+      </header>
+
+      {/* Dashboard Cards */}
+      <section className={styles.dashboardGrid} aria-label="Dashboard summary">
+        {dashboardStats.map(stat => (
+          <DashboardCard key={stat.id} stat={stat} darkMode={darkMode} />
+        ))}
+      </section>
+
+      {/* Section Navbar */}
+      <SectionNavbar
+        activeSection={activeSection}
+        onSectionChange={setActiveSection}
+        darkMode={darkMode}
+      />
+
+      {/* Active Section Content */}
+      {activeSection === 'Animal Inventory' && (
+        <section aria-label="Animal Inventory">
+          <SearchAndFilter
+            searchTerm={searchTerm}
+            onSearchChange={setSearchTerm}
+            darkMode={darkMode}
+          />
+          {filteredAnimals.length > 0 ? (
+            <div className={styles.animalGrid}>
+              {filteredAnimals.map(animal => (
+                <AnimalCard key={animal.id} animal={animal} darkMode={darkMode} />
+              ))}
+            </div>
+          ) : (
+            <p className={`${styles.noResults} ${darkMode ? styles.dark : ''}`}>
+              No animals match your search.
+            </p>
+          )}
+        </section>
+      )}
+
+      {activeSection !== 'Animal Inventory' && (
+        <div className={`${styles.placeholderSection} ${darkMode ? styles.dark : ''}`}>
+          <p>{activeSection} section coming soon.</p>
+        </div>
+      )}
+    </div>
+  );
+}
+
+export default AnimalManagement;