<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <title>Plant Foods & Animal Feeders</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: transparent;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      width: 100%;
    }

    header {
      text-align: center;
    }
    h1 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
    }
    p.subtitle {
      font-size: 13px;
      color: #64748b;
      margin-top: 2px;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      width: 100%;
    }

    @media (max-width: 500px) {
      .grid {
        grid-template-columns: 1fr;
      }
    }

    .col-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 14px;
      padding: 14px 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 8px;
      cursor: pointer;
      transition: border-color 0.25s ease, background-color 0.25s ease;
      user-select: none;
    }

    /* Column themes */
    .col-fruit {
      --accent: #d97706;
      --accent-bg: #fef3c7;
      --badge-bg: #fffbeb;
    }
    .col-fruit.active, .col-fruit:hover {
      border-color: #f59e0b;
      background: #fffdf5;
    }

    .col-seeds {
      --accent: #9a3412;
      --accent-bg: #fed7aa;
      --badge-bg: #fff7ed;
    }
    .col-seeds.active, .col-seeds:hover {
      border-color: #ea580c;
      background: #fffbf7;
    }

    .col-nectar {
      --accent: #db2777;
      --accent-bg: #fce7f3;
      --badge-bg: #fdf2f8;
    }
    .col-nectar.active, .col-nectar:hover {
      border-color: #ec4899;
      background: #fdf6fa;
    }

    .title-pill {
      font-size: 15px;
      font-weight: 700;
      color: var(--accent);
      background: var(--accent-bg);
      padding: 4px 12px;
      border-radius: 20px;
      display: inline-block;
    }

    .illustration {
      font-size: 42px;
      line-height: 1;
      margin: 4px 0;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .nutrition-badge {
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      background: var(--badge-bg);
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      padding: 6px 8px;
      width: 100%;
    }

    .adaptation {
      font-size: 12px;
      font-weight: 500;
      color: #64748b;
      line-height: 1.35;
      padding-top: 4px;
      border-top: 1px dashed #e2e8f0;
      width: 100%;
    }

    .cue {
      font-size: 12px;
      text-align: center;
      color: #94a3b8;
    }
  </style>
</head>
<body>

  <header>
    <h1>Plant Foods &amp; Animal Feeders</h1>
    <p class="subtitle">Different plant parts offer distinct energy and adaptations</p>
  </header>

  <div class="grid" id="foodGrid">
    
    <div class="col-card col-fruit active" onclick="selectCard(this)">
      <span class="title-pill">Fruit</span>
      <div class="illustration">🦜 🍓</div>
      <div class="nutrition-badge">⚡ Quick Sugars</div>
      <div class="adaptation">Bright colors invite birds to swallow fruit &amp; spread seeds</div>
    </div>

    
    <div class="col-card col-seeds" onclick="selectCard(this)">
      <span class="title-pill">Seeds &amp; Nuts</span>
      <div class="illustration">🐿️ 🌰</div>
      <div class="nutrition-badge">🔋 Dense Oils &amp; Fats</div>
      <div class="adaptation">Hard shells protect rich reserves; cracked by sharp teeth &amp; beaks</div>
    </div>

    
    <div class="col-card col-nectar" onclick="selectCard(this)">
      <span class="title-pill">Nectar</span>
      <div class="illustration">🦋 🌸</div>
      <div class="nutrition-badge">💧 Liquid Fuel</div>
      <div class="adaptation">Deep sugar hidden inside blooms rewards pollinators</div>
    </div>
  </div>

  <div class="cue">Tap a column to highlight its food chain link</div>

  <script>
    function selectCard(card) {
      document.querySelectorAll('.col-card').forEach(c => c.classList.remove('active'));
      card.classList.add('active');
    }
  </script>
</body>
</html>

How Animals Get Their Food

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <title>Predator and Prey</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    }
    body {
      background: #ffffff;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      min-height: 380px;
    }

    /* Tabs */
    .nav-tabs {
      display: flex;
      gap: 8px;
      width: 100%;
      max-width: 480px;
      justify-content: center;
    }
    .tab-btn {
      flex: 1;
      padding: 8px 10px;
      border: 1px solid #e2e8f0;
      background: #f8fafc;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: all 0.25s ease;
    }
    .tab-btn.active {
      background: #eff6ff;
      border-color: #3b82f6;
      color: #1d4ed8;
      box-shadow: 0 1px 3px rgba(59, 130, 246, 0.15);
    }

    /* Stage */
    .stage-container {
      position: relative;
      width: 100%;
      max-width: 480px;
      height: 220px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 16px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      overflow: hidden;
    }

    .organism-card {
      flex: 1;
      max-width: 140px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 12px 8px;
      text-align: center;
      transition: transform 0.3s ease, border-color 0.3s ease;
      z-index: 2;
    }
    .organism-card.predator {
      border-left: 4px solid #f97316;
    }
    .organism-card.prey {
      border-right: 4px solid #10b981;
    }

    .organism-emoji {
      font-size: 40px;
      line-height: 1.1;
      margin-bottom: 4px;
      user-select: none;
      transition: transform 0.3s ease;
    }
    .organism-name {
      font-size: 14px;
      font-weight: 700;
      color: #1e2945;
      margin-bottom: 2px;
    }
    .role-badge {
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      padding: 2px 6px;
      border-radius: 4px;
    }
    .badge-predator {
      background: #ffedd5;
      color: #c2410c;
    }
    .badge-prey {
      background: #d1fae5;
      color: #047857;
    }

    /* Central Flow & Action */
    .flow-connector {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 0 8px;
      z-index: 2;
    }
    .flow-arrow-wrap {
      display: flex;
      align-items: center;
      gap: 4px;
      color: #3b82f6;
      font-size: 13px;
      font-weight: 700;
      background: #eff6ff;
      border: 1px solid #bfdbfe;
      padding: 4px 10px;
      border-radius: 20px;
      margin-bottom: 6px;
      white-space: nowrap;
    }
    .arrow-icon {
      font-size: 15px;
      display: inline-block;
      animation: pulseArrow 1.5s infinite ease-in-out;
    }
    @keyframes pulseArrow {
      0%, 100% { transform: translateX(0); }
      50% { transform: translateX(3px); }
    }

    /* Fact Banner */
    .fact-card {
      width: 100%;
      max-width: 480px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 10px 14px;
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 48px;
    }
    .fact-icon {
      font-size: 18px;
      color: #f59e0b;
      flex-shrink: 0;
    }
    .fact-text {
      font-size: 13px;
      font-weight: 500;
      color: #334155;
      line-height: 1.35;
    }
    .fact-highlight {
      font-weight: 700;
      color: #1e2945;
    }

    /* Controls */
    .stepper-controls {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .ctrl-btn {
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      border-radius: 6px;
      padding: 6px 12px;
      font-size: 12px;
      font-weight: 600;
      color: #475569;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .ctrl-btn:hover {
      background: #e2e8f0;
    }
    .dot-indicators {
      display: flex;
      gap: 6px;
    }
    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #cbd5e1;
      cursor: pointer;
      transition: background 0.2s ease;
    }
    .dot.active {
      background: #3b82f6;
      width: 16px;
      border-radius: 4px;
    }
  </style>
</head>
<body>

  
  <div class="nav-tabs">
    <button class="tab-btn active" onclick="setPair(0)">🦉 Owl</button>
    <button class="tab-btn" onclick="setPair(1)">🐸 Frog</button>
    <button class="tab-btn" onclick="setPair(2)">🐞 Ladybug</button>
  </div>

  
  <div class="stage-container">
    
    <div class="organism-card predator">
      <div class="organism-emoji" id="predatorEmoji">🦉</div>
      <div class="organism-name" id="predatorName">Barn Owl</div>
      <span class="role-badge badge-predator">Hunter</span>
    </div>

    
    <div class="flow-connector">
      <div class="flow-arrow-wrap">
        <span>Eats</span>
        <span class="arrow-icon">➔</span>
      </div>
    </div>

    
    <div class="organism-card prey">
      <div class="organism-emoji" id="preyEmoji">🐁</div>
      <div class="organism-name" id="preyName">Field Mouse</div>
      <span class="role-badge badge-prey">Prey</span>
    </div>
  </div>

  
  <div class="fact-card">
    <span class="fact-icon">✦</span>
    <div class="fact-text" id="factText">
      <span class="fact-highlight">Silent Hunter:</span> Barn owls catch up to 4 mice every single night using silent flight.
    </div>
  </div>

  
  <div class="stepper-controls">
    <button class="ctrl-btn" id="playBtn" onclick="toggleAutoPlay()">⏸ Pause</button>
    <div class="dot-indicators">
      <div class="dot active" onclick="setPair(0)"></div>
      <div class="dot" onclick="setPair(1)"></div>
      <div class="dot" onclick="setPair(2)"></div>
    </div>
  </div>

  <script>
    const data = [
      {
        predatorEmoji: "🦉",
        predatorName: "Barn Owl",
        preyEmoji: "🐁",
        preyName: "Field Mouse",
        factTitle: "Silent Hunter:",
        factDesc: "Barn owls catch up to 4 mice every night using silent flight."
      },
      {
        predatorEmoji: "🐸",
        predatorName: "Frog",
        preyEmoji: "🦗",
        preyName: "Dragonfly",
        factTitle: "Lightning Strike:",
        factDesc: "A frog's sticky tongue snaps out in just 0.07 seconds!"
      },
      {
        predatorEmoji: "🐞",
        predatorName: "Ladybug",
        preyEmoji: "🌱",
        preyName: "Aphids",
        factTitle: "Garden Protector:",
        factDesc: "One hungry ladybug can eat 50 garden aphids in a single day."
      }
    ];

    let currentIndex = 0;
    let autoPlayInterval = null;
    let isPlaying = true;

    function render() {
      const item = data[currentIndex];
      
      // Update DOM
      document.getElementById('predatorEmoji').textContent = item.predatorEmoji;
      document.getElementById('predatorName').textContent = item.predatorName;
      document.getElementById('preyEmoji').textContent = item.preyEmoji;
      document.getElementById('preyName').textContent = item.preyName;
      
      document.getElementById('factText').innerHTML = 
        `<span class="fact-highlight">${item.factTitle}</span> ${item.factDesc}`;

      // Update tabs and dots
      document.querySelectorAll('.tab-btn').forEach((btn, i) => {
        btn.classList.toggle('active', i === currentIndex);
      });
      document.querySelectorAll('.dot').forEach((dot, i) => {
        dot.classList.toggle('active', i === currentIndex);
      });
    }

    function setPair(index) {
      currentIndex = index;
      render();
    }

    function nextPair() {
      currentIndex = (currentIndex + 1) % data.length;
      render();
    }

    function startAutoPlay() {
      if (autoPlayInterval) clearInterval(autoPlayInterval);
      autoPlayInterval = setInterval(nextPair, 3500);
      isPlaying = true;
      document.getElementById('playBtn').textContent = '⏸ Pause';
    }

    function pauseAutoPlay() {
      if (autoPlayInterval) clearInterval(autoPlayInterval);
      isPlaying = false;
      document.getElementById('playBtn').textContent = '▶ Play';
    }

    function toggleAutoPlay() {
      if (isPlaying) {
        pauseAutoPlay();
      } else {
        startAutoPlay();
      }
    }

    // Initialize
    render();
    startAutoPlay();
  </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: transparent;
      color: #1e2945;
      padding: 12px 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      user-select: none;
    }

    .grid-container {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      width: 100%;
      max-width: 620px;
    }

    .diet-col {
      background: #ffffff;
      border-radius: 12px;
      border: 2px solid #e6e8ec;
      padding: 10px 6px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      cursor: pointer;
      transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, opacity 0.25s ease;
    }

    .diet-col.dimmed {
      opacity: 0.45;
    }

    .badge {
      font-size: 13px;
      font-weight: 700;
      padding: 4px 8px;
      border-radius: 20px;
      margin-bottom: 6px;
      letter-spacing: 0.2px;
    }

    .sub-badge {
      font-size: 11px;
      font-weight: 600;
      margin-bottom: 10px;
      min-height: 16px;
    }

    /* Herbivore - Green */
    .herbivore .badge {
      background: #e8f7ec;
      color: #1b873f;
    }
    .herbivore.active {
      border-color: #22c55e;
      box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18);
    }
    .herbivore .sub-badge {
      color: #1b873f;
    }

    /* Omnivore - Purple */
    .omnivore .badge {
      background: #f3e8ff;
      color: #7e22ce;
    }
    .omnivore.active {
      border-color: #a855f7;
      box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.18);
    }
    .omnivore .sub-badge {
      color: #7e22ce;
    }

    /* Carnivore - Coral/Red */
    .carnivore .badge {
      background: #fee2e2;
      color: #b91c1c;
    }
    .carnivore.active {
      border-color: #ef4444;
      box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18);
    }
    .carnivore .sub-badge {
      color: #b91c1c;
    }

    .section-title {
      font-size: 10px;
      text-transform: uppercase;
      font-weight: 700;
      color: #8b95a5;
      letter-spacing: 0.5px;
      margin: 4px 0 3px;
    }

    .items-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 4px;
      margin-bottom: 8px;
    }

    .item-chip {
      background: #f8fafc;
      border: 1px solid #edf2f7;
      border-radius: 8px;
      padding: 4px 6px;
      font-size: 14px;
      line-height: 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .divider {
      width: 80%;
      height: 1px;
      background: #eef1f6;
      margin: 4px 0 6px;
    }

    .instruction {
      font-size: 11px;
      color: #8b95a5;
      margin-top: 10px;
      font-weight: 500;
    }
  </style>
</head>
<body>
  <div class="grid-container" id="grid">
    
    <div class="diet-col herbivore active" data-type="herbivore">
      <div class="badge">🌿 Herbivore</div>
      <div class="sub-badge">Only Plants</div>
      
      <div class="section-title">Food</div>
      <div class="items-row">
        <div class="item-chip" title="Leaves">🍃</div>
        <div class="item-chip" title="Seeds">🌻</div>
        <div class="item-chip" title="Grass">🌾</div>
      </div>

      <div class="divider"></div>

      <div class="section-title">Animals</div>
      <div class="items-row">
        <div class="item-chip" title="Rabbit">🐰</div>
        <div class="item-chip" title="Cow">🐮</div>
      </div>
    </div>

    
    <div class="diet-col omnivore active" data-type="omnivore">
      <div class="badge">🥗 Omnivore</div>
      <div class="sub-badge">Plants + Animals</div>

      <div class="section-title">Food</div>
      <div class="items-row">
        <div class="item-chip" title="Berries">🫐</div>
        <div class="item-chip" title="Bugs">🐛</div>
        <div class="item-chip" title="Fish">🐟</div>
      </div>

      <div class="divider"></div>

      <div class="section-title">Animals</div>
      <div class="items-row">
        <div class="item-chip" title="Bear">🐻</div>
        <div class="item-chip" title="Human">👤</div>
        <div class="item-chip" title="Chicken">🐔</div>
      </div>
    </div>

    
    <div class="diet-col carnivore active" data-type="carnivore">
      <div class="badge">🥩 Carnivore</div>
      <div class="sub-badge">Only Animals</div>

      <div class="section-title">Food</div>
      <div class="items-row">
        <div class="item-chip" title="Meat">🥩</div>
        <div class="item-chip" title="Insects">🦗</div>
        <div class="item-chip" title="Prey">🐟</div>
      </div>

      <div class="divider"></div>

      <div class="section-title">Animals</div>
      <div class="items-row">
        <div class="item-chip" title="Lion">🦁</div>
        <div class="item-chip" title="Owl">🦉</div>
        <div class="item-chip" title="Shark">🦈</div>
      </div>
    </div>
  </div>

  <div class="instruction">Tap a column to focus</div>

  <script>
    const cols = document.querySelectorAll('.diet-col');
    let selected = null;

    cols.forEach(col => {
      col.addEventListener('click', () => {
        const type = col.dataset.type;
        if (selected === type) {
          selected = null;
          cols.forEach(c => {
            c.classList.add('active');
            c.classList.remove('dimmed');
          });
        } else {
          selected = type;
          cols.forEach(c => {
            if (c.dataset.type === selected) {
              c.classList.add('active');
              c.classList.remove('dimmed');
            } else {
              c.classList.remove('active');
              c.classList.add('dimmed');
            }
          });
        }
      });
    });
  </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Animals Eating Green Plant Parts</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      background: #ffffff;
      padding: 16px 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      user-select: none;
    }

    .container {
      width: 100%;
      max-width: 520px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
    }

    /* Header */
    .header-section {
      text-align: center;
    }

    .main-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #1e2945;
      letter-spacing: -0.01em;
      margin-bottom: 4px;
    }

    .sub-title {
      font-size: 0.85rem;
      color: #4b5563;
      font-weight: 500;
    }

    /* Navigation Tabs */
    .nav-bar {
      display: flex;
      gap: 8px;
      width: 100%;
    }

    .tab-btn {
      flex: 1;
      border: 2px solid #e2e8f0;
      background: #f8fafc;
      color: #475569;
      padding: 10px 6px;
      border-radius: 14px;
      font-size: 0.9rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      transition: background-color 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
    }

    .tab-btn:hover {
      background: #f1f5f9;
      border-color: #cbd5e1;
    }

    .tab-btn.active {
      background: #f0fdf4;
      border-color: #22c55e;
      color: #15803d;
      box-shadow: 0 3px 8px rgba(34, 197, 94, 0.18);
    }

    /* Main Showcase Card */
    .display-card {
      width: 100%;
      background: #f8fafc;
      border: 2px solid #e2e8f0;
      border-radius: 20px;
      padding: 20px 16px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
      transition: border-color 0.2s;
    }

    .stage {
      display: flex;
      align-items: center;
      justify-content: space-around;
      width: 100%;
      background: #ffffff;
      border-radius: 16px;
      padding: 16px 12px;
      border: 1px solid #e2e8f0;
    }

    .actor-box {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      flex: 1;
    }

    .actor-svg {
      width: 64px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .actor-svg svg {
      width: 100%;
      height: 100%;
    }

    .actor-name {
      font-size: 0.85rem;
      font-weight: 700;
      color: #1e2945;
      text-align: center;
    }

    .arrow-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      padding: 0 4px;
    }

    .action-label {
      font-size: 0.72rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: #16a34a;
      background: #dcfce7;
      padding: 2px 8px;
      border-radius: 999px;
      white-space: nowrap;
    }

    .arrow-icon {
      font-size: 20px;
      color: #22c55e;
      font-weight: 900;
      line-height: 1;
    }

    /* Plant Part Badge */
    .plant-part-badge {
      display: flex;
      align-items: center;
      gap: 6px;
      background: #dcfce7;
      border: 1.5px solid #86efac;
      color: #15803d;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 700;
    }

    .plant-part-badge span.highlight {
      color: #166534;
      font-weight: 800;
    }

    /* Educational Info Box */
    .info-desc {
      font-size: 0.86rem;
      line-height: 1.45;
      color: #334155;
      text-align: center;
      max-width: 440px;
    }

    .info-desc strong {
      color: #15803d;
    }

    /* Bottom Navigation Controls */
    .controls {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      padding: 0 4px;
    }

    .nav-arrow-btn {
      background: #ffffff;
      border: 1.5px solid #cbd5e1;
      color: #1e2945;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: 10px;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 4px;
      transition: background-color 0.15s, border-color 0.15s;
    }

    .nav-arrow-btn:hover {
      background: #f8fafc;
      border-color: #94a3b8;
    }

    .stepper-dots {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #cbd5e1;
      border: none;
      cursor: pointer;
      padding: 0;
      transition: background-color 0.2s;
    }

    .dot.active {
      background: #22c55e;
      width: 22px;
      border-radius: 6px;
    }

    @media (max-width: 400px) {
      .main-title {
        font-size: 1.1rem;
      }
      .tab-btn {
        font-size: 0.8rem;
        padding: 8px 4px;
      }
      .actor-svg {
        width: 52px;
        height: 52px;
      }
      .action-label {
        font-size: 0.65rem;
        padding: 2px 6px;
      }
    }
  </style>
</head>
<body>

  <div class="container">
    
    <header class="header-section">
      <h1 class="main-title">Animals Eating Green Plant Parts</h1>
      <p class="sub-title">Select an animal to see what part of the plant it eats</p>
    </header>

    
    <nav class="nav-bar" aria-label="Animal Selection">
      <button type="button" class="tab-btn active" onclick="setSlide(0)" id="tab-0">🐛 Caterpillar</button>
      <button type="button" class="tab-btn" onclick="setSlide(1)" id="tab-1">🐄 Cow</button>
      <button type="button" class="tab-btn" onclick="setSlide(2)" id="tab-2">🐼 Panda</button>
    </nav>

    
    <main class="display-card">
      <div class="stage">
        
        <div class="actor-box">
          <div class="actor-svg" id="animalIcon">
            
            <svg viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
              <circle cx="16" cy="34" r="8" fill="#4ade80" stroke="#16a34a" stroke-width="2"/>
              <circle cx="26" cy="32" r="8" fill="#22c55e" stroke="#16a34a" stroke-width="2"/>
              <circle cx="36" cy="34" r="8" fill="#4ade80" stroke="#16a34a" stroke-width="2"/>
              <circle cx="46" cy="30" r="10" fill="#16a34a" stroke="#15803d" stroke-width="2"/>
              
              <circle cx="48" cy="28" r="2" fill="#ffffff"/>
              <circle cx="49" cy="28" r="1" fill="#1e2945"/>
              <path d="M49 22L53 15M45 22L43 14" stroke="#15803d" stroke-width="2" stroke-linecap="round"/>
              <circle cx="53" cy="15" r="1.5" fill="#f59e0b"/>
              <circle cx="43" cy="14" r="1.5" fill="#f59e0b"/>
              
              <path d="M14 42v4M24 40v4M34 42v4M44 40v4" stroke="#15803d" stroke-width="2" stroke-linecap="round"/>
            </svg>
          </div>
          <span class="actor-name" id="animalName">Green Caterpillar</span>
        </div>

        
        <div class="arrow-container">
          <span class="action-label" id="actionText">Eats</span>
          <span class="arrow-icon">➔</span>
        </div>

        
        <div class="actor-box">
          <div class="actor-svg" id="plantIcon">
            
            <svg viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
              <path d="M14 48C14 48 18 20 48 16C48 16 50 42 26 48C20 49.5 16 49 14 48Z" fill="#86efac" stroke="#16a34a" stroke-width="2.5"/>
              <path d="M14 48C24 38 36 28 48 16" stroke="#15803d" stroke-width="2" stroke-linecap="round"/>
              <path d="M26 36L34 40M34 28L42 32" stroke="#15803d" stroke-width="1.5" stroke-linecap="round"/>
              
              <circle cx="48" cy="24" r="3" fill="#ffffff"/>
              <circle cx="44" cy="32" r="2.5" fill="#ffffff"/>
            </svg>
          </div>
          <span class="actor-name" id="plantName">Broad Leaf</span>
        </div>
      </div>

      
      <div class="plant-part-badge">
        <span>Part Eaten:</span>
        <span class="highlight" id="plantPartBadge">Green Leaves</span>
      </div>

      
      <p class="info-desc" id="infoText">
        Caterpillars use chewing mouthparts to nibble on soft <strong>green leaves</strong>, absorbing essential nutrients to grow.
      </p>
    </main>

    
    <footer class="controls">
      <button type="button" class="nav-arrow-btn" onclick="prevSlide()" aria-label="Previous animal">◀ Prev</button>
      <div class="stepper-dots" role="tablist" aria-label="Slide indicators">
        <button type="button" class="dot active" onclick="setSlide(0)" id="dot-0" aria-label="Slide 1"></button>
        <button type="button" class="dot" onclick="setSlide(1)" id="dot-1" aria-label="Slide 2"></button>
        <button type="button" class="dot" onclick="setSlide(2)" id="dot-2" aria-label="Slide 3"></button>
      </div>
      <button type="button" class="nav-arrow-btn" onclick="nextSlide()" aria-label="Next animal">Next ▶</button>
    </footer>
  </div>

  <script>
    const slides = [
      {
        animalName: "Green Caterpillar",
        plantName: "Large Leaf",
        action: "Nibbles",
        plantPart: "Green Leaves",
        description: "Caterpillars use chewing mouthparts to nibble on soft <strong>green leaves</strong>, storing energy to transform into butterflies.",
        animalSvg: `
          <svg viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
            <circle cx="16" cy="34" r="8" fill="#4ade80" stroke="#16a34a" stroke-width="2"/>
            <circle cx="26" cy="32" r="8" fill="#22c55e" stroke="#16a34a" stroke-width="2"/>
            <circle cx="36" cy="34" r="8" fill="#4ade80" stroke="#16a34a" stroke-width="2"/>
            <circle cx="46" cy="30" r="10" fill="#16a34a" stroke="#15803d" stroke-width="2"/>
            <circle cx="48" cy="28" r="2" fill="#ffffff"/>
            <circle cx="49" cy="28" r="1" fill="#1e2945"/>
            <path d="M49 22L53 15M45 22L43 14" stroke="#15803d" stroke-width="2" stroke-linecap="round"/>
            <circle cx="53" cy="15" r="1.5" fill="#f59e0b"/>
            <circle cx="43" cy="14" r="1.5" fill="#f59e0b"/>
            <path d="M14 42v4M24 40v4M34 42v4M44 40v4" stroke="#15803d" stroke-width="2" stroke-linecap="round"/>
          </svg>
        `,
        plantSvg: `
          <svg viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
            <path d="M14 48C14 48 18 20 48 16C48 16 50 42 26 48C20 49.5 16 49 14 48Z" fill="#86efac" stroke="#16a34a" stroke-width="2.5"/>
            <path d="M14 48C24 38 36 28 48 16" stroke="#15803d" stroke-width="2" stroke-linecap="round"/>
            <path d="M26 36L34 40M34 28L42 32" stroke="#15803d" stroke-width="1.5" stroke-linecap="round"/>
            <circle cx="48" cy="24" r="3" fill="#ffffff"/>
            <circle cx="44" cy="32" r="2.5" fill="#ffffff"/>
          </svg>
        `
      },
      {
        animalName: "Dairy Cow",
        plantName: "Fresh Grass",
        action: "Grazes On",
        plantPart: "Grass Blades & Shoots",
        description: "Dairy cows are herbivores that graze on <strong>green grass and shoots</strong>, using specialized stomachs to digest tough plant fibers.",
        animalSvg: `
          <svg viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
            
            <rect x="18" y="20" width="28" height="26" rx="8" fill="#ffffff" stroke="#1e2945" stroke-width="2"/>
            
            <path d="M20 24c3 0 5 4 4 7s-4 3-6 2v-8z" fill="#1e2945"/>
            <path d="M38 20c2 4 6 5 8 4v7c-3 1-7-3-8-8v-3z" fill="#1e2945"/>
            
            <path d="M16 22l-6-3M48 22l6-3" stroke="#fcd34d" stroke-width="3" stroke-linecap="round"/>
            <ellipse cx="14" cy="26" rx="4" ry="2" fill="#fbcfe8" stroke="#1e2945" stroke-width="1"/>
            <ellipse cx="50" cy="26" rx="4" ry="2" fill="#fbcfe8" stroke="#1e2945" stroke-width="1"/>
            
            <circle cx="26" cy="30" r="2" fill="#1e2945"/>
            <circle cx="38" cy="30" r="2" fill="#1e2945"/>
            
            <rect x="22" y="34" width="20" height="12" rx="6" fill="#fbcfe8" stroke="#1e2945" stroke-width="1.5"/>
            <circle cx="28" cy="40" r="1.5" fill="#db2777"/>
            <circle cx="36" cy="40" r="1.5" fill="#db2777"/>
          </svg>
        `,
        plantSvg: `
          <svg viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
            <path d="M10 50C12 36 18 24 24 16C23 28 22 42 22 50" fill="#4ade80" stroke="#16a34a" stroke-width="2"/>
            <path d="M24 50C27 34 33 20 40 12C38 26 36 40 35 50" fill="#22c55e" stroke="#15803d" stroke-width="2"/>
            <path d="M36 50C39 36 45 26 54 18C50 30 47 42 46 50" fill="#86efac" stroke="#16a34a" stroke-width="2"/>
            <line x1="8" y1="50" x2="56" y2="50" stroke="#a3e635" stroke-width="3" stroke-linecap="round"/>
          </svg>
        `
      },
      {
        animalName: "Giant Panda",
        plantName: "Bamboo Stalk",
        action: "Chews",
        plantPart: "Stalks & Leaves",
        description: "Pandas spend up to 12 hours a day chewing tough <strong>bamboo stalks and green leaves</strong> with their strong jaws and teeth.",
        animalSvg: `
          <svg viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
            
            <circle cx="19" cy="20" r="6" fill="#1e2945"/>
            <circle cx="45" cy="20" r="6" fill="#1e2945"/>
            
            <circle cx="32" cy="34" r="16" fill="#ffffff" stroke="#1e2945" stroke-width="2"/>
            
            <ellipse cx="26" cy="32" rx="4.5" ry="3.5" transform="rotate(-15 26 32)" fill="#1e2945"/>
            <ellipse cx="38" cy="32" rx="4.5" ry="3.5" transform="rotate(15 38 32)" fill="#1e2945"/>
            <circle cx="26" cy="32" r="1.5" fill="#ffffff"/>
            <circle cx="38" cy="32" r="1.5" fill="#ffffff"/>
            
            <ellipse cx="32" cy="39" rx="2.5" ry="2" fill="#1e2945"/>
            <path d="M30 43c1 1 3 1 4 0" stroke="#1e2945" stroke-width="1.5" stroke-linecap="round"/>
          </svg>
        `,
        plantSvg: `
          <svg viewBox="0 0 64 64" fill="none" xmlns="http://www.w3.org/2000/svg">
            
            <rect x="28" y="10" width="8" height="11" rx="1.5" fill="#4ade80" stroke="#15803d" stroke-width="1.5"/>
            <rect x="28" y="23" width="8" height="13" rx="1.5" fill="#22c55e" stroke="#15803d" stroke-width="1.5"/>
            <rect x="28" y="38" width="8" height="14" rx="1.5" fill="#16a34a" stroke="#15803d" stroke-width="1.5"/>
            
            <path d="M28 23C20 20 14 24 10 30C16 30 24 27 28 23Z" fill="#86efac" stroke="#15803d" stroke-width="1.5"/>
            <path d="M36 23C44 19 50 22 54 28C48 29 40 27 36 23Z" fill="#86efac" stroke="#15803d" stroke-width="1.5"/>
            <path d="M36 38C45 35 52 38 56 46C49 46 41 43 36 38Z" fill="#4ade80" stroke="#15803d" stroke-width="1.5"/>
          </svg>
        `
      }
    ];

    let currentSlide = 0;

    const animalIcon = document.getElementById('animalIcon');
    const animalName = document.getElementById('animalName');
    const plantIcon = document.getElementById('plantIcon');
    const plantName = document.getElementById('plantName');
    const actionText = document.getElementById('actionText');
    const plantPartBadge = document.getElementById('plantPartBadge');
    const infoText = document.getElementById('infoText');

    function setSlide(index) {
      currentSlide = (index + slides.length) % slides.length;
      const data = slides[currentSlide];

      // Update content
      animalIcon.innerHTML = data.animalSvg;
      animalName.textContent = data.animalName;
      plantIcon.innerHTML = data.plantSvg;
      plantName.textContent = data.plantName;
      actionText.textContent = data.action;
      plantPartBadge.textContent = data.plantPart;
      infoText.innerHTML = data.description;

      // Update tab buttons
      for (let i = 0; i < slides.length; i++) {
        const tab = document.getElementById(`tab-${i}`);
        const dot = document.getElementById(`dot-${i}`);
        if (tab) tab.classList.toggle('active', i === currentSlide);
        if (dot) dot.classList.toggle('active', i === currentSlide);
      }
    }

    function prevSlide() {
      setSlide(currentSlide - 1);
    }

    function nextSlide() {
      setSlide(currentSlide + 1);
    }

    // Initialize slide 0 without any automatic cycling timers
    setSlide(0);
  </script>
</body>
</html>

science.ks1.y2.t1.s4

Aligned learning resources

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