<!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, sans-serif;
      color: #1e2945;
      background: transparent;
      padding: 10px;
    }

    /* Conditions header */
    .conditions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .condition-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    }
    .water-badge { color: #0284c7; }
    .warmth-badge { color: #ea580c; }

    /* 3-stage grid */
    .stages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    @media (max-width: 480px) {
      .stages-grid {
        grid-template-columns: 1fr;
        gap: 8px;
      }
    }

    .stage-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 10px 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      transition: box-shadow 0.2s ease, border-color 0.2s ease;
      cursor: pointer;
      user-select: none;
    }
    .stage-card.active {
      border-color: #22b7ff;
      box-shadow: 0 0 0 2px rgba(34, 183, 255, 0.35);
    }

    .stage-title {
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 6px;
      color: #334155;
    }

    .stage-card.active .stage-title {
      color: #0284c7;
    }

    .stage-visual {
      width: 100%;
      height: 120px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    svg {
      width: 100%;
      height: 100%;
      overflow: visible;
    }

    /* Controls */
    .controls {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      margin-top: 10px;
    }
    .ctrl-btn {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 6px;
      padding: 5px 12px;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      color: #334155;
    }
    .ctrl-btn:hover {
      background: #f1f5f9;
    }
  </style>
</head>
<body>

  
  <div class="conditions">
    <div class="condition-badge water-badge">💧 Water</div>
    <div style="font-weight:bold; color:#94a3b8;">+</div>
    <div class="condition-badge warmth-badge">🌡️ Warmth</div>
  </div>

  
  <div class="stages-grid">
    
    <div class="stage-card active" id="card-0" onclick="goToStep(0)">
      <div class="stage-title">1. Swells</div>
      <div class="stage-visual">
        <svg viewBox="0 0 100 100">
          
          <line x1="5" y1="35" x2="95" y2="35" stroke="#a16207" stroke-width="2" stroke-dasharray="3,3" />
          
          
          <circle cx="50" cy="16" r="3.5" fill="#38bdf8" opacity="0.9" />
          <circle cx="35" cy="24" r="2.5" fill="#38bdf8" opacity="0.7" />
          <circle cx="65" cy="24" r="2.5" fill="#38bdf8" opacity="0.7" />

          
          <ellipse cx="50" cy="62" rx="20" ry="16" fill="#ca8a04" stroke="#854d0e" stroke-width="2" />
          <path d="M 44 54 Q 48 62 44 70" fill="none" stroke="#fef08a" stroke-width="2" stroke-linecap="round" />
          
          
          <path d="M 22 62 L 27 62" stroke="#0284c7" stroke-width="2" marker-end="url(#arr)" stroke-linecap="round"/>
          <path d="M 78 62 L 73 62" stroke="#0284c7" stroke-width="2" marker-end="url(#arr)" stroke-linecap="round"/>
        </svg>
      </div>
    </div>

    
    <div class="stage-card" id="card-1" onclick="goToStep(1)">
      <div class="stage-title">2. Root Grows</div>
      <div class="stage-visual">
        <svg viewBox="0 0 100 100">
          
          <line x1="5" y1="35" x2="95" y2="35" stroke="#a16207" stroke-width="2" stroke-dasharray="3,3" />

          
          <ellipse cx="50" cy="52" rx="19" ry="15" fill="#ca8a04" stroke="#854d0e" stroke-width="2" />
          <path d="M 48 40 Q 53 52 49 64" fill="none" stroke="#ffffff" stroke-width="3" stroke-linecap="round" />

          
          <path d="M 49 62 Q 52 74 48 90" fill="none" stroke="#f8fafc" stroke-width="4" stroke-linecap="round" />
          <path d="M 49 62 Q 52 74 48 90" fill="none" stroke="#cbd5e1" stroke-width="1.5" stroke-linecap="round" />
          
          
          <path d="M 68 70 L 68 84 M 64 80 L 68 85 L 72 80" fill="none" stroke="#16a34a" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
        </svg>
      </div>
    </div>

    
    <div class="stage-card" id="card-2" onclick="goToStep(2)">
      <div class="stage-title">3. Shoot Grows</div>
      <div class="stage-visual">
        <svg viewBox="0 0 100 100">
          
          <line x1="5" y1="35" x2="95" y2="35" stroke="#a16207" stroke-width="2" stroke-dasharray="3,3" />

          
          <ellipse cx="52" cy="50" rx="13" ry="10" fill="#a16207" stroke="#713f12" stroke-width="1.5" />

          
          <path d="M 48 48 Q 42 30 50 14" fill="none" stroke="#22c55e" stroke-width="3.5" stroke-linecap="round" />
          
          <ellipse cx="43" cy="14" rx="6" ry="3" fill="#16a34a" transform="rotate(-25 43 14)" />
          <ellipse cx="57" cy="14" rx="6" ry="3" fill="#16a34a" transform="rotate(25 57 14)" />

          
          <path d="M 50 58 Q 53 72 49 92" fill="none" stroke="#e2e8f0" stroke-width="3" stroke-linecap="round" />
          <path d="M 51 72 Q 41 78 37 84" fill="none" stroke="#e2e8f0" stroke-width="2" stroke-linecap="round" />
          <path d="M 50 78 Q 60 84 64 90" fill="none" stroke="#e2e8f0" stroke-width="2" stroke-linecap="round" />

          
          <path d="M 28 28 L 28 14 M 24 18 L 28 13 L 32 18" fill="none" stroke="#16a34a" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
        </svg>
      </div>
    </div>
  </div>

  
  <div class="controls">
    <button class="ctrl-btn" onclick="prevStep()">◀</button>
    <button class="ctrl-btn" id="playBtn" onclick="togglePlay()">⏸</button>
    <button class="ctrl-btn" onclick="nextStep()">▶</button>
  </div>

  <script>
    let currentStep = 0;
    let timer = null;
    let playing = true;

    function updateCards() {
      for (let i = 0; i < 3; i++) {
        const card = document.getElementById('card-' + i);
        if (card) {
          if (i === currentStep) {
            card.classList.add('active');
          } else {
            card.classList.remove('active');
          }
        }
      }
    }

    function goToStep(idx) {
      currentStep = idx;
      updateCards();
    }

    function nextStep() {
      currentStep = (currentStep + 1) % 3;
      updateCards();
    }

    function prevStep() {
      currentStep = (currentStep - 1 + 3) % 3;
      updateCards();
    }

    function togglePlay() {
      playing = !playing;
      document.getElementById('playBtn').textContent = playing ? '⏸' : '▶';
      if (playing) startTimer();
      else clearInterval(timer);
    }

    function startTimer() {
      clearInterval(timer);
      timer = setInterval(() => {
        if (playing) nextStep();
      }, 3000);
    }

    startTimer();
  </script>
</body>
</html>

What Seeds Need to Germinate: Water and Warmth

<!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, sans-serif;
      background: #f8fafc;
      color: #1e293b;
      padding: 12px;
      display: flex;
      flex-direction: column;
      height: 100%;
      user-select: none;
    }

    .grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      flex: 1;
      min-height: 0;
    }

    @media (max-width: 480px) {
      .grid {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
      }
    }

    .panel {
      position: relative;
      border-radius: 14px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border: 1px solid #e2e8f0;
      background: #fff;
    }

    .panel-header {
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: space-between;
      z-index: 2;
    }

    .tag-seed {
      background: #fef3c7;
      color: #92400e;
      border-radius: 999px;
      padding: 2px 8px;
      font-size: 11px;
    }

    .tag-plant {
      background: #dcfce7;
      color: #166534;
      border-radius: 999px;
      padding: 2px 8px;
      font-size: 11px;
    }

    .scene {
      flex: 1;
      position: relative;
      width: 100%;
      min-height: 120px;
    }

    .panel-footer {
      padding: 8px 10px;
      background: rgba(255, 255, 255, 0.95);
      border-top: 1px solid rgba(0, 0, 0, 0.06);
      z-index: 2;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .pill-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      font-weight: 600;
    }

    .badge-need {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: #f1f5f9;
      padding: 3px 7px;
      border-radius: 6px;
      font-size: 11px;
      color: #334155;
    }

    .badge-no {
      opacity: 0.55;
      text-decoration: line-through;
    }

    svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    .pulse {
      animation: pulse 3s ease-in-out infinite;
    }

    .sun-ray {
      animation: rays 4s ease-in-out infinite alternate;
      transform-origin: 20px 20px;
    }

    @keyframes pulse {
      0%, 100% { opacity: 0.7; transform: scale(1); }
      50% { opacity: 1; transform: scale(1.03); }
    }

    @keyframes rays {
      0% { opacity: 0.6; }
      100% { opacity: 1; }
    }
  </style>
</head>
<body>

  <div class="grid">
    
    <div class="panel">
      <div class="panel-header" style="background: #fdf6ec;">
        <span>🌱 Germinating</span>
        <span class="tag-seed">Food store</span>
      </div>

      <div class="scene">
        <svg viewBox="0 0 200 160" preserveAspectRatio="xMidYMid meet">
          
          <defs>
            <linearGradient id="soilGrad" x1="0" y1="0" x2="0" y2="1">
              <stop offset="0%" stop-color="#78533b" />
              <stop offset="100%" stop-color="#4a3122" />
            </linearGradient>
            <radialGradient id="warmthGlow" cx="50%" cy="50%" r="50%">
              <stop offset="0%" stop-color="#f97316" stop-opacity="0.35" />
              <stop offset="100%" stop-color="#f97316" stop-opacity="0" />
            </radialGradient>
          </defs>

          
          <rect x="0" y="0" width="200" height="15" fill="#65a30d" opacity="0.4" />
          <rect x="0" y="15" width="200" height="145" fill="url(#soilGrad)" />

          
          <circle cx="35" cy="40" r="1.5" fill="#382317" />
          <circle cx="165" cy="55" r="1.5" fill="#382317" />
          <circle cx="45" cy="120" r="2" fill="#382317" />
          <circle cx="170" cy="115" r="1.5" fill="#382317" />

          
          <circle cx="100" cy="80" r="60" fill="url(#warmthGlow)" class="pulse" />

          
          <g fill="#38bdf8" opacity="0.85">
            <path d="M40,65 C40,60 45,52 45,52 C45,52 50,60 50,65 A5,5 0 0,1 40,65 Z" />
            <path d="M150,85 C150,81 154,75 154,75 C154,75 158,81 158,85 A4,4 0 0,1 150,85 Z" />
            <path d="M60,110 C60,107 63,102 63,102 C63,102 66,107 66,110 A3,3 0 0,1 60,110 Z" />
          </g>

          
          <g transform="translate(100, 75)">
            
            <path d="M 5,8 Q 8,28 -4,45 Q -10,55 -8,65" fill="none" stroke="#fef08a" stroke-width="4.5" stroke-linecap="round" />
            <path d="M -4,45 Q 10,52 14,60" fill="none" stroke="#fef08a" stroke-width="2.5" stroke-linecap="round" />
            
            
            <path d="M -6,-5 Q -12,-20 -2,-32" fill="none" stroke="#a3e635" stroke-width="4" stroke-linecap="round" />

            
            <ellipse cx="0" cy="0" rx="22" ry="16" fill="#ca8a04" transform="rotate(-15)" />
            
            <ellipse cx="1" cy="-1" rx="17" ry="12" fill="#fef08a" transform="rotate(-15)" />
            
            <path d="M-6,-4 Q0,2 2,10" fill="none" stroke="#ca8a04" stroke-width="2" />
          </g>
        </svg>
      </div>

      <div class="panel-footer">
        <div class="pill-row">
          <span class="badge-need">💧 Water + 🌡️ Warmth</span>
          <span class="badge-need badge-no">☀️ Light</span>
        </div>
      </div>
    </div>

    
    <div class="panel">
      <div class="panel-header" style="background: #f0fdf4;">
        <span>🌿 Growing</span>
        <span class="tag-plant">Makes food</span>
      </div>

      <div class="scene">
        <svg viewBox="0 0 200 160" preserveAspectRatio="xMidYMid meet">
          <defs>
            <linearGradient id="skyGrad" x1="0" y1="0" x2="0" y2="1">
              <stop offset="0%" stop-color="#bae6fd" />
              <stop offset="100%" stop-color="#f0f9ff" />
            </linearGradient>
            <linearGradient id="plantSoil" x1="0" y1="0" x2="0" y2="1">
              <stop offset="0%" stop-color="#78533b" />
              <stop offset="100%" stop-color="#4a3122" />
            </linearGradient>
          </defs>

          
          <rect x="0" y="0" width="200" height="90" fill="url(#skyGrad)" />
          
          
          <g transform="translate(165, 25)">
            <circle cx="0" cy="0" r="14" fill="#facc15" />
            <g stroke="#facc15" stroke-width="2" stroke-linecap="round" class="sun-ray">
              <line x1="0" y1="-20" x2="0" y2="-24" />
              <line x1="14" y1="-14" x2="18" y2="-18" />
              <line x1="20" y1="0" x2="24" y2="0" />
              <line x1="14" y1="14" x2="18" y2="18" />
              <line x1="-14" y1="14" x2="-18" y2="18" />
              <line x1="-20" y1="0" x2="-24" y2="0" />
              <line x1="-14" y1="-14" x2="-18" y2="-18" />
            </g>
          </g>

          
          <path d="M 148,35 L 115,55" stroke="#fde047" stroke-width="2" stroke-dasharray="3 3" opacity="0.8" />
          <path d="M 140,45 L 90,62" stroke="#fde047" stroke-width="2" stroke-dasharray="3 3" opacity="0.8" />

          
          <path d="M 20,40 Q 35,32 50,42 T 75,38" fill="none" stroke="#94a3b8" stroke-width="1.5" stroke-linecap="round" opacity="0.6" />

          
          <rect x="0" y="90" width="200" height="70" fill="url(#plantSoil)" />
          <line x1="0" y1="90" x2="200" y2="90" stroke="#65a30d" stroke-width="3" />

          
          <g stroke="#fef08a" fill="none" stroke-linecap="round">
            <path d="M 100,90 Q 98,115 94,140" stroke-width="3.5" />
            <path d="M 98,105 Q 80,118 72,132" stroke-width="2" />
            <path d="M 96,115 Q 112,125 122,138" stroke-width="2" />
            <path d="M 95,128 Q 88,142 82,150" stroke-width="1.5" />
          </g>

          
          <g>
            
            <path d="M 100,90 Q 99,55 98,38" fill="none" stroke="#4ade80" stroke-width="4.5" stroke-linecap="round" />

            
            <path d="M 98,58 C 75,50 62,62 60,68 C 75,75 92,66 98,58 Z" fill="#22c55e" stroke="#16a34a" stroke-width="1" />
            
            <path d="M 98,48 C 120,38 135,48 138,56 C 122,64 105,56 98,48 Z" fill="#22c55e" stroke="#16a34a" stroke-width="1" />
            
            <path d="M 98,38 C 92,26 98,20 98,20 C 98,20 104,26 98,38 Z" fill="#86efac" />
          </g>
        </svg>
      </div>

      <div class="panel-footer">
        <div class="pill-row">
          <span class="badge-need">☀️ Sun + 💧 Water + 💨 Air</span>
        </div>
      </div>
    </div>
  </div>

</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: #f8fafc;
      color: #1e293b;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      min-height: 100%;
      padding: 12px 10px;
      user-select: none;
    }

    /* Controls header */
    .controls {
      display: flex;
      gap: 8px;
      margin-bottom: 8px;
      z-index: 10;
    }

    .toggle-btn {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      padding: 6px 14px;
      font-size: 14px;
      font-weight: 600;
      color: #475569;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 1px 2px rgba(0,0,0,0.05);
      transition: all 0.25s ease;
    }

    .toggle-btn.active {
      background: #0284c7;
      color: #ffffff;
      border-color: #0284c7;
      box-shadow: 0 2px 6px rgba(2,132,199,0.3);
    }

    /* Main visual container */
    .stage {
      position: relative;
      width: 100%;
      max-width: 520px;
      aspect-ratio: 4 / 3;
      border-radius: 12px;
      overflow: hidden;
      transition: background-color 0.4s ease;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .stage.dark-mode {
      background: #1e293b;
    }

    svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    /* Interactive / animated elements */
    .callout-pill {
      font-size: 13px;
      font-weight: 700;
      fill: #0f172a;
    }

    .callout-bg {
      fill: #ffffff;
      stroke: #cbd5e1;
      stroke-width: 1.5;
      filter: drop-shadow(0 2px 4px rgba(0,0,0,0.08));
      rx: 14;
    }

    .dark-mode .callout-bg {
      fill: #334155;
      stroke: #475569;
    }

    .dark-mode .callout-pill {
      fill: #f8fafc;
    }

    .pointer-line {
      stroke: #0284c7;
      stroke-width: 2;
      stroke-dasharray: 4 3;
    }

    .dark-mode .pointer-line {
      stroke: #38bdf8;
    }

    .damp-pulse {
      animation: dampGlow 3s ease-in-out infinite alternate;
    }

    @keyframes dampGlow {
      0% { opacity: 0.75; }
      100% { opacity: 0.95; }
    }

    .seed-shadow {
      filter: drop-shadow(0 4px 6px rgba(0,0,0,0.18));
    }
  </style>
</head>
<body>

  
  <div class="controls">
    <button class="toggle-btn active" id="btnLight" onclick="setMode('light')">
      ☀️ Light Window
    </button>
    <button class="toggle-btn" id="btnDark" onclick="setMode('dark')">
      🚪 Dark Cupboard
    </button>
  </div>

  <div class="stage" id="stage">
    <svg viewBox="0 0 500 375">
      <defs>
        
        <linearGradient id="bagGrad" x1="0%" y1="0%" x2="100%" y2="100%">
          <stop offset="0%" stop-color="#ffffff" stop-opacity="0.6"/>
          <stop offset="30%" stop-color="#ffffff" stop-opacity="0.15"/>
          <stop offset="70%" stop-color="#38bdf8" stop-opacity="0.08"/>
          <stop offset="100%" stop-color="#ffffff" stop-opacity="0.4"/>
        </linearGradient>

        
        <linearGradient id="towelGrad" x1="0%" y1="0%" x2="0%" y2="100%">
          <stop offset="0%" stop-color="#e0f2fe"/>
          <stop offset="50%" stop-color="#bae6fd"/>
          <stop offset="100%" stop-color="#93c5fd"/>
        </linearGradient>

        
        <radialGradient id="beanGrad" cx="35%" cy="35%" r="65%">
          <stop offset="0%" stop-color="#b45309"/>
          <stop offset="60%" stop-color="#78350f"/>
          <stop offset="100%" stop-color="#451a03"/>
        </radialGradient>

        
        <linearGradient id="rootGrad" x1="0%" y1="0%" x2="0%" y2="100%">
          <stop offset="0%" stop-color="#fef08a"/>
          <stop offset="40%" stop-color="#fef9c3"/>
          <stop offset="100%" stop-color="#ecfdf5"/>
        </linearGradient>
      </defs>

      
      <g opacity="0.3">
        <line x1="50" y1="0" x2="50" y2="375" stroke="#94a3b8" stroke-width="1"/>
        <line x1="450" y1="0" x2="450" y2="375" stroke="#94a3b8" stroke-width="1"/>
      </g>

      
      <polygon points="175,45 225,45 220,70 170,70" fill="#fef08a" opacity="0.75" />
      <polygon points="275,45 325,45 330,70 280,70" fill="#fef08a" opacity="0.75" />

      
      <rect x="150" y="60" width="200" height="250" rx="10" fill="url(#bagGrad)" stroke="#94a3b8" stroke-width="1.5" />
      
      
      <line x1="150" y1="78" x2="350" y2="78" stroke="#0284c7" stroke-width="3" stroke-linecap="round"/>
      <line x1="150" y1="83" x2="350" y2="83" stroke="#ef4444" stroke-width="2" stroke-linecap="round"/>

      
      <g class="damp-pulse">
        <rect x="165" y="105" width="170" height="190" rx="6" fill="url(#towelGrad)" stroke="#60a5fa" stroke-width="1"/>
        
        <line x1="165" y1="145" x2="335" y2="145" stroke="#3b82f6" stroke-width="0.5" stroke-dasharray="3 3" opacity="0.4"/>
        <line x1="165" y1="190" x2="335" y2="190" stroke="#3b82f6" stroke-width="0.5" stroke-dasharray="3 3" opacity="0.4"/>
        <line x1="165" y1="235" x2="335" y2="235" stroke="#3b82f6" stroke-width="0.5" stroke-dasharray="3 3" opacity="0.4"/>
      </g>

      

      
      <g class="seed-shadow">
        
        <path d="M 195 160 Q 185 190 190 220 T 182 255" fill="none" stroke="url(#rootGrad)" stroke-width="4.5" stroke-linecap="round" />
        <path d="M 188 205 Q 178 215 174 220" fill="none" stroke="#fef9c3" stroke-width="1.8" stroke-linecap="round" />
        <path d="M 190 230 Q 198 240 200 248" fill="none" stroke="#fef9c3" stroke-width="1.8" stroke-linecap="round" />
        
        <path d="M 190 142 C 180 142 175 152 180 162 C 185 172 205 170 208 160 C 210 148 200 142 190 142 Z" fill="url(#beanGrad)"/>
        <ellipse cx="192" cy="153" rx="2" ry="4" fill="#ffffff" opacity="0.8"/>
      </g>

      
      <g class="seed-shadow">
        
        <path d="M 252 165 Q 260 200 252 235 T 256 270" fill="none" stroke="url(#rootGrad)" stroke-width="5" stroke-linecap="round" />
        <path d="M 256 210 Q 268 220 272 225" fill="none" stroke="#fef9c3" stroke-width="1.8" stroke-linecap="round" />
        <path d="M 253 240 Q 242 250 240 258" fill="none" stroke="#fef9c3" stroke-width="1.8" stroke-linecap="round" />
        
        <path d="M 248 147 C 238 147 233 157 238 167 C 243 177 263 175 266 165 C 268 153 258 147 248 147 Z" fill="url(#beanGrad)"/>
        <ellipse cx="250" cy="158" rx="2" ry="4" fill="#ffffff" opacity="0.8"/>
      </g>

      
      <g class="seed-shadow">
        
        <path d="M 305 162 Q 295 195 302 228 T 300 262" fill="none" stroke="url(#rootGrad)" stroke-width="4.5" stroke-linecap="round" />
        <path d="M 298 205 Q 288 215 284 220" fill="none" stroke="#fef9c3" stroke-width="1.8" stroke-linecap="round" />
        <path d="M 302 235 Q 312 245 315 252" fill="none" stroke="#fef9c3" stroke-width="1.8" stroke-linecap="round" />
        
        <path d="M 303 144 C 293 144 288 154 293 164 C 298 174 318 172 321 162 C 323 150 313 144 303 144 Z" fill="url(#beanGrad)"/>
        <ellipse cx="305" cy="155" rx="2" ry="4" fill="#ffffff" opacity="0.8"/>
      </g>

      
      <path d="M 155 90 L 190 90 L 165 300 L 155 300 Z" fill="#ffffff" opacity="0.12"/>

      
      <g>
        <line x1="90" y1="210" x2="165" y2="210" class="pointer-line" />
        <circle cx="165" cy="210" r="3.5" fill="#0284c7" />
        <rect x="18" y="195" width="108" height="30" class="callout-bg" />
        <text x="72" y="215" text-anchor="middle" class="callout-pill">💧 Water</text>
      </g>

      
      <g>
        <line x1="410" y1="130" x2="350" y2="130" class="pointer-line" />
        <circle cx="350" cy="130" r="3.5" fill="#0284c7" />
        <rect x="375" y="115" width="112" height="30" class="callout-bg" />
        <text x="431" y="135" text-anchor="middle" class="callout-pill">🌡️ Warmth</text>
      </g>

      
      <g>
        <line x1="400" y1="260" x2="270" y2="260" class="pointer-line" />
        <circle cx="270" cy="260" r="3.5" fill="#0284c7" />
        <rect x="355" y="245" width="135" height="30" class="callout-bg" />
        <text x="422" y="265" text-anchor="middle" class="callout-pill">🌱 Sprouted Root</text>
      </g>
    </svg>
  </div>

  <script>
    function setMode(mode) {
      const stage = document.getElementById('stage');
      const btnLight = document.getElementById('btnLight');
      const btnDark = document.getElementById('btnDark');

      if (mode === 'dark') {
        stage.classList.add('dark-mode');
        btnDark.classList.add('active');
        btnLight.classList.remove('active');
      } else {
        stage.classList.remove('dark-mode');
        btnLight.classList.add('active');
        btnDark.classList.remove('active');
      }
    }
  </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>Bean Seed Anatomy</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #f8fafc;
      color: #1e293b;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 12px 16px;
      user-select: none;
      -webkit-user-select: none;
      min-height: auto;
    }

    .container {
      width: 100%;
      max-width: 520px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
    }

    .header-text {
      text-align: center;
    }

    .header-text h1 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
    }

    .header-text p {
      font-size: 13px;
      color: #64748b;
      margin-top: 2px;
    }

    .diagram-container {
      position: relative;
      width: 100%;
      max-width: 460px;
      aspect-ratio: 460 / 250;
    }

    svg {
      width: 100%;
      height: 100%;
      overflow: visible;
      display: block;
    }

    /* Seed Anatomy SVG Styles */
    .part-interactive {
      cursor: pointer;
      transition: filter 0.2s ease, opacity 0.2s ease;
    }

    .seed-coat {
      fill: none;
      stroke: #d97706;
      stroke-width: 13;
      stroke-linecap: round;
      stroke-linejoin: round;
      transition: stroke 0.2s ease, stroke-width 0.2s ease, filter 0.2s ease;
    }

    .food-store {
      fill: #fef08a;
      stroke: #eab308;
      stroke-width: 2.5;
      transition: fill 0.2s ease, stroke 0.2s ease, filter 0.2s ease;
    }

    .embryo-stem {
      fill: none;
      stroke: #22c55e;
      stroke-width: 7;
      stroke-linecap: round;
      transition: stroke 0.2s ease, stroke-width 0.2s ease, filter 0.2s ease;
    }

    .embryo-leaf {
      fill: #16a34a;
      transition: fill 0.2s ease, filter 0.2s ease;
    }

    /* SVG Callout Badges & Lines */
    .callout-group {
      cursor: pointer;
      transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .callout-line {
      fill: none;
      stroke-width: 2;
      stroke-dasharray: 4 3;
      transition: stroke-width 0.2s ease, stroke 0.2s ease, opacity 0.2s ease;
    }

    .callout-box {
      rx: 6;
      ry: 6;
      stroke-width: 1.5;
      transition: fill 0.2s ease, stroke 0.2s ease;
    }

    .callout-text {
      font-family: inherit;
      font-size: 11px;
      font-weight: 700;
      dominant-baseline: middle;
      text-anchor: middle;
      pointer-events: none;
    }

    /* Active Highlight States */
    .active-coat #svgCoat {
      stroke: #b45309;
      stroke-width: 15;
      filter: drop-shadow(0 0 5px rgba(217, 119, 6, 0.6));
    }

    .active-food #svgFood {
      fill: #fde047;
      stroke: #ca8a04;
      filter: drop-shadow(0 0 5px rgba(234, 179, 8, 0.45));
    }

    .active-embryo #svgEmbryo .embryo-stem {
      stroke: #15803d;
      stroke-width: 9;
      filter: drop-shadow(0 0 5px rgba(34, 197, 94, 0.7));
    }
    .active-embryo #svgEmbryo .embryo-leaf {
      fill: #14532d;
      filter: drop-shadow(0 0 3px rgba(34, 197, 94, 0.6));
    }

    /* Interactive Buttons Row */
    .cards-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
      width: 100%;
    }

    .part-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      padding: 8px 6px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      cursor: pointer;
      transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .part-card:hover {
      border-color: #cbd5e1;
      background: #fdfdfd;
    }

    .part-card.active {
      background: #ffffff;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
    }

    .part-card[data-part="coat"].active {
      border-color: #d97706;
      background: #fffbeb;
    }
    .part-card[data-part="food"].active {
      border-color: #eab308;
      background: #fefce8;
    }
    .part-card[data-part="embryo"].active {
      border-color: #22c55e;
      background: #f0fdf4;
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      margin-bottom: 3px;
    }

    .card-title {
      font-size: 13px;
      font-weight: 700;
      line-height: 1.2;
      color: #0f172a;
    }

    .card-subtitle {
      font-size: 11px;
      color: #64748b;
      margin-top: 1px;
    }

    /* Info Panel for detail description */
    .info-panel {
      width: 100%;
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: 10px;
      padding: 10px 14px;
      display: flex;
      align-items: center;
      gap: 10px;
      transition: border-color 0.2s ease, background-color 0.2s ease;
    }

    .info-indicator {
      width: 6px;
      height: 32px;
      border-radius: 3px;
      flex-shrink: 0;
      transition: background-color 0.2s ease;
    }

    .info-text-title {
      font-size: 13px;
      font-weight: 700;
      color: #0f172a;
      line-height: 1.2;
    }

    .info-text-desc {
      font-size: 12px;
      color: #475569;
      line-height: 1.3;
      margin-top: 2px;
    }

    @media (max-width: 380px) {
      body {
        padding: 8px 10px;
      }
      .card-title {
        font-size: 12px;
      }
      .card-subtitle {
        font-size: 10px;
      }
      .info-text-desc {
        font-size: 11px;
      }
    }
  </style>
</head>
<body>

  <div class="container">
    <div class="header-text">
      <h1>Bean Seed Structure</h1>
      <p>Click any part or label to explore its function</p>
    </div>

    
    <div class="diagram-container" id="seedView">
      <svg viewBox="0 0 460 240">
        
        <g id="svgFood" class="part-interactive">
          <path class="food-store"
            d="M 170,45 
               C 275,20 375,60 370,140 
               C 365,200 270,225 190,215 
               C 140,210 115,165 130,120 
               C 145,90 148,65 170,45 Z" />
          
          <path d="M 185,68 C 260,50 330,85 330,135 C 330,180 260,195 200,188"
            fill="none" stroke="#fef08a" stroke-width="2.5" stroke-linecap="round" opacity="0.9" />
        </g>

        
        <g id="svgEmbryo" class="part-interactive">
          
          <path class="embryo-stem" d="M 148,110 Q 132,135 140,162" />
          
          <path class="embryo-stem" d="M 148,110 Q 155,92 172,82" />
          <ellipse class="embryo-leaf" cx="174" cy="80" rx="9" ry="5.5" transform="rotate(-30 174 80)" />
          <ellipse class="embryo-leaf" cx="178" cy="88" rx="7" ry="4.5" transform="rotate(15 178 88)" />
        </g>

        
        <path id="svgCoat" class="part-interactive seed-coat"
          d="M 170,40 
             C 280,14 384,55 378,142 
             C 373,206 274,231 188,221 
             C 134,215 107,166 123,118 
             C 140,86 146,58 170,40 Z" />

        
        <g id="calloutCoat" class="callout-group" onclick="selectPart('coat')">
          <polyline class="callout-line" id="lineCoat" points="305,32 375,32 400,42" stroke="#d97706" />
          <circle id="dotCoat" cx="305" cy="32" r="3.5" fill="#d97706" />
          <g transform="translate(350, 44)">
            <rect id="boxCoat" class="callout-box" x="0" y="0" width="86" height="24" fill="#fffbeb" stroke="#d97706" />
            <text id="textCoat" class="callout-text" x="43" y="12" fill="#92400e">Seed Coat</text>
          </g>
        </g>

        
        <g id="calloutFood" class="callout-group" onclick="selectPart('food')">
          <polyline class="callout-line" id="lineFood" points="290,150 355,178 385,178" stroke="#ca8a04" />
          <circle id="dotFood" cx="290" cy="150" r="3.5" fill="#ca8a04" />
          <g transform="translate(345, 186)">
            <rect id="boxFood" class="callout-box" x="0" y="0" width="88" height="24" fill="#fefce8" stroke="#ca8a04" />
            <text id="textFood" class="callout-text" x="44" y="12" fill="#854d0e">Food Store</text>
          </g>
        </g>

        
        <g id="calloutEmbryo" class="callout-group" onclick="selectPart('embryo')">
          <polyline class="callout-line" id="lineEmbryo" points="144,116 80,116" stroke="#16a34a" />
          <circle id="dotEmbryo" cx="144" cy="116" r="3.5" fill="#16a34a" />
          <g transform="translate(10, 104)">
            <rect id="boxEmbryo" class="callout-box" x="0" y="0" width="70" height="24" fill="#f0fdf4" stroke="#16a34a" />
            <text id="textEmbryo" class="callout-text" x="35" y="12" fill="#166534">Embryo</text>
          </g>
        </g>
      </svg>
    </div>

    
    <div class="cards-row">
      <div class="part-card active" data-part="coat" id="cardCoat" onclick="selectPart('coat')">
        <div class="badge-dot" style="background: #d97706;"></div>
        <div class="card-title">Seed Coat</div>
        <div class="card-subtitle">Outer Skin</div>
      </div>

      <div class="part-card" data-part="food" id="cardFood" onclick="selectPart('food')">
        <div class="badge-dot" style="background: #eab308;"></div>
        <div class="card-title">Food Store</div>
        <div class="card-subtitle">Cotyledon</div>
      </div>

      <div class="part-card" data-part="embryo" id="cardEmbryo" onclick="selectPart('embryo')">
        <div class="badge-dot" style="background: #22c55e;"></div>
        <div class="card-title">Embryo</div>
        <div class="card-subtitle">Baby Plant</div>
      </div>
    </div>

    
    <div class="info-panel" id="infoPanel">
      <div class="info-indicator" id="infoIndicator" style="background-color: #d97706;"></div>
      <div>
        <div class="info-text-title" id="infoTitle">1. Seed Coat (Testa)</div>
        <div class="info-text-desc" id="infoDesc">Outer protective skin that protects the delicate inner seed from damage, insects, and drying out.</div>
      </div>
    </div>
  </div>

  <script>
    const data = {
      coat: {
        title: '1. Seed Coat (Testa)',
        desc: 'Outer protective skin that shields the inner baby plant and food store from physical damage, disease, and drying out.',
        color: '#d97706',
        cardBg: '#fffbeb',
        panelBorder: '#fde68a'
      },
      food: {
        title: '2. Food Store (Cotyledon)',
        desc: 'Large fleshy part packed with stored nutrients (starch and protein) that feeds the young seedling until it can make its own food.',
        color: '#ca8a04',
        cardBg: '#fefce8',
        panelBorder: '#fef08a'
      },
      embryo: {
        title: '3. Embryo (Baby Plant)',
        desc: 'The tiny baby plant inside consisting of a plumule (mini shoot/leaves) and a radicle (mini root) ready to grow during germination.',
        color: '#16a34a',
        cardBg: '#f0fdf4',
        panelBorder: '#bbf7d0'
      }
    };

    const seedView = document.getElementById('seedView');
    const cards = document.querySelectorAll('.part-card');
    const callouts = {
      coat: document.getElementById('calloutCoat'),
      food: document.getElementById('calloutFood'),
      embryo: document.getElementById('calloutEmbryo')
    };

    const infoPanel = document.getElementById('infoPanel');
    const infoIndicator = document.getElementById('infoIndicator');
    const infoTitle = document.getElementById('infoTitle');
    const infoDesc = document.getElementById('infoDesc');

    function selectPart(part) {
      // Update seed classes for glow/stroke emphasis
      seedView.className = 'diagram-container active-' + part;

      // Update interactive card buttons
      cards.forEach(c => {
        if (c.dataset.part === part) {
          c.classList.add('active');
        } else {
          c.classList.remove('active');
        }
      });

      // Update callout lines & labels on SVG
      Object.keys(callouts).forEach(k => {
        const isCurrent = (k === part);
        callouts[k].style.opacity = isCurrent ? '1' : '0.4';
      });

      // Update info panel content
      const info = data[part];
      infoTitle.textContent = info.title;
      infoDesc.textContent = info.desc;
      infoIndicator.style.backgroundColor = info.color;
      infoPanel.style.borderColor = info.panelBorder;
      infoPanel.style.backgroundColor = info.cardBg;
    }

    // Attach click handlers to the SVG seed parts
    document.getElementById('svgCoat').addEventListener('click', () => selectPart('coat'));
    document.getElementById('svgFood').addEventListener('click', () => selectPart('food'));
    document.getElementById('svgEmbryo').addEventListener('click', () => selectPart('embryo'));

    // Start with Seed Coat selected
    selectPart('coat');
  </script>
</body>
</html>

science.ks1.y2.t2.s2

Aligned learning resources

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