<!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="1:1">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      user-select: none;
      -webkit-user-select: none;
    }

    body {
      width: 100%;
      background: #ffffff;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 8px 12px;
    }

    /* Interactive filter buttons */
    .controls {
      display: flex;
      gap: 6px;
      margin-bottom: 8px;
      width: 100%;
      max-width: 420px;
      justify-content: center;
    }

    .tab-btn {
      flex: 1;
      padding: 6px 4px;
      font-size: 13px;
      font-weight: 700;
      border: 1.5px solid #e2e8f0;
      border-radius: 8px;
      background: #f8fafc;
      color: #64748b;
      cursor: pointer;
      text-align: center;
      transition: all 0.2s ease;
    }

    .tab-btn.active[data-pos="all"] {
      background: #0f172a;
      color: #ffffff;
      border-color: #0f172a;
    }

    .tab-btn.active[data-pos="above"] {
      background: #ea580c;
      color: #ffffff;
      border-color: #ea580c;
    }

    .tab-btn.active[data-pos="beside"] {
      background: #2563eb;
      color: #ffffff;
      border-color: #2563eb;
    }

    .tab-btn.active[data-pos="below"] {
      background: #7c3aed;
      color: #ffffff;
      border-color: #7c3aed;
    }

    /* Diagram visual container */
    .scene-wrap {
      width: 100%;
      max-width: 440px;
      aspect-ratio: 1 / 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    /* Element groups */
    .pos-group {
      cursor: pointer;
      transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .dimmed {
      opacity: 0.2;
    }

    .highlighted {
      opacity: 1;
      filter: drop-shadow(0 0 6px rgba(0, 0, 0, 0.12));
    }

    /* Indicator lines */
    .guide-line {
      stroke-dasharray: 4 4;
      stroke-width: 2;
      animation: dash 1s linear infinite;
    }

    @keyframes dash {
      to {
        stroke-dashoffset: -8;
      }
    }

    .badge-text {
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.5px;
      text-anchor: middle;
      dominant-baseline: central;
    }
  </style>
</head>
<body>

  
  <div class="controls">
    <button class="tab-btn active" data-pos="all">Show All</button>
    <button class="tab-btn" data-pos="above">Above</button>
    <button class="tab-btn" data-pos="beside">Beside</button>
    <button class="tab-btn" data-pos="below">Below</button>
  </div>

  
  <div class="scene-wrap">
    <svg viewBox="0 0 380 380" aria-label="Science table position diagram">
      <defs>
        
        <linearGradient id="lampGlow" x1="0" y1="0" x2="0" y2="1">
          <stop offset="0%" stop-color="#fdba74" stop-opacity="0.55"/>
          <stop offset="100%" stop-color="#fdba74" stop-opacity="0.02"/>
        </linearGradient>

        <filter id="softShadow" x="-10%" y="-10%" width="120%" height="120%">
          <feDropShadow dx="0" dy="3" stdDeviation="3" flood-opacity="0.12" />
        </filter>
      </defs>

      
      <line x1="20" y1="345" x2="360" y2="345" stroke="#cbd5e1" stroke-width="2.5" stroke-linecap="round" />

      
      
      <rect x="55" y="215" width="14" height="130" rx="3" fill="#b45309" />
      <rect x="290" y="215" width="14" height="130" rx="3" fill="#b45309" />
      
      <rect x="35" y="200" width="290" height="16" rx="4" fill="#d97706" filter="url(#softShadow)" />

      
      <g id="plantGroup">
        
        <polygon points="110,200 120,150 160,150 170,200" fill="#ea580c" />
        <rect x="114" y="145" width="52" height="7" rx="3" fill="#c2410c" />
        
        <path d="M 140,145 Q 140,105 140,90" fill="none" stroke="#15803d" stroke-width="4" stroke-linecap="round" />
        
        <path d="M 140,125 Q 110,120 108,102 Q 130,106 140,125" fill="#22c55e" />
        
        <path d="M 140,115 Q 170,110 172,92 Q 150,96 140,115" fill="#16a34a" />
        
        <path d="M 140,95 Q 130,75 140,65 Q 150,75 140,95" fill="#4ade80" />
      </g>

      
      <g class="pos-group" id="grp-above" data-pos="above">
        
        <polygon points="120,48 55,200 225,200 160,48" fill="url(#lampGlow)" pointer-events="none" />
        
        
        <line x1="140" y1="0" x2="140" y2="25" stroke="#64748b" stroke-width="2.5" />
        <path d="M 115,48 L 165,48 L 152,25 L 128,25 Z" fill="#475569" />
        
        <circle cx="140" cy="50" r="8" fill="#f59e0b" />
        <circle cx="140" cy="50" r="4" fill="#fef08a" />

        
        <line x1="195" y1="50" x2="195" y2="135" stroke="#ea580c" class="guide-line" />
        <path d="M 191,55 L 195,47 L 199,55" fill="#ea580c" />

        
        <g transform="translate(205, 34)">
          <rect x="0" y="0" width="86" height="28" rx="14" fill="#ea580c" filter="url(#softShadow)" />
          <text x="43" y="14" fill="#ffffff" class="badge-text">ABOVE ↑</text>
        </g>
      </g>

      
      <g class="pos-group" id="grp-beside" data-pos="beside">
        
        <rect x="215" y="165" width="55" height="35" rx="3" fill="#2563eb" filter="url(#softShadow)" />
        <rect x="221" y="168" width="45" height="29" rx="2" fill="#eff6ff" />
        
        <line x1="226" y1="174" x2="260" y2="174" stroke="#93c5fd" stroke-width="1.5" stroke-linecap="round" />
        <line x1="226" y1="180" x2="258" y2="180" stroke="#93c5fd" stroke-width="1.5" stroke-linecap="round" />
        <line x1="226" y1="186" x2="252" y2="186" stroke="#93c5fd" stroke-width="1.5" stroke-linecap="round" />
        
        <line x1="262" y1="198" x2="278" y2="168" stroke="#f59e0b" stroke-width="3" stroke-linecap="round" />

        
        <line x1="175" y1="182" x2="208" y2="182" stroke="#2563eb" class="guide-line" />
        <path d="M 203,178 L 210,182 L 203,186" fill="#2563eb" />

        
        <g transform="translate(282, 168)">
          <rect x="0" y="0" width="88" height="28" rx="14" fill="#2563eb" filter="url(#softShadow)" />
          <text x="44" y="14" fill="#ffffff" class="badge-text">BESIDE →</text>
        </g>
      </g>

      
      <g class="pos-group" id="grp-below" data-pos="below">
        
        <rect x="100" y="318" width="80" height="24" rx="4" fill="#6b21a8" filter="url(#softShadow)" />
        
        <rect x="104" y="321" width="72" height="10" rx="2" fill="#3b0764" />
        
        <circle cx="116" cy="318" r="3" fill="#86efac" />
        
        <circle cx="132" cy="317" r="3.5" fill="#4ade80" />
        
        <circle cx="148" cy="318" r="3" fill="#86efac" />
        
        <circle cx="164" cy="317" r="3.5" fill="#4ade80" />

        
        <line x1="140" y1="225" x2="140" y2="310" stroke="#7c3aed" class="guide-line" />
        <path d="M 136,303 L 140,311 L 144,303" fill="#7c3aed" />

        
        <g transform="translate(195, 316)">
          <rect x="0" y="0" width="86" height="28" rx="14" fill="#7c3aed" filter="url(#softShadow)" />
          <text x="43" y="14" fill="#ffffff" class="badge-text">BELOW ↓</text>
        </g>
      </g>
    </svg>
  </div>

  <script>
    const tabs = document.querySelectorAll('.tab-btn');
    const groups = document.querySelectorAll('.pos-group');

    function setActive(position) {
      // Update Buttons
      tabs.forEach(tab => {
        if (tab.dataset.pos === position) {
          tab.classList.add('active');
        } else {
          tab.classList.remove('active');
        }
      });

      // Update Visuals
      groups.forEach(grp => {
        if (position === 'all' || grp.dataset.pos === position) {
          grp.classList.remove('dimmed');
          grp.classList.add('highlighted');
        } else {
          grp.classList.add('dimmed');
          grp.classList.remove('highlighted');
        }
      });
    }

    // Button click listeners
    tabs.forEach(tab => {
      tab.addEventListener('click', () => {
        setActive(tab.dataset.pos);
      });
    });

    // Direct diagram element click listeners
    groups.forEach(grp => {
      grp.addEventListener('click', () => {
        const currentActive = document.querySelector('.tab-btn.active').dataset.pos;
        if (currentActive === grp.dataset.pos) {
          setActive('all');
        } else {
          setActive(grp.dataset.pos);
        }
      });
    });
  </script>
</body>
</html>

Describing Positions: Above, Below, and Beside

<!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="1:1">
  <title>Describing Positions: Above and Below</title>
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      width: 100%;
      height: 100%;
      background: #f0f7f6;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      padding: 12px;
      user-select: none;
      -webkit-user-select: none;
    }

    /* Interactive filter buttons for Pre-K */
    .controls {
      display: flex;
      gap: 8px;
      width: 100%;
      max-width: 420px;
      justify-content: center;
      z-index: 10;
    }

    .btn-pos {
      flex: 1;
      padding: 8px 12px;
      font-size: 15px;
      font-weight: 800;
      border: 2px solid #cbd5e1;
      border-radius: 999px;
      background: #ffffff;
      color: #475569;
      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;
    }

    .btn-pos.active-above {
      background: #fef08a;
      border-color: #eab308;
      color: #854d0e;
      box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.25);
    }

    .btn-pos.active-below {
      background: #bfdbfe;
      border-color: #3b82f6;
      color: #1e40af;
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
    }

    .btn-pos.active-all {
      background: #e2e8f0;
      border-color: #64748b;
      color: #1e2945;
    }

    /* Diagram Stage */
    .scene-container {
      position: relative;
      width: 100%;
      max-width: 440px;
      flex: 1;
      min-height: 330px;
      max-height: 440px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    /* Interactive SVG regions */
    .interactive-zone {
      cursor: pointer;
      transition: opacity 0.3s ease, filter 0.3s ease;
    }

    .dimmed {
      opacity: 0.28;
    }

    .highlighted {
      opacity: 1;
      filter: drop-shadow(0 0 6px rgba(0,0,0,0.15));
    }

    /* Label badges */
    .badge-bg {
      rx: 16px;
      ry: 16px;
      filter: drop-shadow(0 3px 6px rgba(0,0,0,0.08));
    }

    .badge-text {
      font-family: system-ui, sans-serif;
      font-weight: 900;
      font-size: 17px;
      text-anchor: middle;
      dominant-baseline: central;
      letter-spacing: 0.5px;
    }
  </style>
</head>
<body>

  
  <div class="controls">
    <button class="btn-pos active-all" id="btnAll" onclick="setMode('all')">Show All</button>
    <button class="btn-pos" id="btnAbove" onclick="setMode('above')">⬆ ABOVE</button>
    <button class="btn-pos" id="btnBelow" onclick="setMode('below')">⬇ BELOW</button>
  </div>

  
  <div class="scene-container">
    <svg viewBox="0 0 400 420" aria-label="Science table showing heat lamp above, sprout on table, and watering can below">
      <defs>
        
        <linearGradient id="lampGlow" x1="0%" y1="0%" x2="0%" y2="100%">
          <stop offset="0%" stop-color="#fef08a" stop-opacity="0.6"/>
          <stop offset="100%" stop-color="#fef08a" stop-opacity="0.0"/>
        </linearGradient>

        
        <radialGradient id="dropShadow" cx="50%" cy="50%" r="50%">
          <stop offset="0%" stop-color="#000" stop-opacity="0.15"/>
          <stop offset="100%" stop-color="#000" stop-opacity="0"/>
        </radialGradient>
      </defs>

      
      <line x1="20" y1="365" x2="380" y2="365" stroke="#cbd5e1" stroke-width="4" stroke-linecap="round"/>
      <rect x="0" y="365" width="400" height="55" fill="#e2e8f0" opacity="0.4"/>

      
      <g id="groupAbove" class="interactive-zone" onclick="setMode('above')">
        
        <polygon points="200,60 110,215 290,215" fill="url(#lampGlow)"/>

        
        <line x1="200" y1="0" x2="200" y2="30" stroke="#475569" stroke-width="3"/>
        <circle cx="200" cy="4" r="5" fill="#334155"/>

        
        <path d="M 170 60 Q 200 25 230 60 Z" fill="#facc15" stroke="#ca8a04" stroke-width="3"/>
        
        <ellipse cx="200" cy="62" rx="14" ry="7" fill="#ffffff"/>
        <ellipse cx="200" cy="62" rx="18" ry="4" fill="#fde047" opacity="0.8"/>

        
        <path d="M 160 85 L 140 110 M 240 85 L 260 110 M 200 80 L 200 112" stroke="#eab308" stroke-width="3" stroke-linecap="round"/>

        
        <g transform="translate(200, 24)">
          <rect class="badge-bg" x="-68" y="-16" width="136" height="32" fill="#fef08a" stroke="#ca8a04" stroke-width="2.5"/>
          <text class="badge-text" x="0" y="0" fill="#854d0e">⬆ ABOVE</text>
        </g>
      </g>

      
      <g id="groupTable">
        
        <ellipse cx="80" cy="365" rx="18" ry="5" fill="url(#dropShadow)"/>
        <ellipse cx="320" cy="365" rx="18" ry="5" fill="url(#dropShadow)"/>

        
        <rect x="72" y="210" width="16" height="155" rx="5" fill="#94a3b8"/>
        <rect x="312" y="210" width="16" height="155" rx="5" fill="#94a3b8"/>

        
        <rect x="40" y="200" width="320" height="18" rx="8" fill="#cbd5e1" stroke="#94a3b8" stroke-width="2"/>
        <rect x="45" y="202" width="310" height="4" rx="2" fill="#ffffff" opacity="0.6"/>

        
        
        <ellipse cx="200" cy="202" rx="28" ry="5" fill="url(#dropShadow)"/>

        
        <path d="M 180 162 L 220 162 L 214 200 L 186 200 Z" fill="#ea580c"/>
        <rect x="176" y="156" width="48" height="8" rx="3" fill="#c2410c"/>

        
        <path d="M 200 156 Q 200 135 198 120" stroke="#16a34a" stroke-width="4" stroke-linecap="round" fill="none"/>
        
        <path d="M 198 135 C 175 130 175 115 198 126 Z" fill="#22c55e" stroke="#15803d" stroke-width="1.5"/>
        
        <path d="M 198 128 C 220 120 222 105 199 118 Z" fill="#4ade80" stroke="#15803d" stroke-width="1.5"/>
      </g>

      
      <g id="groupBelow" class="interactive-zone" onclick="setMode('below')">
        
        <ellipse cx="200" cy="365" rx="42" ry="7" fill="url(#dropShadow)"/>

        
        <rect x="175" y="295" width="50" height="60" rx="14" fill="#3b82f6"/>
        <rect x="180" y="300" width="10" height="50" rx="5" fill="#60a5fa" opacity="0.6"/>

        
        <path d="M 220 330 L 252 295" stroke="#3b82f6" stroke-width="9" stroke-linecap="round"/>
        
        <ellipse cx="254" cy="293" rx="7" ry="12" fill="#2563eb" transform="rotate(35 254 293)"/>

        
        <path d="M 175 305 C 145 305 145 348 175 348" fill="none" stroke="#2563eb" stroke-width="7" stroke-linecap="round"/>

        
        <g transform="translate(200, 392)">
          <rect class="badge-bg" x="-68" y="-16" width="136" height="32" fill="#bfdbfe" stroke="#2563eb" stroke-width="2.5"/>
          <text class="badge-text" x="0" y="0" fill="#1e40af">⬇ BELOW</text>
        </g>
      </g>
    </svg>
  </div>

  <script>
    // Friendly Web Audio chime on click
    function playTone(freq, dur = 0.25) {
      try {
        const AudioCtx = window.AudioContext || window.webkitAudioContext;
        if (!AudioCtx) return;
        const ctx = new AudioCtx();
        const osc = ctx.createOscillator();
        const gain = ctx.createGain();
        osc.type = 'sine';
        osc.frequency.setValueAtTime(freq, ctx.currentTime);
        gain.gain.setValueAtTime(0.18, ctx.currentTime);
        gain.gain.exponentialRampToValueAtTime(0.001, ctx.currentTime + dur);
        osc.connect(gain);
        gain.connect(ctx.destination);
        osc.start();
        osc.stop(ctx.currentTime + dur);
      } catch (e) {}
    }

    function setMode(mode) {
      const gAbove = document.getElementById('groupAbove');
      const gBelow = document.getElementById('groupBelow');
      const btnAll = document.getElementById('btnAll');
      const btnAbove = document.getElementById('btnAbove');
      const btnBelow = document.getElementById('btnBelow');

      // Reset classes
      btnAll.className = 'btn-pos';
      btnAbove.className = 'btn-pos';
      btnBelow.className = 'btn-pos';

      gAbove.classList.remove('dimmed', 'highlighted');
      gBelow.classList.remove('dimmed', 'highlighted');

      if (mode === 'above') {
        playTone(587.33); // D5 high pitch for ABOVE
        btnAbove.classList.add('active-above');
        gAbove.classList.add('highlighted');
        gBelow.classList.add('dimmed');
      } else if (mode === 'below') {
        playTone(293.66); // D4 lower pitch for BELOW
        btnBelow.classList.add('active-below');
        gBelow.classList.add('highlighted');
        gAbove.classList.add('dimmed');
      } else {
        playTone(440); // A4
        btnAll.classList.add('active-all');
        gAbove.classList.add('highlighted');
        gBelow.classList.add('highlighted');
      }
    }
  </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: #f8fafc;
      color: #1e293b;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 12px;
      user-select: none;
    }

    .scene-wrap {
      width: 100%;
      max-width: 560px;
      position: relative;
    }

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

    /* Calming Bubble Animation */
    @keyframes rise {
      0% {
        transform: translateY(0);
        opacity: 0;
      }
      30% {
        opacity: 0.8;
      }
      80% {
        opacity: 0.8;
      }
      100% {
        transform: translateY(-55px);
        opacity: 0;
      }
    }

    .bubble-1 {
      animation: rise 3s infinite ease-in;
    }
    .bubble-2 {
      animation: rise 2.6s infinite ease-in 1s;
    }
    .bubble-3 {
      animation: rise 3.4s infinite ease-in 1.8s;
    }

    /* Subtle Arrow Pulse */
    @keyframes glowPulse {
      0%, 100% {
        stroke-opacity: 0.7;
        filter: drop-shadow(0 0 2px rgba(2, 132, 199, 0.4));
      }
      50% {
        stroke-opacity: 1;
        filter: drop-shadow(0 0 6px rgba(2, 132, 199, 0.8));
      }
    }

    .arrow-glow {
      animation: glowPulse 2.5s infinite ease-in-out;
    }

    /* Interactive Swap Controls */
    .controls {
      margin-top: 10px;
      display: flex;
      justify-content: center;
    }

    .btn-swap {
      background: #ffffff;
      border: 2px solid #cbd5e1;
      border-radius: 20px;
      padding: 6px 16px;
      font-size: 14px;
      font-weight: 700;
      color: #0f172a;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
      transition: background 0.2s ease, border-color 0.2s ease;
    }

    .btn-swap:active {
      background: #f1f5f9;
      border-color: #94a3b8;
    }

    .tool-group {
      transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
  </style>
</head>
<body>

  <div class="scene-wrap">
    <svg viewBox="0 0 540 380" aria-label="Science tray showing beaker beside magnifying glass">
      <defs>
        
        <linearGradient id="liquidGrad" x1="0" y1="0" x2="0" y2="1">
          <stop offset="0%" stop-color="#38bdf8" />
          <stop offset="100%" stop-color="#0284c7" />
        </linearGradient>

        <linearGradient id="trayGrad" x1="0" y1="0" x2="0" y2="1">
          <stop offset="0%" stop-color="#ffffff" />
          <stop offset="100%" stop-color="#e2e8f0" />
        </linearGradient>

        <linearGradient id="glassReflection" x1="0" y1="0" x2="1" y2="1">
          <stop offset="0%" stop-color="#ffffff" stop-opacity="0.6" />
          <stop offset="40%" stop-color="#ffffff" stop-opacity="0.1" />
          <stop offset="100%" stop-color="#ffffff" stop-opacity="0" />
        </linearGradient>

        
        <marker id="arr-left" viewBox="0 0 10 10" refX="2" refY="5" markerWidth="6" markerHeight="6" orient="auto">
          <path d="M 9 1 L 1 5 L 9 9 z" fill="#0284c7" />
        </marker>
        <marker id="arr-right" viewBox="0 0 10 10" refX="8" refY="5" markerWidth="6" markerHeight="6" orient="auto">
          <path d="M 1 1 L 9 5 L 1 9 z" fill="#0284c7" />
        </marker>
      </defs>

      
      <rect x="15" y="325" width="510" height="12" rx="6" fill="#cbd5e1" />

      
      <g id="tray">
        <rect x="35" y="275" width="470" height="55" rx="16" fill="#94a3b8" />
        <rect x="40" y="270" width="460" height="55" rx="14" fill="url(#trayGrad)" stroke="#cbd5e1" stroke-width="2" />
        
        <rect x="52" y="278" width="436" height="39" rx="8" fill="none" stroke="#e2e8f0" stroke-width="2" />
      </g>

      
      <g id="beside-indicator">
        
        <line class="arrow-glow" x1="205" y1="210" x2="335" y2="210" stroke="#0284c7" stroke-width="4" stroke-dasharray="6 4" marker-start="url(#arr-left)" marker-end="url(#arr-right)" />

        
        <line x1="270" y1="210" x2="270" y2="155" stroke="#0284c7" stroke-width="2" stroke-dasharray="3 3" />

        
        <g transform="translate(270, 125)">
          <rect x="-85" y="-32" width="170" height="64" rx="32" fill="#0284c7" filter="drop-shadow(0 4px 6px rgba(2,132,199,0.25))" />
          <rect x="-82" y="-29" width="164" height="58" rx="29" fill="none" stroke="#38bdf8" stroke-width="2" />
          <text y="-4" text-anchor="middle" font-size="19" font-weight="900" fill="#ffffff" letter-spacing="1.5">BESIDE</text>
          <text y="17" text-anchor="middle" font-size="13" font-weight="600" fill="#bae6fd">(Next to)</text>
        </g>
      </g>

      
      <g id="tool-beaker" class="tool-group" transform="translate(0, 0)">
        
        <text x="135" y="70" text-anchor="middle" font-size="15" font-weight="700" fill="#475569">Beaker</text>

        
        <ellipse cx="135" cy="285" rx="42" ry="7" fill="#64748b" opacity="0.25" />

        
        <path d="M 98 120 
                 L 90 120 
                 L 90 130 
                 L 98 130 
                 L 98 270 
                 Q 98 285 113 285 
                 L 157 285 
                 Q 172 285 172 270 
                 L 172 130 
                 L 180 130 
                 L 180 120 
                 Z" 
              fill="#ffffff" fill-opacity="0.6" stroke="#0284c7" stroke-width="3.5" stroke-linejoin="round" />

        
        <path d="M 100 190 
                 Q 135 194 170 190 
                 L 170 270 
                 Q 170 283 157 283 
                 L 113 283 
                 Q 100 283 100 270 
                 Z" 
              fill="url(#liquidGrad)" />

        
        <g>
          <circle class="bubble-1" cx="120" cy="265" r="4.5" fill="#ffffff" />
          <circle class="bubble-2" cx="145" cy="260" r="3.5" fill="#ffffff" />
          <circle class="bubble-3" cx="132" cy="250" r="5" fill="#ffffff" />
        </g>

        
        <line x1="100" y1="170" x2="115" y2="170" stroke="#0284c7" stroke-width="2.5" stroke-linecap="round" />
        <line x1="100" y1="200" x2="120" y2="200" stroke="#ffffff" stroke-width="2.5" stroke-linecap="round" />
        <line x1="100" y1="230" x2="115" y2="230" stroke="#ffffff" stroke-width="2.5" stroke-linecap="round" />
        <line x1="100" y1="260" x2="120" y2="260" stroke="#ffffff" stroke-width="2.5" stroke-linecap="round" />

        
        <path d="M 104 135 L 104 270" stroke="#ffffff" stroke-width="3" stroke-linecap="round" opacity="0.8" />
      </g>

      
      <g id="tool-glass" class="tool-group" transform="translate(0, 0)">
        
        <text x="405" y="70" text-anchor="middle" font-size="15" font-weight="700" fill="#475569">Magnifying Glass</text>

        
        <ellipse cx="405" cy="285" rx="45" ry="7" fill="#64748b" opacity="0.25" />

        
        <rect x="420" y="235" width="20" height="60" rx="10" transform="rotate(-40 420 235)" fill="#d97706" stroke="#b45309" stroke-width="3" />
        <rect x="425" y="240" width="10" height="50" rx="5" transform="rotate(-40 420 235)" fill="#f59e0b" />

        
        <circle cx="395" cy="195" r="54" fill="#fef3c7" stroke="#f59e0b" stroke-width="12" />

        
        <circle cx="395" cy="195" r="48" fill="#38bdf8" fill-opacity="0.2" stroke="#d97706" stroke-width="2" />

        
        <path d="M 365 170 A 38 38 0 0 1 425 170" fill="none" stroke="url(#glassReflection)" stroke-width="6" stroke-linecap="round" />
      </g>
    </svg>
  </div>

  <div class="controls">
    <button id="swapBtn" class="btn-swap" type="button" aria-label="Swap tool positions">
      <span>⇄</span> Swap Sides
    </button>
  </div>

  <script>
    const swapBtn = document.getElementById('swapBtn');
    const beaker = document.getElementById('tool-beaker');
    const glass = document.getElementById('tool-glass');
    let isSwapped = false;

    // Beaker starts at x=135, Glass starts at x=405. Delta is 270px.
    swapBtn.addEventListener('click', () => {
      isSwapped = !isSwapped;
      if (isSwapped) {
        beaker.style.transform = 'translateX(270px)';
        glass.style.transform = 'translateX(-270px)';
      } else {
        beaker.style.transform = 'translateX(0px)';
        glass.style.transform = 'translateX(0px)';
      }
    });
  </script>
</body>
</html>

OGS.0.ETAS.3

Aligned learning resources

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