<!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;
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 12px;
      min-height: 100%;
    }

    .row-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 14px;
      padding: 10px 14px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
      transition: border-color 0.25s ease, box-shadow 0.25s ease;
      cursor: pointer;
    }

    .row-card:hover, .row-card.active {
      border-color: #22b7ff;
      box-shadow: 0 4px 14px rgba(34, 183, 255, 0.18);
    }

    .team-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
    }

    .words-pair {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .word-tile {
      background: #f1f5f9;
      color: #0f172a;
      font-weight: 700;
      font-size: 15px;
      padding: 5px 10px;
      border-radius: 8px;
      border: 1px solid #cbd5e1;
      letter-spacing: 0.2px;
    }

    .space-indicator {
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 600;
      color: #0284c7;
      background: #e0f2fe;
      border: 1.5px dashed #38bdf8;
      border-radius: 6px;
      padding: 3px 6px;
      height: 26px;
    }

    .bracket-svg {
      width: 100%;
      height: 10px;
      stroke: #0284c7;
      stroke-width: 2;
      fill: none;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .arrow {
      font-size: 18px;
      font-weight: 800;
      color: #94a3b8;
      flex-shrink: 0;
    }

    .result-badge {
      display: flex;
      align-items: center;
      gap: 8px;
      background: #f8fafc;
      border: 1.5px solid #e2e8f0;
      border-radius: 10px;
      padding: 6px 10px;
      flex-shrink: 0;
      min-width: 135px;
    }

    .badge-icon {
      font-size: 22px;
      line-height: 1;
    }

    .badge-text {
      font-size: 13px;
      font-weight: 700;
      color: #1e2945;
      line-height: 1.2;
    }

    @media (max-width: 380px) {
      body {
        padding: 6px;
        gap: 8px;
      }
      .row-card {
        padding: 8px 10px;
        gap: 6px;
      }
      .word-tile {
        font-size: 13px;
        padding: 4px 7px;
      }
      .space-indicator {
        font-size: 10px;
        padding: 2px 4px;
        height: 22px;
      }
      .badge-icon {
        font-size: 18px;
      }
      .badge-text {
        font-size: 12px;
      }
      .result-badge {
        min-width: 110px;
        padding: 4px 8px;
      }
    }
  </style>
</head>
<body>

  
  <div class="row-card active" onclick="selectRow(this)">
    <div class="team-container">
      <div class="words-pair">
        <span class="word-tile">ice</span>
        <span class="space-indicator">␣ space</span>
        <span class="word-tile">cream</span>
      </div>
      <svg class="bracket-svg" viewBox="0 0 100 12" preserveAspectRatio="none">
        <path d="M 2,1 L 2,6 Q 2,11 7,11 L 45,11 Q 50,11 50,12 Q 50,11 55,11 L 93,11 Q 98,11 98,6 L 98,1" />
      </svg>
    </div>
    <div class="arrow">→</div>
    <div class="result-badge">
      <span class="badge-icon">🍦</span>
      <span class="badge-text">One dessert</span>
    </div>
  </div>

  
  <div class="row-card" onclick="selectRow(this)">
    <div class="team-container">
      <div class="words-pair">
        <span class="word-tile">living</span>
        <span class="space-indicator">␣ space</span>
        <span class="word-tile">room</span>
      </div>
      <svg class="bracket-svg" viewBox="0 0 100 12" preserveAspectRatio="none">
        <path d="M 2,1 L 2,6 Q 2,11 7,11 L 45,11 Q 50,11 50,12 Q 50,11 55,11 L 93,11 Q 98,11 98,6 L 98,1" />
      </svg>
    </div>
    <div class="arrow">→</div>
    <div class="result-badge">
      <span class="badge-icon">🛋️</span>
      <span class="badge-text">One room</span>
    </div>
  </div>

  
  <div class="row-card" onclick="selectRow(this)">
    <div class="team-container">
      <div class="words-pair">
        <span class="word-tile">peanut</span>
        <span class="space-indicator">␣ space</span>
        <span class="word-tile">butter</span>
      </div>
      <svg class="bracket-svg" viewBox="0 0 100 12" preserveAspectRatio="none">
        <path d="M 2,1 L 2,6 Q 2,11 7,11 L 45,11 Q 50,11 50,12 Q 50,11 55,11 L 93,11 Q 98,11 98,6 L 98,1" />
      </svg>
    </div>
    <div class="arrow">→</div>
    <div class="result-badge">
      <span class="badge-icon">🥜</span>
      <span class="badge-text">One spread</span>
    </div>
  </div>

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

Reading Closed, Open, and Hyphenated Compound Words

<!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: #ffffff;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 16px 12px;
      gap: 16px;
    }

    /* Callout bubble */
    .callout {
      position: relative;
      background: #fff7ed;
      border: 1.5px solid #fdba74;
      color: #9a3412;
      padding: 8px 14px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 2px 6px rgba(251, 146, 60, 0.15);
      animation: gentle-pulse 3s ease-in-out infinite;
    }
    .callout::after {
      content: '';
      position: absolute;
      bottom: -7px;
      left: 50%;
      transform: translateX(-50%);
      border-width: 7px 6px 0;
      border-style: solid;
      border-color: #fdba74 transparent transparent;
      display: block;
      width: 0;
    }

    @keyframes gentle-pulse {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-2px); }
    }

    /* Diagram rows */
    .compound-container {
      width: 100%;
      max-width: 580px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .equation-row {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
      padding: 12px 8px;
      background: #f8fafc;
      border-radius: 16px;
      border: 1px solid #e2e8f0;
    }

    .word-badge {
      background: #eef2ff;
      border: 1.5px solid #c7d2fe;
      color: #3730a3;
      padding: 8px 14px;
      border-radius: 24px;
      font-size: 16px;
      font-weight: 600;
      box-shadow: 0 2px 4px rgba(79, 70, 229, 0.06);
    }

    /* Glowing hyphen tape bridge */
    .hyphen-bridge {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #ffedd5;
      border: 2px dashed #f97316;
      color: #ea580c;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      font-size: 22px;
      font-weight: 900;
      box-shadow: 0 0 12px rgba(249, 115, 22, 0.35);
      cursor: default;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .hyphen-bridge:hover {
      box-shadow: 0 0 16px rgba(249, 115, 22, 0.6);
    }

    .arrow {
      color: #94a3b8;
      font-size: 18px;
      font-weight: bold;
      padding: 0 2px;
    }

    /* Result pill */
    .result-badge {
      background: #ecfdf5;
      border: 1.5px solid #a7f3d0;
      color: #065f46;
      padding: 8px 16px;
      border-radius: 24px;
      font-size: 16px;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 2px 6px rgba(16, 185, 129, 0.1);
    }
    .result-badge .dash-part {
      color: #ea580c;
      font-weight: 900;
    }

    .icon-badge {
      font-size: 18px;
      line-height: 1;
    }

    .num-tag {
      background: #d1fae5;
      color: #047857;
      font-size: 12px;
      font-weight: 800;
      padding: 2px 6px;
      border-radius: 10px;
    }

    @media (max-width: 420px) {
      .word-badge, .result-badge {
        font-size: 14px;
        padding: 6px 10px;
      }
      .hyphen-bridge {
        width: 32px;
        height: 32px;
        font-size: 18px;
      }
      .callout {
        font-size: 12px;
        padding: 6px 10px;
      }
    }
  </style>
</head>
<body>

  
  <div class="callout">
    <span>🩹</span>
    <span>The hyphen acts like tape holding words together!</span>
  </div>

  <div class="compound-container">
    
    <div class="equation-row">
      <div class="word-badge">runner</div>
      <div class="hyphen-bridge" title="Hyphen bridge">-</div>
      <div class="word-badge">up</div>
      <div class="arrow">→</div>
      <div class="result-badge">
        <span>runner<span class="dash-part">-</span>up</span>
        <span class="icon-badge">🥈</span>
      </div>
    </div>

    
    <div class="equation-row">
      <div class="word-badge">twenty</div>
      <div class="hyphen-bridge" title="Hyphen bridge">-</div>
      <div class="word-badge">five</div>
      <div class="arrow">→</div>
      <div class="result-badge">
        <span>twenty<span class="dash-part">-</span>five</span>
        <span class="num-tag">25</span>
      </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">
  <title>Evolution of Compound Words</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      width: 100%;
      min-height: 100%;
      background: #ffffff;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 16px 12px;
    }

    .timeline-container {
      width: 100%;
      max-width: 640px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    /* Top time rail */
    .time-rail {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 8px;
      font-size: 13px;
      font-weight: 700;
      color: #64748b;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .time-bar {
      flex: 1;
      height: 4px;
      background: #e2e8f0;
      margin: 0 12px;
      border-radius: 2px;
      position: relative;
      overflow: hidden;
    }

    .time-progress {
      position: absolute;
      left: 0;
      top: 0;
      height: 100%;
      width: 100%;
      background: linear-gradient(90deg, #0284c7, #ea580c, #16a34a);
      border-radius: 2px;
    }

    /* Cards Layout */
    .cards-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      position: relative;
    }

    .stage-card {
      flex: 1;
      min-width: 0;
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 14px;
      padding: 14px 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      cursor: pointer;
      user-select: none;
      transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
      position: relative;
    }

    .stage-card.blue {
      background: #f0f9ff;
      border-color: #bae6fd;
    }
    .stage-card.blue.active {
      border-color: #0284c7;
      box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.25);
    }

    .stage-card.orange {
      background: #fff7ed;
      border-color: #fed7aa;
    }
    .stage-card.orange.active {
      border-color: #ea580c;
      box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.25);
    }

    .stage-card.green {
      background: #f0fdf4;
      border-color: #bbf7d0;
    }
    .stage-card.green.active {
      border-color: #16a34a;
      box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.25);
    }

    .card-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .stage-card.blue .card-badge { color: #0284c7; }
    .stage-card.orange .card-badge { color: #ea580c; }
    .stage-card.green .card-badge { color: #16a34a; }

    .word-box {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      background: #ffffff;
      padding: 6px 10px;
      border-radius: 8px;
      border: 1px dashed #cbd5e1;
      margin-bottom: 6px;
      white-space: nowrap;
    }

    .stage-card.blue .word-box { border-color: #7dd3fc; }
    .stage-card.orange .word-box { border-color: #fdba74; }
    .stage-card.green .word-box { border-color: #86efac; }

    .icon-badge {
      font-size: 18px;
      line-height: 1;
      margin-top: 4px;
    }

    /* Connectors */
    .connector {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      width: 60px;
      flex-shrink: 0;
    }

    .connector-text {
      font-size: 11px;
      font-weight: 600;
      color: #64748b;
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .connector-arrow {
      font-size: 18px;
      line-height: 1;
      color: #94a3b8;
      font-weight: bold;
    }

    /* Controller / Stepper Bar */
    .controls {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-top: 4px;
    }

    .nav-btn {
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      cursor: pointer;
      user-select: none;
    }

    .nav-btn:active {
      background: #e2e8f0;
    }

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

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #cbd5e1;
      cursor: pointer;
      transition: background-color 0.2s ease, transform 0.2s ease;
    }

    .dot.active {
      background: #0284c7;
      transform: scale(1.25);
    }

    @media (max-width: 480px) {
      .cards-row {
        gap: 4px;
      }
      .connector {
        width: 44px;
      }
      .connector-text {
        font-size: 9px;
      }
      .word-box {
        font-size: 13px;
        padding: 5px 6px;
      }
      .card-badge {
        font-size: 11px;
      }
    }
  </style>
</head>
<body>
  <div class="timeline-container">
    <div class="time-rail">
      <span>Past</span>
      <div class="time-bar">
        <div class="time-progress"></div>
      </div>
      <span>Present</span>
    </div>

    <div class="cards-row">
      
      <div class="stage-card blue active" id="card-0">
        <div class="card-badge">1. Open</div>
        <div class="word-box">web site</div>
        <div class="icon-badge">🗓️</div>
      </div>

      
      <div class="connector">
        <span class="connector-text">Used more<br>often</span>
        <span class="connector-arrow">→</span>
      </div>

      
      <div class="stage-card orange" id="card-1">
        <div class="card-badge">2. Hyphenated</div>
        <div class="word-box">web-site</div>
        <div class="icon-badge">🔗</div>
      </div>

      
      <div class="connector">
        <span class="connector-text">Becomes<br>common</span>
        <span class="connector-arrow">→</span>
      </div>

      
      <div class="stage-card green" id="card-2">
        <div class="card-badge">3. Closed</div>
        <div class="word-box">website</div>
        <div class="icon-badge">⭐</div>
      </div>
    </div>

    
    <div class="controls">
      <button class="nav-btn" id="playBtn">⏸ Pause</button>
      <div class="dots-group">
        <div class="dot active" id="dot-0"></div>
        <div class="dot" id="dot-1"></div>
        <div class="dot" id="dot-2"></div>
      </div>
    </div>
  </div>

  <script src="{{VENDOR_CDN}}/classace-diagram.js"></script>
  <script>
    let currentStep = 0;
    let isPlaying = true;
    let timer = null;

    const cards = [
      document.getElementById('card-0'),
      document.getElementById('card-1'),
      document.getElementById('card-2')
    ];

    const dots = [
      document.getElementById('dot-0'),
      document.getElementById('dot-1'),
      document.getElementById('dot-2')
    ];

    const playBtn = document.getElementById('playBtn');

    function setStep(index) {
      currentStep = index;
      cards.forEach((c, i) => {
        if (i === currentStep) {
          c.classList.add('active');
        } else {
          c.classList.remove('active');
        }
      });

      dots.forEach((d, i) => {
        if (i === currentStep) {
          d.classList.add('active');
          if (i === 0) d.style.background = '#0284c7';
          if (i === 1) d.style.background = '#ea580c';
          if (i === 2) d.style.background = '#16a34a';
        } else {
          d.classList.remove('active');
          d.style.background = '#cbd5e1';
        }
      });
    }

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

    function startAutoPlay() {
      if (timer) clearInterval(timer);
      timer = setInterval(nextStep, 3200);
      isPlaying = true;
      playBtn.textContent = '⏸ Pause';
    }

    function pauseAutoPlay() {
      if (timer) clearInterval(timer);
      timer = null;
      isPlaying = false;
      playBtn.textContent = '▶ Play';
    }

    cards.forEach((card, idx) => {
      card.addEventListener('click', () => {
        setStep(idx);
        pauseAutoPlay();
      });
    });

    dots.forEach((dot, idx) => {
      dot.addEventListener('click', () => {
        setStep(idx);
        pauseAutoPlay();
      });
    });

    playBtn.addEventListener('click', () => {
      if (isPlaying) {
        pauseAutoPlay();
      } else {
        nextStep();
        startAutoPlay();
      }
    });

    setStep(0);
    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;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    }

    body {
      background: transparent;
      padding: 12px;
      color: #1e2945;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      width: 100%;
    }

    .type-card {
      border-radius: 14px;
      padding: 14px 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      transition: box-shadow 0.25s ease, border-color 0.25s ease;
      cursor: pointer;
      user-select: none;
    }

    /* Column 1: Closed (Pastel Mint) */
    .card-closed {
      background: #f0fdf4;
      border: 2px solid #bbf7d0;
    }
    .card-closed.active, .card-closed:hover {
      border-color: #22c55e;
      box-shadow: 0 4px 14px rgba(34, 197, 94, 0.18);
    }
    .badge-closed {
      background: #dcfce7;
      color: #15803d;
    }
    .block-closed-left {
      background: #86efac;
      border-radius: 8px 0 0 8px;
    }
    .block-closed-right {
      background: #4ade80;
      border-radius: 0 8px 8px 0;
    }

    /* Column 2: Open (Pastel Sky) */
    .card-open {
      background: #f0f9ff;
      border: 2px solid #bae6fd;
    }
    .card-open.active, .card-open:hover {
      border-color: #0284c7;
      box-shadow: 0 4px 14px rgba(2, 132, 199, 0.18);
    }
    .badge-open {
      background: #e0f2fe;
      color: #0369a1;
    }
    .block-open {
      background: #7dd3fc;
      border-radius: 8px;
    }

    /* Column 3: Hyphenated (Pastel Lavender) */
    .card-hyphen {
      background: #faf5ff;
      border: 2px solid #e9d5ff;
    }
    .card-hyphen.active, .card-hyphen:hover {
      border-color: #a855f7;
      box-shadow: 0 4px 14px rgba(168, 85, 247, 0.18);
    }
    .badge-hyphen {
      background: #f3e8ff;
      color: #7e22ce;
    }
    .block-hyphen {
      background: #d8b4fe;
      border-radius: 8px;
    }

    /* Header & Badge */
    .title {
      font-size: 17px;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .badge {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      padding: 3px 8px;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    /* Visual Blocks */
    .visual-container {
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      width: 100%;
    }

    .block {
      width: 32px;
      height: 32px;
      border: 2px solid rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
      color: #1e2945;
    }

    .glue-line {
      width: 3px;
      height: 32px;
      background: #15803d;
      opacity: 0.6;
    }

    .space-gap {
      width: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0284c7;
      font-size: 10px;
      font-weight: 700;
    }

    .dash-bridge {
      width: 14px;
      height: 4px;
      background: #7e22ce;
      border-radius: 2px;
      margin: 0 2px;
    }

    /* Example items */
    .examples {
      width: 100%;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .example-pill {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(0, 0, 0, 0.08);
      border-radius: 10px;
      padding: 8px 6px;
      font-size: 14px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .emoji {
      font-size: 16px;
      line-height: 1;
    }

    /* Mobile responsive stacking */
    @media (max-width: 480px) {
      .grid {
        grid-template-columns: 1fr;
        gap: 10px;
      }
      .type-card {
        padding: 10px;
      }
      .examples {
        flex-direction: row;
      }
      .example-pill {
        flex: 1;
        font-size: 13px;
      }
    }
  </style>
</head>
<body>

  <div class="grid">
    
    <div class="type-card card-closed active" onclick="selectCard(this)">
      <div class="title">Closed</div>
      <div class="badge badge-closed">No Space</div>
      
      <div class="visual-container">
        <div class="block block-closed-left"></div>
        <div class="glue-line"></div>
        <div class="block block-closed-right"></div>
      </div>

      <div class="examples">
        <div class="example-pill"><span class="emoji">🛹</span> skateboard</div>
        <div class="example-pill"><span class="emoji">🪲</span> firefly</div>
      </div>
    </div>

    
    <div class="type-card card-open" onclick="selectCard(this)">
      <div class="title">Open</div>
      <div class="badge badge-open">Space</div>
      
      <div class="visual-container">
        <div class="block block-open"></div>
        <div class="space-gap">␣</div>
        <div class="block block-open"></div>
      </div>

      <div class="examples">
        <div class="example-pill"><span class="emoji">🌭</span> hot dog</div>
        <div class="example-pill"><span class="emoji">🌕</span> full moon</div>
      </div>
    </div>

    
    <div class="type-card card-hyphen" onclick="selectCard(this)">
      <div class="title">Hyphenated</div>
      <div class="badge badge-hyphen">Dash (-)</div>
      
      <div class="visual-container">
        <div class="block block-hyphen"></div>
        <div class="dash-bridge"></div>
        <div class="block block-hyphen"></div>
      </div>

      <div class="examples">
        <div class="example-pill"><span class="emoji">🛎️</span> check-in</div>
        <div class="example-pill"><span class="emoji">🏷️</span> forty-four</div>
      </div>
    </div>
  </div>

  <script>
    function selectCard(el) {
      document.querySelectorAll('.type-card').forEach(c => c.classList.remove('active'));
      el.classList.add('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>Compound Word Addition</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background: #ffffff;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      padding: 12px 8px;
      user-select: none;
    }
    .diagram-area {
      width: 100%;
      max-width: 540px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
    }
    .equation-row {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: nowrap;
      gap: clamp(4px, 1.5vw, 10px);
      width: 100%;
    }
    .card-tile {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: clamp(8px, 2vw, 14px) clamp(6px, 1.8vw, 16px);
      border-radius: 12px;
      flex: 1 1 0;
      min-width: 0;
      transition: box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
      cursor: pointer;
      text-align: center;
    }
    .card-blue {
      background: #eff6ff;
      border: 2px solid #bfdbfe;
      box-shadow: 0 3px 10px rgba(59, 130, 246, 0.08);
    }
    .card-blue.active {
      background: #e0f2fe;
      border-color: #3b82f6;
      box-shadow: 0 0 0 2px #3b82f6, 0 4px 14px rgba(59, 130, 246, 0.2);
    }
    .card-green {
      background: #f0fdf4;
      border: 2px solid #bbf7d0;
      box-shadow: 0 3px 10px rgba(34, 197, 94, 0.08);
    }
    .card-green.active {
      background: #dcfce7;
      border-color: #22c55e;
      box-shadow: 0 0 0 2px #22c55e, 0 4px 14px rgba(34, 197, 94, 0.2);
    }
    .card-purple {
      background: #faf5ff;
      border: 2px solid #e9d5ff;
      box-shadow: 0 3px 10px rgba(168, 85, 247, 0.1);
      flex: 1.3 1 0;
    }
    .card-purple.active {
      background: #f3e8ff;
      border-color: #a855f7;
      box-shadow: 0 0 0 2px #a855f7, 0 6px 16px rgba(168, 85, 247, 0.22);
    }
    .emoji-icon {
      font-size: clamp(24px, 5.5vw, 34px);
      line-height: 1.1;
      margin-bottom: 4px;
    }
    .word-label {
      font-size: clamp(12px, 2.8vw, 16px);
      font-weight: 700;
      letter-spacing: 0.1px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 100%;
    }
    .text-blue { color: #1d4ed8; }
    .text-green { color: #15803d; }
    .text-purple { color: #7e22ce; }
    .operator {
      font-size: clamp(16px, 3.8vw, 22px);
      font-weight: 800;
      color: #94a3b8;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      user-select: none;
    }
    .controls {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .action-btn {
      background: #f8fafc;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      padding: 7px 16px;
      font-size: clamp(12px, 2.5vw, 14px);
      font-weight: 600;
      color: #334155;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: background-color 0.2s ease, border-color 0.2s ease;
    }
    .action-btn:hover {
      background: #e2e8f0;
      border-color: #94a3b8;
    }
    .action-btn:active {
      background: #cbd5e1;
    }
    .caption {
      font-size: clamp(11.5px, 2.6vw, 13.5px);
      font-weight: 500;
      color: #475569;
      text-align: center;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 5px 12px;
      border-radius: 16px;
      line-height: 1.3;
    }
  </style>
</head>
<body>
  <div class="diagram-area">
    <div class="equation-row" id="equation">
      <div class="card-tile card-blue active" id="cardButter" title="Click to hear word">
        <span class="emoji-icon">🧈</span>
        <span class="word-label text-blue">butter</span>
      </div>

      <div class="operator">+</div>

      <div class="card-tile card-green active" id="cardFly" title="Click to hear word">
        <span class="emoji-icon">🪰</span>
        <span class="word-label text-green">fly</span>
      </div>

      <div class="operator">➔</div>

      <div class="card-tile card-purple active" id="cardButterfly" title="Click to combine">
        <span class="emoji-icon">🦋</span>
        <span class="word-label text-purple">butterfly</span>
      </div>
    </div>

    <div class="controls">
      <button class="action-btn" id="combineBtn">
        <span>✨</span> <span id="btnText">Separate Words</span>
      </button>
    </div>

    <div class="caption">
      Two separate words = one brand-new word!
    </div>
  </div>

  <script>
    const cardButter = document.getElementById('cardButter');
    const cardFly = document.getElementById('cardFly');
    const cardButterfly = document.getElementById('cardButterfly');
    const combineBtn = document.getElementById('combineBtn');
    const btnText = document.getElementById('btnText');

    let isCombined = true;

    function playTone(freq, dur = 0.2, type = 'sine') {
      try {
        const AudioCtx = window.AudioContext || window.webkitAudioContext;
        if (!AudioCtx) return;
        const ctx = new AudioCtx();
        const osc = ctx.createOscillator();
        const gain = ctx.createGain();
        osc.type = type;
        osc.frequency.setValueAtTime(freq, ctx.currentTime);
        osc.connect(gain);
        gain.connect(ctx.destination);
        gain.gain.setValueAtTime(0.15, ctx.currentTime);
        gain.gain.exponentialRampToValueAtTime(0.001, ctx.currentTime + dur);
        osc.start();
        osc.stop(ctx.currentTime + dur);
      } catch (e) {}
    }

    function triggerCombine() {
      isCombined = true;
      cardButter.classList.add('active');
      cardFly.classList.add('active');
      cardButterfly.classList.add('active');
      btnText.textContent = 'Separate Words';
      
      playTone(523.25, 0.15); // C5
      setTimeout(() => playTone(659.25, 0.15), 90); // E5
      setTimeout(() => playTone(783.99, 0.3), 180); // G5
    }

    function triggerSeparate() {
      isCombined = false;
      cardButter.classList.remove('active');
      cardFly.classList.remove('active');
      cardButterfly.classList.remove('active');
      btnText.textContent = 'Combine Words';
      playTone(392.00, 0.2); // G4
    }

    combineBtn.addEventListener('click', () => {
      if (isCombined) {
        triggerSeparate();
      } else {
        triggerCombine();
      }
    });

    cardButter.addEventListener('click', () => {
      cardButter.classList.toggle('active');
      playTone(440, 0.2);
    });

    cardFly.addEventListener('click', () => {
      cardFly.classList.toggle('active');
      playTone(554.37, 0.2);
    });

    cardButterfly.addEventListener('click', () => {
      triggerCombine();
    });
  </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: #ffffff;
      color: #1e2945;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 12px;
      user-select: none;
    }

    .diagram {
      width: 100%;
      max-width: 480px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 6px;
      padding: 8px 10px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      cursor: pointer;
      transition: background 0.2s ease, box-shadow 0.2s ease;
    }

    .row:hover {
      background: #f1f5f9;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    }

    .equation-group {
      display: flex;
      align-items: center;
      gap: 5px;
      flex: 1;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 13px;
      font-weight: 700;
      padding: 6px 8px;
      border-radius: 8px;
      border: 1.5px solid transparent;
      white-space: nowrap;
    }

    .symbol {
      font-size: 13px;
      font-weight: 800;
      color: #94a3b8;
    }

    /* Card 1 Colors */
    .chip-sun { background: #fef08a; border-color: #fde047; color: #854d0e; }
    .chip-flower { background: #dcfce7; border-color: #86efac; color: #166534; }

    /* Card 2 Colors */
    .chip-back { background: #dbeafe; border-color: #bfdbfe; color: #1e40af; }
    .chip-pack { background: #ccfbf1; border-color: #99f6e4; color: #115e59; }

    /* Card 3 Colors */
    .chip-rain { background: #e0f2fe; border-color: #bae6fd; color: #0369a1; }
    .chip-coat { background: #ffedd5; border-color: #fed7aa; color: #9a3412; }

    /* Compound Pill with Slice Line */
    .compound-pill {
      display: flex;
      align-items: center;
      border-radius: 8px;
      overflow: hidden;
      border: 1.5px solid #cbd5e1;
      background: #ffffff;
      transition: gap 0.3s ease;
    }

    .compound-part {
      padding: 6px 8px;
      font-size: 13px;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      position: relative;
    }

    .part-left {
      border-right: 2px dashed #64748b;
    }

    .row.split .compound-pill {
      gap: 6px;
      background: transparent;
      border-color: transparent;
    }

    .row.split .part-left {
      border-right: 1.5px solid #cbd5e1;
      border-radius: 8px;
    }

    .row.split .part-right {
      border: 1.5px solid #cbd5e1;
      border-radius: 8px;
    }

    /* Action bar */
    .controls {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 4px;
    }

    .toggle-btn {
      appearance: none;
      border: 1px solid #cbd5e1;
      background: #ffffff;
      color: #334155;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.15s, color 0.15s, border-color 0.15s;
    }

    .toggle-btn:hover {
      background: #f1f5f9;
      border-color: #94a3b8;
    }

    .toggle-btn.active {
      background: #0284c7;
      color: #ffffff;
      border-color: #0284c7;
    }
  </style>
</head>
<body>

  <div class="diagram">
    
    <div class="row" onclick="toggleRow(this)">
      <div class="equation-group">
        <span class="chip chip-sun">☀️ sun</span>
        <span class="symbol">+</span>
        <span class="chip chip-flower">🌻 flower</span>
      </div>
      <span class="symbol">➔</span>
      <div class="compound-pill">
        <span class="compound-part part-left chip-sun">sun</span>
        <span class="compound-part part-right chip-flower">flower</span>
      </div>
    </div>

    
    <div class="row" onclick="toggleRow(this)">
      <div class="equation-group">
        <span class="chip chip-back">back</span>
        <span class="symbol">+</span>
        <span class="chip chip-pack">🎒 pack</span>
      </div>
      <span class="symbol">➔</span>
      <div class="compound-pill">
        <span class="compound-part part-left chip-back">back</span>
        <span class="compound-part part-right chip-pack">pack</span>
      </div>
    </div>

    
    <div class="row" onclick="toggleRow(this)">
      <div class="equation-group">
        <span class="chip chip-rain">🌧️ rain</span>
        <span class="symbol">+</span>
        <span class="chip chip-coat">🧥 coat</span>
      </div>
      <span class="symbol">➔</span>
      <div class="compound-pill">
        <span class="compound-part part-left chip-rain">rain</span>
        <span class="compound-part part-right chip-coat">coat</span>
      </div>
    </div>

    
    <div class="controls">
      <button class="toggle-btn active" id="btnClosed" onclick="setAll(false)">Closed 🔗</button>
      <button class="toggle-btn" id="btnSliced" onclick="setAll(true)">Sliced ✂️</button>
    </div>
  </div>

  <script>
    function toggleRow(el) {
      el.classList.toggle('split');
      updateButtons();
    }

    function setAll(split) {
      document.querySelectorAll('.row').forEach(row => {
        if (split) {
          row.classList.add('split');
        } else {
          row.classList.remove('split');
        }
      });
      updateButtons();
    }

    function updateButtons() {
      const rows = document.querySelectorAll('.row');
      const allSplit = Array.from(rows).every(r => r.classList.contains('split'));
      const allClosed = Array.from(rows).every(r => !r.classList.contains('split'));

      document.getElementById('btnSliced').classList.toggle('active', allSplit);
      document.getElementById('btnClosed').classList.toggle('active', allClosed);
    }
  </script>
</body>
</html>

OGE.4.RF.3

Aligned learning resources

Related diagrams