<!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;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
      padding: 16px 12px;
      user-select: none;
    }

    .nav-tabs {
      display: flex;
      gap: 8px;
      margin-bottom: 20px;
      width: 100%;
      max-width: 440px;
    }

    .tab-btn {
      flex: 1;
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 600;
      border: 1px solid #e2e8f0;
      background: #f8fafc;
      color: #64748b;
      border-radius: 8px;
      cursor: pointer;
      text-align: center;
      transition: all 0.25s ease;
    }

    .tab-btn.active {
      background: #22b7ff;
      color: #ffffff;
      border-color: #22b7ff;
      box-shadow: 0 2px 6px rgba(34, 183, 255, 0.25);
    }

    .stage {
      width: 100%;
      max-width: 440px;
      height: 190px;
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 16px;
    }

    .sentence-box {
      font-size: 20px;
      font-weight: 600;
      letter-spacing: -0.2px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 6px;
      min-height: 48px;
    }

    .word-slot {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 68px;
      height: 38px;
      border-radius: 6px;
      transition: all 0.3s ease;
    }

    .word-slot.highlight {
      box-shadow: 0 0 0 2px #22b7ff;
      background: #e0f2fe;
      color: #0284c7;
    }

    .word-slot.swapped {
      box-shadow: 0 0 0 2px #6366f1;
      background: #ede9fe;
      color: #4f46e5;
    }

    .result-badge {
      margin-top: 18px;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 14px;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      opacity: 0;
      transform: translateY(6px);
      transition: all 0.3s ease;
    }

    .result-badge.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .result-badge.valid {
      background: #dcfce7;
      color: #15803d;
      border: 1px solid #86efac;
    }

    .result-badge.invalid {
      background: #fee2e2;
      color: #b91c1c;
      border: 1px solid #fca5a5;
    }

    .controls {
      margin-top: 18px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-step {
      padding: 8px 18px;
      background: #1e2945;
      color: #fff;
      border: none;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: opacity 0.2s;
    }

    .btn-step:hover {
      opacity: 0.9;
    }

    .step-dots {
      display: flex;
      gap: 6px;
    }

    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #cbd5e1;
      cursor: pointer;
      transition: background 0.2s;
    }

    .dot.active {
      background: #22b7ff;
    }
  </style>
</head>
<body>

  <div class="nav-tabs">
    <button class="tab-btn active" id="tab0" onclick="selectCase(0)">Sentence A</button>
    <button class="tab-btn" id="tab1" onclick="selectCase(1)">Sentence B</button>
  </div>

  <div class="stage">
    <div class="sentence-box" id="sentenceContainer"></div>
    <div class="result-badge" id="resultBadge"></div>
  </div>

  <div class="controls">
    <button class="btn-step" id="actionBtn" onclick="nextStep()">Test "It" →</button>
    <div class="step-dots">
      <div class="dot active" id="dot0" onclick="goToStep(0)"></div>
      <div class="dot" id="dot1" onclick="goToStep(1)"></div>
    </div>
  </div>

  <script>
    const cases = [
      {
        prefix: "",
        word: "Baking",
        suffix: "relaxes me.",
        valid: true,
        label: "✓ Gerund (Noun)"
      },
      {
        prefix: "The",
        word: "baking",
        suffix: "bread smells good.",
        valid: false,
        label: "✗ Participle (Adjective)"
      }
    ];

    let currentCase = 0;
    let currentStep = 0;

    function render() {
      const data = cases[currentCase];
      const container = document.getElementById("sentenceContainer");
      const badge = document.getElementById("resultBadge");
      const btn = document.getElementById("actionBtn");

      document.getElementById("tab0").className = "tab-btn" + (currentCase === 0 ? " active" : "");
      document.getElementById("tab1").className = "tab-btn" + (currentCase === 1 ? " active" : "");
      document.getElementById("dot0").className = "dot" + (currentStep === 0 ? " active" : "");
      document.getElementById("dot1").className = "dot" + (currentStep === 1 ? " active" : "");

      const displayWord = currentStep === 0 ? data.word : (data.prefix ? "it" : "It");
      const slotClass = currentStep === 0 ? "word-slot highlight" : "word-slot swapped";

      let html = "";
      if (data.prefix) html += `<span>${data.prefix}</span>`;
      html += `<span class="${slotClass}">${displayWord}</span>`;
      html += `<span>${data.suffix}</span>`;
      container.innerHTML = html;

      if (currentStep === 1) {
        badge.className = "result-badge visible " + (data.valid ? "valid" : "invalid");
        badge.textContent = data.label;
        btn.textContent = "↺ Reset";
      } else {
        badge.className = "result-badge";
        badge.textContent = "";
        btn.textContent = 'Test "It" →';
      }
    }

    function selectCase(idx) {
      currentCase = idx;
      currentStep = 0;
      render();
    }

    function nextStep() {
      currentStep = currentStep === 0 ? 1 : 0;
      render();
    }

    function goToStep(s) {
      currentStep = s;
      render();
    }

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

Identifying Gerunds and Gerund Phrases

<!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; }
    body {
      font-family: system-ui, -apple-system, sans-serif;
      color: #1e2945;
      background: transparent;
      padding: 10px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      user-select: none;
    }

    .header-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 4px;
    }

    .title-tag {
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: #64748b;
    }

    .grid-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    @media (max-width: 440px) {
      .grid-container {
        grid-template-columns: 1fr;
        gap: 8px;
      }
    }

    .job-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      padding: 12px 14px;
      cursor: pointer;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .job-card:hover {
      border-color: #cbd5e1;
      background: #f8fafc;
    }

    .job-card.active {
      background: #ffffff;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    }

    /* Card 1: Subject */
    .job-card[data-role="subj"].active {
      border-color: #2563eb;
    }
    .badge-subj {
      background: #eff6ff;
      color: #1d4ed8;
      border: 1px solid #bfdbfe;
    }
    .hl-subj {
      background: #dbeafe;
      color: #1e40af;
      border-bottom: 2px solid #2563eb;
    }

    /* Card 2: Direct Object */
    .job-card[data-role="dobj"].active {
      border-color: #059669;
    }
    .badge-dobj {
      background: #ecfdf5;
      color: #047857;
      border: 1px solid #a7f3d0;
    }
    .hl-dobj {
      background: #d1fae5;
      color: #065f46;
      border-bottom: 2px solid #059669;
    }

    /* Card 3: Subject Complement */
    .job-card[data-role="scomp"].active {
      border-color: #7c3aed;
    }
    .badge-scomp {
      background: #f5f3ff;
      color: #6d28d9;
      border: 1px solid #ddd6fe;
    }
    .hl-scomp {
      background: #ede9fe;
      color: #5b21b6;
      border-bottom: 2px solid #7c3aed;
    }

    /* Card 4: Object of Preposition */
    .job-card[data-role="prep"].active {
      border-color: #d97706;
    }
    .badge-prep {
      background: #fffbeb;
      color: #b45309;
      border: 1px solid #fde68a;
    }
    .hl-prep {
      background: #fef3c7;
      color: #92400e;
      border-bottom: 2px solid #d97706;
    }

    .card-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .role-badge {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      padding: 3px 8px;
      border-radius: 6px;
      letter-spacing: 0.03em;
    }

    .role-pos {
      font-size: 11px;
      font-weight: 600;
      color: #64748b;
    }

    .sentence {
      font-size: 14.5px;
      line-height: 1.4;
      color: #334155;
      font-weight: 500;
    }

    .hl {
      font-weight: 700;
      padding: 1px 4px;
      border-radius: 4px;
      white-space: nowrap;
    }

    .connector {
      font-weight: 600;
      color: #475569;
      text-decoration: underline;
      text-decoration-style: dotted;
    }

    .analysis-bar {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: #64748b;
      font-weight: 600;
      padding-top: 4px;
      border-top: 1px dashed #e2e8f0;
    }

    .analysis-bar span {
      display: inline-flex;
      align-items: center;
    }
  </style>
</head>
<body>

  <div class="header-bar">
    <span class="title-tag">4 Noun Jobs of Gerund Phrases</span>
  </div>

  <div class="grid-container" id="grid">
    
    <div class="job-card active" data-role="subj" onclick="selectCard(this)">
      <div class="card-top">
        <span class="role-badge badge-subj">Subject</span>
        <span class="role-pos">Starts Sentence</span>
      </div>
      <div class="sentence">
        <span class="hl hl-subj">[Writing stories]</span> takes patience.
      </div>
      <div class="analysis-bar">
        <span>Noun Job</span>
        <span>→</span>
        <span>Action / Verb</span>
      </div>
    </div>

    
    <div class="job-card" data-role="dobj" onclick="selectCard(this)">
      <div class="card-top">
        <span class="role-badge badge-dobj">Direct Object</span>
        <span class="role-pos">Receives Action</span>
      </div>
      <div class="sentence">
        Maya <span class="connector">loves</span> <span class="hl hl-dobj">[reading sci-fi]</span>.
      </div>
      <div class="analysis-bar">
        <span>Action Verb</span>
        <span>→</span>
        <span>Noun Job</span>
      </div>
    </div>

    
    <div class="job-card" data-role="scomp" onclick="selectCard(this)">
      <div class="card-top">
        <span class="role-badge badge-scomp">Subject Complement</span>
        <span class="role-pos">After Linking Verb</span>
      </div>
      <div class="sentence">
        His hobby <span class="connector">is</span> <span class="hl hl-scomp">[playing chess]</span>.
      </div>
      <div class="analysis-bar">
        <span>Subject</span>
        <span>=</span>
        <span>Noun Job</span>
      </div>
    </div>

    
    <div class="job-card" data-role="prep" onclick="selectCard(this)">
      <div class="card-top">
        <span class="role-badge badge-prep">Object of Preposition</span>
        <span class="role-pos">Follows Prep</span>
      </div>
      <div class="sentence">
        She won <span class="connector">by</span> <span class="hl hl-prep">[practicing daily]</span>.
      </div>
      <div class="analysis-bar">
        <span>Preposition</span>
        <span>+</span>
        <span>Noun Job</span>
      </div>
    </div>
  </div>

  <script>
    function selectCard(card) {
      document.querySelectorAll('.job-card').forEach(c => c.classList.remove('active'));
      card.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">
  <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;
      padding: 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
      min-height: 100%;
    }

    /* Sentence Selector Tabs */
    .tabs {
      display: flex;
      gap: 6px;
      width: 100%;
      max-width: 460px;
      margin-bottom: 12px;
      justify-content: center;
    }
    .tab-btn {
      flex: 1;
      padding: 8px 4px;
      font-size: 13px;
      font-weight: 600;
      border: 1.5px solid #cbd5e1;
      border-radius: 8px;
      background: #ffffff;
      color: #475569;
      cursor: pointer;
      text-align: center;
      transition: all 0.25s ease;
      box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    }
    .tab-btn:hover {
      border-color: #94a3b8;
    }
    .tab-btn.active {
      background: #0284c7;
      color: #ffffff;
      border-color: #0284c7;
      box-shadow: 0 2px 6px rgba(2,132,199,0.25);
    }

    /* Flowchart Tree */
    .tree-container {
      width: 100%;
      max-width: 460px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      position: relative;
    }

    .start-node {
      align-self: center;
      background: #e2e8f0;
      color: #334155;
      font-weight: 700;
      font-size: 14px;
      padding: 6px 14px;
      border-radius: 20px;
      border: 1.5px solid #cbd5e1;
      transition: all 0.3s ease;
    }
    .start-node.active {
      background: #0f172a;
      color: #ffffff;
      border-color: #0f172a;
    }

    /* Step Row */
    .step-row {
      display: flex;
      align-items: stretch;
      gap: 8px;
      position: relative;
    }

    /* Question Box */
    .q-box {
      flex: 1.2;
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 10px;
      padding: 8px 10px;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
      transition: all 0.3s ease;
    }
    .q-box .q-title {
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: #94a3b8;
      margin-bottom: 2px;
    }
    .q-box.active-eval {
      border-color: #38bdf8;
      background: #f0f9ff;
      color: #0369a1;
      box-shadow: 0 0 0 2px rgba(56,189,248,0.3);
    }
    .q-box.active-eval .q-title {
      color: #0284c7;
    }
    .q-box.passed {
      border-color: #cbd5e1;
      background: #f8fafc;
      color: #94a3b8;
      opacity: 0.7;
    }

    /* Outcome / Result Box */
    .outcome-box {
      flex: 1;
      border-radius: 10px;
      padding: 8px 10px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      border: 2px solid transparent;
      background: #f1f5f9;
      color: #94a3b8;
      font-size: 12px;
      transition: all 0.3s ease;
      opacity: 0.45;
    }
    .outcome-box .badge {
      font-size: 12px;
      font-weight: 800;
      letter-spacing: -0.2px;
      margin-bottom: 2px;
    }
    .outcome-box .example {
      font-size: 11px;
      font-style: italic;
    }

    /* Match states */
    .outcome-box.verb.selected {
      background: #fef2f2;
      border-color: #ef4444;
      color: #991b1b;
      opacity: 1;
      box-shadow: 0 3px 8px rgba(239,68,68,0.15);
    }
    .outcome-box.verb.selected .badge { color: #dc2626; }

    .outcome-box.participle.selected {
      background: #fffbeb;
      border-color: #f59e0b;
      color: #92400e;
      opacity: 1;
      box-shadow: 0 3px 8px rgba(245,158,11,0.15);
    }
    .outcome-box.participle.selected .badge { color: #d97706; }

    .outcome-box.gerund.selected {
      background: #ecfdf5;
      border-color: #10b981;
      color: #065f46;
      opacity: 1;
      box-shadow: 0 3px 8px rgba(16,185,129,0.2);
    }
    .outcome-box.gerund.selected .badge { color: #059669; }

    /* Connector indicators */
    .connector-down {
      text-align: center;
      font-size: 11px;
      font-weight: 700;
      color: #94a3b8;
      line-height: 1;
      margin: -2px 0;
    }
    .connector-down.active-flow {
      color: #0284c7;
      font-weight: 800;
    }

    /* Interactive prompt note */
    .hint-bar {
      margin-top: 8px;
      font-size: 12px;
      color: #64748b;
      text-align: center;
      font-weight: 500;
    }
    .hint-bar strong {
      color: #0f172a;
    }
  </style>
</head>
<body>

  
  <div class="tabs">
    <button class="tab-btn active" onclick="selectPath(0)">"She is running"</button>
    <button class="tab-btn" onclick="selectPath(1)">"Running shoes"</button>
    <button class="tab-btn" onclick="selectPath(2)">"Running is fun"</button>
  </div>

  <div class="tree-container">
    <div class="start-node active">
      Word ends in <strong>-ing</strong>
    </div>

    <div id="arrow0" class="connector-down active-flow">↓</div>

    
    <div class="step-row">
      <div id="q1" class="q-box">
        <span class="q-title">Step 1</span>
        Helping verb before it?
        <span style="font-size:11px; color:#64748b; font-weight:normal;">(is, was, were)</span>
      </div>
      <div id="res1" class="outcome-box verb">
        <div class="badge">Progressive Verb</div>
        <div class="example">Action in progress</div>
      </div>
    </div>

    <div id="arrow1" class="connector-down">NO ↓</div>

    
    <div class="step-row">
      <div id="q2" class="q-box">
        <span class="q-title">Step 2</span>
        Modifies a noun?
        <span style="font-size:11px; color:#64748b; font-weight:normal;">(Which kind?)</span>
      </div>
      <div id="res2" class="outcome-box participle">
        <div class="badge">Participle (Adj)</div>
        <div class="example">Describes noun</div>
      </div>
    </div>

    <div id="arrow2" class="connector-down">NO ↓</div>

    
    <div class="step-row">
      <div id="q3" class="q-box">
        <span class="q-title">Step 3</span>
        Acts as noun?
        <span style="font-size:11px; color:#64748b; font-weight:normal;">(Can replace with "it")</span>
      </div>
      <div id="res3" class="outcome-box gerund">
        <div class="badge">✦ Gerund (Noun) ✦</div>
        <div class="example">Activity / Concept</div>
      </div>
    </div>
  </div>

  <div id="hint" class="hint-bar">
    <strong>"is running"</strong>: Helping verb <em>is</em> shows ongoing action.
  </div>

  <script>
    const paths = [
      {
        qActive: [1],
        qPassed: [],
        arrows: ['arrow0'],
        result: 'res1',
        hint: '<strong>"is running"</strong> has helping verb <em>is</em> → <strong>Progressive Verb</strong>.'
      },
      {
        qActive: [2],
        qPassed: [1],
        arrows: ['arrow0', 'arrow1'],
        result: 'res2',
        hint: '<strong>"running shoes"</strong> describes the shoes → <strong>Participle (Adjective)</strong>.'
      },
      {
        qActive: [3],
        qPassed: [1, 2],
        arrows: ['arrow0', 'arrow1', 'arrow2'],
        result: 'res3',
        hint: '<strong>"Running is fun"</strong> = <em>"It is fun"</em> (Subject) → <strong>Gerund (Noun)</strong>.'
      }
    ];

    function selectPath(index) {
      // Update Tab Buttons
      const tabs = document.querySelectorAll('.tab-btn');
      tabs.forEach((tab, i) => {
        tab.classList.toggle('active', i === index);
      });

      const config = paths[index];

      // Update Questions
      for (let i = 1; i <= 3; i++) {
        const qEl = document.getElementById('q' + i);
        const resEl = document.getElementById('res' + i);
        
        qEl.classList.remove('active-eval', 'passed');
        if (config.qActive.includes(i)) {
          qEl.classList.add('active-eval');
        } else if (config.qPassed.includes(i)) {
          qEl.classList.add('passed');
        }

        resEl.classList.toggle('selected', config.result === ('res' + i));
      }

      // Update Arrows
      ['arrow0', 'arrow1', 'arrow2'].forEach(arrowId => {
        const arrowEl = document.getElementById(arrowId);
        arrowEl.classList.toggle('active-flow', config.arrows.includes(arrowId));
      });

      // Update Hint
      document.getElementById('hint').innerHTML = config.hint;
    }

    // Initialize with Step 0
    selectPath(0);
  </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">
  <title>3 Jobs of -ing Words</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      background: transparent;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e293b;
      padding: 12px 8px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      user-select: none;
    }

    /* Root Word Pill */
    .root-pill {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: 9999px;
      padding: 6px 20px;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: 0.5px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      z-index: 2;
      display: inline-flex;
      align-items: center;
      gap: 1px;
    }

    .root-pill .suffix {
      color: #d97706;
    }

    /* Branch SVG Lines */
    .branch-svg {
      width: 100%;
      max-width: 580px;
      height: 32px;
      display: block;
      margin: -2px auto 4px auto;
      overflow: visible;
    }

    .branch-line {
      fill: none;
      stroke: #cbd5e1;
      stroke-width: 2;
      stroke-dasharray: 4 3;
      transition: stroke 0.3s ease, stroke-width 0.3s ease;
    }

    .branch-line.active-0 { stroke: #059669; stroke-width: 2.5; stroke-dasharray: none; }
    .branch-line.active-1 { stroke: #2563eb; stroke-width: 2.5; stroke-dasharray: none; }
    .branch-line.active-2 { stroke: #7c3aed; stroke-width: 2.5; stroke-dasharray: none; }

    /* Columns Grid */
    .columns-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      width: 100%;
      max-width: 620px;
    }

    .job-col {
      background: #ffffff;
      border: 2px solid #f1f5f9;
      border-radius: 12px;
      padding: 12px 10px;
      cursor: pointer;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
      position: relative;
    }

    .job-col:hover {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    }

    /* Role Badges */
    .badge {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      padding: 3px 8px;
      border-radius: 6px;
      margin-bottom: 8px;
      line-height: 1.2;
    }

    /* Sentence Box */
    .sentence {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
      line-height: 1.3;
    }

    .question {
      font-size: 11px;
      color: #64748b;
      font-style: italic;
      line-height: 1.2;
    }

    /* Column Themes */
    /* 1. Gerund */
    .job-col.col-gerund .badge { background: #ecfdf5; color: #059669; }
    .job-col.col-gerund .highlight { color: #059669; text-decoration: underline; text-underline-offset: 3px; font-weight: 800; }
    .job-col.col-gerund.active {
      border-color: #059669;
      background: #f0fdf4;
      box-shadow: 0 0 0 1px #059669;
    }

    /* 2. Verb */
    .job-col.col-verb .badge { background: #eff6ff; color: #2563eb; }
    .job-col.col-verb .highlight { color: #2563eb; text-decoration: underline; text-underline-offset: 3px; font-weight: 800; }
    .job-col.col-verb.active {
      border-color: #2563eb;
      background: #f8faff;
      box-shadow: 0 0 0 1px #2563eb;
    }

    /* 3. Adjective */
    .job-col.col-adj .badge { background: #f5f3ff; color: #7c3aed; }
    .job-col.col-adj .highlight { color: #7c3aed; text-decoration: underline; text-underline-offset: 3px; font-weight: 800; }
    .job-col.col-adj.active {
      border-color: #7c3aed;
      background: #faf5ff;
      box-shadow: 0 0 0 1px #7c3aed;
    }

    /* Test Box Area */
    .test-container {
      width: 100%;
      max-width: 620px;
      margin-top: 10px;
      min-height: 70px;
    }

    .test-card {
      display: none;
      background: #ffffff;
      border-radius: 10px;
      padding: 10px 14px;
      border-left: 4px solid #cbd5e1;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
      animation: fadeIn 0.25s ease forwards;
    }

    .test-card.active {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .test-card.test-gerund { border-left-color: #059669; }
    .test-card.test-verb { border-left-color: #2563eb; }
    .test-card.test-adj { border-left-color: #7c3aed; }

    .test-info {
      flex: 1;
    }

    .test-label {
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin-bottom: 2px;
    }

    .test-gerund .test-label { color: #059669; }
    .test-verb .test-label { color: #2563eb; }
    .test-adj .test-label { color: #7c3aed; }

    .test-detail {
      font-size: 13px;
      font-weight: 600;
      color: #1e293b;
    }

    .test-tag {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 7px;
      border-radius: 5px;
      white-space: nowrap;
    }

    .test-gerund .test-tag { background: #ecfdf5; color: #059669; }
    .test-verb .test-tag { background: #eff6ff; color: #2563eb; }
    .test-adj .test-tag { background: #f5f3ff; color: #7c3aed; }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(3px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @media (max-width: 480px) {
      .columns-grid {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .branch-svg {
        display: none;
      }
      .root-pill {
        margin-bottom: 12px;
      }
      .test-card.active {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }
    }
  </style>
</head>
<body>

  
  <div class="root-pill">
    runn<span class="suffix">ing</span>
  </div>

  
  <svg class="branch-svg" viewBox="0 0 600 32" preserveAspectRatio="none">
    <path id="path-0" class="branch-line active-0" d="M 300 0 C 300 16, 100 16, 100 32" />
    <path id="path-1" class="branch-line" d="M 300 0 L 300 32" />
    <path id="path-2" class="branch-line" d="M 300 0 C 300 16, 500 16, 500 32" />
  </svg>

  
  <div class="columns-grid">
    
    <div class="job-col col-gerund active" onclick="selectJob(0)">
      <span class="badge">Noun (Gerund)</span>
      <div class="sentence"><span class="highlight">Running</span> is fun.</div>
      <div class="question">Subject: "What is fun?"</div>
    </div>

    
    <div class="job-col col-verb" onclick="selectJob(1)">
      <span class="badge">Action Verb</span>
      <div class="sentence">She <span class="highlight">is running</span>.</div>
      <div class="question">Action: "What is she doing?"</div>
    </div>

    
    <div class="job-col col-adj" onclick="selectJob(2)">
      <span class="badge">Adjective</span>
      <div class="sentence"><span class="highlight">running</span> shoes</div>
      <div class="question">Modifies: "What kind?"</div>
    </div>
  </div>

  
  <div class="test-container">
    
    <div id="test-0" class="test-card test-gerund active">
      <div class="test-info">
        <div class="test-label">Substitution Test</div>
        <div class="test-detail">Replace with noun ➔ <strong>"Pizza is fun."</strong></div>
      </div>
      <div class="test-tag">✓ Acts as Noun</div>
    </div>

    
    <div id="test-1" class="test-card test-verb">
      <div class="test-info">
        <div class="test-label">Verb Test</div>
        <div class="test-detail">Pairs with helper verb ➔ <strong>is / was running</strong></div>
      </div>
      <div class="test-tag">✓ Shows Action</div>
    </div>

    
    <div id="test-2" class="test-card test-adj">
      <div class="test-info">
        <div class="test-label">Substitution Test</div>
        <div class="test-detail">Replace with adjective ➔ <strong>"Red shoes"</strong></div>
      </div>
      <div class="test-tag">✓ Describes Noun</div>
    </div>
  </div>

  <script>
    function selectJob(index) {
      const cols = document.querySelectorAll('.job-col');
      const tests = document.querySelectorAll('.test-card');
      const paths = [
        document.getElementById('path-0'),
        document.getElementById('path-1'),
        document.getElementById('path-2')
      ];

      cols.forEach((c, i) => c.classList.toggle('active', i === index));
      tests.forEach((t, i) => t.classList.toggle('active', i === index));

      paths.forEach((p, i) => {
        p.className.baseVal = 'branch-line' + (i === index ? ` active-${i}` : '');
      });
    }
  </script>
</body>
</html>

OGE.9.L.1

Aligned learning resources

Related diagrams