<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>b11 - Solar Generation Analysis</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #1e2945;
      background: transparent;
      padding: 8px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .layout {
      display: flex;
      flex-direction: row;
      gap: 10px;
      align-items: stretch;
    }
    @media (max-width: 540px) {
      .layout {
        flex-direction: column;
      }
    }
    .panel {
      flex: 1;
      background: #ffffff;
      border: 1px solid #e6e6e6;
      border-radius: 8px;
      padding: 12px 14px;
      display: flex;
      flex-direction: column;
    }
    .panel-header {
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: #64748b;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .quote-panel {
      border-left: 4px solid #0284c7;
      justify-content: flex-start;
    }
    .quote-content {
      font-size: 14px;
      line-height: 1.65;
      color: #1e2945;
      font-style: normal;
      display: block;
      margin: auto 0;
    }
    .hl-blue {
      background: #e0f2fe;
      color: #0369a1;
      font-weight: 600;
      padding: 2px 6px;
      border-radius: 4px;
      display: inline;
    }
    .hl-orange {
      background: #ffedd5;
      color: #c2410c;
      font-weight: 600;
      padding: 2px 6px;
      border-radius: 4px;
      display: inline;
    }
    .hl-target {
      border-bottom: 2px dashed #64748b;
      font-weight: 600;
      padding-bottom: 1px;
      display: inline;
    }
    .chart-panel {
      min-height: 190px;
    }
    .chart-wrapper {
      position: relative;
      width: 100%;
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    svg {
      width: 100%;
      height: auto;
      display: block;
      overflow: visible;
    }
    .bar {
      transition: opacity 0.25s ease, fill 0.25s ease;
    }
    .bar-apr, .bar-oct {
      fill: #cbd5e1;
    }
    .bar-jul {
      fill: #0284c7;
    }
    .bar-dec {
      fill: #f97316;
    }
    .bar-val {
      font-size: 11px;
      font-weight: 700;
      text-anchor: middle;
      transition: opacity 0.25s ease;
    }
    .axis-label {
      font-size: 11px;
      font-weight: 600;
      fill: #64748b;
      text-anchor: middle;
    }
    .y-axis-label {
      font-size: 9.5px;
      font-weight: 500;
      fill: #94a3b8;
      text-anchor: end;
    }
    .grid-line {
      stroke: #f1f5f9;
      stroke-width: 1;
    }
    .axis-base {
      stroke: #cbd5e1;
      stroke-width: 1;
    }
    .threshold-line {
      stroke: #dc2626;
      stroke-dasharray: 4 3;
      stroke-width: 1.5;
      transition: opacity 0.25s ease;
    }
    .threshold-text {
      font-size: 9.5px;
      font-weight: 700;
      fill: #dc2626;
      text-anchor: start;
      transition: opacity 0.25s ease;
    }
    .callout-badge {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background: #ecfdf5;
      border: 1px solid #a7f3d0;
      color: #065f46;
      font-size: 13px;
      font-weight: 700;
      padding: 7px 12px;
      border-radius: 6px;
      text-align: center;
      transition: all 0.2s ease;
    }
    .stepper {
      display: flex;
      gap: 6px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .step-btn {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 6px;
      padding: 5px 12px;
      font-size: 12px;
      font-weight: 600;
      color: #475569;
      cursor: pointer;
      transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    }
    .step-btn:hover {
      background: #f8fafc;
      border-color: #94a3b8;
    }
    .step-btn.active {
      background: #0284c7;
      border-color: #0284c7;
      color: #ffffff;
    }
  </style>
</head>
<body>

  <div class="layout">
    
    <div class="panel quote-panel">
      <div class="panel-header">Technical Text Claim</div>
      <div class="quote-content" id="quoteText">
        &ldquo;In December, solar generation falls to <span class="hl-target">less than half</span> of the <span class="hl-blue">July peak</span>, dropping down to just <span class="hl-orange">160 kWh</span>.&rdquo;
      </div>
    </div>

    
    <div class="panel chart-panel">
      <div class="panel-header">Monthly Solar Energy (kWh)</div>
      <div class="chart-wrapper">
        <svg viewBox="0 0 350 170" aria-label="Monthly Solar Energy Chart">
          
          <line x1="28" y1="20" x2="340" y2="20" class="grid-line" />
          <text x="24" y="23" class="y-axis-label">400</text>

          <line x1="28" y1="50" x2="340" y2="50" class="grid-line" />
          <text x="24" y="53" class="y-axis-label">300</text>

          <line x1="28" y1="80" x2="340" y2="80" class="grid-line" />
          <text x="24" y="83" class="y-axis-label">200</text>

          <line x1="28" y1="110" x2="340" y2="110" class="grid-line" />
          <text x="24" y="113" class="y-axis-label">100</text>

          <line x1="28" y1="140" x2="340" y2="140" class="axis-base" />
          <text x="24" y="143" class="y-axis-label">0</text>

          
          <line x1="28" y1="80" x2="340" y2="80" class="threshold-line" id="thresholdLine" />
          
          
          <text x="238" y="74" class="threshold-text" id="thresholdLabel">Half of Peak (200 kWh)</text>

          
          <rect class="bar bar-apr" id="barApr" x="42" y="56" width="34" height="84" rx="3" />
          <text x="59" y="48" class="bar-val" id="valApr" fill="#64748b">280</text>
          <text x="59" y="155" class="axis-label">Apr</text>

          
          <rect class="bar bar-jul" id="barJul" x="94" y="20" width="34" height="120" rx="3" />
          <text x="111" y="37" class="bar-val" id="valJul" fill="#ffffff">400</text>
          <text x="111" y="155" class="axis-label">Jul</text>

          
          <rect class="bar bar-oct" id="barOct" x="146" y="65" width="34" height="75" rx="3" />
          <text x="163" y="58" class="bar-val" id="valOct" fill="#64748b">250</text>
          <text x="163" y="155" class="axis-label">Oct</text>

          
          <rect class="bar bar-dec" id="barDec" x="198" y="92" width="34" height="48" rx="3" />
          <text x="215" y="86" class="bar-val" id="valDec" fill="#c2410c">160</text>
          <text x="215" y="155" class="axis-label">Dec</text>
        </svg>
      </div>
    </div>
  </div>

  
  <div class="callout-badge" id="calloutBadge">
    <span id="calloutIcon">✓</span>
    <span id="calloutText">160 kWh &lt; 200 kWh → Claim Verified!</span>
  </div>

  
  <div class="stepper">
    <button class="step-btn" data-step="0">1. Peak (July)</button>
    <button class="step-btn" data-step="1">2. Half Peak (200)</button>
    <button class="step-btn active" data-step="2">3. Verify (Dec)</button>
  </div>

  <script>
    const btns = document.querySelectorAll('.step-btn');
    const barJul = document.getElementById('barJul');
    const barDec = document.getElementById('barDec');
    const barApr = document.getElementById('barApr');
    const barOct = document.getElementById('barOct');
    const valApr = document.getElementById('valApr');
    const valOct = document.getElementById('valOct');
    const line = document.getElementById('thresholdLine');
    const label = document.getElementById('thresholdLabel');
    const callout = document.getElementById('calloutBadge');
    const calloutIcon = document.getElementById('calloutIcon');
    const calloutText = document.getElementById('calloutText');

    function setStep(idx) {
      btns.forEach((b, i) => b.classList.toggle('active', i === idx));

      if (idx === 0) {
        barJul.style.opacity = '1';
        barDec.style.opacity = '0.2';
        barApr.style.opacity = '0.2';
        barOct.style.opacity = '0.2';
        valApr.style.opacity = '0.2';
        valOct.style.opacity = '0.2';
        line.style.opacity = '0.15';
        label.style.opacity = '0.15';
        callout.style.background = '#e0f2fe';
        callout.style.borderColor = '#bae6fd';
        callout.style.color = '#0369a1';
        calloutIcon.textContent = 'ℹ';
        calloutText.textContent = 'Peak generation occurs in July: 400 kWh';
      } else if (idx === 1) {
        barJul.style.opacity = '0.7';
        barDec.style.opacity = '0.2';
        barApr.style.opacity = '0.2';
        barOct.style.opacity = '0.2';
        valApr.style.opacity = '0.2';
        valOct.style.opacity = '0.2';
        line.style.opacity = '1';
        label.style.opacity = '1';
        callout.style.background = '#fef2f2';
        callout.style.borderColor = '#fecaca';
        callout.style.color = '#991b1b';
        calloutIcon.textContent = '÷';
        calloutText.textContent = 'Half of peak threshold: 400 ÷ 2 = 200 kWh';
      } else {
        barJul.style.opacity = '1';
        barDec.style.opacity = '1';
        barApr.style.opacity = '0.5';
        barOct.style.opacity = '0.5';
        valApr.style.opacity = '0.5';
        valOct.style.opacity = '0.5';
        line.style.opacity = '1';
        label.style.opacity = '1';
        callout.style.background = '#ecfdf5';
        callout.style.borderColor = '#a7f3d0';
        callout.style.color = '#065f46';
        calloutIcon.textContent = '✓';
        calloutText.textContent = '160 kWh < 200 kWh → Claim Verified!';
      }
    }

    btns.forEach((btn) => {
      btn.addEventListener('click', () => {
        setStep(parseInt(btn.getAttribute('data-step'), 10));
      });
    });

    setStep(2);
  </script>
</body>
</html>

Integrating Quantitative Data and Charts with Technical Texts

<!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>Drone Battery Drain Rate Analysis</title>
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      color: #1e2945;
      background: #ffffff;
      padding: 10px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    /* Top Controls */
    .header-bar {
      display: flex;
      flex-direction: column;
      gap: 6px;
      align-items: center;
      text-align: center;
    }
    .diagram-title {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      letter-spacing: -0.01em;
    }
    .segmented-control {
      display: flex;
      background: #f1f5f9;
      padding: 3px;
      border-radius: 8px;
      gap: 2px;
      width: 100%;
      max-width: 480px;
    }
    .segment-btn {
      flex: 1;
      border: none;
      background: transparent;
      padding: 6px 4px;
      font-size: 12px;
      font-weight: 600;
      color: #64748b;
      border-radius: 6px;
      cursor: pointer;
      transition: all 0.25s ease;
      white-space: nowrap;
      text-align: center;
    }
    .segment-btn.active {
      background: #ffffff;
      color: #0f172a;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }

    /* Chart Area */
    .chart-container {
      position: relative;
      width: 100%;
      max-width: 580px;
      margin: 0 auto;
    }
    svg {
      display: block;
      width: 100%;
      height: auto;
      overflow: visible;
    }
    
    .grid-line {
      stroke: #f1f5f9;
      stroke-width: 1;
    }
    .axis-line {
      stroke: #cbd5e1;
      stroke-width: 1.5;
    }
    .axis-label {
      font-size: 10px;
      fill: #64748b;
      font-weight: 500;
      font-family: inherit;
    }
    .axis-title {
      font-size: 10.5px;
      fill: #475569;
      font-weight: 600;
      font-family: inherit;
    }
    
    /* Interactive segments */
    .flight-segment {
      transition: opacity 0.3s ease, stroke-width 0.3s ease;
      cursor: pointer;
    }
    .segment-dim {
      opacity: 0.2;
    }
    .segment-focus {
      opacity: 1;
    }

    /* Overlay Badge Pills */
    .chart-pill {
      font-size: 9.5px;
      font-weight: 600;
      transition: opacity 0.3s ease, transform 0.3s ease;
      pointer-events: none;
    }
    .pill-phase1 rect {
      fill: #eff6ff;
      stroke: #93c5fd;
      stroke-width: 1;
    }
    .pill-phase1 text {
      fill: #1d4ed8;
    }
    .pill-phase2 rect {
      fill: #fef2f2;
      stroke: #fca5a5;
      stroke-width: 1;
    }
    .pill-phase2 text {
      fill: #b91c1c;
    }

    /* Bottom Educational Panel */
    .panel-card {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 10px 12px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      max-width: 580px;
      width: 100%;
      margin: 0 auto;
      min-height: 72px;
      box-sizing: border-box;
    }
    @media (max-width: 440px) {
      .panel-card {
        grid-template-columns: 1fr;
        gap: 6px;
        min-height: 96px;
      }
      .diagram-title {
        font-size: 14px;
      }
      .segment-btn {
        font-size: 11px;
        padding: 5px 2px;
      }
    }
    .panel-col {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 2px;
    }
    .col-label {
      font-size: 10.5px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      color: #64748b;
    }
    .log-quote {
      font-size: 12.5px;
      font-style: italic;
      color: #1e2945;
      line-height: 1.35;
    }
    .calc-box {
      font-size: 12px;
      font-weight: 600;
      color: #0f172a;
      line-height: 1.35;
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
    }
    .rate-tag {
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 700;
      font-size: 11.5px;
    }
    .rate-blue {
      background: #dbeafe;
      color: #1e40af;
    }
    .rate-red {
      background: #fee2e2;
      color: #991b1b;
    }
  </style>
</head>
<body>

  
  <div class="header-bar">
    <div class="diagram-title">Drone Battery Drain vs. Flight Time</div>
    <div class="segmented-control" role="tablist">
      <button class="segment-btn active" id="btn-full" onclick="setPhase('full')">Full Flight</button>
      <button class="segment-btn" id="btn-p1" onclick="setPhase('p1')">0–15 min (Steady)</button>
      <button class="segment-btn" id="btn-p2" onclick="setPhase('p2')">15–25 min (Rapid)</button>
    </div>
  </div>

  
  <div class="chart-container">
    <svg viewBox="0 0 540 270" width="100%" height="100%" aria-label="Drone Battery Drain Graph">
      
      
      <line x1="55" y1="30" x2="495" y2="30" class="grid-line" />
      <line x1="55" y1="68" x2="495" y2="68" class="grid-line" />
      <line x1="55" y1="106" x2="495" y2="106" class="grid-line" />
      <line x1="55" y1="144" x2="495" y2="144" class="grid-line" />
      <line x1="55" y1="182" x2="495" y2="182" class="grid-line" />
      <line x1="55" y1="220" x2="495" y2="220" class="grid-line" />

      
      <line x1="143" y1="30" x2="143" y2="220" class="grid-line" />
      <line x1="231" y1="30" x2="231" y2="220" class="grid-line" />
      <line x1="407" y1="30" x2="407" y2="220" class="grid-line" />

      
      <line x1="55" y1="220" x2="495" y2="220" class="axis-line" />
      <line x1="55" y1="30" x2="55" y2="220" class="axis-line" />

      
      <text x="48" y="34" class="axis-label" text-anchor="end">100%</text>
      <text x="48" y="72" class="axis-label" text-anchor="end">80%</text>
      <text x="48" y="110" class="axis-label" text-anchor="end">60%</text>
      <text x="48" y="148" class="axis-label" text-anchor="end">40%</text>
      <text x="48" y="186" class="axis-label" text-anchor="end">20%</text>
      <text x="48" y="224" class="axis-label" text-anchor="end">0%</text>
      
      <text x="16" y="125" class="axis-title" text-anchor="middle" transform="rotate(-90 16 125)">Battery (%)</text>

      
      <text x="55" y="238" class="axis-label" text-anchor="middle">0</text>
      <text x="143" y="238" class="axis-label" text-anchor="middle">5</text>
      <text x="231" y="238" class="axis-label" text-anchor="middle">10</text>
      <text x="319" y="238" class="axis-label" text-anchor="middle">15</text>
      <text x="407" y="238" class="axis-label" text-anchor="middle">20</text>
      <text x="495" y="238" class="axis-label" text-anchor="middle">25</text>

      <text x="275" y="258" class="axis-title" text-anchor="middle">Flight Time (minutes)</text>

      
      <line x1="319" y1="30" x2="319" y2="220" stroke="#64748b" stroke-width="1.5" stroke-dasharray="4 3" />
      <g transform="translate(319, 18)">
        <rect x="-70" y="-12" width="140" height="18" rx="4" fill="#f1f5f9" stroke="#cbd5e1" stroke-width="1" />
        <text x="0" y="0.5" text-anchor="middle" font-size="9" font-weight="700" fill="#475569">Minute 15: Rapid Drain Begins</text>
      </g>

      
      <g id="seg1-group" class="flight-segment" onclick="setPhase('p1')">
        <line x1="55" y1="30" x2="319" y2="87" stroke="#2563eb" stroke-width="3.5" stroke-linecap="round" />
        
        <g class="chart-pill pill-phase1" transform="translate(140, 42)">
          <rect x="0" y="0" width="138" height="20" rx="10" />
          <text x="69" y="13.5" text-anchor="middle">Steady: −2%/min (Δ30% / 15m)</text>
        </g>
      </g>

      
      <g id="seg2-group" class="flight-segment" onclick="setPhase('p2')">
        <line x1="319" y1="87" x2="495" y2="201" stroke="#dc2626" stroke-width="3.5" stroke-linecap="round" />
        
        <g class="chart-pill pill-phase2" transform="translate(335, 126)">
          <rect x="0" y="0" width="146" height="20" rx="10" />
          <text x="73" y="13.5" text-anchor="middle">Rapid: −6%/min (Δ60% / 10m)</text>
        </g>
      </g>

      
      
      <circle cx="55" cy="30" r="4.5" fill="#ffffff" stroke="#2563eb" stroke-width="2.5" />
      <text x="55" y="21" font-size="10" font-weight="700" fill="#2563eb" text-anchor="middle">100%</text>

      
      <circle cx="319" cy="87" r="5" fill="#ffffff" stroke="#0f172a" stroke-width="2.5" />
      <text x="319" y="79" font-size="10" font-weight="700" fill="#0f172a" text-anchor="middle">70%</text>

      
      <circle cx="495" cy="201" r="4.5" fill="#ffffff" stroke="#dc2626" stroke-width="2.5" />
      <text x="495" y="193" font-size="10" font-weight="700" fill="#dc2626" text-anchor="middle">10%</text>
    </svg>
  </div>

  
  <div class="panel-card" id="info-panel">
    <div class="panel-col">
      <span class="col-label" id="panel-quote-label">Flight Log Quote</span>
      <p class="log-quote" id="panel-quote">"Drone held standard drain until min 15, then dropped sharply under high-speed payload mode."</p>
    </div>
    <div class="panel-col">
      <span class="col-label" id="panel-calc-label">Slope Comparison (Δy / Δx)</span>
      <div class="calc-box" id="panel-calc">
        <span class="rate-tag rate-blue">−2.0%/min</span> vs <span class="rate-tag rate-red">−6.0%/min (3× steeper)</span>
      </div>
    </div>
  </div>

  <script>
    const data = {
      full: {
        quote: '"Drone held standard drain until min 15, then dropped sharply under high-speed payload mode."',
        calc: '<span class="rate-tag rate-blue">−2%/min (0–15m)</span> vs <span class="rate-tag rate-red">−6%/min (15–25m)</span>',
        quoteLabel: 'Flight Log Quote',
        calcLabel: 'Slope Comparison (Δy / Δx)'
      },
      p1: {
        quote: '"The drone maintained steady battery consumption during initial level cruising."',
        calc: 'Slope = <span class="rate-tag rate-blue">(70% − 100%) / 15m = −2.0%/min</span>',
        quoteLabel: 'Phase 1 Log Quote',
        calcLabel: 'Phase 1 Slope Calculation'
      },
      p2: {
        quote: '"Power drain accelerated dramatically once auxiliary thrusters engaged."',
        calc: 'Slope = <span class="rate-tag rate-red">(10% − 70%) / 10m = −6.0%/min</span>',
        quoteLabel: 'Phase 2 Log Quote',
        calcLabel: 'Phase 2 Slope Calculation'
      }
    };

    function setPhase(phase) {
      // Toggle button states
      document.getElementById('btn-full').classList.toggle('active', phase === 'full');
      document.getElementById('btn-p1').classList.toggle('active', phase === 'p1');
      document.getElementById('btn-p2').classList.toggle('active', phase === 'p2');

      // Update segment visual highlights
      const seg1 = document.getElementById('seg1-group');
      const seg2 = document.getElementById('seg2-group');

      if (phase === 'full') {
        seg1.classList.remove('segment-dim');
        seg2.classList.remove('segment-dim');
      } else if (phase === 'p1') {
        seg1.classList.remove('segment-dim');
        seg2.classList.add('segment-dim');
      } else if (phase === 'p2') {
        seg1.classList.add('segment-dim');
        seg2.classList.remove('segment-dim');
      }

      // Update educational bottom panel
      document.getElementById('panel-quote').textContent = data[phase].quote;
      document.getElementById('panel-calc').innerHTML = data[phase].calc;
      document.getElementById('panel-quote-label').textContent = data[phase].quoteLabel;
      document.getElementById('panel-calc-label').textContent = data[phase].calcLabel;
    }
  </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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }

    body {
      background-color: #ffffff;
      color: #1e2945;
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      justify-content: center;
      min-height: 100%;
    }

    .table-container {
      width: 100%;
      border: 1px solid #e6e6e6;
      border-radius: 10px;
      overflow: hidden;
      background: #ffffff;
    }

    .grid-row {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr 1.3fr;
      align-items: center;
      padding: 10px 12px;
      border-bottom: 1px solid #f0f0f0;
      font-size: 13px;
    }

    .grid-row:last-child {
      border-bottom: none;
    }

    .grid-header {
      background-color: #f8fafc;
      font-weight: 600;
      color: #64748b;
      text-transform: uppercase;
      font-size: 11px;
      letter-spacing: 0.5px;
      border-bottom: 1px solid #e6e6e6;
    }

    .system-name {
      font-weight: 600;
      color: #1e2945;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .rate-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 6px;
      background: #f1f5f9;
      color: #0f172a;
      width: fit-content;
    }

    .highlight-rate {
      background: #e0f2fe;
      color: #0369a1;
    }

    .bar-container {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 8px 12px;
      background: #fbfcfd;
      border-radius: 8px;
      border: 1px solid #f1f5f9;
    }

    .bar-track {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 500;
    }

    .bar-label {
      width: 75px;
      color: #64748b;
    }

    .bar-fill-wrap {
      flex: 1;
      height: 8px;
      background: #e2e8f0;
      border-radius: 4px;
      overflow: hidden;
    }

    .bar-fill {
      height: 100%;
      border-radius: 4px;
      transition: width 0.4s ease;
    }

    .bar-frost {
      width: 100%;
      background: #0284c7;
    }

    .bar-breeze {
      width: 50%;
      background: #94a3b8;
    }

    .bar-val {
      width: 32px;
      text-align: right;
      font-weight: 600;
      color: #1e2945;
    }

    .alert-card {
      background-color: #fff1f2;
      border: 1px solid #fecdd3;
      border-radius: 8px;
      padding: 12px 14px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #9f1239;
    }

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

    .alert-content {
      font-size: 13px;
      line-height: 1.4;
    }

    .alert-formula {
      font-weight: 700;
      color: #881337;
    }

    @media (max-width: 420px) {
      body {
        padding: 10px;
        gap: 8px;
      }
      .grid-row {
        grid-template-columns: 1fr 0.9fr 0.9fr 1.1fr;
        padding: 8px 6px;
        font-size: 12px;
      }
      .grid-header {
        font-size: 10px;
      }
      .rate-badge {
        padding: 2px 4px;
        font-size: 11px;
      }
      .bar-label {
        width: 55px;
      }
      .alert-card {
        padding: 10px;
        font-size: 12px;
      }
    }
  </style>
</head>
<body>

  
  <div class="table-container">
    <div class="grid-row grid-header">
      <div>System</div>
      <div>Temp Drop</div>
      <div>Time</div>
      <div>Cooling Rate</div>
    </div>

    
    <div class="grid-row">
      <div class="system-name">❄️ Frost</div>
      <div>30°C</div>
      <div>6 min</div>
      <div>
        <span class="rate-badge highlight-rate">5.0°C / min</span>
      </div>
    </div>

    
    <div class="grid-row">
      <div class="system-name">💨 Breeze</div>
      <div>30°C</div>
      <div>12 min</div>
      <div>
        <span class="rate-badge">2.5°C / min</span>
      </div>
    </div>
  </div>

  
  <div class="bar-container">
    <div class="bar-track">
      <span class="bar-label">Frost</span>
      <div class="bar-fill-wrap">
        <div class="bar-fill bar-frost"></div>
      </div>
      <span class="bar-val">5.0</span>
    </div>
    <div class="bar-track">
      <span class="bar-label">Breeze</span>
      <div class="bar-fill-wrap">
        <div class="bar-fill bar-breeze"></div>
      </div>
      <span class="bar-val">2.5</span>
    </div>
  </div>

  
  <div class="alert-card">
    <div class="alert-icon">⚠️</div>
    <div class="alert-content">
      <span class="alert-formula">5.0 ÷ 2.5 = 2× faster</span> (NOT 3× faster). Claim is inaccurate.
    </div>
  </div>

</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      color: #1e2945;
      background: #ffffff;
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      user-select: none;
    }

    /* Claim Banner */
    .claim-card {
      background: #f8fafc;
      border: 1.5px solid #cbd5e1;
      border-left: 4px solid #64748b;
      border-radius: 8px;
      padding: 8px 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .claim-badge {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      background: #e2e8f0;
      color: #475569;
      padding: 2px 6px;
      border-radius: 4px;
      white-space: nowrap;
    }
    .claim-text {
      font-size: 13px;
      font-weight: 600;
      color: #1e2945;
    }

    /* Graph Container */
    .graph-wrap {
      position: relative;
      width: 100%;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      padding: 6px 4px 2px 4px;
    }
    .graph-title {
      font-size: 12px;
      font-weight: 700;
      color: #1e2945;
      text-align: center;
      margin-bottom: 2px;
    }
    svg {
      width: 100%;
      height: auto;
      display: block;
      overflow: visible;
    }

    /* Alert Box */
    .alert-box {
      border-radius: 8px;
      padding: 8px 12px;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12.5px;
      font-weight: 600;
      transition: all 0.3s ease;
      min-height: 42px;
    }
    .alert-box.discrepancy {
      background: #fef2f2;
      border: 1.5px solid #ef4444;
      color: #991b1b;
    }
    .alert-box.normal {
      background: #f0fdf4;
      border: 1.5px solid #22c55e;
      color: #166534;
    }
    .alert-icon {
      font-size: 16px;
      line-height: 1;
    }

    /* Controls */
    .controls {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      flex-wrap: wrap;
    }
    .btn-group {
      display: flex;
      gap: 6px;
    }
    .temp-btn {
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      color: #1e2945;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 6px;
      cursor: pointer;
      transition: background 0.2s;
    }
    .temp-btn.active {
      background: #1e2945;
      color: #ffffff;
      border-color: #1e2945;
    }
    .slider-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
      min-width: 140px;
      justify-content: flex-end;
    }
    .slider-label {
      font-size: 12px;
      font-weight: 600;
      color: #64748b;
      white-space: nowrap;
    }
    input[type=range] {
      flex: 1;
      max-width: 130px;
      accent-color: #1e2945;
      cursor: pointer;
    }
  </style>
</head>
<body>

  
  <div class="claim-card">
    <span class="claim-badge">Text Claim</span>
    <span class="claim-text">"Panel efficiency increases continuously with higher operating temperatures."</span>
  </div>

  
  <div class="graph-wrap">
    <div class="graph-title">Solar Cell Efficiency vs. Temperature (°C)</div>
    <svg viewBox="0 0 500 210">
      <defs>
        
        <linearGradient id="alertGrad" x1="0" y1="0" x2="0" y2="1">
          <stop offset="0%" stop-color="#ef4444" stop-opacity="0.18" />
          <stop offset="100%" stop-color="#ef4444" stop-opacity="0.02" />
        </linearGradient>
      </defs>

      
      <rect x="278" y="25" width="182" height="150" fill="url(#alertGrad)" />
      <line x1="278" y1="25" x2="278" y2="175" stroke="#ef4444" stroke-width="1.5" stroke-dasharray="4,4" />
      <text x="369" y="42" fill="#ef4444" font-size="11" font-weight="700" text-anchor="middle">Thermal Degradation (T &gt; 45°C)</text>

      
      <line x1="50" y1="175" x2="460" y2="175" stroke="#e2e8f0" stroke-width="1" />
      <line x1="50" y1="125" x2="460" y2="125" stroke="#f1f5f9" stroke-width="1" />
      <line x1="50" y1="75" x2="460" y2="75" stroke="#f1f5f9" stroke-width="1" />
      <line x1="50" y1="25" x2="460" y2="25" stroke="#f1f5f9" stroke-width="1" />

      
      <text x="42" y="179" fill="#94a3b8" font-size="10" text-anchor="end">0%</text>
      <text x="42" y="129" fill="#94a3b8" font-size="10" text-anchor="end">10%</text>
      <text x="42" y="79" fill="#94a3b8" font-size="10" text-anchor="end">20%</text>
      <text x="42" y="29" fill="#94a3b8" font-size="10" text-anchor="end">30%</text>

      
      <text x="50" y="193" fill="#64748b" font-size="11" font-weight="600" text-anchor="middle">20°C</text>
      <text x="164" y="193" fill="#64748b" font-size="11" font-weight="600" text-anchor="middle">35°C</text>
      <text x="278" y="193" fill="#ef4444" font-size="11" font-weight="700" text-anchor="middle">45°C</text>
      <text x="460" y="193" fill="#64748b" font-size="11" font-weight="600" text-anchor="middle">65°C</text>

      
      <path d="M 50,115 L 278,55 L 460,15" fill="none" stroke="#94a3b8" stroke-width="2" stroke-dasharray="5,4" />
      <text x="458" y="12" fill="#64748b" font-size="10" font-weight="600" text-anchor="end">Claimed Trend ↗</text>

      
      
      
      <path d="M 50,115 C 150,85 240,55 278,55 C 320,55 380,95 460,135" fill="none" stroke="#2563eb" stroke-width="3" stroke-linecap="round" />

      
      <circle cx="278" cy="55" r="4.5" fill="#ef4444" stroke="#ffffff" stroke-width="1.5" />
      <text x="278" y="70" fill="#1e2945" font-size="10.5" font-weight="700" text-anchor="middle">Peak (24%)</text>

      
      <line id="probeLine" x1="278" y1="25" x2="278" y2="175" stroke="#1e2945" stroke-width="1.5" stroke-dasharray="3,3" />
      <circle id="probePoint" cx="278" cy="55" r="6" fill="#1e2945" stroke="#ffffff" stroke-width="2" />
    </svg>
  </div>

  
  <div id="alertBox" class="alert-box discrepancy">
    <span class="alert-icon" id="alertIcon">⚠️</span>
    <span id="alertMsg">Discrepancy Detected: The author's absolute claim ignores the high-temperature decline!</span>
  </div>

  
  <div class="controls">
    <div class="btn-group">
      <button class="temp-btn" onclick="setTemp(25)">25°C</button>
      <button class="temp-btn active" onclick="setTemp(45)">45°C (Peak)</button>
      <button class="temp-btn" onclick="setTemp(60)">60°C (Decline)</button>
    </div>
    <div class="slider-wrap">
      <span class="slider-label" id="tempDisplay">Temp: 45°C</span>
      <input type="range" id="tempSlider" min="20" max="65" value="45" oninput="onSlider(this.value)">
    </div>
  </div>

  <script>
    // Exact mathematical curve calculation for SVG matching
    function getCurveY(t) {
      if (t <= 45) {
        // Rises from 12% at 20C to 24% at 45C (Y: 115 down to 55)
        const prog = (t - 20) / (45 - 20);
        return 115 - (60 * Math.sin(prog * Math.PI / 2));
      } else {
        // Drops from 24% at 45C to 8% at 65C (Y: 55 down to 135)
        const prog = (t - 45) / (65 - 45);
        return 55 + (80 * (prog * prog * 0.5 + prog * 0.5));
      }
    }

    function getX(t) {
      // Map 20°C-65°C to 50px-460px
      return 50 + ((t - 20) / 45) * 410;
    }

    function updateProbe(t) {
      const x = getX(t);
      const y = getCurveY(t);

      const probeLine = document.getElementById('probeLine');
      const probePoint = document.getElementById('probePoint');
      const alertBox = document.getElementById('alertBox');
      const alertIcon = document.getElementById('alertIcon');
      const alertMsg = document.getElementById('alertMsg');
      const tempDisplay = document.getElementById('tempDisplay');

      // Update probe line with explicit x1, y1, x2, y2
      probeLine.setAttribute('x1', x);
      probeLine.setAttribute('y1', 25);
      probeLine.setAttribute('x2', x);
      probeLine.setAttribute('y2', 175);

      // Update probe circle
      probePoint.setAttribute('cx', x);
      probePoint.setAttribute('cy', y);

      tempDisplay.textContent = 'Temp: ' + Math.round(t) + '°C';

      if (t > 45) {
        probePoint.setAttribute('fill', '#ef4444');
        probeLine.setAttribute('stroke', '#ef4444');
        alertBox.className = 'alert-box discrepancy';
        alertIcon.textContent = '⚠️';
        alertMsg.textContent = "Discrepancy Detected: The author's absolute claim ignores the high-temperature decline!";
      } else {
        probePoint.setAttribute('fill', '#2563eb');
        probeLine.setAttribute('stroke', '#64748b');
        alertBox.className = 'alert-box normal';
        alertIcon.textContent = '✓';
        alertMsg.textContent = 'Matches claim below 45°C: Efficiency increases as temperature rises.';
      }

      // Sync button states
      document.querySelectorAll('.temp-btn').forEach(btn => {
        const val = parseInt(btn.getAttribute('onclick').match(/\d+/)[0]);
        btn.classList.toggle('active', Math.abs(val - t) < 2);
      });
    }

    function onSlider(val) {
      updateProbe(parseFloat(val));
    }

    function setTemp(t) {
      document.getElementById('tempSlider').value = t;
      updateProbe(t);
    }

    // Initial render
    updateProbe(45);
  </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 {
      width: 100%;
      min-height: 100%;
      background: #f8f9fa;
      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;
    }

    .workflow {
      width: 100%;
      max-width: 640px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    @media (max-width: 520px) {
      .workflow {
        grid-template-columns: 1fr;
        gap: 10px;
      }
    }

    .step-card {
      background: #ffffff;
      border: 1px solid #e6e6e6;
      border-radius: 12px;
      padding: 14px 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      cursor: pointer;
      transition: box-shadow 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
      user-select: none;
    }

    .step-card:focus {
      outline: none;
    }

    /* Step Themes */
    .step-card.step-1 { --accent: #2563eb; --accent-bg: #eff6ff; --accent-border: #bfdbfe; }
    .step-card.step-2 { --accent: #d97706; --accent-bg: #fffbeb; --accent-border: #fde68a; }
    .step-card.step-3 { --accent: #16a34a; --accent-bg: #f0fdf4; --accent-border: #bbf7d0; }

    .step-card.active {
      border-color: var(--accent);
      box-shadow: 0 0 0 2px var(--accent), 0 4px 12px rgba(0, 0, 0, 0.05);
      background: #ffffff;
    }

    .badge {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--accent-bg);
      color: var(--accent);
      border: 1px solid var(--accent-border);
      font-size: 13px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 8px;
    }

    .title {
      font-size: 14px;
      font-weight: 700;
      color: #1e2945;
      margin-bottom: 12px;
      line-height: 1.2;
    }

    .visual-box {
      width: 100%;
      height: 96px;
      background: var(--accent-bg);
      border: 1px solid var(--accent-border);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }

    /* Step 1 Visual: Highlighted Text */
    .text-mock {
      display: flex;
      flex-direction: column;
      gap: 6px;
      width: 80%;
    }
    .text-line {
      height: 6px;
      background: #cbd5e1;
      border-radius: 3px;
      width: 100%;
    }
    .text-line.short { width: 60%; }
    .highlight-target {
      height: 12px;
      background: #fef08a;
      border-radius: 3px;
      border: 1px dashed #ca8a04;
      display: flex;
      align-items: center;
      padding: 0 4px;
    }
    .highlighter-pen {
      position: absolute;
      right: 12px;
      bottom: 8px;
      font-size: 18px;
      filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15));
    }

    /* Step 2 Visual: Axes and Units */
    .axis-label {
      font-size: 10px;
      font-weight: 700;
      fill: #d97706;
      font-family: system-ui, sans-serif;
    }
    .axis-tick {
      font-size: 8px;
      fill: #64748b;
      font-family: system-ui, sans-serif;
    }

    /* Controls Bar */
    .controls {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 14px;
    }
    .play-btn {
      background: #ffffff;
      border: 1px solid #d1d5db;
      color: #1e2945;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .play-btn:hover {
      background: #f3f4f6;
    }
    .dots {
      display: flex;
      gap: 6px;
    }
    .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #cbd5e1;
      cursor: pointer;
      border: none;
      padding: 0;
    }
    .dot.active {
      background: #1e2945;
    }
  </style>
</head>
<body>

  <div class="workflow">
    
    <div class="step-card step-1 active" onclick="setStep(0)">
      <div class="badge">1</div>
      <div class="title">Isolate Claim</div>
      <div class="visual-box">
        <div class="text-mock">
          <div class="text-line"></div>
          <div class="highlight-target">
            <div style="height: 4px; width: 85%; background: #ca8a04; border-radius: 2px;"></div>
          </div>
          <div class="text-line short"></div>
        </div>
        <div class="highlighter-pen">🖍️</div>
      </div>
    </div>

    
    <div class="step-card step-2" onclick="setStep(1)">
      <div class="badge">2</div>
      <div class="title">Read Axes</div>
      <div class="visual-box">
        <svg width="110" height="74" viewBox="0 0 110 74">
          
          <line x1="25" y1="12" x2="100" y2="12" stroke="#fde68a" stroke-dasharray="2,2" />
          <line x1="25" y1="32" x2="100" y2="32" stroke="#fde68a" stroke-dasharray="2,2" />
          
          <line x1="25" y1="10" x2="25" y2="54" stroke="#d97706" stroke-width="2" />
          <line x1="25" y1="54" x2="102" y2="54" stroke="#d97706" stroke-width="2" />
          
          <text x="21" y="24" text-anchor="end" class="axis-label">y (%)</text>
          <text x="65" y="68" text-anchor="middle" class="axis-label">x (min)</text>
          
          <path d="M 25 54 Q 60 50 95 28" fill="none" stroke="#d97706" stroke-width="2" />
          <circle cx="62" cy="48" r="3.5" fill="#d97706" />
        </svg>
      </div>
    </div>

    
    <div class="step-card step-3" onclick="setStep(2)">
      <div class="badge">3</div>
      <div class="title">Compare</div>
      <div class="visual-box">
        <svg width="110" height="74" viewBox="0 0 110 74">
          
          <polygon points="55,44 47,60 63,60" fill="#16a34a" />
          
          <line x1="20" y1="40" x2="90" y2="48" stroke="#16a34a" stroke-width="2.5" stroke-linecap="round" />
          
          <line x1="25" y1="41" x2="25" y2="48" stroke="#16a34a" stroke-width="1.5" />
          <rect x="13" y="48" width="24" height="12" rx="3" fill="#ffffff" stroke="#16a34a" stroke-width="1.5" />
          <text x="25" y="57" font-size="8" font-weight="bold" fill="#16a34a" text-anchor="middle" font-family="system-ui">Text</text>
          
          <line x1="85" y1="47" x2="85" y2="54" stroke="#16a34a" stroke-width="1.5" />
          <rect x="73" y="54" width="24" height="12" rx="3" fill="#16a34a" />
          <text x="85" y="63" font-size="8" font-weight="bold" fill="#ffffff" text-anchor="middle" font-family="system-ui">15%</text>
          
          <circle cx="55" cy="20" r="10" fill="#dcfce7" stroke="#16a34a" stroke-width="1.5" />
          <text x="55" y="24" font-size="11" font-weight="bold" fill="#16a34a" text-anchor="middle">✓</text>
        </svg>
      </div>
    </div>
  </div>

  <div class="controls">
    <button class="play-btn" id="playBtn" onclick="togglePlay()">
      <span id="playIcon">⏸</span>
    </button>
    <div class="dots">
      <button class="dot active" onclick="setStep(0)" aria-label="Step 1"></button>
      <button class="dot" onclick="setStep(1)" aria-label="Step 2"></button>
      <button class="dot" onclick="setStep(2)" aria-label="Step 3"></button>
    </div>
  </div>

  <script>
    let currentStep = 0;
    let isPlaying = true;
    let intervalId = null;

    const cards = document.querySelectorAll('.step-card');
    const dots = document.querySelectorAll('.dot');
    const playIcon = document.getElementById('playIcon');

    function updateUI() {
      cards.forEach((card, index) => {
        card.classList.toggle('active', index === currentStep);
      });
      dots.forEach((dot, index) => {
        dot.classList.toggle('active', index === currentStep);
      });
    }

    function setStep(index) {
      currentStep = index;
      updateUI();
    }

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

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

    function pauseAutoPlay() {
      if (intervalId) clearInterval(intervalId);
      isPlaying = false;
      playIcon.textContent = '▶';
    }

    function togglePlay() {
      if (isPlaying) {
        pauseAutoPlay();
      } else {
        nextStep();
        startAutoPlay();
      }
    }

    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">
  <title>Chart Deconstruction</title>
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      color: #1e2945;
      background: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 10px;
      user-select: none;
    }

    /* Controls header */
    .controls {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 6px;
      margin-bottom: 8px;
      width: 100%;
      max-width: 520px;
    }

    .step-btn {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 6px;
      padding: 5px 10px;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 5px;
      transition: all 0.25s ease;
    }

    .step-btn.active {
      background: #1e2945;
      color: #ffffff;
      border-color: #1e2945;
      box-shadow: 0 2px 6px rgba(30, 41, 69, 0.25);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: rgba(0,0,0,0.08);
      font-size: 11px;
    }
    .step-btn.active .step-num {
      background: #22b7ff;
      color: #ffffff;
    }

    /* Diagram Stage */
    .diagram-stage {
      position: relative;
      width: 100%;
      max-width: 500px;
      aspect-ratio: 4 / 3;
    }

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

    /* Visual highlight callouts */
    .highlight-box {
      fill: rgba(34, 183, 255, 0.12);
      stroke: #22b7ff;
      stroke-width: 2;
      stroke-dasharray: 4 3;
      rx: 6;
      opacity: 0;
      transition: opacity 0.3s ease, transform 0.3s ease;
      pointer-events: none;
    }

    .highlight-box.active {
      opacity: 1;
    }

    .callout-badge {
      opacity: 0;
      transition: opacity 0.3s ease, transform 0.3s ease;
      pointer-events: none;
    }
    .callout-badge.active {
      opacity: 1;
    }

    /* Subtle grid & axis styling */
    .grid-line { stroke: #f1f5f9; stroke-width: 1; }
    .axis-line { stroke: #94a3b8; stroke-width: 1.5; }
    .tick-label { font-size: 11px; fill: #64748b; font-family: system-ui, sans-serif; }
    .data-line { fill: none; stroke: #1e2945; stroke-width: 2.5; stroke-linecap: round; }
    .data-point { fill: #22b7ff; stroke: #ffffff; stroke-width: 2; }

    /* Text anchors */
    .chart-title { font-size: 14px; font-weight: 700; fill: #1e2945; text-anchor: middle; }
    .axis-title { font-size: 12px; font-weight: 600; fill: #1e2945; text-anchor: middle; }

    .badge-bg { fill: #1e2945; rx: 4; }
    .badge-txt { fill: #ffffff; font-size: 11px; font-weight: 700; text-anchor: middle; dominant-baseline: middle; }
  </style>
</head>
<body>

  
  <div class="controls">
    <button class="step-btn active" onclick="setStep(0)">
      <span class="step-num">1</span> Title
    </button>
    <button class="step-btn" onclick="setStep(1)">
      <span class="step-num">2</span> Y-Axis
    </button>
    <button class="step-btn" onclick="setStep(2)">
      <span class="step-num">3</span> X-Axis
    </button>
    <button class="step-btn" onclick="setStep(3)">
      <span class="step-num">4</span> Origin
    </button>
    <button class="step-btn" onclick="setStep(4)">
      <span class="step-num">5</span> Legend
    </button>
  </div>

  
  <div class="diagram-stage">
    <svg viewBox="0 0 400 300">
      
      <line x1="70" y1="210" x2="360" y2="210" class="grid-line" />
      <line x1="70" y1="165" x2="360" y2="165" class="grid-line" />
      <line x1="70" y1="120" x2="360" y2="120" class="grid-line" />
      <line x1="70" y1="75" x2="360" y2="75" class="grid-line" />

      <line x1="142.5" y1="210" x2="142.5" y2="65" class="grid-line" />
      <line x1="215" y1="210" x2="215" y2="65" class="grid-line" />
      <line x1="287.5" y1="210" x2="287.5" y2="65" class="grid-line" />
      <line x1="360" y1="210" x2="360" y2="65" class="grid-line" />

      
      <line x1="70" y1="210" x2="365" y2="210" class="axis-line" />
      <line x1="70" y1="210" x2="70" y2="60" class="axis-line" />

      
      <text x="62" y="214" class="tick-label" text-anchor="end">0</text>
      <text x="62" y="169" class="tick-label" text-anchor="end">10</text>
      <text x="62" y="124" class="tick-label" text-anchor="end">20</text>
      <text x="62" y="79" class="tick-label" text-anchor="end">30</text>

      
      <text x="70" y="226" class="tick-label" text-anchor="middle">0</text>
      <text x="142.5" y="226" class="tick-label" text-anchor="middle">2</text>
      <text x="215" y="226" class="tick-label" text-anchor="middle">4</text>
      <text x="287.5" y="226" class="tick-label" text-anchor="middle">6</text>
      <text x="360" y="226" class="tick-label" text-anchor="middle">8</text>

      
      <path d="M 70 210 Q 215 160 360 85" class="data-line" />
      <circle cx="70" cy="210" r="4.5" class="data-point" />
      <circle cx="142.5" cy="180" r="4" class="data-point" />
      <circle cx="215" cy="148" r="4" class="data-point" />
      <circle cx="287.5" cy="116" r="4" class="data-point" />
      <circle cx="360" cy="85" r="4" class="data-point" />

      
      
      <g id="elem-0">
        <text x="215" y="32" class="chart-title">Motor Output vs. Current</text>
      </g>

      
      <g id="elem-1">
        <text x="24" y="138" class="axis-title" transform="rotate(-90 24 138)">Torque (Nm)</text>
      </g>

      
      <g id="elem-2">
        <text x="215" y="252" class="axis-title">Current (A)</text>
      </g>

      
      <g id="elem-3">
        <circle cx="70" cy="210" r="8" fill="none" stroke="#22b7ff" stroke-width="1.5" />
      </g>

      
      <g id="elem-4">
        <rect x="252" y="46" width="108" height="22" rx="4" fill="#f8fafc" stroke="#e2e8f0" stroke-width="1" />
        <line x1="258" y1="57" x2="278" y2="57" stroke="#1e2945" stroke-width="2" />
        <circle cx="268" cy="57" r="3" fill="#22b7ff" />
        <text x="284" y="61" class="tick-label" font-weight="600">Torque Curve</text>
      </g>

      
      
      <rect id="hl-0" x="105" y="14" width="220" height="26" class="highlight-box active" />
      <g id="badge-0" class="callout-badge active">
        <rect x="180" y="42" width="70" height="18" class="badge-bg" />
        <text x="215" y="52" class="badge-txt">1. TITLE</text>
      </g>

      
      <rect id="hl-1" x="6" y="50" width="60" height="175" class="highlight-box" />
      <g id="badge-1" class="callout-badge">
        <rect x="10" y="228" width="84" height="18" class="badge-bg" />
        <text x="52" y="238" class="badge-txt">2. DEPENDENT</text>
      </g>

      
      <rect id="hl-2" x="60" y="216" width="310" height="42" class="highlight-box" />
      <g id="badge-2" class="callout-badge">
        <rect x="166" y="262" width="98" height="18" class="badge-bg" />
        <text x="215" y="272" class="badge-txt">3. INDEPENDENT</text>
      </g>

      
      <rect id="hl-3" x="50" y="195" width="40" height="35" class="highlight-box" />
      <g id="badge-3" class="callout-badge">
        <rect x="36" y="172" width="70" height="18" class="badge-bg" />
        <text x="71" y="182" class="badge-txt">4. ORIGIN (0,0)</text>
      </g>

      
      <rect id="hl-5" x="248" y="42" width="116" height="30" class="highlight-box" />
      <g id="badge-5" class="callout-badge">
        <rect x="268" y="74" width="76" height="18" class="badge-bg" />
        <text x="306" y="84" class="badge-txt">5. LEGEND</text>
      </g>
    </svg>
  </div>

  <script>
    let currentStep = 0;
    const totalSteps = 5;
    let autoTimer = null;

    const hlIds = ['hl-0', 'hl-1', 'hl-2', 'hl-3', 'hl-5'];
    const badgeIds = ['badge-0', 'badge-1', 'badge-2', 'badge-3', 'badge-5'];
    const buttons = document.querySelectorAll('.step-btn');

    function setStep(idx, manual = true) {
      currentStep = idx;

      // Update buttons
      buttons.forEach((btn, i) => {
        btn.classList.toggle('active', i === idx);
      });

      // Update Highlights
      hlIds.forEach((id, i) => {
        const el = document.getElementById(id);
        if (el) el.classList.toggle('active', i === idx);
      });

      // Update Badges
      badgeIds.forEach((id, i) => {
        const el = document.getElementById(id);
        if (el) el.classList.toggle('active', i === idx);
      });

      if (manual) {
        clearInterval(autoTimer);
        startAutoCycle();
      }
    }

    function startAutoCycle() {
      autoTimer = setInterval(() => {
        currentStep = (currentStep + 1) % totalSteps;
        setStep(currentStep, false);
      }, 3500);
    }

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

OGE.8.MM.2

Aligned learning resources

Related diagrams