<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="aspect-ratio" content="4:3">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, sans-serif;
      background: #ffffff;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
    }

    .toolbar {
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .toggle-btn {
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: background 0.2s, color 0.2s, border-color 0.2s;
    }
    .toggle-btn.active {
      background: #0284c7;
      border-color: #0284c7;
      color: #ffffff;
    }

    .grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      width: 100%;
      max-width: 620px;
    }

    .page {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
    }

    .panel-wrapper {
      width: 100%;
      height: 180px;
      position: relative;
      background: #ffffff;
      border: 1px dashed #cbd5e1;
      border-radius: 4px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* Left Standard Box */
    .standard-box {
      width: 78%;
      height: 78%;
      border: 3px solid #0f172a;
      border-radius: 2px;
      background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
      position: relative;
      overflow: hidden;
      box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    }
    .lamp-glow {
      position: absolute;
      top: 25%;
      left: 28%;
      width: 45px;
      height: 45px;
      background: radial-gradient(circle, rgba(253,224,71,0.6) 0%, transparent 70%);
      border-radius: 50%;
    }
    .lamp-post {
      position: absolute;
      bottom: 0;
      left: 35%;
      width: 3px;
      height: 60%;
      background: #475569;
    }
    .lamp-head {
      position: absolute;
      top: 36%;
      left: 31%;
      width: 11px;
      height: 7px;
      background: #cbd5e1;
      border-radius: 2px;
    }
    .moon {
      position: absolute;
      top: 14%;
      right: 18%;
      font-size: 16px;
      opacity: 0.9;
    }
    .ground {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 18%;
      background: #090d16;
    }

    /* Right Bleed Box */
    .bleed-box {
      width: 100%;
      height: 100%;
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, #0369a1 0%, #0284c7 40%, #ea580c 100%);
      overflow: hidden;
    }
    .faint-frame {
      position: absolute;
      inset: 11%;
      border: 2px dashed rgba(255,255,255,0.4);
      pointer-events: none;
      z-index: 2;
    }
    .wave-shape {
      position: absolute;
      bottom: -15px;
      left: -20px;
      width: 130%;
      height: 90px;
      background: rgba(255,255,255,0.25);
      border-radius: 50% 50% 0 0;
      transform: rotate(-8deg);
      z-index: 1;
    }
    .wave-foam {
      position: absolute;
      bottom: -20px;
      left: -10px;
      width: 120%;
      height: 70px;
      background: #ffffff;
      border-radius: 40% 60% 0 0;
      transform: rotate(5deg);
      opacity: 0.9;
      z-index: 1;
    }
    .burst-core {
      position: absolute;
      top: 12%;
      right: 4%;
      font-size: 34px;
      filter: drop-shadow(0 0 8px rgba(255,255,255,0.8));
      z-index: 3;
    }
    .wave-emoji {
      position: absolute;
      bottom: 12%;
      left: 6%;
      font-size: 38px;
      z-index: 3;
      filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
    }

    /* Focus Overlay Elements */
    .focus-overlay {
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: 0;
      transition: opacity 0.3s ease;
      z-index: 10;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .focus-overlay.visible {
      opacity: 1;
    }

    /* Standard Target */
    .target-ring {
      width: 60px;
      height: 60px;
      border: 2px solid #38bdf8;
      border-radius: 50%;
      box-shadow: 0 0 10px rgba(56,189,248,0.6);
      background: rgba(56,189,248,0.15);
      animation: pulse 2s infinite ease-in-out;
    }

    /* Bleed Vector Arrows */
    .vector-arrow {
      position: absolute;
      color: #ffffff;
      font-size: 20px;
      font-weight: bold;
      text-shadow: 0 0 8px #000000;
    }
    .arrow-tl { top: 6px; left: 8px; transform: rotate(-45deg); }
    .arrow-tr { top: 6px; right: 8px; transform: rotate(45deg); }
    .arrow-bl { bottom: 6px; left: 8px; transform: rotate(-135deg); }
    .arrow-br { bottom: 6px; right: 8px; transform: rotate(135deg); }

    @keyframes pulse {
      0%, 100% { transform: scale(0.95); opacity: 0.7; }
      50% { transform: scale(1.08); opacity: 1; }
    }

    .title {
      font-size: 13px;
      font-weight: 700;
      margin-top: 8px;
      text-align: center;
    }
    .tag {
      font-size: 11px;
      font-weight: 600;
      color: #64748b;
      margin-top: 2px;
      text-align: center;
    }
    .tag.highlight {
      color: #0284c7;
    }
  </style>
</head>
<body>

  <div class="toolbar">
    <button class="toggle-btn" id="focusBtn">
      <span>👁</span> Reader Focus
    </button>
  </div>

  <div class="grid">
    
    <div class="page">
      <div class="panel-wrapper">
        <div class="standard-box">
          <div class="moon">🌙</div>
          <div class="lamp-glow"></div>
          <div class="lamp-head"></div>
          <div class="lamp-post"></div>
          <div class="ground"></div>
        </div>
        <div class="focus-overlay" id="focusLeft">
          <div class="target-ring"></div>
        </div>
      </div>
      <div class="title">Standard Border</div>
      <div class="tag" id="tagLeft">Contained Time</div>
    </div>

    
    <div class="page">
      <div class="panel-wrapper">
        <div class="bleed-box">
          <div class="faint-frame"></div>
          <div class="wave-shape"></div>
          <div class="wave-foam"></div>
          <div class="burst-core">💥</div>
          <div class="wave-emoji">🌊</div>
        </div>
        <div class="focus-overlay" id="focusRight">
          <div class="vector-arrow arrow-tl">➔</div>
          <div class="vector-arrow arrow-tr">➔</div>
          <div class="vector-arrow arrow-bl">➔</div>
          <div class="vector-arrow arrow-br">➔</div>
        </div>
      </div>
      <div class="title">Full Bleed</div>
      <div class="tag highlight" id="tagRight">Overflows Page</div>
    </div>
  </div>

  <script src="{{VENDOR_CDN}}/classace-diagram.js"></script>
  <script>
    const btn = document.getElementById('focusBtn');
    const leftOverlay = document.getElementById('focusLeft');
    const rightOverlay = document.getElementById('focusRight');
    const tagLeft = document.getElementById('tagLeft');
    const tagRight = document.getElementById('tagRight');

    let active = false;

    btn.addEventListener('click', () => {
      active = !active;
      btn.classList.toggle('active', active);
      leftOverlay.classList.toggle('visible', active);
      rightOverlay.classList.toggle('visible', active);

      if (active) {
        tagLeft.textContent = 'Trapped Pace';
        tagRight.textContent = 'Breaks Frame';
      } else {
        tagLeft.textContent = 'Contained Time';
        tagRight.textContent = 'Overflows Page';
      }
    });
  </script>
</body>
</html>

Reading Graphic Novels: Panels, Gutters, and Speech Balloons

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style>
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: #0f172a;
      background: transparent;
      padding: 10px 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      user-select: none;
      min-height: 100%;
    }

    .container {
      width: 100%;
      max-width: 430px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      gap: 8px;
    }

    .title-group {
      display: flex;
      flex-direction: column;
    }

    .title {
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      color: #0f172a;
    }

    .subtitle {
      font-size: 11px;
      color: #475569;
      font-weight: 500;
    }

    .controls {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .steps-nav {
      display: flex;
      gap: 4px;
    }

    .step-btn {
      border: 1.5px solid #cbd5e1;
      background: #f8fafc;
      color: #334155;
      font-size: 12px;
      font-weight: 700;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s, color 0.2s, border-color 0.2s;
    }

    .step-btn:hover {
      background: #e2e8f0;
      border-color: #94a3b8;
    }

    .step-btn.active {
      background: #0284c7;
      color: #ffffff;
      border-color: #0284c7;
      box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.25);
    }

    .play-btn {
      border: 1.5px solid #cbd5e1;
      background: #ffffff;
      color: #0f172a;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 8px;
      border-radius: 13px;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 3px;
      transition: background 0.2s;
    }

    .play-btn:hover {
      background: #f1f5f9;
    }

    /* Comic Canvas Stage */
    .comic-stage {
      position: relative;
      width: 100%;
      aspect-ratio: 1.15 / 1;
      max-height: 310px;
      background: #0f172a;
      padding: 8px;
      border-radius: 10px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      grid-template-rows: 1fr 1fr;
      gap: 8px; /* Comic Gutter */
    }

    .panel {
      position: relative;
      background: #ffffff;
      border: 2px solid #cbd5e1;
      border-radius: 6px;
      padding: 7px 8px 6px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      cursor: pointer;
      transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
      overflow: hidden;
      z-index: 2;
    }

    .panel:hover {
      border-color: #94a3b8;
    }

    /* High contrast inactive panels - perfectly readable */
    .panel:not(.active) {
      background: #f8fafc;
    }

    .panel.active {
      background: #ffffff;
      border-color: #0284c7;
      box-shadow: 0 0 0 2px #0284c7, 0 4px 12px rgba(0,0,0,0.3);
      z-index: 3;
    }

    .panel-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 4px;
      z-index: 4;
    }

    .panel-num {
      font-size: 10px;
      font-weight: 800;
      color: #334155;
      background: #e2e8f0;
      border: 1px solid #cbd5e1;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .panel.active .panel-num {
      background: #0284c7;
      color: #ffffff;
      border-color: #0284c7;
    }

    .balloon {
      background: #ffffff;
      border: 1.5px solid #0f172a;
      border-radius: 8px;
      padding: 3px 6px;
      font-size: 11px;
      font-weight: 800;
      color: #0f172a;
      display: inline-block;
      max-width: 80%;
      position: relative;
      box-shadow: 1px 1px 0px rgba(0,0,0,0.15);
      line-height: 1.2;
    }

    .balloon::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 10px;
      border-width: 5px 4px 0;
      border-style: solid;
      border-color: #0f172a transparent;
      display: block;
      width: 0;
    }

    .panel-art {
      font-size: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 2px 0;
      z-index: 4;
      line-height: 1;
      filter: drop-shadow(0 1px 1px rgba(0,0,0,0.1));
    }

    .label-bar {
      font-size: 10px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.3px;
      color: #334155;
      background: #f1f5f9;
      padding: 2px 5px;
      border-radius: 4px;
      text-align: center;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      z-index: 4;
    }

    .panel.active .label-bar {
      background: #e0f2fe;
      color: #0369a1;
      border: 1px solid #bae6fd;
    }

    /* Guided Z-Pattern SVG Overlay - Subtle glow, non-obscuring */
    .z-svg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 5;
    }

    .track-bg {
      stroke: rgba(255, 255, 255, 0.2);
      stroke-width: 3.5;
      stroke-dasharray: 4 4;
      fill: none;
    }

    .track-active {
      stroke: #38bdf8;
      stroke-width: 3.5;
      fill: none;
      stroke-linecap: round;
      stroke-linejoin: round;
      transition: stroke-dashoffset 0.4s ease;
      filter: drop-shadow(0 0 4px #0284c7);
    }

    .track-node {
      fill: #ffffff;
      stroke: #0284c7;
      stroke-width: 2;
      opacity: 0.85;
      transition: r 0.2s ease, fill 0.2s ease, opacity 0.2s;
    }

    .track-node.lit {
      fill: #0284c7;
      stroke: #ffffff;
      opacity: 1;
      filter: drop-shadow(0 0 3px #38bdf8);
    }

    /* Explanation Banner */
    .info-card {
      background: #f8fafc;
      border: 1px solid #cbd5e1;
      border-left: 4px solid #0284c7;
      border-radius: 6px;
      padding: 8px 10px;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .info-header {
      font-size: 11px;
      font-weight: 800;
      color: #0369a1;
      text-transform: uppercase;
      letter-spacing: 0.3px;
    }

    .info-desc {
      font-size: 11.5px;
      line-height: 1.35;
      color: #1e293b;
      font-weight: 500;
    }

    @media (max-width: 360px) {
      .comic-stage {
        padding: 6px;
        gap: 6px;
      }
      .panel {
        padding: 5px 6px 4px;
      }
      .panel-art {
        font-size: 26px;
      }
      .balloon {
        font-size: 10px;
        padding: 2px 4px;
      }
      .label-bar {
        font-size: 9px;
      }
      .info-desc {
        font-size: 11px;
      }
    }
  </style>
</head>
<body>

  <div class="container">
    <div class="toolbar">
      <div class="title-group">
        <div class="title">Z-Reading Path</div>
        <div class="subtitle">Multimodal Eye Tracking in Comics</div>
      </div>
      <div class="controls">
        <div class="steps-nav">
          <button class="step-btn active" data-step="0" aria-label="Step 1">1</button>
          <button class="step-btn" data-step="1" aria-label="Step 2">2</button>
          <button class="step-btn" data-step="2" aria-label="Step 3">3</button>
          <button class="step-btn" data-step="3" aria-label="Step 4">4</button>
        </div>
        <button class="play-btn" id="playBtn">⏸ Pause</button>
      </div>
    </div>

    <div class="comic-stage">
      
      <svg class="z-svg" viewBox="0 0 100 100" preserveAspectRatio="none">
        <path class="track-bg" d="M 25,25 L 75,25 L 25,75 L 75,75" />
        <path id="activePath" class="track-active" d="M 25,25 L 75,25 L 25,75 L 75,75" stroke-dasharray="190" stroke-dashoffset="142" />
        <circle class="track-node lit" id="node0" cx="25" cy="25" r="3.5" />
        <circle class="track-node" id="node1" cx="75" cy="25" r="3.5" />
        <circle class="track-node" id="node2" cx="25" cy="75" r="3.5" />
        <circle class="track-node" id="node3" cx="75" cy="75" r="3.5" />
      </svg>

      
      <div class="panel active" data-step="0">
        <div class="panel-header">
          <div class="balloon">Look!</div>
          <span class="panel-num">1</span>
        </div>
        <div class="panel-art">👀</div>
        <div class="label-bar">1. Start: Top-Left</div>
      </div>

      
      <div class="panel" data-step="1">
        <div class="panel-header">
          <div class="balloon">What is it?</div>
          <span class="panel-num">2</span>
        </div>
        <div class="panel-art">❓</div>
        <div class="label-bar">2. Sweep Right</div>
      </div>

      
      <div class="panel" data-step="2">
        <div class="panel-header">
          <div class="balloon">Listen...</div>
          <span class="panel-num">3</span>
        </div>
        <div class="panel-art">👣</div>
        <div class="label-bar">3. Diagonal Down</div>
      </div>

      
      <div class="panel" data-step="3">
        <div class="panel-header">
          <div class="balloon">ROAR!</div>
          <span class="panel-num">4</span>
        </div>
        <div class="panel-art">🦖</div>
        <div class="label-bar">4. Climax Reveal</div>
      </div>
    </div>

    
    <div class="info-card">
      <div class="info-header" id="infoTitle">Step 1: Top-Left Anchor</div>
      <div class="info-desc" id="infoText">Eyes enter at top-left. Dialogue placed high on the left creates the starting hook before leading into visual art.</div>
    </div>
  </div>

  <script>
    const panels = document.querySelectorAll('.panel');
    const stepBtns = document.querySelectorAll('.step-btn');
    const playBtn = document.getElementById('playBtn');
    const activePath = document.getElementById('activePath');
    const infoTitle = document.getElementById('infoTitle');
    const infoText = document.getElementById('infoText');

    const nodes = [
      document.getElementById('node0'),
      document.getElementById('node1'),
      document.getElementById('node2'),
      document.getElementById('node3')
    ];

    const stepDetails = [
      {
        title: "Step 1: Top-Left Anchor (Dialogue 1)",
        desc: "Eyes enter naturally at the top-left. High-placed dialogue introduces the hook, pulling focus immediately to start the narrative sequence."
      },
      {
        title: "Step 2: Horizontal Sweep (Dialogue 2)",
        desc: "The reader scans horizontally across the gutter to the second panel. Response dialogue builds anticipation along the top tier."
      },
      {
        title: "Step 3: Diagonal Shift (Bottom-Left)",
        desc: "Eyes follow the classic Z-pattern diagonally down to the second row. Ambient sound and footsteps heighten tension before the reveal."
      },
      {
        title: "Step 4: Climax & Resolution (Bottom-Right)",
        desc: "The bottom-right panel completes the path. Panel order delays this climactic reveal so the surprise lands with maximum narrative impact."
      }
    ];

    // Path offsets for total SVG path (~190 length): 190 -> 142 -> 72 -> 0
    const pathOffsets = [142, 95, 45, 0];
    let currentStep = 0;
    let isPlaying = true;
    let timer = null;

    function setStep(index) {
      currentStep = index;

      panels.forEach((p, i) => p.classList.toggle('active', i === index));
      stepBtns.forEach((b, i) => b.classList.toggle('active', i === index));

      activePath.style.strokeDashoffset = pathOffsets[index];

      nodes.forEach((n, i) => {
        n.classList.toggle('lit', i <= index);
      });

      infoTitle.textContent = stepDetails[index].title;
      infoText.textContent = stepDetails[index].desc;
    }

    function nextStep() {
      setStep((currentStep + 1) % 4);
    }

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

    function stopAutoPlay() {
      if (timer) clearInterval(timer);
      isPlaying = false;
      playBtn.innerHTML = '▶ Play';
    }

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

    stepBtns.forEach(btn => {
      btn.addEventListener('click', () => {
        setStep(parseInt(btn.dataset.step, 10));
        stopAutoPlay();
      });
    });

    panels.forEach(p => {
      p.addEventListener('click', () => {
        setStep(parseInt(p.dataset.step, 10));
        stopAutoPlay();
      });
    });

    // Initialize
    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;
    }

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

    .comic-strip {
      position: relative;
      width: 100%;
      max-width: 580px;
      display: grid;
      grid-template-columns: 1fr 100px 1fr;
      align-items: stretch;
      gap: 0;
    }

    .panel {
      background: #ffffff;
      border: 3px solid #1e2945;
      border-radius: 8px;
      position: relative;
      height: 220px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      padding: 10px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }

    .panel-label {
      align-self: flex-start;
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      background: #1e2945;
      color: #ffffff;
      padding: 2px 6px;
      border-radius: 3px;
      z-index: 2;
    }

    .panel-svg {
      width: 100%;
      height: 160px;
    }

    /* Gutter Area */
    .gutter-space {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: #f1f5f9;
      margin: 0 6px;
      border-radius: 6px;
      border: 2px dashed #cbd5e1;
      transition: all 0.4s ease;
      padding: 8px 4px;
      text-align: center;
      overflow: hidden;
    }

    .gutter-space.active {
      background: #fffbeb;
      border: 2px dashed #f59e0b;
      box-shadow: 0 0 16px rgba(245, 158, 11, 0.25);
    }

    .gutter-title {
      font-size: 11px;
      font-weight: 800;
      text-transform: uppercase;
      color: #64748b;
      letter-spacing: 0.5px;
      margin-bottom: 6px;
      transition: color 0.3s;
    }

    .gutter-space.active .gutter-title {
      color: #b45309;
    }

    .brain-hub {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
      opacity: 0.35;
      transform: scale(0.9);
      transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    .gutter-space.active .brain-hub {
      opacity: 1;
      transform: scale(1);
    }

    .lightbulb-icon {
      font-size: 26px;
      line-height: 1;
      filter: grayscale(100%);
      transition: filter 0.4s ease;
    }

    .gutter-space.active .lightbulb-icon {
      filter: grayscale(0%) drop-shadow(0 0 6px #facc15);
    }

    .thought-pill {
      font-size: 11px;
      font-weight: 700;
      color: #78350f;
      background: #fef3c7;
      border: 1px solid #fde68a;
      border-radius: 12px;
      padding: 3px 6px;
      white-space: nowrap;
      opacity: 0;
      transform: translateY(4px);
      transition: all 0.4s ease;
    }

    .gutter-space.active .thought-pill {
      opacity: 1;
      transform: translateY(0);
    }

    /* Trajectory Arc Across Gutter */
    .arc-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 10;
    }

    .trajectory-path {
      fill: none;
      stroke: #f59e0b;
      stroke-width: 3;
      stroke-dasharray: 6 6;
      opacity: 0;
      transition: opacity 0.4s ease;
    }

    .ghost-ball {
      opacity: 0;
      transform-origin: center;
      transition: opacity 0.4s ease;
    }

    .comic-strip.show-closure .trajectory-path,
    .comic-strip.show-closure .ghost-ball {
      opacity: 1;
    }

    /* Sound burst */
    .swish-burst {
      font-size: 13px;
      font-weight: 900;
      font-style: italic;
      color: #2563eb;
      fill: #2563eb;
      letter-spacing: 0.5px;
    }

    /* Controls */
    .controls {
      margin-top: 16px;
      display: flex;
      gap: 10px;
      align-items: center;
    }

    .toggle-btn {
      appearance: none;
      border: none;
      background: #1e2945;
      color: #ffffff;
      font-size: 14px;
      font-weight: 700;
      padding: 10px 20px;
      border-radius: 20px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: background 0.2s ease, box-shadow 0.2s ease;
    }

    .toggle-btn:hover {
      background: #0f172a;
      box-shadow: 0 4px 12px rgba(30, 41, 69, 0.25);
    }

    .toggle-btn.active {
      background: #f59e0b;
      color: #1e2945;
      box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
    }
  </style>
</head>
<body>

  <div class="comic-strip" id="comicStrip">
    
    <svg class="arc-overlay" viewBox="0 0 580 220" preserveAspectRatio="none">
      <path class="trajectory-path" d="M 120 70 Q 290 15 450 110" />
      <circle class="ghost-ball" cx="290" cy="42" r="14" fill="#fb923c" stroke="#ea580c" stroke-width="2" stroke-dasharray="3 3" />
    </svg>

    
    <div class="panel">
      <span class="panel-label">Panel 1</span>
      <svg class="panel-svg" viewBox="0 0 200 160">
        
        <line x1="10" y1="150" x2="190" y2="150" stroke="#cbd5e1" stroke-width="3" stroke-linecap="round" />
        
        
        
        <line x1="85" y1="115" x2="75" y2="150" stroke="#1e2945" stroke-width="4" stroke-linecap="round" />
        <line x1="95" y1="115" x2="105" y2="150" stroke="#1e2945" stroke-width="4" stroke-linecap="round" />
        
        <path d="M 75 80 L 105 80 L 100 120 L 80 120 Z" fill="#3b82f6" stroke="#1e2945" stroke-width="3" />
        
        <circle cx="90" cy="62" r="14" fill="#fde047" stroke="#1e2945" stroke-width="3" />
        <circle cx="86" cy="60" r="2" fill="#1e2945" />
        <circle cx="94" cy="60" r="2" fill="#1e2945" />
        <path d="M 87 68 Q 90 71 93 68" stroke="#1e2945" stroke-width="2" fill="none" stroke-linecap="round" />
        
        <path d="M 75 85 L 90 45 L 110 35" stroke="#1e2945" stroke-width="4" stroke-linecap="round" stroke-linejoin="round" fill="none" />
        <path d="M 105 85 L 115 50 L 120 35" stroke="#1e2945" stroke-width="4" stroke-linecap="round" stroke-linejoin="round" fill="none" />
        
        <circle cx="120" cy="30" r="16" fill="#f97316" stroke="#1e2945" stroke-width="3" />
        <path d="M 106 30 Q 120 30 134 30" stroke="#1e2945" stroke-width="2" fill="none" />
        <path d="M 120 16 Q 120 30 120 44" stroke="#1e2945" stroke-width="2" fill="none" />
      </svg>
    </div>

    
    <div class="gutter-space" id="gutterBox">
      <span class="gutter-title">The Gutter</span>
      <div class="brain-hub">
        <span class="lightbulb-icon">💡</span>
        <span class="thought-pill">Brain imagines<br>the throw!</span>
      </div>
    </div>

    
    <div class="panel">
      <span class="panel-label">Panel 2</span>
      <svg class="panel-svg" viewBox="0 0 200 160">
        
        <line x1="175" y1="20" x2="175" y2="150" stroke="#94a3b8" stroke-width="5" stroke-linecap="round" />
        <rect x="160" y="30" width="8" height="55" fill="#ffffff" stroke="#1e2945" stroke-width="3" rx="2" />
        
        
        <line x1="125" y1="75" x2="160" y2="75" stroke="#ea580c" stroke-width="4" stroke-linecap="round" />
        
        
        <path d="M 127 77 L 135 118 L 152 118 L 158 77 Z" fill="none" stroke="#64748b" stroke-width="2" stroke-dasharray="3 3" />
        <path d="M 130 95 L 155 95" stroke="#64748b" stroke-width="2" stroke-dasharray="3 3" />
        
        
        <circle cx="143" cy="98" r="14" fill="#f97316" stroke="#1e2945" stroke-width="3" />
        <path d="M 131 98 Q 143 98 155 98" stroke="#1e2945" stroke-width="1.8" fill="none" />
        
        
        <path d="M 133 60 L 133 70" stroke="#3b82f6" stroke-width="2.5" stroke-linecap="round" />
        <path d="M 143 55 L 143 68" stroke="#3b82f6" stroke-width="2.5" stroke-linecap="round" />
        <path d="M 153 60 L 153 70" stroke="#3b82f6" stroke-width="2.5" stroke-linecap="round" />
        
        
        <g transform="translate(60, 45) rotate(-12)">
          <path d="M -15 -10 L 45 -10 L 40 14 L -20 14 Z" fill="#dbeafe" opacity="0.9" />
          <text x="12" y="5" text-anchor="middle" class="swish-burst">SWISH!</text>
        </g>
      </svg>
    </div>
  </div>

  <div class="controls">
    <button class="toggle-btn" id="toggleClosure">
      <span>✦ Reveal Closure</span>
    </button>
  </div>

  <script>
    const toggleBtn = document.getElementById('toggleClosure');
    const comicStrip = document.getElementById('comicStrip');
    const gutterBox = document.getElementById('gutterBox');

    let active = false;

    toggleBtn.addEventListener('click', () => {
      active = !active;
      if (active) {
        comicStrip.classList.add('show-closure');
        gutterBox.classList.add('active');
        toggleBtn.classList.add('active');
        toggleBtn.innerHTML = '<span>✓ Closure Active</span>';
      } else {
        comicStrip.classList.remove('show-closure');
        gutterBox.classList.remove('active');
        toggleBtn.classList.remove('active');
        toggleBtn.innerHTML = '<span>✦ Reveal Closure</span>';
      }
    });
  </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="1:1">
  <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;
      padding: 12px;
      display: flex;
      flex-direction: column;
      height: 100%;
      user-select: none;
    }

    .grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      grid-template-rows: 1fr 1fr;
      gap: 12px;
      flex: 1;
      width: 100%;
    }

    .balloon-card {
      background: #f8fafc;
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      padding: 10px 8px 8px;
      position: relative;
      cursor: pointer;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .balloon-card.active, .balloon-card:active {
      border-color: #22b7ff;
      box-shadow: 0 0 0 2px rgba(34, 183, 255, 0.25);
    }

    .visual-area {
      flex: 1;
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }

    /* 1. NORMAL SPEECH */
    .normal-bubble {
      background: #ffffff;
      border: 2px solid #1e2945;
      border-radius: 20px;
      padding: 8px 12px;
      font-size: 14px;
      color: #1e2945;
      font-weight: 500;
      position: relative;
      text-align: center;
      max-width: 90%;
    }
    .normal-bubble::after {
      content: "";
      position: absolute;
      bottom: -10px;
      left: 24px;
      border-width: 10px 10px 0 0;
      border-style: solid;
      border-color: #1e2945 transparent transparent transparent;
    }
    .normal-bubble::before {
      content: "";
      position: absolute;
      bottom: -7px;
      left: 26px;
      border-width: 8px 8px 0 0;
      border-style: solid;
      border-color: #ffffff transparent transparent transparent;
      z-index: 1;
    }

    /* 2. SHOUT / ANGER */
    .shout-bubble {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      height: 100%;
      max-height: 80px;
    }
    .shout-svg {
      width: 100%;
      height: 100%;
      position: absolute;
      inset: 0;
    }
    .shout-text {
      position: relative;
      z-index: 2;
      font-family: Impact, "Arial Black", sans-serif;
      font-size: 17px;
      letter-spacing: 1px;
      color: #b91c1c;
      text-transform: uppercase;
      transform: rotate(-3deg);
    }

    /* 3. WHISPER */
    .whisper-bubble {
      background: #ffffff;
      border: 2px dashed #94a3b8;
      border-radius: 18px;
      padding: 6px 12px;
      font-size: 12px;
      font-style: italic;
      color: #64748b;
      position: relative;
      text-align: center;
      max-width: 90%;
    }
    .whisper-tail {
      position: absolute;
      bottom: -8px;
      left: 24px;
      width: 10px;
      height: 10px;
      border-left: 2px dashed #94a3b8;
      border-bottom: 2px dashed #94a3b8;
      transform: rotate(-25deg);
    }

    /* 4. SOUND EFFECT */
    .sfx-text {
      font-family: Impact, "Arial Black", sans-serif;
      font-size: 26px;
      font-style: italic;
      font-weight: 900;
      color: #f59e0b;
      text-shadow: 
        2px 2px 0px #b45309,
        3px 3px 0px #78350f;
      letter-spacing: 2px;
      transform: rotate(-7deg) scale(1.05);
      filter: drop-shadow(0px 3px 2px rgba(0,0,0,0.15));
    }

    /* LABELS & METERS */
    .meta {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 6px;
      border-top: 1px solid #e2e8f0;
      font-size: 11px;
      font-weight: 700;
    }

    .tone-name {
      color: #334155;
    }

    .vol-badge {
      padding: 2px 6px;
      border-radius: 6px;
      font-size: 10px;
      font-weight: 800;
      text-transform: uppercase;
    }

    .vol-med { background: #e0f2fe; color: #0284c7; }
    .vol-loud { background: #fee2e2; color: #dc2626; }
    .vol-low { background: #f1f5f9; color: #64748b; }
    .vol-impact { background: #fef3c7; color: #d97706; }
  </style>
</head>
<body>

  <div class="grid">
    
    <div class="balloon-card active" onclick="highlight(this)">
      <div class="visual-area">
        <div class="normal-bubble">
          Let’s check the map.
        </div>
      </div>
      <div class="meta">
        <span class="tone-name">Speech</span>
        <span class="vol-badge vol-med">Medium</span>
      </div>
    </div>

    
    <div class="balloon-card" onclick="highlight(this)">
      <div class="visual-area">
        <div class="shout-bubble">
          <svg class="shout-svg" viewBox="0 0 160 80" preserveAspectRatio="none">
            <polygon points="10,40 20,20 40,25 55,8 80,22 105,6 120,24 145,15 140,38 156,52 138,62 148,76 122,68 100,78 82,65 58,76 42,62 20,74 24,54 4,46" fill="#fff" stroke="#b91c1c" stroke-width="2" stroke-linejoin="round"/>
          </svg>
          <span class="shout-text">LOOK OUT!</span>
        </div>
      </div>
      <div class="meta">
        <span class="tone-name">Shout</span>
        <span class="vol-badge vol-loud">Loud</span>
      </div>
    </div>

    
    <div class="balloon-card" onclick="highlight(this)">
      <div class="visual-area">
        <div class="whisper-bubble">
          Be very quiet...
          <div class="whisper-tail"></div>
        </div>
      </div>
      <div class="meta">
        <span class="tone-name">Whisper</span>
        <span class="vol-badge vol-low">Soft</span>
      </div>
    </div>

    
    <div class="balloon-card" onclick="highlight(this)">
      <div class="visual-area">
        <div class="sfx-text">CRASH!</div>
      </div>
      <div class="meta">
        <span class="tone-name">Action SFX</span>
        <span class="vol-badge vol-impact">Noise</span>
      </div>
    </div>
  </div>

  <script>
    function highlight(card) {
      document.querySelectorAll('.balloon-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">
  <title>Comic Pacing & Suspense Sequence</title>
  <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: #0f172a;
      padding: 10px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      user-select: none;
    }

    .container {
      width: 100%;
      max-width: 580px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    /* Comic Grid - Pure Layout with Gutters, No Outer Card Background */
    .comic-grid {
      width: 100%;
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      grid-template-rows: 150px 150px;
      gap: 10px; /* The Gutter */
      background: transparent;
      padding: 0;
      border: none;
    }

    /* Panels */
    .panel {
      position: relative;
      border: 3px solid #0f172a;
      border-radius: 4px;
      overflow: hidden;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: border-color 300ms ease, box-shadow 300ms ease, filter 300ms ease;
      background: #ffffff;
    }

    .panel:hover {
      border-color: #0284c7;
      box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.35);
    }

    .panel.active {
      border-color: #0284c7;
      box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.45);
    }

    /* Panel 1: Square / Establishing */
    .panel-1 {
      grid-column: 1 / 2;
      grid-row: 1 / 2;
      background: #f8fafc;
    }

    /* Panel 2: Very Narrow / Tension Build */
    .panel-2 {
      grid-column: 2 / 3;
      grid-row: 1 / 2;
      background: #fefce8;
    }

    /* Panel 3: Wide Splash / Climax */
    .panel-3 {
      grid-column: 1 / 3;
      grid-row: 2 / 3;
      background: #fff1f2;
    }

    /* Visual Scene Elements */
    .p1-scene {
      display: flex;
      align-items: flex-end;
      justify-content: center;
      gap: 14px;
      height: 100%;
      width: 100%;
      padding-bottom: 12px;
    }

    .dashed-bubble {
      position: absolute;
      top: 8px;
      left: 10px;
      background: #ffffff;
      border: 2px dashed #475569;
      border-radius: 12px;
      padding: 4px 8px;
      font-size: 11px;
      font-weight: 600;
      font-style: italic;
      color: #334155;
      box-shadow: 1px 1px 3px rgba(0,0,0,0.05);
    }

    .dashed-bubble::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 14px;
      border-width: 6px 5px 0;
      border-style: solid;
      border-color: #475569 transparent;
      display: block;
      width: 0;
    }

    .p2-scene {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      position: relative;
      width: 100%;
      height: 100%;
    }

    .sound-creak {
      position: absolute;
      top: 10px;
      right: 8px;
      font-size: 11px;
      font-weight: 700;
      font-style: italic;
      letter-spacing: 1.5px;
      color: #854d0e;
      transform: rotate(-10deg);
    }

    .knob {
      width: 34px;
      height: 34px;
      background: radial-gradient(circle at 35% 35%, #fef08a, #ca8a04);
      border-radius: 50%;
      border: 2px solid #713f12;
      box-shadow: 2px 3px 4px rgba(0,0,0,0.2);
    }

    .p3-scene {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-around;
      position: relative;
      padding: 0 10px;
    }

    .slam-text {
      font-size: 32px;
      font-weight: 900;
      color: #dc2626;
      text-shadow: 2px 2px 0 #0f172a;
      transform: rotate(-7deg);
      letter-spacing: 1px;
      font-family: Impact, "Arial Black", sans-serif;
    }

    /* Spiky Speech Balloon */
    .spiky-bubble {
      background: #ffffff;
      border: 2px solid #0f172a;
      clip-path: polygon(0% 20%, 15% 20%, 20% 0%, 35% 18%, 65% 5%, 75% 22%, 98% 10%, 90% 45%, 100% 70%, 85% 80%, 75% 100%, 55% 82%, 35% 95%, 25% 78%, 5% 85%, 12% 50%);
      padding: 12px 18px;
      font-size: 15px;
      font-weight: 900;
      color: #0f172a;
      letter-spacing: 1px;
      font-family: Impact, "Arial Black", sans-serif;
    }

    /* Tag overlay */
    .tag {
      position: absolute;
      bottom: 5px;
      right: 5px;
      background: rgba(15, 23, 42, 0.85);
      color: #ffffff;
      font-size: 10px;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 3px;
      letter-spacing: 0.3px;
    }

    /* Lesson Feedback Box */
    .info-bar {
      width: 100%;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      padding: 10px 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      transition: background-color 300ms ease;
    }

    .info-content {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .info-title {
      font-size: 13px;
      font-weight: 700;
      color: #0f172a;
      transition: color 300ms ease;
    }

    .info-desc {
      font-size: 12px;
      color: #475569;
      line-height: 1.35;
    }

    /* Navigation Buttons */
    .stepper {
      display: flex;
      gap: 6px;
      flex-shrink: 0;
    }

    .step-btn {
      background: #f1f5f9;
      border: 1px solid #cbd5e1;
      border-radius: 6px;
      padding: 6px 12px;
      font-size: 12px;
      font-weight: 700;
      cursor: pointer;
      color: #334155;
      transition: background-color 300ms ease, color 300ms ease, border-color 300ms ease;
    }

    .step-btn:hover {
      background: #e2e8f0;
      color: #0f172a;
    }

    .step-btn.active {
      background: #0284c7;
      border-color: #0369a1;
      color: #ffffff;
    }

    @media (max-width: 420px) {
      .slam-text {
        font-size: 24px;
      }
      .spiky-bubble {
        padding: 10px 14px;
        font-size: 13px;
      }
      .comic-grid {
        grid-template-rows: 135px 135px;
      }
    }
  </style>
</head>
<body>

  <div class="container">
    
    <div class="comic-grid">
      
      
      <div class="panel panel-1 active" id="panel1" onclick="selectPanel(0)" role="button" tabindex="0" aria-label="Panel 1: Standard Beat">
        <div class="dashed-bubble">Is anyone inside?</div>
        <div class="p1-scene">
          <span style="font-size: 38px;" aria-hidden="true">🕵️‍♂️</span>
          <span style="font-size: 42px;" aria-hidden="true">🚪</span>
        </div>
        <span class="tag">1. Regular Beat</span>
      </div>

      
      <div class="panel panel-2" id="panel2" onclick="selectPanel(1)" role="button" tabindex="0" aria-label="Panel 2: Narrow Compression">
        <div class="sound-creak">creeeak...</div>
        <div class="p2-scene">
          <span style="font-size: 30px; transform: rotate(15deg); margin-bottom: -6px;" aria-hidden="true">🫱</span>
          <div class="knob"></div>
        </div>
        <span class="tag">2. Slow Zoom</span>
      </div>

      
      <div class="panel panel-3" id="panel3" onclick="selectPanel(2)" role="button" tabindex="0" aria-label="Panel 3: Wide Climax Splash">
        <div class="p3-scene">
          <div class="slam-text">SLAM!</div>
          <span style="font-size: 52px; filter: drop-shadow(0 0 6px rgba(0,0,0,0.45));" aria-hidden="true">👤</span>
          <div class="spiky-bubble">HALT!</div>
        </div>
        <span class="tag">3. Splash Climax</span>
      </div>

    </div>

    
    <div class="info-bar">
      <div class="info-content">
        <div class="info-title" id="infoTitle">1. Dashed Balloon & Regular Panel</div>
        <div class="info-desc" id="infoDesc">Quiet whisper sets a deliberate, calm pace.</div>
      </div>
      <div class="stepper">
        <button class="step-btn active" id="btn0" onclick="selectPanel(0)" aria-label="View Step 1">1</button>
        <button class="step-btn" id="btn1" onclick="selectPanel(1)" aria-label="View Step 2">2</button>
        <button class="step-btn" id="btn2" onclick="selectPanel(2)" aria-label="View Step 3">3</button>
      </div>
    </div>
  </div>

  <script>
    const steps = [
      {
        title: "1. Dashed Balloon & Regular Panel",
        desc: "Quiet whisper sets a deliberate, calm pace."
      },
      {
        title: "2. Narrow Panel & Small Lettering",
        desc: "Compresses space to stretch out suspense and focus attention."
      },
      {
        title: "3. Wide Splash & Jagged Balloons",
        desc: "Expands visual space for an explosive, sudden impact."
      }
    ];

    function selectPanel(idx) {
      for (let i = 0; i < 3; i++) {
        document.getElementById('panel' + (i + 1)).classList.toggle('active', i === idx);
        document.getElementById('btn' + i).classList.toggle('active', i === idx);
      }
      document.getElementById('infoTitle').textContent = steps[idx].title;
      document.getElementById('infoDesc').textContent = steps[idx].desc;
    }

    // Keyboard navigation support
    [0, 1, 2].forEach(i => {
      document.getElementById('panel' + (i + 1)).addEventListener('keydown', (e) => {
        if (e.key === 'Enter' || e.key === ' ') {
          e.preventDefault();
          selectPanel(i);
        }
      });
    });
  </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 {
      background: #f8f9fa;
      font-family: system-ui, -apple-system, sans-serif;
      color: #1e2945;
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100%;
    }

    .header-ctrl {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      max-width: 620px;
      margin-bottom: 12px;
    }

    .title {
      font-size: 15px;
      font-weight: 700;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      color: #1e2945;
    }

    .play-btn {
      background: #1e2945;
      color: #ffffff;
      border: none;
      border-radius: 6px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: opacity 0.2s;
    }
    .play-btn:active { opacity: 0.8; }

    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      width: 100%;
      max-width: 620px;
    }

    @media (max-width: 480px) {
      .comparison-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }
    }

    .pacing-col {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .col-header {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
    }

    .pacing-label {
      font-size: 14px;
      font-weight: 700;
      color: #1e2945;
    }

    .meter-badge {
      font-size: 12px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1.5px solid #1e2945;
      background: #ffffff;
    }

    .meter-fast {
      background: #ffecb3;
      color: #b45309;
      border-color: #d97706;
    }

    .meter-slow {
      background: #e0f2fe;
      color: #0369a1;
      border-color: #0284c7;
    }

    /* Comic Book Panel styling */
    .comic-frame {
      background: #ffffff;
      border: 3px solid #1e2945;
      border-radius: 4px;
      box-shadow: 3px 3px 0 #1e2945;
      height: 230px;
      position: relative;
      overflow: hidden;
      display: flex;
    }

    /* Fast Panels: 4 narrow vertical strips */
    .fast-container {
      display: flex;
      width: 100%;
      height: 100%;
      background: #1e2945;
      gap: 4px;
      padding: 2px;
    }

    .sub-panel {
      flex: 1;
      background: #fff;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1.5px solid #1e2945;
      transition: filter 0.3s;
    }

    .sub-panel.active-beat {
      box-shadow: inset 0 0 0 3px #f59e0b;
      background: #fffbeb;
    }

    /* SVG Art within panels */
    svg {
      width: 100%;
      height: 100%;
      display: block;
    }

    /* Reading Eye Indicator Scan Line */
    .scan-tracker {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 4px;
      background: #ef4444;
      box-shadow: 0 0 8px rgba(239, 68, 68, 0.8);
      z-index: 20;
      opacity: 0;
      pointer-events: none;
    }
  </style>
</head>
<body>

  <div class="header-ctrl">
    <div class="title">Comic Pacing</div>
    <button class="play-btn" id="playBtn">▶ Track Eye Speed</button>
  </div>

  <div class="comparison-grid">
    
    <div class="pacing-col">
      <div class="col-header">
        <span class="pacing-label">Fast Pacing</span>
        <span class="meter-badge meter-fast">⚡ Fast</span>
      </div>
      <div class="comic-frame" id="fastFrame">
        <div class="scan-tracker" id="fastScanner"></div>
        <div class="fast-container">
          
          <div class="sub-panel" id="panel1">
            <svg viewBox="0 0 60 200" preserveAspectRatio="none">
              
              <line x1="10" y1="30" x2="50" y2="40" stroke="#cbd5e1" stroke-width="2" />
              <line x1="5" y1="70" x2="55" y2="80" stroke="#cbd5e1" stroke-width="2" />
              
              <rect x="0" y="150" width="60" height="50" fill="#dc2626" />
              <line x1="0" y1="165" x2="60" y2="165" stroke="#ffffff" stroke-width="3" stroke-dasharray="8 4" />
              
              <polygon points="15,140 45,120 50,146 20,152" fill="#1e2945" />
              <circle cx="20" cy="148" r="4" fill="#fbbf24" />
              
              <path d="M12 152 L5 160 M22 154 L26 164" stroke="#d97706" stroke-width="2.5" stroke-linecap="round" />
            </svg>
          </div>

          
          <div class="sub-panel" id="panel2">
            <svg viewBox="0 0 60 200" preserveAspectRatio="none">
              <line x1="8" y1="50" x2="52" y2="60" stroke="#cbd5e1" stroke-width="2" />
              
              <line x1="15" y1="120" x2="45" y2="70" stroke="#1e2945" stroke-width="9" stroke-linecap="round" />
              
              <circle cx="48" cy="62" r="10" fill="#1e2945" />
              
              <polyline points="32,90 12,85 10,105" fill="none" stroke="#2563eb" stroke-width="5" stroke-linecap="round" />
              
              <path d="M5 80 Q 25 100 20 130" stroke="#94a3b8" stroke-width="2" fill="none" stroke-dasharray="3 3" />
            </svg>
          </div>

          
          <div class="sub-panel" id="panel3">
            <svg viewBox="0 0 60 200" preserveAspectRatio="none">
              <rect width="60" height="200" fill="#f1f5f9" />
              
              <path d="M5 70 Q 25 80 30 110 L5 125 Z" fill="#fed7aa" stroke="#1e2945" stroke-width="3" />
              
              <path d="M40 85 C 40 80, 52 80, 52 85 C 52 92, 40 98, 40 85 Z" fill="#38bdf8" stroke="#0284c7" stroke-width="1.5" />
              <path d="M48 115 C 48 110, 58 110, 58 115 C 58 120, 48 125, 48 115 Z" fill="#38bdf8" stroke="#0284c7" stroke-width="1.5" />
              
              <line x1="32" y1="85" x2="38" y2="85" stroke="#0284c7" stroke-width="1.5" stroke-linecap="round" />
              <line x1="40" y1="115" x2="46" y2="115" stroke="#0284c7" stroke-width="1.5" stroke-linecap="round" />
            </svg>
          </div>

          
          <div class="sub-panel" id="panel4">
            <svg viewBox="0 0 60 200" preserveAspectRatio="none">
              <rect x="0" y="150" width="60" height="50" fill="#dc2626" />
              
              <path d="M0 70 Q 25 85 30 95" stroke="#ef4444" stroke-width="6" fill="none" stroke-linecap="round" />
              <path d="M38 105 Q 45 115 60 110" stroke="#ef4444" stroke-width="6" fill="none" stroke-linecap="round" />
              
              <polygon points="32,95 36,92 34,98" fill="#f59e0b" />
              <polygon points="35,104 40,102 37,108" fill="#f59e0b" />
              
              <polygon points="10,135 48,125 55,148 18,152" fill="#1e2945" />
            </svg>
          </div>
        </div>
      </div>
    </div>

    
    <div class="pacing-col">
      <div class="col-header">
        <span class="pacing-label">Slow Pacing</span>
        <span class="meter-badge meter-slow">⏳ Dramatic Pause</span>
      </div>
      <div class="comic-frame" id="slowFrame">
        <div class="scan-tracker" id="slowScanner"></div>
        <svg viewBox="0 0 280 200" preserveAspectRatio="none">
          <defs>
            
            <linearGradient id="skyGrad" x1="0" y1="0" x2="0" y2="1">
              <stop offset="0%" stop-color="#0f172a" />
              <stop offset="60%" stop-color="#1e1b4b" />
              <stop offset="85%" stop-color="#431407" />
              <stop offset="100%" stop-color="#7c2d12" />
            </linearGradient>
            
            <linearGradient id="fireTrail" x1="0" y1="0" x2="1" y2="1">
              <stop offset="0%" stop-color="#ffffff" stop-opacity="0.1" />
              <stop offset="40%" stop-color="#f97316" stop-opacity="0.8" />
              <stop offset="100%" stop-color="#fef08a" />
            </linearGradient>
          </defs>

          
          <rect width="280" height="200" fill="url(#skyGrad)" />

          
          <circle cx="30" cy="30" r="1.2" fill="#ffffff" opacity="0.6" />
          <circle cx="75" cy="18" r="1" fill="#ffffff" opacity="0.8" />
          <circle cx="120" cy="40" r="1.2" fill="#ffffff" opacity="0.5" />
          <circle cx="250" cy="25" r="1.5" fill="#ffffff" opacity="0.7" />
          <circle cx="210" cy="55" r="1" fill="#ffffff" opacity="0.6" />

          
          <polygon points="10,10 170,95 195,115 150,110" fill="url(#fireTrail)" opacity="0.9" />
          
          <polygon points="70,45 180,102 195,115 165,112" fill="#ffffff" opacity="0.7" />
          
          <ellipse cx="195" cy="115" rx="22" ry="14" fill="none" stroke="#fdba74" stroke-width="2" opacity="0.8" transform="rotate(-25 195 115)" />
          <ellipse cx="195" cy="115" rx="35" ry="22" fill="none" stroke="#ea580c" stroke-width="1.5" opacity="0.4" transform="rotate(-25 195 115)" />
          
          <circle cx="195" cy="115" r="9" fill="#451a03" stroke="#f97316" stroke-width="2" />

          
          <path d="M0 200 L0 185 L18 185 L18 178 L26 178 L26 185 L45 185 L45 170 L55 170 L55 185 L70 185 L70 175 L80 175 L80 165 L88 165 L88 185 L115 185 L115 172 L125 172 L125 185 L145 185 L145 160 L152 160 L152 185 L180 185 L180 175 L195 175 L195 185 L220 185 L220 168 L232 168 L232 185 L255 185 L255 176 L265 176 L265 185 L280 185 L280 200 Z" fill="#090d16" />

          
          <rect x="73" y="178" width="2" height="2" fill="#fef08a" opacity="0.8" />
          <rect x="148" y="166" width="2" height="2" fill="#fef08a" opacity="0.7" />
          <rect x="224" y="174" width="2" height="2" fill="#fef08a" opacity="0.6" />
        </svg>
      </div>
    </div>
  </div>

  <script>
    const playBtn = document.getElementById('playBtn');
    const fastScanner = document.getElementById('fastScanner');
    const slowScanner = document.getElementById('slowScanner');
    const panels = [
      document.getElementById('panel1'),
      document.getElementById('panel2'),
      document.getElementById('panel3'),
      document.getElementById('panel4')
    ];

    let isPlaying = false;
    let animTimeout;

    function resetVisuals() {
      clearTimeout(animTimeout);
      fastScanner.style.transition = 'none';
      fastScanner.style.opacity = '0';
      fastScanner.style.left = '0%';
      
      slowScanner.style.transition = 'none';
      slowScanner.style.opacity = '0';
      slowScanner.style.left = '0%';

      panels.forEach(p => p.classList.remove('active-beat'));
      playBtn.textContent = '▶ Track Eye Speed';
      isPlaying = false;
    }

    function runSimulation() {
      if (isPlaying) {
        resetVisuals();
        return;
      }
      isPlaying = true;
      playBtn.textContent = '⏸ Reset';

      // 1. FAST PACING DEMO: Quick stepped jumps across panels (Total ~1.2s)
      fastScanner.style.opacity = '1';
      slowScanner.style.opacity = '1';

      // Step 1
      panels[0].classList.add('active-beat');
      fastScanner.style.left = '12%';

      animTimeout = setTimeout(() => {
        panels[0].classList.remove('active-beat');
        panels[1].classList.add('active-beat');
        fastScanner.style.left = '37%';
      }, 300);

      setTimeout(() => {
        panels[1].classList.remove('active-beat');
        panels[2].classList.add('active-beat');
        fastScanner.style.left = '62%';
      }, 600);

      setTimeout(() => {
        panels[2].classList.remove('active-beat');
        panels[3].classList.add('active-beat');
        fastScanner.style.left = '87%';
      }, 900);

      setTimeout(() => {
        panels[3].classList.remove('active-beat');
        fastScanner.style.opacity = '0';
      }, 1300);

      // 2. SLOW PACING DEMO: Slow continuous cinematic sweep across wide panel (3.2s)
      slowScanner.style.transition = 'left 3.2s linear';
      setTimeout(() => {
        slowScanner.style.left = '98%';
      }, 50);

      setTimeout(() => {
        slowScanner.style.opacity = '0';
        isPlaying = false;
        playBtn.textContent = '↺ Replay';
      }, 3400);
    }

    playBtn.addEventListener('click', runSimulation);
  </script>
</body>
</html>

OGE.6.RL.8

Aligned learning resources

Related diagrams