replica · pilot · Haiku 4.5 · harness · trial 026 of 32

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Interactive Circle</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }
    body {
      width: 100vw;
      height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      overflow: hidden;
    }
    .container {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 40px;
      padding: 20px;
    }
    .circle-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 16px;
    }
    svg {
      width: min(300px, 80vw);
      height: min(300px, 80vw);
      filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
      cursor: pointer;
      transition: filter 0.3s ease;
    }
    svg:hover {
      filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.4));
    }
    circle {
      transition: fill 0.4s ease;
      transform-origin: 200px 200px;
    }
    circle.base-circle {
      transition: fill 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    circle:hover {
      filter: brightness(1.2);
      transform: scale(1.05);
    }
    @keyframes pulse {
      0%, 100% {
        opacity: 1;
      }
      50% {
        opacity: 0.6;
      }
    }
    @keyframes glow {
      0%, 100% {
        filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
      }
      50% {
        filter: drop-shadow(0 20px 60px rgba(255, 255, 255, 0.3));
      }
    }
    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }
    @keyframes colorFlash {
      0% { transform: scale(1); }
      50% { transform: scale(1.08); }
      100% { transform: scale(1); }
    }
    svg.pulsing circle {
      animation: pulse 1s infinite;
    }
    svg.glowing {
      animation: glow 2s infinite;
    }
    svg.spinning {
      animation: spin 0.6s ease-in-out;
    }
    svg.color-changing {
      animation: colorFlash 0.4s ease-out;
    }
    h1 {
      color: white;
      font-size: clamp(20px, 5vw, 28px);
      font-weight: 600;
      text-align: center;
    }
    .color-label {
      color: rgba(255, 255, 255, 0.85);
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      min-height: 20px;
    }
    .controls {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: center;
      align-items: center;
    }
    button {
      padding: 10px 18px;
      border: 2px solid white;
      border-radius: 8px;
      background: white;
      color: #667eea;
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      transition: all 0.2s ease;
      position: relative;
    }
    button:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
      background: #f0f0f0;
    }
    button:active {
      transform: translateY(0);
    }
    button:focus {
      outline: 2px solid white;
      outline-offset: 2px;
    }
    button.active {
      background: #667eea;
      color: white;
      border-color: white;
    }
    button.active::after {
      content: '';
      position: absolute;
      width: 6px;
      height: 6px;
      background: white;
      border-radius: 50%;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
    }
    .hint {
      color: rgba(255, 255, 255, 0.85);
      font-size: 13px;
      text-align: center;
      margin-top: 20px;
      max-width: 480px;
      line-height: 1.6;
    }
    .hint strong {
      font-weight: 600;
    }
    .divider {
      color: rgba(255, 255, 255, 0.6);
      margin: 0 8px;
    }
    @media (max-width: 480px) {
      .container {
        gap: 30px;
      }
      .controls {
        gap: 8px;
      }
      button {
        padding: 8px 14px;
        font-size: 13px;
      }
      .hint {
        font-size: 12px;
        line-height: 1.5;
      }
      .color-label {
        font-size: 12px;
      }
    }
  </style>
</head>
<body>
  <div class="container">
    <h1>Interactive Circle</h1>
    <div class="circle-wrapper">
      <svg id="circle-display" viewBox="0 0 400 400" role="img" aria-label="Interactive circle with customizable animations and colors">
        <defs>
          <radialGradient id="gradient" cx="35%" cy="35%">
            <stop offset="0%" style="stop-color:#ffffff;stop-opacity:0.3" />
            <stop offset="100%" style="stop-color:#1a1a2e;stop-opacity:0.1" />
          </radialGradient>
        </defs>
        <circle class="base-circle" cx="200" cy="200" r="180" fill="#ff6b6b" opacity="0.9"/>
        <circle cx="200" cy="200" r="180" fill="url(#gradient)"/>
      </svg>
      <div class="color-label" id="color-display">Coral Red</div>
    </div>
    <div class="controls">
      <button id="pulseBtn" onclick="togglePulse()" title="Space" aria-label="Toggle pulse animation (Space)">Pulse</button>
      <button id="glowBtn" onclick="toggleGlow()" title="G" aria-label="Toggle glow effect (G)">Glow</button>
      <button onclick="changeColor()" title="Arrow Right" aria-label="Cycle to next color (Right Arrow or Left Arrow)">Color</button>
      <button onclick="spin()" title="Enter" aria-label="Spin the circle (Enter)">Spin</button>
      <button onclick="reset()" title="R" aria-label="Reset all effects (R or Double-click)">Reset</button>
    </div>
    <div class="hint">
      <strong>Space</strong> <span class="divider">·</span> Pulse
      <span class="divider">·</span> <strong>G</strong> <span class="divider">·</span> Glow
      <span class="divider">·</span> <strong>←</strong><span class="divider">/</span><strong>→</strong> <span class="divider">·</span> Color
      <span class="divider">·</span> <strong>Enter</strong> <span class="divider">·</span> Spin
      <span class="divider">·</span> <strong>R</strong> <span class="divider">·</span> Reset
    </div>
  </div>

  <script>
    const COLORS = [
      { hex: '#ff6b6b', name: 'Coral Red' },
      { hex: '#4ecdc4', name: 'Turquoise' },
      { hex: '#45b7d1', name: 'Sky Blue' },
      { hex: '#f7b731', name: 'Gold' },
      { hex: '#5f27cd', name: 'Purple' },
      { hex: '#e74c3c', name: 'Crimson' },
      { hex: '#3498db', name: 'Ocean Blue' }
    ];

    const SVG_ID = 'circle-display';
    let colorIndex = 0;
    let isSpinning = false;
    let isPulsing = false;
    let isGlowing = false;

    function getSvg() {
      return document.getElementById(SVG_ID);
    }

    function getBaseCircle() {
      return document.querySelector('.base-circle');
    }

    function updateColorDisplay() {
      document.getElementById('color-display').textContent = COLORS[colorIndex].name;
    }

    function applyColor(index) {
      getBaseCircle().setAttribute('fill', COLORS[index].hex);
      updateColorDisplay();
    }

    function triggerColorAnimation() {
      const svg = getSvg();
      svg.classList.remove('color-changing');
      void svg.offsetWidth;
      svg.classList.add('color-changing');
      setTimeout(() => svg.classList.remove('color-changing'), 400);
    }

    function togglePulse() {
      isPulsing = !isPulsing;
      getSvg().classList.toggle('pulsing');
      updateButtonState('pulseBtn', isPulsing);
    }

    function toggleGlow() {
      isGlowing = !isGlowing;
      getSvg().classList.toggle('glowing');
      updateButtonState('glowBtn', isGlowing);
    }

    function changeColor(direction = 1) {
      colorIndex = (colorIndex + direction + COLORS.length) % COLORS.length;
      applyColor(colorIndex);
      triggerColorAnimation();
    }

    function spin() {
      if (isSpinning) return;
      isSpinning = true;
      const svg = getSvg();
      svg.classList.remove('spinning');
      void svg.offsetWidth;
      svg.classList.add('spinning');
      setTimeout(() => {
        isSpinning = false;
        svg.classList.remove('spinning');
      }, 600);
    }

    function reset() {
      const svg = getSvg();
      isPulsing = false;
      isGlowing = false;
      colorIndex = 0;
      isSpinning = false;

      svg.classList.remove('pulsing', 'glowing', 'spinning', 'color-changing');
      applyColor(0);
      updateButtonState('pulseBtn', false);
      updateButtonState('glowBtn', false);
    }

    function updateButtonState(buttonId, isActive) {
      const button = document.getElementById(buttonId);
      if (isActive) {
        button.classList.add('active');
      } else {
        button.classList.remove('active');
      }
    }

    document.addEventListener('keydown', (e) => {
      switch(e.key) {
        case ' ':
          e.preventDefault();
          togglePulse();
          break;
        case 'g':
        case 'G':
          toggleGlow();
          break;
        case 'ArrowRight':
          changeColor(1);
          break;
        case 'ArrowLeft':
          changeColor(-1);
          break;
        case 'Enter':
          spin();
          break;
        case 'r':
        case 'R':
          reset();
          break;
      }
    });

    getSvg().addEventListener('dblclick', reset);

    // Initialize color display
    updateColorDisplay();
  </script>
</body>
</html>