<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>SEG WebGPU Dashboard</title>
  <style>
    *, *::before, *::after { box-sizing: border-box; }

    body {
      margin: 0;
      overflow: hidden;
      background: #050a0f;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: #0ff;
      display: flex;
      flex-direction: column;
      height: 100vh;
    }

    /* ── Top header bar ────────────────────────────────── */
    #header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 6px 16px;
      background: rgba(0,10,20,0.95);
      border-bottom: 1px solid #0ff3;
      flex-shrink: 0;
      height: 44px;
    }
    #header h1 {
      margin: 0;
      font-size: 1rem;
      color: #0ff;
      text-shadow: 0 0 8px #0ff8;
      letter-spacing: 2px;
      text-transform: uppercase;
    }
    .header-right {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.75rem;
      color: #0aa;
    }
    .status-badge {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 3px 10px;
      border: 1px solid #0ff4;
      border-radius: 12px;
      font-size: 0.75rem;
    }
    .status-indicator {
      width: 8px; height: 8px;
      border-radius: 50%;
    }
    .status-standby  { background: #00d4ff; box-shadow: 0 0 6px #00d4ff; }
    .status-active   { background: #00ff88; box-shadow: 0 0 6px #00ff88; animation: blink 1.5s infinite; }
    .status-inactive { background: #ff6600; box-shadow: 0 0 6px #ff6600; }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.4} }

    /* ── Main layout: left panel | canvas | right panel ── */
    #main {
      display: flex;
      flex: 1;
      overflow: hidden;
    }

    /* ── Left sidebar ─────────────────────────────────── */
    #left-panel {
      width: 220px;
      flex-shrink: 0;
      background: rgba(0,8,16,0.97);
      border-right: 1px solid #0ff2;
      padding: 12px;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .panel-section {
      border: 1px solid #0ff2;
      border-radius: 6px;
      padding: 10px;
      background: rgba(0,20,30,0.6);
    }
    .panel-section h3 {
      margin: 0 0 8px 0;
      font-size: 0.65rem;
      color: #0aa;
      text-transform: uppercase;
      letter-spacing: 2px;
      border-bottom: 1px solid #0ff1;
      padding-bottom: 5px;
    }

    /* Mode buttons */
    .mode-btn {
      display: block;
      width: 100%;
      margin: 5px 0;
      padding: 8px 10px;
      background: #07101a;
      border: 1px solid #0ff4;
      color: #0cc;
      cursor: pointer;
      transition: all 0.25s;
      border-radius: 4px;
      font-size: 0.78rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      text-align: left;
    }
    .mode-btn:hover  { background: #0ff2; color: #0ff; border-color: #0ff; box-shadow: 0 0 8px #0ff4; }
    .mode-btn.active { background: #00d4ff22; color: #0ff; border-color: #0ff; box-shadow: 0 0 10px #0ff5; }

    /* Control buttons */
    .ctrl-row {
      display: flex;
      gap: 6px;
    }
    .ctrl-btn {
      flex: 1;
      padding: 9px 6px;
      border-radius: 5px;
      font-size: 0.8rem;
      font-weight: 700;
      cursor: pointer;
      border: none;
      transition: all 0.2s;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    #startBtn {
      background: linear-gradient(135deg,#004d2a,#006b3a);
      color: #00ff88;
      border: 1px solid #00ff88;
      box-shadow: 0 0 8px #00ff8844;
    }
    #startBtn:hover { background: linear-gradient(135deg,#006b3a,#009955); box-shadow: 0 0 14px #00ff8877; }
    #stopBtn {
      background: linear-gradient(135deg,#4d1a00,#6b2500);
      color: #ff6600;
      border: 1px solid #ff6600;
      box-shadow: 0 0 8px #ff660044;
    }
    #stopBtn:hover { background: linear-gradient(135deg,#7a2e00,#993800); box-shadow: 0 0 14px #ff660077; }

    /* Sliders */
    .slider-row {
      margin: 6px 0;
    }
    .slider-row label {
      display: flex;
      justify-content: space-between;
      font-size: 0.72rem;
      color: #0aa;
      margin-bottom: 4px;
    }
    .slider-row label span { color: #0ff; font-weight: bold; }
    input[type="range"] {
      width: 100%;
      accent-color: #0ff;
      cursor: pointer;
      height: 4px;
    }

    /* Particle slider row */
    #particleSlider { accent-color: #f0f; }

    /* ── Canvas area ───────────────────────────────────── */
    #canvas-wrapper {
      flex: 1;
      position: relative;
      overflow: hidden;
    }
    canvas {
      display: block;
      width: 100%;
      height: 100%;
    }

    /* Corner overlays */
    .corner-label {
      position: absolute;
      font-size: 0.65rem;
      color: #0ff6;
      font-family: monospace;
      pointer-events: none;
    }
    #corner-tl { top: 8px; left: 8px; }
    #corner-tr { top: 8px; right: 8px; text-align: right; }
    #corner-bl { bottom: 8px; left: 8px; }

    /* ── Right telemetry panel ─────────────────────────── */
    #right-panel {
      width: 200px;
      flex-shrink: 0;
      background: rgba(0,8,16,0.97);
      border-left: 1px solid #0ff2;
      padding: 12px;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .reading-card {
      background: rgba(0,20,30,0.7);
      border: 1px solid #0ff2;
      border-radius: 6px;
      padding: 8px 10px;
    }
    .reading-label {
      font-size: 0.6rem;
      color: #0777;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 3px;
    }
    .reading-value {
      font-size: 1.05rem;
      font-family: 'Courier New', monospace;
      color: #0ff;
      font-weight: bold;
      text-shadow: 0 0 6px #0ff6;
    }
    .reading-value.warning  { color: #ffaa00; text-shadow: 0 0 6px #ffaa0066; }
    .reading-value.critical { color: #ff3300; text-shadow: 0 0 8px #ff330088; }

    /* RPM gauge ring */
    .rpm-ring {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 8px;
      background: radial-gradient(circle,rgba(0,255,255,0.05),transparent 70%);
    }
    .rpm-value {
      font-size: 1.4rem;
      font-family: 'Courier New', monospace;
      color: #0ff;
      font-weight: bold;
      text-shadow: 0 0 12px #0ffa;
    }
    .rpm-unit {
      font-size: 0.65rem;
      color: #0aa;
      text-transform: uppercase;
    }

    /* Mini bar chart for efficiency */
    .mini-bar {
      height: 4px;
      background: #0ff1;
      border-radius: 2px;
      margin-top: 4px;
      overflow: hidden;
    }
    .mini-bar-fill {
      height: 100%;
      background: linear-gradient(90deg, #0ff, #0f8);
      border-radius: 2px;
      transition: width 0.5s;
    }

    /* ── Bottom status bar ─────────────────────────────── */
    #footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 4px 16px;
      background: rgba(0,10,20,0.95);
      border-top: 1px solid #0ff2;
      flex-shrink: 0;
      height: 30px;
      font-size: 0.68rem;
      color: #0aa;
      font-family: monospace;
    }
    #footer span { color: #0ff; }

    /* Scrollbar styling */
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: #050a0f; }
    ::-webkit-scrollbar-thumb { background: #0ff3; border-radius: 2px; }
  </style>
  <script type="module" crossorigin src="./assets/index-T1k_YAOK.js"></script>
</head>
<body>

  <!-- ── Header ─────────────────────────────────────────── -->
  <div id="header">
    <h1>⚡ SEG WebGPU Dashboard</h1>
    <div class="header-right">
      <div class="status-badge">
        <div class="status-indicator status-standby" id="statusDot"></div>
        <span id="status">STANDBY</span>
      </div>
      <span>FPS: <span id="fps">--</span></span>
    </div>
  </div>

  <!-- ── Main ───────────────────────────────────────────── -->
  <div id="main">

    <!-- Left sidebar -->
    <div id="left-panel">

      <!-- Power controls -->
      <div class="panel-section">
        <h3>Power Control</h3>
        <div class="ctrl-row">
          <button class="ctrl-btn" id="startBtn">▶ Start</button>
          <button class="ctrl-btn" id="stopBtn">■ Stop</button>
        </div>
      </div>

      <!-- Drive parameters -->
      <div class="panel-section">
        <h3>Drive Parameters</h3>
        <div class="slider-row">
          <label>Speed <span id="speedVal">0</span>%</label>
          <input type="range" id="speedControl" min="0" max="100" step="1" value="50">
        </div>
        <div class="slider-row">
          <label>Mag. Field <span id="fieldVal">50</span>%</label>
          <input type="range" id="fieldControl" min="0" max="100" step="1" value="50">
        </div>
        <div class="slider-row">
          <label>Load <span id="loadVal">100</span>Ω</label>
          <input type="range" id="loadControl" min="10" max="1000" step="10" value="100">
        </div>
      </div>

      <!-- Simulation mode -->
      <div class="panel-section">
        <h3>Simulation Mode</h3>
        <button class="mode-btn active" id="btn-seg"    onclick="setMode('seg')">🔮 SEG Generator</button>
        <button class="mode-btn"        id="btn-heron"  onclick="setMode('heron')">💧 Heron's Fountain</button>
        <button class="mode-btn"        id="btn-kelvin" onclick="setMode('kelvin')">⚡ Kelvin Thunderstorm</button>
        <button class="mode-btn"        id="btn-solar"  onclick="setMode('solar')">☀️ LEDs + Solar</button>
      </div>

      <!-- Particle count -->
      <div class="panel-section">
        <h3>Rendering</h3>
        <div class="slider-row">
          <label>Particles <span id="particleVal">10000</span></label>
          <input type="range" id="particleSlider" min="1000" max="50000" step="1000" value="10000">
        </div>
      </div>

      <!-- Info -->
      <div class="panel-section">
        <h3>Info</h3>
        <div id="info" style="font-size:0.72rem;color:#0aa;line-height:1.5;">
          12 magnetic rollers in toroidal formation with spiral energy flux converging toward centre.
        </div>
      </div>

    </div>

    <!-- 3D Canvas -->
    <div id="canvas-wrapper">
      <canvas id="gpuCanvas"></canvas>
      <div class="corner-label" id="corner-tl">SEG WebGPU v2.0</div>
      <div class="corner-label" id="corner-tr">Drag to orbit · Scroll to zoom</div>
      <div class="corner-label" id="corner-bl">Mode: <span id="modeLabel">SEG</span></div>
    </div>

    <!-- Right telemetry panel -->
    <div id="right-panel">

      <!-- RPM -->
      <div class="reading-card">
        <div class="reading-label">Inner Ring RPM</div>
        <div class="rpm-ring">
          <div>
            <div class="rpm-value" id="rpm-inner">0</div>
            <div class="rpm-unit">RPM</div>
          </div>
        </div>
      </div>

      <!-- Voltage -->
      <div class="reading-card">
        <div class="reading-label">Output Voltage</div>
        <div class="reading-value" id="voltage">0.000 V</div>
      </div>

      <!-- Current -->
      <div class="reading-card">
        <div class="reading-label">Output Current</div>
        <div class="reading-value" id="current">0.000 A</div>
      </div>

      <!-- Power -->
      <div class="reading-card">
        <div class="reading-label">Output Power</div>
        <div class="reading-value" id="power">0.000 W</div>
      </div>

      <!-- Magnetic field -->
      <div class="reading-card">
        <div class="reading-label">Magnetic Field</div>
        <div class="reading-value" id="magnetic-field">0.000 T</div>
      </div>

      <!-- Temperature -->
      <div class="reading-card">
        <div class="reading-label">Temperature</div>
        <div class="reading-value" id="temperature">25.0 °C</div>
      </div>

      <!-- Efficiency -->
      <div class="reading-card">
        <div class="reading-label">Efficiency</div>
        <div class="reading-value" id="efficiency">0.0%</div>
        <div class="mini-bar"><div class="mini-bar-fill" id="efficiency-bar" style="width:0%"></div></div>
      </div>

      <!-- Energy -->
      <div class="reading-card">
        <div class="reading-label">Total Energy</div>
        <div class="reading-value" id="energy">0.0000 kWh</div>
      </div>

    </div>
  </div>

  <!-- ── Footer ─────────────────────────────────────────── -->
  <div id="footer">
    <span id="stats">Mode: <span id="modeFooter">SEG</span></span>
    <span>WebGPU Compute Shader Physics</span>
    <span>Battery: <span id="batteryFooter">--</span></span>
  </div>

</body>
</html>