@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700&family=Space+Grotesk:wght@400;500&display=swap');
    :root {
      --bg: #040712;
      --panel: rgba(17, 26, 52, 0.65);
      --panel-strong: rgba(25, 35, 70, 0.85);
      --accent: #52e3ff;
      --accent-2: #ff5cc7;
      --accent-3: #ffbf3c;
      --grid-off: rgba(255, 255, 255, 0.08);
      --grid-on: #6dffb8;
      --text: #e6f1ff;
      --muted: #8ea0c2;
      --shadow: 0 15px 60px rgba(0, 0, 0, 0.35);
      --radius: 14px;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
      background: radial-gradient(circle at 20% 20%, rgba(124, 255, 201, 0.12), transparent 30%),
                  radial-gradient(circle at 80% 10%, rgba(82, 227, 255, 0.18), transparent 28%),
                  radial-gradient(circle at 50% 80%, rgba(255, 92, 199, 0.15), transparent 25%),
                  var(--bg);
      overflow-x: hidden;
      position: relative;
    }
    .scanline {
      position: fixed;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(0deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0) 100%);
      mix-blend-mode: screen;
      opacity: 0.08;
      animation: scan 6s linear infinite;
      z-index: 1;
    }
    @keyframes scan { from { transform: translateY(-100%); } to { transform: translateY(100%); } }
    .wrap {
      max-width: 1200px;
      margin: 0 auto;
      padding: 32px 20px 80px;
      position: relative;
      z-index: 2;
    }
    header {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 16px;
      margin-bottom: 20px;
    }
    h1 {
      margin: 0;
      font-family: "Orbitron", "Space Grotesk", sans-serif;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-size: clamp(24px, 3vw, 32px);
      color: var(--accent);
    }
    .tagline { margin: 0; color: var(--muted); }
    .panel {
      background: var(--panel);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      backdrop-filter: blur(12px);
      padding: 16px;
      margin-bottom: 16px;
    }
    .controls {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 12px;
      align-items: center;
    }
    .control {
      background: var(--panel-strong);
      border-radius: var(--radius);
      padding: 12px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
    }
    .control label {
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--muted);
      font-size: 13px;
      letter-spacing: 0.02em;
      margin-bottom: 6px;
    }
    input[type=range] {
      width: 100%;
      accent-color: var(--accent);
      cursor: pointer;
    }
    .value {
      color: var(--text);
      font-weight: 600;
      font-family: "Orbitron", sans-serif;
    }
    button {
      background: linear-gradient(135deg, var(--accent), #2e9aff);
      border: none;
      color: #071022;
      padding: 12px 16px;
      border-radius: 12px;
      font-weight: 700;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      cursor: pointer;
      transition: transform 0.08s ease, box-shadow 0.2s ease, opacity 0.2s;
      box-shadow: 0 8px 30px rgba(82, 227, 255, 0.3);
      font-family: "Orbitron", sans-serif;
    }
    button:active { transform: translateY(2px) scale(0.99); }
    .ghost {
      background: transparent;
      color: var(--text);
      border: 1px solid rgba(255, 255, 255, 0.2);
      box-shadow: none;
    }
    .grid {
      overflow-x: auto;
      padding-bottom: 8px;
    }
    .grid-row {
      display: flex;
      gap: 10px;
      align-items: center;
      margin-bottom: 8px;
    }
    .grid-track {
      display: grid;
      grid-template-columns: 90px repeat(16, 1fr);
      gap: 6px;
      align-items: center;
      flex: 1;
    }
    .label {
      font-weight: 600;
      letter-spacing: 0.04em;
      color: var(--muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }
    .step {
      height: 44px;
      border-radius: 10px;
      background: var(--grid-off);
      border: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
      overflow: hidden;
      cursor: pointer;
      transition: background 0.15s ease, transform 0.08s ease, border 0.15s ease, box-shadow 0.2s ease;
    }
    .step[data-on="true"] {
      background: linear-gradient(135deg, rgba(109, 255, 184, 0.9), rgba(82, 227, 255, 0.95));
      border-color: rgba(109, 255, 184, 0.9);
      box-shadow: 0 0 0 1px rgba(109, 255, 184, 0.35), 0 8px 25px rgba(82, 227, 255, 0.35);
    }
    .remove-track {
      height: 26px;
      min-width: 26px;
      border-radius: 8px;
      border: 1px solid rgba(255, 92, 92, 0.6);
      background: rgba(255, 92, 92, 0.12);
      color: #ff8f8f;
      font-weight: 800;
      line-height: 1;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.12s ease;
    }
    .remove-track:hover {
      background: rgba(255, 92, 92, 0.22);
      color: #ffc7c7;
      box-shadow: 0 0 0 1px rgba(255, 92, 92, 0.3);
    }
    .step[data-active="true"]::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.4), transparent 55%);
      opacity: 0.8;
    }
    .step:hover { transform: translateY(-1px); }
    .marker {
      grid-column: 2 / -1;
      display: grid;
      grid-template-columns: repeat(16, 1fr);
      gap: 6px;
      margin: 0 0 12px 90px;
      color: var(--muted);
      font-size: 11px;
      letter-spacing: 0.04em;
    }
    .marker span {
      text-align: center;
      padding: 6px 0;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.04);
    }
    .pattern-bar {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 12px;
    }
    .pattern-bar input[type=text], select {
      width: 100%;
      padding: 10px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,0.1);
      background: rgba(9, 13, 30, 0.8);
      color: var(--text);
      font-family: inherit;
    }
    .small {
      font-size: 12px;
      color: var(--muted);
      margin-top: 6px;
      line-height: 1.4;
    }
    .stack {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .pill {
      display: flex;
      gap: 10px;
      align-items: center;
      justify-content: flex-start;
    }
    .footer {
      color: var(--muted);
      text-align: center;
      margin-top: 24px;
      font-size: 13px;
    }
    @media (max-width: 900px) {
      .grid-track { grid-template-columns: 70px repeat(16, 48px); }
      .marker { margin-left: 70px; }
      .step { height: 40px; }
    }