*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --green-start: #00ff88;
    --green-mid: #00c96a;
    --green-end: #007a3d;
    --head-color: #00ff88;
    --food-color: #ff4060;
    --board-bg: #ffffff;
    --board-border: #e0e0e0;
    --grid-line: rgba(0,0,0,0.04);
    --score-accent: #00c96a;
    --bg: #f5f7f2;
    --panel-bg: #ffffff;
    --text-dark: #111;
    --text-muted: #888;
    --shadow: 0 8px 40px rgba(0,180,90,0.10);
  }

  body {
    font-family: 'Space Mono', monospace;
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    overflow: hidden;
    position: relative;
  }

  /* Subtle background decoration */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
      radial-gradient(circle at 15% 25%, rgba(0,255,136,0.07) 0%, transparent 50%),
      radial-gradient(circle at 85% 75%, rgba(0,201,106,0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
  }

  .wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  /* ── HEADER ── */
  .header {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 18px;
  }

  .title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(52px, 8vw, 80px);
    letter-spacing: 10px;
    line-height: 1;
    background: linear-gradient(135deg, var(--green-start) 0%, var(--green-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .version-tag {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 4px;
  }

  /* ── SCOREBOARD ── */
  .scoreboard {
    display: flex;
    gap: 32px;
    margin-bottom: 18px;
    background: var(--panel-bg);
    border: 1px solid var(--board-border);
    border-radius: 12px;
    padding: 12px 28px;
    box-shadow: var(--shadow);
  }

  .score-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
  }

  .score-label {
    font-size: 9px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .score-value {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 32px;
    letter-spacing: 2px;
    color: var(--score-accent);
    line-height: 1;
    transition: transform 0.1s;
  }

  .score-value.pop {
    transform: scale(1.3);
    color: var(--green-start);
  }

  .score-divider {
    width: 1px;
    background: var(--board-border);
    align-self: stretch;
    margin: 0 4px;
  }

  /* ── CANVAS WRAPPER ── */
  .canvas-wrap {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow:
      0 2px 0 #e0e0e0,
      0 6px 40px rgba(0,0,0,0.08),
      inset 0 0 0 1px var(--board-border);
    background: var(--board-bg);
  }

  canvas {
    display: block;
    background: var(--board-bg);
    cursor: none;
  }

  /* ── OVERLAY ── */
  .overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(6px);
    border-radius: 16px;
    transition: opacity 0.3s;
    z-index: 10;
  }

  .overlay.hidden { opacity: 0; pointer-events: none; }

  .overlay-emoji {
    font-size: 52px;
    margin-bottom: 10px;
    animation: bounce 1s infinite alternate;
  }

  @keyframes bounce {
    from { transform: translateY(0); }
    to   { transform: translateY(-8px); }
  }

  .overlay-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 44px;
    letter-spacing: 6px;
    background: linear-gradient(135deg, var(--green-start), var(--green-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
  }

  .overlay-sub {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 28px;
    text-align: center;
    padding: 0 20px;
  }

  .btn-start {
    font-family: 'Space Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 14px 36px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--green-start), var(--green-end));
    color: #fff;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,200,100,0.35);
    transition: transform 0.15s, box-shadow 0.15s;
    position: relative;
    overflow: hidden;
  }

  .btn-start::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.15);
    opacity: 0;
    transition: opacity 0.2s;
  }

  .btn-start:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,200,100,0.45); }
  .btn-start:hover::after { opacity: 1; }
  .btn-start:active { transform: translateY(0); }

  /* ── CONTROLS BAR ── */
  .controls-bar {
    margin-top: 16px;
    display: flex;
    gap: 18px;
    align-items: center;
  }

  .ctrl-pill {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 10px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    background: #fff;
    box-shadow: 0 2px 0 #d0d0d0;
    color: var(--text-dark);
  }

  /* ── SPEED INDICATOR ── */
  .speed-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .speed-dots {
    display: flex;
    gap: 4px;
  }

  .speed-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #e0e0e0;
    transition: background 0.3s, transform 0.3s;
  }

  .speed-dot.active {
    background: var(--green-mid);
    transform: scale(1.2);
  }

  /* ── MOBILE D-PAD ── */
  .dpad {
    display: none;
    margin-top: 18px;
    gap: 0;
    grid-template-columns: repeat(3, 44px);
    grid-template-rows: repeat(3, 44px);
  }

  @media (max-width: 600px) {
    .dpad { display: grid; }
  }

  .dpad-btn {
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--board-border);
    background: #fff;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    user-select: none;
    transition: background 0.1s, transform 0.1s;
    box-shadow: 0 2px 0 #d0d0d0;
  }

  .dpad-btn:active { background: #e8fff3; transform: scale(0.93); }

  /* ── FOOD PULSE RING (canvas overlay via CSS) ── */
  .food-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--food-color);
    opacity: 0;
    pointer-events: none;
    animation: foodPulse 1.2s ease-out infinite;
  }

  @keyframes foodPulse {
    0%   { opacity: 0.7; transform: scale(0.8); }
    100% { opacity: 0; transform: scale(2.2); }
  }