:root {
      --bg: #15171d;
      --panel: #202430;
      --text: #f2f2f2;
      --muted: #aeb4c2;
      --accent: #ffd166;
      --danger: #ef476f;
      --good: #06d6a0;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      display: grid;
      place-items: center;
      background:
        radial-gradient(circle at top, #31384a 0%, #171923 45%, #0f1117 100%);
      color: var(--text);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    .wrap {
      width: min(100vw, 980px);
      padding: 14px;
    }

    .top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 10px;
    }

    h1 {
      margin: 0;
      font-size: clamp(22px, 3vw, 34px);
      letter-spacing: 0.5px;
    }

    .subtitle {
      margin-top: 2px;
      color: var(--muted);
      font-size: 14px;
    }

    .buttons {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    button,
.exit-btn {
      border: 0;
      border-radius: 12px;
      padding: 10px 14px;
      background: var(--accent);
      color: #1b1b1b;
      font-weight: 800;
      cursor: pointer;
      box-shadow: 0 5px 0 rgba(0,0,0,0.35);
      transform: translateY(0);
      user-select: none;
      text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

    button:active,
.exit-btn:active {
      transform: translateY(3px);
      box-shadow: 0 2px 0 rgba(0,0,0,0.35);
    }

    .hud {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 8px;
      margin-bottom: 10px;
    }

    .card {
      background: rgba(32, 36, 48, 0.95);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 14px;
      padding: 8px 10px;
      min-height: 54px;
    }

    .label {
      color: var(--muted);
      font-size: 12px;
      margin-bottom: 3px;
    }

    .value {
      font-weight: 900;
      font-size: 20px;
      line-height: 1;
    }

    .canvas-box {
      position: relative;
      border-radius: 18px;
      overflow: hidden;
      background: #111;
      border: 1px solid rgba(255,255,255,0.1);
      box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    }

    canvas {
      display: block;
      width: 100%;
      height: auto;
      image-rendering: auto;
      background: #1e824c;
    }

    .overlay {
      position: absolute;
      inset: 0;
      display: grid;
      place-items: center;
      background: rgba(8, 10, 15, 0.72);
      padding: 24px;
      text-align: center;
    }

    .overlay.hidden {
      display: none;
    }

    .panel {
      width: min(620px, 100%);
      background: rgba(32, 36, 48, 0.95);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 22px;
      padding: 24px;
      box-shadow: 0 18px 40px rgba(0,0,0,0.45);
    }

    .panel h2 {
      margin: 0 0 10px;
      font-size: 32px;
    }

    .panel p {
      margin: 8px 0;
      color: var(--muted);
      line-height: 1.45;
    }

    .panel .big {
      color: var(--text);
      font-size: 18px;
      font-weight: 700;
    }

    .legend {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
      text-align: left;
      margin: 16px 0;
      font-size: 14px;
      color: var(--muted);
    }

    .legend-item {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .legend-icon {
      width: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 22px;
      font-size: 16px;
      line-height: 1;
    }

    .toast {
      position: absolute;
      left: 50%;
      top: 14px;
      transform: translateX(-50%);
      width: min(90%, 650px);
      background: rgba(18, 21, 29, 0.9);
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: 999px;
      padding: 10px 18px;
      text-align: center;
      font-weight: 800;
      pointer-events: none;
      opacity: 0;
      transition: opacity 0.2s ease;
    }

    .toast.show {
      opacity: 1;
    }

    .mobile-pad {
      display: none;
      margin-top: 12px;
      grid-template-columns: 64px 64px 64px;
      grid-template-rows: 64px 64px;
      gap: 8px;
      justify-content: center;
    }

    .mobile-pad button {
      padding: 0;
      font-size: 22px;
      border-radius: 18px;
    }

    .mobile-pad .up { grid-column: 2; grid-row: 1; }
    .mobile-pad .left { grid-column: 1; grid-row: 2; }
    .mobile-pad .down { grid-column: 2; grid-row: 2; }
    .mobile-pad .right { grid-column: 3; grid-row: 2; }

    @media (max-width: 760px) {
      .top {
        align-items: flex-start;
        flex-direction: column;
      }

      .buttons {
        justify-content: flex-start;
      }

      .hud {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .mobile-pad {
        display: grid;
      }

      .legend {
        grid-template-columns: 1fr;
      }
    }

.exit-btn:visited {
  color: #1b1b1b;
}