/* Основные стили страницы */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      background: radial-gradient(circle at 20% 20%, #2a335a 0%, #0f1327 45%, #060912 100%);
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      font-family: 'Segoe UI', Arial, sans-serif;
      overflow: hidden;
    }

    /* Контейнер для Canvas */
    #gameContainer {
      position: relative;
      box-shadow: 0 0 60px rgba(110, 140, 255, 0.25), 0 0 120px rgba(60, 100, 210, 0.2);
      border-radius: 4px;
    }

    canvas {
      display: block;
      cursor: pointer;
      max-width: 100vw;
      max-height: 100vh;
      width: auto;
      height: auto;
    }

    #menuPanel {
      position: absolute;
      top: 16px;
      right: 16px;
      display: flex;
      gap: 8px;
      z-index: 2;
    }

    #menuPanel button {
      border: 1px solid rgba(125, 206, 130, 0.4);
      background: rgba(18, 26, 62, 0.8);
      color: #e9efff;
      padding: 8px 14px;
      border-radius: 10px;
      font-size: 14px;
      cursor: pointer;
      backdrop-filter: blur(3px);
    }

    #menuPanel button:hover {
      background: rgba(27, 39, 82, 0.85);
      border-color: rgba(125, 206, 130, 0.65);
    }