/* Page background with animated gradient */
  body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    background: linear-gradient(-45deg, #ffecd2, #fcb69f, #a18cd1, #fbc2eb);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;

    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .top-ui {
    margin-top: 20px;
    text-align: center;
  }

  .game-title {
    margin: 0 0 8px;
    font-size: 2.5rem;
    color: #000;
    text-shadow: 2px 2px 6px rgba(0,0,0,0.25);
  }

  .mode-select {
    display: inline-flex;
    gap: 10px;
  }

  .mode-button {
    padding: 6px 14px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    cursor: pointer;
    background: rgba(0,0,0,0.25);
    color: #fff;
  }

  .mode-button.active {
    background: #ffcc00;
    color: #000;
  }



  #game-wrapper {
    margin: 20px 0;
  }
  
  canvas {
    background-color: #ffffff;
    border: 4px solid #222;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  }

  /* Optional: animated background shift */
  @keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  #character-select {
    margin-top: 20px;
    text-align: center;
    color: #fff;
  }
  
  #character-select h3 {
    margin-bottom: 12px;
  }
  .character-grid {
    display: flex;
    flex-wrap: wrap;              /* ✅ allow wrapping */
    gap: 20px;                    /* ✅ spacing between characters */
    justify-content: center;     /* ✅ center items horizontally */
    margin-top: 20px;
  }
  
  .character-option {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, border 0.2s;
    background-color: rgba(255, 255, 255, 0.3);
  }
  
  .character-option:hover {
    transform: scale(1.1);
    border-color: #fff;
  }
  
  .character-option.selected {
    border-color: #ff0;
    box-shadow: 0 0 8px rgba(255, 255, 0, 0.8);
  }

  .character-wrapper {
    width: 100px; /* tweak this as needed */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  @media (max-width: 500px) {
    .character-wrapper {
      width: 80px;                /* shrink size on small screens */
    }
  
    .character-label {
      font-size: 0.75rem;
    }
  }