body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #f0f8ff;
    margin: 0;
    padding: 1em;
  }
  h1 {
    color: #333;
  }
  .board {
    display: grid;
    grid-template-columns: repeat(7, 60px);
    grid-gap: 5px;
    margin: 1em 0;
  }
  .cell {
    width: 60px;
    height: 60px;
    background: #1e90ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    cursor: pointer;
    border-radius: 8px;
  }
  #status {
    font-size: 1.2em;
    margin: 0.5em;
  }
  button {
    margin: 0.3em;
    padding: 0.6em 1.5em;
    font-size: 1.1em;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    border: none;
    border-radius: 25px;
    box-shadow: 0 4px 12px rgba(37, 117, 252, 0.6);
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease;
  }
  button:hover {
    background: linear-gradient(135deg, #2575fc, #6a11cb);
    box-shadow: 0 6px 18px rgba(37, 117, 252, 0.9);
  }