* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: "Segoe UI", sans-serif;
      font-weight: bold;
    }

    body {
      background: radial-gradient(circle, #c2e9fb, #a1c4fd);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      padding: 20px;
    }

    h1 {
      color: #fff;
      margin-bottom: 25px;
      text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
      font-size: 3rem;
    }

    .board {
      display: grid;
      grid-template-columns: repeat(3, 110px);
      grid-template-rows: repeat(3, 110px);
      gap: 15px;
      background-color: rgba(255, 255, 255, 0.2);
      padding: 15px;
      border-radius: 20px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }

    .cell {
      width: 110px;
      height: 110px;
      background: linear-gradient(145deg, #ffffff, #e0e0e0);
      font-size: 2.8rem;
      font-weight: bold;
      color: #333;
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: transform 0.2s, background 0.3s;
      box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.2);
    }

    .cell:hover {
      transform: scale(1.05);
      background: #f8f9fa;
    }

    .cell.winner {
      background-color: #ffeb3b;
      color: #000;
      box-shadow: inset 0 0 10px #000;
    }

    .status {
      margin-top: 25px;
      font-size: 1.4rem;
      color: #fff;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
    }

    button {
      margin-top: 20px;
      padding: 12px 25px;
      font-size: 1.1rem;
      border: none;
      border-radius: 10px;
      background: linear-gradient(to right, #ff758c, #ff7eb3);
      color: #fff;
      cursor: pointer;
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
      transition: background 0.3s ease-in-out;
    }

    button:hover {
      background: linear-gradient(to right, #ff5e7e, #ff7096);
    }