style.css

* {
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #6f00ff, #ff00b6);
    overflow: hidden; /* Prevent scrolling when popup is open */
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    margin-bottom: 20px;
    color: #fff;
    font-size: 48px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 10px;
    margin-bottom: 20px;
}

.cell {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    background-color: #fff;
    border: 1px solid #000;
    font-size: 40px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-radius: 10px; /* Rounded corners for the cells */
}

.cell:hover {
    background-color: #f0f0f0;
}

.cell.x {
    color: #ff0000;
    font-weight: bold; /* Bold font for X */
    font-size: 50px; /* Larger font size for X */
}

.cell.o {
    color: #0000ff;
    font-weight: bold; /* Bold font for O */
    font-size: 50px; /* Larger font size for O */
}

.message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    flex-direction: column;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    z-index: 999; /* Ensure it's above other elements */
    width: 80%; /* Adjust as needed */
    max-width: 600px; /* Maximum width */
    height: auto; /* Make it square-shaped */
}

.message.show {
    display: flex;
}

.message-text {
    color: #6f00ff;
    font-size: 24px;
    margin-bottom: 20px;
}

.restart-button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #ff00b6;
    color: #fff;
    transition: background-color 0.3s ease;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.2);
    margin-top: 20px;
}

.restart-button:hover {
    background-color: #ff0091;
}
.new-game-button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    background-color: #ff00b6;
    color: #fff;
    transition: background-color 0.3s ease;
    box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.2);
    margin-top: 20px;
}

.new-game-button:hover {
    background-color: #ff0091;
}