/* Background with a linear gradient */
body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

/* Main Game Container */
.game-container {
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
}

/* Game Board */
#board {
    display: grid;
    grid-template-columns: repeat(3, 80px);
    grid-template-rows: repeat(3, 80px);
    gap: 5px;
    margin: 20px auto;
    max-width: 260px;
}

/* Tic-Tac-Toe Cells */
.cell {
    width: 80px;
    height: 80px;
    background: #fff;
    border: 2px solid #000;
    font-size: 2em;
    font-weight: bold;
    text-align: center;
    line-height: 80px;
    cursor: pointer;
}

/* Button Styling */
button {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    background: #ff4757;
    color: white;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background: #ff6b81;
}

/* Result Screen */
#result-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding-top: 20%;
}

#result-message {
    font-size: 2em;
    margin-bottom: 20px;
}

#play-again {
    background: #2ed573;
}