style.css

body {
    font-family: serif;
    text-align: center;
    margin: 0;
    padding: 20px;
    transition: background-color 0.3s ease;
}

/* Default light theme */
body, h1, #statusText {
    color: #002244; /* Darker blue */
}

table, td, button {
    border-color: #000;
}

/* If user prefers dark theme */
@media (prefers-color-scheme: dark) {
    body, h1, #statusText {
        color: #ccc; /* Lighter gray for dark mode */
    }

    table, td, button {
        border-color: #aaa; /* Lighter border for dark mode */
    }

    button:hover {
        color: #000;
    }
}

h1 {
    margin-top: 30px;
    font-size: 32px;
}

#gameBoard {
    margin: 50px auto;
    border-collapse: collapse;
    width: 310px;
}

table, td {
    border-collapse: collapse;
}

td {
    width: 100px;
    height: 100px;
    font-size: 24px;
    font-weight: bold;
    border: 3px solid #000;
    cursor: pointer;
    transition: background-color 0.3s ease;
    color: black;
    background-color: #E0E0E0; /* A bit darker default background */
}

td:hover {
    background-color: #F3F3F3; /* Original lighter color on hover */
}

.red {
    background-color: #FF6666; /* More saturated red */
    color: black;
}

.blue {
    background-color: #6666FF; /* More saturated blue */
    color: black;
}

.red:hover {
    background-color: #FFCCCC; /* Lighter red on hover */
}

.blue:hover {
    background-color: #CCCCFF; /* Lighter blue on hover */
}

button {
    padding: 10px 20px;
    margin: 10px;
    border: 3px solid #000;
    background-color: #E0E0E0; /* A bit darker default background for consistency */
    color: #000;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-weight: bold;
    font-size: 16px;
}

button:hover {
    background-color: #F3F3F3; /* Original lighter color on hover */
    color: #000;
}

#statusText {
    font-size: 18px;
    margin-top: 20px;
    padding-top: 20px;
}